board/w7o/flash.c: make (mostly) checkpatch clean

No full cleanup was attempted.  Warnings about "Use of volatile is
usually wrong" were ignored.  One line > 80 char was intentionally
accepted.

Signed-off-by: Wolfgang Denk <wd@denx.de>
master
Wolfgang Denk 14 years ago
parent 96aedd4266
commit 75a69acbe2
  1. 280
      board/w7o/flash.c

@ -29,9 +29,10 @@
#include <watchdog.h> #include <watchdog.h>
flash_info_t flash_info[CONFIG_SYS_MAX_FLASH_BANKS]; /* info for FLASH chips */ /* info for FLASH chips */
flash_info_t flash_info[CONFIG_SYS_MAX_FLASH_BANKS];
/*----------------------------------------------------------------------- /*
* Functions * Functions
*/ */
static ulong flash_get_size(vu_long *addr, flash_info_t *info); static ulong flash_get_size(vu_long *addr, flash_info_t *info);
@ -39,9 +40,6 @@ static int write_word8(flash_info_t *info, ulong dest, ulong data);
static int write_word32(flash_info_t *info, ulong dest, ulong data); static int write_word32(flash_info_t *info, ulong dest, ulong data);
static void flash_get_offsets(ulong base, flash_info_t *info); static void flash_get_offsets(ulong base, flash_info_t *info);
/*-----------------------------------------------------------------------
*/
unsigned long flash_init(void) unsigned long flash_init(void)
{ {
int i; int i;
@ -49,18 +47,20 @@ unsigned long flash_init (void)
unsigned long size_b1, base_b1; unsigned long size_b1, base_b1;
/* Init: no FLASHes known */ /* 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; flash_info[i].flash_id = FLASH_UNKNOWN;
}
/* Get Size of Boot and Main Flashes */ /* Get Size of Boot and Main Flashes */
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) { 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_b0, size_b0 << 20);
return 0; return 0;
} }
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 (flash_info[1].flash_id == FLASH_UNKNOWN) { if (flash_info[1].flash_id == FLASH_UNKNOWN) {
printf("## Unknown FLASH on Bank 1 - Size = 0x%08lx = %ld MB\n", printf("## Unknown FLASH on Bank 1 - Size = 0x%08lx = %ld MB\n",
size_b1, size_b1 << 20); size_b1, size_b1 << 20);
@ -77,36 +77,31 @@ unsigned long flash_init (void)
/* Protect board level data */ /* Protect board level data */
(void) flash_protect(FLAG_PROTECT_SET, (void) flash_protect(FLAG_PROTECT_SET,
base_b0, base_b0,
flash_info[0].start[1] - 1, flash_info[0].start[1] - 1, &flash_info[0]);
&flash_info[0]);
/* Monitor protection ON by default */ /* Monitor protection ON by default */
(void) flash_protect(FLAG_PROTECT_SET, (void) flash_protect(FLAG_PROTECT_SET,
base_b0 + size_b0 - monitor_flash_len, base_b0 + size_b0 - monitor_flash_len,
base_b0 + size_b0 - 1, base_b0 + size_b0 - 1, &flash_info[0]);
&flash_info[0]);
/* Protect the FPGA image */ /* Protect the FPGA image */
(void) flash_protect(FLAG_PROTECT_SET, (void) flash_protect(FLAG_PROTECT_SET,
FLASH_BASE1_PRELIM, FLASH_BASE1_PRELIM,
FLASH_BASE1_PRELIM + CONFIG_SYS_FPGA_IMAGE_LEN - 1, FLASH_BASE1_PRELIM + CONFIG_SYS_FPGA_IMAGE_LEN -
&flash_info[1]); 1, &flash_info[1]);
/* Protect the default boot image */ /* Protect the default boot image */
(void) flash_protect(FLAG_PROTECT_SET, (void) flash_protect(FLAG_PROTECT_SET,
FLASH_BASE1_PRELIM + CONFIG_SYS_FPGA_IMAGE_LEN, FLASH_BASE1_PRELIM + CONFIG_SYS_FPGA_IMAGE_LEN,
FLASH_BASE1_PRELIM + CONFIG_SYS_FPGA_IMAGE_LEN + 0x600000 - 1, FLASH_BASE1_PRELIM + CONFIG_SYS_FPGA_IMAGE_LEN +
&flash_info[1]); 0x600000 - 1, &flash_info[1]);
/* Setup offsets for Main Flash */ /* Setup offsets for Main Flash */
flash_get_offsets(FLASH_BASE1_PRELIM, &flash_info[1]); flash_get_offsets(FLASH_BASE1_PRELIM, &flash_info[1]);
