aboutsummaryrefslogtreecommitdiff
path: root/board/svm_sc8xx
diff options
context:
space:
mode:
authorWolfgang Denk <wd@denx.de>2011-11-04 15:55:49 +0000
committerWolfgang Denk <wd@denx.de>2011-11-07 22:15:38 +0100
commit8adc9052d05e6dfdcffbf70f3bb120b859a97559 (patch)
tree503f420cc7ae545827b4eeda2015f05d2376c8ae /board/svm_sc8xx
parent13bcd3c4d74125a1feecd91ee1d17daa421a1f8e (diff)
downloadu-boot-linaro-stable-8adc9052d05e6dfdcffbf70f3bb120b859a97559.tar.gz
board/svm_sc8xx/flash.c: CodingStyle cleanup
Make (mostly) checkpatch clean (don't convert to use I/O accessors yet, so there will be "Use of volatile is usually wrong" warnings left. Signed-off-by: Wolfgang Denk <wd@denx.de>
Diffstat (limited to 'board/svm_sc8xx')
-rw-r--r--board/svm_sc8xx/flash.c827
1 files changed, 357 insertions, 470 deletions
diff --git a/board/svm_sc8xx/flash.c b/board/svm_sc8xx/flash.c
index db1f21a58..b3893ef5f 100644
--- a/board/svm_sc8xx/flash.c
+++ b/board/svm_sc8xx/flash.c
@@ -27,155 +27,163 @@
#define CONFIG_ENV_ADDR (CONFIG_SYS_FLASH_BASE + CONFIG_ENV_OFFSET)
#endif
-flash_info_t flash_info[CONFIG_SYS_MAX_FLASH_BANKS]; /* info for FLASH chips */
+flash_info_t flash_info[CONFIG_SYS_MAX_FLASH_BANKS];
/*-----------------------------------------------------------------------
* Functions
*/
-static int write_word (flash_info_t *info, ulong dest, ulong data);
-#if 0
-static ulong flash_get_size (vu_long *addr, flash_info_t *info);
-static void flash_get_offsets (ulong base, flash_info_t *info);
-#endif
-#ifdef CONFIG_BOOT_8B
-static int my_in_8( unsigned char *addr);
-static void my_out_8( unsigned char *addr, int val);
+static int write_word(flash_info_t *info, ulong dest, ulong data);
+
+#ifdef CONFIG_BOOT_8B
+static int my_in_8(unsigned char *addr);
+static void my_out_8(unsigned char *addr, int val);
#endif
-#ifdef CONFIG_BOOT_16B
-static int my_in_be16( unsigned short *addr);
-static void my_out_be16( unsigned short *addr, int val);
+#ifdef CONFIG_BOOT_16B
+static int my_in_be16(unsigned short *addr);
+static void my_out_be16(unsigned short *addr, int val);
#endif
-#ifdef CONFIG_BOOT_32B
-static unsigned my_in_be32( unsigned *addr);
-static void my_out_be32( unsigned *addr, int val);
+#ifdef CONFIG_BOOT_32B
+static unsigned my_in_be32(unsigned *addr);
+static void my_out_be32(unsigned *addr, int val);
#endif
/*-----------------------------------------------------------------------
*/
-unsigned long flash_init (void)
+unsigned long flash_init(void)
{
- volatile immap_t *immap = (immap_t *)CONFIG_SYS_IMMR;
+ volatile immap_t *immap = (immap_t *) CONFIG_SYS_IMMR;
volatile memctl8xx_t *memctl = &immap->im_memctl;
unsigned long size_b0, size_b1;
int i;
- size_b0=0;
- size_b1=0;
+ size_b0 = 0;
+ size_b1 = 0;
/* Init: no FLASHes known */
- for (i=0; i<CONFIG_SYS_MAX_FLASH_BANKS; ++i) {
+ for (i = 0; i < CONFIG_SYS_MAX_FLASH_BANKS; ++i)
flash_info[i].flash_id = FLASH_UNKNOWN;
- }
+
#ifdef CONFIG_SYS_DOC_BASE
#ifndef CONFIG_FEL8xx_AT
- memctl->memc_or5 = (0xffff8000 | CONFIG_SYS_OR_TIMING_DOC ); /* 32k bytes */
+ /* 32k bytes */
+ memctl->memc_or5 = (0xffff8000 | CONFIG_SYS_OR_TIMING_DOC);
memctl->memc_br5 = CONFIG_SYS_DOC_BASE | 0x401;
#else
- memctl->memc_or3 = (0xffff8000 | CONFIG_SYS_OR_TIMING_DOC ); /* 32k bytes */
+ /* 32k bytes */
+ memctl->memc_or3 = (0xffff8000 | CONFIG_SYS_OR_TIMING_DOC);
memctl->memc_br3 = CONFIG_SYS_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 */
+#if defined(CONFIG_BOOT_8B)
+ 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);
+ 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].protect[i] = 0x1;
+
+#elif defined(CONFIG_BOOT_16B)
+ 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[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);
+
+ 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;
+ flash_info[0].protect[i] = 0x1;
#endif
