#include <common.h>
#include <mpc8xx.h>
-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 ulong flash_get_size (vu_long *addr, flash_info_t *info);
-static int write_word (flash_info_t *info, ulong dest, ulong data);
-static void flash_get_offsets (ulong base, flash_info_t *info);
+static ulong flash_get_size(vu_long *addr, flash_info_t *info);
+static int write_word(flash_info_t *info, ulong dest, ulong data);
+static void flash_get_offsets(ulong base, flash_info_t *info);
/*-----------------------------------------------------------------------
*/
-unsigned long flash_init (void)
+unsigned long flash_init(void)
{
volatile immap_t *immap = (immap_t *)CONFIG_SYS_IMMR;
volatile memctl8xx_t *memctl = &immap->im_memctl;
int i;
/* 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;
- }
/* Static FLASH Bank configuration here - FIXME XXX */
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",
+ 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]);
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[1].sector_count = -1;
flash_info[0].size = 0;
flash_info[1].size = 0;
- return (0);
+ return 0;
}
/* Remap FLASH according to real size */
memctl->memc_or0 = CONFIG_SYS_OR_TIMING_FLASH | (-size_b0 & 0xFFFF8000);
#ifdef CONFIG_FLASH_16BIT
- memctl->memc_br0 = (CONFIG_SYS_FLASH_BASE & BR_BA_MSK) | BR_MS_GPCM | BR_V | BR_PS_16; /* 16 Bit data port */
+ memctl->memc_br0 = (CONFIG_SYS_FLASH_BASE & BR_BA_MSK) |
+ BR_MS_GPCM | BR_V | BR_PS_16; /* 16 Bit data port */
#else
- memctl->memc_br0 = (CONFIG_SYS_FLASH_BASE & BR_BA_MSK) | BR_MS_GPCM | BR_V;
+ memctl->memc_br0 = (CONFIG_SYS_FLASH_BASE & BR_BA_MSK) |
+ BR_MS_GPCM | BR_V;
#endif
/* 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 */
#endif
if (size_b1) {
- memctl->memc_or1 = CONFIG_SYS_OR_TIMING_FLASH | (-size_b1 & 0xFFFF8000);
+ memctl->memc_or1 = CONFIG_SYS_OR_TIMING_FLASH |
+ (-size_b1 & 0xFFFF8000);
#ifdef CONFIG_FLASH_16BIT
- memctl->memc_br1 = ((CONFIG_SYS_FLASH_BASE + size_b0) & BR_BA_MSK) |
- BR_MS_GPCM | BR_V | BR_PS_16;
+ memctl->memc_br1 = ((CONFIG_SYS_FLASH_BASE + size_b0) &
+ BR_BA_MSK) | BR_MS_GPCM | BR_V | BR_PS_16;
#else
- memctl->memc_br1 = ((CONFIG_SYS_FLASH_BASE + size_b0) & BR_BA_MSK) |
- BR_MS_GPCM | BR_V;
+ memctl->memc_br1 = ((CONFIG_SYS_FLASH_BASE + size_b0) &
+ BR_BA_MSK) | BR_MS_GPCM | BR_V;
#endif
/* 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_info[0].size = size_b0;
flash_info[1].size = size_b1;
- return (size_b0 + size_b1);
+ return size_b0 + size_b1;
}
/*-----------------------------------------------------------------------
*/
-static void flash_get_offsets (ulong base, flash_info_t *info)
+static void flash_get_offsets(ulong base, flash_info_t *info)
{
int i;
- if (info->flash_id == FLASH_UNKNOWN) {
+ if (info->flash_id == FLASH_UNKNOWN)
return;
- }
if ((info->flash_id & FLASH_VENDMASK) == FLASH_MAN_SST) {
- for (i = 0; i < info->sector_count; i++) {
+ for (i = 0; i < info->sector_count; i++)
info->start[i] = base + (i * 0x00002000);
- }
+
return;
}
info->start[1] = base + 0x00004000;
info->start[2] = base + 0x00006000;
info->start[3] = base + 0x00008000;
- for (i = 4; i < info->sector_count; i++) {
+ for (i = 4; i < info->sector_count; i++)
info->start[i] = base + (i * 0x00010000) - 0x00030000;
#else
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++) {
+ for (i = 4; i < info->sector_count; i++)
info->start[i] = base + (i * 0x00020000) - 0x00060000;
#endif
- }
} 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--) {
+ for (; i >= 0; i--)
info->start[i] = base + i * 0x00020000;
- }
}
-
}
/*-----------------------------------------------------------------------
*/
-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;
- case FLASH_MAN_SST: printf ("SST "); break;
- case FLASH_MAN_STM: printf ("STM "); break;
- default: printf ("Unknown Vendor "); break;
+ case FLASH_MAN_AMD:
+ printf("AMD ");
+ break;
+ case FLASH_MAN_FUJ:
+ printf("FUJITSU ");
+ break;
+ case FLASH_MAN_SST:
+ printf("SST ");
+ break;
+ case FLASH_MAN_STM:
+ printf("STM ");
+ 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;
- case FLASH_SST200A: printf ("39xF200A (2M = 128K x 16)\n");
- break;
- case FLASH_SST400A: printf ("39xF400A (4M = 256K x 16)\n");
- break;
- case FLASH_SST800A: printf ("39xF800A (8M = 512K x 16)\n");
- break;
- case FLASH_STM800AB: printf ("M29W800AB (8M = 512K x 16)\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;
+ case FLASH_SST200A:
+ printf("39xF200A (2M = 128K x 16)\n");
+ break;
+ case FLASH_SST400A:
+ printf("39xF400A (4M = 256K x 16)\n");
+ break;
+ case FLASH_SST800A:
+ printf("39xF800A (8M = 512K x 16)\n");
+ break;
+ case FLASH_STM800AB:
+ printf("M29W800AB (8M = 512K x 16)\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",
+ 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!
