* *
* Copyright (C) 2010 by Olaf Lüke (at91sam3s* support) *
* olaf@uni-paderborn.de *
- * *
- * *
+ * *
+ * Copyright (C) 2011 by Olivier Schonken (at91sam3x* support) * *
+ * and Jim Norris *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General public License as published by *
* the Free Software Foundation; either version 2 of the License, or *
/* at91sam3n series (has always one flash bank) */
#define FLASH_BANK_BASE_N 0x00400000
+/* at91sam3a/x series has two flash banks*/
+#define FLASH_BANK0_BASE_AX 0x00080000
+/*Bank 1 of the at91sam3a/x series starts at 0x00080000 + half flash size*/
+#define FLASH_BANK1_BASE_256K_AX 0x000A0000
+#define FLASH_BANK1_BASE_512K_AX 0x000C0000
+
#define AT91C_EFC_FCMD_GETD (0x0) /* (EFC) Get Flash Descriptor */
#define AT91C_EFC_FCMD_WP (0x1) /* (EFC) Write Page */
#define AT91C_EFC_FCMD_WPL (0x2) /* (EFC) Write Page and Lock */
#define SAM3_CHIPID_CIDR (0x400E0740)
uint32_t CHIPID_CIDR;
+#define SAM3_CHIPID_CIDR2 (0x400E0940) /*SAM3X and SAM3A cidr at this address*/
+ uint32_t CHIPID_CIDR2;
#define SAM3_CHIPID_EXID (0x400E0744)
uint32_t CHIPID_EXID;
+#define SAM3_CHIPID_EXID2 (0x400E0944) /*SAM3X and SAM3A cidr at this address*/
+ uint32_t CHIPID_EXID2;
+
#define SAM3_PMC_BASE (0x400E0400)
#define SAM3_PMC_SCSR (SAM3_PMC_BASE + 0x0008)
},
},
+ /* Start at91sam3a series*/
+ /* System boots at address 0x0 */
+ /* gpnvm[1] = selects boot code */
+ /* if gpnvm[1] == 0 */
+ /* boot is via "SAMBA" (rom) */
+ /* else */
+ /* boot is via FLASH */
+ /* Selection is via gpnvm[2] */
+ /* endif */
+ /* */
+ /* NOTE: banks 0 & 1 switch places */
+ /* if gpnvm[2] == 0 */
+ /* Bank0 is the boot rom */
+ /* else */
+ /* Bank1 is the boot rom */
+ /* endif */
+
+ {
+ .chipid_cidr = 0x283E0A60,
+ .name = "at91sam3a8c",
+ .total_flash_size = 512 * 1024,
+ .total_sram_size = 96 * 1024,
+ .n_gpnvms = 3,
+ .n_banks = 2,
+ {
+/* .bank[0] = { */
+ {
+ .probed = 0,
+ .pChip = NULL,
+ .pBank = NULL,
+ .bank_number = 0,
+ .base_address = FLASH_BANK0_BASE_AX,
+ .controller_address = 0x400e0a00,
+ .flash_wait_states = 6, /* workaround silicon bug */
+ .present = 1,
+ .size_bytes = 256 * 1024,
+ .nsectors = 16,
+ .sector_size = 16384,
+ .page_size = 256,
+ },
+/* .bank[1] = { */
+ {
+ .probed = 0,
+ .pChip = NULL,
+ .pBank = NULL,
+ .bank_number = 1,
+ .base_address = FLASH_BANK1_BASE_512K_AX,
+ .controller_address = 0x400e0c00,
+ .flash_wait_states = 6, /* workaround silicon bug */
+ .present = 1,
+ .size_bytes = 256 * 1024,
+ .nsectors = 16,
+ .sector_size = 16384,
+ .page_size = 256,
+
+ },
+ },
+ },
+ {
+ .chipid_cidr = 0x283B0960,
+ .name = "at91sam3a4c",
+ .total_flash_size = 256 * 1024,
+ .total_sram_size = 64 * 1024,
+ .n_gpnvms = 3,
+ .n_banks = 2,
+ {
+/* .bank[0] = { */
+ {
+ .probed = 0,
+ .pChip = NULL,
+ .pBank = NULL,
+ .bank_number = 0,
+ .base_address = FLASH_BANK0_BASE_AX,
+ .controller_address = 0x400e0a00,
