You are viewing a plain text version of this content. The canonical link for it is here.
Posted to commits@mynewt.apache.org by ad...@apache.org on 2016/06/16 21:41:41 UTC
[33/51] [partial] incubator-mynewt-site git commit: remove untarred
files for openocd
http://git-wip-us.apache.org/repos/asf/incubator-mynewt-site/blob/69f466b5/docs/os/tutorials/downloads/openocd-code-89bf96ffe6ac66c80407af8383b9d5adc0dc35f4/src/flash/nor/at91sam4.c
----------------------------------------------------------------------
diff --git a/docs/os/tutorials/downloads/openocd-code-89bf96ffe6ac66c80407af8383b9d5adc0dc35f4/src/flash/nor/at91sam4.c b/docs/os/tutorials/downloads/openocd-code-89bf96ffe6ac66c80407af8383b9d5adc0dc35f4/src/flash/nor/at91sam4.c
deleted file mode 100755
index 88ff6d7..0000000
--- a/docs/os/tutorials/downloads/openocd-code-89bf96ffe6ac66c80407af8383b9d5adc0dc35f4/src/flash/nor/at91sam4.c
+++ /dev/null
@@ -1,2680 +0,0 @@
-/***************************************************************************
- * Copyright (C) 2009 by Duane Ellis *
- * openocd@duaneellis.com *
- * *
- * Copyright (C) 2010 by Olaf L�ke (at91sam3s* support) *
- * olaf@uni-paderborn.de *
- * *
- * Copyright (C) 2011 by Olivier Schonken, Jim Norris *
- * (at91sam3x* & at91sam4 support)* *
- * *
- * 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 *
- * (at your option) any later version. *
- * *
- * This program is distributed in the hope that it will be useful, *
- * but WITHOUT ANY WARRANTY; without even the implied warranty of *
- * MERCHANTABILITY or FITNESS for A PARTICULAR PURPOSE. See the *
- * GNU General public License for more details. *
- * *
- * You should have received a copy of the GNU General public License *
- * along with this program; if not, write to the *
- * Free Software Foundation, Inc., *
- * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. *
-****************************************************************************/
-
-/* Some of the the lower level code was based on code supplied by
- * ATMEL under this copyright. */
-
-/* BEGIN ATMEL COPYRIGHT */
-/* ----------------------------------------------------------------------------
- * ATMEL Microcontroller Software Support
- * ----------------------------------------------------------------------------
- * Copyright (c) 2009, Atmel Corporation
- *
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are met:
- *
- * - Redistributions of source code must retain the above copyright notice,
- * this list of conditions and the disclaimer below.
- *
- * Atmel's name may not be used to endorse or promote products derived from
- * this software without specific prior written permission.
- *
- * DISCLAIMER: THIS SOFTWARE IS PROVIDED BY ATMEL "AS IS" AND ANY EXPRESS OR
- * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
- * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT ARE
- * DISCLAIMED. IN NO EVENT SHALL ATMEL BE LIABLE FOR ANY DIRECT, INDIRECT,
- * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA,
- * OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
- * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
- * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
- * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- * ----------------------------------------------------------------------------
- */
-/* END ATMEL COPYRIGHT */
-
-#ifdef HAVE_CONFIG_H
-#include "config.h"
-#endif
-
-#include "imp.h"
-#include <helper/time_support.h>
-
-#define REG_NAME_WIDTH (12)
-
-/* at91sam4s/at91sam4e series (has always one flash bank)*/
-#define FLASH_BANK_BASE_S 0x00400000
-
-/* at91sam4sd series (two one flash banks), first bank address */
-#define FLASH_BANK0_BASE_SD FLASH_BANK_BASE_S
-/* at91sam4sd16x, second bank address */
-#define FLASH_BANK1_BASE_1024K_SD (FLASH_BANK0_BASE_SD+(1024*1024/2))
-/* at91sam4sd32x, second bank address */
-#define FLASH_BANK1_BASE_2048K_SD (FLASH_BANK0_BASE_SD+(2048*1024/2))
-
-#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 AT91C_EFC_FCMD_EWP (0x3) /* (EFC) Erase Page and Write Page */
-#define AT91C_EFC_FCMD_EWPL (0x4) /* (EFC) Erase Page and Write Page then Lock */
-#define AT91C_EFC_FCMD_EA (0x5) /* (EFC) Erase All */
-/* cmd6 is not present in the at91sam4u4/2/1 data sheet table 19-2 */
-/* #define AT91C_EFC_FCMD_EPL (0x6) // (EFC) Erase plane? */
-#define AT91C_EFC_FCMD_EPA (0x7) /* (EFC) Erase pages */
-#define AT91C_EFC_FCMD_SLB (0x8) /* (EFC) Set Lock Bit */
-#define AT91C_EFC_FCMD_CLB (0x9) /* (EFC) Clear Lock Bit */
-#define AT91C_EFC_FCMD_GLB (0xA) /* (EFC) Get Lock Bit */
-#define AT91C_EFC_FCMD_SFB (0xB) /* (EFC) Set Fuse Bit */
-#define AT91C_EFC_FCMD_CFB (0xC) /* (EFC) Clear Fuse Bit */
-#define AT91C_EFC_FCMD_GFB (0xD) /* (EFC) Get Fuse Bit */
-#define AT91C_EFC_FCMD_STUI (0xE) /* (EFC) Start Read Unique ID */
-#define AT91C_EFC_FCMD_SPUI (0xF) /* (EFC) Stop Read Unique ID */
-
-#define offset_EFC_FMR 0
-#define offset_EFC_FCR 4
-#define offset_EFC_FSR 8
-#define offset_EFC_FRR 12
-
-extern struct flash_driver at91sam4_flash;
-
-static float _tomhz(uint32_t freq_hz)
-{
- float f;
-
- f = ((float)(freq_hz)) / 1000000.0;
- return f;
-}
-
-/* How the chip is configured. */
-struct sam4_cfg {
- uint32_t unique_id[4];
-
- uint32_t slow_freq;
- uint32_t rc_freq;
- uint32_t mainosc_freq;
- uint32_t plla_freq;
- uint32_t mclk_freq;
- uint32_t cpu_freq;
- uint32_t fclk_freq;
- uint32_t pclk0_freq;
- uint32_t pclk1_freq;
- uint32_t pclk2_freq;
-
-
-#define SAM4_CHIPID_CIDR (0x400E0740)
- uint32_t CHIPID_CIDR;
-#define SAM4_CHIPID_EXID (0x400E0744)
- uint32_t CHIPID_EXID;
-
-#define SAM4_PMC_BASE (0x400E0400)
-#define SAM4_PMC_SCSR (SAM4_PMC_BASE + 0x0008)
- uint32_t PMC_SCSR;
-#define SAM4_PMC_PCSR (SAM4_PMC_BASE + 0x0018)
- uint32_t PMC_PCSR;
-#define SAM4_CKGR_UCKR (SAM4_PMC_BASE + 0x001c)
- uint32_t CKGR_UCKR;
-#define SAM4_CKGR_MOR (SAM4_PMC_BASE + 0x0020)
- uint32_t CKGR_MOR;
-#define SAM4_CKGR_MCFR (SAM4_PMC_BASE + 0x0024)
- uint32_t CKGR_MCFR;
-#define SAM4_CKGR_PLLAR (SAM4_PMC_BASE + 0x0028)
- uint32_t CKGR_PLLAR;
-#define SAM4_PMC_MCKR (SAM4_PMC_BASE + 0x0030)
- uint32_t PMC_MCKR;
-#define SAM4_PMC_PCK0 (SAM4_PMC_BASE + 0x0040)
- uint32_t PMC_PCK0;
-#define SAM4_PMC_PCK1 (SAM4_PMC_BASE + 0x0044)
- uint32_t PMC_PCK1;
-#define SAM4_PMC_PCK2 (SAM4_PMC_BASE + 0x0048)
- uint32_t PMC_PCK2;
-#define SAM4_PMC_SR (SAM4_PMC_BASE + 0x0068)
- uint32_t PMC_SR;
-#define SAM4_PMC_IMR (SAM4_PMC_BASE + 0x006c)
- uint32_t PMC_IMR;
-#define SAM4_PMC_FSMR (SAM4_PMC_BASE + 0x0070)
- uint32_t PMC_FSMR;
-#define SAM4_PMC_FSPR (SAM4_PMC_BASE + 0x0074)
- uint32_t PMC_FSPR;
-};
-
-struct sam4_bank_private {
- int probed;
- /* DANGER: THERE ARE DRAGONS HERE.. */
- /* NOTE: If you add more 'ghost' pointers */
- /* be aware that you must *manually* update */
- /* these pointers in the function sam4_GetDetails() */
- /* See the comment "Here there be dragons" */
-
- /* so we can find the chip we belong to */
- struct sam4_chip *pChip;
- /* so we can find the original bank pointer */
- struct flash_bank *pBank;
- unsigned bank_number;
- uint32_t controller_address;
- uint32_t base_address;
- uint32_t flash_wait_states;
- bool present;
- unsigned size_bytes;
- unsigned nsectors;
- unsigned sector_size;
- unsigned page_size;
-};
-
-struct sam4_chip_details {
- /* THERE ARE DRAGONS HERE.. */
- /* note: If you add pointers here */
- /* be careful about them as they */
- /* may need to be updated inside */
- /* the function: "sam4_GetDetails() */
- /* which copy/overwrites the */
- /* 'runtime' copy of this structure */
- uint32_t chipid_cidr;
- const char *name;
-
- unsigned n_gpnvms;
-#define SAM4_N_NVM_BITS 3
- unsigned gpnvm[SAM4_N_NVM_BITS];
- unsigned total_flash_size;
- unsigned total_sram_size;
- unsigned n_banks;
-#define SAM4_MAX_FLASH_BANKS 2
- /* these are "initialized" from the global const data */
- struct sam4_bank_private bank[SAM4_MAX_FLASH_BANKS];
-};
-
-struct sam4_chip {
- struct sam4_chip *next;
- int probed;
-
- /* this is "initialized" from the global const structure */
- struct sam4_chip_details details;
- struct target *target;
- struct sam4_cfg cfg;
-};
-
-
-struct sam4_reg_list {
- uint32_t address; size_t struct_offset; const char *name;
- void (*explain_func)(struct sam4_chip *pInfo);
-};
-
-static struct sam4_chip *all_sam4_chips;
-
-static struct sam4_chip *get_current_sam4(struct command_context *cmd_ctx)
-{
- struct target *t;
- static struct sam4_chip *p;
-
- t = get_current_target(cmd_ctx);
- if (!t) {
- command_print(cmd_ctx, "No current target?");
