ecos: packages/devs/eth/powerpc/fec/current/src/if

annotate packages/devs/eth/powerpc/fec/current/src/if_fec.c @ 210:d2c90368aeef

Merge from eCos master repository on 2002-05-23-21:39:14-BST

author	jlarmour
date	Thu, 23 May 2002 22:59:51 +0000
parents	e0c0827131d1
children	94b558c9fb67

rev	line source
159 511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	1 //==========================================================================
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	2 //
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	3 // dev/if_fec.c
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	4 //
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	5 // Fast ethernet device driver for PowerPC MPC8xxT boards
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	6 //
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	7 //==========================================================================
208 e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 182 diff changeset	8 //####ECOSGPLCOPYRIGHTBEGIN####
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 182 diff changeset	9 // -------------------------------------------
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 182 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: 182 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: 182 diff changeset	12 //
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 182 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: 182 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: 182 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: 182 diff changeset	16 //
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 182 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: 182 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: 182 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: 182 diff changeset	20 // for more details.
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 182 diff changeset	21 //
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 182 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: 182 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: 182 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: 182 diff changeset	25 //
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 182 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: 182 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: 182 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: 182 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: 182 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: 182 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: 182 diff changeset	32 //
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 182 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: 182 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: 182 diff changeset	35 //
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 182 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: 182 diff changeset	38 // -------------------------------------------
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 182 diff changeset	39 //####ECOSGPLCOPYRIGHTEND####
159 511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	40 //==========================================================================
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	41 //#####DESCRIPTIONBEGIN####
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	42 //
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	43 // Author(s): gthomas
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	44 // Contributors: gthomas
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	45 // Date: 2001-01-21
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	46 // Purpose:
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	47 // Description: hardware driver for MPC8xxT FEC
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	48 //
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	49 //
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	50 //####DESCRIPTIONEND####
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	51 //
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	52 //==========================================================================
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	53
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	54 // Ethernet device driver for MPC8xx FEC
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	55
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	56 #include <pkgconf/system.h>
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	57 #include <pkgconf/devs_eth_powerpc_fec.h>
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	58
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	59 #ifdef CYGPKG_NET
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	60 #include <pkgconf/net.h>
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	61 #endif
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	62
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	63 #include <cyg/infra/cyg_type.h>
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	64 #include <cyg/infra/diag.h>
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	65
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	66 #include <cyg/hal/hal_arch.h>
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	67 #include <cyg/hal/hal_cache.h>
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	68 #include <cyg/hal/hal_intr.h>
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	69 #include <cyg/hal/drv_api.h>
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	70 #include <cyg/hal/hal_if.h>
165 d63db767121d Merge from eCos master repository on 2001-06-29-06:43:03-BST jlarmour parents: 159 diff changeset	71 #include <cyg/hal/ppc_regs.h>
159 511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	72
208 e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 182 diff changeset	73 #include <cyg/io/eth/netdev.h>
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 182 diff changeset	74 #include <cyg/io/eth/eth_drv.h>
159 511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	75
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	76 #include "fec.h"
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	77
208 e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 182 diff changeset	78 // Define this to force the buffer descriptors into the EPPC memory
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 182 diff changeset	79 #define FEC_USE_EPPC_BD
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 182 diff changeset	80
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 182 diff changeset	81 #ifndef FEC_USE_EPPC_BD
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 182 diff changeset	82 static struct fec_bd fec_eth_rxring[CYGNUM_DEVS_ETH_POWERPC_FEC_RxNUM];
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 182 diff changeset	83 static struct fec_bd fec_eth_txring[CYGNUM_DEVS_ETH_POWERPC_FEC_TxNUM];
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 182 diff changeset	84 #endif
159 511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	85 static unsigned char fec_eth_rxbufs[CYGNUM_DEVS_ETH_POWERPC_FEC_RxNUM+1]
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	86 [CYGNUM_DEVS_ETH_POWERPC_FEC_BUFSIZE];
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	87 static unsigned char fec_eth_txbufs[CYGNUM_DEVS_ETH_POWERPC_FEC_TxNUM+1]
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	88 [CYGNUM_DEVS_ETH_POWERPC_FEC_BUFSIZE];
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	89
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	90 static struct fec_eth_info fec_eth0_info;
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	91 static unsigned char _default_enaddr[] = { 0x08, 0x00, 0x3E, 0x28, 0x7A, 0xBA};
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	92 static unsigned char enaddr[6];
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	93 #ifdef CYGPKG_REDBOOT
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	94 #include <pkgconf/redboot.h>
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	95 #ifdef CYGSEM_REDBOOT_FLASH_CONFIG
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	96 #include <redboot.h>
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	97 #include <flash_config.h>
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	98 RedBoot_config_option("Network hardware address [MAC]",
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	99 fec_esa,
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	100 ALWAYS_ENABLED, true,
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	101 CONFIG_ESA, 0
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	102 );
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	103 #endif
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	104 #endif
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	105
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	106 #define os_printf diag_printf
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	107
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	108 // For fetching the ESA from RedBoot
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	109 #include <cyg/hal/hal_if.h>
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	110 #ifndef CONFIG_ESA
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	111 #define CONFIG_ESA 6
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	112 #endif
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	113
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	114 ETH_DRV_SC(fec_eth0_sc,
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	115 &fec_eth0_info, // Driver specific data
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	116 "eth0", // Name for this interface
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	117 fec_eth_start,
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	118 fec_eth_stop,
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	119 fec_eth_control,
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	120 fec_eth_can_send,
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	121 fec_eth_send,
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	122 fec_eth_recv,
