wdenk | c609719 | 2002-11-03 00:24:07 +0000 | [diff] [blame] | 1 | /* |
stroese | 6f4474e | 2003-03-20 15:31:19 +0000 | [diff] [blame] | 2 | * (C) Copyright 2001-2003 |
wdenk | c609719 | 2002-11-03 00:24:07 +0000 | [diff] [blame] | 3 | * Stefan Roese, esd gmbh germany, stefan.roese@esd-electronics.com |
| 4 | * |
Wolfgang Denk | 1a45966 | 2013-07-08 09:37:19 +0200 | [diff] [blame] | 5 | * SPDX-License-Identifier: GPL-2.0+ |
wdenk | c609719 | 2002-11-03 00:24:07 +0000 | [diff] [blame] | 6 | */ |
wdenk | c609719 | 2002-11-03 00:24:07 +0000 | [diff] [blame] | 7 | #include <common.h> |
Matthias Fuchs | 600fe46 | 2009-01-02 12:18:12 +0100 | [diff] [blame] | 8 | #include <libfdt.h> |
| 9 | #include <fdt_support.h> |
wdenk | c609719 | 2002-11-03 00:24:07 +0000 | [diff] [blame] | 10 | #include <asm/processor.h> |
Matthias Fuchs | 6f35c53 | 2007-06-24 17:41:21 +0200 | [diff] [blame] | 11 | #include <asm/io.h> |
wdenk | c609719 | 2002-11-03 00:24:07 +0000 | [diff] [blame] | 12 | #include <command.h> |
wdenk | c609719 | 2002-11-03 00:24:07 +0000 | [diff] [blame] | 13 | #include <malloc.h> |
stroese | 87663b1 | 2004-12-16 18:27:05 +0000 | [diff] [blame] | 14 | #include <net.h> |
Matthias Fuchs | 6f35c53 | 2007-06-24 17:41:21 +0200 | [diff] [blame] | 15 | #include <pci.h> |
wdenk | c609719 | 2002-11-03 00:24:07 +0000 | [diff] [blame] | 16 | |
Wolfgang Denk | d87080b | 2006-03-31 18:32:53 +0200 | [diff] [blame] | 17 | DECLARE_GLOBAL_DATA_PTR; |
| 18 | |
Matthias Fuchs | f6a1f49 | 2009-01-02 12:17:36 +0100 | [diff] [blame] | 19 | extern void __ft_board_setup(void *blob, bd_t *bd); |
| 20 | |
| 21 | #undef FPGA_DEBUG |
wdenk | c609719 | 2002-11-03 00:24:07 +0000 | [diff] [blame] | 22 | |
| 23 | /* fpga configuration data - generated by bin2cc */ |
| 24 | const unsigned char fpgadata[] = |
| 25 | { |
Matthias Fuchs | f6a1f49 | 2009-01-02 12:17:36 +0100 | [diff] [blame] | 26 | #if defined(CONFIG_CPCI405_VER2) |
| 27 | # if defined(CONFIG_CPCI405AB) |
stroese | d4629c8 | 2003-05-23 11:30:39 +0000 | [diff] [blame] | 28 | # include "fpgadata_cpci405ab.c" |
| 29 | # else |
| 30 | # include "fpgadata_cpci4052.c" |
| 31 | # endif |
wdenk | c609719 | 2002-11-03 00:24:07 +0000 | [diff] [blame] | 32 | #else |
| 33 | # include "fpgadata_cpci405.c" |
| 34 | #endif |
| 35 | }; |
| 36 | |
| 37 | /* |
| 38 | * include common fpga code (for esd boards) |
| 39 | */ |
| 40 | #include "../common/fpga.c" |
stroese | 87663b1 | 2004-12-16 18:27:05 +0000 | [diff] [blame] | 41 | #include "../common/auto_update.h" |
| 42 | |
Matthias Fuchs | f6a1f49 | 2009-01-02 12:17:36 +0100 | [diff] [blame] | 43 | #if defined(CONFIG_CPCI405AB) |
stroese | 87663b1 | 2004-12-16 18:27:05 +0000 | [diff] [blame] | 44 | au_image_t au_image[] = { |
| 45 | {"cpci405ab/preinst.img", 0, -1, AU_SCRIPT}, |
| 46 | {"cpci405ab/pImage", 0xffc00000, 0x000c0000, AU_NOR}, |
| 47 | {"cpci405ab/pImage.initrd", 0xffcc0000, 0x00300000, AU_NOR}, |
| 48 | {"cpci405ab/u-boot.img", 0xfffc0000, 0x00040000, AU_FIRMWARE}, |
| 49 | {"cpci405ab/postinst.img", 0, 0, AU_SCRIPT}, |
| 50 | }; |
| 51 | #else |
Matthias Fuchs | f6a1f49 | 2009-01-02 12:17:36 +0100 | [diff] [blame] | 52 | #if defined(CONFIG_CPCI405_VER2) |
stroese | 87663b1 | 2004-12-16 18:27:05 +0000 | [diff] [blame] | 53 | au_image_t au_image[] = { |
| 54 | {"cpci4052/preinst.img", 0, -1, AU_SCRIPT}, |
| 55 | {"cpci4052/pImage", 0xffc00000, 0x000c0000, AU_NOR}, |
| 56 | {"cpci4052/pImage.initrd", 0xffcc0000, 0x00300000, AU_NOR}, |
| 57 | {"cpci4052/u-boot.img", 0xfffc0000, 0x00040000, AU_FIRMWARE}, |
| 58 | {"cpci4052/postinst.img", 0, 0, AU_SCRIPT}, |
| 59 | }; |
| 60 | #else |
| 61 | au_image_t au_image[] = { |
| 62 | {"cpci405/preinst.img", 0, -1, AU_SCRIPT}, |
| 63 | {"cpci405/pImage", 0xffc00000, 0x000c0000, AU_NOR}, |
| 64 | {"cpci405/pImage.initrd", 0xffcc0000, 0x00310000, AU_NOR}, |
| 65 | {"cpci405/u-boot.img", 0xfffd0000, 0x00030000, AU_FIRMWARE}, |
| 66 | {"cpci405/postinst.img", 0, 0, AU_SCRIPT}, |
| 67 | }; |
| 68 | #endif |
| 69 | #endif |
| 70 | |
| 71 | int N_AU_IMAGES = (sizeof(au_image) / sizeof(au_image[0])); |
| 72 | |
wdenk | c609719 | 2002-11-03 00:24:07 +0000 | [diff] [blame] | 73 | /* Prototypes */ |
stroese | 6f4474e | 2003-03-20 15:31:19 +0000 | [diff] [blame] | 74 | int cpci405_version(void); |
stroese | 87663b1 | 2004-12-16 18:27:05 +0000 | [diff] [blame] | 75 | void lxt971_no_sleep(void); |
wdenk | c609719 | 2002-11-03 00:24:07 +0000 | [diff] [blame] | 76 | |
Matthias Fuchs | f6a1f49 | 2009-01-02 12:17:36 +0100 | [diff] [blame] | 77 | int board_early_init_f(void) |
wdenk | c609719 | 2002-11-03 00:24:07 +0000 | [diff] [blame] | 78 | { |
| 79 | #ifndef CONFIG_CPCI405_VER2 |
| 80 | int index, len, i; |
| 81 | int status; |
| 82 | #endif |
| 83 | |
| 84 | #ifdef FPGA_DEBUG |
wdenk | c609719 | 2002-11-03 00:24:07 +0000 | [diff] [blame] | 85 | /* set up serial port with default baudrate */ |
Matthias Fuchs | f6a1f49 | 2009-01-02 12:17:36 +0100 | [diff] [blame] | 86 | (void)get_clocks(); |
wdenk | c609719 | 2002-11-03 00:24:07 +0000 | [diff] [blame] | 87 | gd->baudrate = CONFIG_BAUDRATE; |
Matthias Fuchs | f6a1f49 | 2009-01-02 12:17:36 +0100 | [diff] [blame] | 88 | serial_init(); |
wdenk | c609719 | 2002-11-03 00:24:07 +0000 | [diff] [blame] | 89 | console_init_f(); |
| 90 | #endif |
| 91 | |
| 92 | /* |
Matthias Fuchs | f6a1f49 | 2009-01-02 12:17:36 +0100 | [diff] [blame] | 93 | * First pull fpga-prg pin low, |
| 94 | * to disable fpga logic (on version 2 board) |