- return NULL;
- }
-
- p = all_sam4_chips;
- if (!p) {
- /* this should not happen */
- /* the command is not registered until the chip is created? */
- command_print(cmd_ctx, "No SAM4 chips exist?");
- return NULL;
- }
-
- while (p) {
- if (p->target == t)
- return p;
- p = p->next;
- }
- command_print(cmd_ctx, "Cannot find SAM4 chip?");
- return NULL;
-}
-
-/*The actual sector size of the SAM4S flash memory is 65536 bytes. 16 sectors for a 1024KB device*/
-/*The lockregions are 8KB per lock region, with a 1024KB device having 128 lock regions. */
-/*For the best results, nsectors are thus set to the amount of lock regions, and the sector_size*/
-/*set to the lock region size. Page erases are used to erase 8KB sections when programming*/
-
-/* these are used to *initialize* the "pChip->details" structure. */
-static const struct sam4_chip_details all_sam4_details[] = {
-
- /* Start at91sam4e* series */
- /*atsam4e16e - LQFP144/LFBGA144*/
- {
- .chipid_cidr = 0xA3CC0CE0,
- .name = "at91sam4e16e",
- .total_flash_size = 1024 * 1024,
- .total_sram_size = 128 * 1024,
- .n_gpnvms = 2,
- .n_banks = 1,
- {
-/* .bank[0] = {*/
- {
- .probed = 0,
- .pChip = NULL,
- .pBank = NULL,
- .bank_number = 0,
- .base_address = FLASH_BANK_BASE_S,
- .controller_address = 0x400e0a00,
- .flash_wait_states = 6, /* workaround silicon bug */
- .present = 1,
- .size_bytes = 1024 * 1024,
- .nsectors = 128,
- .sector_size = 8192,
- .page_size = 512,
- },
-/* .bank[1] = {*/
- {
- .present = 0,
- .probed = 0,
- .bank_number = 1,
-
- },
- },
- },
-
- /* Start at91sam4n* series */
- /*atsam4n8a - LQFP48/QFN48*/
- {
- .chipid_cidr = 0x293B0AE0,
- .name = "at91sam4n8a",
- .total_flash_size = 512 * 1024,
- .total_sram_size = 64 * 1024,
- .n_gpnvms = 2,
- .n_banks = 1,
- {
-/* .bank[0] = {*/
- {
- .probed = 0,
- .pChip = NULL,
- .pBank = NULL,
- .bank_number = 0,
- .base_address = FLASH_BANK_BASE_S,
- .controller_address = 0x400e0a00,
- .flash_wait_states = 6, /* workaround silicon bug */
- .present = 1,
- .size_bytes = 512 * 1024,
- .nsectors = 64,
- .sector_size = 8192,
- .page_size = 512,
- },
-/* .bank[1] = {*/
- {
- .present = 0,
- .probed = 0,
- .bank_number = 1,
-
- },
- },
- },
- /*atsam4n8b - LQFP64/QFN64*/
- {
- .chipid_cidr = 0x294B0AE0,
- .name = "at91sam4n8b",
- .total_flash_size = 512 * 1024,
- .total_sram_size = 64 * 1024,
- .n_gpnvms = 2,
- .n_banks = 1,
- {
-/* .bank[0] = {*/
- {
- .probed = 0,
- .pChip = NULL,
- .pBank = NULL,
- .bank_number = 0,
- .base_address = FLASH_BANK_BASE_S,
- .controller_address = 0x400e0a00,
- .flash_wait_states = 6, /* workaround silicon bug */
- .present = 1,
- .size_bytes = 512 * 1024,
- .nsectors = 64,
- .sector_size = 8192,
- .page_size = 512,
- },
-/* .bank[1] = {*/
- {
- .present = 0,
- .probed = 0,
- .bank_number = 1,
-
- },
- },
- },
- /*atsam4n8c - LQFP100/TFBGA100/VFBGA100*/
- {
- .chipid_cidr = 0x295B0AE0,
- .name = "at91sam4n8c",
- .total_flash_size = 512 * 1024,
- .total_sram_size = 64 * 1024,
- .n_gpnvms = 2,
- .n_banks = 1,
- {
-/* .bank[0] = {*/
- {
- .probed = 0,
- .pChip = NULL,
- .pBank = NULL,
- .bank_number = 0,
- .base_address = FLASH_BANK_BASE_S,
- .controller_address = 0x400e0a00,
- .flash_wait_states = 6, /* workaround silicon bug */
- .present = 1,
- .size_bytes = 512 * 1024,
- .nsectors = 64,
- .sector_size = 8192,
- .page_size = 512,
- },
-/* .bank[1] = {*/
- {
- .present = 0,
- .probed = 0,
- .bank_number = 1,
-
- },
- },
- },
- /*atsam4n16b - LQFP64/QFN64*/
- {
- .chipid_cidr = 0x29460CE0,
- .name = "at91sam4n16b",
- .total_flash_size = 1024 * 1024,
- .total_sram_size = 80 * 1024,
- .n_gpnvms = 2,
- .n_banks = 1,
- {
-/* .bank[0] = {*/
- {
- .probed = 0,
- .pChip = NULL,
- .pBank = NULL,
- .bank_number = 0,
- .base_address = FLASH_BANK_BASE_S,
- .controller_address = 0x400e0a00,
- .flash_wait_states = 6, /* workaround silicon bug */
- .present = 1,
- .size_bytes = 1024 * 1024,
- .nsectors = 128,
- .sector_size = 8192,
- .page_size = 512,
- },
-/* .bank[1] = {*/
- {
- .present = 0,
- .probed = 0,
- .bank_number = 1,
-
- },
- },
- },
- /*atsam4n16c - LQFP100/TFBGA100/VFBGA100*/
- {
- .chipid_cidr = 0x29560CE0,
- .name = "at91sam4n16c",
- .total_flash_size = 1024 * 1024,
- .total_sram_size = 80 * 1024,
- .n_gpnvms = 2,
- .n_banks = 1,
- {
-/* .bank[0] = {*/
- {
- .probed = 0,
- .pChip = NULL,
- .pBank = NULL,
- .bank_number = 0,
- .base_address = FLASH_BANK_BASE_S,
- .controller_address = 0x400e0a00,
- .flash_wait_states = 6, /* workaround silicon bug */
- .present = 1,
- .size_bytes = 1024 * 1024,
- .nsectors = 128,
- .sector_size = 8192,
- .page_size = 512,
- },
-/* .bank[1] = {*/
- {
- .present = 0,
- .probed = 0,
- .bank_number = 1,
-
- },
- },
- },
-
- /* Start at91sam4s* series */
- /*atsam4s16c - LQFP100/BGA100*/
- {
- .chipid_cidr = 0x28AC0CE0,
- .name = "at91sam4s16c",
- .total_flash_size = 1024 * 1024,
- .total_sram_size = 128 * 1024,
- .n_gpnvms = 2,
- .n_banks = 1,
- {
-/* .bank[0] = {*/
- {
- .probed = 0,
- .pChip = NULL,
- .pBank = NULL,
- .bank_number = 0,
- .base_address = FLASH_BANK_BASE_S,
- .controller_address = 0x400e0a00,
- .flash_wait_states = 6, /* workaround silicon bug */
- .present = 1,
- .size_bytes = 1024 * 1024,
- .nsectors = 128,
- .sector_size = 8192,
- .page_size = 512,
- },
-/* .bank[1] = {*/
- {
- .present = 0,
- .probed = 0,
- .bank_number = 1,
-
- },
- },
- },
- /*atsam4s16b - LQFP64/QFN64*/
- {
- .chipid_cidr = 0x289C0CE0,
- .name = "at91sam4s16b",
- .total_flash_size = 1024 * 1024,
- .total_sram_size = 128 * 1024,
- .n_gpnvms = 2,
- .n_banks = 1,
- {
-/* .bank[0] = {*/
- {
- .probed = 0,
- .pChip = NULL,
- .pBank = NULL,
- .bank_number = 0,
- .base_address = FLASH_BANK_BASE_S,
- .controller_address = 0x400e0a00,
- .flash_wait_states = 6, /* workaround silicon bug */
- .present = 1,
- .size_bytes = 1024 * 1024,
- .nsectors = 128,
- .sector_size = 8192,
- .page_size = 512,
- },
-/* .bank[1] = {*/
- {
- .present = 0,
- .probed = 0,
- .bank_number = 1,
-
- },
- },
- },
- /*atsam4sa16b - LQFP64/QFN64*/
- {
- .chipid_cidr = 0x28970CE0,
- .name = "at91sam4sa16b",
- .total_flash_size = 1024 * 1024,
- .total_sram_size = 160 * 1024,
- .n_gpnvms = 2,
- .n_banks = 1,
- {
-/* .bank[0] = {*/
- {
- .probed = 0,
- .pChip = NULL,
- .pBank = NULL,
- .bank_number = 0,
- .base_address = FLASH_BANK_BASE_S,
- .controller_address = 0x400e0a00,
- .flash_wait_states = 6, /* workaround silicon bug */
- .present = 1,
- .size_bytes = 1024 * 1024,
- .nsectors = 128,
- .sector_size = 8192,
- .page_size = 512,
- },
-/* .bank[1] = {*/
- {
- .present = 0,
- .probed = 0,
- .bank_number = 1,
-
- },
- },
- },
- /*atsam4s16a - LQFP48/QFN48*/
- {
- .chipid_cidr = 0x288C0CE0,
- .name = "at91sam4s16a",
- .total_flash_size = 1024 * 1024,
- .total_sram_size = 128 * 1024,
- .n_gpnvms = 2,
- .n_banks = 1,
- {
-/* .bank[0] = {*/
- {
- .probed = 0,
- .pChip = NULL,
- .pBank = NULL,
- .bank_number = 0,
- .base_address = FLASH_BANK_BASE_S,
- .controller_address = 0x400e0a00,
- .flash_wait_states = 6, /* workaround silicon bug */
- .present = 1,
- .size_bytes = 1024 * 1024,
- .nsectors = 128,
- .sector_size = 8192,
- .page_size = 512,
- },
-/* .bank[1] = {*/
- {
- .present = 0,
- .probed = 0,
- .bank_number = 1,
-
- },
- },
- },
- /*atsam4s8c - LQFP100/BGA100*/
- {
- .chipid_cidr = 0x28AC0AE0,
- .name = "at91sam4s8c",
- .total_flash_size = 512 * 1024,
- .total_sram_size = 128 * 1024,
- .n_gpnvms = 2,
- .n_banks = 1,
- {
-/* .bank[0] = {*/
- {
- .probed = 0,
- .pChip = NULL,
- .pBank = NULL,
- .bank_number = 0,
- .base_address = FLASH_BANK_BASE_S,
- .controller_address = 0x400e0a00,
- .flash_wait_states = 6, /* workaround silicon bug */
- .present = 1,
- .size_bytes = 512 * 1024,
- .nsectors = 64,
- .sector_size = 8192,
- .page_size = 512,
- },
-/* .bank[1] = {*/
- {
- .present = 0,
- .probed = 0,
- .bank_number = 1,
-
- },
- },
- },
- /*atsam4s8b - LQFP64/BGA64*/
- {
- .chipid_cidr = 0x289C0AE0,
- .name = "at91sam4s8b",
- .total_flash_size = 512 * 1024,
- .total_sram_size = 128 * 1024,
- .n_gpnvms = 2,
- .n_banks = 1,
- {
-/* .bank[0] = {*/
- {
- .probed = 0,
- .pChip = NULL,
- .pBank = NULL,
- .bank_number = 0,
- .base_address = FLASH_BANK_BASE_S,
- .controller_address = 0x400e0a00,
- .flash_wait_states = 6, /* workaround silicon bug */
- .present = 1,
- .size_bytes = 512 * 1024,
- .nsectors = 64,
- .sector_size = 8192,
- .page_size = 512,
- },
-/* .bank[1] = {*/
- {
- .present = 0,
- .probed = 0,
- .bank_number = 1,
-
- },
- },
- },
- /*atsam4s8a - LQFP48/BGA48*/
- {
- .chipid_cidr = 0x288C0AE0,