-
#ifdef CONFIG_BOOT_32B
/* Static FLASH Bank configuration here - FIXME XXX */
-
- size_b0 = flash_get_size((vu_long *)FLASH_BASE0_PRELIM, &flash_info[0]);
+ size_b0 = flash_get_size((vu_long *) FLASH_BASE0_PRELIM,
+ &flash_info[0]);
if (flash_info[0].flash_id == FLASH_UNKNOWN) {
- printf ("## Unknown FLASH on Bank 0 - Size = 0x%08lx = %ld MB\n",
- size_b0, size_b0<<20);
+ printf("## Unknown FLASH on Bank 0 - Size = 0x%08lx = %ld MB\n",
+ size_b0, size_b0 << 20);
}
- size_b1 = flash_get_size((vu_long *)FLASH_BASE1_PRELIM, &flash_info[1]);
+ size_b1 = flash_get_size((vu_long *) FLASH_BASE1_PRELIM,
+ &flash_info[1]);
if (size_b1 > size_b0) {
- printf ("## ERROR: "
+ printf("## ERROR: "
"Bank 1 (0x%08lx = %ld MB) > Bank 0 (0x%08lx = %ld MB)\n",
- size_b1, size_b1<<20,
- size_b0, size_b0<<20
- );
- flash_info[0].flash_id = FLASH_UNKNOWN;
- flash_info[1].flash_id = FLASH_UNKNOWN;
- flash_info[0].sector_count = -1;
- flash_info[1].sector_count = -1;
- flash_info[0].size = 0;
- flash_info[1].size = 0;
- return (0);
+ size_b1, size_b1 << 20, size_b0, size_b0 << 20);
+ flash_info[0].flash_id = FLASH_UNKNOWN;
+ flash_info[1].flash_id = FLASH_UNKNOWN;
+ flash_info[0].sector_count = -1;
+ flash_info[1].sector_count = -1;
+ flash_info[0].size = 0;
+ flash_info[1].size = 0;
+
+ return 0;
}
/* Remap FLASH according to real size */
- memctl->memc_or0 = CONFIG_SYS_OR_TIMING_FLASH | (-size_b0 & OR_AM_MSK);
- memctl->memc_br0 = (CONFIG_SYS_FLASH_BASE & BR_BA_MSK) | BR_MS_GPCM | BR_V;
+ memctl->memc_or0 = CONFIG_SYS_OR_TIMING_FLASH |
+ (-size_b0 & OR_AM_MSK);
+ memctl->memc_br0 = (CONFIG_SYS_FLASH_BASE & BR_BA_MSK) |
+ BR_MS_GPCM | BR_V;
/* Re-do sizing to get full correct info */
- size_b0 = flash_get_size((vu_long *)CONFIG_SYS_FLASH_BASE, &flash_info[0]);
+ size_b0 = flash_get_size((vu_long *) CONFIG_SYS_FLASH_BASE,
+ &flash_info[0]);
- flash_get_offsets (CONFIG_SYS_FLASH_BASE, &flash_info[0]);
+ flash_get_offsets(CONFIG_SYS_FLASH_BASE, &flash_info[0]);
#if CONFIG_SYS_MONITOR_BASE >= CONFIG_SYS_FLASH_BASE
/* monitor protection ON by default */
flash_protect(FLAG_PROTECT_SET,
- CONFIG_SYS_MONITOR_BASE,
- CONFIG_SYS_MONITOR_BASE+monitor_flash_len-1,
- &flash_info[0]);
+ CONFIG_SYS_MONITOR_BASE,
+ CONFIG_SYS_MONITOR_BASE + monitor_flash_len - 1,
+ &flash_info[0]);
#endif
#ifdef CONFIG_ENV_IS_IN_FLASH
/* ENV protection ON by default */
flash_protect(FLAG_PROTECT_SET,
- CONFIG_ENV_ADDR,
- CONFIG_ENV_ADDR+CONFIG_ENV_SIZE-1,
- &flash_info[0]);
+ CONFIG_ENV_ADDR,
+ CONFIG_ENV_ADDR + CONFIG_ENV_SIZE - 1, &flash_info[0]);
#endif
if (size_b1) {
- memctl->memc_or1 = CONFIG_SYS_OR_TIMING_FLASH | (-size_b1 & 0xFFFF8000);
- memctl->memc_br1 = ((CONFIG_SYS_FLASH_BASE + size_b0) & BR_BA_MSK) |
- BR_MS_GPCM | BR_V;
+ memctl->memc_or1 = CONFIG_SYS_OR_TIMING_FLASH |
+ (-size_b1 & 0xFFFF8000);
+ memctl->memc_br1 = ((CONFIG_SYS_FLASH_BASE +
+ size_b0) & BR_BA_MSK) | BR_MS_GPCM | BR_V;
/* Re-do sizing to get full correct info */
- size_b1 = flash_get_size((vu_long *)(CONFIG_SYS_FLASH_BASE + size_b0),
- &flash_info[1]);
+ size_b1 = flash_get_size((vu_long *)(CONFIG_SYS_FLASH_BASE +
+ size_b0), &flash_info[1]);
- flash_get_offsets (CONFIG_SYS_FLASH_BASE + size_b0, &flash_info[1]);
+ flash_get_offsets(CONFIG_SYS_FLASH_BASE + size_b0,
+ &flash_info[1]);
#if CONFIG_SYS_MONITOR_BASE >= CONFIG_SYS_FLASH_BASE
/* monitor protection ON by default */
flash_protect(FLAG_PROTECT_SET,
CONFIG_SYS_MONITOR_BASE,
- CONFIG_SYS_MONITOR_BASE+monitor_flash_len-1,
+ CONFIG_SYS_MONITOR_BASE + monitor_flash_len - 1,
&flash_info[1]);
#endif
@@ -183,11 +191,11 @@ unsigned long flash_init (void)
/* ENV protection ON by default */
flash_protect(FLAG_PROTECT_SET,
CONFIG_ENV_ADDR,
- CONFIG_ENV_ADDR+CONFIG_ENV_SIZE-1,
+ CONFIG_ENV_ADDR + CONFIG_ENV_SIZE - 1,
&flash_info[1]);
#endif
} else {
- memctl->memc_br1 = 0; /* invalidate bank */