wdenk | c609719 | 2002-11-03 00:24:07 +0000 | [diff] [blame] | 95 | */ |
Matthias Fuchs | 049216f | 2009-02-20 10:19:18 +0100 | [diff] [blame] | 96 | out_be32((void *)GPIO0_ODR, 0x00000000); /* no open drain pins */ |
| 97 | out_be32((void *)GPIO0_TCR, CONFIG_SYS_FPGA_PRG); /* setup for output */ |
| 98 | out_be32((void *)GPIO0_OR, CONFIG_SYS_FPGA_PRG); /* set output pins to high */ |
| 99 | out_be32((void *)GPIO0_OR, 0); /* pull prg low */ |
wdenk | c609719 | 2002-11-03 00:24:07 +0000 | [diff] [blame] | 100 | |
| 101 | /* |
| 102 | * Boot onboard FPGA |
| 103 | */ |
| 104 | #ifndef CONFIG_CPCI405_VER2 |
stroese | 6f4474e | 2003-03-20 15:31:19 +0000 | [diff] [blame] | 105 | if (cpci405_version() == 1) { |
wdenk | c609719 | 2002-11-03 00:24:07 +0000 | [diff] [blame] | 106 | status = fpga_boot((unsigned char *)fpgadata, sizeof(fpgadata)); |
| 107 | if (status != 0) { |
| 108 | /* booting FPGA failed */ |
| 109 | #ifndef FPGA_DEBUG |
wdenk | c609719 | 2002-11-03 00:24:07 +0000 | [diff] [blame] | 110 | /* set up serial port with default baudrate */ |
Matthias Fuchs | f6a1f49 | 2009-01-02 12:17:36 +0100 | [diff] [blame] | 111 | (void)get_clocks(); |
wdenk | c609719 | 2002-11-03 00:24:07 +0000 | [diff] [blame] | 112 | gd->baudrate = CONFIG_BAUDRATE; |
Matthias Fuchs | f6a1f49 | 2009-01-02 12:17:36 +0100 | [diff] [blame] | 113 | serial_init(); |
wdenk | c609719 | 2002-11-03 00:24:07 +0000 | [diff] [blame] | 114 | console_init_f(); |
| 115 | #endif |
| 116 | printf("\nFPGA: Booting failed "); |
| 117 | switch (status) { |
| 118 | case ERROR_FPGA_PRG_INIT_LOW: |
Matthias Fuchs | f6a1f49 | 2009-01-02 12:17:36 +0100 | [diff] [blame] | 119 | printf("(Timeout: INIT not low after " |
| 120 | "asserting PROGRAM*)\n "); |
wdenk | c609719 | 2002-11-03 00:24:07 +0000 | [diff] [blame] | 121 | break; |
| 122 | case ERROR_FPGA_PRG_INIT_HIGH: |
Matthias Fuchs | f6a1f49 | 2009-01-02 12:17:36 +0100 | [diff] [blame] | 123 | printf("(Timeout: INIT not high after " |
| 124 | "deasserting PROGRAM*)\n "); |
wdenk | c609719 | 2002-11-03 00:24:07 +0000 | [diff] [blame] | 125 | break; |
| 126 | case ERROR_FPGA_PRG_DONE: |
Matthias Fuchs | f6a1f49 | 2009-01-02 12:17:36 +0100 | [diff] [blame] | 127 | printf("(Timeout: DONE not high after " |
| 128 | "programming FPGA)\n "); |
wdenk | c609719 | 2002-11-03 00:24:07 +0000 | [diff] [blame] | 129 | break; |
| 130 | } |
| 131 | |
| 132 | /* display infos on fpgaimage */ |
| 133 | index = 15; |
Matthias Fuchs | f6a1f49 | 2009-01-02 12:17:36 +0100 | [diff] [blame] | 134 | for (i = 0; i < 4; i++) { |
wdenk | c609719 | 2002-11-03 00:24:07 +0000 | [diff] [blame] | 135 | len = fpgadata[index]; |
Matthias Fuchs | f6a1f49 | 2009-01-02 12:17:36 +0100 | [diff] [blame] | 136 | printf("FPGA: %s\n", &(fpgadata[index + 1])); |
| 137 | index += len + 3; |
wdenk | c609719 | 2002-11-03 00:24:07 +0000 | [diff] [blame] | 138 | } |
Matthias Fuchs | f6a1f49 | 2009-01-02 12:17:36 +0100 | [diff] [blame] | 139 | putc('\n'); |
wdenk | c609719 | 2002-11-03 00:24:07 +0000 | [diff] [blame] | 140 | /* delayed reboot */ |
Matthias Fuchs | f6a1f49 | 2009-01-02 12:17:36 +0100 | [diff] [blame] | 141 | for (i = 20; i > 0; i--) { |
wdenk | c609719 | 2002-11-03 00:24:07 +0000 | [diff] [blame] | 142 | printf("Rebooting in %2d seconds \r",i); |
Matthias Fuchs | f6a1f49 | 2009-01-02 12:17:36 +0100 | [diff] [blame] | 143 | for (index = 0; index < 1000; index++) |
wdenk | c609719 | 2002-11-03 00:24:07 +0000 | [diff] [blame] | 144 | udelay(1000); |
| 145 | } |
Matthias Fuchs | f6a1f49 | 2009-01-02 12:17:36 +0100 | [diff] [blame] | 146 | putc('\n'); |
wdenk | c609719 | 2002-11-03 00:24:07 +0000 | [diff] [blame] | 147 | do_reset(NULL, 0, 0, NULL); |
| 148 | } |
| 149 | } |
| 150 | #endif /* !CONFIG_CPCI405_VER2 */ |
| 151 | |
| 152 | /* |
| 153 | * IRQ 0-15 405GP internally generated; active high; level sensitive |
| 154 | * IRQ 16 405GP internally generated; active low; level sensitive |
| 155 | * IRQ 17-24 RESERVED |
| 156 | * IRQ 25 (EXT IRQ 0) CAN0; active low; level sensitive |
Matthias Fuchs | f6a1f49 | 2009-01-02 12:17:36 +0100 | [diff] [blame] | 157 | * IRQ 26 (EXT IRQ 1) CAN1 (+FPGA on CPCI4052); active low; level sens. |
wdenk | c609719 | 2002-11-03 00:24:07 +0000 | [diff] [blame] | 158 | * IRQ 27 (EXT IRQ 2) PCI SLOT 0; active low; level sensitive |
| 159 | * IRQ 28 (EXT IRQ 3) PCI SLOT 1; active low; level sensitive |
| 160 | * IRQ 29 (EXT IRQ 4) PCI SLOT 2; active low; level sensitive |
| 161 | * IRQ 30 (EXT IRQ 5) PCI SLOT 3; active low; level sensitive |
| 162 | * IRQ 31 (EXT IRQ 6) COMPACT FLASH; active high; level sensitive |
| 163 | */ |
Stefan Roese | 952e776 | 2009-09-24 09:55:50 +0200 | [diff] [blame] | 164 | mtdcr(UIC0SR, 0xFFFFFFFF); /* clear all ints */ |
| 165 | mtdcr(UIC0ER, 0x00000000); /* disable all ints */ |
| 166 | mtdcr(UIC0CR, 0x00000000); /* set all to be non-critical*/ |
Matthias Fuchs | f6a1f49 | 2009-01-02 12:17:36 +0100 | [diff] [blame] | 167 | #if defined(CONFIG_CPCI405_6U) |
stroese | 6f4474e | 2003-03-20 15:31:19 +0000 | [diff] [blame] | 168 | if (cpci405_version() == 3) { |
Stefan Roese | 952e776 | 2009-09-24 09:55:50 +0200 | [diff] [blame] | 169 | mtdcr(UIC0PR, 0xFFFFFF99); /* set int polarities */ |
stroese | 6f4474e | 2003-03-20 15:31:19 +0000 | [diff] [blame] | 170 | } else { |
Stefan Roese | 952e776 | 2009-09-24 09:55:50 +0200 | [diff] [blame] | 171 | mtdcr(UIC0PR, 0xFFFFFF81); /* set int polarities */ |
stroese | 6f4474e | 2003-03-20 15:31:19 +0000 | [diff] [blame] | 172 | } |