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	123 fec_eth_deliver,
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	124 fec_eth_int,
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	125 fec_eth_int_vector);
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	126
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	127 NETDEVTAB_ENTRY(fec_netdev,
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	128 "fec_eth",
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	129 fec_eth_init,
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	130 &fec_eth0_sc);
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	131
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	132 #ifdef CYGPKG_NET
208 e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 182 diff changeset	133 #define _FEC_USE_INTS
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 182 diff changeset	134 #ifdef _FEC_USE_INTS
159 511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	135 static cyg_interrupt fec_eth_interrupt;
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	136 static cyg_handle_t fec_eth_interrupt_handle;
208 e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 182 diff changeset	137 #else
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 182 diff changeset	138 #define STACK_SIZE CYGNUM_HAL_STACK_SIZE_MINIMUM
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 182 diff changeset	139 static char fec_fake_int_stack[STACK_SIZE];
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 182 diff changeset	140 static cyg_thread fec_fake_int_thread_data;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 182 diff changeset	141 static cyg_handle_t fec_fake_int_thread_handle;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 182 diff changeset	142 static void fec_fake_int(cyg_addrword_t);
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 182 diff changeset	143 #endif // _FEC_USE_INTS
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 182 diff changeset	144 #endif // CYGPKG_NET
159 511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	145 static void fec_eth_int(struct eth_drv_sc *data);
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	146
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	147 #define FEC_ETH_INT CYGNUM_HAL_INTERRUPT_SIU_LVL1
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	148
208 e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 182 diff changeset	149 #ifdef CYGPKG_HAL_POWERPC_VIPER
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 182 diff changeset	150 extern int hal_viper_get_led(void);
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 182 diff changeset	151 extern void hal_viper_set_led(int);
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 182 diff changeset	152 #define _get_led() hal_viper_get_led()
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 182 diff changeset	153 #define _set_led(v) hal_viper_set_led(v)
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 182 diff changeset	154 #else
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 182 diff changeset	155 #define _get_led()
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 182 diff changeset	156 #define _set_led(v)
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 182 diff changeset	157 #endif
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 182 diff changeset	158
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 182 diff changeset	159 #define LED_TxACTIVE 7
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 182 diff changeset	160 #define LED_RxACTIVE 6
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 182 diff changeset	161 #define LED_IntACTIVE 5
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 182 diff changeset	162
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 182 diff changeset	163 static void
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 182 diff changeset	164 set_led(int bit)
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 182 diff changeset	165 {
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 182 diff changeset	166 _set_led(_get_led() \| (1<<bit));
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 182 diff changeset	167 }
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 182 diff changeset	168
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 182 diff changeset	169 static void
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 182 diff changeset	170 clear_led(int bit)
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 182 diff changeset	171 {
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 182 diff changeset	172 _set_led(_get_led() & ~(1<<bit));
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 182 diff changeset	173 }
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 182 diff changeset	174
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 182 diff changeset	175 #ifdef _FEC_USE_INTS
159 511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	176 // This ISR is called when the ethernet interrupt occurs
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	177 static int
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	178 fec_eth_isr(cyg_vector_t vector, cyg_addrword_t data, HAL_SavedRegisters *regs)
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	179 {
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	180 cyg_drv_interrupt_mask(FEC_ETH_INT);
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	181 return (CYG_ISR_HANDLED\|CYG_ISR_CALL_DSR); // Run the DSR
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	182 }
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	183 #endif
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	184
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	185 // Deliver function (ex-DSR) handles the ethernet [logical] processing
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	186 static void
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	187 fec_eth_deliver(struct eth_drv_sc * sc)
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	188 {
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	189 fec_eth_int(sc);
208 e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 182 diff changeset	190 #ifdef _FEC_USE_INTS
159 511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	191 // Allow interrupts to happen again
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	192 cyg_drv_interrupt_acknowledge(FEC_ETH_INT);
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	193 cyg_drv_interrupt_unmask(FEC_ETH_INT);
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	194 #endif
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	195 }
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	196
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	197 //
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	198 // PHY unit access (via MII channel)
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	199 //
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	200 static void
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	201 phy_write(int reg, int addr, unsigned short data)
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	202 {
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	203 volatile EPPC eppc = (volatile EPPC )eppc_base();
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	204 volatile struct fec fec = (volatile struct fec )((unsigned char *)eppc + FEC_OFFSET);
208 e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 182 diff changeset	205 int timeout = 0x100000;
159 511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	206
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	207 fec->iEvent = iEvent_MII;
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	208 fec->MiiData = MII_Start \| MII_Write \| MII_Phy(addr) \| MII_Reg(reg) \| MII_TA \| data;
208 e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 182 diff changeset	209 while (!(fec->iEvent & iEvent_MII) && (--timeout > 0)) ;
159 511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	210 }
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	211
208 e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 182 diff changeset	212 static bool
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 182 diff changeset	213 phy_read(int reg, int addr, unsigned short *val)
159 511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	214 {
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	215 volatile EPPC eppc = (volatile EPPC )eppc_base();
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	216 volatile struct fec fec = (volatile struct fec )((unsigned char *)eppc + FEC_OFFSET);
208 e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 182 diff changeset	217 int timeout = 0x100000;
159 511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	218
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	219 fec->iEvent = iEvent_MII;
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	220 fec->MiiData = MII_Start \| MII_Read \| MII_Phy(addr) \| MII_Reg(reg) \| MII_TA;
208 e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 182 diff changeset	221 while (!(fec->iEvent & iEvent_MII)) {
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 182 diff changeset	222 if (--timeout <= 0) {
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 182 diff changeset	223 return false;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 182 diff changeset	224 }
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 182 diff changeset	225 }
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 182 diff changeset	226 *val = fec->MiiData & 0x0000FFFF;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 182 diff changeset	227 return true;
159 511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	228 }
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	229
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	230 //
208 e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 182 diff changeset	231 // [re]Initialize the ethernet controller
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 182 diff changeset	232 // Done separately since shutting down the device requires a
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 182 diff changeset	233 // full reconfiguration when re-enabling.
