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annotate packages/hal/powerpc/mbx/current/src/hal_aux.c @ 3292:7f8e529b4d82 default tip

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Fix FREESCALE_EDMA_NBYTES_MLOFFYES_MLOFF() so it works with negative offsets.
author vae
date Wed, 29 Apr 2015 23:31:48 +0000
parents 74dbf4c3f2e1
children
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1 //=============================================================================
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2 //
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3 // hal_aux.c
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4 //
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5 // HAL auxiliary objects and code; per platform
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6 //
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7 //=============================================================================
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8 // ####ECOSGPLCOPYRIGHTBEGIN####
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9 // -------------------------------------------
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10 // This file is part of eCos, the Embedded Configurable Operating System.
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11 // Copyright (C) 1998, 1999, 2000, 2001, 2002 Free Software Foundation, Inc.
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12 //
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13 // eCos is free software; you can redistribute it and/or modify it under
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14 // the terms of the GNU General Public License as published by the Free
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15 // Software Foundation; either version 2 or (at your option) any later
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16 // version.
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17 //
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18 // eCos is distributed in the hope that it will be useful, but WITHOUT
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19 // ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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20 // FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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21 // for more details.
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22 //
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23 // You should have received a copy of the GNU General Public License
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24 // along with eCos; if not, write to the Free Software Foundation, Inc.,
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25 // 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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26 //
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27 // As a special exception, if other files instantiate templates or use
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28 // macros or inline functions from this file, or you compile this file
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29 // and link it with other works to produce a work based on this file,
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30 // this file does not by itself cause the resulting work to be covered by
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31 // the GNU General Public License. However the source code for this file
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32 // must still be made available in accordance with section (3) of the GNU
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33 // General Public License v2.
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34 //
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35 // This exception does not invalidate any other reasons why a work based
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36 // on this file might be covered by the GNU General Public License.
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37 // -------------------------------------------
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38 // ####ECOSGPLCOPYRIGHTEND####
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39 //=============================================================================
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40 //#####DESCRIPTIONBEGIN####
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41 //
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42 // Author(s): hmt
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43 // Contributors:hmt
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44 // Date: 1999-06-08
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45 // Purpose: HAL aux objects: startup tables.
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46 // Description: Tables for per-platform initialization
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47 //
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48 //####DESCRIPTIONEND####
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49 //
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50 //=============================================================================
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51
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52 #include <pkgconf/hal.h>
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53 #include <cyg/hal/hal_mem.h> // HAL memory definitions
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54 #include <pkgconf/hal_powerpc_quicc.h>
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55 #include <cyg/infra/cyg_type.h>
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56 #include <cyg/hal/quicc/ppc8xx.h>
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57 #include <cyg/hal/hal_if.h> // hal_if_init
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58
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59 // The memory map is weakly defined, allowing the application to redefine