+ memctl->memc_br1 = 0; /* invalidate bank */
flash_info[1].flash_id = FLASH_UNKNOWN;
flash_info[1].sector_count = -1;
@@ -197,350 +205,209 @@ unsigned long flash_init (void)
flash_info[1].size = size_b1;
-#endif /* CONFIG_BOOT_32B */
+#endif /* CONFIG_BOOT_32B */
- return (size_b0 + size_b1);
+ return size_b0 + size_b1;
}
-#if 0
-/*-----------------------------------------------------------------------
- */
-static void flash_get_offsets (ulong base, flash_info_t *info)
-{
- int i;
- /* set up sector start address table */
- if (info->flash_id & FLASH_BTYPE) {
- /* set sector offsets for bottom boot block type */
- info->start[0] = base + 0x00000000;
- info->start[1] = base + 0x00008000;
- info->start[2] = base + 0x0000C000;
- info->start[3] = base + 0x00010000;
- for (i = 4; i < info->sector_count; i++) {
- info->start[i] = base + (i * 0x00020000) - 0x00060000;
- }
- } else {
- /* set sector offsets for top boot block type */
- i = info->sector_count - 1;
- info->start[i--] = base + info->size - 0x00008000;
- info->start[i--] = base + info->size - 0x0000C000;
- info->start[i--] = base + info->size - 0x00010000;
- for (; i >= 0; i--) {
- info->start[i] = base + i * 0x00020000;
- }
- }
-}
-#endif
-/*-----------------------------------------------------------------------
- */
-void flash_print_info (flash_info_t *info)
+
+void flash_print_info(flash_info_t *info)
{
int i;
if (info->flash_id == FLASH_UNKNOWN) {
- printf ("missing or unknown FLASH type\n");
+ printf("missing or unknown FLASH type\n");
return;
}
switch (info->flash_id & FLASH_VENDMASK) {
- case FLASH_MAN_AMD: printf ("AMD "); break;
- case FLASH_MAN_FUJ: printf ("FUJITSU "); break;
- default: printf ("Unknown Vendor "); break;
+ case FLASH_MAN_AMD:
+ printf("AMD ");
+ break;
+ case FLASH_MAN_FUJ:
+ printf("FUJITSU ");
+ break;
+ default:
+ printf("Unknown Vendor ");
+ break;
}
switch (info->flash_id & FLASH_TYPEMASK) {
- case FLASH_AM400B: printf ("AM29LV400B (4 Mbit, bottom boot sect)\n");
- break;
- case FLASH_AM400T: printf ("AM29LV400T (4 Mbit, top boot sector)\n");
- break;
- case FLASH_AM800B: printf ("AM29LV800B (8 Mbit, bottom boot sect)\n");
- break;
- case FLASH_AM800T: printf ("AM29LV800T (8 Mbit, top boot sector)\n");
- break;
- case FLASH_AM160B: printf ("AM29LV160B (16 Mbit, bottom boot sect)\n");
- break;
- case FLASH_AM160T: printf ("AM29LV160T (16 Mbit, top boot sector)\n");
- break;
- case FLASH_AM320B: printf ("AM29LV320B (32 Mbit, bottom boot sect)\n");
- break;
- case FLASH_AM320T: printf ("AM29LV320T (32 Mbit, top boot sector)\n");
- break;
- default: printf ("Unknown Chip Type\n");
- break;
+ case FLASH_AM400B:
+ printf("AM29LV400B (4 Mbit, bottom boot sect)\n");
+ break;
+ case FLASH_AM400T:
+ printf("AM29LV400T (4 Mbit, top boot sector)\n");
+ break;
+ case FLASH_AM800B:
+ printf("AM29LV800B (8 Mbit, bottom boot sect)\n");
+ break;
+ case FLASH_AM800T:
+ printf("AM29LV800T (8 Mbit, top boot sector)\n");
+ break;
+ case FLASH_AM160B:
+ printf("AM29LV160B (16 Mbit, bottom boot sect)\n");
+ break;
+ case FLASH_AM160T:
+ printf("AM29LV160T (16 Mbit, top boot sector)\n");
+ break;
+ case FLASH_AM320B:
+ printf("AM29LV320B (32 Mbit, bottom boot sect)\n");
+ break;
+ case FLASH_AM320T:
+ printf("AM29LV320T (32 Mbit, top boot sector)\n");
+ break;
+ default:
+ printf("Unknown Chip Type\n");
+ break;
}
- 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) {
+ 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)" : " "
- );
+ printf("\n ");
+ printf(" %08lX%s",
+ info->start[i], info->protect[i] ? " (RO)" : " ");
}
- printf ("\n");
+ printf("\n");
return;
}
-/*-----------------------------------------------------------------------
- */
-
-
-/*-----------------------------------------------------------------------
- */
-
/*
* The following code cannot be run from FLASH!