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 182 diff changeset	234 // when
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 182 diff changeset	235 static bool
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 182 diff changeset	236 fec_eth_reset(struct eth_drv_sc sc, unsigned char enaddr, int flags)
159 511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	237 {
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	238 struct fec_eth_info qi = (struct fec_eth_info )sc->driver_private;
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	239 volatile EPPC eppc = (volatile EPPC )eppc_base();
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	240 volatile struct fec fec = (volatile struct fec )((unsigned char *)eppc + FEC_OFFSET);
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	241 struct fec_bd rxbd, txbd;
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	242 unsigned char RxBUF, TxBUF;
208 e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 182 diff changeset	243 int cache_state, int_state;
159 511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	244 int i;
208 e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 182 diff changeset	245
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 182 diff changeset	246 // Ignore unless device is idle/stopped
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 182 diff changeset	247 if ((qi->fec->eControl & eControl_EN) != 0) {
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 182 diff changeset	248 return true;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 182 diff changeset	249 }
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 182 diff changeset	250
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 182 diff changeset	251 // Make sure interrupts are off while we mess with the device
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 182 diff changeset	252 HAL_DISABLE_INTERRUPTS(int_state);
159 511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	253
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	254 // Ensure consistent state between cache and what the FEC sees
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	255 HAL_DCACHE_IS_ENABLED(cache_state);
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	256 HAL_DCACHE_SYNC();
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	257 HAL_DCACHE_DISABLE();
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	258
208 e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 182 diff changeset	259 // Shut down ethernet controller, in case it is already running
159 511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	260 fec->eControl = eControl_RESET;
208 e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 182 diff changeset	261 i = 0;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 182 diff changeset	262 while ((fec->eControl & eControl_RESET) != 0) {
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 182 diff changeset	263 if (++i >= 500000) {
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 182 diff changeset	264 os_printf("FEC Ethernet does not reset\n");
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 182 diff changeset	265 if (cache_state)
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 182 diff changeset	266 HAL_DCACHE_ENABLE();
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 182 diff changeset	267 HAL_RESTORE_INTERRUPTS(int_state);
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 182 diff changeset	268 return false;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 182 diff changeset	269 }
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 182 diff changeset	270 }
159 511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	271
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	272 fec->iMask = 0x0000000; // Disables all interrupts
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	273 fec->iEvent = 0xFFFFFFFF; // Clear all interrupts
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	274 fec->iVector = (1<<29); // Caution - must match FEC_ETH_INT above
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	275
208 e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 182 diff changeset	276 #define ROUNDUP(b,s) (((unsigned long)(b) + (s-1)) & ~(s-1))
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 182 diff changeset	277 #ifdef FEC_USE_EPPC_BD
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 182 diff changeset	278 txbd = (struct fec_bd *)(0x2C00 + (cyg_uint32)eppc);
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 182 diff changeset	279 rxbd = &txbd[CYGNUM_DEVS_ETH_POWERPC_FEC_TxNUM];
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 182 diff changeset	280 #else
159 511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	281 txbd = fec_eth_txring;
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	282 rxbd = fec_eth_rxring;
208 e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 182 diff changeset	283 #endif
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 182 diff changeset	284 qi->tbase = qi->txbd = qi->tnext = txbd;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 182 diff changeset	285 qi->rbase = qi->rxbd = qi->rnext = rxbd;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 182 diff changeset	286 qi->txactive = 0;
159 511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	287
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	288 RxBUF = (unsigned char *)ROUNDUP(&fec_eth_rxbufs[0][0], 32);
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	289 TxBUF = (unsigned char *)ROUNDUP(&fec_eth_txbufs[0][0], 32);
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	290
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	291 // setup buffer descriptors
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	292 for (i = 0; i < CYGNUM_DEVS_ETH_POWERPC_FEC_RxNUM; i++) {
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	293 rxbd->length = 0;
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	294 rxbd->buffer = RxBUF;
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	295 rxbd->ctrl = FEC_BD_Rx_Empty;
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	296 RxBUF += CYGNUM_DEVS_ETH_POWERPC_FEC_BUFSIZE;
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	297 rxbd++;
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	298 }
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	299 rxbd--;
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	300 rxbd->ctrl \|= FEC_BD_Rx_Wrap; // Last buffer
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	301 for (i = 0; i < CYGNUM_DEVS_ETH_POWERPC_FEC_TxNUM; i++) {
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	302 txbd->length = 0;
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	303 txbd->buffer = TxBUF;
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	304 txbd->ctrl = 0;
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	305 TxBUF += CYGNUM_DEVS_ETH_POWERPC_FEC_BUFSIZE;
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	306 txbd++;
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	307 }
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	308 txbd--;
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	309 txbd->ctrl \|= FEC_BD_Tx_Wrap; // Last buffer
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	310
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	311 // Reset interrupts
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	312 fec->iMask = 0x00000000; // No interrupts enabled
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	313 fec->iEvent = 0xFFFFFFFF; // Clear all interrupts
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	314
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	315 // Initialize shared PRAM
208 e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 182 diff changeset	316 fec->RxRing = qi->rbase;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 182 diff changeset	317 fec->TxRing = qi->tbase;
159 511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	318
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	319 // Size of receive buffers
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	320 fec->RxBufSize = CYGNUM_DEVS_ETH_POWERPC_FEC_BUFSIZE;
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	321
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	322 // Receiver control
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	323 fec->RxControl = RxControl_MII \| RxControl_DRT;
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	324 // fec->RxControl = RxControl_MII \| RxControl_LOOP \| RxControl_PROM;