return (size_b0 + size_b1); return size_b0 + size_b1;
} /* end flash_init() */ }
/*-----------------------------------------------------------------------
*/
static void flash_get_offsets(ulong base, flash_info_t *info) static void flash_get_offsets(ulong base, flash_info_t *info)
{ {
int i; int i;
@ -118,8 +113,6 @@ static void flash_get_offsets (ulong base, flash_info_t *info)
} }
} /* end flash_get_offsets() */ } /* end flash_get_offsets() */
/*-----------------------------------------------------------------------
*/
void flash_print_info(flash_info_t *info) void flash_print_info(flash_info_t *info)
{ {
int i; int i;
@ -134,10 +127,17 @@ void flash_print_info (flash_info_t *info)
} }
switch (info->flash_id & FLASH_VENDMASK) { switch (info->flash_id & FLASH_VENDMASK) {
case FLASH_MAN_AMD: printf ("1 x AMD "); break; case FLASH_MAN_AMD:
case FLASH_MAN_STM: printf ("1 x STM "); break; printf("1 x AMD ");
case FLASH_MAN_INTEL: printf ("2 x Intel "); break; break;
default: printf ("Unknown Vendor "); case FLASH_MAN_STM:
printf("1 x STM ");
break;
case FLASH_MAN_INTEL:
printf("2 x Intel ");
break;
default:
printf("Unknown Vendor ");
} }
switch (info->flash_id & FLASH_TYPEMASK) { switch (info->flash_id & FLASH_TYPEMASK) {
@ -182,10 +182,8 @@ void flash_print_info (flash_info_t *info)
erased = 1; erased = 1;
flash = (volatile unsigned long *) info->start[i]; flash = (volatile unsigned long *) info->start[i];
size = size >> 2; /* divide by 4 for longword access */ size = size >> 2; /* divide by 4 for longword access */
for (k=0; k<size; k++) for (k = 0; k < size; k++) {
{ if (*flash++ != 0xffffffff) {
if (*flash++ != 0xffffffff)
{
erased = 0; erased = 0;
break; break;
} }
@ -196,8 +194,7 @@ void flash_print_info (flash_info_t *info)
printf(" %08lX%s%s", printf(" %08lX%s%s",
info->start[i], info->start[i],
erased ? " E" : " ", erased ? " E" : " ",
info->protect[i] ? "RO " : " " info->protect[i] ? "RO " : " ");
);
} }
printf("\n"); printf("\n");
} /* end flash_print_info() */ } /* end flash_print_info() */
@ -252,8 +249,7 @@ static ulong flash_get_size (vu_long *addr, flash_info_t *info)
*addr2 = 0xf0; /* => no or unknown flash */ *addr2 = 0xf0; /* => no or unknown flash */
return 0; return 0;
} }
} } else { /* MAIN Flash */
else { /* MAIN Flash */
unsigned long value; unsigned long value;
volatile unsigned long *addr2 = (unsigned long *) addr; volatile unsigned long *addr2 = (unsigned long *) addr;
@ -311,30 +307,38 @@ static ulong flash_get_size (vu_long *addr, flash_info_t *info)
case FLASH_28F640J3A: case FLASH_28F640J3A:
case FLASH_28F128J3A: case FLASH_28F128J3A:
for (i = 0; i < info->sector_count; i++) for (i = 0; i < info->sector_count; i++)
info->start[i] = base + (i * 0x00020000 * 2); /* 2 Banks */ info->start[i] = base +
(i * 0x00020000 * 2); /* 2 Banks */
break; break;
} }
/* Test for Boot Flash */ /* Test for Boot Flash */
if (base == FLASH_BASE0_PRELIM) { if (base == FLASH_BASE0_PRELIM) {
volatile unsigned char *addr2; volatile unsigned char *addr2;
/* check for protected sectors */ /* check for protected sectors */
for (i = 0; i < info->sector_count; i++) { for (i = 0; i < info->sector_count; i++) {
/* read sector protection at sector address, (AX .. A0) = 0x02 */ /*
/* D0 = 1 if protected */ * read sector protection at sector address,
* (AX .. A0) = 0x02
* D0 = 1 if protected
*/
addr2 = (volatile unsigned char *) (info->start[i]); addr2 = (volatile unsigned char *) (info->start[i]);
info->protect[i] = *(addr2 + 2) & 1; info->protect[i] = *(addr2 + 2) & 1;
} }
/* Restore read mode */ /* Restore read mode */
