packages/hal/arm/mx51/3stack/v2_0/src/redboot_cmds.c

   1 //==========================================================================
   2 //
   3 //      redboot_cmds.c
   4 //
   5 //      Board [platform] specific RedBoot commands
   6 //
   7 //==========================================================================
   8 //####ECOSGPLCOPYRIGHTBEGIN####
   9 // -------------------------------------------
  10 // This file is part of eCos, the Embedded Configurable Operating System.
  11 // Copyright (C) 1998, 1999, 2000, 2001, 2002 Red Hat, Inc.
  12 //
  13 // eCos is free software; you can redistribute it and/or modify it under
  14 // the terms of the GNU General Public License as published by the Free
  15 // Software Foundation; either version 2 or (at your option) any later version.
  16 //
  17 // eCos is distributed in the hope that it will be useful, but WITHOUT ANY
  18 // WARRANTY; without even the implied warranty of MERCHANTABILITY or
  19 // FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  20 // for more details.
  21 //
  22 // You should have received a copy of the GNU General Public License along
  23 // with eCos; if not, write to the Free Software Foundation, Inc.,
  24 // 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
  25 //
  26 // As a special exception, if other files instantiate templates or use macros
  27 // or inline functions from this file, or you compile this file and link it
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  29 // by itself cause the resulting work to be covered by the GNU General Public
  30 // License. However the source code for this file must still be made available
  31 // in accordance with section (3) of the GNU General Public License.
  32 //
  33 // This exception does not invalidate any other reasons why a work based on
  34 // this file might be covered by the GNU General Public License.
  35 //
  36 // Alternative licenses for eCos may be arranged by contacting Red Hat, Inc.
  37 // at http://sources.redhat.com/ecos/ecos-license/
  38 // -------------------------------------------
  39 //####ECOSGPLCOPYRIGHTEND####
  40 //==========================================================================
  41 #include <redboot.h>
  42 #include <cyg/hal/hal_intr.h>
  43 #include <cyg/hal/hal_cache.h>
  44 #include <cyg/hal/plf_mmap.h>
  45 #include <cyg/hal/fsl_board.h>          // Platform specific hardware definitions
  46
  47 #ifdef CYGSEM_REDBOOT_FLASH_CONFIG
  48 #include <flash_config.h>
  49
  50 #if (REDBOOT_IMAGE_SIZE != CYGBLD_REDBOOT_MIN_IMAGE_SIZE)
  51 #error REDBOOT_IMAGE_SIZE != CYGBLD_REDBOOT_MIN_IMAGE_SIZE
  52 #endif
  53
  54 RedBoot_config_option("Board specifics",
  55                                         brd_specs,
  56                                         ALWAYS_ENABLED,
  57                                         true,
  58                                         CONFIG_INT,
  59                                         0
  60         );
  61 #endif  //CYGSEM_REDBOOT_FLASH_CONFIG
  62
  63 char HAL_PLATFORM_EXTRA[40] = "PASS x.x [x32 DDR]";
  64
  65 #if defined(CYGSEM_REDBOOT_FLASH_CONFIG) && defined(CYG_HAL_STARTUP_ROMRAM)
  66
  67 RedBoot_cmd("romupdate",
  68                         "Update Redboot with currently running image",
  69                         "",
  70                         romupdate
  71         );
  72
  73 extern int flash_program(void *_addr, void *_data, int len, void **err_addr);
  74 extern int flash_erase(void *addr, int len, void **err_addr);
  75 extern char *flash_errmsg(int err);
  76 extern unsigned char *ram_end; //ram end is where the redboot starts FIXME: use PC value
  77 extern cyg_uint32 emmc_set_boot_partition (cyg_uint32 *src_ptr, cyg_uint32 length);
  78 extern cyg_uint32 esd_set_boot_partition(cyg_uint32 *src_ptr, cyg_uint32 length);
  79 extern cyg_uint32 mmc_data_write(cyg_uint32 *src_ptr, cyg_uint32 length, cyg_uint32 offset);
  80 extern cyg_uint32 mmc_data_read(cyg_uint32 *dest_ptr, cyg_uint32 length, cyg_uint32 offset);
  81
  82 #ifdef CYGPKG_IO_FLASH
  83 void romupdate(int argc, char *argv[])
  84 {
  85         void *err_addr, *base_addr;
  86         int stat;
  87         unsigned int nfc_config3_reg = 0, temp;
  88
  89         if (IS_FIS_FROM_MMC() || IS_BOOTING_FROM_MMC()) {
  90                 diag_printf("Updating ROM in MMC/SD flash\n");
  91                 /* eMMC 4.3 and eSD 2.1 supported only on TO 2.0 and higher */
  92                 if (((system_rev >> MAJOR_NUMBER_OFFSET) & 0xf) >= 0x2) {
  93                         if(!emmc_set_boot_partition((cyg_uint32*)ram_end, CYGBLD_REDBOOT_MIN_IMAGE_SIZE)) {
  94                                 /* eMMC 4.3 */
  95                                 diag_printf("Card supports MMC-4.3, programming for boot operation.\n");
  96                                 return;
