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/* |
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firmware upgrade code for senao webflash images |
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*/ |
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#include <redboot.h> |
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#include <cyg/io/flash.h> |
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#include <fis.h> |
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#include <flash_config.h> |
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#include "fwupgrade.h" |
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|
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/* some variables from flash.c */ |
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extern void *flash_start, *flash_end; |
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extern int flash_block_size, flash_num_blocks; |
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#ifdef CYGOPT_REDBOOT_FIS |
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extern void *fis_work_block; |
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extern void *fis_addr; |
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extern int fisdir_size; // Size of FIS directory. |
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#endif |
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//extern void _show_invalid_flash_address(CYG_ADDRESS flash_addr, int stat); |
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extern void fis_update_directory(void); |
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|
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//#define TRACE diag_printf("DBG: %s:%d\n", __FUNCTION__, __LINE__) |
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#define TRACE |
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extern void fis_init(int argc, char *argv[], int force); |
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int fw_check_image_senao(unsigned char *addr, unsigned long maxlen, |
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int do_flash) |
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{ |
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unsigned char *base = (unsigned char *)addr+10; |
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if (strncmp(addr,"AP51-3660",9)) { |
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diag_printf("SENAO_FW: bad header\n"); |
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return -1; |
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} |
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|
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if (do_flash) { |
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maxlen-=10; |
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char *arg[] = { "fis", "init" }; |
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fis_init(2, arg, 1); |
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void *err_addr; |
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flash_read(fis_addr, fis_work_block, fisdir_size, |
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(void **)&err_addr); |
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struct fis_image_desc *img = NULL; |
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int i, stat; |
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img = fis_lookup("RedBoot", &i); |
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if (i != 0) { |
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diag_printf |
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("SENAO_FW: RedBoot partition is not the first partition\n"); |
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return -1; |
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} |
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unsigned int flash_addr = img->flash_base + img->size; |
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if ((stat = |
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flash_erase((void *)flash_addr, maxlen, |
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(void **)&err_addr)) != 0) { |
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diag_printf("SENAO_FW: Can't erase region at %p: %s\n", |
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err_addr, flash_errmsg(stat)); |
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return -1; |
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} |
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if ((stat = |
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flash_program((void *)flash_addr, |
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(void *)(base), |
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maxlen, (void **)&err_addr)) != 0) { |
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diag_printf |
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("SENAO_FW: Can't program region at %p: %s\n", |
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err_addr, flash_errmsg(stat)); |
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return -1; |
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} |
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img = (struct fis_image_desc *)fis_work_block; |
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for (i = 0; i < fisdir_size / sizeof(*img); i++, img++) { |
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if (img->name[0] == (unsigned char)0xFF) { |
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break; |
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} |
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} |
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|
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unsigned int filesyssize = 0x3f0000; |
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unsigned int linuxsize = 0xa0000; |
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unsigned int cfgsize = 0x20000; |
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unsigned int exec = 0x80041798; |
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if (maxlen==(3670026-10)) // detect 4M images (EAP3660 etc.) |
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{ |
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filesyssize = 0x2f0000; |
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exec = 0x80170040; //weired entrypoint |
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} |
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strcpy(img->name, "rootfs"); |
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img->flash_base = flash_addr; |
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img->mem_base = 0x80041000; |
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img->entry_point = 0; |
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img->size = filesyssize; |
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img->data_length = filesyssize; |
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img++; |
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strcpy(img->name, "vmlinux.bin.l7"); |
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img->flash_base = flash_addr+filesyssize; |
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img->mem_base = 0x80041000; |
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img->entry_point = exec; |
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img->size = linuxsize; |
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img->data_length = linuxsize; |
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img++; |
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strcpy(img->name, "cfg"); |
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img->flash_base = flash_addr+filesyssize+linuxsize; |
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img->mem_base = 0x80041000; |
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img->entry_point = 0; |
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img->size = cfgsize; |
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img->data_length = cfgsize; |
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|
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fis_update_directory(); |
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diag_printf("SENAO_FW: flashing done\n"); |
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} |
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return 0; |
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} |
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