*(unsigned char *) base = 0xF0; /* Reset NORMAL Flash */ *(unsigned char *) base = 0xF0; /* Reset NORMAL Flash */
} } else { /* Main Flash */
else { /* Main Flash */
volatile unsigned long *addr2; volatile unsigned long *addr2;
/* check for protected sectors */ /* check for protected sectors */
for (i = 0; i < info->sector_count; i++) { for (i = 0; i < info->sector_count; i++) {
/* read sector protection at sector address, (AX .. A0) = 0x02 */ /*
/* D0 = 1 if protected */ * read sector protection at sector address,
* (AX .. A0) = 0x02
* D0 = 1 if protected
*/
addr2 = (volatile unsigned long *) (info->start[i]); addr2 = (volatile unsigned long *) (info->start[i]);
info->protect[i] = *(addr2 + 2) & 0x1; info->protect[i] = *(addr2 + 2) & 0x1;
} }
@ -343,12 +347,9 @@ static ulong flash_get_size (vu_long *addr, flash_info_t *info)
*(unsigned long *) base = 0xFFFFFFFF; /* Reset Flash */ *(unsigned long *) base = 0xFFFFFFFF; /* Reset Flash */
} }
return (info->size); return info->size;
} /* end flash_get_size() */ } /* end flash_get_size() */
/*-----------------------------------------------------------------------
*/
static int wait_for_DQ7(ulong addr, uchar cmp_val, ulong tout) static int wait_for_DQ7(ulong addr, uchar cmp_val, ulong tout)
{ {
int i; int i;
@ -361,9 +362,8 @@ static int wait_for_DQ7(ulong addr, uchar cmp_val, ulong tout)
/* Pause 10 us */ /* Pause 10 us */
/* Check for completion */ /* Check for completion */
if ((vaddr[0] & 0x80) == (cmp_val & 0x80)) { if ((vaddr[0] & 0x80) == (cmp_val & 0x80))
return 0; return 0;
}
/* KEEP THE LUSER HAPPY - Print a dot every 1.1 seconds */ /* KEEP THE LUSER HAPPY - Print a dot every 1.1 seconds */
if (!(i % 110000)) if (!(i % 110000))
@ -376,9 +376,6 @@ static int wait_for_DQ7(ulong addr, uchar cmp_val, ulong tout)
return 1; return 1;
} /* wait_for_DQ7() */ } /* wait_for_DQ7() */
/*-----------------------------------------------------------------------
*/
static int flash_erase8(flash_info_t *info, int s_first, int s_last) static int flash_erase8(flash_info_t *info, int s_first, int s_last)
{ {
int tcode, rcode = 0; int tcode, rcode = 0;
@ -407,22 +404,25 @@ static int flash_erase8(flash_info_t *info, int s_first, int s_last)
if (info->protect[sect]) if (info->protect[sect])
prot++; prot++;
} }
if (prot) if (prot) {
printf ("- Warning: %d protected sectors will not be erased!\n", prot); printf("- Warning: %d protected sectors will not be erased!\n",
else prot);
} else {
printf("\n"); printf("\n");
}
/* Start erase on unprotected sectors */ /* 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 */ if (info->protect[sect] == 0) { /* not protected */
sector_addr = (uchar *) (info->start[sect]); sector_addr = (uchar *) (info->start[sect]);
if ((info->flash_id & FLASH_VENDMASK) == FLASH_MAN_STM) if ((info->flash_id & FLASH_VENDMASK) ==
FLASH_MAN_STM)
printf("Erasing block %p\n", sector_addr); printf("Erasing block %p\n", sector_addr);
else else
printf("Erasing sector %p\n", sector_addr); printf("Erasing sector %p\n", sector_addr);
/* Disable interrupts which might cause Flash to timeout */ /* Disable interrupts which might cause timeout */
flag = disable_interrupts(); flag = disable_interrupts();
*(addr + 0x555) = (uchar) 0xAA; *(addr + 0x555) = (uchar) 0xAA;
@ -491,10 +491,12 @@ static int flash_erase32(flash_info_t *info, int s_first, int s_last)
if (info->protect[sect]) if (info->protect[sect])
prot++; prot++;
} }
if (prot) if (prot) {
printf ("- Warning: %d protected sectors will not be erased!\n", prot); printf("- Warning: %d protected sectors will not be erased!\n",
else prot);
} else {
printf("\n"); printf("\n");