- .name = "at91sam4s8a",
- .total_flash_size = 512 * 1024,
- .total_sram_size = 128 * 1024,
- .n_gpnvms = 2,
- .n_banks = 1,
- {
-/* .bank[0] = {*/
- {
- .probed = 0,
- .pChip = NULL,
- .pBank = NULL,
- .bank_number = 0,
- .base_address = FLASH_BANK_BASE_S,
- .controller_address = 0x400e0a00,
- .flash_wait_states = 6, /* workaround silicon bug */
- .present = 1,
- .size_bytes = 512 * 1024,
- .nsectors = 64,
- .sector_size = 8192,
- .page_size = 512,
- },
-/* .bank[1] = {*/
- {
- .present = 0,
- .probed = 0,
- .bank_number = 1,
-
- },
- },
- },
-
- /*atsam4s4a - LQFP48/BGA48*/
- {
- .chipid_cidr = 0x288b09e0,
- .name = "at91sam4s4a",
- .total_flash_size = 256 * 1024,
- .total_sram_size = 64 * 1024,
- .n_gpnvms = 2,
- .n_banks = 1,
- {
-/* .bank[0] = {*/
- {
- .probed = 0,
- .pChip = NULL,
- .pBank = NULL,
- .bank_number = 0,
- .base_address = FLASH_BANK_BASE_S,
- .controller_address = 0x400e0a00,
- .flash_wait_states = 6, /* workaround silicon bug */
- .present = 1,
- .size_bytes = 256 * 1024,
- .nsectors = 32,
- .sector_size = 8192,
- .page_size = 512,
- },
-/* .bank[1] = {*/
- {
- .present = 0,
- .probed = 0,
- .bank_number = 1,
-
- },
- },
- },
-
- /*at91sam4sd32c*/
- {
- .chipid_cidr = 0x29a70ee0,
- .name = "at91sam4sd32c",
- .total_flash_size = 2048 * 1024,
- .total_sram_size = 160 * 1024,
- .n_gpnvms = 3,
- .n_banks = 2,
-
-/* .bank[0] = { */
- {
- {
- .probed = 0,
- .pChip = NULL,
- .pBank = NULL,
- .bank_number = 0,
- .base_address = FLASH_BANK0_BASE_SD,
- .controller_address = 0x400e0a00,
- .flash_wait_states = 6, /* workaround silicon bug */
- .present = 1,
- .size_bytes = 1024 * 1024,
- .nsectors = 128,
- .sector_size = 8192,
- .page_size = 512,
- },
-
-/* .bank[1] = { */
- {
- .probed = 0,
- .pChip = NULL,
- .pBank = NULL,
- .bank_number = 1,
- .base_address = FLASH_BANK1_BASE_2048K_SD,
- .controller_address = 0x400e0c00,
- .flash_wait_states = 6, /* workaround silicon bug */
- .present = 1,
- .size_bytes = 1024 * 1024,
- .nsectors = 128,
- .sector_size = 8192,
- .page_size = 512,
- },
- },
- },
-
- /*at91sam4sd16c*/
- {
- .chipid_cidr = 0x29a70ce0,
- .name = "at91sam4sd16c",
- .total_flash_size = 1024 * 1024,
- .total_sram_size = 160 * 1024,
- .n_gpnvms = 3,
- .n_banks = 2,
-
-/* .bank[0] = { */
- {
- {
- .probed = 0,
- .pChip = NULL,
- .pBank = NULL,
- .bank_number = 0,
- .base_address = FLASH_BANK0_BASE_SD,
- .controller_address = 0x400e0a00,
- .flash_wait_states = 6, /* workaround silicon bug */
- .present = 1,
- .size_bytes = 512 * 1024,
- .nsectors = 64,
- .sector_size = 8192,
- .page_size = 512,
- },
-
-/* .bank[1] = { */
- {
- .probed = 0,
- .pChip = NULL,
- .pBank = NULL,
- .bank_number = 1,
- .base_address = FLASH_BANK1_BASE_1024K_SD,
- .controller_address = 0x400e0c00,
- .flash_wait_states = 6, /* workaround silicon bug */
- .present = 1,
- .size_bytes = 512 * 1024,
- .nsectors = 64,
- .sector_size = 8192,
- .page_size = 512,
- },
- },
- },
-
- /*at91sam4sa16c*/
- {
- .chipid_cidr = 0x28a70ce0,
- .name = "at91sam4sa16c",
- .total_flash_size = 1024 * 1024,
- .total_sram_size = 160 * 1024,
- .n_gpnvms = 3,
- .n_banks = 2,
-
-/* .bank[0] = { */
- {
- {
- .probed = 0,
- .pChip = NULL,
- .pBank = NULL,
- .bank_number = 0,
- .base_address = FLASH_BANK0_BASE_SD,
- .controller_address = 0x400e0a00,
- .flash_wait_states = 6, /* workaround silicon bug */
- .present = 1,
- .size_bytes = 512 * 1024,
- .nsectors = 64,
- .sector_size = 8192,
- .page_size = 512,
- },
-
-/* .bank[1] = { */
- {
- .probed = 0,
- .pChip = NULL,
- .pBank = NULL,
- .bank_number = 1,
- .base_address = FLASH_BANK1_BASE_1024K_SD,
- .controller_address = 0x400e0c00,
- .flash_wait_states = 6, /* workaround silicon bug */
- .present = 1,
- .size_bytes = 512 * 1024,
- .nsectors = 64,
- .sector_size = 8192,
- .page_size = 512,
- },
- },
- },
-
- /* at91samg53n19 */
- {
- .chipid_cidr = 0x247e0ae0,
- .name = "at91samg53n19",
- .total_flash_size = 512 * 1024,
- .total_sram_size = 96 * 1024,
- .n_gpnvms = 2,
- .n_banks = 1,
-
-/* .bank[0] = {*/
- {
- {
- .probed = 0,
- .pChip = NULL,
- .pBank = NULL,
- .bank_number = 0,
- .base_address = FLASH_BANK_BASE_S,
- .controller_address = 0x400e0a00,
- .flash_wait_states = 6, /* workaround silicon bug */
- .present = 1,
- .size_bytes = 512 * 1024,
- .nsectors = 64,
- .sector_size = 8192,
- .page_size = 512,
- },
-/* .bank[1] = {*/
- {
- .present = 0,
- .probed = 0,
- .bank_number = 1,
-
- },
- }
- },
-
- /* terminate */
- {
- .chipid_cidr = 0,
- .name = NULL,
- }
-};
-
-/* Globals above */
-/***********************************************************************
- **********************************************************************
- **********************************************************************
- **********************************************************************
- **********************************************************************
- **********************************************************************/
-/* *ATMEL* style code - from the SAM4 driver code */
-
-/**
- * Get the current status of the EEFC and
- * the value of some status bits (LOCKE, PROGE).
- * @param pPrivate - info about the bank
- * @param v - result goes here
- */
-static int EFC_GetStatus(struct sam4_bank_private *pPrivate, uint32_t *v)
-{
- int r;
- r = target_read_u32(pPrivate->pChip->target,
- pPrivate->controller_address + offset_EFC_FSR,
- v);
- LOG_DEBUG("Status: 0x%08x (lockerror: %d, cmderror: %d, ready: %d)",
- (unsigned int)(*v),
- ((unsigned int)((*v >> 2) & 1)),
- ((unsigned int)((*v >> 1) & 1)),
- ((unsigned int)((*v >> 0) & 1)));
-
- return r;
-}
-
-/**
- * Get the result of the last executed command.
- * @param pPrivate - info about the bank
- * @param v - result goes here
- */
-static int EFC_GetResult(struct sam4_bank_private *pPrivate, uint32_t *v)
-{
- int r;
- uint32_t rv;
- r = target_read_u32(pPrivate->pChip->target,
- pPrivate->controller_address + offset_EFC_FRR,
- &rv);
- if (v)
- *v = rv;
- LOG_DEBUG("Result: 0x%08x", ((unsigned int)(rv)));
- return r;
-}
-
-static int EFC_StartCommand(struct sam4_bank_private *pPrivate,
- unsigned command, unsigned argument)
-{
- uint32_t n, v;
- int r;
- int retry;
-
- retry = 0;
-do_retry:
-
- /* Check command & argument */
- switch (command) {
-
- case AT91C_EFC_FCMD_WP:
- case AT91C_EFC_FCMD_WPL:
- case AT91C_EFC_FCMD_EWP:
- case AT91C_EFC_FCMD_EWPL:
- /* case AT91C_EFC_FCMD_EPL: */
- case AT91C_EFC_FCMD_EPA:
- case AT91C_EFC_FCMD_SLB:
- case AT91C_EFC_FCMD_CLB:
- n = (pPrivate->size_bytes / pPrivate->page_size);
- if (argument >= n)
- LOG_ERROR("*BUG*: Embedded flash has only %u pages", (unsigned)(n));
- break;
-
- case AT91C_EFC_FCMD_SFB:
- case AT91C_EFC_FCMD_CFB:
- if (argument >= pPrivate->pChip->details.n_gpnvms) {
- LOG_ERROR("*BUG*: Embedded flash has only %d GPNVMs",
- pPrivate->pChip->details.n_gpnvms);
- }
- break;
-
- case AT91C_EFC_FCMD_GETD:
- case AT91C_EFC_FCMD_EA:
- case AT91C_EFC_FCMD_GLB:
- case AT91C_EFC_FCMD_GFB:
- case AT91C_EFC_FCMD_STUI:
- case AT91C_EFC_FCMD_SPUI:
- if (argument != 0)
- LOG_ERROR("Argument is meaningless for cmd: %d", command);
- break;
- default:
- LOG_ERROR("Unknown command %d", command);
- break;
- }
-
- if (command == AT91C_EFC_FCMD_SPUI) {
- /* this is a very special situation. */
- /* Situation (1) - error/retry - see below */
- /* And we are being called recursively */
- /* Situation (2) - normal, finished reading unique id */
- } else {
- /* it should be "ready" */
- EFC_GetStatus(pPrivate, &v);
- if (v & 1) {
- /* then it is ready */
- /* we go on */
- } else {
- if (retry) {
- /* we have done this before */
- /* the controller is not responding. */
- LOG_ERROR("flash controller(%d) is not ready! Error",
- pPrivate->bank_number);
- return ERROR_FAIL;
- } else {
- retry++;
- LOG_ERROR("Flash controller(%d) is not ready, attempting reset",
- pPrivate->bank_number);
- /* we do that by issuing the *STOP* command */
- EFC_StartCommand(pPrivate, AT91C_EFC_FCMD_SPUI, 0);
- /* above is recursive, and further recursion is blocked by */
- /* if (command == AT91C_EFC_FCMD_SPUI) above */
- goto do_retry;
- }
- }
- }
-
- v = (0x5A << 24) | (argument << 8) | command;
- LOG_DEBUG("Command: 0x%08x", ((unsigned int)(v)));
- r = target_write_u32(pPrivate->pBank->target,
- pPrivate->controller_address + offset_EFC_FCR, v);
- if (r != ERROR_OK)
- LOG_DEBUG("Error Write failed");
- return r;
-}
-
-/**
- * Performs the given command and wait until its completion (or an error).
- * @param pPrivate - info about the bank
- * @param command - Command to perform.