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60 // it if necessary. The regions defined below are the minimum requirements.
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61 CYGARC_MEMDESC_TABLE CYGBLD_ATTRIB_WEAK = {
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62 // Mapping for the Motorola MBX860 development board
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63 CYGARC_MEMDESC_CACHE( 0xfe000000, 0x00400000 ), // ROM region
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64 CYGARC_MEMDESC_NOCACHE( 0xfa000000, 0x00400000 ), // Control/Status+LEDs
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65 CYGARC_MEMDESC_CACHE( 0x00000000, 0x00800000 ), // Main memory
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66
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67 CYGARC_MEMDESC_TABLE_END
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68 };
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69
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70 #ifdef _DOWNLOAD_UCODE_UPDATE // Not currently used
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71 //
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72 // The MPC8xx CPM (Control Processor) has some problems (overlapping structures) which
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73 // can be fixed by downloading new ucode. This code came from:
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74 // http://www.mot.com/SPS/ADC/pps/subpgs/etoolbox/8XX/i2c_spi.html
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75 //
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76
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77 static unsigned char i2c_ucode_low[] = {
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78 0x7F, 0xFF, 0xEF, 0xD9, 0x3F, 0xFD, 0x00, 0x00,
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79 0x7F, 0xFB, 0x49, 0xF7, 0x7F, 0xF9, 0x00, 0x00,
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80 0x5F, 0xEF, 0xAD, 0xF7, 0x5F, 0x89, 0xAD, 0xF7,
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81 0x5F, 0xEF, 0xAF, 0xF7, 0x5F, 0x89, 0xAF, 0xF7,
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82 0x3A, 0x9C, 0xFB, 0xC8, 0xE7, 0xC0, 0xED, 0xF0,
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83 0x77, 0xC1, 0xE1, 0xBB, 0xF4, 0xDC, 0x7F, 0x1D,
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84 0xAB, 0xAD, 0x93, 0x2F, 0x4E, 0x08, 0xFD, 0xCF,
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85 0x6E, 0x0F, 0xAF, 0xF8, 0x7C, 0xCF, 0x76, 0xCF,
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86 0xFD, 0x1F, 0xF9, 0xCF, 0xAB, 0xF8, 0x8D, 0xC6,
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87 0xAB, 0x56, 0x79, 0xF7, 0xB0, 0x93, 0x73, 0x83,
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88 0xDF, 0xCE, 0x79, 0xF7, 0xB0, 0x91, 0xE6, 0xBB,
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89 0xE5, 0xBB, 0xE7, 0x4F, 0xB3, 0xFA, 0x6F, 0x0F,
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90 0x6F, 0xFB, 0x76, 0xCE, 0xEE, 0x0D, 0xF9, 0xCF,
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91 0x2B, 0xFB, 0xEF, 0xEF, 0xCF, 0xEE, 0xF9, 0xCF,
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92 0x76, 0xCE, 0xAD, 0x24, 0x90, 0xB2, 0xDF, 0x9A,
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93 0x7F, 0xDD, 0xD0, 0xBF, 0x4B, 0xF8, 0x47, 0xFD,
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94 0x7C, 0xCF, 0x76, 0xCE, 0xCF, 0xEF, 0x7E, 0x1F,
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95 0x7F, 0x1D, 0x7D, 0xFD, 0xF0, 0xB6, 0xEF, 0x71,
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96 0x7F, 0xC1, 0x77, 0xC1, 0xFB, 0xC8, 0x60, 0x79,
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97 0xE7, 0x22, 0xFB, 0xC8, 0x5F, 0xFF, 0xDF, 0xFF,
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98 0x5F, 0xB2, 0xFF, 0xFB, 0xFB, 0xC8, 0xF3, 0xC8,
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99 0x94, 0xA6, 0x7F, 0x01, 0x7F, 0x1D, 0x5F, 0x39,
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100 0xAF, 0xE8, 0x5F, 0x5E, 0xFF, 0xDF, 0xDF, 0x96,
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101 0xCB, 0x9F, 0xAF, 0x7D, 0x5F, 0xC1, 0xAF, 0xED,
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
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102 0x8C, 0x1C, 0x5F, 0xC1, 0xAF, 0xDD, 0x5F, 0xC3,
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
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103 0xDF, 0x9A, 0x7E, 0xFD, 0xB0, 0xB2, 0x5F, 0xB2,
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
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104 0xFF, 0xFE, 0xAB, 0xAD, 0x5F, 0xB2, 0xFF, 0xFE,
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105 0x5F, 0xCE, 0x60, 0x0B, 0xE6, 0xBB, 0x60, 0x0B,
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106 0x5F, 0xCE, 0xDF, 0xC6, 0x27, 0xFB, 0xEF, 0xDF,
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
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107 0x5F, 0xC8, 0xCF, 0xDE, 0x3A, 0x9C, 0xE7, 0xC0,
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108 0xED, 0xF0, 0xF3, 0xC8, 0x7F, 0x01, 0x54, 0xCD,
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109 0x7F, 0x1D, 0x2D, 0x3D, 0x36, 0x3A, 0x75, 0x70,
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110 0x7E, 0x0A, 0xF1, 0xCE, 0x37, 0xEF, 0x2E, 0x68,
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111 0x7F, 0xEE, 0x10, 0xEC, 0xAD, 0xF8, 0xEF, 0xDE,
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112 0xCF, 0xEA, 0xE5, 0x2F, 0x7D, 0x0F, 0xE1, 0x2B,
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113 0xF1, 0xCE, 0x5F, 0x65, 0x7E, 0x0A, 0x4D, 0xF8,
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114 0xCF, 0xEA, 0x5F, 0x72, 0x7D, 0x0B, 0xEF, 0xEE,
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115 0xCF, 0xEA, 0x5F, 0x74, 0xE5, 0x22, 0xEF, 0xDE,
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
jlarmour
parents: 72
diff changeset
116 0x5F, 0x74, 0xCF, 0xDA, 0x0B, 0x62, 0x73, 0x85,
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
jlarmour
parents: 72