Matthias Fuchs | 6f35c53 | 2007-06-24 17:41:21 +0200 | [diff] [blame] | 173 | #else |
Stefan Roese | 952e776 | 2009-09-24 09:55:50 +0200 | [diff] [blame] | 174 | mtdcr(UIC0PR, 0xFFFFFF81); /* set int polarities */ |
Matthias Fuchs | 6f35c53 | 2007-06-24 17:41:21 +0200 | [diff] [blame] | 175 | #endif |
Stefan Roese | 952e776 | 2009-09-24 09:55:50 +0200 | [diff] [blame] | 176 | mtdcr(UIC0TR, 0x10000000); /* set int trigger levels */ |
| 177 | mtdcr(UIC0VCR, 0x00000001); /* set vect base=0, |
Matthias Fuchs | f6a1f49 | 2009-01-02 12:17:36 +0100 | [diff] [blame] | 178 | * INT0 highest priority */ |
Stefan Roese | 952e776 | 2009-09-24 09:55:50 +0200 | [diff] [blame] | 179 | mtdcr(UIC0SR, 0xFFFFFFFF); /* clear all ints */ |
wdenk | c609719 | 2002-11-03 00:24:07 +0000 | [diff] [blame] | 180 | |
| 181 | return 0; |
| 182 | } |
| 183 | |
wdenk | c609719 | 2002-11-03 00:24:07 +0000 | [diff] [blame] | 184 | int ctermm2(void) |
| 185 | { |
Matthias Fuchs | f6a1f49 | 2009-01-02 12:17:36 +0100 | [diff] [blame] | 186 | #if defined(CONFIG_CPCI405_VER2) |
Wolfgang Denk | 4ef218f | 2007-07-10 00:01:28 +0200 | [diff] [blame] | 187 | return 0; /* no, board is cpci405 */ |
wdenk | c609719 | 2002-11-03 00:24:07 +0000 | [diff] [blame] | 188 | #else |
Matthias Fuchs | f6a1f49 | 2009-01-02 12:17:36 +0100 | [diff] [blame] | 189 | if ((in_8((void*)0xf0000400) == 0x00) && |
| 190 | (in_8((void*)0xf0000401) == 0x01)) |
Wolfgang Denk | 4ef218f | 2007-07-10 00:01:28 +0200 | [diff] [blame] | 191 | return 0; /* no, board is cpci405 */ |
wdenk | c609719 | 2002-11-03 00:24:07 +0000 | [diff] [blame] | 192 | else |
Wolfgang Denk | 4ef218f | 2007-07-10 00:01:28 +0200 | [diff] [blame] | 193 | return -1; /* yes, board is cterm-m2 */ |
wdenk | c609719 | 2002-11-03 00:24:07 +0000 | [diff] [blame] | 194 | #endif |
| 195 | } |
| 196 | |
wdenk | c609719 | 2002-11-03 00:24:07 +0000 | [diff] [blame] | 197 | int cpci405_host(void) |
| 198 | { |
Stefan Roese | d1c3b27 | 2009-09-09 16:25:29 +0200 | [diff] [blame] | 199 | if (mfdcr(CPC0_PSR) & PSR_PCI_ARBIT_EN) |
Wolfgang Denk | 4ef218f | 2007-07-10 00:01:28 +0200 | [diff] [blame] | 200 | return -1; /* yes, board is cpci405 host */ |
wdenk | c609719 | 2002-11-03 00:24:07 +0000 | [diff] [blame] | 201 | else |
Wolfgang Denk | 4ef218f | 2007-07-10 00:01:28 +0200 | [diff] [blame] | 202 | return 0; /* no, board is cpci405 adapter */ |
wdenk | c609719 | 2002-11-03 00:24:07 +0000 | [diff] [blame] | 203 | } |
| 204 | |
stroese | 6f4474e | 2003-03-20 15:31:19 +0000 | [diff] [blame] | 205 | int cpci405_version(void) |
wdenk | c609719 | 2002-11-03 00:24:07 +0000 | [diff] [blame] | 206 | { |
Stefan Roese | d1c3b27 | 2009-09-09 16:25:29 +0200 | [diff] [blame] | 207 | unsigned long CPC0_CR0Reg; |
wdenk | c609719 | 2002-11-03 00:24:07 +0000 | [diff] [blame] | 208 | unsigned long value; |
| 209 | |
| 210 | /* |
stroese | 6f4474e | 2003-03-20 15:31:19 +0000 | [diff] [blame] | 211 | * Setup GPIO pins (CS2/GPIO11 and CS3/GPIO12 as GPIO) |
wdenk | c609719 | 2002-11-03 00:24:07 +0000 | [diff] [blame] | 212 | */ |
Stefan Roese | d1c3b27 | 2009-09-09 16:25:29 +0200 | [diff] [blame] | 213 | CPC0_CR0Reg = mfdcr(CPC0_CR0); |
| 214 | mtdcr(CPC0_CR0, CPC0_CR0Reg | 0x03000000); |
Matthias Fuchs | 6f35c53 | 2007-06-24 17:41:21 +0200 | [diff] [blame] | 215 | out_be32((void*)GPIO0_ODR, in_be32((void*)GPIO0_ODR) & ~0x00180000); |
| 216 | out_be32((void*)GPIO0_TCR, in_be32((void*)GPIO0_TCR) & ~0x00180000); |
Matthias Fuchs | f6a1f49 | 2009-01-02 12:17:36 +0100 | [diff] [blame] | 217 | udelay(1000); /* wait some time before reading input */ |
| 218 | value = in_be32((void*)GPIO0_IR) & 0x00180000; /* get config bits */ |
wdenk | c609719 | 2002-11-03 00:24:07 +0000 | [diff] [blame] | 219 | |
| 220 | /* |
stroese | 6f4474e | 2003-03-20 15:31:19 +0000 | [diff] [blame] | 221 | * Restore GPIO settings |
wdenk | c609719 | 2002-11-03 00:24:07 +0000 | [diff] [blame] | 222 | */ |
Stefan Roese | d1c3b27 | 2009-09-09 16:25:29 +0200 | [diff] [blame] | 223 | mtdcr(CPC0_CR0, CPC0_CR0Reg); |
wdenk | c609719 | 2002-11-03 00:24:07 +0000 | [diff] [blame] | 224 | |
stroese | 6f4474e | 2003-03-20 15:31:19 +0000 | [diff] [blame] | 225 | switch (value) { |
| 226 | case 0x00180000: |
| 227 | /* CS2==1 && CS3==1 -> version 1 */ |
| 228 | return 1; |
| 229 | case 0x00080000: |
| 230 | /* CS2==0 && CS3==1 -> version 2 */ |
| 231 | return 2; |
| 232 | case 0x00100000: |
Matthias Fuchs | 6f35c53 | 2007-06-24 17:41:21 +0200 | [diff] [blame] | 233 | /* CS2==1 && CS3==0 -> version 3 or 6U board */ |
stroese | 6f4474e | 2003-03-20 15:31:19 +0000 | [diff] [blame] | 234 | return 3; |
| 235 | case 0x00000000: |
| 236 | /* CS2==0 && CS3==0 -> version 4 */ |
| 237 | return 4; |
| 238 | default: |
| 239 | /* should not be reached! */ |
| 240 | return 2; |
| 241 | } |
wdenk | c609719 | 2002-11-03 00:24:07 +0000 | [diff] [blame] | 242 | } |
| 243 | |
wdenk | c609719 | 2002-11-03 00:24:07 +0000 | [diff] [blame] | 244 | int misc_init_r (void) |
| 245 | { |
Stefan Roese | d1c3b27 | 2009-09-09 16:25:29 +0200 | [diff] [blame] | 246 | unsigned long CPC0_CR0Reg; |
wdenk | c609719 | 2002-11-03 00:24:07 +0000 | [diff] [blame] | 247 | |
stroese | 87663b1 | 2004-12-16 18:27:05 +0000 | [diff] [blame] | 248 | /* adjust flash start and offset */ |
| 249 | gd->bd->bi_flashstart = 0 - gd->bd->bi_flashsize; |
| 250 | gd->bd->bi_flashoffset = 0; |
| 251 | |
Matthias Fuchs | f6a1f49 | 2009-01-02 12:17:36 +0100 | [diff] [blame] | 252 | #if defined(CONFIG_CPCI405_VER2) |