}
start = get_timer(0); start = get_timer(0);
last = start; last = start;
@ -505,7 +507,7 @@ static int flash_erase32(flash_info_t *info, int s_first, int s_last)
vu_long *addr = (vu_long *) (info->start[sect]); vu_long *addr = (vu_long *) (info->start[sect]);
unsigned long status; unsigned long status;
/* Disable interrupts which might cause a timeout here */ /* Disable interrupts which might cause a timeout */
flag = disable_interrupts(); flag = disable_interrupts();
*addr = 0x00500050; /* clear status register */ *addr = 0x00500050; /* clear status register */
@ -520,15 +522,21 @@ static int flash_erase32(flash_info_t *info, int s_first, int s_last)
udelay(1000); udelay(1000);
while (((status = *addr) & 0x00800080) != 0x00800080) { while (((status = *addr) & 0x00800080) != 0x00800080) {
if ((now = get_timer(start)) > CONFIG_SYS_FLASH_ERASE_TOUT) { now = get_timer(start);
if (now > CONFIG_SYS_FLASH_ERASE_TOUT) {
printf("Timeout\n"); printf("Timeout\n");
*addr = 0x00B000B0; /* suspend erase */ /* suspend erase */
*addr = 0x00FF00FF; /* reset to read mode */ *addr = 0x00B000B0;
/* reset to read mode */
*addr = 0x00FF00FF;
return 1; return 1;
} }
/* show that we're waiting */ /*
if ((now - last) > 990) { /* every second */ * show that we're waiting
* every second (?)
*/
if ((now - last) > 990) {
putc('.'); putc('.');
last = now; last = now;
} }
@ -538,7 +546,7 @@ static int flash_erase32(flash_info_t *info, int s_first, int s_last)
} }
printf(" done\n"); printf(" done\n");
return 0; return 0;
} /* end flash_erase32() */ }
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)
{ {
@ -546,15 +554,16 @@ int flash_erase(flash_info_t *info, int s_first, int s_last)
return flash_erase8(info, s_first, s_last); return flash_erase8(info, s_first, s_last);
else else
return flash_erase32(info, s_first, s_last); return flash_erase32(info, s_first, s_last);
} /* end flash_erase() */ }
/*----------------------------------------------------------------------- /*
* Copy memory to flash, returns: * Copy memory to flash, returns:
* 0 - OK * 0 - OK
* 1 - write timeout * 1 - write timeout
* 2 - Flash not erased * 2 - Flash not erased
*/ */
static int write_buff8(flash_info_t *info, uchar *src, ulong addr, ulong cnt) static int write_buff8(flash_info_t *info, uchar *src, ulong addr,
ulong cnt)
{ {
ulong cp, wp, data; ulong cp, wp, data;
ulong start; ulong start;
@ -568,23 +577,25 @@ static int write_buff8(flash_info_t *info, uchar *src, ulong addr, ulong cnt)
/* /*
* handle unaligned start bytes * handle unaligned start bytes
*/ */
if ((l = addr - wp) != 0) { l = addr - wp;
if (l != 0) {
data = 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); data = (data << 8) | (*(uchar *) cp);
}
for (; i < 4 && cnt > 0; ++i) { for (; i < 4 && cnt > 0; ++i) {
data = (data << 8) | *src++; data = (data << 8) | *src++;
--cnt; --cnt;
++cp; ++cp;
} }
for (; cnt==0 && i<4; ++i, ++cp) {
for (; cnt == 0 && i < 4; ++i, ++cp)
data = (data << 8) | (*(uchar *) cp); data = (data << 8) | (*(uchar *) cp);
}
if ((rc = write_word8(info, wp, data)) != 0) { rc = write_word8(info, wp, data);
return (rc); if (rc != 0)
} return rc;
wp += 4; wp += 4;
} }
@ -593,12 +604,13 @@ static int write_buff8(flash_info_t *info, uchar *src, ulong addr, ulong cnt)
*/ */
while (cnt >= 4) { while (cnt >= 4) {
data = 0; data = 0;
for (i=0; i<4; ++i) { for (i = 0; i < 4; ++i)
data = (data << 8) | *src++; data = (data << 8) | *src++;
}
if ((rc = write_word8(info, wp, data)) != 0) { rc = write_word8(info, wp, data);
return (rc); if (rc != 0)
} return rc;
wp += 4; wp += 4;
cnt -= 4; cnt -= 4;
