flash_v2: packages/io/pci/current/src/pci.c annotate

annotate packages/io/pci/current/src/pci.c @ 1777:c16341b1bac6 default tip

* Added execute permissions to files missed in conversion from CVS

author	alexs
date	Mon, 12 Oct 2009 02:26:09 +0100
parents	5dd2b854cc32
children

rev	line source
52 7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	1 //=============================================================================
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	2 //
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	3 // pci.c
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	4 //
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	5 // PCI library
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	6 //
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	7 //=============================================================================
208 e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 184 diff changeset	8 //####ECOSGPLCOPYRIGHTBEGIN####
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 184 diff changeset	9 // -------------------------------------------
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 184 diff changeset	10 // This file is part of eCos, the Embedded Configurable Operating System.
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 184 diff changeset	11 // Copyright (C) 1998, 1999, 2000, 2001, 2002 Red Hat, Inc.
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 184 diff changeset	12 //
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 184 diff changeset	13 // eCos is free software; you can redistribute it and/or modify it under
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 184 diff changeset	14 // the terms of the GNU General Public License as published by the Free
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 184 diff changeset	15 // Software Foundation; either version 2 or (at your option) any later version.
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 184 diff changeset	16 //
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 184 diff changeset	17 // eCos is distributed in the hope that it will be useful, but WITHOUT ANY
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 184 diff changeset	18 // WARRANTY; without even the implied warranty of MERCHANTABILITY or
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 184 diff changeset	19 // FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 184 diff changeset	20 // for more details.
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 184 diff changeset	21 //
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 184 diff changeset	22 // You should have received a copy of the GNU General Public License along
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 184 diff changeset	23 // with eCos; if not, write to the Free Software Foundation, Inc.,
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 184 diff changeset	24 // 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 184 diff changeset	25 //
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 184 diff changeset	26 // As a special exception, if other files instantiate templates or use macros
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 184 diff changeset	27 // or inline functions from this file, or you compile this file and link it
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 184 diff changeset	28 // with other works to produce a work based on this file, this file does not
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 184 diff changeset	29 // by itself cause the resulting work to be covered by the GNU General Public
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 184 diff changeset	30 // License. However the source code for this file must still be made available
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 184 diff changeset	31 // in accordance with section (3) of the GNU General Public License.
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 184 diff changeset	32 //
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 184 diff changeset	33 // This exception does not invalidate any other reasons why a work based on
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 184 diff changeset	34 // this file might be covered by the GNU General Public License.
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 184 diff changeset	35 //
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 184 diff changeset	36 // Alternative licenses for eCos may be arranged by contacting Red Hat, Inc.
210 d2c90368aeef Merge from eCos master repository on 2002-05-23-21:39:14-BST jlarmour parents: 208 diff changeset	37 // at http://sources.redhat.com/ecos/ecos-license/
208 e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 184 diff changeset	38 // -------------------------------------------
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 184 diff changeset	39 //####ECOSGPLCOPYRIGHTEND####
52 7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	40 //=============================================================================
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	41 //#####DESCRIPTIONBEGIN####
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	42 //
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	43 // Author(s): jskov, from design by nickg
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	44 // Contributors: jskov
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	45 // Date: 1999-08-09
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	46 // Purpose: PCI configuration
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	47 // Description:
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	48 // PCI bus support library.
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	49 // Handles simple resource allocation for devices.
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	50 // Can configure 64bit devices, but drivers may need special
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	51 // magic to access all of this memory space - this is platform
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	52 // specific and the driver must know how to handle it on its own.
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	53 //####DESCRIPTIONEND####
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	54 //
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	55 //=============================================================================
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	56
136 a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 66 diff changeset	57 #include <pkgconf/hal.h>
143 6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 138 diff changeset	58 #include <pkgconf/io_pci.h>
52 7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	59 #include <cyg/io/pci_hw.h>
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	60
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	61 // CYG_PCI_PRESENT only gets defined for targets that provide PCI HAL support.
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	62 // See pci_hw.h for details.
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	63 #ifdef CYG_PCI_PRESENT
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	64
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	65 #include <cyg/io/pci.h>
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	66 #include <cyg/infra/cyg_ass.h>
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	67
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	68 static cyg_bool cyg_pci_lib_initialized = false;
654 89b77368d45c Improve resource management. gthomas parents: 210 diff changeset	69 static CYG_PCI_ADDRESS64 cyg_pci_memory_base;
89b77368d45c Improve resource management. gthomas parents: 210 diff changeset	70 static CYG_PCI_ADDRESS32 cyg_pci_io_base;
52 7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	71
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	72 void
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	73 cyg_pci_init( void )
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	74 {
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	75 if (!cyg_pci_lib_initialized) {
208 e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 184 diff changeset	76
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 184 diff changeset	77 cyg_pci_set_memory_base(HAL_PCI_ALLOC_BASE_MEMORY);
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 184 diff changeset	78 cyg_pci_set_io_base(HAL_PCI_ALLOC_BASE_IO);
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 184 diff changeset	79
52 7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	80 // Initialize the PCI bus, preparing it for general access.
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	81 cyg_pcihw_init();
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	82
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	83 cyg_pci_lib_initialized = true;
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	84 }
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	85 }
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	86
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	87 //---------------------------------------------------------------------------
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	88 // Common device configuration access functions
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	89
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	90 void
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	91 cyg_pci_get_device_info ( cyg_pci_device_id devid, cyg_pci_device *dev_info )
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	92 {
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	93 int i;
1366 97946fc092d5 * src/pci.c : Additional changes in cyg_pci_get_device_info, asl parents: 1254 diff changeset	94 unsigned char bar_count;
52 7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	95 cyg_uint8 bus = CYG_PCI_DEV_GET_BUS(devid);
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	96 cyg_uint8 devfn = CYG_PCI_DEV_GET_DEVFN(devid);
148 8f2f7615e727 Merge from eCos master repository on 2001-01-12-06:43:03-GMT jlarmour parents: 147 diff changeset	97 cyg_uint8 header_type;
52 7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	98
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	99 dev_info->devid = devid;
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	100
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	101 cyg_pcihw_read_config_uint16(bus, devfn, CYG_PCI_CFG_VENDOR,
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	102 &dev_info->vendor);
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	103 cyg_pcihw_read_config_uint16(bus, devfn, CYG_PCI_CFG_DEVICE,
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	104 &dev_info->device);
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	105 cyg_pcihw_read_config_uint16(bus, devfn, CYG_PCI_CFG_COMMAND,
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	106 &dev_info->command);
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	107 cyg_pcihw_read_config_uint16(bus, devfn, CYG_PCI_CFG_STATUS,
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	108 &dev_info->status);
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	109 cyg_pcihw_read_config_uint32(bus, devfn, CYG_PCI_CFG_CLASS_REV,
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	110 &dev_info->class_rev);
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	111 cyg_pcihw_read_config_uint8(bus, devfn, CYG_PCI_CFG_CACHE_LINE_SIZE,
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	112 &dev_info->cache_line_size);
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	113 cyg_pcihw_read_config_uint8(bus, devfn, CYG_PCI_CFG_LATENCY_TIMER,
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	114 &dev_info->latency_timer);
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	115 cyg_pcihw_read_config_uint8(bus, devfn, CYG_PCI_CFG_HEADER_TYPE,
148 8f2f7615e727 Merge from eCos master repository on 2001-01-12-06:43:03-GMT jlarmour parents: 147 diff changeset	116 &header_type);
8f2f7615e727 Merge from eCos master repository on 2001-01-12-06:43:03-GMT jlarmour parents: 147 diff changeset	117 dev_info->header_type = (cyg_pci_header_type) header_type;
52 7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	118 cyg_pcihw_read_config_uint8(bus, devfn, CYG_PCI_CFG_BIST,
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	119 &dev_info->bist);
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	120
136 a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 66 diff changeset	121 if ((dev_info->header_type & CYG_PCI_CFG_HEADER_TYPE_MASK) == CYG_PCI_HEADER_BRIDGE)
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 66 diff changeset	122 dev_info->num_bars = 2;
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 66 diff changeset	123 else
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 66 diff changeset	124 dev_info->num_bars = 6;
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 66 diff changeset	125
654 89b77368d45c Improve resource management. gthomas parents: 210 diff changeset	126 // Clear out all address info (the code below stops short)
89b77368d45c Improve resource management. gthomas parents: 210 diff changeset	127 for (i = 0; i < CYG_PCI_MAX_BAR; i++) {
89b77368d45c Improve resource management. gthomas parents: 210 diff changeset	128 dev_info->base_map[i] = 0xffffffff;
89b77368d45c Improve resource management. gthomas parents: 210 diff changeset	129 dev_info->base_address[i] = 0;
89b77368d45c Improve resource management. gthomas parents: 210 diff changeset	130 dev_info->base_size[i] = 0;
89b77368d45c Improve resource management. gthomas parents: 210 diff changeset	131 }
89b77368d45c Improve resource management. gthomas parents: 210 diff changeset	132
89b77368d45c Improve resource management. gthomas parents: 210 diff changeset	133 for (i = 0; i < dev_info->num_bars; i++) {
136 a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 66 diff changeset	134 cyg_pcihw_read_config_uint32(bus, devfn,
52 7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	135 CYG_PCI_CFG_BAR_BASE + 4*i,
136 a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 66 diff changeset	136 &dev_info->base_address[i]);
654 89b77368d45c Improve resource management. gthomas parents: 210 diff changeset	137 }
52 7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	138
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	139 // If device is disabled, probe BARs for sizes.
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	140 if ((dev_info->command & CYG_PCI_CFG_COMMAND_ACTIVE) == 0) {
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	141
1366 97946fc092d5 * src/pci.c : Additional changes in cyg_pci_get_device_info, asl parents: 1254 diff changeset	142 bar_count = 0;
136 a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 66 diff changeset	143 for (i = 0; i < dev_info->num_bars; i++){
52 7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	144 cyg_uint32 size;
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	145
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	146 cyg_pcihw_write_config_uint32(bus, devfn,
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	147 CYG_PCI_CFG_BAR_BASE + 4*i,
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	148 0xffffffff);
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	149 cyg_pcihw_read_config_uint32(bus, devfn,
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	150 CYG_PCI_CFG_BAR_BASE + 4*i,
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	151 &size);
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	152 dev_info->base_size[i] = size;
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	153 dev_info->base_map[i] = 0xffffffff;
136 a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 66 diff changeset	154
1366 97946fc092d5 * src/pci.c : Additional changes in cyg_pci_get_device_info, asl parents: 1254 diff changeset	155 // Increment BAR count only if it has valid entry. BARs may not
97946fc092d5 * src/pci.c : Additional changes in cyg_pci_get_device_info, asl parents: 1254 diff changeset	156 // be in contiguous locations.