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	325 fec->RxHash = IEEE_8023_MAX_FRAME; // Largest possible ethernet frame
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	326
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	327 // Transmit control
208 e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 182 diff changeset	328 fec->TxControl = 4+0;
159 511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	329
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	330 // Use largest possible Tx FIFO
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	331 fec->TxWater = 3;
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	332
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	333 // DMA control
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	334 fec->FunCode = ((2<<29) \| (2<<27) \| (0<<24));
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	335
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	336 // MII speed control (50MHz)
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	337 fec->MiiSpeed = 0x14;
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	338
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	339 // Group address hash
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	340 fec->hash[0] = 0;
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	341 fec->hash[1] = 0;
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	342
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	343 // Device physical address
208 e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 182 diff changeset	344 fec->addr[0] = (unsigned long )&enaddr[0];
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 182 diff changeset	345 fec->addr[1] = (unsigned long )&enaddr[4];
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 182 diff changeset	346 // os_printf("FEC ESA = %08x/%08x\n", fec->addr[0], fec->addr[1]);
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 182 diff changeset	347
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 182 diff changeset	348 // Enable device
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 182 diff changeset	349 fec->eControl = eControl_EN \| eControl_MUX;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 182 diff changeset	350 fec->RxUpdate = 0x0F0F0F0F; // Any write tells machine to look for work
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 182 diff changeset	351
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 182 diff changeset	352 #ifdef _FEC_USE_INTS
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 182 diff changeset	353 // Set up for interrupts
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 182 diff changeset	354 fec->iMask = iEvent_TFINT \| iEvent_TXB \|
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 182 diff changeset	355 iEvent_RFINT \| iEvent_RXB;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 182 diff changeset	356 fec->iEvent = 0xFFFFFFFF; // Clear all interrupts
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 182 diff changeset	357 #endif
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 182 diff changeset	358
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 182 diff changeset	359 if (cache_state)
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 182 diff changeset	360 HAL_DCACHE_ENABLE();
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 182 diff changeset	361
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 182 diff changeset	362 // Set LED state
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 182 diff changeset	363 clear_led(LED_TxACTIVE);
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 182 diff changeset	364 clear_led(LED_RxACTIVE);
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 182 diff changeset	365
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 182 diff changeset	366 HAL_RESTORE_INTERRUPTS(int_state);
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 182 diff changeset	367 return true;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 182 diff changeset	368 }
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 182 diff changeset	369
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 182 diff changeset	370 //
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 182 diff changeset	371 // Initialize the interface - performed at system startup
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 182 diff changeset	372 // This function must set up the interface, including arranging to
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 182 diff changeset	373 // handle interrupts, etc, so that it may be "started" cheaply later.
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 182 diff changeset	374 //
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 182 diff changeset	375 static bool
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 182 diff changeset	376 fec_eth_init(struct cyg_netdevtab_entry *tab)
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 182 diff changeset	377 {
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 182 diff changeset	378 struct eth_drv_sc sc = (struct eth_drv_sc )tab->device_instance;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 182 diff changeset	379 struct fec_eth_info qi = (struct fec_eth_info )sc->driver_private;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 182 diff changeset	380 volatile EPPC eppc = (volatile EPPC )eppc_base();
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 182 diff changeset	381 volatile struct fec fec = (volatile struct fec )((unsigned char *)eppc + FEC_OFFSET);
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 182 diff changeset	382 unsigned short phy_state = 0;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 182 diff changeset	383 int cache_state;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 182 diff changeset	384 int i;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 182 diff changeset	385 unsigned long proc_rev;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 182 diff changeset	386 bool esa_ok, phy_ok;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 182 diff changeset	387 int phy_timeout = 5*1000; // Wait 5 seconds max for link to clear
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 182 diff changeset	388
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 182 diff changeset	389 // Ensure consistent state between cache and what the FEC sees
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 182 diff changeset	390 HAL_DCACHE_IS_ENABLED(cache_state);
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 182 diff changeset	391 HAL_DCACHE_SYNC();
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 182 diff changeset	392 HAL_DCACHE_DISABLE();
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 182 diff changeset	393
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 182 diff changeset	394 qi->fec = fec;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 182 diff changeset	395 fec_eth_stop(sc); // Make sure it's not running yet
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 182 diff changeset	396
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 182 diff changeset	397 #ifdef CYGPKG_NET
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 182 diff changeset	398 #ifdef _FEC_USE_INTS
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 182 diff changeset	399 // Set up to handle interrupts
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 182 diff changeset	400 cyg_drv_interrupt_create(FEC_ETH_INT,
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 182 diff changeset	401 CYGARC_SIU_PRIORITY_HIGH,
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 182 diff changeset	402 (cyg_addrword_t)sc, // Data item passed to interrupt handler
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 182 diff changeset	403 (cyg_ISR_t *)fec_eth_isr,
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 182 diff changeset	404 (cyg_DSR_t *)eth_drv_dsr,
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 182 diff changeset	405 &fec_eth_interrupt_handle,
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 182 diff changeset	406 &fec_eth_interrupt);
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 182 diff changeset	407 cyg_drv_interrupt_attach(fec_eth_interrupt_handle);
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 182 diff changeset	408 cyg_drv_interrupt_acknowledge(FEC_ETH_INT);
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 182 diff changeset	409 cyg_drv_interrupt_unmask(FEC_ETH_INT);