if (get_timer(start) > 1000) { /* every second */ if (get_timer(start) > 1000) { /* every second */
@ -608,9 +620,8 @@ static int write_buff8(flash_info_t *info, uchar *src, ulong addr, ulong cnt)
} }
} }
if (cnt == 0) { if (cnt == 0)
return (0); return 0;
}
/* /*
* handle unaligned tail bytes * handle unaligned tail bytes
@ -620,15 +631,16 @@ static int write_buff8(flash_info_t *info, uchar *src, ulong addr, ulong cnt)
data = (data << 8) | *src++; data = (data << 8) | *src++;
--cnt; --cnt;
} }
for (; i<4; ++i, ++cp) {
for (; i < 4; ++i, ++cp)
data = (data << 8) | (*(uchar *) cp); data = (data << 8) | (*(uchar *) cp);
}
return (write_word8(info, wp, data)); return write_word8(info, wp, data);
} /* end write_buff8() */ }
#define FLASH_WIDTH 4 /* flash bus width in bytes */ #define FLASH_WIDTH 4 /* flash bus width in bytes */
static int write_buff32 (flash_info_t *info, uchar *src, ulong addr, ulong cnt) static int write_buff32(flash_info_t *info, uchar *src, ulong addr,
ulong cnt)
{ {
ulong cp, wp, data; ulong cp, wp, data;
int i, l, rc; int i, l, rc;
@ -636,32 +648,33 @@ static int write_buff32 (flash_info_t *info, uchar *src, ulong addr, ulong cnt)
start = get_timer(0); start = get_timer(0);
if (info->flash_id == FLASH_UNKNOWN) { if (info->flash_id == FLASH_UNKNOWN)
return 4; return 4;
}
wp = (addr & ~(FLASH_WIDTH-1)); /* get lower FLASH_WIDTH aligned address */ /* get lower FLASH_WIDTH aligned address */
wp = (addr & ~(FLASH_WIDTH - 1));
/* /*
* handle unaligned start bytes * handle unaligned start bytes
*/ */
if ((l = addr - wp) != 0) { if ((l = addr - wp) != 0) {
data = 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); data = (data << 8) | (*(uchar *) cp);
}
for (; i < FLASH_WIDTH && cnt > 0; ++i) { for (; i < FLASH_WIDTH && cnt > 0; ++i) {
data = (data << 8) | *src++; data = (data << 8) | *src++;
--cnt; --cnt;
++cp; ++cp;
} }
for (; cnt==0 && i<FLASH_WIDTH; ++i, ++cp) {
for (; cnt == 0 && i < FLASH_WIDTH; ++i, ++cp)
data = (data << 8) | (*(uchar *) cp); data = (data << 8) | (*(uchar *) cp);
}
if ((rc = write_word32(info, wp, data)) != 0) { rc = write_word32(info, wp, data);
return (rc); if (rc != 0)
} return rc;
wp += FLASH_WIDTH; wp += FLASH_WIDTH;
} }
@ -670,12 +683,13 @@ static int write_buff32 (flash_info_t *info, uchar *src, ulong addr, ulong cnt)
*/ */
while (cnt >= FLASH_WIDTH) { while (cnt >= FLASH_WIDTH) {
data = 0; data = 0;
for (i=0; i<FLASH_WIDTH; ++i) { for (i = 0; i < FLASH_WIDTH; ++i)
data = (data << 8) | *src++; data = (data << 8) | *src++;
}
if ((rc = write_word32(info, wp, data)) != 0) { rc = write_word32(info, wp, data);
return (rc); if (rc != 0)
} return rc;
wp += FLASH_WIDTH; wp += FLASH_WIDTH;
cnt -= FLASH_WIDTH; cnt -= FLASH_WIDTH;
if (get_timer(start) > 990) { /* every second */ if (get_timer(start) > 990) { /* every second */
@ -684,9 +698,8 @@ static int write_buff32 (flash_info_t *info, uchar *src, ulong addr, ulong cnt)
} }
} }
if (cnt == 0) { if (cnt == 0)
return (0); return 0;
}
/* /*
* handle unaligned tail bytes * handle unaligned tail bytes
@ -696,12 +709,12 @@ static int write_buff32 (flash_info_t *info, uchar *src, ulong addr, ulong cnt)
data = (data << 8) | *src++; data = (data << 8) | *src++;
--cnt; --cnt;
} }
for (; i<FLASH_WIDTH; ++i, ++cp) {
for (; i < FLASH_WIDTH; ++i, ++cp)
data = (data << 8) | (*(uchar *) cp); data = (data << 8) | (*(uchar *) cp);
}
return (write_word32(info, wp, data)); return write_word32(info, wp, data);
} /* write_buff32() */ }
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)
{ {
@ -713,9 +726,9 @@ int write_buff(flash_info_t *info, uchar *src, ulong addr, ulong cnt)