97946fc092d5 * src/pci.c : Additional changes in cyg_pci_get_device_info, asl parents: 1254 diff changeset	157 if (size != 0) {
97946fc092d5 * src/pci.c : Additional changes in cyg_pci_get_device_info, asl parents: 1254 diff changeset	158 ++bar_count;
97946fc092d5 * src/pci.c : Additional changes in cyg_pci_get_device_info, asl parents: 1254 diff changeset	159 }
97946fc092d5 * src/pci.c : Additional changes in cyg_pci_get_device_info, asl parents: 1254 diff changeset	160
52 7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	161 // Check for a 64bit memory region.
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	162 if (CYG_PCI_CFG_BAR_SPACE_MEM ==
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	163 (size & CYG_PCI_CFG_BAR_SPACE_MASK)) {
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	164 if (size & CYG_PRI_CFG_BAR_MEM_TYPE_64) {
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	165 // Clear fields for next BAR - it's the upper 32 bits.
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	166 i++;
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	167 dev_info->base_size[i] = 0;
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	168 dev_info->base_map[i] = 0xffffffff;
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	169 }
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	170 }
1467 8ad4d297cbf8 * src/pci.c (cyg_pci_get_device_info): Added fix for devices that nickg parents: 1465 diff changeset	171
8ad4d297cbf8 * src/pci.c (cyg_pci_get_device_info): Added fix for devices that nickg parents: 1465 diff changeset	172 // Fix any IO devices that only implement the bottom 16
8ad4d297cbf8 * src/pci.c (cyg_pci_get_device_info): Added fix for devices that nickg parents: 1465 diff changeset	173 // bits of the the BAR. Just fill in these bits so it
8ad4d297cbf8 * src/pci.c (cyg_pci_get_device_info): Added fix for devices that nickg parents: 1465 diff changeset	174 // looks like a full 32 bit BAR.
8ad4d297cbf8 * src/pci.c (cyg_pci_get_device_info): Added fix for devices that nickg parents: 1465 diff changeset	175 if ((CYG_PCI_CFG_BAR_SPACE_IO ==
8ad4d297cbf8 * src/pci.c (cyg_pci_get_device_info): Added fix for devices that nickg parents: 1465 diff changeset	176 (size & CYG_PCI_CFG_BAR_SPACE_MASK)) &&
8ad4d297cbf8 * src/pci.c (cyg_pci_get_device_info): Added fix for devices that nickg parents: 1465 diff changeset	177 ((size & 0xFFFF0000) == 0)
8ad4d297cbf8 * src/pci.c (cyg_pci_get_device_info): Added fix for devices that nickg parents: 1465 diff changeset	178 )
8ad4d297cbf8 * src/pci.c (cyg_pci_get_device_info): Added fix for devices that nickg parents: 1465 diff changeset	179 {
8ad4d297cbf8 * src/pci.c (cyg_pci_get_device_info): Added fix for devices that nickg parents: 1465 diff changeset	180 dev_info->base_size[i] \|= 0xFFFF0000;
8ad4d297cbf8 * src/pci.c (cyg_pci_get_device_info): Added fix for devices that nickg parents: 1465 diff changeset	181 }
52 7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	182 }
1366 97946fc092d5 * src/pci.c : Additional changes in cyg_pci_get_device_info, asl parents: 1254 diff changeset	183 dev_info->num_bars = bar_count;
52 7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	184 } else {
136 a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 66 diff changeset	185 // If the device is already configured. Fill in the base_map.
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 66 diff changeset	186 CYG_PCI_ADDRESS64 tmp_addr;
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 66 diff changeset	187 cyg_uint32 bar;
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 66 diff changeset	188
1366 97946fc092d5 * src/pci.c : Additional changes in cyg_pci_get_device_info, asl parents: 1254 diff changeset	189 bar_count = 0;
136 a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 66 diff changeset	190 for (i = 0; i < dev_info->num_bars; i++){
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 66 diff changeset	191
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 66 diff changeset	192 dev_info->base_size[i] = 0;
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 66 diff changeset	193
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 66 diff changeset	194 bar = dev_info->base_address[i];
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 66 diff changeset	195
1366 97946fc092d5 * src/pci.c : Additional changes in cyg_pci_get_device_info, asl parents: 1254 diff changeset	196 // Increment BAR count only if it has valid entry. BARs may not
97946fc092d5 * src/pci.c : Additional changes in cyg_pci_get_device_info, asl parents: 1254 diff changeset	197 // be in contiguous locations.
97946fc092d5 * src/pci.c : Additional changes in cyg_pci_get_device_info, asl parents: 1254 diff changeset	198 if (bar != 0) {
97946fc092d5 * src/pci.c : Additional changes in cyg_pci_get_device_info, asl parents: 1254 diff changeset	199 ++bar_count;
97946fc092d5 * src/pci.c : Additional changes in cyg_pci_get_device_info, asl parents: 1254 diff changeset	200 }
97946fc092d5 * src/pci.c : Additional changes in cyg_pci_get_device_info, asl parents: 1254 diff changeset	201
136 a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 66 diff changeset	202 if ((bar & CYG_PCI_CFG_BAR_SPACE_MASK) == CYG_PCI_CFG_BAR_SPACE_IO) {
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 66 diff changeset	203 dev_info->base_map[i] = (bar & CYG_PRI_CFG_BAR_IO_MASK) + HAL_PCI_PHYSICAL_IO_BASE;
654 89b77368d45c Improve resource management. gthomas parents: 210 diff changeset	204 bar &= CYG_PRI_CFG_BAR_IO_MASK;
89b77368d45c Improve resource management. gthomas parents: 210 diff changeset	205 if ((bar < 0xFF000000) && (bar >= cyg_pci_io_base)) {
89b77368d45c Improve resource management. gthomas parents: 210 diff changeset	206 // Assume that this device owns 512 'registers'
89b77368d45c Improve resource management. gthomas parents: 210 diff changeset	207 cyg_pci_io_base = bar + 0x200;
89b77368d45c Improve resource management. gthomas parents: 210 diff changeset	208 #ifdef CYGPKG_IO_PCI_DEBUG
89b77368d45c Improve resource management. gthomas parents: 210 diff changeset	209 diag_printf("Update I/O base to %x from bar: %d\n", cyg_pci_io_base, i);
89b77368d45c Improve resource management. gthomas parents: 210 diff changeset	210 #endif
89b77368d45c Improve resource management. gthomas parents: 210 diff changeset	211 }
136 a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 66 diff changeset	212 } else {
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 66 diff changeset	213 tmp_addr = bar & CYG_PRI_CFG_BAR_MEM_MASK;
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 66 diff changeset	214
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 66 diff changeset	215 if ((bar & CYG_PRI_CFG_BAR_MEM_TYPE_MASK) == CYG_PRI_CFG_BAR_MEM_TYPE_64)
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 66 diff changeset	216 tmp_addr \|= ((CYG_PCI_ADDRESS64)(dev_info->base_address[i+1] & CYG_PRI_CFG_BAR_MEM_MASK)) << 32;
654 89b77368d45c Improve resource management. gthomas parents: 210 diff changeset	217
89b77368d45c Improve resource management. gthomas parents: 210 diff changeset	218 if ((tmp_addr < 0xFF000000) && (tmp_addr >= cyg_pci_memory_base)) {
89b77368d45c Improve resource management. gthomas parents: 210 diff changeset	219 // Assume that this device owns 1M
89b77368d45c Improve resource management. gthomas parents: 210 diff changeset	220 cyg_pci_memory_base = tmp_addr + 0x100000;
89b77368d45c Improve resource management. gthomas parents: 210 diff changeset	221 #ifdef CYGPKG_IO_PCI_DEBUG
89b77368d45c Improve resource management. gthomas parents: 210 diff changeset	222 diag_printf("Update memory base to %llx from bar: %d\n", cyg_pci_memory_base, i);
89b77368d45c Improve resource management. gthomas parents: 210 diff changeset	223 #endif
89b77368d45c Improve resource management. gthomas parents: 210 diff changeset	224 }
89b77368d45c Improve resource management. gthomas parents: 210 diff changeset	225
136 a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 66 diff changeset	226 tmp_addr += HAL_PCI_PHYSICAL_MEMORY_BASE;
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 66 diff changeset	227
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 66 diff changeset	228 dev_info->base_map[i] = tmp_addr;
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 66 diff changeset	229 if ((bar & CYG_PRI_CFG_BAR_MEM_TYPE_MASK) == CYG_PRI_CFG_BAR_MEM_TYPE_64)
208 e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 184 diff changeset	230 dev_info->base_map[++i] = tmp_addr >> 32;
136 a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 66 diff changeset	231 }
52 7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	232 }
1366 97946fc092d5 * src/pci.c : Additional changes in cyg_pci_get_device_info, asl parents: 1254 diff changeset	233 dev_info->num_bars = bar_count;
52 7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	234 }
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	235
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	236
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	237 switch (dev_info->header_type & CYG_PCI_CFG_HEADER_TYPE_MASK) {
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	238 case CYG_PCI_HEADER_NORMAL:
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	239 cyg_pcihw_read_config_uint32(bus, devfn, CYG_PCI_CFG_CARDBUS_CIS,
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	240 &dev_info->header.normal.cardbus_cis);
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	241 cyg_pcihw_read_config_uint16(bus, devfn, CYG_PCI_CFG_SUB_VENDOR,
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	242 &dev_info->header.normal.sub_vendor);
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	243 cyg_pcihw_read_config_uint16(bus, devfn, CYG_PCI_CFG_SUB_ID,
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	244 &dev_info->header.normal.sub_id);
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	245 cyg_pcihw_read_config_uint32(bus, devfn, CYG_PCI_CFG_ROM_ADDRESS,
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	246 &dev_info->header.normal.rom_address);
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	247 cyg_pcihw_read_config_uint8(bus, devfn, CYG_PCI_CFG_CAP_LIST,
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	248 &dev_info->header.normal.cap_list);
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	249
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	250 cyg_pcihw_read_config_uint8(bus, devfn, CYG_PCI_CFG_INT_LINE,
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	251 &dev_info->header.normal.int_line);
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	252 cyg_pcihw_read_config_uint8(bus, devfn, CYG_PCI_CFG_INT_PIN,
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	253 &dev_info->header.normal.int_pin);
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	254 cyg_pcihw_read_config_uint8(bus, devfn, CYG_PCI_CFG_MIN_GNT,
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	255 &dev_info->header.normal.min_gnt);
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	256 cyg_pcihw_read_config_uint8(bus, devfn, CYG_PCI_CFG_MAX_LAT,
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	257 &dev_info->header.normal.max_lat);
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	258 break;
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	259 case CYG_PCI_HEADER_BRIDGE:
136 a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 66 diff changeset	260 cyg_pcihw_read_config_uint8(bus, devfn, CYG_PCI_CFG_PRI_BUS,
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 66 diff changeset	261 &dev_info->header.bridge.pri_bus);
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 66 diff changeset	262 cyg_pcihw_read_config_uint8(bus, devfn, CYG_PCI_CFG_SEC_BUS,
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 66 diff changeset	263 &dev_info->header.bridge.sec_bus);
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 66 diff changeset	264 cyg_pcihw_read_config_uint8(bus, devfn, CYG_PCI_CFG_SUB_BUS,
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 66 diff changeset	265 &dev_info->header.bridge.sub_bus);
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 66 diff changeset	266 cyg_pcihw_read_config_uint8(bus, devfn, CYG_PCI_CFG_SEC_LATENCY_TIMER,
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 66 diff changeset	267 &dev_info->header.bridge.sec_latency_timer);
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 66 diff changeset	268 cyg_pcihw_read_config_uint8(bus, devfn, CYG_PCI_CFG_IO_BASE,
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 66 diff changeset	269 &dev_info->header.bridge.io_base);
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 66 diff changeset	270 cyg_pcihw_read_config_uint8(bus, devfn, CYG_PCI_CFG_IO_LIMIT,
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 66 diff changeset	271 &dev_info->header.bridge.io_limit);
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 66 diff changeset	272 cyg_pcihw_read_config_uint16(bus, devfn, CYG_PCI_CFG_SEC_STATUS,
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 66 diff changeset	273 &dev_info->header.bridge.sec_status);
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 66 diff changeset	274 cyg_pcihw_read_config_uint16(bus, devfn, CYG_PCI_CFG_MEM_BASE,
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 66 diff changeset	275 &dev_info->header.bridge.mem_base);