- * @param argument - Optional command argument.
- * @param status - put command status bits here
- */
-static int EFC_PerformCommand(struct sam4_bank_private *pPrivate,
- unsigned command,
- unsigned argument,
- uint32_t *status)
-{
-
- int r;
- uint32_t v;
- long long ms_now, ms_end;
-
- /* default */
- if (status)
- *status = 0;
-
- r = EFC_StartCommand(pPrivate, command, argument);
- if (r != ERROR_OK)
- return r;
-
- ms_end = 10000 + timeval_ms();
-
- do {
- r = EFC_GetStatus(pPrivate, &v);
- if (r != ERROR_OK)
- return r;
- ms_now = timeval_ms();
- if (ms_now > ms_end) {
- /* error */
- LOG_ERROR("Command timeout");
- return ERROR_FAIL;
- }
- } while ((v & 1) == 0);
-
- /* error bits.. */
- if (status)
- *status = (v & 0x6);
- return ERROR_OK;
-
-}
-
-/**
- * Read the unique ID.
- * @param pPrivate - info about the bank
- * The unique ID is stored in the 'pPrivate' structure.
- */
-static int FLASHD_ReadUniqueID(struct sam4_bank_private *pPrivate)
-{
- int r;
- uint32_t v;
- int x;
- /* assume 0 */
- pPrivate->pChip->cfg.unique_id[0] = 0;
- pPrivate->pChip->cfg.unique_id[1] = 0;
- pPrivate->pChip->cfg.unique_id[2] = 0;
- pPrivate->pChip->cfg.unique_id[3] = 0;
-
- LOG_DEBUG("Begin");
- r = EFC_StartCommand(pPrivate, AT91C_EFC_FCMD_STUI, 0);
- if (r < 0)
- return r;
-
- for (x = 0; x < 4; x++) {
- r = target_read_u32(pPrivate->pChip->target,
- pPrivate->pBank->base + (x * 4),
- &v);
- if (r < 0)
- return r;
- pPrivate->pChip->cfg.unique_id[x] = v;
- }
-
- r = EFC_PerformCommand(pPrivate, AT91C_EFC_FCMD_SPUI, 0, NULL);
- LOG_DEBUG("End: R=%d, id = 0x%08x, 0x%08x, 0x%08x, 0x%08x",
- r,
- (unsigned int)(pPrivate->pChip->cfg.unique_id[0]),
- (unsigned int)(pPrivate->pChip->cfg.unique_id[1]),
- (unsigned int)(pPrivate->pChip->cfg.unique_id[2]),
- (unsigned int)(pPrivate->pChip->cfg.unique_id[3]));
- return r;
-
-}
-
-/**
- * Erases the entire flash.
- * @param pPrivate - the info about the bank.
- */
-static int FLASHD_EraseEntireBank(struct sam4_bank_private *pPrivate)
-{
- LOG_DEBUG("Here");
- return EFC_PerformCommand(pPrivate, AT91C_EFC_FCMD_EA, 0, NULL);
-}
-
-/**
- * Erases the entire flash.
- * @param pPrivate - the info about the bank.
- */
-static int FLASHD_ErasePages(struct sam4_bank_private *pPrivate,
- int firstPage,
- int numPages,
- uint32_t *status)
-{
- LOG_DEBUG("Here");
- uint8_t erasePages;
- switch (numPages) {
- case 4:
- erasePages = 0x00;
- break;
- case 8:
- erasePages = 0x01;
- break;
- case 16:
- erasePages = 0x02;
- break;
- case 32:
- erasePages = 0x03;
- break;
- default:
- erasePages = 0x00;
- break;
- }
-
- /* AT91C_EFC_FCMD_EPA
- * According to the datasheet FARG[15:2] defines the page from which
- * the erase will start.This page must be modulo 4, 8, 16 or 32
- * according to the number of pages to erase. FARG[1:0] defines the
- * number of pages to be erased. Previously (firstpage << 2) was used
- * to conform to this, seems it should not be shifted...
- */
- return EFC_PerformCommand(pPrivate,
- /* send Erase Page */
- AT91C_EFC_FCMD_EPA,
- (firstPage) | erasePages,
- status);
-}
-
-/**
- * Gets current GPNVM state.
- * @param pPrivate - info about the bank.
- * @param gpnvm - GPNVM bit index.
- * @param puthere - result stored here.
- */
-/* ------------------------------------------------------------------------------ */
-static int FLASHD_GetGPNVM(struct sam4_bank_private *pPrivate, unsigned gpnvm, unsigned *puthere)
-{
- uint32_t v;
- int r;
-
- LOG_DEBUG("Here");
- if (pPrivate->bank_number != 0) {
- LOG_ERROR("GPNVM only works with Bank0");
- return ERROR_FAIL;
- }
-
- if (gpnvm >= pPrivate->pChip->details.n_gpnvms) {
- LOG_ERROR("Invalid GPNVM %d, max: %d, ignored",
- gpnvm, pPrivate->pChip->details.n_gpnvms);
- return ERROR_FAIL;
- }
-
- /* Get GPNVMs status */
- r = EFC_PerformCommand(pPrivate, AT91C_EFC_FCMD_GFB, 0, NULL);
- if (r != ERROR_OK) {
- LOG_ERROR("Failed");
- return r;
- }
-
- r = EFC_GetResult(pPrivate, &v);
-
- if (puthere) {
- /* Check if GPNVM is set */
- /* get the bit and make it a 0/1 */
- *puthere = (v >> gpnvm) & 1;
- }
-
- return r;
-}
-
-/**
- * Clears the selected GPNVM bit.
- * @param pPrivate info about the bank
- * @param gpnvm GPNVM index.
- * @returns 0 if successful; otherwise returns an error code.
- */
-static int FLASHD_ClrGPNVM(struct sam4_bank_private *pPrivate, unsigned gpnvm)
-{
- int r;
- unsigned v;
-
- LOG_DEBUG("Here");
- if (pPrivate->bank_number != 0) {
- LOG_ERROR("GPNVM only works with Bank0");
- return ERROR_FAIL;
- }
-
- if (gpnvm >= pPrivate->pChip->details.n_gpnvms) {
- LOG_ERROR("Invalid GPNVM %d, max: %d, ignored",
- gpnvm, pPrivate->pChip->details.n_gpnvms);
- return ERROR_FAIL;
- }
-
- r = FLASHD_GetGPNVM(pPrivate, gpnvm, &v);
- if (r != ERROR_OK) {
- LOG_DEBUG("Failed: %d", r);
- return r;
- }
- r = EFC_PerformCommand(pPrivate, AT91C_EFC_FCMD_CFB, gpnvm, NULL);
- LOG_DEBUG("End: %d", r);
- return r;
-}
-
-/**
- * Sets the selected GPNVM bit.
- * @param pPrivate info about the bank
- * @param gpnvm GPNVM index.
- */
-static int FLASHD_SetGPNVM(struct sam4_bank_private *pPrivate, unsigned gpnvm)
-{
- int r;
- unsigned v;
-
- if (pPrivate->bank_number != 0) {
- LOG_ERROR("GPNVM only works with Bank0");
- return ERROR_FAIL;
- }
-
- if (gpnvm >= pPrivate->pChip->details.n_gpnvms) {
- LOG_ERROR("Invalid GPNVM %d, max: %d, ignored",
- gpnvm, pPrivate->pChip->details.n_gpnvms);
- return ERROR_FAIL;
- }
-
- r = FLASHD_GetGPNVM(pPrivate, gpnvm, &v);
- if (r != ERROR_OK)
- return r;
- if (v) {
- /* already set */
- r = ERROR_OK;
- } else {
- /* set it */
- r = EFC_PerformCommand(pPrivate, AT91C_EFC_FCMD_SFB, gpnvm, NULL);
- }
- return r;
-}
-
-/**
- * Returns a bit field (at most 64) of locked regions within a page.
- * @param pPrivate info about the bank
- * @param v where to store locked bits
- */
-static int FLASHD_GetLockBits(struct sam4_bank_private *pPrivate, uint32_t *v)
-{
- int r;
- LOG_DEBUG("Here");
- r = EFC_PerformCommand(pPrivate, AT91C_EFC_FCMD_GLB, 0, NULL);
- if (r == ERROR_OK) {
- EFC_GetResult(pPrivate, v);
- EFC_GetResult(pPrivate, v);
- EFC_GetResult(pPrivate, v);
- r = EFC_GetResult(pPrivate, v);
- }
- LOG_DEBUG("End: %d", r);
- return r;
-}
-
-/**
- * Unlocks all the regions in the given address range.
