#include <unistd.h>
#define DID0_VER(did0) ((did0>>28)&0x07)
-int stellaris_register_commands(struct command_context_s *cmd_ctx);
-int stellaris_flash_bank_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc, struct flash_bank_s *bank);
-int stellaris_erase(struct flash_bank_s *bank, int first, int last);
-int stellaris_protect(struct flash_bank_s *bank, int set, int first, int last);
-int stellaris_write(struct flash_bank_s *bank, u8 *buffer, u32 offset, u32 count);
-int stellaris_auto_probe(struct flash_bank_s *bank);
-int stellaris_probe(struct flash_bank_s *bank);
-int stellaris_protect_check(struct flash_bank_s *bank);
-int stellaris_info(struct flash_bank_s *bank, char *buf, int buf_size);
-
-int stellaris_read_part_info(struct flash_bank_s *bank);
-u32 stellaris_get_flash_status(flash_bank_t *bank);
-void stellaris_set_flash_mode(flash_bank_t *bank,int mode);
-u32 stellaris_wait_status_busy(flash_bank_t *bank, u32 waitbits, int timeout);
-
-int stellaris_read_part_info(struct flash_bank_s *bank);
-int stellaris_handle_mass_erase_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
-int stellaris_mass_erase(struct flash_bank_s *bank);
+static int stellaris_register_commands(struct command_context_s *cmd_ctx);
+static int stellaris_flash_bank_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc, struct flash_bank_s *bank);
+static int stellaris_erase(struct flash_bank_s *bank, int first, int last);
+static int stellaris_protect(struct flash_bank_s *bank, int set, int first, int last);
+static int stellaris_write(struct flash_bank_s *bank, u8 *buffer, u32 offset, u32 count);
+static int stellaris_auto_probe(struct flash_bank_s *bank);
+static int stellaris_probe(struct flash_bank_s *bank);
+static int stellaris_protect_check(struct flash_bank_s *bank);
+static int stellaris_info(struct flash_bank_s *bank, char *buf, int buf_size);
+
+static int stellaris_read_part_info(struct flash_bank_s *bank);
+static u32 stellaris_get_flash_status(flash_bank_t *bank);
+static void stellaris_set_flash_mode(flash_bank_t *bank,int mode);
+//static u32 stellaris_wait_status_busy(flash_bank_t *bank, u32 waitbits, int timeout);
+
+static int stellaris_handle_mass_erase_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
+static int stellaris_mass_erase(struct flash_bank_s *bank);
flash_driver_t stellaris_flash =
{
.info = stellaris_info
};
-struct {
+static struct {
u32 partno;
char *partname;
} StellarisParts[] =
{0,"Unknown part"}
};
-char * StellarisClassname[5] =
+static char * StellarisClassname[5] =
{
"Sandstorm",
"Fury",
/* flash_bank stellaris <base> <size> 0 0 <target#>
*/
-int stellaris_flash_bank_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc, struct flash_bank_s *bank)
+static int stellaris_flash_bank_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc, struct flash_bank_s *bank)
{
stellaris_flash_bank_t *stellaris_info;
return ERROR_OK;
}
-int stellaris_register_commands(struct command_context_s *cmd_ctx)
+static int stellaris_register_commands(struct command_context_s *cmd_ctx)
{
command_t *stm32x_cmd = register_command(cmd_ctx, NULL, "stellaris", NULL, COMMAND_ANY, "stellaris flash specific commands");
return ERROR_OK;
}
-int stellaris_info(struct flash_bank_s *bank, char *buf, int buf_size)
