ulong myflush(void);
-#define FLASH_BANK_SIZE 0x200000 /* 2 MB */
-#define MAIN_SECT_SIZE 0x10000 /* 64 KB */
+/* Flash Organization Structure */
+typedef struct OrgDef
+{
+ unsigned int sector_number;
+ unsigned int sector_size;
+} OrgDef;
+
+
+/* Flash Organizations */
+OrgDef OrgAT49BV16x4[] =
+{
+ { 8, 8*1024 }, /* 8 * 8 kBytes sectors */
+ { 2, 32*1024 }, /* 2 * 32 kBytes sectors */
+ { 30, 64*1024 }, /* 30 * 64 kBytes sectors */
+};
+
+OrgDef OrgAT49BV16x4A[] =
+{
+ { 8, 8*1024 }, /* 8 * 8 kBytes sectors */
+ { 31, 64*1024 }, /* 31 * 64 kBytes sectors */
+};
+
+OrgDef OrgAT49BV6416[] =
+{
+ { 8, 8*1024 }, /* 8 * 8 kBytes sectors */
+ { 127, 64*1024 }, /* 127 * 64 kBytes sectors */
+};
flash_info_t flash_info[CFG_MAX_FLASH_BANKS];
+/* AT49BV1614A Codes */
+#define FLASH_CODE1 0xAA
+#define FLASH_CODE2 0x55
+#define ID_IN_CODE 0x90
+#define ID_OUT_CODE 0xF0
+
#define CMD_READ_ARRAY 0x00F0
#define CMD_UNLOCK1 0x00AA
#define CMD_ERASE_CONFIRM 0x0030
#define CMD_PROGRAM 0x00A0
#define CMD_UNLOCK_BYPASS 0x0020
+#define CMD_SECTOR_UNLOCK 0x0070
#define MEM_FLASH_ADDR1 (*(volatile u16 *)(CFG_FLASH_BASE + (0x00005555<<1)))
#define MEM_FLASH_ADDR2 (*(volatile u16 *)(CFG_FLASH_BASE + (0x00002AAA<<1)))
/*-----------------------------------------------------------------------
*/
-
-ulong flash_init(void)
+void flash_identification (flash_info_t * info)
{
- int i, j;
- ulong size = 0;
-
- for (i = 0; i < CFG_MAX_FLASH_BANKS; i++)
- {
- ulong flashbase = 0;
- flash_info[i].flash_id =
- (ATM_MANUFACT & FLASH_VENDMASK) |
- (ATM_ID_BV1614 & FLASH_TYPEMASK);
- 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 to many flash banks!\n");
- for (j = 0; j < flash_info[i].sector_count; j++)
- {
-
- if (j <= 9)
- {
- /* 1st to 8th are 8 KB */
- if (j <= 7)
- {
- flash_info[i].start[j] = flashbase + j*0x2000;
- }
+ volatile u16 manuf_code, device_code, add_device_code;
+
+ MEM_FLASH_ADDR1 = FLASH_CODE1;
+ MEM_FLASH_ADDR2 = FLASH_CODE2;
+ MEM_FLASH_ADDR1 = ID_IN_CODE;
+
+ manuf_code = *(volatile u16 *) CFG_FLASH_BASE;
+ device_code = *(volatile u16 *) (CFG_FLASH_BASE + 2);
+ add_device_code = *(volatile u16 *) (CFG_FLASH_BASE + (3 << 1));
+
+ MEM_FLASH_ADDR1 = FLASH_CODE1;
+ MEM_FLASH_ADDR2 = FLASH_CODE2;
+ MEM_FLASH_ADDR1 = ID_OUT_CODE;
+
+ /* Vendor type */
+ info->flash_id = ATM_MANUFACT & FLASH_VENDMASK;
+ printf ("Atmel: ");
- /* 9th and 10th are both 32 KB */
- if ((j == 8) || (j == 9))
- {
- flash_info[i].start[j] = flashbase + 0x10000 + (j-8)*0x8000;
+ if ((device_code & FLASH_TYPEMASK) == (ATM_ID_BV1614 & FLASH_TYPEMASK)) {
+
+ if ((add_device_code & FLASH_TYPEMASK) ==