stroese | 87663b1 | 2004-12-16 18:27:05 +0000 | [diff] [blame] | 253 | { |
wdenk | c609719 | 2002-11-03 00:24:07 +0000 | [diff] [blame] | 254 | unsigned char *dst; |
| 255 | ulong len = sizeof(fpgadata); |
| 256 | int status; |
| 257 | int index; |
| 258 | int i; |
wdenk | c609719 | 2002-11-03 00:24:07 +0000 | [diff] [blame] | 259 | |
| 260 | /* |
| 261 | * On CPCI-405 version 2 the environment is saved in eeprom! |
| 262 | * FPGA can be gzip compressed (malloc) and booted this late. |
| 263 | */ |
stroese | 6f4474e | 2003-03-20 15:31:19 +0000 | [diff] [blame] | 264 | if (cpci405_version() >= 2) { |
wdenk | c609719 | 2002-11-03 00:24:07 +0000 | [diff] [blame] | 265 | /* |
| 266 | * Setup GPIO pins (CS6+CS7 as GPIO) |
| 267 | */ |
Stefan Roese | d1c3b27 | 2009-09-09 16:25:29 +0200 | [diff] [blame] | 268 | CPC0_CR0Reg = mfdcr(CPC0_CR0); |
| 269 | mtdcr(CPC0_CR0, CPC0_CR0Reg | 0x00300000); |
wdenk | c609719 | 2002-11-03 00:24:07 +0000 | [diff] [blame] | 270 | |
Jean-Christophe PLAGNIOL-VILLARD | 6d0f6bc | 2008-10-16 15:01:15 +0200 | [diff] [blame] | 271 | dst = malloc(CONFIG_SYS_FPGA_MAX_SIZE); |
Matthias Fuchs | f6a1f49 | 2009-01-02 12:17:36 +0100 | [diff] [blame] | 272 | if (gunzip(dst, CONFIG_SYS_FPGA_MAX_SIZE, |
| 273 | (uchar *)fpgadata, &len) != 0) { |
| 274 | printf("GUNZIP ERROR - must RESET board to recover\n"); |
| 275 | do_reset(NULL, 0, 0, NULL); |
wdenk | c609719 | 2002-11-03 00:24:07 +0000 | [diff] [blame] | 276 | } |
| 277 | |
| 278 | status = fpga_boot(dst, len); |
| 279 | if (status != 0) { |
| 280 | printf("\nFPGA: Booting failed "); |
| 281 | switch (status) { |
| 282 | case ERROR_FPGA_PRG_INIT_LOW: |
Matthias Fuchs | f6a1f49 | 2009-01-02 12:17:36 +0100 | [diff] [blame] | 283 | printf("(Timeout: INIT not low after " |
| 284 | "asserting PROGRAM*)\n "); |
wdenk | c609719 | 2002-11-03 00:24:07 +0000 | [diff] [blame] | 285 | break; |
| 286 | case ERROR_FPGA_PRG_INIT_HIGH: |
Matthias Fuchs | f6a1f49 | 2009-01-02 12:17:36 +0100 | [diff] [blame] | 287 | printf("(Timeout: INIT not high after " |
| 288 | "deasserting PROGRAM*)\n "); |
wdenk | c609719 | 2002-11-03 00:24:07 +0000 | [diff] [blame] | 289 | break; |
| 290 | case ERROR_FPGA_PRG_DONE: |
Matthias Fuchs | f6a1f49 | 2009-01-02 12:17:36 +0100 | [diff] [blame] | 291 | printf("(Timeout: DONE not high after " |
| 292 | "programming FPGA)\n "); |
wdenk | c609719 | 2002-11-03 00:24:07 +0000 | [diff] [blame] | 293 | break; |
| 294 | } |
| 295 | |
| 296 | /* display infos on fpgaimage */ |
| 297 | index = 15; |
Matthias Fuchs | f6a1f49 | 2009-01-02 12:17:36 +0100 | [diff] [blame] | 298 | for (i = 0; i < 4; i++) { |
wdenk | c609719 | 2002-11-03 00:24:07 +0000 | [diff] [blame] | 299 | len = dst[index]; |
Matthias Fuchs | f6a1f49 | 2009-01-02 12:17:36 +0100 | [diff] [blame] | 300 | printf("FPGA: %s\n", &(dst[index + 1])); |
| 301 | index += len + 3; |
wdenk | c609719 | 2002-11-03 00:24:07 +0000 | [diff] [blame] | 302 | } |
Matthias Fuchs | f6a1f49 | 2009-01-02 12:17:36 +0100 | [diff] [blame] | 303 | putc('\n'); |
wdenk | c609719 | 2002-11-03 00:24:07 +0000 | [diff] [blame] | 304 | /* delayed reboot */ |
Matthias Fuchs | f6a1f49 | 2009-01-02 12:17:36 +0100 | [diff] [blame] | 305 | for (i = 20; i > 0; i--) { |
| 306 | printf("Rebooting in %2d seconds \r", i); |
| 307 | for (index = 0; index < 1000; index++) |
wdenk | c609719 | 2002-11-03 00:24:07 +0000 | [diff] [blame] | 308 | udelay(1000); |
| 309 | } |
Matthias Fuchs | f6a1f49 | 2009-01-02 12:17:36 +0100 | [diff] [blame] | 310 | putc('\n'); |
wdenk | c609719 | 2002-11-03 00:24:07 +0000 | [diff] [blame] | 311 | do_reset(NULL, 0, 0, NULL); |
| 312 | } |
| 313 | |
| 314 | /* restore gpio/cs settings */ |
Stefan Roese | d1c3b27 | 2009-09-09 16:25:29 +0200 | [diff] [blame] | 315 | mtdcr(CPC0_CR0, CPC0_CR0Reg); |
wdenk | c609719 | 2002-11-03 00:24:07 +0000 | [diff] [blame] | 316 | |
| 317 | puts("FPGA: "); |
| 318 | |
| 319 | /* display infos on fpgaimage */ |
| 320 | index = 15; |
Matthias Fuchs | f6a1f49 | 2009-01-02 12:17:36 +0100 | [diff] [blame] | 321 | for (i = 0; i < 4; i++) { |
wdenk | c609719 | 2002-11-03 00:24:07 +0000 | [diff] [blame] | 322 | len = dst[index]; |
Matthias Fuchs | f6a1f49 | 2009-01-02 12:17:36 +0100 | [diff] [blame] | 323 | printf("%s ", &(dst[index + 1])); |
| 324 | index += len + 3; |
wdenk | c609719 | 2002-11-03 00:24:07 +0000 | [diff] [blame] | 325 | } |
Matthias Fuchs | f6a1f49 | 2009-01-02 12:17:36 +0100 | [diff] [blame] | 326 | putc('\n'); |
wdenk | c609719 | 2002-11-03 00:24:07 +0000 | [diff] [blame] | 327 | |
| 328 | free(dst); |
stroese | 6f4474e | 2003-03-20 15:31:19 +0000 | [diff] [blame] | 329 | |
| 330 | /* |
| 331 | * Reset FPGA via FPGA_DATA pin |
| 332 | */ |
| 333 | SET_FPGA(FPGA_PRG | FPGA_CLK); |
| 334 | udelay(1000); /* wait 1ms */ |
| 335 | SET_FPGA(FPGA_PRG | FPGA_CLK | FPGA_DATA); |
| 336 | udelay(1000); /* wait 1ms */ |
| 337 | |
Matthias Fuchs | f6a1f49 | 2009-01-02 12:17:36 +0100 | [diff] [blame] | 338 | #if defined(CONFIG_CPCI405_6U) |
| 339 | #error HIER GETH ES WEITER MIT IO ACCESSORS |
stroese | 6f4474e | 2003-03-20 15:31:19 +0000 | [diff] [blame] | 340 | if (cpci405_version() == 3) { |
stroese | 6f4474e | 2003-03-20 15:31:19 +0000 | [diff] [blame] | 341 | /* |
| 342 | * Enable outputs in fpga on version 3 board |
| 343 | */ |
Matthias Fuchs | f6a1f49 | 2009-01-02 12:17:36 +0100 | [diff] [blame] | 344 | out_be16((void*)CONFIG_SYS_FPGA_BASE_ADDR, |
