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Diffstat (limited to 'board/innokom/flash.c')
-rw-r--r--board/innokom/flash.c258
1 files changed, 240 insertions, 18 deletions
diff --git a/board/innokom/flash.c b/board/innokom/flash.c
index b8e97e1..5505bb5 100644
--- a/board/innokom/flash.c
+++ b/board/innokom/flash.c
@@ -31,12 +31,228 @@
#include <common.h>
#include <asm/arch/pxa-regs.h>
-#define FLASH_BANK_SIZE 0x02000000
-#define MAIN_SECT_SIZE 0x40000 /* 2x16 = 256k per sector */
+#if defined CFG_JFFS_CUSTOM_PART
+#include <jffs2/jffs2.h>
+#endif
+
+/* Debugging macros ------------------------------------------------------ */
+
+#undef FLASH_DEBUG
+//#define FLASH_DEBUG 1
+
+/* Some debug macros */
+#if (FLASH_DEBUG > 2 )
+#define PRINTK3(args...) printf(args)
+#else
+#define PRINTK3(args...)
+#endif
+
+#if FLASH_DEBUG > 1
+#define PRINTK2(args...) printf(args)
+#else
+#define PRINTK2(args...)
+#endif
+
+#ifdef FLASH_DEBUG
+#define PRINTK(args...) printf(args)
+#else
+#define PRINTK(args...)
+#endif
+
+/* ------------------------------------------------------------------------ */
+
+/* Development system: we have only 16 MB Flash */
+#ifdef CONFIG_MTD_INNOKOM_16MB
+#define FLASH_BANK_SIZE 0x01000000 /* 16 MB (during development) */
+#define MAIN_SECT_SIZE 0x00020000 /* 128k per sector */
+#endif
+
+/* Production system: we have 64 MB Flash */
+#ifdef CONFIG_MTD_INNOKOM_64MB
+#define FLASH_BANK_SIZE 0x04000000 /* 64 MB */
+#define MAIN_SECT_SIZE 0x00020000 /* 128k per sector */
+#endif
flash_info_t flash_info[CFG_MAX_FLASH_BANKS];
+#if defined CFG_JFFS_CUSTOM_PART
+
+/**
+ * jffs2_part_info - get information about a JFFS2 partition
+ *
+ * @part_num: number of the partition you want to get info about
+ * @return: struct part_info* in case of success, 0 if failure
+ */
+
+static struct part_info part;
+
+#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) {
+
+ PRINTK2("jffs2_part_info: part_num=%i\n",part_num);
+
+ /* u-boot partition */
+ if(part_num==0){
+ if(part.usr_priv==(void*)1) return &part;
+
+ memset(&part, 0, sizeof(part));
+
+ part.offset=(char*)0x00000000;
+ part.size=256*1024;
+
+ /* Mark the struct as ready */
+ part.usr_priv=(void*)1;
+
+ PRINTK("part.offset = 0x%08x\n",(unsigned int)part.offset);
+ PRINTK("part.size = 0x%08x\n",(unsigned int)part.size);
+ return &part;
+ }
+
+ /* primary OS+firmware partition */
+ if(part_num==1){
+ if(part.usr_priv==(void*)1) return &part;
+
+ memset(&part, 0, sizeof(part));
+
+ part.offset=(char*)0x00040000;
+ part.size=768*1024;
+
+ /* Mark the struct as ready */
+ part.usr_priv=(void*)1;
+
+ PRINTK("part.offset = 0x%08x\n",(unsigned int)part.offset);
+ PRINTK("part.size = 0x%08x\n",(unsigned int)part.size);
+ return &part;
+ }
+
+ /* secondary OS+firmware partition */
+ if(part_num==2){
+ if(part.usr_priv==(void*)1) return &part;
+
+ memset(&part, 0, sizeof(part));
+
+ part.offset=(char*)0x00100000;
+ part.size=8*1024*1024;
+
+ /* Mark the struct as ready */
+ part.usr_priv=(void*)1;
+
+ PRINTK("part.offset = 0x%08x\n",(unsigned int)part.offset);
+ PRINTK("part.size = 0x%08x\n",(unsigned int)part.size);
+ return &part;
+ }
+
+ /* data partition */
+ if(part_num==3){
+ if(part.usr_priv==(void*)1) return &part;
+
+ memset(&part, 0, sizeof(part));
+
+ part.offset=(char*)0x00900000;
+ part.size=7*1024*1024;
+
+ /* Mark the struct as ready */
+ part.usr_priv=(void*)1;
+
+ PRINTK("part.offset = 0x%08x\n",(unsigned int)part.offset);
+ PRINTK("part.size = 0x%08x\n",(unsigned int)part.size);
+
+ return &part;
+ }
+
+ PRINTK("jffs2_part_info: end of partition table\n");
+ return 0;
+}
+#endif /* CONFIG_MTD_INNOKOM_16MB */
+
+#ifdef CONFIG_MTD_INNOKOM_64MB
+#ifdef CONFIG_MTD_INNOKOM_16MB
+#error Please define only one CONFIG_MTD_INNOKOM_XXMB option.