+ (ATM_ID_BV1614A & FLASH_TYPEMASK)) {
+ info->flash_id |= ATM_ID_BV1614A & FLASH_TYPEMASK;
+ printf ("AT49BV1614A (16Mbit)\n");
+ } else { /* AT49BV1614 Flash */
+ info->flash_id |= ATM_ID_BV1614 & FLASH_TYPEMASK;
+ printf ("AT49BV1614 (16Mbit)\n");
}
- }
- else
- {
- flash_info[i].start[j] = flashbase + (j-8)*MAIN_SECT_SIZE;
- }
+
+ } else if ((device_code & FLASH_TYPEMASK) == (ATM_ID_BV6416 & FLASH_TYPEMASK)) {
+ info->flash_id |= ATM_ID_BV6416 & FLASH_TYPEMASK;
+ printf ("AT49BV6416 (64Mbit)\n");
}
- size += flash_info[i].size;
- }
+}
- flash_protect(FLAG_PROTECT_SET,
- CFG_FLASH_BASE,
- CFG_ENV_ADDR - 1,
- &flash_info[0]);
+ushort flash_number_sector(OrgDef *pOrgDef, unsigned int nb_blocks)
+{
+ int i, nb_sectors = 0;
- flash_protect(FLAG_PROTECT_SET,
- CFG_ENV_ADDR,
- CFG_ENV_ADDR + CFG_ENV_SIZE - 1,
- &flash_info[0]);
+ for (i=0; i<nb_blocks; i++){
+ nb_sectors += pOrgDef[i].sector_number;
+ }
- return size;
+ return nb_sectors;
}
-/*-----------------------------------------------------------------------
- */
-void flash_print_info (flash_info_t *info)
+void flash_unlock_sector(flash_info_t * info, unsigned int sector)
{
- int i;
-
- switch (info->flash_id & FLASH_VENDMASK)
- {
- case (ATM_MANUFACT & FLASH_VENDMASK):
- printf("Atmel: ");
- break;
- default:
- printf("Unknown Vendor ");
- break;
- }
-
- switch (info->flash_id & FLASH_TYPEMASK)
- {
- case (ATM_ID_BV1614 & FLASH_TYPEMASK):
- printf("AT49BV1614 (16Mbit)\n");
- break;
- default:
- printf("Unknown Chip Type\n");
- goto Done;
- break;
- }
-
- 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++)
- {
- if ((i % 5) == 0)
- {
- printf ("\n ");
- }
- printf (" %08lX%s", info->start[i],
- info->protect[i] ? " (RO)" : " ");
- }
- printf ("\n");
+ volatile u16 *addr = (volatile u16 *) (info->start[sector]);
-Done:
+ MEM_FLASH_ADDR1 = CMD_UNLOCK1;
+ *addr = CMD_SECTOR_UNLOCK;
}
-/*-----------------------------------------------------------------------
- */
-int flash_erase (flash_info_t *info, int s_first, int s_last)
+ulong flash_init (void)
{
- ulong result;
- int iflag, cflag, prot, sect;
- int rc = ERR_OK;
- int chip1;
+ int i, j, k;
+ unsigned int flash_nb_blocks, sector;
+ unsigned int start_address;
+ OrgDef *pOrgDef;
+
+ ulong size = 0;
+
+ for (i = 0; i < CFG_MAX_FLASH_BANKS; i++) {
+ ulong flashbase = 0;
+
+ flash_identification (&flash_info[i]);
- /* first look for protection bits */
+ if ((flash_info[i].flash_id & FLASH_TYPEMASK) ==
+ (ATM_ID_BV1614 & FLASH_TYPEMASK)) {
- if (info->flash_id == FLASH_UNKNOWN)
- return ERR_UNKNOWN_FLASH_TYPE;
+ pOrgDef = OrgAT49BV16x4;