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 66 diff changeset	276 cyg_pcihw_read_config_uint16(bus, devfn, CYG_PCI_CFG_MEM_LIMIT,
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 66 diff changeset	277 &dev_info->header.bridge.mem_limit);
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 66 diff changeset	278 cyg_pcihw_read_config_uint16(bus, devfn, CYG_PCI_CFG_PREFETCH_BASE,
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 66 diff changeset	279 &dev_info->header.bridge.prefetch_base);
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 66 diff changeset	280 cyg_pcihw_read_config_uint16(bus, devfn, CYG_PCI_CFG_PREFETCH_LIMIT,
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 66 diff changeset	281 &dev_info->header.bridge.prefetch_limit);
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 66 diff changeset	282 cyg_pcihw_read_config_uint32(bus, devfn, CYG_PCI_CFG_PREFETCH_BASE_UPPER32,
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 66 diff changeset	283 &dev_info->header.bridge.prefetch_base_upper32);
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 66 diff changeset	284 cyg_pcihw_read_config_uint32(bus, devfn, CYG_PCI_CFG_PREFETCH_LIMIT_UPPER32,
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 66 diff changeset	285 &dev_info->header.bridge.prefetch_limit_upper32);
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 66 diff changeset	286 cyg_pcihw_read_config_uint16(bus, devfn, CYG_PCI_CFG_IO_BASE_UPPER16,
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 66 diff changeset	287 &dev_info->header.bridge.io_base_upper16);
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 66 diff changeset	288 cyg_pcihw_read_config_uint16(bus, devfn, CYG_PCI_CFG_IO_LIMIT_UPPER16,
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 66 diff changeset	289 &dev_info->header.bridge.io_limit_upper16);
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 66 diff changeset	290 cyg_pcihw_read_config_uint32(bus, devfn, CYG_PCI_CFG_BRIDGE_ROM_ADDRESS,
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 66 diff changeset	291 &dev_info->header.bridge.rom_address);
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 66 diff changeset	292 cyg_pcihw_read_config_uint8(bus, devfn, CYG_PCI_CFG_INT_LINE,
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 66 diff changeset	293 &dev_info->header.bridge.int_line);
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 66 diff changeset	294 cyg_pcihw_read_config_uint8(bus, devfn, CYG_PCI_CFG_INT_PIN,
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 66 diff changeset	295 &dev_info->header.bridge.int_pin);
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 66 diff changeset	296 cyg_pcihw_read_config_uint16(bus, devfn, CYG_PCI_CFG_BRIDGE_CONTROL,
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 66 diff changeset	297 &dev_info->header.bridge.control);
52 7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	298 break;
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	299 case CYG_PCI_HEADER_CARDBUS_BRIDGE:
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	300 CYG_FAIL("PCI device header 'cardbus bridge' support not implemented");
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	301 break;
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	302 default:
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	303 CYG_FAIL("Unknown PCI device header type");
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	304 break;
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	305 }
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	306 }
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	307
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	308 void
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	309 cyg_pci_set_device_info ( cyg_pci_device_id devid, cyg_pci_device *dev_info )
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	310 {
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	311 cyg_uint8 bus = CYG_PCI_DEV_GET_BUS(devid);
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	312 cyg_uint8 devfn = CYG_PCI_DEV_GET_DEVFN(devid);
136 a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 66 diff changeset	313 int i;
52 7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	314
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	315 // Only writable entries are updated.
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	316 cyg_pcihw_write_config_uint16(bus, devfn, CYG_PCI_CFG_COMMAND,
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	317 dev_info->command);
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	318 cyg_pcihw_write_config_uint16(bus, devfn, CYG_PCI_CFG_STATUS,
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	319 dev_info->status);
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	320 cyg_pcihw_write_config_uint8(bus, devfn, CYG_PCI_CFG_CACHE_LINE_SIZE,
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	321 dev_info->cache_line_size);
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	322 cyg_pcihw_write_config_uint8(bus, devfn, CYG_PCI_CFG_LATENCY_TIMER,
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	323 dev_info->latency_timer);
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	324 cyg_pcihw_write_config_uint8(bus, devfn, CYG_PCI_CFG_BIST,
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	325 dev_info->bist);
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	326
1366 97946fc092d5 * src/pci.c : Additional changes in cyg_pci_get_device_info, asl parents: 1254 diff changeset	327 // Check for all possible BARs because they may be non-contiguous
97946fc092d5 * src/pci.c : Additional changes in cyg_pci_get_device_info, asl parents: 1254 diff changeset	328 for (i = 0; i < CYG_PCI_MAX_BAR; i++) {
97946fc092d5 * src/pci.c : Additional changes in cyg_pci_get_device_info, asl parents: 1254 diff changeset	329 if (dev_info->base_address[i]) {
97946fc092d5 * src/pci.c : Additional changes in cyg_pci_get_device_info, asl parents: 1254 diff changeset	330 cyg_pcihw_write_config_uint32 (bus, devfn,
97946fc092d5 * src/pci.c : Additional changes in cyg_pci_get_device_info, asl parents: 1254 diff changeset	331 CYG_PCI_CFG_BAR_BASE+4*i,
97946fc092d5 * src/pci.c : Additional changes in cyg_pci_get_device_info, asl parents: 1254 diff changeset	332 dev_info->base_address[i]);
97946fc092d5 * src/pci.c : Additional changes in cyg_pci_get_device_info, asl parents: 1254 diff changeset	333 }
136 a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 66 diff changeset	334 }
52 7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	335
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	336 switch (dev_info->header_type & CYG_PCI_CFG_HEADER_TYPE_MASK) {
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	337 case CYG_PCI_HEADER_NORMAL:
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	338 cyg_pcihw_write_config_uint32(bus, devfn, CYG_PCI_CFG_CARDBUS_CIS,
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	339 dev_info->header.normal.cardbus_cis);
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	340 cyg_pcihw_write_config_uint16(bus, devfn, CYG_PCI_CFG_SUB_VENDOR,
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	341 dev_info->header.normal.sub_vendor);
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	342 cyg_pcihw_write_config_uint16(bus, devfn, CYG_PCI_CFG_SUB_ID,
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	343 dev_info->header.normal.sub_id);
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	344 cyg_pcihw_write_config_uint32(bus, devfn, CYG_PCI_CFG_ROM_ADDRESS,
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	345 dev_info->header.normal.rom_address);
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	346
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	347 cyg_pcihw_write_config_uint8(bus, devfn, CYG_PCI_CFG_INT_LINE,
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	348 dev_info->header.normal.int_line);
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	349 cyg_pcihw_write_config_uint8(bus, devfn, CYG_PCI_CFG_INT_PIN,
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	350 dev_info->header.normal.int_pin);
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	351 cyg_pcihw_write_config_uint8(bus, devfn, CYG_PCI_CFG_MIN_GNT,
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	352 dev_info->header.normal.min_gnt);
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	353 cyg_pcihw_write_config_uint8(bus, devfn, CYG_PCI_CFG_MAX_LAT,
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	354 dev_info->header.normal.max_lat);
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	355 break;
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	356 case CYG_PCI_HEADER_BRIDGE:
136 a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 66 diff changeset	357 cyg_pcihw_write_config_uint8(bus, devfn, CYG_PCI_CFG_PRI_BUS,
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 66 diff changeset	358 dev_info->header.bridge.pri_bus);
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 66 diff changeset	359 cyg_pcihw_write_config_uint8(bus, devfn, CYG_PCI_CFG_SEC_BUS,
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 66 diff changeset	360 dev_info->header.bridge.sec_bus);
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 66 diff changeset	361 cyg_pcihw_write_config_uint8(bus, devfn, CYG_PCI_CFG_SUB_BUS,
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 66 diff changeset	362 dev_info->header.bridge.sub_bus);
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 66 diff changeset	363 cyg_pcihw_write_config_uint8(bus, devfn, CYG_PCI_CFG_SEC_LATENCY_TIMER,
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 66 diff changeset	364 dev_info->header.bridge.sec_latency_timer);
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 66 diff changeset	365 cyg_pcihw_write_config_uint8(bus, devfn, CYG_PCI_CFG_IO_BASE,
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 66 diff changeset	366 dev_info->header.bridge.io_base);
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 66 diff changeset	367 cyg_pcihw_write_config_uint8(bus, devfn, CYG_PCI_CFG_IO_LIMIT,
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 66 diff changeset	368 dev_info->header.bridge.io_limit);
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 66 diff changeset	369 cyg_pcihw_write_config_uint16(bus, devfn, CYG_PCI_CFG_SEC_STATUS,
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 66 diff changeset	370 dev_info->header.bridge.sec_status);
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 66 diff changeset	371 cyg_pcihw_write_config_uint16(bus, devfn, CYG_PCI_CFG_MEM_BASE,
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 66 diff changeset	372 dev_info->header.bridge.mem_base);
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 66 diff changeset	373 cyg_pcihw_write_config_uint16(bus, devfn, CYG_PCI_CFG_MEM_LIMIT,
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 66 diff changeset	374 dev_info->header.bridge.mem_limit);
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 66 diff changeset	375 cyg_pcihw_write_config_uint16(bus, devfn, CYG_PCI_CFG_PREFETCH_BASE,
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 66 diff changeset	376 dev_info->header.bridge.prefetch_base);
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 66 diff changeset	377 cyg_pcihw_write_config_uint16(bus, devfn, CYG_PCI_CFG_PREFETCH_LIMIT,
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 66 diff changeset	378 dev_info->header.bridge.prefetch_limit);
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 66 diff changeset	379 cyg_pcihw_write_config_uint32(bus, devfn, CYG_PCI_CFG_PREFETCH_BASE_UPPER32,
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 66 diff changeset	380 dev_info->header.bridge.prefetch_base_upper32);
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 66 diff changeset	381 cyg_pcihw_write_config_uint32(bus, devfn, CYG_PCI_CFG_PREFETCH_LIMIT_UPPER32,
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 66 diff changeset	382 dev_info->header.bridge.prefetch_limit_upper32);
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 66 diff changeset	383 cyg_pcihw_write_config_uint16(bus, devfn, CYG_PCI_CFG_IO_BASE_UPPER16,
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 66 diff changeset	384 dev_info->header.bridge.io_base_upper16);
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 66 diff changeset	385 cyg_pcihw_write_config_uint16(bus, devfn, CYG_PCI_CFG_IO_LIMIT_UPPER16,
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 66 diff changeset	386 dev_info->header.bridge.io_limit_upper16);
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 66 diff changeset	387 cyg_pcihw_write_config_uint32(bus, devfn, CYG_PCI_CFG_BRIDGE_ROM_ADDRESS,
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 66 diff changeset	388 dev_info->header.bridge.rom_address);
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 66 diff changeset	389 cyg_pcihw_write_config_uint8(bus, devfn, CYG_PCI_CFG_INT_LINE,
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 66 diff changeset	390 dev_info->header.bridge.int_line);
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 66 diff changeset	391 cyg_pcihw_write_config_uint16(bus, devfn, CYG_PCI_CFG_BRIDGE_CONTROL,
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 66 diff changeset	392 dev_info->header.bridge.control);
52 7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	393 break;