retval = write_buff32(info, src, addr, cnt); retval = write_buff32(info, src, addr, cnt);
return retval; return retval;
} /* end write_buff() */ }
/*----------------------------------------------------------------------- /*
* Write a word to Flash, returns: * Write a word to Flash, returns:
* 0 - OK * 0 - OK
* 1 - write timeout * 1 - write timeout
@ -731,10 +744,8 @@ static int write_word8(flash_info_t *info, ulong dest, ulong data)
int i, tcode, rcode = 0; int i, tcode, rcode = 0;
/* Check if Flash is (sufficently) erased */ /* Check if Flash is (sufficently) erased */
if ((*((volatile uchar *)dest) & if ((*((volatile uchar *)dest) & (uchar)data) != (uchar)data)
(uchar)data) != (uchar)data) { return 2;
return (2);
}
for (i = 0; i < (4 / sizeof(uchar)); i++) { for (i = 0; i < (4 / sizeof(uchar)); i++) {
/* Disable interrupts which might cause a timeout here */ /* Disable interrupts which might cause a timeout here */
@ -754,13 +765,12 @@ static int write_word8(flash_info_t *info, ulong dest, ulong data)
enable_interrupts(); enable_interrupts();
/* Make sure we didn't timeout */ /* Make sure we didn't timeout */
if (tcode) { if (tcode)
rcode = 1; rcode = 1;
} }
}
return rcode; return rcode;
} /* end write_word8() */ }
static int write_word32(flash_info_t *info, ulong dest, ulong data) static int write_word32(flash_info_t *info, ulong dest, ulong data)
{ {
@ -770,9 +780,9 @@ static int write_word32(flash_info_t *info, ulong dest, ulong data)
int flag; int flag;
/* Check if Flash is (sufficiently) erased */ /* Check if Flash is (sufficiently) erased */
if ((*addr & data) != data) { if ((*addr & data) != data)
return (2); return 2;
}
/* Disable interrupts which might cause a timeout here */ /* Disable interrupts which might cause a timeout here */
flag = disable_interrupts(); flag = disable_interrupts();
@ -789,15 +799,14 @@ static int write_word32(flash_info_t *info, ulong dest, ulong data)
WATCHDOG_RESET(); WATCHDOG_RESET();
if (get_timer(start) > CONFIG_SYS_FLASH_WRITE_TOUT) { if (get_timer(start) > CONFIG_SYS_FLASH_WRITE_TOUT) {
*addr = 0x00FF00FF; /* restore read mode */ *addr = 0x00FF00FF; /* restore read mode */
return (1); return 1;
} }
} }
*addr = 0x00FF00FF; /* restore read mode */ *addr = 0x00FF00FF; /* restore read mode */
return (0); return 0;
} /* end write_word32() */ }
static int _flash_protect(flash_info_t *info, long sector) static int _flash_protect(flash_info_t *info, long sector)
{ {
@ -855,7 +864,7 @@ static int _flash_protect(flash_info_t *info, long sector)
} }
return rcode; return rcode;
} /* end _flash_protect() */ }
static int _flash_unprotect(flash_info_t *info, long sector) static int _flash_unprotect(flash_info_t *info, long sector)
{ {
@ -915,14 +924,12 @@ static int _flash_unprotect(flash_info_t *info, long sector)
if (_flash_protect(info, info->start[i])) if (_flash_protect(info, info->start[i]))
rcode = 1; rcode = 1;
} }
} } else /* Turn protection off for this sector */
else /* Turn protection off for this sector */
info->protect[i] = 0; info->protect[i] = 0;
} }
return rcode; return rcode;
} /* end _flash_unprotect() */ }
int flash_real_protect(flash_info_t *info, long sector, int prot) int flash_real_protect(flash_info_t *info, long sector, int prot)
{ {
@ -934,7 +941,4 @@ int flash_real_protect(flash_info_t *info, long sector, int prot)
rcode = _flash_unprotect(info, info->start[sector]); rcode = _flash_unprotect(info, info->start[sector]);
return rcode; return rcode;
} /* end flash_real_protect() */ }
/*-----------------------------------------------------------------------
*/

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