*/
-#if 0
-static ulong flash_get_size (vu_long *addr, flash_info_t *info)
-{
- short i;
- ulong value;
- ulong base = (ulong)addr;
-
- /* Write auto select command: read Manufacturer ID */
- addr[0x0555] = 0x00AA00AA;
- addr[0x02AA] = 0x00550055;
- addr[0x0555] = 0x00900090;
- value = addr[0];
-
- switch (value) {
- case AMD_MANUFACT:
- info->flash_id = FLASH_MAN_AMD;
- break;
- case FUJ_MANUFACT:
- info->flash_id = FLASH_MAN_FUJ;
- break;
- default:
- info->flash_id = FLASH_UNKNOWN;
- info->sector_count = 0;
- info->size = 0;
- return (0); /* no or unknown flash */
- }
-
- value = addr[1]; /* device ID */
-
- switch (value) {
- case AMD_ID_LV400T:
- info->flash_id += FLASH_AM400T;
- info->sector_count = 11;
- info->size = 0x00100000;
- break; /* => 1 MB */
-
- case AMD_ID_LV400B:
- info->flash_id += FLASH_AM400B;
- info->sector_count = 11;
- info->size = 0x00100000;
- break; /* => 1 MB */
-
- case AMD_ID_LV800T:
- info->flash_id += FLASH_AM800T;
- info->sector_count = 19;
- info->size = 0x00200000;
- break; /* => 2 MB */
-
- case AMD_ID_LV800B:
- info->flash_id += FLASH_AM800B;
- info->sector_count = 19;
- info->size = 0x00200000;
- break; /* => 2 MB */
-
- case AMD_ID_LV160T:
- info->flash_id += FLASH_AM160T;
- info->sector_count = 35;
- info->size = 0x00400000;
- break; /* => 4 MB */
-
- case AMD_ID_LV160B:
- info->flash_id += FLASH_AM160B;
- info->sector_count = 35;
- info->size = 0x00400000;
- break; /* => 4 MB */
-#if 0 /* enable when device IDs are available */
- case AMD_ID_LV320T:
- info->flash_id += FLASH_AM320T;
- info->sector_count = 67;
- info->size = 0x00800000;
- break; /* => 8 MB */
-
- case AMD_ID_LV320B:
- info->flash_id += FLASH_AM320B;
- info->sector_count = 67;
- info->size = 0x00800000;
- break; /* => 8 MB */
-#endif
- default:
- info->flash_id = FLASH_UNKNOWN;
- return (0); /* => no or unknown flash */
- }
-
- /* set up sector start address table */
- if (info->flash_id & FLASH_BTYPE) {
- /* set sector offsets for bottom boot block type */
- info->start[0] = base + 0x00000000;
- info->start[1] = base + 0x00008000;
- info->start[2] = base + 0x0000C000;
- info->start[3] = base + 0x00010000;
- for (i = 4; i < info->sector_count; i++) {
- info->start[i] = base + (i * 0x00020000) - 0x00060000;
- }
- } else {
- /* set sector offsets for top boot block type */
- i = info->sector_count - 1;
- info->start[i--] = base + info->size - 0x00008000;
- info->start[i--] = base + info->size - 0x0000C000;
- info->start[i--] = base + info->size - 0x00010000;
- for (; i >= 0; i--) {
- info->start[i] = base + i * 0x00020000;
- }
- }
-
- /* check for protected sectors */
- for (i = 0; i < info->sector_count; i++) {
- /* read sector protection at sector address, (A7 .. A0) = 0x02 */
- /* D0 = 1 if protected */
- addr = (volatile unsigned long *)(info->start[i]);
- info->protect[i] = addr[2] & 1;
- }
-
- /*
- * Prevent writes to uninitialized FLASH.
- */
- if (info->flash_id != FLASH_UNKNOWN) {
- addr = (volatile unsigned long *)info->start[0];
-
- *addr = 0x00F000F0; /* reset bank */
- }
-
- return (info->size);
-}
-#endif
-
-/*-----------------------------------------------------------------------
- */
-
-int flash_erase (flash_info_t *info, int s_first, int s_last)
+int flash_erase(flash_info_t *info, int s_first, int s_last)
{
- vu_long *addr = (vu_long*)(info->start[0]);
- int flag, prot, sect, l_sect,in_mid,in_did;
+ vu_long *addr = (vu_long *) (info->start[0]);
+ int flag, prot, sect, l_sect, in_mid, in_did;
ulong start, now, last;
if ((s_first < 0) || (s_first > s_last)) {
- if (info->flash_id == FLASH_UNKNOWN) {
- printf ("- missing\n");
- } else {
- printf ("- no sectors to erase\n");
- }
+ if (info->flash_id == FLASH_UNKNOWN)
+ printf("- missing\n");
+ else
+ printf("- no sectors to erase\n");
+
return 1;
}
if ((info->flash_id == FLASH_UNKNOWN) ||
(info->flash_id > FLASH_AMD_COMP)) {
- printf ("Can't erase unknown flash type %08lx - aborted\n",
- info->flash_id);
+ printf("Can't erase unknown flash type %08lx - aborted\n",