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 182 diff changeset	410 #else // _FEC_USE_INTS
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 182 diff changeset	411 // Hack - use a thread to simulate interrupts
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 182 diff changeset	412 cyg_thread_create(1, // Priority
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 182 diff changeset	413 fec_fake_int, // entry
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 182 diff changeset	414 (cyg_addrword_t)sc, // entry parameter
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 182 diff changeset	415 "CS8900 int", // Name
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 182 diff changeset	416 &fec_fake_int_stack[0], // Stack
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 182 diff changeset	417 STACK_SIZE, // Size
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 182 diff changeset	418 &fec_fake_int_thread_handle, // Handle
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 182 diff changeset	419 &fec_fake_int_thread_data // Thread data structure
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 182 diff changeset	420 );
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 182 diff changeset	421 cyg_thread_resume(fec_fake_int_thread_handle); // Start it
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 182 diff changeset	422 #endif
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 182 diff changeset	423 #endif
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 182 diff changeset	424
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 182 diff changeset	425 // Set up parallel port for connection to ethernet tranceiver
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 182 diff changeset	426 eppc->pio_pdpar = 0x1FFF;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 182 diff changeset	427 CYGARC_MFSPR( CYGARC_REG_PVR, proc_rev );
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 182 diff changeset	428 #define PROC_REVB 0x0020
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 182 diff changeset	429 if ((proc_rev & 0x0000FFFF) == PROC_REVB) {
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 182 diff changeset	430 eppc->pio_pddir = 0x1C58;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 182 diff changeset	431 } else {
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 182 diff changeset	432 eppc->pio_pddir = 0x1FFF;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 182 diff changeset	433 }
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 182 diff changeset	434
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 182 diff changeset	435 // Get physical device address
159 511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	436 #ifdef CYGPKG_REDBOOT
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	437 esa_ok = flash_get_config("fec_esa", enaddr, CONFIG_ESA);
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	438 #else
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	439 esa_ok = CYGACC_CALL_IF_FLASH_CFG_OP(CYGNUM_CALL_IF_FLASH_CFG_GET,
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	440 "fec_esa", enaddr, CONFIG_ESA);
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	441 #endif
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	442 if (!esa_ok) {
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	443 // Can't figure out ESA
182 f62680ef1804 Merge from eCos master repository on 2001-09-07-06:43:02-BST jlarmour parents: 165 diff changeset	444 os_printf("FEC_ETH - Warning! ESA unknown\n");
159 511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	445 memcpy(&enaddr, &_default_enaddr, sizeof(enaddr));
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	446 }
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	447
208 e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 182 diff changeset	448 // Configure the device
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 182 diff changeset	449 if (!fec_eth_reset(sc, enaddr, 0)) {
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 182 diff changeset	450 return false;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 182 diff changeset	451 }
159 511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	452
208 e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 182 diff changeset	453 // Reset PHY (transceiver)
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 182 diff changeset	454 eppc->pip_pbdat &= ~0x00004000; // Reset PHY chip
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 182 diff changeset	455 CYGACC_CALL_IF_DELAY_US(10000); // 10ms
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 182 diff changeset	456 eppc->pip_pbdat \|= 0x00004000; // Enable PHY chip
159 511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	457 // Enable transceiver (PHY)
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	458 phy_write(PHY_BMCR, 0, PHY_BMCR_RESET);
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	459 for (i = 0; i < 10; i++) {
208 e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 182 diff changeset	460 phy_ok = phy_read(PHY_BMCR, 0, &phy_state);
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 182 diff changeset	461 if (!phy_ok) break;
159 511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	462 if (!(phy_state & PHY_BMCR_RESET)) break;
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	463 }
208 e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 182 diff changeset	464 if (!phy_ok \|\| (phy_state & PHY_BMCR_RESET)) {
159 511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	465 os_printf("FEC: Can't get PHY unit to reset: %x\n", phy_state);
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	466 return false;
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	467 }
208 e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 182 diff changeset	468 fec->iEvent = 0xFFFFFFFF; // Clear all interrupts
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 182 diff changeset	469 phy_write(PHY_BMCR, 0, PHY_BMCR_AUTO_NEG\|PHY_BMCR_RESTART);
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 182 diff changeset	470 while (phy_timeout-- >= 0) {
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 182 diff changeset	471 int ev = fec->iEvent;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 182 diff changeset	472 unsigned short state;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 182 diff changeset	473 fec->iEvent = ev;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 182 diff changeset	474 if (ev & iEvent_MII) {
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 182 diff changeset	475 phy_ok = phy_read(PHY_BMSR, 0, &state);
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 182 diff changeset	476 if (phy_ok && (state & PHY_BMSR_AUTO_NEG)) {
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 182 diff changeset	477 // os_printf("State: %x\n", state);
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 182 diff changeset	478 break;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 182 diff changeset	479 } else {
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 182 diff changeset	480 CYGACC_CALL_IF_DELAY_US(1000); // 1ms
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 182 diff changeset	481 }
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 182 diff changeset	482 }
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 182 diff changeset	483 }
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 182 diff changeset	484 if (phy_timeout <= 0) {
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 182 diff changeset	485 os_printf("** FEC Warning: PHY auto-negotiation failed\n");
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 182 diff changeset	486 }
159 511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	487
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	488 // Initialize upper level driver
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	489 (sc->funs->eth_drv->init)(sc, (unsigned char *)&enaddr);
208 e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 182 diff changeset	490
159 511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	491 return true;
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	492 }
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	493
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	494 //
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	495 // This function is called to shut down the interface.
