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| author | Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com> | 2011-04-14 00:34:03 +0800 |
|---|---|---|
| committer | Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com> | 2011-05-25 23:04:32 +0800 |
| commit | 76b2ab76a4492f8f43c511857181f8421901ce3f (patch) | |
| tree | 3594dadd853458ae4651a93db4d78248232b5518 /arch/arm/mach-at91/board-cap9adk.c | |
| parent | 4a7df24ddc7097cd789a7527187826552ea0765e (diff) | |
| download | lwn-76b2ab76a4492f8f43c511857181f8421901ce3f.tar.gz lwn-76b2ab76a4492f8f43c511857181f8421901ce3f.zip | |
at91: remove MTD_NAND_ATMEL_BUSWIDTH_16 option
no board configure it as 'n' and it's an issue to merge all defconfigs
in one
On AT91SAM926x boards both types of NAND flash can be present
(8 and 16 bit data bus width).
so will pass it via system_rev
Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
Acked-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Cc: Patrice Vilchez <patrice.vilchez@atmel.com>
Diffstat (limited to 'arch/arm/mach-at91/board-cap9adk.c')
| -rw-r--r-- | arch/arm/mach-at91/board-cap9adk.c | 7 |
1 files changed, 2 insertions, 5 deletions
diff --git a/arch/arm/mach-at91/board-cap9adk.c b/arch/arm/mach-at91/board-cap9adk.c index e7274440ead9..96010d4e15af 100644 --- a/arch/arm/mach-at91/board-cap9adk.c +++ b/arch/arm/mach-at91/board-cap9adk.c @@ -44,6 +44,7 @@ #include <mach/gpio.h> #include <mach/at91cap9_matrix.h> #include <mach/at91sam9_smc.h> +#include <mach/system_rev.h> #include "sam9_smc.h" #include "generic.h" @@ -187,11 +188,6 @@ static struct atmel_nand_data __initdata cap9adk_nand_data = { // .rdy_pin = ... not connected .enable_pin = AT91_PIN_PD15, .partition_info = nand_partitions, -#if defined(CONFIG_MTD_NAND_ATMEL_BUSWIDTH_16) - .bus_width_16 = 1, -#else - .bus_width_16 = 0, -#endif }; static struct sam9_smc_config __initdata cap9adk_nand_smc_config = { @@ -219,6 +215,7 @@ static void __init cap9adk_add_device_nand(void) csa = at91_sys_read(AT91_MATRIX_EBICSA); at91_sys_write(AT91_MATRIX_EBICSA, csa | AT91_MATRIX_EBI_VDDIOMSEL_3_3V); + cap9adk_nand_data.bus_width_16 = !board_have_nand_8bit(); /* setup bus-width (8 or 16) */ if (cap9adk_nand_data.bus_width_16) cap9adk_nand_smc_config.mode |= AT91_SMC_DBW_16; |