+static int stellaris_info(struct flash_bank_s *bank, char *buf, int buf_size)
{
int printed, device_class;
stellaris_flash_bank_t *stellaris_info = bank->driver_priv;
* chip identification and status *
***************************************************************************/
-u32 stellaris_get_flash_status(flash_bank_t *bank)
+static u32 stellaris_get_flash_status(flash_bank_t *bank)
{
target_t *target = bank->target;
u32 fmc;
/** Read clock configuration and set stellaris_info->usec_clocks*/
-void stellaris_read_clock_info(flash_bank_t *bank)
+static void stellaris_read_clock_info(flash_bank_t *bank)
{
stellaris_flash_bank_t *stellaris_info = bank->driver_priv;
target_t *target = bank->target;
}
/* Setup the timimg registers */
-void stellaris_set_flash_mode(flash_bank_t *bank,int mode)
+static void stellaris_set_flash_mode(flash_bank_t *bank,int mode)
{
stellaris_flash_bank_t *stellaris_info = bank->driver_priv;
target_t *target = bank->target;
target_write_u32(target, SCB_BASE|USECRL, usecrl);
}
-u32 stellaris_wait_status_busy(flash_bank_t *bank, u32 waitbits, int timeout)
+#if 0
+static u32 stellaris_wait_status_busy(flash_bank_t *bank, u32 waitbits, int timeout)
{
u32 status;
}
/* Send one command to the flash controller */
-int stellaris_flash_command(struct flash_bank_s *bank,u8 cmd,u16 pagen)
+static int stellaris_flash_command(struct flash_bank_s *bank,u8 cmd,u16 pagen)
{
u32 fmc;
target_t *target = bank->target;
return ERROR_OK;
}
+#endif
/* Read device id register, main clock frequency register and fill in driver info structure */
-int stellaris_read_part_info(struct flash_bank_s *bank)
+static int stellaris_read_part_info(struct flash_bank_s *bank)
{
stellaris_flash_bank_t *stellaris_info = bank->driver_priv;
target_t *target = bank->target;
* flash operations *
***************************************************************************/
-int stellaris_protect_check(struct flash_bank_s *bank)
+static int stellaris_protect_check(struct flash_bank_s *bank)
{
u32 status;
return ERROR_OK;
}
-int stellaris_erase(struct flash_bank_s *bank, int first, int last)
+static int stellaris_erase(struct flash_bank_s *bank, int first, int last)
{
int banknr;
u32 flash_fmc, flash_cris;
return ERROR_FLASH_OPERATION_FAILED;
}
- if ((first < 0) || (last < first) || (last >= stellaris_info->num_pages))
+ if ((first < 0) || (last < first) || (last >= (int)stellaris_info->num_pages))
{
return ERROR_FLASH_SECTOR_INVALID;
}
- if ((first == 0) && (last == (stellaris_info->num_pages-1)))
+ if ((first == 0) && (last == ((int)stellaris_info->num_pages-1)))
{
return stellaris_mass_erase(bank);
}
return ERROR_OK;
}
-int stellaris_protect(struct flash_bank_s *bank, int set, int first, int last)
+static int stellaris_protect(struct flash_bank_s *bank, int set, int first, int last)
{
u32 fmppe, flash_fmc, flash_cris;
int lockregion;
return ERROR_OK;
}
-u8 stellaris_write_code[] =
+static u8 stellaris_write_code[] =
{
/*
Call with :
0x01,0x00,0x42,0xA4 /* .word 0xA4420001 */
};
-int stellaris_write_block(struct flash_bank_s *bank, u8 *buffer, u32 offset, u32 wcount)
+static int stellaris_write_block(struct flash_bank_s *bank, u8 *buffer, u32 offset, u32 wcount)
{
target_t *target = bank->target;
u32 buffer_size = 8192;
return retval;
}