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	496 //
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	497 static void
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	498 fec_eth_stop(struct eth_drv_sc *sc)
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	499 {
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	500 struct fec_eth_info qi = (struct fec_eth_info )sc->driver_private;
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	501
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	502 // Disable the device!
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	503 qi->fec->eControl &= ~eControl_EN;
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	504 }
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	505
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	506 //
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	507 // This function is called to "start up" the interface. It may be called
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	508 // multiple times, even when the hardware is already running. It will be
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	509 // called whenever something "hardware oriented" changes and should leave
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	510 // the hardware ready to send/receive packets.
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	511 //
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	512 static void
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	513 fec_eth_start(struct eth_drv_sc sc, unsigned char enaddr, int flags)
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	514 {
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	515 // Enable the device!
208 e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 182 diff changeset	516 fec_eth_reset(sc, enaddr, flags);
159 511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	517 }
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	518
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	519 //
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	520 // This function is called for low level "control" operations
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	521 //
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	522 static int
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	523 fec_eth_control(struct eth_drv_sc *sc, unsigned long key,
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	524 void *data, int length)
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	525 {
208 e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 182 diff changeset	526 #ifdef ETH_DRV_SET_MC_ALL
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 182 diff changeset	527 struct eth_drv_mc_list *mc_list;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 182 diff changeset	528 struct fec_eth_info qi = (struct fec_eth_info )sc->driver_private;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 182 diff changeset	529 volatile struct fec *fec = qi->fec;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 182 diff changeset	530 #endif
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 182 diff changeset	531
159 511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	532 switch (key) {
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	533 case ETH_DRV_SET_MAC_ADDRESS:
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	534 return 0;
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	535 break;
208 e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 182 diff changeset	536 #ifdef ETH_DRV_SET_MC_ALL
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 182 diff changeset	537 case ETH_DRV_SET_MC_ALL:
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 182 diff changeset	538 case ETH_DRV_SET_MC_LIST:
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 182 diff changeset	539 fec->RxControl &= ~RxControl_PROM;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 182 diff changeset	540 fec->hash[0] = 0xFFFFFFFF;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 182 diff changeset	541 fec->hash[1] = 0xFFFFFFFF;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 182 diff changeset	542 return 0;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 182 diff changeset	543 break;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 182 diff changeset	544 #endif
159 511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	545 default:
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	546 return 1;
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	547 break;
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	548 }
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	549 }
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	550
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	551 //
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	552 // This function is called to see if another packet can be sent.
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	553 // It should return the number of packets which can be handled.
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	554 // Zero should be returned if the interface is busy and can not send any more.
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	555 //
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	556 static int
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	557 fec_eth_can_send(struct eth_drv_sc *sc)
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	558 {
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	559 struct fec_eth_info qi = (struct fec_eth_info )sc->driver_private;
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	560
208 e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 182 diff changeset	561 return (qi->txactive < CYGNUM_DEVS_ETH_POWERPC_FEC_TxNUM);
159 511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	562 }
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	563
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	564 //
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	565 // This routine is called to send data to the hardware.
208 e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 182 diff changeset	566 int _fec_eth_tx_count = 0;
159 511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	567 static void
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	568 fec_eth_send(struct eth_drv_sc sc, struct eth_drv_sg sg_list, int sg_len,
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	569 int total_len, unsigned long key)
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	570 {
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	571 struct fec_eth_info qi = (struct fec_eth_info )sc->driver_private;
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	572 volatile struct fec_bd txbd, txfirst;
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	573 volatile char *bp;
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	574 int i, txindex, cache_state;
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	575
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	576 // Find a free buffer
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	577 txbd = txfirst = qi->txbd;
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	578 while (txbd->ctrl & FEC_BD_Tx_Ready) {
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	579 // This buffer is busy, move to next one
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	580 if (txbd->ctrl & FEC_BD_Tx_Wrap) {
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	581 txbd = qi->tbase;
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	582 } else {
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	583 txbd++;
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	584 }
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	585 if (txbd == txfirst) {
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	586 #ifdef CYGPKG_NET
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	587 panic ("No free xmit buffers");
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	588 #else
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	589 os_printf("FEC Ethernet: No free xmit buffers\n");
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	590 #endif
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	591 }
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	592 }
208 e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 182 diff changeset	593 // Set up buffer
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 182 diff changeset	594 bp = txbd->buffer;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 182 diff changeset	595 for (i = 0; i < sg_len; i++) {
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 182 diff changeset	596 memcpy((void )bp, (void )sg_list[i].buf, sg_list[i].len);
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 182 diff changeset	597 bp += sg_list[i].len;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 182 diff changeset	598 }
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 182 diff changeset	599 txbd->length = total_len;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 182 diff changeset	600 txindex = ((unsigned long)txbd - (unsigned long)qi->tbase) / sizeof(*txbd);
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 182 diff changeset	601 qi->txkey[txindex] = key;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 182 diff changeset	602 // Note: the MPC860 does not seem to snoop/invalidate the data cache properly!