+#endif
+struct part_info* jffs2_part_info(int part_num) {
+
+ PRINTK2("jffs2_part_info: part_num=%i\n",part_num);
+
+ /* u-boot partition */
+ if(part_num==0){
+ if(part.usr_priv==(void*)1) return &part;
+
+ memset(&part, 0, sizeof(part));
+
+ part.offset=(char*)0x00000000;
+ part.size=256*1024;
+
+ /* Mark the struct as ready */
+ part.usr_priv=(void*)1;
+
+ PRINTK("part.offset = 0x%08x\n",(unsigned int)part.offset);
+ PRINTK("part.size = 0x%08x\n",(unsigned int)part.size);
+ return &part;
+ }
+
+ /* primary OS+firmware partition */
+ if(part_num==1){
+ if(part.usr_priv==(void*)1) return &part;
+
+ 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;
+
+ PRINTK("part.offset = 0x%08x\n",(unsigned int)part.offset);
+ PRINTK("part.size = 0x%08x\n",(unsigned int)part.size);
+ return &part;
+ }
+
+ /* secondary OS+firmware partition */
+ if(part_num==2){
+ if(part.usr_priv==(void*)1) return &part;
+
+ 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;
+
+ PRINTK("part.offset = 0x%08x\n",(unsigned int)part.offset);
+ PRINTK("part.size = 0x%08x\n",(unsigned int)part.size);
+ return &part;
+ }
+
+ /* data partition */
+ if(part_num==3){
+ if(part.usr_priv==(void*)1) return &part;
+
+ memset(&part, 0, sizeof(part));
+
+ part.offset=(char*)0x02000000;
+ part.size=32*1024*1024;
+
+ /* Mark the struct as ready */
+ part.usr_priv=(void*)1;
+
+ PRINTK("part.offset = 0x%08x\n",(unsigned int)part.offset);
+ PRINTK("part.size = 0x%08x\n",(unsigned int)part.size);
+
+ return &part;
+ }
+
+ PRINTK("jffs2_part_info: end of partition table\n");
+ return 0;
+}
+#endif /* CONFIG_MTD_INNOKOM_64MB */
+#endif /* defined CFG_JFFS_CUSTOM_PART */
+
+
/**
* flash_init: - initialize data structures for flash chips
*
@@ -71,10 +287,10 @@ ulong flash_init(void)
size += flash_info[i].size;
}
- /* Protect monitor and environment sectors */
+ /* Protect u-boot sectors */
flash_protect(FLAG_PROTECT_SET,
CFG_FLASH_BASE,
- CFG_FLASH_BASE + _armboot_end_data - _armboot_start,
+ CFG_FLASH_BASE + (256*1024) - 1,
&flash_info[0]);
#ifdef CFG_ENV_IS_IN_FLASH
@@ -178,32 +394,38 @@ int flash_erase(flash_info_t *info, int s_first, int s_last)
printf("Erasing sector %2d ... ", sect);
+ PRINTK("\n");
+
/* arm simple, non interrupt dependent timer */
reset_timer_masked();
if (info->protect[sect] == 0) { /* not protected */
- u32 * volatile addr = (u32 * volatile)(info->start[sect]);
+ u16 * volatile addr = (u16 * volatile)(info->start[sect]);
- /* erase sector: */
- /* The strata flashs are aligned side by side on */
- /* the data bus, so we have to write the commands */
- /* to both chips here: */
+ PRINTK("unlocking sector\n");
+ *addr = 0x0060;
+ *addr = 0x00d0;
+ *addr = 0x00ff;
- *addr = 0x00200020; /* erase setup */
- *addr = 0x00D000D0; /* erase confirm */
+ PRINTK("erasing sector\n");
+ *addr = 0x0020;
+ PRINTK("confirming erase\n");
+ *addr = 0x00D0;
- while ((*addr & 0x00800080) != 0x00800080) {
+ while ((*addr & 0x0080) != 0x0080) {
+ PRINTK(".");
if (get_timer_masked() > CFG_FLASH_ERASE_TOUT) {
- *addr = 0x00B000B0; /* suspend erase*/
- *addr = 0x00FF00FF; /* read mode */
+ *addr = 0x00B0; /* suspend erase*/
+ *addr = 0x00FF; /* read mode */
rc = ERR_TIMOUT;
goto outahere;
}
}
- *addr = 0x00500050; /* clear status register cmd. */
- *addr = 0x00FF00FF; /* resest to read mode */
-
+ PRINTK("clearing status register\n");
+ *addr = 0x0050;
+ PRINTK("resetting to read mode");
+ *addr = 0x00FF;
}
printf("ok.\n");
@@ -233,7 +455,7 @@ int flash_erase(flash_info_t *info, int s_first, int s_last)
static int write_word (flash_info_t *info, ulong dest, ushort data)
{
- ushort *addr = (ushort *)dest, val;
+ volatile u16 *addr = (u16 *)dest, val;
int rc = ERR_OK;
int flag;
generated by cgit v1.1 at 2024-11-16 06:26:46 +0000