- * @param pPrivate info about the bank
- * @param start_sector first sector to unlock
- * @param end_sector last (inclusive) to unlock
- */
-
-static int FLASHD_Unlock(struct sam4_bank_private *pPrivate,
- unsigned start_sector,
- unsigned end_sector)
-{
- int r;
- uint32_t status;
- uint32_t pg;
- uint32_t pages_per_sector;
-
- pages_per_sector = pPrivate->sector_size / pPrivate->page_size;
-
- /* Unlock all pages */
- while (start_sector <= end_sector) {
- pg = start_sector * pages_per_sector;
-
- r = EFC_PerformCommand(pPrivate, AT91C_EFC_FCMD_CLB, pg, &status);
- if (r != ERROR_OK)
- return r;
- start_sector++;
- }
-
- return ERROR_OK;
-}
-
-/**
- * Locks regions
- * @param pPrivate - info about the bank
- * @param start_sector - first sector to lock
- * @param end_sector - last sector (inclusive) to lock
- */
-static int FLASHD_Lock(struct sam4_bank_private *pPrivate,
- unsigned start_sector,
- unsigned end_sector)
-{
- uint32_t status;
- uint32_t pg;
- uint32_t pages_per_sector;
- int r;
-
- pages_per_sector = pPrivate->sector_size / pPrivate->page_size;
-
- /* Lock all pages */
- while (start_sector <= end_sector) {
- pg = start_sector * pages_per_sector;
-
- r = EFC_PerformCommand(pPrivate, AT91C_EFC_FCMD_SLB, pg, &status);
- if (r != ERROR_OK)
- return r;
- start_sector++;
- }
- return ERROR_OK;
-}
-
-/****** END SAM4 CODE ********/
-
-/* begin helpful debug code */
-/* print the fieldname, the field value, in dec & hex, and return field value */
-static uint32_t sam4_reg_fieldname(struct sam4_chip *pChip,
- const char *regname,
- uint32_t value,
- unsigned shift,
- unsigned width)
-{
- uint32_t v;
- int hwidth, dwidth;
-
-
- /* extract the field */
- v = value >> shift;
- v = v & ((1 << width)-1);
- if (width <= 16) {
- hwidth = 4;
- dwidth = 5;
- } else {
- hwidth = 8;
- dwidth = 12;
- }
-
- /* show the basics */
- LOG_USER_N("\t%*s: %*" PRId32 " [0x%0*" PRIx32 "] ",
- REG_NAME_WIDTH, regname,
- dwidth, v,
- hwidth, v);
- return v;
-}
-
-static const char _unknown[] = "unknown";
-static const char *const eproc_names[] = {
- _unknown, /* 0 */
- "arm946es", /* 1 */
- "arm7tdmi", /* 2 */
- "cortex-m3", /* 3 */
- "arm920t", /* 4 */
- "arm926ejs", /* 5 */
- "cortex-a5", /* 6 */
- "cortex-m4", /* 7 */
- _unknown, /* 8 */
- _unknown, /* 9 */
- _unknown, /* 10 */
- _unknown, /* 11 */
- _unknown, /* 12 */
- _unknown, /* 13 */
- _unknown, /* 14 */
- _unknown, /* 15 */
-};
-
-#define nvpsize2 nvpsize /* these two tables are identical */
-static const char *const nvpsize[] = {
- "none", /* 0 */
- "8K bytes", /* 1 */
- "16K bytes", /* 2 */
- "32K bytes", /* 3 */
- _unknown, /* 4 */
- "64K bytes", /* 5 */
- _unknown, /* 6 */
- "128K bytes", /* 7 */
- _unknown, /* 8 */
- "256K bytes", /* 9 */
- "512K bytes", /* 10 */
- _unknown, /* 11 */
- "1024K bytes", /* 12 */
- _unknown, /* 13 */
- "2048K bytes", /* 14 */
- _unknown, /* 15 */
-};
-
-static const char *const sramsize[] = {
- "48K Bytes", /* 0 */
- "1K Bytes", /* 1 */
- "2K Bytes", /* 2 */
- "6K Bytes", /* 3 */
- "112K Bytes", /* 4 */
- "4K Bytes", /* 5 */
- "80K Bytes", /* 6 */
- "160K Bytes", /* 7 */
- "8K Bytes", /* 8 */
- "16K Bytes", /* 9 */
- "32K Bytes", /* 10 */
- "64K Bytes", /* 11 */
- "128K Bytes", /* 12 */
- "256K Bytes", /* 13 */
- "96K Bytes", /* 14 */
- "512K Bytes", /* 15 */
-
-};
-
-static const struct archnames { unsigned value; const char *name; } archnames[] = {
- { 0x19, "AT91SAM9xx Series" },
- { 0x29, "AT91SAM9XExx Series" },
- { 0x34, "AT91x34 Series" },
- { 0x37, "CAP7 Series" },
- { 0x39, "CAP9 Series" },
- { 0x3B, "CAP11 Series" },
- { 0x3C, "ATSAM4E" },
- { 0x40, "AT91x40 Series" },
- { 0x42, "AT91x42 Series" },
- { 0x43, "SAMG51 Series"
- },
- { 0x47, "SAMG53 Series"
- },
- { 0x55, "AT91x55 Series" },
- { 0x60, "AT91SAM7Axx Series" },
- { 0x61, "AT91SAM7AQxx Series" },
- { 0x63, "AT91x63 Series" },
- { 0x70, "AT91SAM7Sxx Series" },
- { 0x71, "AT91SAM7XCxx Series" },
- { 0x72, "AT91SAM7SExx Series" },
- { 0x73, "AT91SAM7Lxx Series" },
- { 0x75, "AT91SAM7Xxx Series" },
- { 0x76, "AT91SAM7SLxx Series" },
- { 0x80, "ATSAM3UxC Series (100-pin version)" },
- { 0x81, "ATSAM3UxE Series (144-pin version)" },
- { 0x83, "ATSAM3A/SAM4A xC Series (100-pin version)"},
- { 0x84, "ATSAM3X/SAM4X xC Series (100-pin version)"},
- { 0x85, "ATSAM3X/SAM4X xE Series (144-pin version)"},
- { 0x86, "ATSAM3X/SAM4X xG Series (208/217-pin version)" },
- { 0x88, "ATSAM3S/SAM4S xA Series (48-pin version)" },
- { 0x89, "ATSAM3S/SAM4S xB Series (64-pin version)" },
- { 0x8A, "ATSAM3S/SAM4S xC Series (100-pin version)"},
- { 0x92, "AT91x92 Series" },
- { 0x93, "ATSAM3NxA Series (48-pin version)" },
- { 0x94, "ATSAM3NxB Series (64-pin version)" },
- { 0x95, "ATSAM3NxC Series (100-pin version)" },
- { 0x98, "ATSAM3SDxA Series (48-pin version)" },
- { 0x99, "ATSAM3SDxB Series (64-pin version)" },
- { 0x9A, "ATSAM3SDxC Series (100-pin version)" },
- { 0xA5, "ATSAM5A" },
- { 0xF0, "AT75Cxx Series" },
- { -1, NULL },
-};
-
-static const char *const nvptype[] = {
- "rom", /* 0 */
- "romless or onchip flash", /* 1 */
- "embedded flash memory",/* 2 */
- "rom(nvpsiz) + embedded flash (nvpsiz2)", /* 3 */
- "sram emulating flash", /* 4 */
- _unknown, /* 5 */
- _unknown, /* 6 */
- _unknown, /* 7 */
-};
-
-static const char *_yes_or_no(uint32_t v)
-{
- if (v)
- return "YES";
- else
- return "NO";
-}
-
-static const char *const _rc_freq[] = {
- "4 MHz", "8 MHz", "12 MHz", "reserved"
-};
-
-static void sam4_explain_ckgr_mor(struct sam4_chip *pChip)
-{
- uint32_t v;
- uint32_t rcen;
-
- v = sam4_reg_fieldname(pChip, "MOSCXTEN", pChip->cfg.CKGR_MOR, 0, 1);
- LOG_USER("(main xtal enabled: %s)", _yes_or_no(v));
- v = sam4_reg_fieldname(pChip, "MOSCXTBY", pChip->cfg.CKGR_MOR, 1, 1);
- LOG_USER("(main osc bypass: %s)", _yes_or_no(v));
- rcen = sam4_reg_fieldname(pChip, "MOSCRCEN", pChip->cfg.CKGR_MOR, 3, 1);
- LOG_USER("(onchip RC-OSC enabled: %s)", _yes_or_no(rcen));
- v = sam4_reg_fieldname(pChip, "MOSCRCF", pChip->cfg.CKGR_MOR, 4, 3);
- LOG_USER("(onchip RC-OSC freq: %s)", _rc_freq[v]);
-
- pChip->cfg.rc_freq = 0;
- if (rcen) {
- switch (v) {
- default:
- pChip->cfg.rc_freq = 0;
- break;
- case 0:
- pChip->cfg.rc_freq = 4 * 1000 * 1000;
- break;
- case 1:
- pChip->cfg.rc_freq = 8 * 1000 * 1000;
- break;
- case 2:
- pChip->cfg.rc_freq = 12 * 1000 * 1000;
- break;
- }
- }
-
- v = sam4_reg_fieldname(pChip, "MOSCXTST", pChip->cfg.CKGR_MOR, 8, 8);
- LOG_USER("(startup clks, time= %f uSecs)",
- ((float)(v * 1000000)) / ((float)(pChip->cfg.slow_freq)));
- v = sam4_reg_fieldname(pChip, "MOSCSEL", pChip->cfg.CKGR_MOR, 24, 1);
- LOG_USER("(mainosc source: %s)",
- v ? "external xtal" : "internal RC");
-
- v = sam4_reg_fieldname(pChip, "CFDEN", pChip->cfg.CKGR_MOR, 25, 1);
- LOG_USER("(clock failure enabled: %s)",
- _yes_or_no(v));
-}
-
-static void sam4_explain_chipid_cidr(struct sam4_chip *pChip)
-{
- int x;
- uint32_t v;
- const char *cp;
-
- sam4_reg_fieldname(pChip, "Version", pChip->cfg.CHIPID_CIDR, 0, 5);
- LOG_USER_N("\n");
-
- v = sam4_reg_fieldname(pChip, "EPROC", pChip->cfg.CHIPID_CIDR, 5, 3);
- LOG_USER("%s", eproc_names[v]);
-
- v = sam4_reg_fieldname(pChip, "NVPSIZE", pChip->cfg.CHIPID_CIDR, 8, 4);
- LOG_USER("%s", nvpsize[v]);
-
- v = sam4_reg_fieldname(pChip, "NVPSIZE2", pChip->cfg.CHIPID_CIDR, 12, 4);
- LOG_USER("%s", nvpsize2[v]);
-
- v = sam4_reg_fieldname(pChip, "SRAMSIZE", pChip->cfg.CHIPID_CIDR, 16, 4);
- LOG_USER("%s", sramsize[v]);
-
- v = sam4_reg_fieldname(pChip, "ARCH", pChip->cfg.CHIPID_CIDR, 20, 8);
- cp = _unknown;
- for (x = 0; archnames[x].name; x++) {
- if (v == archnames[x].value) {
- cp = archnames[x].name;
- break;
- }
- }
-
- LOG_USER("%s", cp);
-
- v = sam4_reg_fieldname(pChip, "NVPTYP", pChip->cfg.CHIPID_CIDR, 28, 3);
- LOG_USER("%s", nvptype[v]);
-
- v = sam4_reg_fieldname(pChip, "EXTID", pChip->cfg.CHIPID_CIDR, 31, 1);
- LOG_USER("(exists: %s)", _yes_or_no(v));
-}
-
-static void sam4_explain_ckgr_mcfr(struct sam4_chip *pChip)
-{
- uint32_t v;
-
- v = sam4_reg_fieldname(pChip, "MAINFRDY", pChip->cfg.CKGR_MCFR, 16, 1);
- LOG_USER("(main ready: %s)", _yes_or_no(v));
-
- v = sam4_reg_fieldname(pChip, "MAINF", pChip->cfg.CKGR_MCFR, 0, 16);
-
- v = (v * pChip->cfg.slow_freq) / 16;
- pChip->cfg.mainosc_freq = v;
-
- LOG_USER("(%3.03f Mhz (%" PRIu32 ".%03" PRIu32 "khz slowclk)",
- _tomhz(v),
- (uint32_t)(pChip->cfg.slow_freq / 1000),
- (uint32_t)(pChip->cfg.slow_freq % 1000));
-}
-
-static void sam4_explain_ckgr_plla(struct sam4_chip *pChip)
-{
- uint32_t mula, diva;
-
- diva = sam4_reg_fieldname(pChip, "DIVA", pChip->cfg.CKGR_PLLAR, 0, 8);
- LOG_USER_N("\n");