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	394 case CYG_PCI_HEADER_CARDBUS_BRIDGE:
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	395 CYG_FAIL("PCI device header 'cardbus bridge' support not implemented");
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	396 break;
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	397 default:
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	398 CYG_FAIL("Unknown PCI device header type");
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	399 break;
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	400 }
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	401
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	402 // Update values in dev_info.
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	403 cyg_pci_get_device_info(devid, dev_info);
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	404 }
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	405
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	406
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	407 //---------------------------------------------------------------------------
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	408 // Specific device configuration access functions
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	409 void
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	410 cyg_pci_read_config_uint8( cyg_pci_device_id devid,
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	411 cyg_uint8 offset, cyg_uint8 *val)
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	412 {
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	413 cyg_pcihw_read_config_uint8(CYG_PCI_DEV_GET_BUS(devid),
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	414 CYG_PCI_DEV_GET_DEVFN(devid),
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	415 offset, val);
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	416 }
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	417
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	418 void
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	419 cyg_pci_read_config_uint16( cyg_pci_device_id devid,
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	420 cyg_uint8 offset, cyg_uint16 *val)
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	421 {
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	422 cyg_pcihw_read_config_uint16(CYG_PCI_DEV_GET_BUS(devid),
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	423 CYG_PCI_DEV_GET_DEVFN(devid),
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	424 offset, val);
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	425 }
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	426
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	427 void
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	428 cyg_pci_read_config_uint32( cyg_pci_device_id devid,
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	429 cyg_uint8 offset, cyg_uint32 *val)
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	430 {
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	431 cyg_pcihw_read_config_uint32(CYG_PCI_DEV_GET_BUS(devid),
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	432 CYG_PCI_DEV_GET_DEVFN(devid),
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	433 offset, val);
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	434 }
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	435
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	436
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	437 // Write functions
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	438 void
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	439 cyg_pci_write_config_uint8( cyg_pci_device_id devid,
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	440 cyg_uint8 offset, cyg_uint8 val)
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	441 {
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	442 cyg_pcihw_write_config_uint8(CYG_PCI_DEV_GET_BUS(devid),
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	443 CYG_PCI_DEV_GET_DEVFN(devid),
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	444 offset, val);
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	445 }
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	446
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	447 void
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	448 cyg_pci_write_config_uint16( cyg_pci_device_id devid,
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	449 cyg_uint8 offset, cyg_uint16 val)
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	450 {
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	451 cyg_pcihw_write_config_uint16(CYG_PCI_DEV_GET_BUS(devid),
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	452 CYG_PCI_DEV_GET_DEVFN(devid),
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	453 offset, val);
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	454 }
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	455
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	456 void
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	457 cyg_pci_write_config_uint32( cyg_pci_device_id devid,
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	458 cyg_uint8 offset, cyg_uint32 val)
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	459 {
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	460 cyg_pcihw_write_config_uint32(CYG_PCI_DEV_GET_BUS(devid),
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	461 CYG_PCI_DEV_GET_DEVFN(devid),
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	462 offset, val);
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	463 }
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	464
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	465 //------------------------------------------------------------------------
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	466 // Device find functions
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	467
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	468 cyg_bool
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	469 cyg_pci_find_next( cyg_pci_device_id cur_devid,
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	470 cyg_pci_device_id *next_devid )
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	471 {
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	472 cyg_uint8 bus = CYG_PCI_DEV_GET_BUS(cur_devid);
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	473 cyg_uint8 devfn = CYG_PCI_DEV_GET_DEVFN(cur_devid);
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	474 cyg_uint8 dev = CYG_PCI_DEV_GET_DEV(devfn);
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	475 cyg_uint8 fn = CYG_PCI_DEV_GET_FN(devfn);
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	476
143 6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 138 diff changeset	477 #ifdef CYGPKG_IO_PCI_DEBUG
182 f62680ef1804 Merge from eCos master repository on 2001-09-07-06:43:02-BST jlarmour parents: 148 diff changeset	478 diag_printf("cyg_pci_find_next: start[%x] ...\n",(unsigned)cur_devid);
136 a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 66 diff changeset	479 #endif
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 66 diff changeset	480
52 7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	481 // If this is the initializer, start with 0/0/0
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	482 if (CYG_PCI_NULL_DEVID == cur_devid) {
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	483 bus = dev = fn = 0;
184 022f1e506033 Merge from eCos master repository on 2001-10-02-17:59:22-BST jlarmour parents: 182 diff changeset	484 dev = CYG_PCI_MIN_DEV;
136 a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 66 diff changeset	485 } else if (CYG_PCI_NULL_DEVFN == (cur_devid & CYG_PCI_NULL_DEVFN)) {
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 66 diff changeset	486 dev = fn = 0;
184 022f1e506033 Merge from eCos master repository on 2001-10-02-17:59:22-BST jlarmour parents: 182 diff changeset	487 dev = CYG_PCI_MIN_DEV;
52 7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	488 } else {
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	489 // Otherwise, check multi-function bit of device's first function
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	490 cyg_uint8 header;
136 a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 66 diff changeset	491
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 66 diff changeset	492 devfn = CYG_PCI_DEV_MAKE_DEVFN(dev, 0);
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 66 diff changeset	493 cyg_pcihw_read_config_uint8(bus, devfn,
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 66 diff changeset	494 CYG_PCI_CFG_HEADER_TYPE, &header);
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 66 diff changeset	495 if (header & CYG_PCI_CFG_HEADER_TYPE_MF) {
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 66 diff changeset	496 // Multi-function device. Increase fn.
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 66 diff changeset	497 fn++;
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 66 diff changeset	498 if (fn >= CYG_PCI_MAX_FN) {
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 66 diff changeset	499 fn = 0;
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 66 diff changeset	500 dev++;
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 66 diff changeset	501 }
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 66 diff changeset	502 } else {
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 66 diff changeset	503 // Single-function device. Skip to next.
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 66 diff changeset	504 dev++;
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 66 diff changeset	505 }
52 7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	506 }
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	507
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	508 // Note: Reset iterators in enclosing statement's "next" part.
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	509 // Allows resuming scan with given input values.
184 022f1e506033 Merge from eCos master repository on 2001-10-02-17:59:22-BST jlarmour parents: 182 diff changeset	510 for (;bus < CYG_PCI_MAX_BUS; bus++, dev=CYG_PCI_MIN_DEV) {
52 7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	511 for (;dev < CYG_PCI_MAX_DEV; dev++, fn=0) {
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	512 for (;fn < CYG_PCI_MAX_FN; fn++) {
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	513 cyg_uint16 vendor;
147 d397fc472bcf Merge from eCos master repository on 2001-01-05-06:43:02-GMT jlarmour parents: 143 diff changeset	514
d397fc472bcf Merge from eCos master repository on 2001-01-05-06:43:02-GMT jlarmour parents: 143 diff changeset	515 if (CYG_PCI_IGNORE_DEVICE(bus, dev, fn))
d397fc472bcf Merge from eCos master repository on 2001-01-05-06:43:02-GMT jlarmour parents: 143 diff changeset	516 continue;
d397fc472bcf Merge from eCos master repository on 2001-01-05-06:43:02-GMT jlarmour parents: 143 diff changeset	517
52 7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	518 devfn = CYG_PCI_DEV_MAKE_DEVFN(dev, fn);
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	519 cyg_pcihw_read_config_uint16(bus, devfn,
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	520 CYG_PCI_CFG_VENDOR, &vendor);
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	521 if (CYG_PCI_VENDOR_UNDEFINED != vendor) {
143 6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 138 diff changeset	522 #ifdef CYGPKG_IO_PCI_DEBUG
182 f62680ef1804 Merge from eCos master repository on 2001-09-07-06:43:02-BST jlarmour parents: 148 diff changeset	523 diag_printf(" Bus: %d, Dev: %d, Fn: %d, Vendor: %x\n", bus, dev, fn, vendor);
143 6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 138 diff changeset	524 #endif
52 7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	525 *next_devid = CYG_PCI_DEV_MAKE_ID(bus, devfn);
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	526 return true;
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	527 }
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	528 }
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	529 }
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	530 }
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	531
143 6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 138 diff changeset	532 #ifdef CYGPKG_IO_PCI_DEBUG
182 f62680ef1804 Merge from eCos master repository on 2001-09-07-06:43:02-BST jlarmour parents: 148 diff changeset	533 diag_printf("nothing.\n");
136 a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 66 diff changeset	534 #endif
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 66 diff changeset	535
52 7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	536 return false;
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	537 }
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	538
138 289bf90c6a9b Merge from eCos master repository on 2000-11-24-06:43:05-GMT jlarmour parents: 136 diff changeset	539 //
289bf90c6a9b Merge from eCos master repository on 2000-11-24-06:43:05-GMT jlarmour parents: 136 diff changeset	540 // Scan for a particular device, starting with 'devid'
289bf90c6a9b Merge from eCos master repository on 2000-11-24-06:43:05-GMT jlarmour parents: 136 diff changeset	541 // 'devid' is updated with the next device if found.