+ flash_nb_blocks = sizeof (OrgAT49BV16x4) / sizeof (OrgDef);
+ } else if ((flash_info[i].flash_id & FLASH_TYPEMASK) ==
+ (ATM_ID_BV1614A & FLASH_TYPEMASK)){ /* AT49BV1614A Flash */
- if ((s_first < 0) || (s_first > s_last)) {
- return ERR_INVAL;
- }
+ pOrgDef = OrgAT49BV16x4A;
+ flash_nb_blocks = sizeof (OrgAT49BV16x4A) / sizeof (OrgDef);
+ } else if ((flash_info[i].flash_id & FLASH_TYPEMASK) ==
+ (ATM_ID_BV6416 & FLASH_TYPEMASK)){ /* AT49BV6416 Flash */
- if ((info->flash_id & FLASH_VENDMASK) !=
- (ATM_MANUFACT & FLASH_VENDMASK)) {
- return ERR_UNKNOWN_FLASH_VENDOR;
- }
+ pOrgDef = OrgAT49BV6416;
+ flash_nb_blocks = sizeof (OrgAT49BV6416) / sizeof (OrgDef);
+ } else {
+ flash_nb_blocks = 0;
+ pOrgDef = OrgAT49BV16x4;
+ }
+
+ flash_info[i].sector_count = flash_number_sector(pOrgDef, flash_nb_blocks);
+ memset (flash_info[i].protect, 0, flash_info[i].sector_count);
+
+ if (i == 0)
+ flashbase = PHYS_FLASH_1;
+ else
+ panic ("configured too many flash banks!\n");
- prot = 0;
- for (sect=s_first; sect<=s_last; ++sect) {
- if (info->protect[sect]) {
- prot++;
+ sector = 0;
+ start_address = flashbase;
+ flash_info[i].size = 0;
+
+ for (j = 0; j < flash_nb_blocks; j++) {
+ for (k = 0; k < pOrgDef[j].sector_number; k++) {
+ flash_info[i].start[sector++] = start_address;
+ start_address += pOrgDef[j].sector_size;
+ flash_info[i].size += pOrgDef[j].sector_size;
+ }
+ }
+
+ size += flash_info[i].size;
+
+ if ((flash_info[i].flash_id & FLASH_TYPEMASK) ==
+ (ATM_ID_BV6416 & FLASH_TYPEMASK)){ /* AT49BV6416 Flash */
+
+ /* Unlock all sectors at reset */
+ for (j=0; j<flash_info[i].sector_count; j++){
+ flash_unlock_sector(&flash_info[i], j);
+ }
+ }
}
- }
- 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();
+ /* Protect binary boot image */
+ flash_protect (FLAG_PROTECT_SET,
+ CFG_FLASH_BASE,
+ CFG_FLASH_BASE + CFG_BOOT_SIZE - 1, &flash_info[0]);
+
+ /* Protect environment variables */
+ flash_protect (FLAG_PROTECT_SET,
+ CFG_ENV_ADDR,
+ CFG_ENV_ADDR + CFG_ENV_SIZE - 1, &flash_info[0]);
- if (info->protect[sect] == 0)
- { /* not protected */
- volatile u16 *addr = (volatile u16 *)(info->start[sect]);
+ /* Protect U-Boot gzipped image */
+ flash_protect (FLAG_PROTECT_SET,
+ CFG_U_BOOT_BASE,
+ CFG_U_BOOT_BASE + CFG_U_BOOT_SIZE - 1, &flash_info[0]);
- MEM_FLASH_ADDR1 = CMD_UNLOCK1;
- MEM_FLASH_ADDR2 = CMD_UNLOCK2;
- MEM_FLASH_ADDR1 = CMD_ERASE_SETUP;
+ return size;
+}
- MEM_FLASH_ADDR1 = CMD_UNLOCK1;
- MEM_FLASH_ADDR2 = CMD_UNLOCK2;
- *addr = CMD_ERASE_CONFIRM;
+/*-----------------------------------------------------------------------
+ */
+void flash_print_info (flash_info_t * info)
