#endif
#include "imp.h"
-#include "at91sam7.h"
#include <helper/binarybuffer.h>
+
+/* AT91SAM7 control registers */
+#define DBGU_CIDR 0xFFFFF240
+#define CKGR_MCFR 0xFFFFFC24
+#define CKGR_MOR 0xFFFFFC20
+#define CKGR_MCFR_MAINRDY 0x10000
+#define CKGR_PLLR 0xFFFFFC2c
+#define CKGR_PLLR_DIV 0xff
+#define CKGR_PLLR_MUL 0x07ff0000
+#define PMC_MCKR 0xFFFFFC30
+#define PMC_MCKR_CSS 0x03
+#define PMC_MCKR_PRES 0x1c
+
+/* Flash Controller Commands */
+#define WP 0x01
+#define SLB 0x02
+#define WPL 0x03
+#define CLB 0x04
+#define EA 0x08
+#define SGPB 0x0B
+#define CGPB 0x0D
+#define SSB 0x0F
+
+/* MC_FSR bit definitions */
+#define MC_FSR_FRDY 1
+#define MC_FSR_EOL 2
+
+/* AT91SAM7 constants */
+#define RC_FREQ 32000
+
+/* Flash timing modes */
+#define FMR_TIMING_NONE 0
+#define FMR_TIMING_NVBITS 1
+#define FMR_TIMING_FLASH 2
+
+/* Flash size constants */
+#define FLASH_SIZE_8KB 1
+#define FLASH_SIZE_16KB 2
+#define FLASH_SIZE_32KB 3
+#define FLASH_SIZE_64KB 5
+#define FLASH_SIZE_128KB 7
+#define FLASH_SIZE_256KB 9
+#define FLASH_SIZE_512KB 10
+#define FLASH_SIZE_1024KB 12
+#define FLASH_SIZE_2048KB 14
+
+
static int at91sam7_protect_check(struct flash_bank *bank);
static int at91sam7_write(struct flash_bank *bank, uint8_t *buffer, uint32_t offset, uint32_t count);
static char * EPROC[8]= {"Unknown","ARM946-E","ARM7TDMI","Unknown","ARM920T","ARM926EJ-S","Unknown","Unknown"};
+struct at91sam7_flash_bank
+{
+ /* chip id register */
+ uint32_t cidr;
+ uint16_t cidr_ext;
+ uint16_t cidr_nvptyp;
+ uint16_t cidr_arch;
+ uint16_t cidr_sramsiz;
+ uint16_t cidr_nvpsiz;
+ uint16_t cidr_nvpsiz2;
+ uint16_t cidr_eproc;
+ uint16_t cidr_version;
+ const char *target_name;
+
+ /* flash auto-detection */
+ uint8_t flash_autodetection;
+
+ /* flash geometry */
+ uint16_t pages_per_sector;
+ uint16_t pagesize;
+ uint16_t pages_in_lockregion;
+
+ /* nv memory bits */
+ uint16_t num_lockbits_on;
+ uint16_t lockbits;
+ uint16_t num_nvmbits;
+ uint16_t num_nvmbits_on;
+ uint16_t nvmbits;
+ uint8_t securitybit;
+
+ /* 0: not init
+ * 1: fmcn for nvbits (1uS)
+ * 2: fmcn for flash (1.5uS) */
+ uint8_t flashmode;
+
+ /* main clock status */
+ uint8_t mck_valid;
+ uint32_t mck_freq;
+
+ /* external clock frequency */
+ uint32_t ext_freq;
+
+};
+
#if 0
static long SRAMSIZ[16] = {
-1,
{
if (bnk > 0)
{
- /* create a new flash bank element */
- struct flash_bank *fb = malloc(sizeof(struct flash_bank));
- fb->target = target;
- fb->driver = bank->driver;
- fb->driver_priv = malloc(sizeof(struct at91sam7_flash_bank));
- fb->next = NULL;
-
- /* link created bank in 'flash_banks' list and redirect t_bank */
- t_bank->next = fb;
- t_bank = fb;
+ if (!t_bank->next) {
+ /* create a new flash bank element */
+ struct flash_bank *fb = malloc(sizeof(struct flash_bank));
+ fb->target = target;
+ fb->driver = bank->driver;
+ fb->driver_priv = malloc(sizeof(struct at91sam7_flash_bank));
+ fb->name = "sam7_probed";
+ fb->next = NULL;
+
+ /* link created bank in 'flash_banks' list */
+ t_bank->next = fb;
+ }
+ t_bank = t_bank->next;
}
t_bank->bank_number = bnk;
{
if (bnk > 0)
{
- /* create a new bank element */
- struct flash_bank *fb = malloc(sizeof(struct flash_bank));
- fb->target = target;
- fb->driver = bank->driver;
- fb->driver_priv = malloc(sizeof(struct at91sam7_flash_bank));
- fb->next = NULL;
-
- /* link created bank in 'flash_banks' list and redirect t_bank */
- t_bank->next = fb;
- t_bank = fb;
+ if (!t_bank->next) {
+ /* create a new bank element */
+ struct flash_bank *fb = malloc(sizeof(struct flash_bank));
+ fb->target = target;
+ fb->driver = bank->driver;
+ fb->driver_priv = malloc(sizeof(struct at91sam7_flash_bank));
+ fb->name = "sam7_probed";
+ fb->next = NULL;
+
+ /* link created bank in 'flash_banks' list */
+ t_bank->next = fb;
+ }
+ t_bank = t_bank->next;
}
t_bank->bank_number = bnk;
buf += printed;
buf_size -= printed;
- printed = snprintf(buf, buf_size,
+ snprintf(buf, buf_size,
" Securitybit: %i | Nvmbits(%i): %i 0x%1.1x\n",
at91sam7_info->securitybit, at91sam7_info->num_nvmbits,
at91sam7_info->num_nvmbits_on, at91sam7_info->nvmbits);
- buf += printed;
- buf_size -= printed;
-
return ERROR_OK;
}
if (CMD_ARGC != 2)
{
- command_print(CMD_CTX, "at91sam7 gpnvm <bit> <set | clear>");
- return ERROR_OK;
+ return ERROR_COMMAND_SYNTAX_ERROR;
}
bank = get_flash_bank_by_num_noprobe(0);
/* GPNVM and SECURITY bits apply only for MC_FSR of EFC0 */
status = at91sam7_get_flash_status(bank->target, 0);
- LOG_DEBUG("at91sam7_handle_gpnvm_command: cmd 0x%x, value %d, status 0x%" PRIx32 " \n", flashcmd, bit, status);
+ LOG_DEBUG("at91sam7_handle_gpnvm_command: cmd 0x%x, value %d, status 0x%" PRIx32, flashcmd, bit, status);
/* check protect state */
at91sam7_protect_check(bank);
.name = "at91sam7",
.mode = COMMAND_ANY,
.help = "at91sam7 flash command group",
+ .usage = "",
.chain = at91sam7_exec_command_handlers,
},
COMMAND_REGISTRATION_DONE
struct flash_driver at91sam7_flash = {
.name = "at91sam7",
+ .usage = "gpnvm <bit> <set | clear>",
.commands = at91sam7_command_handlers,
.flash_bank_command = at91sam7_flash_bank_command,
.erase = at91sam7_erase,
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