#include <common.h>
-ulong myflush(void);
+ulong myflush (void);
#define FLASH_BANK_SIZE PHYS_FLASH_SIZE
-#define MAIN_SECT_SIZE 0x10000 /* 64 KB */
+#define MAIN_SECT_SIZE 0x10000 /* 64 KB */
-flash_info_t flash_info[CFG_MAX_FLASH_BANKS];
+flash_info_t flash_info[CFG_MAX_FLASH_BANKS];
#define CMD_READ_ARRAY 0x000000F0
#define BIT_ERASE_DONE 0x00000080
#define BIT_RDY_MASK 0x00000080
#define BIT_PROGRAM_ERROR 0x00000020
-#define BIT_TIMEOUT 0x80000000 /* our flag */
+#define BIT_TIMEOUT 0x80000000 /* our flag */
#define READY 1
#define ERR 2
/*-----------------------------------------------------------------------
*/
-ulong flash_init(void)
+ulong flash_init (void)
{
- int i, j;
- ulong size = 0;
+ int i, j;
+ ulong size = 0;
- for (i = 0; i < CFG_MAX_FLASH_BANKS; i++)
- {
- ulong flashbase = 0;
- flash_info[i].flash_id =
+ for (i = 0; i < CFG_MAX_FLASH_BANKS; i++) {
+ ulong flashbase = 0;
+
+ flash_info[i].flash_id =
#if defined(CONFIG_AMD_LV400)
- (AMD_MANUFACT & FLASH_VENDMASK) |
- (AMD_ID_LV400B & FLASH_TYPEMASK);
+ (AMD_MANUFACT & FLASH_VENDMASK) |
+ (AMD_ID_LV400B & FLASH_TYPEMASK);
#elif defined(CONFIG_AMD_LV800)
- (AMD_MANUFACT & FLASH_VENDMASK) |
- (AMD_ID_LV800B & FLASH_TYPEMASK);
+ (AMD_MANUFACT & FLASH_VENDMASK) |
+ (AMD_ID_LV800B & FLASH_TYPEMASK);
#else
#error "Unknown flash configured"
#endif
- flash_info[i].size = FLASH_BANK_SIZE;
- flash_info[i].sector_count = CFG_MAX_FLASH_SECT;
- memset(flash_info[i].protect, 0, CFG_MAX_FLASH_SECT);
- if (i == 0)
- flashbase = PHYS_FLASH_1;
- else
- panic("configured too many flash banks!\n");
- for (j = 0; j < flash_info[i].sector_count; j++)
- {
- if (j <= 3)
- {
- /* 1st one is 16 KB */
- if (j == 0)
- {
- flash_info[i].start[j] = flashbase + 0;
- }
-
- /* 2nd and 3rd are both 8 KB */
- if ((j == 1) || (j == 2))
- {
- flash_info[i].start[j] = flashbase + 0x4000 + (j-1)*0x2000;
- }
-
- /* 4th 32 KB */
- if (j == 3)
- {
- flash_info[i].start[j] = flashbase + 0x8000;
+ flash_info[i].size = FLASH_BANK_SIZE;
+ flash_info[i].sector_count = CFG_MAX_FLASH_SECT;
+ memset (flash_info[i].protect, 0, CFG_MAX_FLASH_SECT);
+ if (i == 0)
+ flashbase = PHYS_FLASH_1;
+ else
+ panic ("configured too many flash banks!\n");
+ for (j = 0; j < flash_info[i].sector_count; j++) {
+ if (j <= 3) {
+ /* 1st one is 16 KB */
+ if (j == 0) {
+ flash_info[i].start[j] =
+ flashbase + 0;
+ }
+
+ /* 2nd and 3rd are both 8 KB */
+ if ((j == 1) || (j == 2)) {
+ flash_info[i].start[j] =
+ flashbase + 0x4000 + (j -
+ 1) *
+ 0x2000;
+ }
+
+ /* 4th 32 KB */
+ if (j == 3) {
+ flash_info[i].start[j] =
+ flashbase + 0x8000;
+ }
+ } else {
+ flash_info[i].start[j] =
+ flashbase + (j - 3) * MAIN_SECT_SIZE;
+ }
}
- }
- else
- {
- flash_info[i].start[j] = flashbase + (j - 3)*MAIN_SECT_SIZE;
- }
+ size += flash_info[i].size;
}
- size += flash_info[i].size;
- }
- flash_protect(FLAG_PROTECT_SET,
- CFG_FLASH_BASE,
- CFG_FLASH_BASE + monitor_flash_len - 1,
- &flash_info[0]);
+ flash_protect (FLAG_PROTECT_SET,
+ CFG_FLASH_BASE,
+ CFG_FLASH_BASE + monitor_flash_len - 1,
+ &flash_info[0]);
- flash_protect(FLAG_PROTECT_SET,