+ info->flash_id);
return 1;
}
prot = 0;
- for (sect=s_first; sect<=s_last; ++sect) {
- if (info->protect[sect]) {
+ for (sect = s_first; sect <= s_last; ++sect) {
+ if (info->protect[sect])
prot++;
- }
}
if (prot) {
- printf ("- Warning: %d protected sectors will not be erased!\n",
+ printf("- Warning: %d protected sectors will not be erased!\n",
prot);
} else {
- printf ("\n");
+ printf("\n");
}
l_sect = -1;
/* Disable interrupts which might cause a timeout here */
flag = disable_interrupts();
-#if defined (CONFIG_BOOT_8B )
- my_out_8( (unsigned char * ) ((ulong)addr+0x555) , 0xaa );
- my_out_8( (unsigned char * ) ((ulong)addr+0x2aa) , 0x55 );
- my_out_8( (unsigned char * ) ((ulong)addr+0x555) , 0x90 );
- in_mid=my_in_8( (unsigned char * ) addr );
- in_did=my_in_8( (unsigned char * ) ((ulong)addr+1) );
- printf(" man ID=0x%x, dev ID=0x%x.\n",in_mid,in_did );
- my_out_8( (unsigned char *)addr, 0xf0);
+
+#if defined(CONFIG_BOOT_8B)
+ my_out_8((unsigned char *)((ulong)addr + 0x555), 0xaa);
+ my_out_8((unsigned char *)((ulong)addr + 0x2aa), 0x55);
+ my_out_8((unsigned char *)((ulong)addr + 0x555), 0x90);
+
+ in_mid = my_in_8((unsigned char *)addr);
+ in_did = my_in_8((unsigned char *)((ulong)addr + 1));
+
+ printf(" man ID=0x%x, dev ID=0x%x.\n", in_mid, in_did);
+
+ my_out_8((unsigned char *)addr, 0xf0);
udelay(1);
- my_out_8( (unsigned char *) ((ulong)addr+0x555),0xaa );
- my_out_8( (unsigned char *) ((ulong)addr+0x2aa),0x55 );
- my_out_8( (unsigned char *) ((ulong)addr+0x555),0x80 );
- my_out_8( (unsigned char *) ((ulong)addr+0x555),0xaa );
- my_out_8( (unsigned char *) ((ulong)addr+0x2aa),0x55 );
+
+ my_out_8((unsigned char *)((ulong)addr + 0x555), 0xaa);
+ my_out_8((unsigned char *)((ulong)addr + 0x2aa), 0x55);
+ my_out_8((unsigned char *)((ulong)addr + 0x555), 0x80);
+ my_out_8((unsigned char *)((ulong)addr + 0x555), 0xaa);
+ my_out_8((unsigned char *)((ulong)addr + 0x2aa), 0x55);
+
/* Start erase on unprotected sectors */
- for (sect = s_first; sect<=s_last; sect++) {
+ for (sect = s_first; sect <= s_last; sect++) {
if (info->protect[sect] == 0) { /* not protected */
- addr = (vu_long*)(info->start[sect]);
+ addr = (vu_long *) (info->start[sect]);
/*addr[0] = 0x00300030; */
- my_out_8( (unsigned char *) ((ulong)addr),0x30 );
+ my_out_8((unsigned char *)((ulong)addr), 0x30);
l_sect = sect;
}
}
-#elif defined(CONFIG_BOOT_16B )
- my_out_be16( (unsigned short * ) ((ulong)addr+ (0xaaa)) , 0xaa );
- my_out_be16( (unsigned short * ) ((ulong)addr+ (0x554)) , 0x55 );
- my_out_be16( (unsigned short * ) ((ulong)addr+ (0xaaa)) , 0x90 );
- in_mid=my_in_be16( (unsigned short * ) addr );
- in_did=my_in_be16 ( (unsigned short * ) ((ulong)addr+2) );
- printf(" man ID=0x%x, dev ID=0x%x.\n",in_mid,in_did );
- my_out_be16( (unsigned short *)addr, 0xf0);
+#elif defined(CONFIG_BOOT_16B)
+ my_out_be16((unsigned short *)((ulong)addr + (0xaaa)), 0xaa);
+ my_out_be16((unsigned short *)((ulong)addr + (0x554)), 0x55);
+ my_out_be16((unsigned short *)((ulong)addr + (0xaaa)), 0x90);
+ in_mid = my_in_be16((unsigned short *)addr);
+ in_did = my_in_be16((unsigned short *)((ulong)addr + 2));
+ printf(" man ID=0x%x, dev ID=0x%x.\n", in_mid, in_did);
+ my_out_be16((unsigned short *)addr, 0xf0);
udelay(1);
- my_out_be16( (unsigned short *) ((ulong)addr+ 0xaaa),0xaa );
- my_out_be16( (unsigned short *) ((ulong)addr+0x554),0x55 );
- my_out_be16( (unsigned short *) ((ulong)addr+0xaaa),0x80 );
- my_out_be16( (unsigned short *) ((ulong)addr+0xaaa),0xaa );
- my_out_be16( (unsigned short *) ((ulong)addr+0x554),0x55 );
+ my_out_be16((unsigned short *)((ulong)addr + 0xaaa), 0xaa);
+ my_out_be16((unsigned short *)((ulong)addr + 0x554), 0x55);
+ my_out_be16((unsigned short *)((ulong)addr + 0xaaa), 0x80);
+ my_out_be16((unsigned short *)((ulong)addr + 0xaaa), 0xaa);
+ my_out_be16((unsigned short *)((ulong)addr + 0x554), 0x55);
/* Start erase on unprotected sectors */
- for (sect = s_first; sect<=s_last; sect++) {