- mula = sam4_reg_fieldname(pChip, "MULA", pChip->cfg.CKGR_PLLAR, 16, 11);
- LOG_USER_N("\n");
- pChip->cfg.plla_freq = 0;
- if (mula == 0)
- LOG_USER("\tPLLA Freq: (Disabled,mula = 0)");
- else if (diva == 0)
- LOG_USER("\tPLLA Freq: (Disabled,diva = 0)");
- else if (diva >= 1) {
- pChip->cfg.plla_freq = (pChip->cfg.mainosc_freq * (mula + 1) / diva);
- LOG_USER("\tPLLA Freq: %3.03f MHz",
- _tomhz(pChip->cfg.plla_freq));
- }
-}
-
-static void sam4_explain_mckr(struct sam4_chip *pChip)
-{
- uint32_t css, pres, fin = 0;
- int pdiv = 0;
- const char *cp = NULL;
-
- css = sam4_reg_fieldname(pChip, "CSS", pChip->cfg.PMC_MCKR, 0, 2);
- switch (css & 3) {
- case 0:
- fin = pChip->cfg.slow_freq;
- cp = "slowclk";
- break;
- case 1:
- fin = pChip->cfg.mainosc_freq;
- cp = "mainosc";
- break;
- case 2:
- fin = pChip->cfg.plla_freq;
- cp = "plla";
- break;
- case 3:
- if (pChip->cfg.CKGR_UCKR & (1 << 16)) {
- fin = 480 * 1000 * 1000;
- cp = "upll";
- } else {
- fin = 0;
- cp = "upll (*ERROR* UPLL is disabled)";
- }
- break;
- default:
- assert(0);
- break;
- }
-
- LOG_USER("%s (%3.03f Mhz)",
- cp,
- _tomhz(fin));
- pres = sam4_reg_fieldname(pChip, "PRES", pChip->cfg.PMC_MCKR, 4, 3);
- switch (pres & 0x07) {
- case 0:
- pdiv = 1;
- cp = "selected clock";
- break;
- case 1:
- pdiv = 2;
- cp = "clock/2";
- break;
- case 2:
- pdiv = 4;
- cp = "clock/4";
- break;
- case 3:
- pdiv = 8;
- cp = "clock/8";
- break;
- case 4:
- pdiv = 16;
- cp = "clock/16";
- break;
- case 5:
- pdiv = 32;
- cp = "clock/32";
- break;
- case 6:
- pdiv = 64;
- cp = "clock/64";
- break;
- case 7:
- pdiv = 6;
- cp = "clock/6";
- break;
- default:
- assert(0);
- break;
- }
- LOG_USER("(%s)", cp);
- fin = fin / pdiv;
- /* sam4 has a *SINGLE* clock - */
- /* other at91 series parts have divisors for these. */
- pChip->cfg.cpu_freq = fin;
- pChip->cfg.mclk_freq = fin;
- pChip->cfg.fclk_freq = fin;
- LOG_USER("\t\tResult CPU Freq: %3.03f",
- _tomhz(fin));
-}
-
-#if 0
-static struct sam4_chip *target2sam4(struct target *pTarget)
-{
- struct sam4_chip *pChip;
-
- if (pTarget == NULL)
- return NULL;
-
- pChip = all_sam4_chips;
- while (pChip) {
- if (pChip->target == pTarget)
- break; /* return below */
- else
- pChip = pChip->next;
- }
- return pChip;
-}
-#endif
-
-static uint32_t *sam4_get_reg_ptr(struct sam4_cfg *pCfg, const struct sam4_reg_list *pList)
-{
- /* this function exists to help */
- /* keep funky offsetof() errors */
- /* and casting from causing bugs */
-
- /* By using prototypes - we can detect what would */
- /* be casting errors. */
-
- return (uint32_t *)(void *)(((char *)(pCfg)) + pList->struct_offset);
-}
-
-
-#define SAM4_ENTRY(NAME, FUNC) { .address = SAM4_ ## NAME, .struct_offset = offsetof( \
- struct sam4_cfg, \
- NAME), # NAME, FUNC }
-static const struct sam4_reg_list sam4_all_regs[] = {
- SAM4_ENTRY(CKGR_MOR, sam4_explain_ckgr_mor),
- SAM4_ENTRY(CKGR_MCFR, sam4_explain_ckgr_mcfr),
- SAM4_ENTRY(CKGR_PLLAR, sam4_explain_ckgr_plla),
- SAM4_ENTRY(CKGR_UCKR, NULL),
- SAM4_ENTRY(PMC_FSMR, NULL),
- SAM4_ENTRY(PMC_FSPR, NULL),
- SAM4_ENTRY(PMC_IMR, NULL),
- SAM4_ENTRY(PMC_MCKR, sam4_explain_mckr),
- SAM4_ENTRY(PMC_PCK0, NULL),
- SAM4_ENTRY(PMC_PCK1, NULL),
- SAM4_ENTRY(PMC_PCK2, NULL),
- SAM4_ENTRY(PMC_PCSR, NULL),
- SAM4_ENTRY(PMC_SCSR, NULL),
- SAM4_ENTRY(PMC_SR, NULL),
- SAM4_ENTRY(CHIPID_CIDR, sam4_explain_chipid_cidr),
- SAM4_ENTRY(CHIPID_EXID, NULL),
- /* TERMINATE THE LIST */
- { .name = NULL }
-};
-#undef SAM4_ENTRY
-
-static struct sam4_bank_private *get_sam4_bank_private(struct flash_bank *bank)
-{
- return bank->driver_priv;
-}
-
-/**
- * Given a pointer to where it goes in the structure,
- * determine the register name, address from the all registers table.
- */
-static const struct sam4_reg_list *sam4_GetReg(struct sam4_chip *pChip, uint32_t *goes_here)
-{
- const struct sam4_reg_list *pReg;
-
- pReg = &(sam4_all_regs[0]);
- while (pReg->name) {
- uint32_t *pPossible;
-
- /* calculate where this one go.. */
- /* it is "possibly" this register. */
-
- pPossible = ((uint32_t *)(void *)(((char *)(&(pChip->cfg))) + pReg->struct_offset));
-
- /* well? Is it this register */
- if (pPossible == goes_here) {
- /* Jump for joy! */
- return pReg;
- }
-
- /* next... */
- pReg++;
- }
- /* This is *TOTAL*PANIC* - we are totally screwed. */
- LOG_ERROR("INVALID SAM4 REGISTER");
- return NULL;
-}
-
-static int sam4_ReadThisReg(struct sam4_chip *pChip, uint32_t *goes_here)
-{
- const struct sam4_reg_list *pReg;
- int r;
-
- pReg = sam4_GetReg(pChip, goes_here);
- if (!pReg)
- return ERROR_FAIL;
-
- r = target_read_u32(pChip->target, pReg->address, goes_here);
- if (r != ERROR_OK) {
- LOG_ERROR("Cannot read SAM4 register: %s @ 0x%08x, Err: %d",
- pReg->name, (unsigned)(pReg->address), r);
- }
- return r;
-}
-
-static int sam4_ReadAllRegs(struct sam4_chip *pChip)
-{
- int r;
- const struct sam4_reg_list *pReg;
-
- pReg = &(sam4_all_regs[0]);
- while (pReg->name) {
- r = sam4_ReadThisReg(pChip,
- sam4_get_reg_ptr(&(pChip->cfg), pReg));
- if (r != ERROR_OK) {
- LOG_ERROR("Cannot read SAM4 register: %s @ 0x%08x, Error: %d",
- pReg->name, ((unsigned)(pReg->address)), r);
- return r;
- }
- pReg++;
- }
-
- return ERROR_OK;
-}
-
-static int sam4_GetInfo(struct sam4_chip *pChip)
-{
- const struct sam4_reg_list *pReg;
- uint32_t regval;
-
- pReg = &(sam4_all_regs[0]);
- while (pReg->name) {
- /* display all regs */
- LOG_DEBUG("Start: %s", pReg->name);
- regval = *sam4_get_reg_ptr(&(pChip->cfg), pReg);
- LOG_USER("%*s: [0x%08" PRIx32 "] -> 0x%08" PRIx32,
- REG_NAME_WIDTH,
- pReg->name,
- pReg->address,
- regval);
- if (pReg->explain_func)
- (*(pReg->explain_func))(pChip);
- LOG_DEBUG("End: %s", pReg->name);
- pReg++;
- }
- LOG_USER(" rc-osc: %3.03f MHz", _tomhz(pChip->cfg.rc_freq));
- LOG_USER(" mainosc: %3.03f MHz", _tomhz(pChip->cfg.mainosc_freq));
- LOG_USER(" plla: %3.03f MHz", _tomhz(pChip->cfg.plla_freq));
- LOG_USER(" cpu-freq: %3.03f MHz", _tomhz(pChip->cfg.cpu_freq));
- LOG_USER("mclk-freq: %3.03f MHz", _tomhz(pChip->cfg.mclk_freq));
-
- LOG_USER(" UniqueId: 0x%08" PRIx32 " 0x%08" PRIx32 " 0x%08" PRIx32 " 0x%08"PRIx32,
- pChip->cfg.unique_id[0],
- pChip->cfg.unique_id[1],
- pChip->cfg.unique_id[2],
- pChip->cfg.unique_id[3]);
-
- return ERROR_OK;
-}
-
-static int sam4_protect_check(struct flash_bank *bank)
-{
- int r;
- uint32_t v[4] = {0};
- unsigned x;
- struct sam4_bank_private *pPrivate;
-
- LOG_DEBUG("Begin");
- if (bank->target->state != TARGET_HALTED) {
- LOG_ERROR("Target not halted");
- return ERROR_TARGET_NOT_HALTED;
- }
-
- pPrivate = get_sam4_bank_private(bank);
- if (!pPrivate) {
- LOG_ERROR("no private for this bank?");
- return ERROR_FAIL;
- }
- if (!(pPrivate->probed))
- return ERROR_FLASH_BANK_NOT_PROBED;
-
- r = FLASHD_GetLockBits(pPrivate, v);
- if (r != ERROR_OK) {
- LOG_DEBUG("Failed: %d", r);
- return r;
- }
-
- for (x = 0; x < pPrivate->nsectors; x++)
- bank->sectors[x].is_protected = (!!(v[x >> 5] & (1 << (x % 32))));
- LOG_DEBUG("Done");
- return ERROR_OK;
-}
-
-FLASH_BANK_COMMAND_HANDLER(sam4_flash_bank_command)
-{
- struct sam4_chip *pChip;
-
- pChip = all_sam4_chips;
-
- /* is this an existing chip? */
- while (pChip) {
- if (pChip->target == bank->target)
- break;
- pChip = pChip->next;
- }
-
- if (!pChip) {
- /* this is a *NEW* chip */
- pChip = calloc(1, sizeof(struct sam4_chip));
- if (!pChip) {
- LOG_ERROR("NO RAM!");
- return ERROR_FAIL;
- }
- pChip->target = bank->target;
- /* insert at head */
- pChip->next = all_sam4_chips;
- all_sam4_chips = pChip;
- pChip->target = bank->target;
- /* assumption is this runs at 32khz */
- pChip->cfg.slow_freq = 32768;
- pChip->probed = 0;
- }
-
- switch (bank->base) {
- default:
- LOG_ERROR("Address 0x%08x invalid bank address (try 0x%08x"
- "[at91sam4s series] )",
- ((unsigned int)(bank->base)),
- ((unsigned int)(FLASH_BANK_BASE_S)));
- return ERROR_FAIL;
- break;
-
- /* at91sam4s series only has bank 0*/
- /* at91sam4sd series has the same address for bank 0 (FLASH_BANK0_BASE_SD)*/
- 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;
-
- /* Bank 1 of at91sam4sd series */
- case FLASH_BANK1_BASE_1024K_SD:
- case FLASH_BANK1_BASE_2048K_SD:
- bank->driver_priv = &(pChip->details.bank[1]);
- bank->bank_number = 1;
- pChip->details.bank[1].pChip = pChip;
- pChip->details.bank[1].pBank = bank;
- break;
- }
-
- /* we initialize after probing. */
- return ERROR_OK;
-}
-
-static int sam4_GetDetails(struct sam4_bank_private *pPrivate)
-{
- const struct sam4_chip_details *pDetails;
- struct sam4_chip *pChip;
- struct flash_bank *saved_banks[SAM4_MAX_FLASH_BANKS];
- unsigned x;
-