| 345 | in_be16((void*)CONFIG_SYS_FPGA_BASE_ADDR) | |
| 346 | CONFIG_SYS_FPGA_MODE_ENABLE_OUTPUT); |
stroese | 6f4474e | 2003-03-20 15:31:19 +0000 | [diff] [blame] | 347 | |
| 348 | /* |
| 349 | * Set outputs to 0 |
| 350 | */ |
Matthias Fuchs | f6a1f49 | 2009-01-02 12:17:36 +0100 | [diff] [blame] | 351 | out_8((void*)CONFIG_SYS_LED_ADDR, 0x00); |
stroese | 6f4474e | 2003-03-20 15:31:19 +0000 | [diff] [blame] | 352 | |
| 353 | /* |
| 354 | * Reset external DUART |
| 355 | */ |
Matthias Fuchs | f6a1f49 | 2009-01-02 12:17:36 +0100 | [diff] [blame] | 356 | out_be16((void*)CONFIG_SYS_FPGA_BASE_ADDR, |
| 357 | in_be16((void*)CONFIG_SYS_FPGA_BASE_ADDR) | |
| 358 | CONFIG_SYS_FPGA_MODE_DUART_RESET); |
stroese | 6f4474e | 2003-03-20 15:31:19 +0000 | [diff] [blame] | 359 | udelay(100); |
Matthias Fuchs | f6a1f49 | 2009-01-02 12:17:36 +0100 | [diff] [blame] | 360 | out_be16((void*)CONFIG_SYS_FPGA_BASE_ADDR, |
| 361 | in_be16((void*)CONFIG_SYS_FPGA_BASE_ADDR) & |
| 362 | ~CONFIG_SYS_FPGA_MODE_DUART_RESET); |
stroese | 6f4474e | 2003-03-20 15:31:19 +0000 | [diff] [blame] | 363 | } |
Matthias Fuchs | 6f35c53 | 2007-06-24 17:41:21 +0200 | [diff] [blame] | 364 | #endif |
wdenk | c609719 | 2002-11-03 00:24:07 +0000 | [diff] [blame] | 365 | } |
| 366 | else { |
stroese | 6f4474e | 2003-03-20 15:31:19 +0000 | [diff] [blame] | 367 | puts("\n*** U-Boot Version does not match Board Version!\n"); |
| 368 | puts("*** CPCI-405 Version 1.x detected!\n"); |
Matthias Fuchs | f6a1f49 | 2009-01-02 12:17:36 +0100 | [diff] [blame] | 369 | puts("*** Please use correct U-Boot version " |
| 370 | "(CPCI405 instead of CPCI4052)!\n\n"); |
wdenk | c609719 | 2002-11-03 00:24:07 +0000 | [diff] [blame] | 371 | } |
stroese | 87663b1 | 2004-12-16 18:27:05 +0000 | [diff] [blame] | 372 | } |
wdenk | c609719 | 2002-11-03 00:24:07 +0000 | [diff] [blame] | 373 | #else /* CONFIG_CPCI405_VER2 */ |
stroese | 6f4474e | 2003-03-20 15:31:19 +0000 | [diff] [blame] | 374 | if (cpci405_version() >= 2) { |
| 375 | puts("\n*** U-Boot Version does not match Board Version!\n"); |
| 376 | puts("*** CPCI-405 Board Version 2.x detected!\n"); |
Matthias Fuchs | f6a1f49 | 2009-01-02 12:17:36 +0100 | [diff] [blame] | 377 | puts("*** Please use correct U-Boot version " |
| 378 | "(CPCI4052 instead of CPCI405)!\n\n"); |
wdenk | c609719 | 2002-11-03 00:24:07 +0000 | [diff] [blame] | 379 | } |
wdenk | c609719 | 2002-11-03 00:24:07 +0000 | [diff] [blame] | 380 | #endif /* CONFIG_CPCI405_VER2 */ |
| 381 | |
| 382 | /* |
stroese | afcc4a7 | 2003-04-04 16:52:57 +0000 | [diff] [blame] | 383 | * Select cts (and not dsr) on uart1 |
| 384 | */ |
Stefan Roese | d1c3b27 | 2009-09-09 16:25:29 +0200 | [diff] [blame] | 385 | CPC0_CR0Reg = mfdcr(CPC0_CR0); |
| 386 | mtdcr(CPC0_CR0, CPC0_CR0Reg | 0x00001000); |
stroese | afcc4a7 | 2003-04-04 16:52:57 +0000 | [diff] [blame] | 387 | |
Matthias Fuchs | f6a1f49 | 2009-01-02 12:17:36 +0100 | [diff] [blame] | 388 | return 0; |
wdenk | c609719 | 2002-11-03 00:24:07 +0000 | [diff] [blame] | 389 | } |
| 390 | |
wdenk | c609719 | 2002-11-03 00:24:07 +0000 | [diff] [blame] | 391 | /* |
| 392 | * Check Board Identity: |
| 393 | */ |
| 394 | |
Matthias Fuchs | f6a1f49 | 2009-01-02 12:17:36 +0100 | [diff] [blame] | 395 | int checkboard(void) |
wdenk | c609719 | 2002-11-03 00:24:07 +0000 | [diff] [blame] | 396 | { |
| 397 | #ifndef CONFIG_CPCI405_VER2 |
| 398 | int index; |
| 399 | int len; |
| 400 | #endif |
Wolfgang Denk | 77ddac9 | 2005-10-13 16:45:02 +0200 | [diff] [blame] | 401 | char str[64]; |
Wolfgang Denk | cdb7497 | 2010-07-24 21:55:43 +0200 | [diff] [blame] | 402 | int i = getenv_f("serial#", str, sizeof(str)); |
stroese | 6f4474e | 2003-03-20 15:31:19 +0000 | [diff] [blame] | 403 | unsigned short ver; |
wdenk | c609719 | 2002-11-03 00:24:07 +0000 | [diff] [blame] | 404 | |
Matthias Fuchs | f6a1f49 | 2009-01-02 12:17:36 +0100 | [diff] [blame] | 405 | puts("Board: "); |
wdenk | c609719 | 2002-11-03 00:24:07 +0000 | [diff] [blame] | 406 | |
Matthias Fuchs | f6a1f49 | 2009-01-02 12:17:36 +0100 | [diff] [blame] | 407 | if (i == -1) |
| 408 | puts("### No HW ID - assuming CPCI405"); |
| 409 | else |
wdenk | c609719 | 2002-11-03 00:24:07 +0000 | [diff] [blame] | 410 | puts(str); |
wdenk | c609719 | 2002-11-03 00:24:07 +0000 | [diff] [blame] | 411 | |
stroese | 6f4474e | 2003-03-20 15:31:19 +0000 | [diff] [blame] | 412 | ver = cpci405_version(); |
| 413 | printf(" (Ver %d.x, ", ver); |
wdenk | c609719 | 2002-11-03 00:24:07 +0000 | [diff] [blame] | 414 | |
wdenk | c609719 | 2002-11-03 00:24:07 +0000 | [diff] [blame] | 415 | if (ctermm2()) { |
Wolfgang Denk | 77ddac9 | 2005-10-13 16:45:02 +0200 | [diff] [blame] | 416 | char str[4]; |
stroese | 1b55440 | 2003-09-12 08:44:46 +0000 | [diff] [blame] | 417 | |
| 418 | /* |
| 419 | * Read board-id and save in env-variable |
| 420 | */ |
| 421 | sprintf(str, "%d", *(unsigned char *)0xf0000400); |
| 422 | setenv("boardid", str); |
| 423 | printf("CTERM-M2 - Id=%s)", str); |
wdenk | c609719 | 2002-11-03 00:24:07 +0000 | [diff] [blame] | 424 | } else { |
Matthias Fuchs | f6a1f49 | 2009-01-02 12:17:36 +0100 | [diff] [blame] | 425 | if (cpci405_host()) |
| 426 | puts("PCI Host Version)"); |
| 427 | else |
| 428 | puts("PCI Adapter Version)"); |
wdenk | c609719 | 2002-11-03 00:24:07 +0000 | [diff] [blame] | 429 | } |
| 430 | |
| 431 | #ifndef CONFIG_CPCI405_VER2 |
Matthias Fuchs | f6a1f49 | 2009-01-02 12:17:36 +0100 | [diff] [blame] | 432 | puts("\nFPGA: "); |