289bf90c6a9b Merge from eCos master repository on 2000-11-24-06:43:05-GMT jlarmour parents: 136 diff changeset	542 // is not changed if no suitable device is found.
52 7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	543 cyg_bool
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	544 cyg_pci_find_device( cyg_uint16 vendor, cyg_uint16 device,
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	545 cyg_pci_device_id *devid )
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	546 {
138 289bf90c6a9b Merge from eCos master repository on 2000-11-24-06:43:05-GMT jlarmour parents: 136 diff changeset	547 cyg_pci_device_id new_devid = *devid;
289bf90c6a9b Merge from eCos master repository on 2000-11-24-06:43:05-GMT jlarmour parents: 136 diff changeset	548
143 6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 138 diff changeset	549 #ifdef CYGPKG_IO_PCI_DEBUG
182 f62680ef1804 Merge from eCos master repository on 2001-09-07-06:43:02-BST jlarmour parents: 148 diff changeset	550 diag_printf("cyg_pci_find_device - vendor: %x, device: %x\n", vendor, device);
143 6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 138 diff changeset	551 #endif
52 7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	552 // Scan entire bus, check for matches on valid devices.
138 289bf90c6a9b Merge from eCos master repository on 2000-11-24-06:43:05-GMT jlarmour parents: 136 diff changeset	553 while (cyg_pci_find_next(new_devid, &new_devid)) {
289bf90c6a9b Merge from eCos master repository on 2000-11-24-06:43:05-GMT jlarmour parents: 136 diff changeset	554 cyg_uint8 bus = CYG_PCI_DEV_GET_BUS(new_devid);
289bf90c6a9b Merge from eCos master repository on 2000-11-24-06:43:05-GMT jlarmour parents: 136 diff changeset	555 cyg_uint8 devfn = CYG_PCI_DEV_GET_DEVFN(new_devid);
52 7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	556 cyg_uint16 v, d;
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	557
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	558 // Check that vendor matches.
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	559 cyg_pcihw_read_config_uint16(bus, devfn,
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	560 CYG_PCI_CFG_VENDOR, &v);
143 6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 138 diff changeset	561 cyg_pcihw_read_config_uint16(bus, devfn,
6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 138 diff changeset	562 CYG_PCI_CFG_DEVICE, &d);
6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 138 diff changeset	563 #ifdef CYGPKG_IO_PCI_DEBUG
182 f62680ef1804 Merge from eCos master repository on 2001-09-07-06:43:02-BST jlarmour parents: 148 diff changeset	564 diag_printf("... PCI vendor = %x, device = %x\n", v, d);
143 6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 138 diff changeset	565 #endif
1404 165499195994 * src/pci.c (cyg_pci_find_device): Removed a debug print which should asl parents: 1397 diff changeset	566
52 7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	567 if (v != vendor) continue;
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	568
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	569 // Check that device matches.
138 289bf90c6a9b Merge from eCos master repository on 2000-11-24-06:43:05-GMT jlarmour parents: 136 diff changeset	570 if (d == device) {
1478 5dd2b854cc32 Restore 'found it' message - conditionally - from David Vrabel gthomas parents: 1467 diff changeset	571 #ifdef CYGPKG_IO_PCI_DEBUG
5dd2b854cc32 Restore 'found it' message - conditionally - from David Vrabel gthomas parents: 1467 diff changeset	572 diag_printf("Found it!\n");
5dd2b854cc32 Restore 'found it' message - conditionally - from David Vrabel gthomas parents: 1467 diff changeset	573 #endif
138 289bf90c6a9b Merge from eCos master repository on 2000-11-24-06:43:05-GMT jlarmour parents: 136 diff changeset	574 *devid = new_devid;
52 7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	575 return true;
138 289bf90c6a9b Merge from eCos master repository on 2000-11-24-06:43:05-GMT jlarmour parents: 136 diff changeset	576 }
52 7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	577 }
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	578
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	579 return false;
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	580 }
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	581
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	582 cyg_bool
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	583 cyg_pci_find_class( cyg_uint32 dev_class, cyg_pci_device_id *devid )
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	584 {
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	585 // Scan entire bus, check for matches on valid devices.
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	586 while (cyg_pci_find_next(*devid, devid)) {
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	587 cyg_uint8 bus = CYG_PCI_DEV_GET_BUS(*devid);
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	588 cyg_uint8 devfn = CYG_PCI_DEV_GET_DEVFN(*devid);
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	589 cyg_uint32 c;
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	590
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	591 // Check that class code matches.
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	592 cyg_pcihw_read_config_uint32(bus, devfn,
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	593 CYG_PCI_CFG_CLASS_REV, &c);
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	594 c >>= 8;
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	595 if (c == dev_class)
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	596 return true;
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	597 }
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	598
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	599 return false;
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	600 }
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	601
147 d397fc472bcf Merge from eCos master repository on 2001-01-05-06:43:02-GMT jlarmour parents: 143 diff changeset	602 cyg_bool
d397fc472bcf Merge from eCos master repository on 2001-01-05-06:43:02-GMT jlarmour parents: 143 diff changeset	603 cyg_pci_find_matching( cyg_pci_match_func *matchp,
d397fc472bcf Merge from eCos master repository on 2001-01-05-06:43:02-GMT jlarmour parents: 143 diff changeset	604 void * match_callback_data,
d397fc472bcf Merge from eCos master repository on 2001-01-05-06:43:02-GMT jlarmour parents: 143 diff changeset	605 cyg_pci_device_id *devid )
d397fc472bcf Merge from eCos master repository on 2001-01-05-06:43:02-GMT jlarmour parents: 143 diff changeset	606 {
d397fc472bcf Merge from eCos master repository on 2001-01-05-06:43:02-GMT jlarmour parents: 143 diff changeset	607 cyg_pci_device_id new_devid = *devid;
d397fc472bcf Merge from eCos master repository on 2001-01-05-06:43:02-GMT jlarmour parents: 143 diff changeset	608
d397fc472bcf Merge from eCos master repository on 2001-01-05-06:43:02-GMT jlarmour parents: 143 diff changeset	609 #ifdef CYGPKG_IO_PCI_DEBUG
182 f62680ef1804 Merge from eCos master repository on 2001-09-07-06:43:02-BST jlarmour parents: 148 diff changeset	610 diag_printf("cyg_pci_find_matching - func is at %x\n", (unsigned int)matchp);
147 d397fc472bcf Merge from eCos master repository on 2001-01-05-06:43:02-GMT jlarmour parents: 143 diff changeset	611 #endif
d397fc472bcf Merge from eCos master repository on 2001-01-05-06:43:02-GMT jlarmour parents: 143 diff changeset	612 // Scan entire bus, check for matches on valid devices.
d397fc472bcf Merge from eCos master repository on 2001-01-05-06:43:02-GMT jlarmour parents: 143 diff changeset	613 while (cyg_pci_find_next(new_devid, &new_devid)) {
d397fc472bcf Merge from eCos master repository on 2001-01-05-06:43:02-GMT jlarmour parents: 143 diff changeset	614 cyg_uint8 bus = CYG_PCI_DEV_GET_BUS(new_devid);
d397fc472bcf Merge from eCos master repository on 2001-01-05-06:43:02-GMT jlarmour parents: 143 diff changeset	615 cyg_uint8 devfn = CYG_PCI_DEV_GET_DEVFN(new_devid);
d397fc472bcf Merge from eCos master repository on 2001-01-05-06:43:02-GMT jlarmour parents: 143 diff changeset	616 cyg_uint16 v, d;
d397fc472bcf Merge from eCos master repository on 2001-01-05-06:43:02-GMT jlarmour parents: 143 diff changeset	617 cyg_uint32 c;
d397fc472bcf Merge from eCos master repository on 2001-01-05-06:43:02-GMT jlarmour parents: 143 diff changeset	618
d397fc472bcf Merge from eCos master repository on 2001-01-05-06:43:02-GMT jlarmour parents: 143 diff changeset	619 // Check that vendor, device and class match.