+ .flash_wait_states = 6, /* workaround silicon bug */
+ .present = 1,
+ .size_bytes = 128 * 1024,
+ .nsectors = 8,
+ .sector_size = 16384,
+ .page_size = 256,
+ },
+/* .bank[1] = { */
+ {
+ .probed = 0,
+ .pChip = NULL,
+ .pBank = NULL,
+ .bank_number = 1,
+ .base_address = FLASH_BANK1_BASE_256K_AX,
+ .controller_address = 0x400e0c00,
+ .flash_wait_states = 6, /* workaround silicon bug */
+ .present = 1,
+ .size_bytes = 128 * 1024,
+ .nsectors = 8,
+ .sector_size = 16384,
+ .page_size = 256,
+
+ },
+ },
+ },
+
+ /* Start at91sam3x* series */
+ /* System boots at address 0x0 */
+ /* gpnvm[1] = selects boot code */
+ /* if gpnvm[1] == 0 */
+ /* boot is via "SAMBA" (rom) */
+ /* else */
+ /* boot is via FLASH */
+ /* Selection is via gpnvm[2] */
+ /* endif */
+ /* */
+ /* NOTE: banks 0 & 1 switch places */
+ /* if gpnvm[2] == 0 */
+ /* Bank0 is the boot rom */
+ /* else */
+ /* Bank1 is the boot rom */
+ /* endif */
+ {
+ .chipid_cidr = 0x286E0A20,
+ .name = "at91sam3x8h",
+ .total_flash_size = 512 * 1024,
+ .total_sram_size = 96 * 1024,
+ .n_gpnvms = 3,
+ .n_banks = 2,
+ {
+/* .bank[0] = { */
+ {
+ .probed = 0,
+ .pChip = NULL,
+ .pBank = NULL,
+ .bank_number = 0,
+ .base_address = FLASH_BANK0_BASE_AX,
+ .controller_address = 0x400e0a00,
+ .flash_wait_states = 6, /* workaround silicon bug */
+ .present = 1,
+ .size_bytes = 256 * 1024,
+ .nsectors = 16,
+ .sector_size = 16384,
+ .page_size = 256,
+ },
+/* .bank[1] = { */
+ {
+ .probed = 0,
+ .pChip = NULL,
+ .pBank = NULL,
+ .bank_number = 1,
+ .base_address = FLASH_BANK1_BASE_512K_AX,
+ .controller_address = 0x400e0c00,
+ .flash_wait_states = 6, /* workaround silicon bug */
+ .present = 1,
+ .size_bytes = 256 * 1024,
+ .nsectors = 16,
+ .sector_size = 16384,
+ .page_size = 256,
+
+ },
+ },
+ },
+ {
+ .chipid_cidr = 0x285E0A60,
+ .name = "at91sam3x8e",
+ .total_flash_size = 512 * 1024,
+ .total_sram_size = 96 * 1024,
+ .n_gpnvms = 3,
+ .n_banks = 2,
+ {
+/* .bank[0] = { */
+ {
+ .probed = 0,
+ .pChip = NULL,
+ .pBank = NULL,
+ .bank_number = 0,
+ .base_address = FLASH_BANK0_BASE_AX,
+ .controller_address = 0x400e0a00,
+ .flash_wait_states = 6, /* workaround silicon bug */
+ .present = 1,
+ .size_bytes = 256 * 1024,
+ .nsectors = 16,
+ .sector_size = 16384,
+ .page_size = 256,
+ },
+/* .bank[1] = { */
+ {
+ .probed = 0,
+ .pChip = NULL,
+ .pBank = NULL,
+ .bank_number = 1,
+ .base_address = FLASH_BANK1_BASE_512K_AX,
+ .controller_address = 0x400e0c00,
+ .flash_wait_states = 6, /* workaround silicon bug */
+ .present = 1,
+ .size_bytes = 256 * 1024,
+ .nsectors = 16,
+ .sector_size = 16384,
+ .page_size = 256,
+
+ },
+ },
+ },
+ {
+ .chipid_cidr = 0x284E0A60,
+ .name = "at91sam3x8c",
+ .total_flash_size = 512 * 1024,
+ .total_sram_size = 96 * 1024,
+ .n_gpnvms = 3,
+ .n_banks = 2,
+ {
+/* .bank[0] = { */
+ {
+ .probed = 0,
+ .pChip = NULL,
+ .pBank = NULL,
+ .bank_number = 0,