- LOG_DEBUG("Begin");
- pDetails = all_sam4_details;
- while (pDetails->name) {
- /* Compare cidr without version bits */
- if (pDetails->chipid_cidr == (pPrivate->pChip->cfg.CHIPID_CIDR & 0xFFFFFFE0))
- break;
- else
- pDetails++;
- }
- if (pDetails->name == NULL) {
- LOG_ERROR("SAM4 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("SAM4 CHIPID_CIDR: 0x%08" PRIx32 " decodes as follows",
- pPrivate->pChip->cfg.CHIPID_CIDR);
- sam4_explain_chipid_cidr(pPrivate->pChip);
- return ERROR_FAIL;
- }
-
- /* DANGER: THERE ARE DRAGONS HERE */
-
- /* get our pChip - it is going */
- /* to be over-written shortly */
- pChip = pPrivate->pChip;
-
- /* Note that, in reality: */
- /* */
- /* pPrivate = &(pChip->details.bank[0]) */
- /* or pPrivate = &(pChip->details.bank[1]) */
- /* */
-
- /* save the "bank" pointers */
- for (x = 0; x < SAM4_MAX_FLASH_BANKS; x++)
- saved_banks[x] = pChip->details.bank[x].pBank;
-
- /* Overwrite the "details" structure. */
- memcpy(&(pPrivate->pChip->details),
- pDetails,
- sizeof(pPrivate->pChip->details));
-
- /* now fix the ghosted pointers */
- for (x = 0; x < SAM4_MAX_FLASH_BANKS; x++) {
- pChip->details.bank[x].pChip = pChip;
- pChip->details.bank[x].pBank = saved_banks[x];
- }
-
- /* update the *BANK*SIZE* */
-
- LOG_DEBUG("End");
- return ERROR_OK;
-}
-
-static int _sam4_probe(struct flash_bank *bank, int noise)
-{
- unsigned x;
- int r;
- struct sam4_bank_private *pPrivate;
-
-
- LOG_DEBUG("Begin: Bank: %d, Noise: %d", bank->bank_number, noise);
- if (bank->target->state != TARGET_HALTED) {
- LOG_ERROR("Target not halted");
- return ERROR_TARGET_NOT_HALTED;
- }
-
- pPrivate = get_sam4_bank_private(bank);
- if (!pPrivate) {
- LOG_ERROR("Invalid/unknown bank number");
- return ERROR_FAIL;
- }
-
- r = sam4_ReadAllRegs(pPrivate->pChip);
- if (r != ERROR_OK)
- return r;
-
- LOG_DEBUG("Here");
- if (pPrivate->pChip->probed)
- r = sam4_GetInfo(pPrivate->pChip);
- else
- r = sam4_GetDetails(pPrivate);
- if (r != ERROR_OK)
- return r;
-
- /* update the flash bank size */
- for (x = 0; x < SAM4_MAX_FLASH_BANKS; x++) {
- if (bank->base == pPrivate->pChip->details.bank[x].base_address) {
- bank->size = pPrivate->pChip->details.bank[x].size_bytes;
- break;
- }
- }
-
- if (bank->sectors == NULL) {
- bank->sectors = calloc(pPrivate->nsectors, (sizeof((bank->sectors)[0])));
- if (bank->sectors == NULL) {
- LOG_ERROR("No memory!");
- return ERROR_FAIL;
- }
- bank->num_sectors = pPrivate->nsectors;
-
- for (x = 0; ((int)(x)) < bank->num_sectors; x++) {
- bank->sectors[x].size = pPrivate->sector_size;
- bank->sectors[x].offset = x * (pPrivate->sector_size);
- /* mark as unknown */
- bank->sectors[x].is_erased = -1;
- bank->sectors[x].is_protected = -1;
- }
- }
-
- pPrivate->probed = 1;
-
- r = sam4_protect_check(bank);
- if (r != ERROR_OK)
- return r;
-
- LOG_DEBUG("Bank = %d, nbanks = %d",
- pPrivate->bank_number, pPrivate->pChip->details.n_banks);
- if ((pPrivate->bank_number + 1) == pPrivate->pChip->details.n_banks) {
- /* read unique id, */
- /* it appears to be associated with the *last* flash bank. */
- FLASHD_ReadUniqueID(pPrivate);
- }
-
- return r;
-}
-
-static int sam4_probe(struct flash_bank *bank)
-{
- return _sam4_probe(bank, 1);
-}
-
-static int sam4_auto_probe(struct flash_bank *bank)
-{
- return _sam4_probe(bank, 0);
-}
-
-static int sam4_erase(struct flash_bank *bank, int first, int last)
-{
- struct sam4_bank_private *pPrivate;
- int r;
- int i;
- int pageCount;
- /*16 pages equals 8KB - Same size as a lock region*/
- pageCount = 16;
- uint32_t status;
-
- LOG_DEBUG("Here");
- if (bank->target->state != TARGET_HALTED) {
- LOG_ERROR("Target not halted");
- return ERROR_TARGET_NOT_HALTED;
- }
-
- r = sam4_auto_probe(bank);
- if (r != ERROR_OK) {
- LOG_DEBUG("Here,r=%d", r);
- return r;
- }
-
- pPrivate = get_sam4_bank_private(bank);
- if (!(pPrivate->probed))
- return ERROR_FLASH_BANK_NOT_PROBED;
-
- if ((first == 0) && ((last + 1) == ((int)(pPrivate->nsectors)))) {
- /* whole chip */
- LOG_DEBUG("Here");
- return FLASHD_EraseEntireBank(pPrivate);
- }
- LOG_INFO("sam4 does not auto-erase while programming (Erasing relevant sectors)");
- LOG_INFO("sam4 First: 0x%08x Last: 0x%08x", (unsigned int)(first), (unsigned int)(last));
- for (i = first; i <= last; i++) {
- /*16 pages equals 8KB - Same size as a lock region*/
- r = FLASHD_ErasePages(pPrivate, (i * pageCount), pageCount, &status);
- LOG_INFO("Erasing sector: 0x%08x", (unsigned int)(i));
- if (r != ERROR_OK)
- LOG_ERROR("SAM4: Error performing Erase page @ lock region number %d",
- (unsigned int)(i));
- if (status & (1 << 2)) {
- LOG_ERROR("SAM4: Lock Region %d is locked", (unsigned int)(i));
- return ERROR_FAIL;
- }
- if (status & (1 << 1)) {
- LOG_ERROR("SAM4: Flash Command error @lock region %d", (unsigned int)(i));
- return ERROR_FAIL;
- }
- }
-
- return ERROR_OK;
-}
-
-static int sam4_protect(struct flash_bank *bank, int set, int first, int last)
-{
- struct sam4_bank_private *pPrivate;
- int r;
-
- LOG_DEBUG("Here");
- if (bank->target->state != TARGET_HALTED) {
- LOG_ERROR("Target not halted");
- return ERROR_TARGET_NOT_HALTED;
- }
-
- pPrivate = get_sam4_bank_private(bank);
- if (!(pPrivate->probed))
- return ERROR_FLASH_BANK_NOT_PROBED;
-
- if (set)
- r = FLASHD_Lock(pPrivate, (unsigned)(first), (unsigned)(last));
- else
- r = FLASHD_Unlock(pPrivate, (unsigned)(first), (unsigned)(last));
- LOG_DEBUG("End: r=%d", r);
-
- return r;
-
-}
-
-static int sam4_page_read(struct sam4_bank_private *pPrivate, unsigned pagenum, uint8_t *buf)
-{
- uint32_t adr;
- int r;
-
- adr = pagenum * pPrivate->page_size;
- adr = adr + pPrivate->base_address;
-
- r = target_read_memory(pPrivate->pChip->target,
- adr,
- 4, /* THIS*MUST*BE* in 32bit values */
- pPrivate->page_size / 4,
- buf);
- if (r != ERROR_OK)
- LOG_ERROR("SAM4: Flash program failed to read page phys address: 0x%08x",
- (unsigned int)(adr));
- return r;
-}
-
-static int sam4_page_write(struct sam4_bank_private *pPrivate, unsigned pagenum, const uint8_t *buf)
-{
- uint32_t adr;
- uint32_t status;
- uint32_t fmr; /* EEFC Flash Mode Register */
- int r;
-
- adr = pagenum * pPrivate->page_size;
- adr = (adr + pPrivate->base_address);
-
- /* Get flash mode register value */
- r = target_read_u32(pPrivate->pChip->target, pPrivate->controller_address, &fmr);
- if (r != ERROR_OK)
- LOG_DEBUG("Error Read failed: read flash mode register");
-
- /* Clear flash wait state field */
- fmr &= 0xfffff0ff;
-
- /* set FWS (flash wait states) field in the FMR (flash mode register) */
- fmr |= (pPrivate->flash_wait_states << 8);
-
- LOG_DEBUG("Flash Mode: 0x%08x", ((unsigned int)(fmr)));
- r = target_write_u32(pPrivate->pBank->target, pPrivate->controller_address, fmr);
- if (r != ERROR_OK)
- LOG_DEBUG("Error Write failed: set flash mode register");
-
- /* 1st sector 8kBytes - page 0 - 15*/
- /* 2nd sector 8kBytes - page 16 - 30*/
- /* 3rd sector 48kBytes - page 31 - 127*/
- LOG_DEBUG("Wr Page %u @ phys address: 0x%08x", pagenum, (unsigned int)(adr));
- r = target_write_memory(pPrivate->pChip->target,
- adr,
- 4, /* THIS*MUST*BE* in 32bit values */
- pPrivate->page_size / 4,
- buf);
- if (r != ERROR_OK) {
- LOG_ERROR("SAM4: Failed to write (buffer) page at phys address 0x%08x",
- (unsigned int)(adr));
- return r;
- }
-
- r = EFC_PerformCommand(pPrivate,
- /* send Erase & Write Page */
- AT91C_EFC_FCMD_WP, /*AT91C_EFC_FCMD_EWP only works on first two 8kb sectors*/
- pagenum,
- &status);
-
- if (r != ERROR_OK)
- LOG_ERROR("SAM4: Error performing Write page @ phys address 0x%08x",
- (unsigned int)(adr));
- if (status & (1 << 2)) {
- LOG_ERROR("SAM4: Page @ Phys address 0x%08x is locked", (unsigned int)(adr));
- return ERROR_FAIL;
- }
- if (status & (1 << 1)) {
- LOG_ERROR("SAM4: Flash Command error @phys address 0x%08x", (unsigned int)(adr));
- return ERROR_FAIL;
- }
- return ERROR_OK;
-}
-
-static int sam4_write(struct flash_bank *bank,
- const uint8_t *buffer,
- uint32_t offset,
- uint32_t count)
-{
- int n;
- unsigned page_cur;
- unsigned page_end;
- int r;
- unsigned page_offset;
- struct sam4_bank_private *pPrivate;
- uint8_t *pagebuffer;
-
- /* incase we bail further below, set this to null */
- pagebuffer = NULL;
-
- /* ignore dumb requests */
- if (count == 0) {
- r = ERROR_OK;
- goto done;
- }
-
- if (bank->target->state != TARGET_HALTED) {
- LOG_ERROR("Target not halted");
- r = ERROR_TARGET_NOT_HALTED;
- goto done;
- }
-
- pPrivate = get_sam4_bank_private(bank);
- if (!(pPrivate->probed)) {
- r = ERROR_FLASH_BANK_NOT_PROBED;
- goto done;
- }
-
- if ((offset + count) > pPrivate->size_bytes) {
