diff options
Diffstat (limited to 'board/innokom')
| -rw-r--r-- | board/innokom/flash.c | 109 |
1 files changed, 52 insertions, 57 deletions
diff --git a/board/innokom/flash.c b/board/innokom/flash.c index 5505bb5..b56707d 100644 --- a/board/innokom/flash.c +++ b/board/innokom/flash.c @@ -86,81 +86,79 @@ flash_info_t flash_info[CFG_MAX_FLASH_BANKS]; */ static struct part_info part; +static int current_part = -1; #ifdef CONFIG_MTD_INNOKOM_16MB #ifdef CONFIG_MTD_INNOKOM_64MB #error Please define only one CONFIG_MTD_INNOKOM_XXMB option. #endif struct part_info* jffs2_part_info(int part_num) { + void *jffs2_priv_saved = part.jffs2_priv; PRINTK2("jffs2_part_info: part_num=%i\n",part_num); + if (current_part == part_num) + return ∂ + /* u-boot partition */ if(part_num==0){ - if(part.usr_priv==(void*)1) return ∂ - memset(&part, 0, sizeof(part)); - + part.offset=(char*)0x00000000; part.size=256*1024; - + /* Mark the struct as ready */ - part.usr_priv=(void*)1; + current_part = part_num; PRINTK("part.offset = 0x%08x\n",(unsigned int)part.offset); PRINTK("part.size = 0x%08x\n",(unsigned int)part.size); - return ∂ } /* primary OS+firmware partition */ if(part_num==1){ - if(part.usr_priv==(void*)1) return ∂ - memset(&part, 0, sizeof(part)); - + part.offset=(char*)0x00040000; part.size=768*1024; - + /* Mark the struct as ready */ - part.usr_priv=(void*)1; + current_part = part_num; PRINTK("part.offset = 0x%08x\n",(unsigned int)part.offset); PRINTK("part.size = 0x%08x\n",(unsigned int)part.size); - return ∂ } - + /* secondary OS+firmware partition */ if(part_num==2){ - if(part.usr_priv==(void*)1) return ∂ - memset(&part, 0, sizeof(part)); - + part.offset=(char*)0x00100000; part.size=8*1024*1024; - + /* Mark the struct as ready */ - part.usr_priv=(void*)1; + current_part = part_num; PRINTK("part.offset = 0x%08x\n",(unsigned int)part.offset); PRINTK("part.size = 0x%08x\n",(unsigned int)part.size); - return ∂ } /* data partition */ if(part_num==3){ - if(part.usr_priv==(void*)1) return ∂ - memset(&part, 0, sizeof(part)); - + part.offset=(char*)0x00900000; part.size=7*1024*1024; - + /* Mark the struct as ready */ - part.usr_priv=(void*)1; + current_part = part_num; PRINTK("part.offset = 0x%08x\n",(unsigned int)part.offset); PRINTK("part.size = 0x%08x\n",(unsigned int)part.size); - + } + + if (current_part == part_num) { + part.usr_priv = ¤t_part; + part.jffs2_priv = jffs2_priv_saved; return ∂ } @@ -174,75 +172,72 @@ struct part_info* jffs2_part_info(int part_num) { #error Please define only one CONFIG_MTD_INNOKOM_XXMB option. #endif struct part_info* jffs2_part_info(int part_num) { + void *jffs2_priv_saved = part.jffs2_priv; PRINTK2("jffs2_part_info: part_num=%i\n",part_num); + if (current_part == part_num) + return ∂ + /* u-boot partition */ if(part_num==0){ - if(part.usr_priv==(void*)1) return ∂ - memset(&part, 0, sizeof(part)); - + part.offset=(char*)0x00000000; part.size=256*1024; - + /* Mark the struct as ready */ - part.usr_priv=(void*)1; + current_part = part_num; PRINTK("part.offset = 0x%08x\n",(unsigned int)part.offset); PRINTK("part.size = 0x%08x\n",(unsigned int)part.size); - return ∂ } /* primary OS+firmware partition */ if(part_num==1){ - if(part.usr_priv==(void*)1) return ∂ - memset(&part, 0, sizeof(part)); - + part.offset=(char*)0x00040000; part.size=16*1024*1024-128*1024; - + /* Mark the struct as ready */ - part.usr_priv=(void*)1; + current_part = part_num; PRINTK("part.offset = 0x%08x\n",(unsigned int)part.offset); PRINTK("part.size = 0x%08x\n",(unsigned int)part.size); - return ∂ } - + /* secondary OS+firmware partition */ if(part_num==2){ - if(part.usr_priv==(void*)1) return ∂ - memset(&part, 0, sizeof(part)); - + part.offset=(char*)0x01020000; part.size=16*1024*1024-128*1024; - + /* Mark the struct as ready */ - part.usr_priv=(void*)1; + current_part = part_num; PRINTK("part.offset = 0x%08x\n",(unsigned int)part.offset); PRINTK("part.size = 0x%08x\n",(unsigned int)part.size); - return ∂ } /* data partition */ if(part_num==3){ - if(part.usr_priv==(void*)1) return ∂ - memset(&part, 0, sizeof(part)); - + part.offset=(char*)0x02000000; part.size=32*1024*1024; - + /* Mark the struct as ready */ - part.usr_priv=(void*)1; + current_part = part_num; PRINTK("part.offset = 0x%08x\n",(unsigned int)part.offset); PRINTK("part.size = 0x%08x\n",(unsigned int)part.size); - + } + + if (current_part == part_num) { + part.usr_priv = ¤t_part; + part.jffs2_priv = jffs2_priv_saved; return ∂ } @@ -336,13 +331,13 @@ void flash_print_info (flash_info_t *info) return; } - printf(" Size: %ld MB in %d Sectors\n", + printf(" Size: %ld MB in %d Sectors\n", info->size >> 20, info->sector_count); printf(" Sector Start Addresses:"); for (i = 0; i < info->sector_count; i++) { if ((i % 5) == 0) printf ("\n "); - + printf (" %08lX%s", info->start[i], info->protect[i] ? " (RO)" : " "); } @@ -371,7 +366,7 @@ int flash_erase(flash_info_t *info, int s_first, int s_last) if ((info->flash_id & FLASH_VENDMASK) != (INTEL_MANUFACT & FLASH_VENDMASK)) return ERR_UNKNOWN_FLASH_VENDOR; - + prot = 0; for (sect=s_first; sect<=s_last; ++sect) { if (info->protect[sect]) prot++; @@ -421,13 +416,13 @@ int flash_erase(flash_info_t *info, int s_first, int s_last) goto outahere; } } - + PRINTK("clearing status register\n"); - *addr = 0x0050; + *addr = 0x0050; PRINTK("resetting to read mode"); - *addr = 0x00FF; + *addr = 0x00FF; } - + printf("ok.\n"); } |