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| author | Jagan Teki <jteki@openedev.com> | 2015-11-04 00:27:35 +0530 |
|---|---|---|
| committer | Jagan Teki <jteki@openedev.com> | 2015-12-11 22:12:23 +0530 |
| commit | 0edae52f08fe602ebe9ba1d132f91552cac86472 (patch) | |
| tree | f5186cd102e5163ae80570e098b5c929b0376add /drivers/mtd/spi | |
| parent | 1e90d9fd3148cebcd6f87cbbaed564b878e2b24a (diff) | |
| download | blackbird-obmc-uboot-0edae52f08fe602ebe9ba1d132f91552cac86472.tar.gz blackbird-obmc-uboot-0edae52f08fe602ebe9ba1d132f91552cac86472.zip | |
sf: probe: Code cleanup
- Move bar read code below the bar write hance both
at once place, hence it easy for #ifdef macro only
once and readable.
- Move read_cmd_array at top
Tested-by: Jagan Teki <jteki@openedev.com>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
Signed-off-by: Jagan Teki <jteki@openedev.com>
Diffstat (limited to 'drivers/mtd/spi')
| -rw-r--r-- | drivers/mtd/spi/sf_ops.c | 80 |
1 files changed, 39 insertions, 41 deletions
diff --git a/drivers/mtd/spi/sf_ops.c b/drivers/mtd/spi/sf_ops.c index 54c6468e42..8d6040e71c 100644 --- a/drivers/mtd/spi/sf_ops.c +++ b/drivers/mtd/spi/sf_ops.c @@ -30,6 +30,16 @@ static void spi_flash_addr(u32 addr, u8 *cmd) cmd[3] = addr >> 0; } +/* Read commands array */ +static u8 spi_read_cmds_array[] = { + CMD_READ_ARRAY_SLOW, + CMD_READ_ARRAY_FAST, + CMD_READ_DUAL_OUTPUT_FAST, + CMD_READ_DUAL_IO_FAST, + CMD_READ_QUAD_OUTPUT_FAST, + CMD_READ_QUAD_IO_FAST, +}; + int spi_flash_cmd_read_status(struct spi_flash *flash, u8 *rs) { int ret; @@ -133,6 +143,35 @@ bar_end: flash->bank_curr = bank_sel; return flash->bank_curr; } + +static int spi_flash_read_bank(struct spi_flash *flash, u8 idcode0) +{ + u8 curr_bank = 0; + int ret; + + if (flash->size <= SPI_FLASH_16MB_BOUN) + goto bank_end; + + switch (idcode0) { + case SPI_FLASH_CFI_MFR_SPANSION: + flash->bank_read_cmd = CMD_BANKADDR_BRRD; + flash->bank_write_cmd = CMD_BANKADDR_BRWR; + default: + flash->bank_read_cmd = CMD_EXTNADDR_RDEAR; + flash->bank_write_cmd = CMD_EXTNADDR_WREAR; + } + + ret = spi_flash_read_common(flash, &flash->bank_read_cmd, 1, + &curr_bank, 1); + if (ret) { + debug("SF: fail to read bank addr register\n"); + return ret; + } + +bank_end: + flash->bank_curr = curr_bank; + return 0; +} #endif #ifdef CONFIG_SF_DUAL_FLASH @@ -762,16 +801,6 @@ int stm_unlock(struct spi_flash *flash, u32 ofs, size_t len) #endif -/* Read commands array */ -static u8 spi_read_cmds_array[] = { - CMD_READ_ARRAY_SLOW, - CMD_READ_ARRAY_FAST, - CMD_READ_DUAL_OUTPUT_FAST, - CMD_READ_DUAL_IO_FAST, - CMD_READ_QUAD_OUTPUT_FAST, - CMD_READ_QUAD_IO_FAST, -}; - #ifdef CONFIG_SPI_FLASH_MACRONIX static int spi_flash_set_qeb_mxic(struct spi_flash *flash) { @@ -839,37 +868,6 @@ static int spi_flash_set_qeb(struct spi_flash *flash, u8 idcode0) } } -#ifdef CONFIG_SPI_FLASH_BAR -static int spi_flash_read_bank(struct spi_flash *flash, u8 idcode0) -{ - u8 curr_bank = 0; - int ret; - - if (flash->size <= SPI_FLASH_16MB_BOUN) - goto bank_end; - - switch (idcode0) { - case SPI_FLASH_CFI_MFR_SPANSION: - flash->bank_read_cmd = CMD_BANKADDR_BRRD; - flash->bank_write_cmd = CMD_BANKADDR_BRWR; - default: - flash->bank_read_cmd = CMD_EXTNADDR_RDEAR; - flash->bank_write_cmd = CMD_EXTNADDR_WREAR; - } - - ret = spi_flash_read_common(flash, &flash->bank_read_cmd, 1, - &curr_bank, 1); - if (ret) { - debug("SF: fail to read bank addr register\n"); - return ret; - } - -bank_end: - flash->bank_curr = curr_bank; - return 0; -} -#endif - #if CONFIG_IS_ENABLED(OF_CONTROL) int spi_flash_decode_fdt(const void *blob, struct spi_flash *flash) { |