d397fc472bcf Merge from eCos master repository on 2001-01-05-06:43:02-GMT jlarmour parents: 143 diff changeset	620 cyg_pcihw_read_config_uint16(bus, devfn,
d397fc472bcf Merge from eCos master repository on 2001-01-05-06:43:02-GMT jlarmour parents: 143 diff changeset	621 CYG_PCI_CFG_VENDOR, &v);
d397fc472bcf Merge from eCos master repository on 2001-01-05-06:43:02-GMT jlarmour parents: 143 diff changeset	622 cyg_pcihw_read_config_uint16(bus, devfn,
d397fc472bcf Merge from eCos master repository on 2001-01-05-06:43:02-GMT jlarmour parents: 143 diff changeset	623 CYG_PCI_CFG_DEVICE, &d);
d397fc472bcf Merge from eCos master repository on 2001-01-05-06:43:02-GMT jlarmour parents: 143 diff changeset	624 cyg_pcihw_read_config_uint32(bus, devfn,
d397fc472bcf Merge from eCos master repository on 2001-01-05-06:43:02-GMT jlarmour parents: 143 diff changeset	625 CYG_PCI_CFG_CLASS_REV, &c);
d397fc472bcf Merge from eCos master repository on 2001-01-05-06:43:02-GMT jlarmour parents: 143 diff changeset	626 c >>= 8;
d397fc472bcf Merge from eCos master repository on 2001-01-05-06:43:02-GMT jlarmour parents: 143 diff changeset	627 #ifdef CYGPKG_IO_PCI_DEBUG
182 f62680ef1804 Merge from eCos master repository on 2001-09-07-06:43:02-BST jlarmour parents: 148 diff changeset	628 diag_printf("... PCI vendor = %x, device = %x, class %x\n", v, d, c);
147 d397fc472bcf Merge from eCos master repository on 2001-01-05-06:43:02-GMT jlarmour parents: 143 diff changeset	629 #endif
d397fc472bcf Merge from eCos master repository on 2001-01-05-06:43:02-GMT jlarmour parents: 143 diff changeset	630 // Check that device matches as the caller desires:
d397fc472bcf Merge from eCos master repository on 2001-01-05-06:43:02-GMT jlarmour parents: 143 diff changeset	631 if ( (*matchp)(v, d, c, match_callback_data) ) {
d397fc472bcf Merge from eCos master repository on 2001-01-05-06:43:02-GMT jlarmour parents: 143 diff changeset	632 *devid = new_devid;
d397fc472bcf Merge from eCos master repository on 2001-01-05-06:43:02-GMT jlarmour parents: 143 diff changeset	633 return true;
d397fc472bcf Merge from eCos master repository on 2001-01-05-06:43:02-GMT jlarmour parents: 143 diff changeset	634 }
d397fc472bcf Merge from eCos master repository on 2001-01-05-06:43:02-GMT jlarmour parents: 143 diff changeset	635 }
d397fc472bcf Merge from eCos master repository on 2001-01-05-06:43:02-GMT jlarmour parents: 143 diff changeset	636
d397fc472bcf Merge from eCos master repository on 2001-01-05-06:43:02-GMT jlarmour parents: 143 diff changeset	637 return false;
d397fc472bcf Merge from eCos master repository on 2001-01-05-06:43:02-GMT jlarmour parents: 143 diff changeset	638 }
d397fc472bcf Merge from eCos master repository on 2001-01-05-06:43:02-GMT jlarmour parents: 143 diff changeset	639
52 7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	640 //------------------------------------------------------------------------
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	641 // Resource Allocation
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	642
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	643 void
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	644 cyg_pci_set_memory_base(CYG_PCI_ADDRESS64 base)
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	645 {
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	646 cyg_pci_memory_base = base;
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	647 }
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	648
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	649 void
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	650 cyg_pci_set_io_base(CYG_PCI_ADDRESS32 base)
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	651 {
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	652 cyg_pci_io_base = base;
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	653 }
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	654
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	655 cyg_bool
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	656 cyg_pci_configure_device( cyg_pci_device *dev_info )
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	657 {
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	658 int bar;
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	659 cyg_uint32 flags;
136 a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 66 diff changeset	660 cyg_bool ret = true;
52 7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	661
136 a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 66 diff changeset	662 // If device is already active, just return true as
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 66 diff changeset	663 // cyg_pci_get_device_info has presumably filled in
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 66 diff changeset	664 // the base_map already.
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 66 diff changeset	665 if ((dev_info->command & CYG_PCI_CFG_COMMAND_ACTIVE) != 0)
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 66 diff changeset	666 return true;
52 7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	667
136 a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 66 diff changeset	668 if (dev_info->num_bars > 0) {
1366 97946fc092d5 * src/pci.c : Additional changes in cyg_pci_get_device_info, asl parents: 1254 diff changeset	669 for (bar = 0; bar < CYG_PCI_MAX_BAR; bar++) {
97946fc092d5 * src/pci.c : Additional changes in cyg_pci_get_device_info, asl parents: 1254 diff changeset	670 if (!dev_info->base_address[bar]) {
97946fc092d5 * src/pci.c : Additional changes in cyg_pci_get_device_info, asl parents: 1254 diff changeset	671 continue;
97946fc092d5 * src/pci.c : Additional changes in cyg_pci_get_device_info, asl parents: 1254 diff changeset	672 }
136 a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 66 diff changeset	673 flags = dev_info->base_size[bar];
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 66 diff changeset	674
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 66 diff changeset	675 ret = false;
52 7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	676
136 a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 66 diff changeset	677 if ((flags & CYG_PCI_CFG_BAR_SPACE_MASK) == CYG_PCI_CFG_BAR_SPACE_MEM){
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 66 diff changeset	678 ret \|= cyg_pci_allocate_memory(dev_info, bar,
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 66 diff changeset	679 &cyg_pci_memory_base);
52 7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	680
136 a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 66 diff changeset	681 // If this is a 64bit memory region, skip the next bar
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 66 diff changeset	682 // since it will contain the top 32 bits.
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 66 diff changeset	683 if (flags & CYG_PRI_CFG_BAR_MEM_TYPE_64)
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 66 diff changeset	684 bar++;
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 66 diff changeset	685 } else
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 66 diff changeset	686 ret \|= cyg_pci_allocate_io(dev_info, bar, &cyg_pci_io_base);
52 7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	687
136 a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 66 diff changeset	688 if (!ret)
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 66 diff changeset	689 return ret;
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 66 diff changeset	690 }
52 7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	691 }
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	692
136 a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 66 diff changeset	693 cyg_pci_translate_interrupt(dev_info, &dev_info->hal_vector);
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 66 diff changeset	694
52 7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	695 return ret;
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	696 }
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	697
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	698 // This is the function that handles resource allocation. It doesn't
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	699 // affect the device state.
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	700 // Should not be called with top32bit-bar of a 64bit pair.
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	701 inline cyg_bool
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	702 cyg_pci_allocate_memory_priv( cyg_pci_device *dev_info, cyg_uint32 bar,
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	703 CYG_PCI_ADDRESS64 *base,
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	704 CYG_PCI_ADDRESS64 *assigned_addr)
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	705 {
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	706 cyg_uint32 mem_type, flags;
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	707 CYG_PCI_ADDRESS64 size, aligned_addr;
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	708
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	709 // Get the probed size and flags
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	710 flags = dev_info->base_size[bar];
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	711
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	712 // Decode size
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	713 size = (CYG_PCI_ADDRESS64) ((~(flags & CYG_PRI_CFG_BAR_MEM_MASK))+1);
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	714
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	715 // Calculate address we will assign the device.
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	716 // This can be made more clever, specifically:
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	717 // 1) The lowest 1MB should be reserved for devices with 1M memory type.
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	718 // : Needs to be handled.
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	719 // 2) The low 32bit space should be reserved for devices with 32bit type.
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	720 // : With the usual handful of devices it is unlikely that the
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	721 // low 4GB space will become full.
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	722 // 3) A bitmap can be used to avoid fragmentation.
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	723 // : Again, unlikely to be necessary.
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	724 //
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	725 // For now, simply align to required size.
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	726 aligned_addr = (*base+size-1) & ~(size-1);
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	727
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	728 // Is the request for memory space?
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	729 if (CYG_PCI_CFG_BAR_SPACE_MEM != (flags & CYG_PCI_CFG_BAR_SPACE_MASK))
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	730 return false;
136 a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 66 diff changeset	731
52 7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	732 // Check type of memory requested...
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	733 mem_type = CYG_PRI_CFG_BAR_MEM_TYPE_MASK & flags;
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	734
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	735 // We don't handle <1MB devices optimally yet.
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	736 if (CYG_PRI_CFG_BAR_MEM_TYPE_1M == mem_type
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	737 && (aligned_addr + size) > 1024*1024)
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	738 return false;
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	739
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	740 // Update the resource pointer and return values.
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	741 *base = aligned_addr+size;
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	742 *assigned_addr = aligned_addr;
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	743
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	744 dev_info->base_map[bar] = (cyg_uint32)
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	745 (aligned_addr+HAL_PCI_PHYSICAL_MEMORY_BASE) & 0xffffffff;
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	746
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	747 // If a 64bit region, store upper 32 bits in the next bar.
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	748 // Note: The CPU is not necessarily able to access the region
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	749 // linearly - it may have to do it in segments. Driver must handle that.
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	750 if (CYG_PRI_CFG_BAR_MEM_TYPE_64 == mem_type) {
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	751 dev_info->base_map[bar+1] = (cyg_uint32)
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	752 ((aligned_addr+HAL_PCI_PHYSICAL_MEMORY_BASE) >> 32) & 0xffffffff;
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	753 }
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	754
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	755 return true;
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	756 }
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	757
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	758 cyg_bool
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	759 cyg_pci_allocate_memory( cyg_pci_device *dev_info, cyg_uint32 bar,
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	760 CYG_PCI_ADDRESS64 *base)
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	761 {
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	762 cyg_uint8 bus = CYG_PCI_DEV_GET_BUS(dev_info->devid);
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	763 cyg_uint8 devfn = CYG_PCI_DEV_GET_DEVFN(dev_info->devid);
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	764 CYG_PCI_ADDRESS64 assigned_addr;
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	765 cyg_bool ret;
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	766
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	767 // Check that device is inactive.
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	768 if ((dev_info->command & CYG_PCI_CFG_COMMAND_ACTIVE) != 0)
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	769 return false;
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	770
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	771 // Allocate memory space for the device.
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	772 ret = cyg_pci_allocate_memory_priv(dev_info, bar, base, &assigned_addr);
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	773
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	774 if (ret) {
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	775 // Map the device and update the BAR in the dev_info structure.
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	776 cyg_pcihw_write_config_uint32(bus, devfn,
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	777 CYG_PCI_CFG_BAR_BASE+4*bar,
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	778 (cyg_uint32)
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	779 (assigned_addr & 0xffffffff));
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	780 cyg_pcihw_read_config_uint32(bus, devfn,
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	781 CYG_PCI_CFG_BAR_BASE+4*bar,
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	782 &dev_info->base_address[bar]);
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	783
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	784 // Handle upper 32 bits if necessary.
