#include <common.h>
-flash_info_t flash_info[CFG_MAX_FLASH_BANKS]; /* info for FLASH chips */
-
-/*
- * CPU to flash interface is 32-bit, so make declaration accordingly
- */
-typedef unsigned short FLASH_PORT_WIDTH;
-typedef volatile unsigned short FLASH_PORT_WIDTHV;
+#ifndef CFG_ENV_ADDR
+#define CFG_ENV_ADDR (CFG_FLASH_BASE + CFG_ENV_OFFSET)
+#endif
-#define FPW FLASH_PORT_WIDTH
-#define FPWV FLASH_PORT_WIDTHV
+flash_info_t flash_info[CFG_MAX_FLASH_BANKS]; /* info for FLASH chips */
#define FLASH_CYCLE1 0x0555
#define FLASH_CYCLE2 0x02AA
/*-----------------------------------------------------------------------
* Functions
*/
-static ulong flash_get_size(FPWV *addr, flash_info_t *info);
+static ulong flash_get_size(vu_short *addr, flash_info_t *info);
static void flash_reset(flash_info_t *info);
-static int write_word_amd(flash_info_t *info, FPWV *dest, FPW data);
+static int write_word_amd(flash_info_t *info, vu_short *dest, ushort data);
static flash_info_t *flash_get_info(ulong base);
/*-----------------------------------------------------------------------
/* Init: no FLASHes known */
memset(&flash_info[0], 0, sizeof(flash_info_t));
- flash_info[0].size =
- flash_get_size((FPW *)flashbase, &flash_info[0]);
+ flash_info[0].size = flash_get_size((vu_short *)flashbase, &flash_info[0]);
size = flash_info[0].size;
flash_get_info(CFG_MONITOR_BASE));
#endif
-#ifdef CFG_ENV_IS_IN_FLASH
+#ifdef CONFIG_ENV_IS_IN_FLASH
/* ENV protection ON by default */
flash_protect(FLAG_PROTECT_SET,
CFG_ENV_ADDR,
*/
static void flash_reset(flash_info_t *info)
{
- FPWV *base = (FPWV *)(info->start[0]);
+ vu_short *base = (vu_short *)(info->start[0]);
/* Put FLASH back in read mode */
if ((info->flash_id & FLASH_VENDMASK) == FLASH_MAN_INTEL)
- *base = (FPW)0x00FF; /* Intel Read Mode */
+ *base = 0x00FF; /* Intel Read Mode */
else if ((info->flash_id & FLASH_VENDMASK) == FLASH_MAN_AMD)
- *base = (FPW)0x00F0; /* AMD Read Mode */
+ *base = 0x00F0; /* AMD Read Mode */
}
/*-----------------------------------------------------------------------
* The following code cannot be run from FLASH!
*/
-ulong flash_get_size (FPWV *addr, flash_info_t *info)
+ulong flash_get_size (vu_short *addr, flash_info_t *info)
{
int i;
+ ushort value;
ulong base = (ulong)addr;
- /* Write auto select command: read Manufacturer ID */
- /* Write auto select command sequence and test FLASH answer */
- addr[FLASH_CYCLE1] = (FPW)0x00AA; /* for AMD, Intel ignores this */
- addr[FLASH_CYCLE2] = (FPW)0x0055; /* for AMD, Intel ignores this */
- addr[FLASH_CYCLE1] = (FPW)0x0090; /* selects Intel or AMD */
+ /* Write auto select command sequence */
+ addr[FLASH_CYCLE1] = 0x00AA; /* for AMD, Intel ignores this */
+ addr[FLASH_CYCLE2] = 0x0055; /* for AMD, Intel ignores this */
+ addr[FLASH_CYCLE1] = 0x0090; /* selects Intel or AMD */
- /* The manufacturer codes are only 1 byte, so just use 1 byte.
- * This works for any bus width and any FLASH device width.
- */
+ /* read Manufacturer ID */
udelay(100);
- switch (addr[0] & 0xff) {
+ value = addr[0];
+ debug ("Manufacturer ID: %04X\n", value);
+
+ switch (value) {
- case (uchar)AMD_MANUFACT:
- printf ("Manufacturer: AMD (Spansion)\n");
+ case (AMD_MANUFACT & 0xFFFF):
+ debug ("Manufacturer: AMD (Spansion)\n");
info->flash_id = FLASH_MAN_AMD;
break;
- case (uchar)INTEL_MANUFACT:
- printf ("Manufacturer: Intel (not supported yet)\n");
+ case (INTEL_MANUFACT & 0xFFFF):
+ debug ("Manufacturer: Intel (not supported yet)\n");
info->flash_id = FLASH_MAN_INTEL;
break;
default:
+ printf ("Unknown Manufacturer ID: %04X\n", value);
info->flash_id = FLASH_UNKNOWN;
info->sector_count = 0;
info->size = 0;
- break;
+ goto out;
}
- /* Check 16 bits or 32 bits of ID so work on 32 or 16 bit bus. */
- if (info->flash_id != FLASH_UNKNOWN) switch ((FPW)addr[1]) {
+ value = addr[1];
+ debug ("Device ID: %04X\n", value);
+
+ switch (addr[1]) {
- case AMD_ID_MIRROR:
- printf ("Mirror Bit flash: addr[14] = %08X addr[15] = %08X\n",
+ case (AMD_ID_MIRROR & 0xFFFF):
+ debug ("Mirror Bit flash: addr[14] = %08X addr[15] = %08X\n",
addr[14], addr[15]);
- switch(addr[14] & 0xffff) {