-int stellaris_write(struct flash_bank_s *bank, u8 *buffer, u32 offset, u32 count)
+static int stellaris_write(struct flash_bank_s *bank, u8 *buffer, u32 offset, u32 count)
{
stellaris_flash_bank_t *stellaris_info = bank->driver_priv;
target_t *target = bank->target;
u32 address = offset;
- u32 flash_cris,flash_fmc;
- u32 retval;
+ u32 flash_cris, flash_fmc;
+ u32 words_remaining = (count / 4);
+ u32 bytes_remaining = (count & 0x00000003);
+ u32 bytes_written = 0;
+ int retval;
if (bank->target->state != TARGET_HALTED)
{
return ERROR_FLASH_OPERATION_FAILED;
}
- if((offset & 3) || (count & 3))
+ if (offset & 0x3)
{
LOG_WARNING("offset size must be word aligned");
return ERROR_FLASH_DST_BREAKS_ALIGNMENT;
target_write_u32(target, FLASH_MISC, PMISC|AMISC);
/* multiple words to be programmed? */
- if (count > 0)
+ if (words_remaining > 0)
{
/* try using a block write */
- if ((retval = stellaris_write_block(bank, buffer, offset, count/4)) != ERROR_OK)
+ if ((retval = stellaris_write_block(bank, buffer, offset, words_remaining)) != ERROR_OK)
{
if (retval == ERROR_TARGET_RESOURCE_NOT_AVAILABLE)
{
}
else
{
- buffer += count * 4;
- address += count * 4;
- count = 0;
+ buffer += words_remaining * 4;
+ address += words_remaining * 4;
+ words_remaining = 0;
}
}
- while (count > 0)
+ while (words_remaining > 0)
{
if (!(address & 0xff))
LOG_DEBUG("0x%x", address);
do
{
target_read_u32(target, FLASH_FMC, &flash_fmc);
- }
- while (flash_fmc & FMC_WRITE);
+ } while (flash_fmc & FMC_WRITE);
+
buffer += 4;
address += 4;
- count -= 4;
+ words_remaining--;
}
- /* Check acess violations */
+
+ if (bytes_remaining)
+ {
+ u8 last_word[4] = {0xff, 0xff, 0xff, 0xff};
+ int i = 0;
+
+ while(bytes_remaining > 0)
+ {
+ last_word[i++] = *(buffer + bytes_written);
+ bytes_remaining--;
+ bytes_written++;
+ }
+
+ if (!(address & 0xff))
+ LOG_DEBUG("0x%x", address);
+
+ /* Program one word */
+ target_write_u32(target, FLASH_FMA, address);
+ target_write_buffer(target, FLASH_FMD, 4, last_word);
+ target_write_u32(target, FLASH_FMC, FMC_WRKEY | FMC_WRITE);
+ /* LOG_DEBUG("0x%x 0x%x 0x%x",address,buf_get_u32(buffer, 0, 32),FMC_WRKEY | FMC_WRITE); */
+ /* Wait until write complete */
+ do
+ {
+ target_read_u32(target, FLASH_FMC, &flash_fmc);
+ } while (flash_fmc & FMC_WRITE);
+ }
+
+ /* Check access violations */
target_read_u32(target, FLASH_CRIS, &flash_cris);
if (flash_cris & (AMASK))
{
return ERROR_OK;
}
-int stellaris_probe(struct flash_bank_s *bank)
+static int stellaris_probe(struct flash_bank_s *bank)
{
/* we can't probe on an stellaris
* if this is an stellaris, it has the configured flash
return stellaris_read_part_info(bank);
}
-int stellaris_auto_probe(struct flash_bank_s *bank)
+static int stellaris_auto_probe(struct flash_bank_s *bank)
{
stellaris_flash_bank_t *stellaris_info = bank->driver_priv;
if (stellaris_info->did1)
return stellaris_probe(bank);
}
-int stellaris_mass_erase(struct flash_bank_s *bank)
+static int stellaris_mass_erase(struct flash_bank_s *bank)
{
target_t *target = NULL;
stellaris_flash_bank_t *stellaris_info = NULL;
return ERROR_OK;
}
-int stellaris_handle_mass_erase_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
+static int stellaris_handle_mass_erase_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
{
flash_bank_t *bank;
int i;