diff changeset
117 0xDF, 0x62, 0x7E, 0x0A, 0x30, 0xD8, 0x14, 0x5B,
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
jlarmour
parents: 72
diff changeset
118 0xBF, 0xFF, 0xF3, 0xC8, 0x5F, 0xFF, 0xDF, 0xFF,
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
jlarmour
parents: 72
diff changeset
119 0xA7, 0xF8, 0x5F, 0x5E, 0xBF, 0xFE, 0x7F, 0x7D,
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
jlarmour
parents: 72
diff changeset
120 0x10, 0xD3, 0x14, 0x50, 0x5F, 0x36, 0xBF, 0xFF,
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
jlarmour
parents: 72
diff changeset
121 0xAF, 0x78, 0x5F, 0x5E, 0xBF, 0xFD, 0xA7, 0xF8,
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
jlarmour
parents: 72
diff changeset
122 0x5F, 0x36, 0xBF, 0xFE, 0x77, 0xFD, 0x30, 0xC0,
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
jlarmour
parents: 72
diff changeset
123 0x4E, 0x08, 0xFD, 0xCF, 0xE5, 0xFF, 0x6E, 0x0F,
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
jlarmour
parents: 72
diff changeset
124 0xAF, 0xF8, 0x7E, 0x1F, 0x7E, 0x0F, 0xFD, 0x1F,
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
jlarmour
parents: 72
diff changeset
125 0xF1, 0xCF, 0x5F, 0x1B, 0xAB, 0xF8, 0x0D, 0x5E,
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
jlarmour
parents: 72
diff changeset
126 0x5F, 0x5E, 0xFF, 0xEF, 0x79, 0xF7, 0x30, 0xA2,
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
jlarmour
parents: 72
diff changeset
127 0xAF, 0xDD, 0x5F, 0x34, 0x47, 0xF8, 0x5F, 0x34,
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
jlarmour
parents: 72
diff changeset
128 0xAF, 0xED, 0x7F, 0xDD, 0x50, 0xB2, 0x49, 0x78,
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
jlarmour
parents: 72
diff changeset
129 0x47, 0xFD, 0x7F, 0x1D, 0x7D, 0xFD, 0x70, 0xAD,
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
jlarmour
parents: 72
diff changeset
130 0xEF, 0x71, 0x7E, 0xC1, 0x6B, 0xA4, 0x7F, 0x01,
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
jlarmour
parents: 72
diff changeset
131 0x2D, 0x26, 0x7E, 0xFD, 0x30, 0xDE, 0x5F, 0x5E,
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
jlarmour
parents: 72
diff changeset
132 0xFF, 0xFD, 0x5F, 0x5E, 0xFF, 0xEF, 0x5F, 0x5E,
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
jlarmour
parents: 72
diff changeset
133 0xFF, 0xDF, 0x0C, 0xA0, 0xAF, 0xED, 0x0A, 0x9E,
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
jlarmour
parents: 72
diff changeset
134 0xAF, 0xDD, 0x0C, 0x3A, 0x5F, 0x3A, 0xAF, 0xBD,
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
jlarmour
parents: 72
diff changeset
135 0x7F, 0xBD, 0xB0, 0x82, 0x5F, 0x82, 0x47, 0xF8,
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
jlarmour
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diff changeset
136 };
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
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diff changeset
137 static unsigned char i2c_ucode_high[] = {
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
jlarmour
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diff changeset
138 0x3E, 0x30, 0x34, 0x30, 0x34, 0x34, 0x37, 0x37,
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
jlarmour
parents: 72
diff changeset
139 0xAB, 0xF7, 0xBF, 0x9B, 0x99, 0x4B, 0x4F, 0xBD,
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
jlarmour
parents: 72
diff changeset
140 0xBD, 0x59, 0x94, 0x93, 0x34, 0x9F, 0xFF, 0x37,
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
jlarmour
parents: 72
diff changeset
141 0xFB, 0x9B, 0x17, 0x7D, 0xD9, 0x93, 0x69, 0x56,
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
jlarmour
parents: 72
diff changeset
142 0xBB, 0xFD, 0xD6, 0x97, 0xBD, 0xD2, 0xFD, 0x11,
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
jlarmour
parents: 72
diff changeset
143 0x31, 0xDB, 0x9B, 0xB3, 0x63, 0x13, 0x96, 0x37,
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
jlarmour
parents: 72
diff changeset
144 0x93, 0x73, 0x36, 0x93, 0x19, 0x31, 0x37, 0xF7,
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
jlarmour
parents: 72
diff changeset
145 0x33, 0x17, 0x37, 0xAF, 0x7B, 0xB9, 0xB9, 0x99,
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
jlarmour
parents: 72
diff changeset
146 0xBB, 0x19, 0x79, 0x57, 0x7F, 0xDF, 0xD3, 0xD5,
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
jlarmour
parents: 72
diff changeset
147 0x73, 0xB7, 0x73, 0xF7, 0x37, 0x93, 0x3B, 0x99,
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
jlarmour
parents: 72
diff changeset
148 0x1D, 0x11, 0x53, 0x16, 0x99, 0x31, 0x53, 0x15,
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
jlarmour
parents: 72
diff changeset
149 0x31, 0x69, 0x4B, 0xF4, 0xFB, 0xDB, 0xD3, 0x59,
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
jlarmour
parents: 72
diff changeset
150 0x31, 0x49, 0x73, 0x53, 0x76, 0x95, 0x6D, 0x69,
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
jlarmour
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diff changeset
151 0x7B, 0x9D, 0x96, 0x93, 0x13, 0x13, 0x19, 0x79,
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
jlarmour
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diff changeset
152 0x79, 0x37, 0x69, 0x35,
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
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diff changeset
153 };
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
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diff changeset
154 #endif
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
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diff changeset
155
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
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diff changeset
156 #define QUICC_I2C_MOD_EN 0x01 // Enable I2C controller
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
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diff changeset
157 #define QUICC_I2C_MOD_PDIV_CLK32 0x00 // I2C BRG - /32
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
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diff changeset
158 #define QUICC_I2C_MOD_PDIV_CLK16 0x02 // /16
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