+ for (sect = s_first; sect <= s_last; sect++) {
if (info->protect[sect] == 0) { /* not protected */
- addr = (vu_long*)(info->start[sect]);
- my_out_be16( (unsigned short *) ((ulong)addr),0x30 );
+ addr = (vu_long *) (info->start[sect]);
+ my_out_be16((unsigned short *)((ulong)addr), 0x30);
l_sect = sect;
}
}
#elif defined(CONFIG_BOOT_32B)
- my_out_be32( (unsigned * ) ((ulong)addr+0x1554) , 0xaa );
- my_out_be32( (unsigned * ) ((ulong)addr+0xaa8) , 0x55 );
- my_out_be32( (unsigned *) ((ulong)addr+0x1554) , 0x90 );
- in_mid=my_in_be32( (unsigned * ) addr );
- in_did=my_in_be32( (unsigned * ) ((ulong)addr+4) );
- printf(" man ID=0x%x, dev ID=0x%x.\n",in_mid,in_did );
- my_out_be32( (unsigned *)addr, 0xf0);
+ my_out_be32((unsigned *)((ulong)addr + 0x1554), 0xaa);
+ my_out_be32((unsigned *)((ulong)addr + 0xaa8), 0x55);
+ my_out_be32((unsigned *)((ulong)addr + 0x1554), 0x90);
+
+ in_mid = my_in_be32((unsigned *)addr);
+ in_did = my_in_be32((unsigned *)((ulong)addr + 4));
+
+ printf(" man ID=0x%x, dev ID=0x%x.\n", in_mid, in_did);
+
+ my_out_be32((unsigned *) addr, 0xf0);
udelay(1);
- my_out_be32( (unsigned *) ((ulong)addr+0x1554),0xaa );
- my_out_be32( (unsigned *) ((ulong)addr+0xaa8),0x55 );
- my_out_be32( (unsigned *) ((ulong)addr+0x1554),0x80 );
- my_out_be32( (unsigned *) ((ulong)addr+0x1554),0xaa );
- my_out_be32( (unsigned *) ((ulong)addr+0xaa8),0x55 );
+
+ my_out_be32((unsigned *)((ulong)addr + 0x1554), 0xaa);
+ my_out_be32((unsigned *)((ulong)addr + 0xaa8), 0x55);
+ my_out_be32((unsigned *)((ulong)addr + 0x1554), 0x80);
+ my_out_be32((unsigned *)((ulong)addr + 0x1554), 0xaa);
+ my_out_be32((unsigned *)((ulong)addr + 0xaa8), 0x55);
+
/* Start erase on unprotected sectors */
- for (sect = s_first; sect<=s_last; sect++) {
+ for (sect = s_first; sect <= s_last; sect++) {
if (info->protect[sect] == 0) { /* not protected */
- addr = (vu_long*)(info->start[sect]);
- my_out_be32( (unsigned *) ((ulong)addr),0x00300030 );
+ addr = (vu_long *) (info->start[sect]);
+ my_out_be32((unsigned *)((ulong)addr), 0x00300030);
l_sect = sect;
}
}
#else
-# error CONFIG_BOOT_(size)B missing.
+#error CONFIG_BOOT_(size)B missing.
#endif
/* re-enable interrupts if necessary */
if (flag)
enable_interrupts();
/* wait at least 80us - let's wait 1 ms */
- udelay (1000);
+ udelay(1000);
/*
* We wait for the last triggered sector
@@ -548,53 +415,55 @@ int flash_erase (flash_info_t *info, int s_first, int s_last)
if (l_sect < 0)
goto DONE;
- start = get_timer (0);
- last = start;
- addr = (vu_long*)(info->start[l_sect]);
-#if defined (CONFIG_BOOT_8B)
- while ( (my_in_8((unsigned char *)addr) & 0x80) != 0x80 )
-#elif defined(CONFIG_BOOT_16B )
- while ( (my_in_be16((unsigned short *)addr) & 0x0080) != 0x0080 )
+ start = get_timer(0);
+ last = start;
+ addr = (vu_long *) (info->start[l_sect]);
+#if defined(CONFIG_BOOT_8B)
+ while ((my_in_8((unsigned char *) addr) & 0x80) != 0x80)
+#elif defined(CONFIG_BOOT_16B)
+ 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.
+#error CONFIG_BOOT_(size)B missing.
#endif
{
- if ((now = get_timer(start)) > CONFIG_SYS_FLASH_ERASE_TOUT) {
- printf ("Timeout\n");
+ now = get_timer(start);
+ if (now > CONFIG_SYS_FLASH_ERASE_TOUT) {
+ printf("Timeout\n");
return 1;
}
/* show that we're waiting */
if ((now - last) > 1000) { /* every second */
- putc ('.');
+ putc('.');
last = now;
}
}
DONE:
/* reset to read mode */
- addr = (volatile unsigned long *)info->start[0];
-#if defined (CONFIG_BOOT_8B)
- my_out_8( (unsigned char *)addr, 0xf0);
-#elif defined(CONFIG_BOOT_16B )
- my_out_be16( (unsigned short * ) addr , 0x00f0 );
+ addr = (volatile unsigned long *) info->start[0];
+
+#if defined(CONFIG_BOOT_8B)
+ my_out_8((unsigned char *) addr, 0xf0);
+#elif defined(CONFIG_BOOT_16B)
+ my_out_be16((unsigned short *) addr, 0x00f0);
#elif defined(CONFIG_BOOT_32B)
- my_out_be32 ( (unsigned *)addr, 0x00F000F0 ); /* reset bank */
+ my_out_be32((unsigned *) addr, 0x00F000F0); /* reset bank */
#else
-# error CONFIG_BOOT_(size)B missing.