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	785 if (dev_info->base_size[bar] & CYG_PRI_CFG_BAR_MEM_TYPE_64) {
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	786 cyg_pcihw_write_config_uint32(bus, devfn,
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	787 CYG_PCI_CFG_BAR_BASE+4*(bar+1),
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	788 (cyg_uint32)
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	789 ((assigned_addr >> 32)& 0xffffffff));
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	790 cyg_pcihw_read_config_uint32(bus, devfn,
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	791 CYG_PCI_CFG_BAR_BASE+4*(bar+1),
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	792 &dev_info->base_address[bar+1]);
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	793 }
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	794 }
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	795
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	796 return ret;
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	797 }
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	798
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	799 cyg_bool
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	800 cyg_pci_allocate_io_priv( cyg_pci_device *dev_info, cyg_uint32 bar,
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	801 CYG_PCI_ADDRESS32 *base,
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	802 CYG_PCI_ADDRESS32 *assigned_addr)
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	803 {
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	804 cyg_uint32 flags, size;
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	805 CYG_PCI_ADDRESS32 aligned_addr;
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	806
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	807 // Get the probed size and flags
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	808 flags = dev_info->base_size[bar];
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	809
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	810 // Decode size
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	811 size = (~(flags & CYG_PRI_CFG_BAR_IO_MASK))+1;
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	812
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	813 // Calculate address we will assign the device.
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	814 // This can be made more clever.
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	815 // For now, simply align to required size.
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	816 aligned_addr = (*base+size-1) & ~(size-1);
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	817
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	818 // Is the request for IO space?
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	819 if (CYG_PCI_CFG_BAR_SPACE_IO != (flags & CYG_PCI_CFG_BAR_SPACE_MASK))
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	820 return false;
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	821
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	822 // Update the resource pointer and return values.
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	823 *base = aligned_addr+size;
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	824 dev_info->base_map[bar] = aligned_addr+HAL_PCI_PHYSICAL_IO_BASE;
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	825 *assigned_addr = aligned_addr;
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	826
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	827 return true;
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	828 }
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	829
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	830
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	831 cyg_bool
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	832 cyg_pci_allocate_io( cyg_pci_device *dev_info, cyg_uint32 bar,
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	833 CYG_PCI_ADDRESS32 *base)
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	834 {
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	835 cyg_uint8 bus = CYG_PCI_DEV_GET_BUS(dev_info->devid);
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	836 cyg_uint8 devfn = CYG_PCI_DEV_GET_DEVFN(dev_info->devid);
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	837 CYG_PCI_ADDRESS32 assigned_addr;
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	838 cyg_bool ret;
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	839
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	840 // Check that device is inactive.
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	841 if ((dev_info->command & CYG_PCI_CFG_COMMAND_ACTIVE) != 0)
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	842 return false;
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	843
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	844 // Allocate IO space for the device.
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	845 ret = cyg_pci_allocate_io_priv(dev_info, bar, base, &assigned_addr);
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	846
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	847 if (ret) {
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	848 // Map the device and update the BAR in the dev_info structure.
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	849 cyg_pcihw_write_config_uint32(bus, devfn,
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	850 CYG_PCI_CFG_BAR_BASE+4*bar,
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	851 assigned_addr);
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	852 cyg_pcihw_read_config_uint32(bus, devfn,
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	853 CYG_PCI_CFG_BAR_BASE+4*bar,
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	854 &dev_info->base_address[bar]);
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	855 }
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	856
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	857 return ret;
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	858 }
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	859
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	860 cyg_bool
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	861 cyg_pci_translate_interrupt( cyg_pci_device *dev_info,
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	862 CYG_ADDRWORD *vec )
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	863 {
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	864 cyg_uint8 bus = CYG_PCI_DEV_GET_BUS(dev_info->devid);
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	865 cyg_uint8 devfn = CYG_PCI_DEV_GET_DEVFN(dev_info->devid);
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	866
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	867 return cyg_pcihw_translate_interrupt(bus, devfn, vec);
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	868 }
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	869
136 a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 66 diff changeset	870
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 66 diff changeset	871 // Initialize devices on a given bus and all subordinate busses.
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 66 diff changeset	872 cyg_bool
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 66 diff changeset	873 cyg_pci_configure_bus( cyg_uint8 bus,
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 66 diff changeset	874 cyg_uint8 *next_bus )
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 66 diff changeset	875 {
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 66 diff changeset	876 cyg_uint8 devfn, header_type;
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 66 diff changeset	877 cyg_pci_device_id devid;
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 66 diff changeset	878 cyg_pci_device dev_info;
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 66 diff changeset	879
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 66 diff changeset	880 CYG_PCI_ADDRESS64 mem_start, mem_limit, mem_base;
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 66 diff changeset	881 CYG_PCI_ADDRESS32 io_start, io_limit, io_base;
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 66 diff changeset	882
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 66 diff changeset	883 // Scan only this bus for valid devices.
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 66 diff changeset	884 devid = CYG_PCI_DEV_MAKE_ID(bus, 0) \| CYG_PCI_NULL_DEVFN;
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 66 diff changeset	885
143 6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 138 diff changeset	886 #ifdef CYGPKG_IO_PCI_DEBUG
182 f62680ef1804 Merge from eCos master repository on 2001-09-07-06:43:02-BST jlarmour parents: 148 diff changeset	887 diag_printf("Configuring bus %d.\n", bus);
136 a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 66 diff changeset	888 #endif
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 66 diff changeset	889
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 66 diff changeset	890 while (cyg_pci_find_next(devid, &devid) && bus == CYG_PCI_DEV_GET_BUS(devid)) {
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 66 diff changeset	891
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 66 diff changeset	892 devfn = CYG_PCI_DEV_GET_DEVFN(devid);
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 66 diff changeset	893
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 66 diff changeset	894 // Get the device info
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 66 diff changeset	895 cyg_pci_get_device_info(devid, &dev_info);
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 66 diff changeset	896
143 6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 138 diff changeset	897 #ifdef CYGPKG_IO_PCI_DEBUG
182 f62680ef1804 Merge from eCos master repository on 2001-09-07-06:43:02-BST jlarmour parents: 148 diff changeset	898 diag_printf("\n");
f62680ef1804 Merge from eCos master repository on 2001-09-07-06:43:02-BST jlarmour parents: 148 diff changeset	899 diag_printf("Configuring PCI Bus : %d\n", bus);
f62680ef1804 Merge from eCos master repository on 2001-09-07-06:43:02-BST jlarmour parents: 148 diff changeset	900 diag_printf(" PCI Device: %d\n", CYG_PCI_DEV_GET_DEV(devfn));
f62680ef1804 Merge from eCos master repository on 2001-09-07-06:43:02-BST jlarmour parents: 148 diff changeset	901 diag_printf(" PCI Func : %d\n", CYG_PCI_DEV_GET_FN(devfn));
f62680ef1804 Merge from eCos master repository on 2001-09-07-06:43:02-BST jlarmour parents: 148 diff changeset	902 diag_printf(" Vendor Id : 0x%08X\n", dev_info.vendor);
f62680ef1804 Merge from eCos master repository on 2001-09-07-06:43:02-BST jlarmour parents: 148 diff changeset	903 diag_printf(" Device Id : 0x%08X\n", dev_info.device);
136 a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 66 diff changeset	904 #endif
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 66 diff changeset	905
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 66 diff changeset	906 header_type = dev_info.header_type & CYG_PCI_CFG_HEADER_TYPE_MASK;
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 66 diff changeset	907
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 66 diff changeset	908 // Check for supported header types.
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 66 diff changeset	909 if (header_type != CYG_PCI_HEADER_NORMAL &&
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 66 diff changeset	910 header_type != CYG_PCI_HEADER_BRIDGE) {
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 66 diff changeset	911 CYG_FAIL("Unsupported PCI header type");
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 66 diff changeset	912 continue;
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 66 diff changeset	913 }
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 66 diff changeset	914
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 66 diff changeset	915 // Only PCI-to-PCI bridges
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 66 diff changeset	916 if (header_type == CYG_PCI_HEADER_BRIDGE &&
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 66 diff changeset	917 (dev_info.class_rev >> 8) != CYG_PCI_CLASS_BRIDGE_PCI_PCI) {
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 66 diff changeset	918 CYG_FAIL("Unsupported PCI bridge class");
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 66 diff changeset	919 continue;
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 66 diff changeset	920 }
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 66 diff changeset	921
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 66 diff changeset	922 // Configure the base registers
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 66 diff changeset	923 if (!cyg_pci_configure_device(&dev_info)) {
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 66 diff changeset	924 // Apparently out of resources.
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 66 diff changeset	925 CYG_FAIL("cyg_pci_configure_device failed");
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 66 diff changeset	926 break;
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 66 diff changeset	927 }
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 66 diff changeset	928
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 66 diff changeset	929 // Activate non-bridge devices.
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 66 diff changeset	930 if (header_type != CYG_PCI_HEADER_BRIDGE) {
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 66 diff changeset	931 dev_info.command \|= (CYG_PCI_CFG_COMMAND_IO // enable I/O space
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 66 diff changeset	932 \| CYG_PCI_CFG_COMMAND_MEMORY // enable memory space
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 66 diff changeset	933 \| CYG_PCI_CFG_COMMAND_MASTER); // enable bus master
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 66 diff changeset	934 cyg_pci_write_config_uint16(dev_info.devid, CYG_PCI_CFG_COMMAND, dev_info.command);
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 66 diff changeset	935 } else {
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 66 diff changeset	936 // Bridge Configuration
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 66 diff changeset	937
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 66 diff changeset	938 // Set up the bus numbers that define the bridge
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 66 diff changeset	939 dev_info.header.bridge.pri_bus = bus;
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 66 diff changeset	940 cyg_pcihw_write_config_uint8(bus, devfn, CYG_PCI_CFG_PRI_BUS,
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 66 diff changeset	941 dev_info.header.bridge.pri_bus);
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 66 diff changeset	942
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 66 diff changeset	943 dev_info.header.bridge.sec_bus = *next_bus;
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 66 diff changeset	944 cyg_pcihw_write_config_uint8(bus, devfn, CYG_PCI_CFG_SEC_BUS,
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 66 diff changeset	945 dev_info.header.bridge.sec_bus);
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 66 diff changeset	946
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 66 diff changeset	947 // Temporarily set to maximum so config cycles get passed along.
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 66 diff changeset	948 dev_info.header.bridge.sub_bus = CYG_PCI_MAX_BUS - 1;
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 66 diff changeset	949 cyg_pcihw_write_config_uint8(bus, devfn, CYG_PCI_CFG_SUB_BUS,
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 66 diff changeset	950 dev_info.header.bridge.sub_bus);
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 66 diff changeset	951
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 66 diff changeset	952 // increment bus counter
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 66 diff changeset	953 *next_bus += 1;
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 66 diff changeset	954
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 66 diff changeset	955 // To figure the sizes of the memory and I/O windows, save the
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 66 diff changeset	956 // current base of memory and I/O before configuring the bus
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 66 diff changeset	957 // or busses on the secondary side of the bridge. After the
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 66 diff changeset	958 // secondary side is configured, the difference between the
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 66 diff changeset	959 // current values and saved values will tell the size.