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diff changeset
159 #define QUICC_I2C_MOD_PDIV_CLK8 0x04 // /8
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
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diff changeset
160 #define QUICC_I2C_MOD_PDIV_CLK4 0x06 // /4
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
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diff changeset
161 #define QUICC_I2C_MOD_FLT 0x08 // 1 = input clock is filtered
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
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diff changeset
162 #define QUICC_I2C_MOD_GCD 0x10 // 1 = deny general call address
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
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diff changeset
163 #define QUICC_I2C_MOD_REVD 0x20 // 1 = reverse TxD and RxD order
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
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diff changeset
164
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
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diff changeset
165 #define QUICC_I2C_CMD_MASTER 0x01 // 1 = master, 0 = slave
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
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diff changeset
166 #define QUICC_I2C_CMD_START 0x80 // 1 = start transmit
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
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diff changeset
167
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
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diff changeset
168 #define QUICC_I2C_FCR_BE 0x10 // Big Endian operation
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
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diff changeset
169
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
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diff changeset
170 #define MBX_CONFIG_EEPROM 0xA5 // I2C address of configuration ROM
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
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diff changeset
171
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
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diff changeset
172 static unsigned char _MBX_eeprom_data[0x100];
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
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diff changeset
173 #define VPD_EOD 0xFF
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
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diff changeset
174
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
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diff changeset
175 static void
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
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diff changeset
176 _mbx_init_i2c(void)
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
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diff changeset
177 {
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
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178 volatile EPPC *eppc = eppc_base();
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
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diff changeset
179 unsigned char *sp, *ep;
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
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diff changeset
180 int i, len, RxBD, TxBD;
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
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diff changeset
181 struct i2c_pram *i2c;
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
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diff changeset
182 volatile struct cp_bufdesc *rxbd, *txbd;
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
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183 unsigned char i2c_address[521];
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
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diff changeset
184 static int i2c_init = 0;
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
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diff changeset
185
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
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diff changeset
186 if (i2c_init) return;
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
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187 i2c_init = 1;
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
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diff changeset
188 eppc->cp_rccr = 0; // Disables any current ucode running
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
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189 #ifdef _DOWNLOAD_UCODE_UPDATE // Not currently used
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
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diff changeset
190 // Patch the ucode
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
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diff changeset
191 sp = i2c_ucode_low;
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
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diff changeset
192 ep = (unsigned char *)eppc->udata_ucode;
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
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diff changeset
193 for (i = 0; i < sizeof(i2c_ucode_low); i++) {
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
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diff changeset
194 *ep++ = *sp++;
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
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diff changeset
195 }
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
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diff changeset
196 sp = i2c_ucode_high;
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
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diff changeset
197 ep = (unsigned char *)eppc->udata_ext;
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
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diff changeset