  97                         } else if(!esd_set_boot_partition((cyg_uint32*)ram_end, CYGBLD_REDBOOT_MIN_IMAGE_SIZE)) {
  98                                 /* eSD 2.1 */
  99                                 diag_printf("Card supports SD-2.1, programming for boot operation.\n");
 100                                 return;
 101                         }
 102                 }
 103                 base_addr = NULL;
 104                 /* Read the first 1K from the card */
 105                 mmc_data_read((cyg_uint32*)ram_end, 0x400, (cyg_uint32)base_addr);
 106                 diag_printf("Programming Redboot to MMC/SD flash\n");
 107                 mmc_data_write((cyg_uint32*)ram_end, CYGBLD_REDBOOT_MIN_IMAGE_SIZE, (cyg_uint32)base_addr);
 108
 109                 return;
 110         } else if (IS_FIS_FROM_NAND() || IS_BOOTING_FROM_NAND()) {
 111                 diag_printf("Updating ROM in NAND flash\n");
 112                 base_addr = NULL;
 113                 nfc_config3_reg = readl(NFC_FLASH_CONFIG3_REG);
 114                 temp = nfc_config3_reg & ~0x7003;
 115                 writel(temp, NFC_FLASH_CONFIG3_REG);
 116         } else if (IS_BOOTING_FROM_SPI_NOR() || IS_FIS_FROM_SPI_NOR()) {
 117                 diag_printf("Updating ROM in SPI-NOR flash\n");
 118                 base_addr = NULL;
 119         } else {
 120                 diag_printf("romupdate not supported\n");
 121                 diag_printf("Use \"factive [NAND|MMC|SPI]\" to select either NAND, MMC or SPI flash\n");
 122         }
 123
 124         // Erase area to be programmed
 125         if ((stat = flash_erase(base_addr,
 126                                                                         CYGBLD_REDBOOT_MIN_IMAGE_SIZE,
 127                                                                         &err_addr)) != 0) {
 128                 diag_printf("Can't erase region at %p: %s\n",
 129                                         err_addr, flash_errmsg(stat));
 130                 return;
 131         }
 132         // Now program it
 133         if ((stat = flash_program((void *)base_addr, (void *)ram_end,
 134                                                                         CYGBLD_REDBOOT_MIN_IMAGE_SIZE,
 135                                                                         (void **)&err_addr)) != 0) {
 136                 diag_printf("Can't program region at %p: %s\n",
 137                                         err_addr, flash_errmsg(stat));
 138         }
 139         if (IS_FIS_FROM_NAND() || IS_BOOTING_FROM_NAND())
 140                 writel(nfc_config3_reg, NFC_FLASH_CONFIG3_REG);
 141 }
 142 RedBoot_cmd("factive",
 143                         "Enable one flash media for Redboot",
 144                         "[NAND | MMC | SPI]",
 145                         factive
 146         );
 147
 148 typedef void reset_func_t(void);
 149
 150 extern reset_func_t reset_vector;
 151
 152 static void launchRunImg(unsigned long addr)
 153 {
 154         asm volatile ("mov r1, r0;");
 155         HAL_MMU_OFF();
 156         asm volatile (
 157                 "mov r11, #0;"
 158                 "mov r12, #0;"
 159                 "mrs r10, cpsr;"
 160                 "bic r10, r10, #0xF0000000;"
 161                 "msr cpsr_f, r10;"
 162                 "mov pc, r1"
 163                 );
 164 }
 165
 166 void factive(int argc, char *argv[])
 167 {
 168         unsigned int *fis_addr = (unsigned int *)IRAM_BASE_ADDR;
 169
 170         if (argc != 2) {
 171                 diag_printf("Invalid factive cmd\n");
 172                 return;
 173         }
 174
 175         if (strcasecmp(argv[1], "NOR") == 0) {
 176                 diag_printf("Not supported\n");
 177                 return;
 178         } else if (strcasecmp(argv[1], "NAND") == 0) {
 179 #ifndef MXCFLASH_SELECT_NAND
 180                 diag_printf("Not supported\n");
 181                 return;
 182 #endif
 183                 *fis_addr = FROM_NAND_FLASH;
 184         } else if (strcasecmp(argv[1], "MMC") == 0) {
 185 #ifndef MXCFLASH_SELECT_MMC
 186                 diag_printf("Not supported\n");
 187                 return;
 188 #else
 189                 *fis_addr = FROM_MMC_FLASH;
 190 #endif
 191         } else if (strcasecmp(argv[1], "SPI") == 0) {
 192 #ifndef IMXFLASH_SELECT_SPI_NOR
 193                 diag_printf("Not supported\n");
 194                 return;
 195 #else
 196                 *fis_addr = FROM_SPI_NOR_FLASH;
 197 #endif
 198         } else {
 199                 diag_printf("Invalid command: %s\n", argv[1]);
 200                 return;
 201         }
 202
 203         //HAL_VIRT_TO_PHYS_ADDRESS(ram_end, phys_addr);
 204         launchRunImg((unsigned long)reset_vector);
 205 }
 206 #endif //CYGPKG_IO_FLASH
 207 #endif /* CYG_HAL_STARTUP_ROMRAM */