wdenk | c609719 | 2002-11-03 00:24:07 +0000 | [diff] [blame] | 433 | |
| 434 | /* display infos on fpgaimage */ |
| 435 | index = 15; |
Matthias Fuchs | f6a1f49 | 2009-01-02 12:17:36 +0100 | [diff] [blame] | 436 | for (i = 0; i < 4; i++) { |
wdenk | c609719 | 2002-11-03 00:24:07 +0000 | [diff] [blame] | 437 | len = fpgadata[index]; |
Matthias Fuchs | f6a1f49 | 2009-01-02 12:17:36 +0100 | [diff] [blame] | 438 | printf("%s ", &(fpgadata[index + 1])); |
| 439 | index += len + 3; |
wdenk | c609719 | 2002-11-03 00:24:07 +0000 | [diff] [blame] | 440 | } |
| 441 | #endif |
| 442 | |
Matthias Fuchs | f6a1f49 | 2009-01-02 12:17:36 +0100 | [diff] [blame] | 443 | putc('\n'); |
wdenk | c609719 | 2002-11-03 00:24:07 +0000 | [diff] [blame] | 444 | return 0; |
| 445 | } |
| 446 | |
Matthias Fuchs | 6f35c53 | 2007-06-24 17:41:21 +0200 | [diff] [blame] | 447 | void reset_phy(void) |
wdenk | c609719 | 2002-11-03 00:24:07 +0000 | [diff] [blame] | 448 | { |
Matthias Fuchs | f6a1f49 | 2009-01-02 12:17:36 +0100 | [diff] [blame] | 449 | #if defined(CONFIG_LXT971_NO_SLEEP) |
wdenk | c609719 | 2002-11-03 00:24:07 +0000 | [diff] [blame] | 450 | |
Matthias Fuchs | 6f35c53 | 2007-06-24 17:41:21 +0200 | [diff] [blame] | 451 | /* |
| 452 | * Disable sleep mode in LXT971 |
| 453 | */ |
| 454 | lxt971_no_sleep(); |
| 455 | #endif |
wdenk | c609719 | 2002-11-03 00:24:07 +0000 | [diff] [blame] | 456 | } |
| 457 | |
Matthias Fuchs | f6a1f49 | 2009-01-02 12:17:36 +0100 | [diff] [blame] | 458 | #if defined(CONFIG_CPCI405_VER2) && defined (CONFIG_IDE_RESET) |
wdenk | c609719 | 2002-11-03 00:24:07 +0000 | [diff] [blame] | 459 | void ide_set_reset(int on) |
| 460 | { |
wdenk | c609719 | 2002-11-03 00:24:07 +0000 | [diff] [blame] | 461 | /* |
| 462 | * Assert or deassert CompactFlash Reset Pin |
| 463 | */ |
Matthias Fuchs | f6a1f49 | 2009-01-02 12:17:36 +0100 | [diff] [blame] | 464 | if (on) { /* assert RESET */ |
| 465 | out_be16((void*)CONFIG_SYS_FPGA_BASE_ADDR, |
| 466 | in_be16((void*)CONFIG_SYS_FPGA_BASE_ADDR) & |
| 467 | ~CONFIG_SYS_FPGA_MODE_CF_RESET); |
| 468 | } else { /* release RESET */ |
| 469 | out_be16((void*)CONFIG_SYS_FPGA_BASE_ADDR, |
| 470 | in_be16((void*)CONFIG_SYS_FPGA_BASE_ADDR) | |
| 471 | CONFIG_SYS_FPGA_MODE_CF_RESET); |
wdenk | c609719 | 2002-11-03 00:24:07 +0000 | [diff] [blame] | 472 | } |
| 473 | } |
| 474 | |
Matthias Fuchs | f6a1f49 | 2009-01-02 12:17:36 +0100 | [diff] [blame] | 475 | #endif /* CONFIG_IDE_RESET && CONFIG_CPCI405_VER2 */ |
wdenk | c609719 | 2002-11-03 00:24:07 +0000 | [diff] [blame] | 476 | |
Stefan Roese | 466fff1 | 2007-06-25 15:57:39 +0200 | [diff] [blame] | 477 | #if defined(CONFIG_PCI) |
Matthias Fuchs | 6f35c53 | 2007-06-24 17:41:21 +0200 | [diff] [blame] | 478 | void cpci405_pci_fixup_irq(struct pci_controller *hose, pci_dev_t dev) |
| 479 | { |
| 480 | unsigned char int_line = 0xff; |
| 481 | |
| 482 | /* |
| 483 | * Write pci interrupt line register (cpci405 specific) |
| 484 | */ |
| 485 | switch (PCI_DEV(dev) & 0x03) { |
| 486 | case 0: |
| 487 | int_line = 27 + 2; |
| 488 | break; |
| 489 | case 1: |
| 490 | int_line = 27 + 3; |
| 491 | break; |
| 492 | case 2: |
| 493 | int_line = 27 + 0; |
| 494 | break; |
| 495 | case 3: |
| 496 | int_line = 27 + 1; |
| 497 | break; |
| 498 | } |
| 499 | |
| 500 | pci_hose_write_config_byte(hose, dev, PCI_INTERRUPT_LINE, int_line); |
| 501 | } |
| 502 | |
| 503 | int pci_pre_init(struct pci_controller *hose) |
| 504 | { |
| 505 | hose->fixup_irq = cpci405_pci_fixup_irq; |
| 506 | return 1; |
| 507 | } |
Stefan Roese | 466fff1 | 2007-06-25 15:57:39 +0200 | [diff] [blame] | 508 | #endif /* defined(CONFIG_PCI) */ |
Matthias Fuchs | 6f35c53 | 2007-06-24 17:41:21 +0200 | [diff] [blame] | 509 | |
Matthias Fuchs | 600fe46 | 2009-01-02 12:18:12 +0100 | [diff] [blame] | 510 | #if defined(CONFIG_OF_LIBFDT) && defined(CONFIG_OF_BOARD_SETUP) |
| 511 | void ft_board_setup(void *blob, bd_t *bd) |
| 512 | { |
| 513 | int rc; |
| 514 | |
| 515 | __ft_board_setup(blob, bd); |
| 516 | |
| 517 | /* |
| 518 | * Disable PCI in adapter mode. |
| 519 | */ |
| 520 | if (!cpci405_host()) { |
| 521 | rc = fdt_find_and_setprop(blob, "/plb/pci@ec000000", "status", |
| 522 | "disabled", sizeof("disabled"), 1); |
| 523 | if (rc) { |
| 524 | printf("Unable to update property status in PCI node, " |
| 525 | "err=%s\n", |
| 526 | fdt_strerror(rc)); |
| 527 | } |
| 528 | } |
| 529 | } |
| 530 | #endif /* defined(CONFIG_OF_LIBFDT) && defined(CONFIG_OF_BOARD_SETUP) */ |
| 531 | |
Matthias Fuchs | f6a1f49 | 2009-01-02 12:17:36 +0100 | [diff] [blame] | 532 | #if defined(CONFIG_CPCI405AB) |
| 533 | #define ONE_WIRE_CLEAR out_be16((void*)(CONFIG_SYS_FPGA_BASE_ADDR + \ |
| 534 | CONFIG_SYS_FPGA_MODE), \ |
| 535 | in_be16((void*)(CONFIG_SYS_FPGA_BASE_ADDR + \ |
| 536 | CONFIG_SYS_FPGA_MODE)) | \ |
| 537 | CONFIG_SYS_FPGA_MODE_1WIRE_DIR) |
Matthias Fuchs | 6f35c53 | 2007-06-24 17:41:21 +0200 | [diff] [blame] | 538 | |
Matthias Fuchs | f6a1f49 | 2009-01-02 12:17:36 +0100 | [diff] [blame] | 539 | #define ONE_WIRE_SET out_be16((void*)(CONFIG_SYS_FPGA_BASE_ADDR + \ |
| 540 | CONFIG_SYS_FPGA_MODE), \ |
| 541 | in_be16((void*)(CONFIG_SYS_FPGA_BASE_ADDR + \ |
| 542 | CONFIG_SYS_FPGA_MODE)) & \ |
| 543 | ~CONFIG_SYS_FPGA_MODE_1WIRE_DIR) |
stroese | 1b55440 | 2003-09-12 08:44:46 +0000 | [diff] [blame] | 544 | |
Matthias Fuchs | f6a1f49 | 2009-01-02 12:17:36 +0100 | [diff] [blame] | 545 | #define ONE_WIRE_GET (in_be16((void*)(CONFIG_SYS_FPGA_BASE_ADDR + \ |
| 546 | CONFIG_SYS_FPGA_STATUS)) & \ |
