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Diffstat (limited to 'board/svm_sc8xx/flash.c')
-rw-r--r--board/svm_sc8xx/flash.c102
1 files changed, 49 insertions, 53 deletions
diff --git a/board/svm_sc8xx/flash.c b/board/svm_sc8xx/flash.c
index b50f77b..25e61dd 100644
--- a/board/svm_sc8xx/flash.c
+++ b/board/svm_sc8xx/flash.c
@@ -1,5 +1,4 @@
/*
- * (C) Copyright 2000
* Wolfgang Denk, DENX Software Engineering, wd@denx.de.
*
* See file CREDITS for list of people who contributed to this
@@ -68,44 +67,44 @@ unsigned long flash_init (void)
}
#ifdef CFG_DOC_BASE
#ifndef CONFIG_FEL8xx_AT
- memctl->memc_or5 = (0xffff8000 | CFG_OR_TIMING_DOC ); /* 32k bytes */
- memctl->memc_br5 = CFG_DOC_BASE | 0x401;
+ memctl->memc_or5 = (0xffff8000 | CFG_OR_TIMING_DOC ); /* 32k bytes */
+ memctl->memc_br5 = CFG_DOC_BASE | 0x401;
#else
- memctl->memc_or3 = (0xffff8000 | CFG_OR_TIMING_DOC ); /* 32k bytes */
- memctl->memc_br3 = CFG_DOC_BASE | 0x401;
+ memctl->memc_or3 = (0xffff8000 | CFG_OR_TIMING_DOC ); /* 32k bytes */
+ memctl->memc_br3 = CFG_DOC_BASE | 0x401;
#endif
#endif
#if defined( CONFIG_BOOT_8B)
-// memctl->memc_or0 = 0xfff80ff4; /* 4MB bytes */
-// memctl->memc_br0 = 0x40000401;
- size_b0 = 0x80000; /* 512 K */
- flash_info[0].flash_id = FLASH_MAN_AMD | FLASH_AM040;
- flash_info[0].sector_count = 8;
- flash_info[0].size = 0x00080000;
- /* set up sector start address table */
- for (i = 0; i < flash_info[0].sector_count; i++)
- flash_info[0].start[i] = 0x40000000 + (i * 0x10000);
- /* protect all sectors */
- for (i = 0; i < flash_info[0].sector_count; i++)
- flash_info[0].protect[i] = 0x1;
+/* memctl->memc_or0 = 0xfff80ff4; /###* 4MB bytes */
+/* memctl->memc_br0 = 0x40000401; */
+ size_b0 = 0x80000; /* 512 K */
+ flash_info[0].flash_id = FLASH_MAN_AMD | FLASH_AM040;
+ flash_info[0].sector_count = 8;
+ flash_info[0].size = 0x00080000;
+ /* set up sector start address table */
+ for (i = 0; i < flash_info[0].sector_count; i++)
+ flash_info[0].start[i] = 0x40000000 + (i * 0x10000);
+ /* protect all sectors */
+ for (i = 0; i < flash_info[0].sector_count; i++)
+ flash_info[0].protect[i] = 0x1;
#elif defined (CONFIG_BOOT_16B)
-// memctl->memc_or0 = 0xfff80ff4; /* 4MB bytes */
-// memctl->memc_br0 = 0x40000401;
- size_b0 = 0x400000; /* 4MB , assume AMD29LV320B */
- flash_info[0].flash_id = FLASH_MAN_AMD | FLASH_AM320B;
- flash_info[0].sector_count = 67;
- flash_info[0].size = 0x00400000;
- /* set up sector start address table */
- flash_info[0].start[0] = 0x40000000 ;
- flash_info[0].start[1] = 0x40000000 + 0x4000;
- flash_info[0].start[2] = 0x40000000 + 0x6000;
- flash_info[0].start[3] = 0x40000000 + 0x8000;
- for (i = 4; i < flash_info[0].sector_count; i++)
- flash_info[0].start[i] = 0x40000000 + 0x10000 + ((i-4) * 0x10000);
- /* protect all sectors */
- for (i = 0; i < flash_info[0].sector_count; i++)
- flash_info[0].protect[i] = 0x1;
-#endif
+/* memctl->memc_or0 = 0xfff80ff4; /###* 4MB bytes */
+/* memctl->memc_br0 = 0x40000401; */
+ size_b0 = 0x400000; /* 4MB , assume AMD29LV320B */
+ flash_info[0].flash_id = FLASH_MAN_AMD | FLASH_AM320B;
+ flash_info[0].sector_count = 67;
+ flash_info[0].size = 0x00400000;
+ /* set up sector start address table */
+ flash_info[0].start[0] = 0x40000000 ;
+ flash_info[0].start[1] = 0x40000000 + 0x4000;
+ flash_info[0].start[2] = 0x40000000 + 0x6000;
+ flash_info[0].start[3] = 0x40000000 + 0x8000;
+ for (i = 4; i < flash_info[0].sector_count; i++)
+ flash_info[0].start[i] = 0x40000000 + 0x10000 + ((i-4) * 0x10000);
+ /* protect all sectors */
+ for (i = 0; i < flash_info[0].sector_count; i++)
+ flash_info[0].protect[i] = 0x1;
+#endif
#ifdef CONFIG_BOOT_32B
@@ -482,7 +481,7 @@ int flash_erase (flash_info_t *info, int s_first, int s_last)
for (sect = s_first; sect<=s_last; sect++) {
if (info->protect[sect] == 0) { /* not protected */
addr = (vu_long*)(info->start[sect]);
- //addr[0] = 0x00300030;
+ /*addr[0] = 0x00300030; */
my_out_8( (unsigned char *) ((ulong)addr),0x30 );
l_sect = sect;
}
@@ -553,11 +552,11 @@ int flash_erase (flash_info_t *info, int s_first, int s_last)
last = start;
addr = (vu_long*)(info->start[l_sect]);
#if defined (CONFIG_BOOT_8B)
- while ( (my_in_8((unsigned char *)addr) & 0x80) != 0x80 )
+ while ( (my_in_8((unsigned char *)addr) & 0x80) != 0x80 )
#elif defined(CONFIG_BOOT_16B )
- while ( (my_in_be16((unsigned short *)addr) & 0x0080) != 0x0080 )
+ while ( (my_in_be16((unsigned short *)addr) & 0x0080) != 0x0080 )
#elif defined(CONFIG_BOOT_32B)
- while ( (my_in_be32((unsigned *)addr) & 0x00800080) != 0x00800080 )
+ while ( (my_in_be32((unsigned *)addr) & 0x00800080) != 0x00800080 )