- CFG_ENV_ADDR,
- CFG_ENV_ADDR + CFG_ENV_SIZE - 1,
- &flash_info[0]);
+ flash_protect (FLAG_PROTECT_SET,
+ CFG_ENV_ADDR,
+ CFG_ENV_ADDR + CFG_ENV_SIZE - 1, &flash_info[0]);
- return size;
+ return size;
}
/*-----------------------------------------------------------------------
*/
-void flash_print_info (flash_info_t *info)
+void flash_print_info (flash_info_t * info)
{
- int i;
-
- switch (info->flash_id & FLASH_VENDMASK)
- {
- case (AMD_MANUFACT & FLASH_VENDMASK):
- puts("AMD: ");
- break;
- default:
- puts("Unknown Vendor ");
- break;
- }
-
- switch (info->flash_id & FLASH_TYPEMASK)
- {
- case (AMD_ID_LV400B & FLASH_TYPEMASK):
- puts("1x Amd29LV400BB (4Mbit)\n");
- break;
- case (AMD_ID_LV800B & FLASH_TYPEMASK):
- puts("1x Amd29LV800BB (8Mbit)\n");
- break;
- default:
- puts("Unknown Chip Type\n");
- goto Done;
- break;
- }
-
- printf(" Size: %ld MB in %d Sectors\n",
- info->size >> 20, info->sector_count);
-
- puts(" Sector Start Addresses:");
- for (i = 0; i < info->sector_count; i++)
- {
- if ((i % 5) == 0)
- {
- puts("\n ");
+ int i;
+
+ switch (info->flash_id & FLASH_VENDMASK) {
+ case (AMD_MANUFACT & FLASH_VENDMASK):
+ puts ("AMD: ");
+ break;
+ default:
+ puts ("Unknown Vendor ");
+ break;
}
- printf (" %08lX%s", info->start[i],
- info->protect[i] ? " (RO)" : " ");
- }
- puts("\n");
-Done:
+ switch (info->flash_id & FLASH_TYPEMASK) {
+ case (AMD_ID_LV400B & FLASH_TYPEMASK):
+ puts ("1x Amd29LV400BB (4Mbit)\n");
+ break;
+ case (AMD_ID_LV800B & FLASH_TYPEMASK):
+ puts ("1x Amd29LV800BB (8Mbit)\n");
+ break;
+ default:
+ puts ("Unknown Chip Type\n");
+ goto Done;
+ break;
+ }
+
+ printf (" Size: %ld MB in %d Sectors\n",
+ info->size >> 20, info->sector_count);
+
+ puts (" Sector Start Addresses:");
+ for (i = 0; i < info->sector_count; i++) {
+ if ((i % 5) == 0) {
+ puts ("\n ");
+ }
+ printf (" %08lX%s", info->start[i],
+ info->protect[i] ? " (RO)" : " ");
+ }
+ puts ("\n");
+
+Done: ;
}
/*-----------------------------------------------------------------------
*/
-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)
{
- ushort result;
- int iflag, cflag, prot, sect;
- int rc = ERR_OK;
- int chip;
-
- /* first look for protection bits */
+ ushort result;
+ int iflag, cflag, prot, sect;
+ int rc = ERR_OK;
+ int chip;
- if (info->flash_id == FLASH_UNKNOWN)
- return ERR_UNKNOWN_FLASH_TYPE;
+ /* first look for protection bits */
- if ((s_first < 0) || (s_first > s_last)) {
- return ERR_INVAL;
- }
+ if (info->flash_id == FLASH_UNKNOWN)
+ return ERR_UNKNOWN_FLASH_TYPE;
- if ((info->flash_id & FLASH_VENDMASK) !=
- (AMD_MANUFACT & FLASH_VENDMASK)) {
- return ERR_UNKNOWN_FLASH_VENDOR;
- }
-
- prot = 0;
- for (sect=s_first; sect<=s_last; ++sect) {
- if (info->protect[sect]) {
- prot++;
+ if ((s_first < 0) || (s_first > s_last)) {
+ return ERR_INVAL;
}
- }
- if (prot)
- return ERR_PROTECTED;
-
- /*
- * Disable interrupts which might cause a timeout
- * here. Remember that our exception vectors are
- * at address 0 in the flash, and we don't want a
- * (ticker) exception to happen while the flash
- * chip is in programming mode.