| 547 | CONFIG_SYS_FPGA_MODE_1WIRE) |
stroese | 1b55440 | 2003-09-12 08:44:46 +0000 | [diff] [blame] | 548 | |
| 549 | /* |
| 550 | * Generate a 1-wire reset, return 1 if no presence detect was found, |
| 551 | * return 0 otherwise. |
| 552 | * (NOTE: Does not handle alarm presence from DS2404/DS1994) |
| 553 | */ |
| 554 | int OWTouchReset(void) |
stroese | d4629c8 | 2003-05-23 11:30:39 +0000 | [diff] [blame] | 555 | { |
stroese | 1b55440 | 2003-09-12 08:44:46 +0000 | [diff] [blame] | 556 | int result; |
stroese | d4629c8 | 2003-05-23 11:30:39 +0000 | [diff] [blame] | 557 | |
stroese | 1b55440 | 2003-09-12 08:44:46 +0000 | [diff] [blame] | 558 | ONE_WIRE_CLEAR; |
| 559 | udelay(480); |
| 560 | ONE_WIRE_SET; |
| 561 | udelay(70); |
stroese | d4629c8 | 2003-05-23 11:30:39 +0000 | [diff] [blame] | 562 | |
stroese | 1b55440 | 2003-09-12 08:44:46 +0000 | [diff] [blame] | 563 | result = ONE_WIRE_GET; |
| 564 | |
| 565 | udelay(410); |
| 566 | return result; |
stroese | d4629c8 | 2003-05-23 11:30:39 +0000 | [diff] [blame] | 567 | } |
| 568 | |
stroese | 1b55440 | 2003-09-12 08:44:46 +0000 | [diff] [blame] | 569 | /* |
| 570 | * Send 1 a 1-wire write bit. |
| 571 | * Provide 10us recovery time. |
| 572 | */ |
| 573 | void OWWriteBit(int bit) |
stroese | d4629c8 | 2003-05-23 11:30:39 +0000 | [diff] [blame] | 574 | { |
stroese | 1b55440 | 2003-09-12 08:44:46 +0000 | [diff] [blame] | 575 | if (bit) { |
| 576 | /* |
| 577 | * write '1' bit |
| 578 | */ |
| 579 | ONE_WIRE_CLEAR; |
| 580 | udelay(6); |
| 581 | ONE_WIRE_SET; |
| 582 | udelay(64); |
| 583 | } else { |
| 584 | /* |
| 585 | * write '0' bit |
| 586 | */ |
| 587 | ONE_WIRE_CLEAR; |
| 588 | udelay(60); |
| 589 | ONE_WIRE_SET; |
| 590 | udelay(10); |
stroese | d4629c8 | 2003-05-23 11:30:39 +0000 | [diff] [blame] | 591 | } |
stroese | d4629c8 | 2003-05-23 11:30:39 +0000 | [diff] [blame] | 592 | } |
| 593 | |
stroese | 1b55440 | 2003-09-12 08:44:46 +0000 | [diff] [blame] | 594 | /* |
| 595 | * Read a bit from the 1-wire bus and return it. |
| 596 | * Provide 10us recovery time. |
| 597 | */ |
| 598 | int OWReadBit(void) |
| 599 | { |
| 600 | int result; |
| 601 | |
| 602 | ONE_WIRE_CLEAR; |
| 603 | udelay(6); |
| 604 | ONE_WIRE_SET; |
| 605 | udelay(9); |
| 606 | |
| 607 | result = ONE_WIRE_GET; |
| 608 | |
| 609 | udelay(55); |
| 610 | return result; |
| 611 | } |
| 612 | |
stroese | 1b55440 | 2003-09-12 08:44:46 +0000 | [diff] [blame] | 613 | void OWWriteByte(int data) |
| 614 | { |
| 615 | int loop; |
| 616 | |
Matthias Fuchs | f6a1f49 | 2009-01-02 12:17:36 +0100 | [diff] [blame] | 617 | for (loop = 0; loop < 8; loop++) { |
stroese | 1b55440 | 2003-09-12 08:44:46 +0000 | [diff] [blame] | 618 | OWWriteBit(data & 0x01); |
| 619 | data >>= 1; |
| 620 | } |
| 621 | } |
| 622 | |
stroese | 1b55440 | 2003-09-12 08:44:46 +0000 | [diff] [blame] | 623 | int OWReadByte(void) |
| 624 | { |
| 625 | int loop, result = 0; |
| 626 | |
Matthias Fuchs | f6a1f49 | 2009-01-02 12:17:36 +0100 | [diff] [blame] | 627 | for (loop = 0; loop < 8; loop++) { |
stroese | 1b55440 | 2003-09-12 08:44:46 +0000 | [diff] [blame] | 628 | result >>= 1; |
Matthias Fuchs | f6a1f49 | 2009-01-02 12:17:36 +0100 | [diff] [blame] | 629 | if (OWReadBit()) |
stroese | 1b55440 | 2003-09-12 08:44:46 +0000 | [diff] [blame] | 630 | result |= 0x80; |
stroese | 1b55440 | 2003-09-12 08:44:46 +0000 | [diff] [blame] | 631 | } |
| 632 | |
| 633 | return result; |
| 634 | } |
| 635 | |
Wolfgang Denk | 54841ab | 2010-06-28 22:00:46 +0200 | [diff] [blame] | 636 | int do_onewire(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) |
stroese | 1b55440 | 2003-09-12 08:44:46 +0000 | [diff] [blame] | 637 | { |
Matthias Fuchs | f6a1f49 | 2009-01-02 12:17:36 +0100 | [diff] [blame] | 638 | unsigned short val; |
stroese | 1b55440 | 2003-09-12 08:44:46 +0000 | [diff] [blame] | 639 | int result; |
| 640 | int i; |
| 641 | unsigned char ow_id[6]; |
Wolfgang Denk | 77ddac9 | 2005-10-13 16:45:02 +0200 | [diff] [blame] | 642 | char str[32]; |
stroese | 1b55440 | 2003-09-12 08:44:46 +0000 | [diff] [blame] | 643 | |
| 644 | /* |
| 645 | * Clear 1-wire bit (open drain with pull-up) |
| 646 | */ |
Matthias Fuchs | f6a1f49 | 2009-01-02 12:17:36 +0100 | [diff] [blame] | 647 | val = in_be16((void*)(CONFIG_SYS_FPGA_BASE_ADDR + |
| 648 | CONFIG_SYS_FPGA_MODE)); |
| 649 | val &= ~CONFIG_SYS_FPGA_MODE_1WIRE; /* clear 1-wire bit */ |
| 650 | out_be16((void*)(CONFIG_SYS_FPGA_BASE_ADDR + |
| 651 | CONFIG_SYS_FPGA_MODE), val); |
stroese | 1b55440 | 2003-09-12 08:44:46 +0000 | [diff] [blame] | 652 | |
| 653 | result = OWTouchReset(); |
Matthias Fuchs | f6a1f49 | 2009-01-02 12:17:36 +0100 | [diff] [blame] | 654 | if (result != 0) |
stroese | 1b55440 | 2003-09-12 08:44:46 +0000 | [diff] [blame] | 655 | puts("No 1-wire device detected!\n"); |
stroese | 1b55440 | 2003-09-12 08:44:46 +0000 | [diff] [blame] | 656 | |
| 657 | OWWriteByte(0x33); /* send read rom command */ |
| 658 | OWReadByte(); /* skip family code ( == 0x01) */ |
Matthias Fuchs | f6a1f49 | 2009-01-02 12:17:36 +0100 | [diff] [blame] | 659 | for (i = 0; i < 6; i++) |
stroese | 1b55440 | 2003-09-12 08:44:46 +0000 | [diff] [blame] | 660 | ow_id[i] = OWReadByte(); |
Matthias Fuchs | 1affd5c | 2011-11-24 05:39:21 +0000 | [diff] [blame] | 661 | OWReadByte(); /* read crc */ |
stroese | 1b55440 | 2003-09-12 08:44:46 +0000 | [diff] [blame] | 662 | |
Matthias Fuchs | 1affd5c | 2011-11-24 05:39:21 +0000 | [diff] [blame] | 663 | sprintf(str, "%02X%02X%02X%02X%02X%02X", |