#else
# error CONFIG_BOOT_(size)B missing.
#endif
@@ -688,7 +687,7 @@ static int write_word (flash_info_t *info, ulong dest, ulong data)
my_out_8( (unsigned char * ) (addr+0x555) , 0x90 );
in_mid=my_in_8( (unsigned char * ) addr );
in_did=my_in_8( (unsigned char * ) (addr+1) );
- printf(" man ID=0x%x, dev ID=0x%x.\n",in_mid,in_did );
+ printf(" man ID=0x%x, dev ID=0x%x.\n",in_mid,in_did );
my_out_8( (unsigned char *)addr, 0xf0);
udelay(1);
}
@@ -696,7 +695,7 @@ static int write_word (flash_info_t *info, ulong dest, ulong data)
{
int data_ch[4];
data_ch[0]=(int ) ((data>>24) & 0xff);
- data_ch[1]=(int ) ((data>>16) &0xff );
+ data_ch[1]=(int ) ((data>>16) &0xff );
data_ch[2]=(int ) ((data >>8) & 0xff);
data_ch[3]=(int ) (data & 0xff);
for (i=0;i<4;i++ ){
@@ -708,7 +707,7 @@ static int write_word (flash_info_t *info, ulong dest, ulong data)
if (flag)
enable_interrupts();
- start = get_timer (0);
+ start = get_timer (0);
last = start;
while( ( my_in_8((unsigned char *) (dest+i)) ) != ( data_ch[i] ) ) {
if (get_timer(start) > CFG_FLASH_WRITE_TOUT ) {
@@ -719,7 +718,7 @@ static int write_word (flash_info_t *info, ulong dest, ulong data)
}
#elif defined( CONFIG_BOOT_16B)
data_short[0]=(int) (data>>16) & 0xffff;
- data_short[1]=(int ) data & 0xffff ;
+ data_short[1]=(int ) data & 0xffff ;
for (i=0;i<2;i++ ){
my_out_be16( (unsigned short *) ((ulong)addr+ 0xaaa),0xaa );
my_out_be16( (unsigned short *) ((ulong)addr+ 0x554),0x55 );
@@ -728,7 +727,7 @@ static int write_word (flash_info_t *info, ulong dest, ulong data)
/* re-enable interrupts if necessary */
if (flag)
enable_interrupts();
- start = get_timer (0);
+ start = get_timer (0);
last = start;
while( ( my_in_be16((unsigned short *) (dest+(i*2))) ) != ( data_short[i] ) ) {
if (get_timer(start) > CFG_FLASH_WRITE_TOUT ) {
@@ -755,8 +754,8 @@ static int write_word (flash_info_t *info, ulong dest, ulong data)
}
}
#endif
-
-
+
+
return (0);
}
#ifdef CONFIG_BOOT_8B
@@ -776,8 +775,8 @@ static void my_out_8 ( unsigned char *addr, int val)
static int my_in_be16( unsigned short *addr)
{
int ret;
- __asm__ __volatile__("lhz%U1%X1 %0,%1; eieio" : "=r" (ret) : "m" (*addr));
- return ret;
+ __asm__ __volatile__("lhz%U1%X1 %0,%1; eieio" : "=r" (ret) : "m" (*addr));
+ return ret;
}
static void my_out_be16( unsigned short *addr, int val)
{
@@ -787,15 +786,12 @@ static void my_out_be16( unsigned short *addr, int val)
#ifdef CONFIG_BOOT_32B
static unsigned my_in_be32( unsigned *addr)
{
- unsigned ret;
- __asm__ __volatile__("lwz%U1%X1 %0,%1; eieio" : "=r" (ret) : "m" (*addr));
- return ret;
+ unsigned ret;
+ __asm__ __volatile__("lwz%U1%X1 %0,%1; eieio" : "=r" (ret) : "m" (*addr));
+ return ret;
}
static void my_out_be32( unsigned *addr, int val)
{
__asm__ __volatile__("stw%U0%X0 %1,%0; eieio" : "=m" (*addr) : "r" (val));
}
#endif
-
-
-
generated by cgit v1.1 at 2024-11-26 03:06:53 +0000