198 for (i = 0; i < sizeof(i2c_ucode_high); i++) {
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diff changeset
199 *ep++ = *sp++;
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
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diff changeset
200 }
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
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diff changeset
201 eppc->cp_rctr1 = 0x802A;
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
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diff changeset
202 eppc->cp_rctr2 = 0x8028;
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
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diff changeset
203 eppc->cp_rctr3 = 0x802E;
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
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diff changeset
204 eppc->cp_rctr4 = 0x802C;
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
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diff changeset
205 diag_printf("RCCR: %x, RTCRx: %x/%x/%x/%x\n",
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
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diff changeset
206 eppc->cp_rccr, eppc->cp_rctr1, eppc->cp_rctr2, eppc->cp_rctr3, eppc->cp_rctr4);
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
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diff changeset
207 diag_dump_buf(eppc->udata_ucode, 256);
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
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diff changeset
208 diag_dump_buf(&eppc->pram[0].scc.pothers.i2c_idma, 0x40);
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
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diff changeset
209 eppc->cp_rccr = 0x01; // Enable ucode
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
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diff changeset
210 diag_printf("RCCR: %x, RTCRx: %x/%x/%x/%x\n",
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
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diff changeset
211 eppc->cp_rccr, eppc->cp_rctr1, eppc->cp_rctr2, eppc->cp_rctr3, eppc->cp_rctr4);
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
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diff changeset
212 diag_dump_buf(eppc->udata_ucode, 256);
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
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diff changeset
213 diag_dump_buf(&eppc->pram[0].scc.pothers.i2c_idma, 0x40);
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
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diff changeset
214 diag_printf("RPBASE = %x/%x\n", eppc->pram[0].scc.pothers.i2c_idma.i2c.rpbase, &eppc->pram[0].scc.pothers.i2c_idma.i2c.rpbase);
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
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diff changeset
215 eppc->pram[0].scc.pothers.i2c_idma.i2c.rpbase = (unsigned long)&eppc->i2c_spare_pram - (unsigned long)eppc;
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
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diff changeset
216 diag_printf("RPBASE = %x/%x\n", eppc->pram[0].scc.pothers.i2c_idma.i2c.rpbase, &eppc->pram[0].scc.pothers.i2c_idma.i2c.rpbase);
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
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diff changeset
217 eppc->i2c_i2mod = 0; // Disable I2C controller
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
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diff changeset
218 i2c = (struct i2c_pram *)&eppc->i2c_spare_pram;
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219 #else
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220 eppc->i2c_i2mod = 0; // Disable I2C controller
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221 i2c = (struct i2c_pram *)&eppc->pram[0].scc.pothers.i2c_idma.i2c;
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222 #endif // _DOWNLOAD_UCODE_UPDATE
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223 sp = (unsigned char *)i2c;
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224 for (i = 0; i < sizeof(*i2c); i++) {
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225 *sp++ = 0;
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226 }
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227 RxBD = 0x2E08; // CAUTION
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228 TxBD = 0x2E00;
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229 i2c->rbase = RxBD;
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230 i2c->tbase = TxBD;
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231 i2c->rfcr = QUICC_I2C_FCR_BE;
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232 i2c->tfcr = QUICC_I2C_FCR_BE;
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233 i2c->mrblr = sizeof(i2c_address);
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234 rxbd = (volatile struct cp_bufdesc *)((char *)eppc + RxBD);
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235 rxbd->ctrl = QUICC_BD_CTL_Ready | QUICC_BD_CTL_Wrap | QUICC_BD_CTL_Last;
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236 rxbd->length = 257;
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237 rxbd->buffer = i2c_address;
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238 txbd = (volatile struct cp_bufdesc *)((char *)eppc + TxBD);
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239 txbd->length = 1+520;
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240 i2c_address[0] = MBX_CONFIG_EEPROM;
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241 txbd->buffer = i2c_address;
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242 txbd->ctrl = QUICC_BD_CTL_Ready | QUICC_BD_CTL_Wrap | QUICC_BD_CTL_Last;
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243 eppc->i2c_i2add = 0x00;
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244 eppc->i2c_i2brg = 0x50;
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245 eppc->i2c_i2mod = QUICC_I2C_MOD_EN; // Enable I2C interface
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246 // Initialize the CPM (set up buffer pointers, etc).