- LOG_ERROR("Flash write error - past end of bank");
- LOG_ERROR(" offset: 0x%08x, count 0x%08x, BankEnd: 0x%08x",
- (unsigned int)(offset),
- (unsigned int)(count),
- (unsigned int)(pPrivate->size_bytes));
- r = ERROR_FAIL;
- goto done;
- }
-
- pagebuffer = malloc(pPrivate->page_size);
- if (!pagebuffer) {
- LOG_ERROR("No memory for %d Byte page buffer", (int)(pPrivate->page_size));
- r = ERROR_FAIL;
- goto done;
- }
-
- /* what page do we start & end in? */
- page_cur = offset / pPrivate->page_size;
- page_end = (offset + count - 1) / pPrivate->page_size;
-
- LOG_DEBUG("Offset: 0x%08x, Count: 0x%08x", (unsigned int)(offset), (unsigned int)(count));
- LOG_DEBUG("Page start: %d, Page End: %d", (int)(page_cur), (int)(page_end));
-
- /* Special case: all one page */
- /* */
- /* Otherwise: */
- /* (1) non-aligned start */
- /* (2) body pages */
- /* (3) non-aligned end. */
-
- /* Handle special case - all one page. */
- if (page_cur == page_end) {
- LOG_DEBUG("Special case, all in one page");
- r = sam4_page_read(pPrivate, page_cur, pagebuffer);
- if (r != ERROR_OK)
- goto done;
-
- page_offset = (offset & (pPrivate->page_size-1));
- memcpy(pagebuffer + page_offset,
- buffer,
- count);
-
- r = sam4_page_write(pPrivate, page_cur, pagebuffer);
- if (r != ERROR_OK)
- goto done;
- r = ERROR_OK;
- goto done;
- }
-
- /* non-aligned start */
- page_offset = offset & (pPrivate->page_size - 1);
- if (page_offset) {
- LOG_DEBUG("Not-Aligned start");
- /* read the partial */
- r = sam4_page_read(pPrivate, page_cur, pagebuffer);
- if (r != ERROR_OK)
- goto done;
-
- /* over-write with new data */
- n = (pPrivate->page_size - page_offset);
- memcpy(pagebuffer + page_offset,
- buffer,
- n);
-
- r = sam4_page_write(pPrivate, page_cur, pagebuffer);
- if (r != ERROR_OK)
- goto done;
-
- count -= n;
- offset += n;
- buffer += n;
- page_cur++;
- }
-
- /* By checking that offset is correct here, we also
- fix a clang warning */
- assert(offset % pPrivate->page_size == 0);
-
- /* intermediate large pages */
- /* also - the final *terminal* */
- /* if that terminal page is a full page */
- LOG_DEBUG("Full Page Loop: cur=%d, end=%d, count = 0x%08x",
- (int)page_cur, (int)page_end, (unsigned int)(count));
-
- while ((page_cur < page_end) &&
- (count >= pPrivate->page_size)) {
- r = sam4_page_write(pPrivate, page_cur, buffer);
- if (r != ERROR_OK)
- goto done;
- count -= pPrivate->page_size;
- buffer += pPrivate->page_size;
- page_cur += 1;
- }
-
- /* terminal partial page? */
- if (count) {
- LOG_DEBUG("Terminal partial page, count = 0x%08x", (unsigned int)(count));
- /* we have a partial page */
- r = sam4_page_read(pPrivate, page_cur, pagebuffer);
- if (r != ERROR_OK)
- goto done;
- /* data goes at start */
- memcpy(pagebuffer, buffer, count);
- r = sam4_page_write(pPrivate, page_cur, pagebuffer);
- if (r != ERROR_OK)
- goto done;
- }
- LOG_DEBUG("Done!");
- r = ERROR_OK;
-done:
- if (pagebuffer)
- free(pagebuffer);
- return r;
-}
-
-COMMAND_HANDLER(sam4_handle_info_command)
-{
- struct sam4_chip *pChip;
- pChip = get_current_sam4(CMD_CTX);
- if (!pChip)
- return ERROR_OK;
-
- unsigned x;
- int r;
-
- /* bank0 must exist before we can do anything */
- if (pChip->details.bank[0].pBank == NULL) {
- x = 0;
-need_define:
- command_print(CMD_CTX,
- "Please define bank %d via command: flash bank %s ... ",
- x,
- at91sam4_flash.name);
- return ERROR_FAIL;
- }
-
- /* if bank 0 is not probed, then probe it */
- if (!(pChip->details.bank[0].probed)) {
- r = sam4_auto_probe(pChip->details.bank[0].pBank);
- if (r != ERROR_OK)
- return ERROR_FAIL;
- }
- /* above guarantees the "chip details" structure is valid */
- /* and thus, bank private areas are valid */
- /* and we have a SAM4 chip, what a concept! */
-
- /* auto-probe other banks, 0 done above */
- for (x = 1; x < SAM4_MAX_FLASH_BANKS; x++) {
- /* skip banks not present */
- if (!(pChip->details.bank[x].present))
- continue;
-
- if (pChip->details.bank[x].pBank == NULL)
- goto need_define;
-
- if (pChip->details.bank[x].probed)
- continue;
-
- r = sam4_auto_probe(pChip->details.bank[x].pBank);
- if (r != ERROR_OK)
- return r;
- }
-
- r = sam4_GetInfo(pChip);
- if (r != ERROR_OK) {
- LOG_DEBUG("Sam4Info, Failed %d", r);
- return r;
- }
-
- return ERROR_OK;
-}
-
-COMMAND_HANDLER(sam4_handle_gpnvm_command)
-{
- unsigned x, v;
- int r, who;
- struct sam4_chip *pChip;
-
- pChip = get_current_sam4(CMD_CTX);
- if (!pChip)
- return ERROR_OK;
-
- if (pChip->target->state != TARGET_HALTED) {
- LOG_ERROR("sam4 - target not halted");
- return ERROR_TARGET_NOT_HALTED;
- }
-
- if (pChip->details.bank[0].pBank == NULL) {
- command_print(CMD_CTX, "Bank0 must be defined first via: flash bank %s ...",
- at91sam4_flash.name);
- return ERROR_FAIL;
- }
- if (!pChip->details.bank[0].probed) {
- r = sam4_auto_probe(pChip->details.bank[0].pBank);
- if (r != ERROR_OK)
- return r;
- }
-
- switch (CMD_ARGC) {
- default:
- return ERROR_COMMAND_SYNTAX_ERROR;
- break;
- case 0:
- goto showall;
- break;
- case 1:
- who = -1;
- break;
- case 2:
- if ((0 == strcmp(CMD_ARGV[0], "show")) && (0 == strcmp(CMD_ARGV[1], "all")))
- who = -1;
- else {
- uint32_t v32;
- COMMAND_PARSE_NUMBER(u32, CMD_ARGV[1], v32);
- who = v32;
- }
- break;
- }
-
- if (0 == strcmp("show", CMD_ARGV[0])) {
- if (who == -1) {
-showall:
- r = ERROR_OK;
- for (x = 0; x < pChip->details.n_gpnvms; x++) {
- r = FLASHD_GetGPNVM(&(pChip->details.bank[0]), x, &v);
- if (r != ERROR_OK)
- break;
- command_print(CMD_CTX, "sam4-gpnvm%u: %u", x, v);
- }
- return r;
- }
- if ((who >= 0) && (((unsigned)(who)) < pChip->details.n_gpnvms)) {
- r = FLASHD_GetGPNVM(&(pChip->details.bank[0]), who, &v);
- command_print(CMD_CTX, "sam4-gpnvm%u: %u", who, v);
- return r;
- } else {
- command_print(CMD_CTX, "sam4-gpnvm invalid GPNVM: %u", who);
- return ERROR_COMMAND_SYNTAX_ERROR;
- }
- }
-
- if (who == -1) {
- command_print(CMD_CTX, "Missing GPNVM number");
- return ERROR_COMMAND_SYNTAX_ERROR;
- }
-
- if (0 == strcmp("set", CMD_ARGV[0]))
- r = FLASHD_SetGPNVM(&(pChip->details.bank[0]), who);
- else if ((0 == strcmp("clr", CMD_ARGV[0])) ||
- (0 == strcmp("clear", CMD_ARGV[0]))) /* quietly accept both */
- r = FLASHD_ClrGPNVM(&(pChip->details.bank[0]), who);
- else {
- command_print(CMD_CTX, "Unknown command: %s", CMD_ARGV[0]);
- r = ERROR_COMMAND_SYNTAX_ERROR;
- }
- return r;
-}
-
-COMMAND_HANDLER(sam4_handle_slowclk_command)
-{
- struct sam4_chip *pChip;
-
- pChip = get_current_sam4(CMD_CTX);
- if (!pChip)
- return ERROR_OK;
-
- switch (CMD_ARGC) {
- case 0:
- /* show */
- break;
- case 1:
- {
- /* set */
- uint32_t v;
- COMMAND_PARSE_NUMBER(u32, CMD_ARGV[0], v);
- if (v > 200000) {
- /* absurd slow clock of 200Khz? */
- command_print(CMD_CTX, "Absurd/illegal slow clock freq: %d\n", (int)(v));
- return ERROR_COMMAND_SYNTAX_ERROR;
- }
- pChip->cfg.slow_freq = v;
- break;
- }
- default:
- /* error */
- command_print(CMD_CTX, "Too many parameters");
- return ERROR_COMMAND_SYNTAX_ERROR;
- break;
- }
- command_print(CMD_CTX, "Slowclk freq: %d.%03dkhz",
- (int)(pChip->cfg.slow_freq / 1000),
- (int)(pChip->cfg.slow_freq % 1000));
- return ERROR_OK;
-}
-
-static const struct command_registration at91sam4_exec_command_handlers[] = {
- {
- .name = "gpnvm",
- .handler = sam4_handle_gpnvm_command,
- .mode = COMMAND_EXEC,
- .usage = "[('clr'|'set'|'show') bitnum]",
- .help = "Without arguments, shows all bits in the gpnvm "
- "register. Otherwise, clears, sets, or shows one "
- "General Purpose Non-Volatile Memory (gpnvm) bit.",
- },
- {
- .name = "info",
- .handler = sam4_handle_info_command,
- .mode = COMMAND_EXEC,
- .help = "Print information about the current at91sam4 chip"
- "and its flash configuration.",
- },
- {
- .name = "slowclk",
- .handler = sam4_handle_slowclk_command,
- .mode = COMMAND_EXEC,
- .usage = "[clock_hz]",
- .help = "Display or set the slowclock frequency "
- "(default 32768 Hz).",
- },
- COMMAND_REGISTRATION_DONE
-};
-static const struct command_registration at91sam4_command_handlers[] = {
- {
- .name = "at91sam4",
- .mode = COMMAND_ANY,
- .help = "at91sam4 flash command group",
- .usage = "",
- .chain = at91sam4_exec_command_handlers,
- },
- COMMAND_REGISTRATION_DONE
-};
-
-struct flash_driver at91sam4_flash = {
- .name = "at91sam4",
- .commands = at91sam4_command_handlers,
- .flash_bank_command = sam4_flash_bank_command,
- .erase = sam4_erase,
- .protect = sam4_protect,
- .write = sam4_write,
- .read = default_flash_read,
- .probe = sam4_probe,
- .auto_probe = sam4_auto_probe,
- .erase_check = default_flash_blank_check,
- .protect_check = sam4_protect_check,
-};