+{
+ int i;
+
+ switch (info->flash_id & FLASH_VENDMASK) {
+ case (ATM_MANUFACT & FLASH_VENDMASK):
+ printf ("Atmel: ");
+ break;
+ default:
+ printf ("Unknown Vendor ");
+ break;
+ }
- /* wait until flash is ready */
- chip1 = 0;
+ switch (info->flash_id & FLASH_TYPEMASK) {
+ case (ATM_ID_BV1614 & FLASH_TYPEMASK):
+ printf ("AT49BV1614 (16Mbit)\n");
+ break;
+ case (ATM_ID_BV1614A & FLASH_TYPEMASK):
+ printf ("AT49BV1614A (16Mbit)\n");
+ break;
+ case (ATM_ID_BV6416 & FLASH_TYPEMASK):
+ printf ("AT49BV6416 (64Mbit)\n");
+ break;
+ default:
+ printf ("Unknown Chip Type\n");
+ return;
+ }
- do
- {
- result = *addr;
+ printf (" Size: %ld MB in %d Sectors\n",
+ info->size >> 20, info->sector_count);
- /* check timeout */
- if (get_timer_masked() > CFG_FLASH_ERASE_TOUT)
- {
- MEM_FLASH_ADDR1 = CMD_READ_ARRAY;
- chip1 = TMO;
- break;
+ 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");
+}
- if (!chip1 && (result & 0xFFFF) & BIT_ERASE_DONE)
- chip1 = READY;
+/*-----------------------------------------------------------------------
+ */
- } while (!chip1);
+int flash_erase (flash_info_t * info, int s_first, int s_last)
+{
+ ulong result;
+ int iflag, cflag, prot, sect;
+ int rc = ERR_OK;
+ int chip1;
- MEM_FLASH_ADDR1 = CMD_READ_ARRAY;
+ /* first look for protection bits */
- if (chip1 == ERR)
- {
- rc = ERR_PROG_ERROR;
- goto outahere;
- }
- if (chip1 == TMO)
- {
- rc = ERR_TIMOUT;
- goto outahere;
- }
-
- printf("ok.\n");
+ if (info->flash_id == FLASH_UNKNOWN)
+ return ERR_UNKNOWN_FLASH_TYPE;
+
+ if ((s_first < 0) || (s_first > s_last)) {
+ return ERR_INVAL;
}
- else /* it was protected */
- {
- printf("protected!\n");
+
+ if ((info->flash_id & FLASH_VENDMASK) !=
+ (ATM_MANUFACT & FLASH_VENDMASK)) {
+ return ERR_UNKNOWN_FLASH_VENDOR;
}
- }
- if (ctrlc())
- printf("User Interrupt!\n");
+ prot = 0;
+ for (sect = s_first; sect <= s_last; ++sect) {
+ if (info->protect[sect]) {
+ prot++;
+ }
+ }
+ 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 */
+ volatile u16 *addr = (volatile u16 *) (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 */
+ chip1 = 0;
+
+ do {
+ result = *addr;
+
+ /* check timeout */
+ if (get_timer_masked () > CFG_FLASH_ERASE_TOUT) {
+ MEM_FLASH_ADDR1 = CMD_READ_ARRAY;
+ chip1 = TMO;
+ break;
+ }
+
+ if (!chip1 && (result & 0xFFFF) & BIT_ERASE_DONE)
+ chip1 = READY;
+
+ } while (!chip1);
+
+ MEM_FLASH_ADDR1 = CMD_READ_ARRAY;
+
+ if (chip1 == ERR) {
+ rc = ERR_PROG_ERROR;
+ goto outahere;
+ }
+ if (chip1 == TMO) {
+ rc = ERR_TIMOUT;
+ goto outahere;
+ }
+
+ printf ("ok.\n");
+ } else { /* it was protected */
+ printf ("protected!\n");