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247 // This needs to be done *after* the interface is enabled.
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248 eppc->cp_cr = QUICC_CPM_I2C | QUICC_CPM_CR_INIT_RX | QUICC_CPM_CR_BUSY;
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249 while (eppc->cp_cr & QUICC_CPM_CR_BUSY) ;
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250 eppc->cp_cr = QUICC_CPM_I2C | QUICC_CPM_CR_INIT_TX | QUICC_CPM_CR_BUSY;
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251 while (eppc->cp_cr & QUICC_CPM_CR_BUSY) ;
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252 eppc->i2c_i2com = QUICC_I2C_CMD_MASTER | QUICC_I2C_CMD_START;
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253 i = 0;
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254 while (txbd->ctrl & QUICC_BD_CTL_Ready) {
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255 if (++i > 50000) break;
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256 }
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257 // Rebuild the actual VPD
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258 for (i = 0; i < sizeof(_MBX_eeprom_data); i++) {
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259 _MBX_eeprom_data[i] = VPD_EOD; // Undefined
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260 }
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261 sp = (unsigned char *)&i2c_address[1];
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262 ep = (unsigned char *)&i2c_address[sizeof(i2c_address)];
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263 while (sp != ep) {
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264 if ((sp[0] == 'M') && (sp[1] == 'O') && (sp[2] == 'T')) {
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265 // Found the "eye catcher" string
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266 sp += 8;
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267 len = (sp[0] << 8) | sp[1];
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268 sp += 2;
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269 for (i = 0; i < len; i++) {
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270 _MBX_eeprom_data[i] = *sp++;
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271 if (sp == ep) sp = (unsigned char *)&i2c_address[1];
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272 }
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273 break;
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274 }
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275 sp++;
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276 }
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277 eppc->i2c_i2mod = 0; // Disable I2C interface
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278 }
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279
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280 //
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281 // Fetch a value from the VPD and return it's length.
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282 // Returns a length of zero if not found
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283 //
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284 int
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285 _mbx_fetch_VPD(int code, unsigned char *buf, int size)
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286 {
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287 unsigned char *vp, *ep;
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288 int i, len;
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289
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290 _mbx_init_i2c(); // Fetch the data if not already
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291 vp = &_MBX_eeprom_data[0];
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292 ep = &_MBX_eeprom_data[sizeof(_MBX_eeprom_data)];
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293 while (vp < ep) {
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294 if (*vp == (unsigned char)code) {
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295 // Found the desired item
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296 len = (int)vp[1];
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297 if (len > size) len = size;
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298 vp += 2;
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299 for (i = 0; i < len; i++) {
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300 *buf++ = *vp++;
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301 }
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302 return len;
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303 }
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304 len = (int)vp[1];
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305 vp += 2 + len; // Skip to next item
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306 if (*vp == VPD_EOD) break;
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307 }
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308 return 0;
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309 }
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310
101
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311 //--------------------------------------------------------------------------
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312 // Platform init code.
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313 void
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314 hal_platform_init(void)
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315 {
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316 hal_if_init();
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317 }
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318
32
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319 // EOF hal_aux.c