| 664 | ow_id[0], ow_id[1], ow_id[2], ow_id[3], ow_id[4], ow_id[5]); |
stroese | 1b55440 | 2003-09-12 08:44:46 +0000 | [diff] [blame] | 665 | printf("Setting environment variable 'ow_id' to %s\n", str); |
| 666 | setenv("ow_id", str); |
| 667 | |
| 668 | return 0; |
| 669 | } |
| 670 | U_BOOT_CMD( |
| 671 | onewire, 1, 1, do_onewire, |
Peter Tyser | 2fb2604 | 2009-01-27 18:03:12 -0600 | [diff] [blame] | 672 | "Read 1-write ID", |
Wolfgang Denk | a89c33d | 2009-05-24 17:06:54 +0200 | [diff] [blame] | 673 | "" |
| 674 | ); |
stroese | 1b55440 | 2003-09-12 08:44:46 +0000 | [diff] [blame] | 675 | |
Matthias Fuchs | f6a1f49 | 2009-01-02 12:17:36 +0100 | [diff] [blame] | 676 | #define CONFIG_SYS_I2C_EEPROM_ADDR_2 0x51 /* EEPROM CAT24WC32 */ |
| 677 | #define CONFIG_ENV_SIZE_2 0x800 /* 2048 bytes may be used for env vars */ |
stroese | 87663b1 | 2004-12-16 18:27:05 +0000 | [diff] [blame] | 678 | |
| 679 | /* |
| 680 | * Write backplane ip-address... |
| 681 | */ |
Wolfgang Denk | 54841ab | 2010-06-28 22:00:46 +0200 | [diff] [blame] | 682 | int do_get_bpip(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) |
stroese | 87663b1 | 2004-12-16 18:27:05 +0000 | [diff] [blame] | 683 | { |
stroese | 87663b1 | 2004-12-16 18:27:05 +0000 | [diff] [blame] | 684 | char *buf; |
| 685 | ulong crc; |
| 686 | char str[32]; |
| 687 | char *ptr; |
| 688 | IPaddr_t ipaddr; |
| 689 | |
Jean-Christophe PLAGNIOL-VILLARD | 0e8d158 | 2008-09-10 22:48:06 +0200 | [diff] [blame] | 690 | buf = malloc(CONFIG_ENV_SIZE_2); |
Matthias Fuchs | f6a1f49 | 2009-01-02 12:17:36 +0100 | [diff] [blame] | 691 | if (eeprom_read(CONFIG_SYS_I2C_EEPROM_ADDR_2, 0, |
| 692 | (uchar *)buf, CONFIG_ENV_SIZE_2)) |
stroese | 87663b1 | 2004-12-16 18:27:05 +0000 | [diff] [blame] | 693 | puts("\nError reading backplane EEPROM!\n"); |
Matthias Fuchs | f6a1f49 | 2009-01-02 12:17:36 +0100 | [diff] [blame] | 694 | else { |
| 695 | crc = crc32(0, (uchar *)(buf+4), CONFIG_ENV_SIZE_2 - 4); |
stroese | 87663b1 | 2004-12-16 18:27:05 +0000 | [diff] [blame] | 696 | if (crc != *(ulong *)buf) { |
Matthias Fuchs | f6a1f49 | 2009-01-02 12:17:36 +0100 | [diff] [blame] | 697 | printf("ERROR: crc mismatch %08lx %08lx\n", |
| 698 | crc, *(ulong *)buf); |
stroese | 87663b1 | 2004-12-16 18:27:05 +0000 | [diff] [blame] | 699 | return -1; |
| 700 | } |
| 701 | |
| 702 | /* |
| 703 | * Find bp_ip |
| 704 | */ |
| 705 | ptr = strstr(buf+4, "bp_ip="); |
| 706 | if (ptr == NULL) { |
| 707 | printf("ERROR: bp_ip not found!\n"); |
| 708 | return -1; |
| 709 | } |
| 710 | ptr += 6; |
| 711 | ipaddr = string_to_ip(ptr); |
| 712 | |
| 713 | /* |
| 714 | * Update whole ip-addr |
| 715 | */ |
Joe Hershberger | 9aabb2f | 2012-05-22 07:56:13 +0000 | [diff] [blame] | 716 | sprintf(str, "%pI4", &ipaddr); |
stroese | 87663b1 | 2004-12-16 18:27:05 +0000 | [diff] [blame] | 717 | setenv("ipaddr", str); |
| 718 | printf("Updated ip_addr from bp_eeprom to %s!\n", str); |
| 719 | } |
| 720 | |
| 721 | free(buf); |
| 722 | |
| 723 | return 0; |
| 724 | } |
| 725 | U_BOOT_CMD( |
| 726 | getbpip, 1, 1, do_get_bpip, |
Peter Tyser | 2fb2604 | 2009-01-27 18:03:12 -0600 | [diff] [blame] | 727 | "Update IP-Address with Backplane IP-Address", |
Wolfgang Denk | a89c33d | 2009-05-24 17:06:54 +0200 | [diff] [blame] | 728 | "" |
| 729 | ); |
stroese | 87663b1 | 2004-12-16 18:27:05 +0000 | [diff] [blame] | 730 | |
| 731 | /* |
| 732 | * Set and print backplane ip... |
| 733 | */ |
Wolfgang Denk | 54841ab | 2010-06-28 22:00:46 +0200 | [diff] [blame] | 734 | int do_set_bpip(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) |
stroese | 87663b1 | 2004-12-16 18:27:05 +0000 | [diff] [blame] | 735 | { |
| 736 | char *buf; |
Wolfgang Denk | 77ddac9 | 2005-10-13 16:45:02 +0200 | [diff] [blame] | 737 | char str[32]; |
stroese | 87663b1 | 2004-12-16 18:27:05 +0000 | [diff] [blame] | 738 | ulong crc; |
| 739 | |
| 740 | if (argc < 2) { |
| 741 | puts("ERROR!\n"); |
| 742 | return -1; |
| 743 | } |
| 744 | |
| 745 | printf("Setting bp_ip to %s\n", argv[1]); |
Jean-Christophe PLAGNIOL-VILLARD | 0e8d158 | 2008-09-10 22:48:06 +0200 | [diff] [blame] | 746 | buf = malloc(CONFIG_ENV_SIZE_2); |
| 747 | memset(buf, 0, CONFIG_ENV_SIZE_2); |
stroese | 87663b1 | 2004-12-16 18:27:05 +0000 | [diff] [blame] | 748 | sprintf(str, "bp_ip=%s", argv[1]); |
| 749 | strcpy(buf+4, str); |
Matthias Fuchs | f6a1f49 | 2009-01-02 12:17:36 +0100 | [diff] [blame] | 750 | crc = crc32(0, (uchar *)(buf+4), CONFIG_ENV_SIZE_2 - 4); |
stroese | 87663b1 | 2004-12-16 18:27:05 +0000 | [diff] [blame] | 751 | *(ulong *)buf = crc; |
| 752 | |
Matthias Fuchs | f6a1f49 | 2009-01-02 12:17:36 +0100 | [diff] [blame] | 753 | if (eeprom_write(CONFIG_SYS_I2C_EEPROM_ADDR_2, |
| 754 | 0, (uchar *)buf, CONFIG_ENV_SIZE_2)) |
stroese | 87663b1 | 2004-12-16 18:27:05 +0000 | [diff] [blame] | 755 | puts("\nError writing backplane EEPROM!\n"); |
stroese | 87663b1 | 2004-12-16 18:27:05 +0000 | [diff] [blame] | 756 | |
| 757 | free(buf); |
| 758 | |
| 759 | return 0; |
| 760 | } |
| 761 | U_BOOT_CMD( |
| 762 | setbpip, 2, 1, do_set_bpip, |
Peter Tyser | 2fb2604 | 2009-01-27 18:03:12 -0600 | [diff] [blame] | 763 | "Write Backplane IP-Address", |
Wolfgang Denk | a89c33d | 2009-05-24 17:06:54 +0200 | [diff] [blame] | 764 | "" |
| 765 | ); |
stroese | 87663b1 | 2004-12-16 18:27:05 +0000 | [diff] [blame] | 766 | |
stroese | 1b55440 | 2003-09-12 08:44:46 +0000 | [diff] [blame] | 767 | #endif /* CONFIG_CPCI405AB */ |