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 66 diff changeset	960
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 66 diff changeset	961 // For bridges, the memory window must start and end on a 1M
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 66 diff changeset	962 // boundary and the I/O window must start and end on a 4K
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 66 diff changeset	963 // boundary. We round up the mem and I/O allocation bases
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 66 diff changeset	964 // to appropriate boundaries before configuring the secondary
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 66 diff changeset	965 // bus. Save the pre-rounded values in case no mem or I/O
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 66 diff changeset	966 // is needed we can recover any space lost due to rounding.
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 66 diff changeset	967
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 66 diff changeset	968 // round up start of PCI memory space to a 1M boundary
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 66 diff changeset	969 mem_base = cyg_pci_memory_base;
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 66 diff changeset	970 cyg_pci_memory_base += 0xfffff;
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 66 diff changeset	971 cyg_pci_memory_base &= ~0xfffff;
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 66 diff changeset	972 mem_start = cyg_pci_memory_base;
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 66 diff changeset	973
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 66 diff changeset	974 // round up start of PCI I/O space to a 4 Kbyte start address
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 66 diff changeset	975 io_base = cyg_pci_io_base;
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 66 diff changeset	976 cyg_pci_io_base += 0xfff;
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 66 diff changeset	977 cyg_pci_io_base &= ~0xfff;
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 66 diff changeset	978 io_start = cyg_pci_io_base;
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 66 diff changeset	979
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 66 diff changeset	980 // configure the subordinate PCI bus
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 66 diff changeset	981 cyg_pci_configure_bus (dev_info.header.bridge.sec_bus, next_bus);
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 66 diff changeset	982
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 66 diff changeset	983 // set subordinate bus number to last assigned bus number
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 66 diff changeset	984 dev_info.header.bridge.sub_bus = *next_bus - 1;
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 66 diff changeset	985 cyg_pcihw_write_config_uint8(bus, devfn, CYG_PCI_CFG_SUB_BUS,
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 66 diff changeset	986 dev_info.header.bridge.sub_bus);
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 66 diff changeset	987
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 66 diff changeset	988 // Did sub bus configuration use any I/O?
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 66 diff changeset	989 if (cyg_pci_io_base > io_start) {
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 66 diff changeset	990
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 66 diff changeset	991 // round up end of bridge's I/O space to a 4K boundary
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 66 diff changeset	992 cyg_pci_io_base += 0xfff;
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 66 diff changeset	993 cyg_pci_io_base &= ~0xfff;
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 66 diff changeset	994 io_limit = cyg_pci_io_base - 0x1000;
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 66 diff changeset	995
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 66 diff changeset	996 // Enable I/O cycles across bridge
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 66 diff changeset	997 dev_info.command \|= CYG_PCI_CFG_COMMAND_IO;
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 66 diff changeset	998
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 66 diff changeset	999 // 32 Bit I/O?
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 66 diff changeset	1000 if ((dev_info.header.bridge.io_base & 0x0f) == 0x01) {
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 66 diff changeset	1001 // I/O Base Upper 16 Bits Register
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 66 diff changeset	1002 dev_info.header.bridge.io_base_upper16 = io_start >> 16;
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 66 diff changeset	1003 cyg_pcihw_write_config_uint16(bus, devfn, CYG_PCI_CFG_IO_BASE_UPPER16,
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 66 diff changeset	1004 dev_info.header.bridge.io_base_upper16);
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 66 diff changeset	1005 // I/O Limit Upper 16 Bits Register
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 66 diff changeset	1006 dev_info.header.bridge.io_limit_upper16 = io_limit >> 16;
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 66 diff changeset	1007 cyg_pcihw_write_config_uint16(bus, devfn, CYG_PCI_CFG_IO_LIMIT_UPPER16,
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 66 diff changeset	1008 dev_info.header.bridge.io_limit_upper16);
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 66 diff changeset	1009 }
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 66 diff changeset	1010
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 66 diff changeset	1011 // I/O Base Register
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 66 diff changeset	1012 dev_info.header.bridge.io_base = (io_start & 0xf000) >> 8;
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 66 diff changeset	1013 cyg_pcihw_write_config_uint8(bus, devfn, CYG_PCI_CFG_IO_BASE,
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 66 diff changeset	1014 dev_info.header.bridge.io_base);
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 66 diff changeset	1015 // I/O Limit Register
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 66 diff changeset	1016 dev_info.header.bridge.io_limit = (io_limit & 0xf000) >> 8;
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 66 diff changeset	1017 cyg_pcihw_write_config_uint8(bus, devfn, CYG_PCI_CFG_IO_LIMIT,
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 66 diff changeset	1018 dev_info.header.bridge.io_limit);
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 66 diff changeset	1019
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 66 diff changeset	1020 } else {
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 66 diff changeset	1021 // No I/O space used on secondary bus.
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 66 diff changeset	1022 // Recover any space lost on unnecessary rounding
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 66 diff changeset	1023 cyg_pci_io_base = io_base;
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 66 diff changeset	1024 }
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 66 diff changeset	1025
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 66 diff changeset	1026 // Did sub bus configuration use any memory?
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 66 diff changeset	1027 if (cyg_pci_memory_base > mem_start) {
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 66 diff changeset	1028
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 66 diff changeset	1029 // round up end of bridge's PCI memory space to a 1M boundary
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 66 diff changeset	1030 cyg_pci_memory_base += 0xfffff;
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 66 diff changeset	1031 cyg_pci_memory_base &= ~0xfffff;
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 66 diff changeset	1032 mem_limit = cyg_pci_memory_base - 0x100000;
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 66 diff changeset	1033
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 66 diff changeset	1034 // Enable memory cycles across bridge
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 66 diff changeset	1035 dev_info.command \|= CYG_PCI_CFG_COMMAND_MEMORY;
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 66 diff changeset	1036
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 66 diff changeset	1037 // Memory Base Register
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 66 diff changeset	1038 dev_info.header.bridge.mem_base = (mem_start >> 16) & 0xfff0;
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 66 diff changeset	1039 cyg_pcihw_write_config_uint16(bus, devfn, CYG_PCI_CFG_MEM_BASE,
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 66 diff changeset	1040 dev_info.header.bridge.mem_base);
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 66 diff changeset	1041
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 66 diff changeset	1042 // Memory Limit Register
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 66 diff changeset	1043 dev_info.header.bridge.mem_limit = (mem_limit >> 16) & 0xfff0;
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 66 diff changeset	1044 cyg_pcihw_write_config_uint16(bus, devfn, CYG_PCI_CFG_MEM_LIMIT,
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 66 diff changeset	1045 dev_info.header.bridge.mem_limit);
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 66 diff changeset	1046
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 66 diff changeset	1047 // Prefetchable memory not yet supported across bridges.
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 66 diff changeset	1048 // Disable by making limit < base
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 66 diff changeset	1049 {
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 66 diff changeset	1050 cyg_uint16 tmp_word;
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 66 diff changeset	1051
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 66 diff changeset	1052 tmp_word = 0;
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 66 diff changeset	1053 cyg_pcihw_write_config_uint16(bus, devfn, CYG_PCI_CFG_PREFETCH_LIMIT,
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 66 diff changeset	1054 tmp_word);
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 66 diff changeset	1055 tmp_word = 0xfff0;
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 66 diff changeset	1056 cyg_pcihw_write_config_uint16(bus, devfn, CYG_PCI_CFG_PREFETCH_BASE,
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 66 diff changeset	1057 tmp_word);
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 66 diff changeset	1058 }
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 66 diff changeset	1059 } else {
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 66 diff changeset	1060 // No memory space used on secondary bus.
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 66 diff changeset	1061 // Recover any space lost on unnecessary rounding
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 66 diff changeset	1062 cyg_pci_memory_base = mem_base;
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 66 diff changeset	1063 }
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 66 diff changeset	1064
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 66 diff changeset	1065 // Setup the bridge command register
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 66 diff changeset	1066 dev_info.command \|= CYG_PCI_CFG_COMMAND_MASTER;
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 66 diff changeset	1067 dev_info.command \|= CYG_PCI_CFG_COMMAND_SERR;
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 66 diff changeset	1068 cyg_pcihw_write_config_uint16(bus, devfn, CYG_PCI_CFG_COMMAND,
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 66 diff changeset	1069 dev_info.command);
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 66 diff changeset	1070
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 66 diff changeset	1071 /* Setup the Bridge Control Register */
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 66 diff changeset	1072 dev_info.header.bridge.control \|= CYG_PCI_CFG_BRIDGE_CTL_PARITY;
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 66 diff changeset	1073 dev_info.header.bridge.control \|= CYG_PCI_CFG_BRIDGE_CTL_SERR;
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 66 diff changeset	1074 dev_info.header.bridge.control \|= CYG_PCI_CFG_BRIDGE_CTL_MASTER;
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 66 diff changeset	1075 cyg_pcihw_write_config_uint16(bus, devfn, CYG_PCI_CFG_BRIDGE_CONTROL,
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 66 diff changeset	1076 dev_info.header.bridge.control);
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 66 diff changeset	1077 }
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 66 diff changeset	1078 }
143 6b5f480c6929 Merge from eCos master repository on 2000-12-08-02:09:36-GMT jlarmour parents: 138 diff changeset	1079 #ifdef CYGPKG_IO_PCI_DEBUG
182 f62680ef1804 Merge from eCos master repository on 2001-09-07-06:43:02-BST jlarmour parents: 148 diff changeset	1080 diag_printf("Finished configuring bus %d.\n", bus);
136 a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 66 diff changeset	1081 #endif
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 66 diff changeset	1082
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 66 diff changeset	1083 return true;
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 66 diff changeset	1084 }
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 66 diff changeset	1085
a9ac27ec7abc Merge from eCos master repository on 2000-11-17-18:24:25-GMT jlarmour parents: 66 diff changeset	1086
52 7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	1087 #endif // ifdef CYG_PCI_PRESENT
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	1088
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	1089 //-----------------------------------------------------------------------------
7b011d1ab50f Merge from eCos master repository on 1999-11-05-17:34:28-GMT jlarmour parents: diff changeset	1090 // end of pci.c

Mercurial > flash_v2

annotate packages/io/pci/current/src/pci.c @ 1777:c16341b1bac6 default tip