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 182 diff changeset	603 HAL_DCACHE_IS_ENABLED(cache_state);
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 182 diff changeset	604 if (cache_state) {
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 182 diff changeset	605 HAL_DCACHE_FLUSH(txbd->buffer, txbd->length); // Make sure no stale data
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 182 diff changeset	606 }
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 182 diff changeset	607 // Send it on it's way
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 182 diff changeset	608 txbd->ctrl \|= FEC_BD_Tx_Ready \| FEC_BD_Tx_Last \| FEC_BD_Tx_TC;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 182 diff changeset	609 #ifndef FEC_USE_EPPC_BD
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 182 diff changeset	610 if (cache_state) {
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 182 diff changeset	611 HAL_DCACHE_FLUSH(fec_eth_txring, sizeof(fec_eth_txring)); // Make sure no stale data
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 182 diff changeset	612 }
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 182 diff changeset	613 #endif
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 182 diff changeset	614 _fec_eth_tx_count++;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 182 diff changeset	615 qi->txactive++;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 182 diff changeset	616 qi->fec->TxUpdate = 0x01000000; // Any write tells machine to look for work
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 182 diff changeset	617 set_led(LED_TxACTIVE);
159 511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	618 // Remember the next buffer to try
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	619 if (txbd->ctrl & FEC_BD_Tx_Wrap) {
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	620 qi->txbd = qi->tbase;
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	621 } else {
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	622 qi->txbd = txbd+1;
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	623 }
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	624 }
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	625
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	626 //
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	627 // This function is called when a packet has been received. It's job is
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	628 // to prepare to unload the packet from the hardware. Once the length of
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	629 // the packet is known, the upper layer of the driver can be told. When
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	630 // the upper layer is ready to unload the packet, the internal function
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	631 // 'fec_eth_recv' will be called to actually fetch it from the hardware.
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	632 //
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	633 static void
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	634 fec_eth_RxEvent(struct eth_drv_sc *sc)
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	635 {
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	636 struct fec_eth_info qi = (struct fec_eth_info )sc->driver_private;
208 e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 182 diff changeset	637 volatile struct fec_bd rxbd, rxfirst;
159 511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	638 int cache_state;
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	639
208 e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 182 diff changeset	640 // Note: the MPC860 does not seem to snoop/invalidate the data cache properly!
159 511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	641 HAL_DCACHE_IS_ENABLED(cache_state);
208 e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 182 diff changeset	642 #ifndef FEC_USE_EPPC_BD
159 511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	643 if (cache_state) {
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	644 HAL_DCACHE_FLUSH(fec_eth_rxring, sizeof(fec_eth_rxring)); // Make sure no stale data
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	645 }
208 e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 182 diff changeset	646 #endif
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 182 diff changeset	647 rxbd = rxfirst = qi->rnext;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 182 diff changeset	648 while (true) {
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 182 diff changeset	649 if ((rxbd->ctrl & FEC_BD_Rx_Empty) == 0) {
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 182 diff changeset	650 qi->rxbd = rxbd; // Save for callback
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 182 diff changeset	651 set_led(LED_RxACTIVE);
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 182 diff changeset	652 (sc->funs->eth_drv->recv)(sc, rxbd->length);
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 182 diff changeset	653 }
159 511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	654 if (rxbd->ctrl & FEC_BD_Rx_Wrap) {
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	655 rxbd = qi->rbase;
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	656 } else {
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	657 rxbd++;
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	658 }
208 e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 182 diff changeset	659 if (rxbd == rxfirst) {
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 182 diff changeset	660 break;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 182 diff changeset	661 }
159 511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	662 }
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	663 // Remember where we left off
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	664 qi->rnext = (struct fec_bd *)rxbd;
208 e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 182 diff changeset	665 #ifndef FEC_USE_EPPC_BD
159 511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	666 if (cache_state) {
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	667 HAL_DCACHE_FLUSH(fec_eth_rxring, sizeof(fec_eth_rxring)); // Make sure no stale data
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	668 }
208 e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 182 diff changeset	669 #endif
159 511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	670 qi->fec->RxUpdate = 0x0F0F0F0F; // Any write tells machine to look for work
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	671 }
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	672
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	673 //
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	674 // This function is called as a result of the "eth_drv_recv()" call above.
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	675 // It's job is to actually fetch data for a packet from the hardware once
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	676 // memory buffers have been allocated for the packet. Note that the buffers
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	677 // may come in pieces, using a scatter-gather list. This allows for more
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	678 // efficient processing in the upper layers of the stack.
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	679 //
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	680 static void
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	681 fec_eth_recv(struct eth_drv_sc sc, struct eth_drv_sg sg_list, int sg_len)
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	682 {
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	683 struct fec_eth_info qi = (struct fec_eth_info )sc->driver_private;
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	684 unsigned char *bp;
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	685 int i, cache_state;
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	686
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	687 bp = (unsigned char *)qi->rxbd->buffer;
208 e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 182 diff changeset	688 // Note: the MPC860 does not seem to snoop/invalidate the data cache properly!