+ .base_address = FLASH_BANK0_BASE_AX,
+ .controller_address = 0x400e0a00,
+ .flash_wait_states = 6, /* workaround silicon bug */
+ .present = 1,
+ .size_bytes = 256 * 1024,
+ .nsectors = 16,
+ .sector_size = 16384,
+ .page_size = 256,
+ },
+/* .bank[1] = { */
+ {
+ .probed = 0,
+ .pChip = NULL,
+ .pBank = NULL,
+ .bank_number = 1,
+ .base_address = FLASH_BANK1_BASE_512K_AX ,
+ .controller_address = 0x400e0c00,
+ .flash_wait_states = 6, /* workaround silicon bug */
+ .present = 1,
+ .size_bytes = 256 * 1024,
+ .nsectors = 16,
+ .sector_size = 16384,
+ .page_size = 256,
+
+ },
+ },
+ },
+ {
+ .chipid_cidr = 0x285B0960,
+ .name = "at91sam3x4e",
+ .total_flash_size = 256 * 1024,
+ .total_sram_size = 64 * 1024,
+ .n_gpnvms = 3,
+ .n_banks = 2,
+ {
+/* .bank[0] = { */
+ {
+ .probed = 0,
+ .pChip = NULL,
+ .pBank = NULL,
+ .bank_number = 0,
+ .base_address = FLASH_BANK0_BASE_AX,
+ .controller_address = 0x400e0a00,
+ .flash_wait_states = 6, /* workaround silicon bug */
+ .present = 1,
+ .size_bytes = 128 * 1024,
+ .nsectors = 8,
+ .sector_size = 16384,
+ .page_size = 256,
+ },
+/* .bank[1] = { */
+ {
+ .probed = 0,
+ .pChip = NULL,
+ .pBank = NULL,
+ .bank_number = 1,
+ .base_address = FLASH_BANK1_BASE_256K_AX,
+ .controller_address = 0x400e0c00,
+ .flash_wait_states = 6, /* workaround silicon bug */
+ .present = 1,
+ .size_bytes = 128 * 1024,
+ .nsectors = 8,
+ .sector_size = 16384,
+ .page_size = 256,
+
+ },
+ },
+ },
+ {
+ .chipid_cidr = 0x284B0960,
+ .name = "at91sam3x4c",
+ .total_flash_size = 256 * 1024,
+ .total_sram_size = 64 * 1024,
+ .n_gpnvms = 3,
+ .n_banks = 2,
+ {
+/* .bank[0] = { */
+ {
+ .probed = 0,
+ .pChip = NULL,
+ .pBank = NULL,
+ .bank_number = 0,
+ .base_address = FLASH_BANK0_BASE_AX,
+ .controller_address = 0x400e0a00,
+ .flash_wait_states = 6, /* workaround silicon bug */
+ .present = 1,
+ .size_bytes = 128 * 1024,
+ .nsectors = 8,
+ .sector_size = 16384,
+ .page_size = 256,
+ },
+/* .bank[1] = { */
+ {
+ .probed = 0,
+ .pChip = NULL,
+ .pBank = NULL,
+ .bank_number = 1,
+ .base_address = FLASH_BANK1_BASE_256K_AX,
+ .controller_address = 0x400e0c00,
+ .flash_wait_states = 6, /* workaround silicon bug */
+ .present = 1,
+ .size_bytes = 128 * 1024,
+ .nsectors = 8,
+ .sector_size = 16384,
+ .page_size = 256,
+
+ },
+ },
+ },
/* terminate */
{
.chipid_cidr = 0,
SAM3_ENTRY(PMC_SCSR, NULL),
SAM3_ENTRY(PMC_SR, NULL),
SAM3_ENTRY(CHIPID_CIDR, sam3_explain_chipid_cidr),
+ SAM3_ENTRY(CHIPID_CIDR2, sam3_explain_chipid_cidr),
SAM3_ENTRY(CHIPID_EXID, NULL),
-
+ SAM3_ENTRY(CHIPID_EXID2, NULL),
/* TERMINATE THE LIST */
{ .name = NULL }
};
pReg->name, ((unsigned)(pReg->address)), r);
return r;
}
-
pReg++;
}
+ /* Chip identification register
+ *
+ * Unfortunately, the chip identification register is not at
+ * a constant address across all of the SAM3 series'. As a
+ * consequence, a simple heuristic is used to find where it's
+ * at...