+#error CONFIG_BOOT_(size)B missing.
#endif
- printf (" done\n");
+ printf(" done\n");
return 0;
}
-/*-----------------------------------------------------------------------
+/*
* Copy memory to flash, returns:
* 0 - OK
* 1 - write timeout
* 2 - Flash not erased
*/
-int write_buff (flash_info_t *info, uchar *src, ulong addr, ulong cnt)
+int write_buff(flash_info_t *info, uchar *src, ulong addr, ulong cnt)
{
ulong cp, wp, data;
int i, l, rc;
@@ -604,23 +473,26 @@ int write_buff (flash_info_t *info, uchar *src, ulong addr, ulong cnt)
/*
* handle unaligned start bytes
*/
- if ((l = addr - wp) != 0) {
+ l = addr - wp;
+
+ if (l != 0) {
data = 0;
- for (i=0, cp=wp; i<l; ++i, ++cp) {
- data = (data << 8) | (*(uchar *)cp);
- }
- for (; i<4 && cnt>0; ++i) {
+ for (i = 0, cp = wp; i < l; ++i, ++cp)
+ data = (data << 8) | (*(uchar *) cp);
+
+ for (; i < 4 && cnt > 0; ++i) {
data = (data << 8) | *src++;
--cnt;
++cp;
}
- for (; cnt==0 && i<4; ++i, ++cp) {
- data = (data << 8) | (*(uchar *)cp);
- }
+ for (; cnt == 0 && i < 4; ++i, ++cp)
+ data = (data << 8) | (*(uchar *) cp);
+
+ rc = write_word(info, wp, data);
+
+ if (rc != 0)
+ return rc;
- if ((rc = write_word(info, wp, data)) != 0) {
- return (rc);
- }
wp += 4;
}
@@ -629,113 +501,125 @@ int write_buff (flash_info_t *info, uchar *src, ulong addr, ulong cnt)
*/
while (cnt >= 4) {
data = 0;
- for (i=0; i<4; ++i) {
+ for (i = 0; i < 4; ++i)
data = (data << 8) | *src++;
- }
- if ((rc = write_word(info, wp, data)) != 0) {
- return (rc);
- }
- wp += 4;
+
+ rc = write_word(info, wp, data);
+
+ if (rc != 0)
+ return rc;
+
+ wp += 4;
cnt -= 4;
}
- if (cnt == 0) {
- return (0);
- }
+ if (cnt == 0)
+ return 0;
/*
* handle unaligned tail bytes
*/
data = 0;
- for (i=0, cp=wp; i<4 && cnt>0; ++i, ++cp) {
+ for (i = 0, cp = wp; i < 4 && cnt > 0; ++i, ++cp) {
data = (data << 8) | *src++;
--cnt;
}
- for (; i<4; ++i, ++cp) {
- data = (data << 8) | (*(uchar *)cp);
- }
+ for (; i < 4; ++i, ++cp)
+ data = (data << 8) | (*(uchar *) cp);
- return (write_word(info, wp, data));
+ return write_word(info, wp, data);
}
-/*-----------------------------------------------------------------------
+/*
* Write a word to Flash, returns:
* 0 - OK
* 1 - write timeout
* 2 - Flash not erased
*/
-static int write_word (flash_info_t *info, ulong dest, ulong data)
+static int write_word(flash_info_t *info, ulong dest, ulong data)
{
- ulong addr = (ulong)(info->start[0]);
- ulong start,last;
+ ulong addr = (ulong) (info->start[0]);
+ ulong start, last;
int flag;
ulong i;
- int data_short[2];
+ int data_short[2];
/* Check if Flash is (sufficiently) erased */
- if ( ((ulong) *(ulong *)dest & data) != data ) {
- return (2);
- }
+ if (((ulong)*(ulong *)dest & data) != data)
+ return 2;
+
/* Disable interrupts which might cause a timeout here */
flag = disable_interrupts();
#if defined(CONFIG_BOOT_8B)
#ifdef DEBUG
{
- int in_mid,in_did;
- my_out_8( (unsigned char * ) (addr+0x555) , 0xaa );
- my_out_8( (unsigned char * ) (addr+0x2aa) , 0x55 );
- 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 );
- my_out_8( (unsigned char *)addr, 0xf0);
- udelay(1);
+ int in_mid, in_did;
+
+ my_out_8((unsigned char *) (addr + 0x555), 0xaa);
+ my_out_8((unsigned char *) (addr + 0x2aa), 0x55);
+ 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);
+
+ my_out_8((unsigned char *) addr, 0xf0);
+ udelay(1);
}
#endif
- {
- int data_ch[4];
- data_ch[0]=(int ) ((data>>24) & 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++ ){
- my_out_8( (unsigned char *) (addr+0x555),0xaa);
- my_out_8((unsigned char *) (addr+0x2aa),0x55);
- my_out_8( (unsigned char *) (addr+0x555),0xa0);
- my_out_8((unsigned char *) (dest+i) ,data_ch[i]);
- /* re-enable interrupts if necessary */
- if (flag)
- enable_interrupts();
-
- start = get_timer (0);
- last = start;
- while( ( my_in_8((unsigned char *) (dest+i)) ) != ( data_ch[i] ) ) {
- if (get_timer(start) > CONFIG_SYS_FLASH_WRITE_TOUT ) {