*/
-static ulong flash_get_size (vu_long *addr, flash_info_t *info)
+static ulong flash_get_size(vu_long *addr, flash_info_t *info)
{
short i;
ulong value;
/* Write auto select command: read Manufacturer ID */
#ifdef CONFIG_FLASH_16BIT
- vu_short *s_addr = (vu_short*)addr;
+ vu_short *s_addr = (vu_short *)addr;
s_addr[0x5555] = 0x00AA;
s_addr[0x2AAA] = 0x0055;
s_addr[0x5555] = 0x0090;
info->flash_id = FLASH_UNKNOWN;
info->sector_count = 0;
info->size = 0;
- return (0); /* no or unknown flash */
+ return 0; /* no or unknown flash */
}
#ifdef CONFIG_FLASH_16BIT
value = s_addr[1];
#endif
break;
-#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
case SST_ID_xF200A:
info->flash_id += FLASH_SST200A;
- info->sector_count = 64; /* 39xF200A ID ( 2M = 128K x 16 ) */
+ info->sector_count = 64; /* 39xF200A (2M = 128K x 16) */
info->size = 0x00080000;
break;
case SST_ID_xF400A:
info->flash_id += FLASH_SST400A;
- info->sector_count = 128; /* 39xF400A ID ( 4M = 256K x 16 ) */
+ info->sector_count = 128; /* 39xF400A (4M = 256K x 16) */
info->size = 0x00100000;
break;
case SST_ID_xF800A:
info->flash_id += FLASH_SST800A;
- info->sector_count = 256; /* 39xF800A ID ( 8M = 512K x 16 ) */
+ info->sector_count = 256; /* 39xF800A (8M = 512K x 16) */
info->size = 0x00200000;
break; /* => 2 MB */
case STM_ID_x800AB:
break; /* => 2 MB */
default:
info->flash_id = FLASH_UNKNOWN;
- return (0); /* => no or unknown flash */
+ return 0; /* => no or unknown flash */
}
if (info->sector_count > CONFIG_SYS_MAX_FLASH_SECT) {
- printf ("** ERROR: sector count %d > max (%d) **\n",
+ printf("** ERROR: sector count %d > max (%d) **\n",
info->sector_count, CONFIG_SYS_MAX_FLASH_SECT);
info->sector_count = CONFIG_SYS_MAX_FLASH_SECT;
}
if ((info->flash_id & FLASH_VENDMASK) == FLASH_MAN_SST) {
- for (i = 0; i < info->sector_count; i++) {
+ for (i = 0; i < info->sector_count; i++)
info->start[i] = base + (i * 0x00002000);
- }
} else { /* AMD and Fujitsu types */
/* set up sector start address table */
if (info->flash_id & FLASH_BTYPE) {
- /* set sector offsets for bottom boot block type */
+ /* set sector offsets for bottom boot block type */
#ifdef CONFIG_FLASH_16BIT
info->start[0] = base + 0x00000000;
info->start[1] = base + 0x00004000;
info->start[2] = base + 0x00006000;
info->start[3] = base + 0x00008000;
- for (i = 4; i < info->sector_count; i++) {
- info->start[i] = base + (i * 0x00010000) - 0x00030000;
+ for (i = 4; i < info->sector_count; i++)
+ info->start[i] = base +
+ (i * 0x00010000) - 0x00030000;
#else
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;
+ for (i = 4; i < info->sector_count; i++)
+ info->start[i] = base +
+ (i * 0x00020000) - 0x00060000;
#endif
- }
} else {
- /* set sector offsets for top boot block type */
+ /* 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--) {
+ 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:
+ /*
+ * read sector protection at sector address:
* (A7 .. A0) = 0x02
* D0 = 1 if protected
*/
#endif
}
- return (info->size);
+ return info->size;
}
-
-/*-----------------------------------------------------------------------
- */
-
-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]);
+ vu_long *addr = (vu_long *)(info->start[0]);
int flag, prot, sect;
ulong start, now, last;
#ifdef CONFIG_FLASH_16BIT
- vu_short *s_addr = (vu_short*)addr;
+ vu_short *s_addr = (vu_short *)addr;
#endif
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;
}
/*#ifndef CONFIG_FLASH_16BIT
}
#endif*/
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");
}
- start = get_timer (0);
+ start = get_timer(0);
last = start;