- */
- cflag = icache_status();
- icache_disable();
- iflag = disable_interrupts();
-
- /* Start erase on unprotected sectors */
- for (sect = s_first; sect<=s_last && !ctrlc(); sect++)
- {
- printf("Erasing sector %2d ... ", sect);
-
- /* arm simple, non interrupt dependent timer */
- reset_timer_masked();
-
- if (info->protect[sect] == 0)
- { /* not protected */
- vu_short *addr = (vu_short *)(info->start[sect]);
-
- MEM_FLASH_ADDR1 = CMD_UNLOCK1;
- MEM_FLASH_ADDR2 = CMD_UNLOCK2;
- MEM_FLASH_ADDR1 = CMD_ERASE_SETUP;
-
- MEM_FLASH_ADDR1 = CMD_UNLOCK1;
- MEM_FLASH_ADDR2 = CMD_UNLOCK2;
- *addr = CMD_ERASE_CONFIRM;
-
- /* wait until flash is ready */
- chip = 0;
- do
- {
- result = *addr;
+ if ((info->flash_id & FLASH_VENDMASK) !=
+ (AMD_MANUFACT & FLASH_VENDMASK)) {
+ return ERR_UNKNOWN_FLASH_VENDOR;
+ }
- /* check timeout */
- if (get_timer_masked() > CFG_FLASH_ERASE_TOUT)
- {
- MEM_FLASH_ADDR1 = CMD_READ_ARRAY;
- chip = TMO;
- break;
+ prot = 0;
+ for (sect = s_first; sect <= s_last; ++sect) {
+ if (info->protect[sect]) {
+ prot++;
}
-
- if (!chip && (result & 0xFFFF) & BIT_ERASE_DONE)
- chip = READY;
-
- if (!chip && (result & 0xFFFF) & BIT_PROGRAM_ERROR)
- chip = ERR;
-
- } while (!chip);
-
- MEM_FLASH_ADDR1 = CMD_READ_ARRAY;
-
- if (chip == ERR)
- {
- rc = ERR_PROG_ERROR;
- goto outahere;
- }
- if (chip == TMO)
- {
- rc = ERR_TIMOUT;
- goto outahere;
- }
-
- puts("ok.\n");
}
- else /* it was protected */
- {
- puts("protected!\n");
+ if (prot)
+ return ERR_PROTECTED;
+
+ /*
+ * Disable interrupts which might cause a timeout
+ * here. Remember that our exception vectors are
+ * at address 0 in the flash, and we don't want a
+ * (ticker) exception to happen while the flash
+ * chip is in programming mode.
