From 6f2b9ea9e158aa116937b234a9c069bfef1f4238 Mon Sep 17 00:00:00 2001 From: David Brownell Date: Wed, 16 Dec 2009 14:17:31 -0800 Subject: stellaris: remove needless code No point in reading and discarding a status value when fetching part description data. Or having that needless "#if 0" code. Signed-off-by: David Brownell --- src/flash/nor/stellaris.c | 51 +---------------------------------------------- 1 file changed, 1 insertion(+), 50 deletions(-) (limited to 'src') diff --git a/src/flash/nor/stellaris.c b/src/flash/nor/stellaris.c index 8b0d9d30..0ae65dc8 100644 --- a/src/flash/nor/stellaris.c +++ b/src/flash/nor/stellaris.c @@ -37,7 +37,6 @@ #define DID0_VER(did0) ((did0 >> 28)&0x07) static int stellaris_read_part_info(struct flash_bank *bank); -static uint32_t stellaris_get_flash_status(struct flash_bank *bank); static int stellaris_mass_erase(struct flash_bank *bank); @@ -335,16 +334,6 @@ static int stellaris_info(struct flash_bank *bank, char *buf, int buf_size) * chip identification and status * ***************************************************************************/ -static uint32_t stellaris_get_flash_status(struct flash_bank *bank) -{ - struct target *target = bank->target; - uint32_t fmc; - - target_read_u32(target, FLASH_CONTROL_BASE | FLASH_FMC, &fmc); - - return fmc; -} - /* Set the flash timimg register to match current clocking */ static void stellaris_set_flash_timing(struct flash_bank *bank) { @@ -473,48 +462,12 @@ static void stellaris_read_clock_info(struct flash_bank *bank) stellaris_info->mck_freq = mainfreq; } -#if 0 -static uint32_t stellaris_wait_status_busy(struct flash_bank *bank, uint32_t waitbits, int timeout) -{ - uint32_t status; - - /* Stellaris waits for cmdbit to clear */ - while (((status = stellaris_get_flash_status(bank)) & waitbits) && (timeout-- > 0)) - { - LOG_DEBUG("status: 0x%x", status); - alive_sleep(1); - } - - /* Flash errors are reflected in the FLASH_CRIS register */ - - return status; -} - -/* Send one command to the flash controller */ -static int stellaris_flash_command(struct flash_bank *bank,uint8_t cmd,uint16_t pagen) -{ - uint32_t fmc; - struct target *target = bank->target; - - fmc = FMC_WRKEY | cmd; - target_write_u32(target, FLASH_CONTROL_BASE | FLASH_FMC, fmc); - LOG_DEBUG("Flash command: 0x%x", fmc); - - if (stellaris_wait_status_busy(bank, cmd, 100)) - { - return ERROR_FLASH_OPERATION_FAILED; - } - - return ERROR_OK; -} -#endif - /* Read device id register, main clock frequency register and fill in driver info structure */ static int stellaris_read_part_info(struct flash_bank *bank) { struct stellaris_flash_bank *stellaris_info = bank->driver_priv; struct target *target = bank->target; - uint32_t did0, did1, ver, fam, status; + uint32_t did0, did1, ver, fam; int i; /* Read and parse chip identification register */ @@ -618,8 +571,6 @@ static int stellaris_read_part_info(struct flash_bank *bank) /* Read main and master clock freqency register */ stellaris_read_clock_info(bank); - status = stellaris_get_flash_status(bank); - return ERROR_OK; } -- cgit v1.2.3