/* 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 */
#ifdef CONFIG_FLASH_16BIT
- vu_short *s_sect_addr = (vu_short*)(info->start[sect]);
+ vu_short *s_sect_addr = (vu_short *)(info->start[sect]);
#else
- vu_long *sect_addr = (vu_long*)(info->start[sect]);
+ vu_long *sect_addr = (vu_long *)(info->start[sect]);
#endif
- /* Disable interrupts which might cause a timeout here */
+ /* Disable interrupts which might cause a timeout */
flag = disable_interrupts();
#ifdef CONFIG_FLASH_16BIT
enable_interrupts();
/* wait at least 80us - let's wait 1 ms */
- udelay (1000);
+ udelay(1000);
#ifdef CONFIG_FLASH_16BIT
while ((s_sect_addr[0] & 0x0080) != 0x0080) {
#else
while ((sect_addr[0] & 0x00800080) != 0x00800080) {
#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 ('.');
+ /* show every second that we're waiting */
+ if ((now - last) > 1000) {
+ putc('.');
last = now;
}
}
addr[0] = 0x00F000F0; /* reset bank */
#endif
- printf (" done\n");
+ printf(" done\n");
return 0;
}
* 4 - Flash not identified
*/
-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;
- if (info->flash_id == FLASH_UNKNOWN) {
+ if (info->flash_id == FLASH_UNKNOWN)
return 4;
- }
wp = (addr & ~3); /* get lower word aligned address */
/*
* 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) {
+ for (i = 0, cp = wp; i < l; ++i, ++cp)
data = (data << 8) | (*(uchar *)cp);
- }
- for (; i<4 && cnt>0; ++i) {
+
+ for (; i < 4 && cnt > 0; ++i) {
data = (data << 8) | *src++;
--cnt;
++cp;
}
- for (; cnt==0 && i<4; ++i, ++cp) {
+ for (; cnt == 0 && i < 4; ++i, ++cp)
data = (data << 8) | (*(uchar *)cp);
- }
- if ((rc = write_word(info, wp, data)) != 0) {
- return (rc);
- }
+ rc = write_word(info, wp, data);
+
+ if (rc != 0)
+ return rc;
+
wp += 4;
}
*/
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);
- }
+
+ 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) {
+ for (; i < 4; ++i, ++cp)
data = (data << 8) | (*(uchar *)cp);
- }
- return (write_word(info, wp, data));
+ return write_word(info, wp, data);
}
/*-----------------------------------------------------------------------
* 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)
{
- vu_long *addr = (vu_long*)(info->start[0]);
+ vu_long *addr = (vu_long *)(info->start[0]);
#ifdef CONFIG_FLASH_16BIT
vu_short high_data;
vu_short low_data;
- vu_short *s_addr = (vu_short*)addr;
+ vu_short *s_addr = (vu_short *)addr;
#endif
ulong start;
int flag;
/* Check if Flash is (sufficiently) erased */
- if ((*((vu_long *)dest) & data) != data) {
- return (2);
- }
+ if ((*((vu_long *)dest) & data) != data)
+ return 2;
#ifdef CONFIG_FLASH_16BIT
/* Write the 16 higher-bits */
*((vu_short *)dest) = high_data;
-
/* re-enable interrupts if necessary */
if (flag)
enable_interrupts();
/* data polling for D7 */
- start = get_timer (0);
+ start = get_timer(0);
while ((*((vu_short *)dest) & 0x0080) != (high_data & 0x0080)) {
- if (get_timer(start) > CONFIG_SYS_FLASH_WRITE_TOUT) {
- return (1);
- }
+ if (get_timer(start) > CONFIG_SYS_FLASH_WRITE_TOUT)
+ return 1;
}
-
/* Write the 16 lower-bits */
#endif
enable_interrupts();
/* data polling for D7 */
- start = get_timer (0);
+ start = get_timer(0);
#ifdef CONFIG_FLASH_16BIT
while ((*((vu_short *)dest) & 0x0080) != (low_data & 0x0080)) {
while ((*((vu_long *)dest) & 0x00800080) != (data & 0x00800080)) {
#endif
- if (get_timer(start) > CONFIG_SYS_FLASH_WRITE_TOUT) {
- return (1);
- }
+ if (get_timer(start) > CONFIG_SYS_FLASH_WRITE_TOUT)
+ return 1;
}
- return (0);
+ return 0;
}
-
-/*-----------------------------------------------------------------------
- */
projects / u-boot / commitdiff