+ }
+ }
+
+ if (ctrlc ())
+ printf ("User Interrupt!\n");
outahere:
- /* allow flash to settle - wait 10 ms */
- udelay_masked(10000);
+ /* 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_word (flash_info_t *info, ulong dest, ulong data)
+static int write_word (flash_info_t * info, ulong dest, ulong data)
{
- volatile u16 *addr = (volatile u16 *)dest;
- ulong result;
- int rc = ERR_OK;
- int cflag, iflag;
- int chip1;
-
- /*
- * 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 */
- chip1 = 0;
- do
- {
+ volatile u16 *addr = (volatile u16 *) dest;
+ ulong result;
+ int rc = ERR_OK;
+ int cflag, iflag;
+ int chip1;
+
+ /*
+ * 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)
- {
- chip1 = ERR | TMO;
- break;
- }
- if (!chip1 && ((result & 0x80) == (data & 0x80)))
- chip1 = READY;
+ /* arm simple, non interrupt dependent timer */
+ reset_timer_masked ();
+
+ /* wait until flash is ready */
+ chip1 = 0;
+ do {
+ result = *addr;
- } while (!chip1);
+ /* check timeout */
+ if (get_timer_masked () > CFG_FLASH_ERASE_TOUT) {
+ chip1 = ERR | TMO;
+ break;
+ }
+ if (!chip1 && ((result & 0x80) == (data & 0x80)))
+ chip1 = READY;
- *addr = CMD_READ_ARRAY;
+ } while (!chip1);
- if (chip1 == ERR || *addr != data)
- rc = ERR_PROG_ERROR;
+ *addr = CMD_READ_ARRAY;
+
+ if (chip1 == 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 wp, data;
- int rc;
+ ulong wp, data;
+ int rc;
- if(addr & 1) {
- printf("unaligned destination not supported\n");
- return ERR_ALIGN;
- };
+ if (addr & 1) {
+ printf ("unaligned destination not supported\n");
+ return ERR_ALIGN;
+ };
- if((int)src & 1) {
- printf("unaligned source not supported\n");
- return ERR_ALIGN;
- };
+ if ((int) src & 1) {
+ printf ("unaligned source not supported\n");
+ return ERR_ALIGN;
+ };
- wp = addr;
+ wp = addr;
- while (cnt >= 2) {
- data = *((volatile u16*)src);
- if ((rc = write_word(info, wp, data)) != 0) {
- return (rc);
- }
- src += 2;
- wp += 2;
- cnt -= 2;
- }
-
- if(cnt == 1) {
- data = (*((volatile u8*)src)) | (*((volatile u8*)(wp+1)) << 8);
- if ((rc = write_word(info, wp, data)) != 0) {
- return (rc);
+ while (cnt >= 2) {
+ data = *((volatile u16 *) src);
+ if ((rc = write_word (info, wp, data)) != 0) {
+ return (rc);
+ }
+ src += 2;
+ wp += 2;
+ cnt -= 2;
}
- src += 1;
- wp += 1;
- cnt -= 1;
- };
- return ERR_OK;
+ if (cnt == 1) {
+ data = (*((volatile u8 *) src)) | (*((volatile u8 *) (wp + 1)) <<
+ 8);
+ if ((rc = write_word (info, wp, data)) != 0) {
+ return (rc);
+ }
+ src += 1;
+ wp += 1;
+ cnt -= 1;
+ };
+
+ return ERR_OK;
}
projects / oweals / u-boot.git / blobdiff