+ */
+ cflag = icache_status ();
+ icache_disable ();
+ iflag = disable_interrupts ();
+
+ /* Start erase on unprotected sectors */
+ for (sect = s_first; sect <= s_last && !ctrlc (); sect++) {
+ printf ("Erasing sector %2d ... ", sect);
+
+ /* arm simple, non interrupt dependent timer */
+ reset_timer_masked ();
+
+ if (info->protect[sect] == 0) { /* not protected */
+ vu_short *addr = (vu_short *) (info->start[sect]);
+
+ MEM_FLASH_ADDR1 = CMD_UNLOCK1;
+ MEM_FLASH_ADDR2 = CMD_UNLOCK2;
+ MEM_FLASH_ADDR1 = CMD_ERASE_SETUP;
+
+ MEM_FLASH_ADDR1 = CMD_UNLOCK1;
+ MEM_FLASH_ADDR2 = CMD_UNLOCK2;
+ *addr = CMD_ERASE_CONFIRM;
+
+ /* wait until flash is ready */
+ chip = 0;
+
+ do {
+ result = *addr;
+
+ /* check timeout */
+ if (get_timer_masked () >
+ CFG_FLASH_ERASE_TOUT) {
+ MEM_FLASH_ADDR1 = CMD_READ_ARRAY;
+ chip = TMO;
+ break;
+ }
+
+ if (!chip
+ && (result & 0xFFFF) & BIT_ERASE_DONE)
+ chip = READY;
+
+ if (!chip
+ && (result & 0xFFFF) & BIT_PROGRAM_ERROR)
+ chip = ERR;
+
+ } while (!chip);
+
+ MEM_FLASH_ADDR1 = CMD_READ_ARRAY;
+
+ if (chip == ERR) {
+ rc = ERR_PROG_ERROR;
+ goto outahere;
+ }
+ if (chip == TMO) {
+ rc = ERR_TIMOUT;
+ goto outahere;
+ }
+
+ puts ("ok.\n");
+ } else { /* it was protected */
+
+ puts ("protected!\n");
+ }
}
- }
- if (ctrlc())
- puts("User Interrupt!\n");
+ if (ctrlc ())
+ puts ("User Interrupt!\n");
-outahere:
- /* allow flash to settle - wait 10 ms */
- udelay_masked(10000);
+ outahere:
+ /* allow flash to settle - wait 10 ms */
+ udelay_masked (10000);
- if (iflag)
- enable_interrupts();
+ if (iflag)
+ enable_interrupts ();
- if (cflag)
- icache_enable();
+ if (cflag)
+ icache_enable ();
- return rc;
+ return rc;
}
/*-----------------------------------------------------------------------
* Copy memory to flash
*/
-volatile static int write_hword (flash_info_t *info, ulong dest, ushort data)
+volatile static int write_hword (flash_info_t * info, ulong dest, ushort data)
{
- vu_short *addr = (vu_short *)dest;
- ushort result;
- int rc = ERR_OK;
- int cflag, iflag;
- int chip;
-
- /*
- * Check if Flash is (sufficiently) erased
- */
- result = *addr;
- if ((result & data) != data)
- return ERR_NOT_ERASED;
-
-
- /*
- * Disable interrupts which might cause a timeout
- * here. Remember that our exception vectors are
- * at address 0 in the flash, and we don't want a
- * (ticker) exception to happen while the flash
- * chip is in programming mode.
- */
- cflag = icache_status();
- icache_disable();
- iflag = disable_interrupts();
-
- MEM_FLASH_ADDR1 = CMD_UNLOCK1;
- MEM_FLASH_ADDR2 = CMD_UNLOCK2;
- MEM_FLASH_ADDR1 = CMD_PROGRAM;
- *addr = data;
-
- /* arm simple, non interrupt dependent timer */
- reset_timer_masked();
-
- /* wait until flash is ready */
- chip = 0;
- do
- {
+ vu_short *addr = (vu_short *) dest;
+ ushort result;
+ int rc = ERR_OK;
+ int cflag, iflag;
+ int chip;
+
+ /*
+ * Check if Flash is (sufficiently) erased
+ */
result = *addr;
+ if ((result & data) != data)
+ return ERR_NOT_ERASED;
+
+
+ /*
+ * Disable interrupts which might cause a timeout
+ * here. Remember that our exception vectors are
+ * at address 0 in the flash, and we don't want a
+ * (ticker) exception to happen while the flash
+ * chip is in programming mode.