159 511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	689 HAL_DCACHE_IS_ENABLED(cache_state);
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	690 if (cache_state) {
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	691 HAL_DCACHE_INVALIDATE(qi->rxbd->buffer, qi->rxbd->length); // Make sure no stale data
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	692 }
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	693 for (i = 0; i < sg_len; i++) {
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	694 if (sg_list[i].buf != 0) {
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	695 memcpy((void *)sg_list[i].buf, bp, sg_list[i].len);
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	696 bp += sg_list[i].len;
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	697 }
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	698 }
208 e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 182 diff changeset	699 qi->rxbd->ctrl \|= FEC_BD_Rx_Empty;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 182 diff changeset	700 clear_led(LED_RxACTIVE);
159 511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	701 }
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	702
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	703 static void
208 e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 182 diff changeset	704 fec_eth_TxEvent(struct eth_drv_sc *sc)
159 511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	705 {
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	706 struct fec_eth_info qi = (struct fec_eth_info )sc->driver_private;
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	707 volatile struct fec_bd *txbd;
208 e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 182 diff changeset	708 int key, txindex, cache_state;
159 511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	709
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	710 HAL_DCACHE_IS_ENABLED(cache_state);
208 e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 182 diff changeset	711 #ifndef FEC_USE_EPPC_BD
159 511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	712 if (cache_state) {
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	713 HAL_DCACHE_FLUSH(fec_eth_txring, sizeof(fec_eth_txring)); // Make sure no stale data
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	714 }
208 e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 182 diff changeset	715 #endif
159 511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	716 txbd = qi->tnext;
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	717 // Note: TC field is used to indicate the buffer has/had data in it
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	718 while ((txbd->ctrl & (FEC_BD_Tx_Ready\|FEC_BD_Tx_TC)) == FEC_BD_Tx_TC) {
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	719 txindex = ((unsigned long)txbd - (unsigned long)qi->tbase) / sizeof(*txbd);
208 e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 182 diff changeset	720 if ((key = qi->txkey[txindex]) != 0) {
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 182 diff changeset	721 qi->txkey[txindex] = 0;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 182 diff changeset	722 (sc->funs->eth_drv->tx_done)(sc, key, 0);
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 182 diff changeset	723 }
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 182 diff changeset	724 if (--qi->txactive == 0) {
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 182 diff changeset	725 clear_led(LED_TxACTIVE);
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 182 diff changeset	726 }
159 511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	727 txbd->ctrl &= ~FEC_BD_Tx_TC;
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	728 if (txbd->ctrl & FEC_BD_Tx_Wrap) {
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	729 txbd = qi->tbase;
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	730 } else {
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	731 txbd++;
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	732 }
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	733 }
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	734 // Remember where we left off
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	735 qi->tnext = (struct fec_bd *)txbd;
208 e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 182 diff changeset	736 #ifndef FEC_USE_EPPC_BD
159 511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	737 if (cache_state) {
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	738 HAL_DCACHE_FLUSH(fec_eth_txring, sizeof(fec_eth_txring)); // Make sure no stale data
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	739 }
208 e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 182 diff changeset	740 #endif
159 511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	741 }
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	742
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	743 //
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	744 // Interrupt processing
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	745 //
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	746 static void
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	747 fec_eth_int(struct eth_drv_sc *sc)
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	748 {
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	749 struct fec_eth_info qi = (struct fec_eth_info )sc->driver_private;
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	750 unsigned long event;
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	751
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	752 while ((event = qi->fec->iEvent) != 0) {
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	753 if ((event & iEvent_TFINT) != 0) {
208 e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 182 diff changeset	754 fec_eth_TxEvent(sc);
159 511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	755 }
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	756 if ((event & iEvent_RFINT) != 0) {
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	757 fec_eth_RxEvent(sc);
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	758 }
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	759 qi->fec->iEvent = event; // Reset the bits we handled
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	760 }
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	761 }
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	762
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	763 //
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	764 // Interrupt vector
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	765 //
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	766 static int
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	767 fec_eth_int_vector(struct eth_drv_sc *sc)
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	768 {
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	769 return (FEC_ETH_INT);
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	770 }
511f4dc167f6 Merge from eCos master repository on 2001-05-18-01:30:05-BST jlarmour parents: diff changeset	771
208 e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 182 diff changeset	772 #if defined(CYGPKG_NET) && ~defined(_FEC_USE_INTS)
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 182 diff changeset	773 void
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 182 diff changeset	774 fec_fake_int(cyg_addrword_t param)
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 182 diff changeset	775 {
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 182 diff changeset	776 struct eth_drv_sc sc = (struct eth_drv_sc ) param;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 182 diff changeset	777 int int_state;
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 182 diff changeset	778
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 182 diff changeset	779 while (true) {
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 182 diff changeset	780 cyg_thread_delay(1); // 10ms
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 182 diff changeset	781 HAL_DISABLE_INTERRUPTS(int_state);
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 182 diff changeset	782 fec_eth_int(sc);
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 182 diff changeset	783 HAL_RESTORE_INTERRUPTS(int_state);
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 182 diff changeset	784 }
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 182 diff changeset	785 }
e0c0827131d1 Merge from eCos master repository on 2002-05-20-20:11:54-BST jlarmour parents: 182 diff changeset	786 #endif

Mercurial > ecos

annotate packages/devs/eth/powerpc/fec/current/src/if_fec.c @ 210:d2c90368aeef