+ *
+ * If the contents at the first address is zero, then we know
+ * that the second address is where the chip id register is.
+ * We can deduce this because for those SAM's that have the
+ * chip id @ 0x400e0940, the first address, 0x400e0740, is
+ * located in the memory map of the Power Management Controller
+ * (PMC). Furthermore, the address is not used by the PMC.
+ * So when read, the memory controller returns zero.*/
+ if (pChip->cfg.CHIPID_CIDR == 0) {
+ /*Put the correct CIDR and EXID values in the pChip structure */
+ pChip->cfg.CHIPID_CIDR = pChip->cfg.CHIPID_CIDR2;
+ pChip->cfg.CHIPID_EXID = pChip->cfg.CHIPID_EXID2;
+ }
return ERROR_OK;
}
default:
LOG_ERROR("Address 0x%08x invalid bank address (try 0x%08x or 0x%08x "
"[at91sam3u series] or 0x%08x [at91sam3s series] or "
- "0x%08x [at91sam3n series])",
+ "0x%08x [at91sam3n series] or 0x%08x or 0x%08x or 0x%08x[at91sam3ax series] )",
((unsigned int)(bank->base)),
((unsigned int)(FLASH_BANK0_BASE_U)),
((unsigned int)(FLASH_BANK1_BASE_U)),
((unsigned int)(FLASH_BANK_BASE_S)),
- ((unsigned int)(FLASH_BANK_BASE_N)));
+ ((unsigned int)(FLASH_BANK_BASE_N)),
+ ((unsigned int)(FLASH_BANK0_BASE_AX)),
+ ((unsigned int)(FLASH_BANK1_BASE_256K_AX)),
+ ((unsigned int)(FLASH_BANK1_BASE_512K_AX)));
return ERROR_FAIL;
break;
- /* at91sam3u series */
+ /* at91sam3s and at91sam3n series only has bank 0*/
+ /* at91sam3u and at91sam3ax series has the same address for bank 0*/
+ case FLASH_BANK_BASE_S:
case FLASH_BANK0_BASE_U:
bank->driver_priv = &(pChip->details.bank[0]);
bank->bank_number = 0;
pChip->details.bank[0].pChip = pChip;
pChip->details.bank[0].pBank = bank;
break;
+
+ /* Bank 1 of at91sam3u or at91sam3ax series */
case FLASH_BANK1_BASE_U:
+ case FLASH_BANK1_BASE_256K_AX:
+ case FLASH_BANK1_BASE_512K_AX:
bank->driver_priv = &(pChip->details.bank[1]);
bank->bank_number = 1;
pChip->details.bank[1].pChip = pChip;
pChip->details.bank[1].pBank = bank;
break;
-
- /* at91sam3s and at91sam3n series */
- case FLASH_BANK_BASE_S:
- bank->driver_priv = &(pChip->details.bank[0]);
- bank->bank_number = 0;
- pChip->details.bank[0].pChip = pChip;
- pChip->details.bank[0].pBank = bank;
- break;
}
/* we initialize after probing. */
pDetails++;
}
if (pDetails->name == NULL) {
- LOG_ERROR("SAM3 ChipID 0x%08x not found in table (perhaps you can this chip?)",
+ LOG_ERROR("SAM3 ChipID 0x%08x not found in table (perhaps you can ID this chip?)",
(unsigned int)(pPrivate->pChip->cfg.CHIPID_CIDR));
/* Help the victim, print details about the chip */
LOG_INFO("SAM3 CHIPID_CIDR: 0x%08x decodes as follows",
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