- return 1;
- }
- }
- }/* for */
- }
-#elif defined( CONFIG_BOOT_16B)
- data_short[0]=(int) (data>>16) & 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 );
- my_out_be16( (unsigned short *) ((ulong)addr+ 0xaaa),0xa0 );
- my_out_be16( (unsigned short *) (dest+(i*2)) ,data_short[i]);
- /* re-enable interrupts if necessary */
- if (flag)
- enable_interrupts();
- start = get_timer (0);
- last = start;
- while( ( my_in_be16((unsigned short *) (dest+(i*2))) ) != ( data_short[i] ) ) {
- if (get_timer(start) > CONFIG_SYS_FLASH_WRITE_TOUT ) {
- return 1;
- }
- }
+ {
+ int data_ch[4];
+
+ data_ch[0] = (int) ((data >> 24) & 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++) {
+ my_out_8((unsigned char *) (addr + 0x555), 0xaa);
+ my_out_8((unsigned char *) (addr + 0x2aa), 0x55);
+ my_out_8((unsigned char *) (addr + 0x555), 0xa0);
+ my_out_8((unsigned char *) (dest + i), data_ch[i]);
+
+ /* re-enable interrupts if necessary */
+ if (flag)
+ enable_interrupts();
+
+ start = get_timer(0);
+ last = start;
+ while ((my_in_8((unsigned char *)(dest + i))) !=
+ (data_ch[i])) {
+ if (get_timer(start) >
+ CONFIG_SYS_FLASH_WRITE_TOUT) {
+ return 1;
+ }
+ }
+ } /* for */
+ }
+#elif defined(CONFIG_BOOT_16B)
+ data_short[0] = (int) (data >> 16) & 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);
+ my_out_be16((unsigned short *)((ulong)addr + 0xaaa), 0xa0);
+ my_out_be16((unsigned short *)(dest + (i * 2)),
+ data_short[i]);
+
+ /* re-enable interrupts if necessary */
+ if (flag)
+ enable_interrupts();
+
+ start = get_timer(0);
+ last = start;
+ while ((my_in_be16((unsigned short *)(dest + (i * 2)))) !=
+ (data_short[i])) {
+ if (get_timer(start) > CONFIG_SYS_FLASH_WRITE_TOUT)
+ return 1;
+ }
}
-#elif defined( CONFIG_BOOT_32B)
+#elif defined(CONFIG_BOOT_32B)
addr[0x0555] = 0x00AA00AA;
addr[0x02AA] = 0x00550055;
addr[0x0555] = 0x00A000A0;
@@ -747,51 +631,54 @@ static int write_word (flash_info_t *info, ulong dest, ulong data)
enable_interrupts();
/* data polling for D7 */
- start = get_timer (0);
+ start = get_timer(0);
while ((*((vu_long *)dest) & 0x00800080) != (data & 0x00800080)) {
- if (get_timer(start) > CONFIG_SYS_FLASH_WRITE_TOUT) {
- return (1);
- }
+ if (get_timer(start) > CONFIG_SYS_FLASH_WRITE_TOUT)
+ return 1;
}
#endif
-
-
- return (0);
+ return 0;
}
-#ifdef CONFIG_BOOT_8B
-static int my_in_8 ( unsigned char *addr)
+
+#ifdef CONFIG_BOOT_8B
+static int my_in_8(unsigned char *addr)
{
- int ret;
- __asm__ __volatile__("lbz%U1%X1 %0,%1; eieio" : "=r" (ret) : "m" (*addr));
- return ret;
+ int ret;
+ __asm__ __volatile__("lbz%U1%X1 %0,%1; eieio":"=r"(ret):"m"(*addr));
+
+ return ret;
}
-static void my_out_8 ( unsigned char *addr, int val)
+static void my_out_8(unsigned char *addr, int val)
{
- __asm__ __volatile__("stb%U0%X0 %1,%0; eieio" : "=m" (*addr) : "r" (val));
+ __asm__ __volatile__("stb%U0%X0 %1,%0; eieio":"=m"(*addr):"r"(val));
}
#endif
-#ifdef CONFIG_BOOT_16B
-static int my_in_be16( unsigned short *addr)
+#ifdef CONFIG_BOOT_16B
+static int my_in_be16(unsigned short *addr)
{
- int ret;
- __asm__ __volatile__("lhz%U1%X1 %0,%1; eieio" : "=r" (ret) : "m" (*addr));
- return ret;
+ int 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)
+
+static void my_out_be16(unsigned short *addr, int val)
{
- __asm__ __volatile__("sth%U0%X0 %1,%0; eieio" : "=m" (*addr) : "r" (val));
+ __asm__ __volatile__("sth%U0%X0 %1,%0; eieio":"=m"(*addr):"r"(val));
}
#endif
-#ifdef CONFIG_BOOT_32B
-static unsigned my_in_be32( unsigned *addr)
+#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;
+ __asm__ __volatile__("lwz%U1%X1 %0,%1; eieio":"=r"(ret):"m"(*addr));
+
+ return ret;
}
-static void my_out_be32( unsigned *addr, int val)
+
+static void my_out_be32(unsigned *addr, int val)
{
- __asm__ __volatile__("stw%U0%X0 %1,%0; eieio" : "=m" (*addr) : "r" (val));
+ __asm__ __volatile__("stw%U0%X0 %1,%0; eieio":"=m"(*addr):"r"(val));
}
#endif