- case (AMD_ID_GL064M_2 & 0xffff):
+ switch(addr[14]) {
+ case (AMD_ID_GL064M_2 & 0xFFFF):
if (addr[15] != (AMD_ID_GL064M_3 & 0xffff)) {
printf ("Chip: S29GLxxxM -> unknown\n");
info->flash_id = FLASH_UNKNOWN;
info->sector_count = 0;
info->size = 0;
} else {
- printf ("Chip: S29GL064M-R6\n");
+ debug ("Chip: S29GL064M-R6\n");
info->flash_id += FLASH_S29GL064M;
info->sector_count = 128;
info->size = 0x00800000;
break;
default:
+ printf ("Unknown Device ID: %04X\n", value);
info->flash_id = FLASH_UNKNOWN;
info->sector_count = 0;
info->size = 0;
+ break;
}
+out:
/* Put FLASH back in read mode */
flash_reset(info);
int flash_erase (flash_info_t *info, int s_first, int s_last)
{
- FPWV *addr = (FPWV *)(info->start[0]);
+ vu_short *addr = (vu_short *)(info->start[0]);
int flag, prot, sect, ssect, l_sect;
- ulong start, now, last;
+ ulong now, last;
- printf ("flash_erase: first: %d last: %d\n", s_first, s_last);
+ debug ("flash_erase: first: %d last: %d\n", s_first, s_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");
- }
+ }
return 1;
- }
+ }
if ((info->flash_id == FLASH_UNKNOWN) ||
(info->flash_id > FLASH_AMD_COMP)) {
if ((sect + ssect) > s_last)
break;
if (info->protect[sect + ssect] == 0) { /* not protected */
- addr = (FPWV *)(info->start[sect + ssect]);
+ addr = (vu_short *)(info->start[sect + ssect]);
addr[0] = 0x0030;
l_sect = sect + ssect;
}
if (l_sect < 0)
goto DONE;
- start = get_timer (0);
- last = start;
- addr = (FPWV *)(info->start[l_sect]);
+ reset_timer_masked ();
+ last = 0;
+ addr = (vu_short *)(info->start[l_sect]);
while ((addr[0] & 0x0080) != 0x0080) {
- if ((now = get_timer(start)) > CFG_FLASH_ERASE_TOUT) {
+ if ((now = get_timer_masked ()) > CFG_FLASH_ERASE_TOUT) {
printf ("Timeout\n");
return 1;
}
last = now;
}
}
- addr = (FPWV *)info->start[0];
+ addr = (vu_short *)info->start[0];
addr[0] = 0x00F0; /* reset bank */
sect += ssect;
}
DONE:
/* reset to read mode */
- addr = (FPWV *)info->start[0];
+ addr = (vu_short *)info->start[0];
addr[0] = 0x00F0; /* reset bank */
printf (" done\n");
wp = addr;
while (cnt >= 2) {
- data = *((FPWV *)src);
- if ((rc = write_word_amd(info, (FPW *)wp, data)) != 0) {
+ data = *((vu_short *)src);
+ if ((rc = write_word_amd(info, (vu_short *)wp, data)) != 0) {
+printf ("write_buff 1: write_word_amd() rc=%d\n", rc);
return (rc);
}
src += 2;
}
if (cnt == 0) {
- return (0);
+ return (ERR_OK);
}
if (cnt == 1) {
- data = (*((volatile u8 *) src)) | (*((volatile u8 *) (wp + 1))
- << 8);
- if ((rc = write_word_amd(info, (FPW *)wp, data)) != 0) {
+ data = (*((volatile u8 *) src)) | (*((volatile u8 *) (wp + 1)) << 8);
+ if ((rc = write_word_amd(info, (vu_short *)wp, data)) != 0) {
+printf ("write_buff 1: write_word_amd() rc=%d\n", rc);
return (rc);
}
src += 1;
* 1 - write timeout
* 2 - Flash not erased
*/
-static int write_word_amd (flash_info_t *info, FPWV *dest, FPW data)
+static int write_word_amd (flash_info_t *info, vu_short *dest, ushort data)
{
- ulong start;
int flag;
- FPWV *base; /* first address in flash bank */
+ vu_short *base; /* first address in flash bank */
/* Check if Flash is (sufficiently) erased */
if ((*dest & data) != data) {
return (2);
}
- base = (FPWV *)(info->start[0]);
+ base = (vu_short *)(info->start[0]);
/* Disable interrupts which might cause a timeout here */
flag = disable_interrupts();
- base[FLASH_CYCLE1] = (FPW)0x00AA; /* unlock */
- base[FLASH_CYCLE2] = (FPW)0x0055; /* unlock */
- base[FLASH_CYCLE1] = (FPW)0x00A0; /* selects program mode */
+ base[FLASH_CYCLE1] = 0x00AA; /* unlock */
+ base[FLASH_CYCLE2] = 0x0055; /* unlock */
+ base[FLASH_CYCLE1] = 0x00A0; /* selects program mode */
*dest = data; /* start programming the data */
if (flag)
enable_interrupts();
- start = get_timer (0);
+ reset_timer_masked ();
/* data polling for D7 */
- while ((*dest & (FPW)0x0080) != (data & (FPW)0x0080)) {
- if (get_timer(start) > CFG_FLASH_WRITE_TOUT) {
- *dest = (FPW)0x00F0; /* reset bank */
+ while ((*dest & 0x0080) != (data & 0x0080)) {
+ if (get_timer_masked () > CFG_FLASH_WRITE_TOUT) {
+ *dest = 0x00F0; /* reset bank */
return (1);
}
}
projects / platform / kernel / u-boot.git / blobdiff