+ */
+ cflag = icache_status ();
+ icache_disable ();
+ iflag = disable_interrupts ();
+
+ MEM_FLASH_ADDR1 = CMD_UNLOCK1;
+ MEM_FLASH_ADDR2 = CMD_UNLOCK2;
+ MEM_FLASH_ADDR1 = CMD_PROGRAM;
+ *addr = data;
- /* check timeout */
- if (get_timer_masked() > CFG_FLASH_ERASE_TOUT)
- {
- chip = ERR | TMO;
- break;
- }
- if (!chip && ((result & 0x80) == (data & 0x80)))
- chip = READY;
+ /* arm simple, non interrupt dependent timer */
+ reset_timer_masked ();
- if (!chip && ((result & 0xFFFF) & BIT_PROGRAM_ERROR))
- {
+ /* wait until flash is ready */
+ chip = 0;
+ do {
result = *addr;
- if ((result & 0x80) == (data & 0x80))
+ /* check timeout */
+ if (get_timer_masked () > CFG_FLASH_ERASE_TOUT) {
+ chip = ERR | TMO;
+ break;
+ }
+ if (!chip && ((result & 0x80) == (data & 0x80)))
chip = READY;
- else
- chip = ERR;
- }
- } while (!chip);
+ if (!chip && ((result & 0xFFFF) & BIT_PROGRAM_ERROR)) {
+ result = *addr;
+
+ if ((result & 0x80) == (data & 0x80))
+ chip = READY;
+ else
+ chip = ERR;
+ }
+
+ } while (!chip);
- *addr = CMD_READ_ARRAY;
+ *addr = CMD_READ_ARRAY;
- if (chip == ERR || *addr != data)
- rc = ERR_PROG_ERROR;
+ if (chip == ERR || *addr != data)
+ rc = ERR_PROG_ERROR;
- if (iflag)
- enable_interrupts();
+ if (iflag)
+ enable_interrupts ();
- if (cflag)
- icache_enable();
+ if (cflag)
+ icache_enable ();
- return rc;
+ return rc;
}
/*-----------------------------------------------------------------------
* Copy memory to flash.
*/
-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;
- int l;
- int i, rc;
- ushort data;
-
- wp = (addr & ~1); /* get lower word aligned address */
+ ulong cp, wp;
+ int l;
+ int i, rc;
+ ushort data;
+
+ wp = (addr & ~1); /* get lower word aligned address */
+
+ /*
+ * handle unaligned start bytes
+ */
+ if ((l = addr - wp) != 0) {
+ data = 0;
+ for (i = 0, cp = wp; i < l; ++i, ++cp) {
+ data = (data >> 8) | (*(uchar *) cp << 8);
+ }
+ for (; i < 2 && cnt > 0; ++i) {
+ data = (data >> 8) | (*src++ << 8);
+ --cnt;
+ ++cp;
+ }
+ for (; cnt == 0 && i < 2; ++i, ++cp) {
+ data = (data >> 8) | (*(uchar *) cp << 8);
+ }
- /*
- * handle unaligned start bytes
- */
- if ((l = addr - wp) != 0) {
- data = 0;
- for (i=0, cp=wp; i<l; ++i, ++cp) {
- data = (data >> 8) | (*(uchar *)cp << 8);
+ if ((rc = write_hword (info, wp, data)) != 0) {
+ return (rc);
+ }
+ wp += 2;
}
- for (; i<2 && cnt>0; ++i) {
- data = (data >> 8) | (*src++ << 8);
- --cnt;
- ++cp;
+
+ /*
+ * handle word aligned part
+ */
+ while (cnt >= 2) {
+ data = *((vu_short *) src);
+ if ((rc = write_hword (info, wp, data)) != 0) {
+ return (rc);
+ }
+ src += 2;
+ wp += 2;
+ cnt -= 2;
}
- for (; cnt==0 && i<2; ++i, ++cp) {
- data = (data >> 8) | (*(uchar *)cp << 8);
+
+ if (cnt == 0) {
+ return ERR_OK;
}
- if ((rc = write_hword(info, wp, data)) != 0) {
- return (rc);
+ /*
+ * handle unaligned tail bytes
+ */
+ data = 0;
+ for (i = 0, cp = wp; i < 2 && cnt > 0; ++i, ++cp) {
+ data = (data >> 8) | (*src++ << 8);
+ --cnt;
}
- wp += 2;
- }
-
- /*
- * handle word aligned part
- */
- while (cnt >= 2) {
- data = *((vu_short*)src);
- if ((rc = write_hword(info, wp, data)) != 0) {
- return (rc);
+ for (; i < 2; ++i, ++cp) {
+ data = (data >> 8) | (*(uchar *) cp << 8);
}
- src += 2;
- wp += 2;
- cnt -= 2;
- }
-
- if (cnt == 0) {
- return ERR_OK;
- }
-
- /*
- * handle unaligned tail bytes
- */
- data = 0;
- for (i=0, cp=wp; i<2 && cnt>0; ++i, ++cp) {
- data = (data >> 8) | (*src++ << 8);
- --cnt;
- }
- for (; i<2; ++i, ++cp) {
- data = (data >> 8) | (*(uchar *)cp << 8);
- }
-
- return write_hword(info, wp, data);
+
+ return write_hword (info, wp, data);
}
projects / karo-tx-uboot.git / blobdiff