This is a optimization.
Signed-off-by: Fabio Porcedda <[email protected]>
Cc: Jean-Christophe PLAGNIOL-VILLARD <[email protected]>
---
arch/arm/boards/at91sam9260ek/init.c | 28 +++++++++++++---------------
1 file changed, 13 insertions(+), 15 deletions(-)
diff --git a/arch/arm/boards/at91sam9260ek/init.c
b/arch/arm/boards/at91sam9260ek/init.c
index f0d8adf..5080f2a 100644
--- a/arch/arm/boards/at91sam9260ek/init.c
+++ b/arch/arm/boards/at91sam9260ek/init.c
@@ -74,7 +74,11 @@ static struct sam9_smc_config ek_9260_nand_smc_config = {
.write_cycle = 5,
.mode = AT91_SMC_READMODE | AT91_SMC_WRITEMODE |
- AT91_SMC_EXNWMODE_DISABLE,
+#if defined(CONFIG_MTD_NAND_ATMEL_BUSWIDTH_16)
+ AT91_SMC_EXNWMODE_DISABLE | AT91_SMC_DBW_16,
+#else
+ AT91_SMC_EXNWMODE_DISABLE | AT91_SMC_DBW_8,
+#endif
.tdf_cycles = 2,
};
@@ -93,27 +97,21 @@ static struct sam9_smc_config ek_9g20_nand_smc_config = {
.write_cycle = 7,
.mode = AT91_SMC_READMODE | AT91_SMC_WRITEMODE |
- AT91_SMC_EXNWMODE_DISABLE,
+#if defined(CONFIG_MTD_NAND_ATMEL_BUSWIDTH_16)
+ AT91_SMC_EXNWMODE_DISABLE | AT91_SMC_DBW_16,
+#else
+ AT91_SMC_EXNWMODE_DISABLE | AT91_SMC_DBW_8,
+#endif
.tdf_cycles = 3,
};
static void ek_add_device_nand(void)
{
- struct sam9_smc_config *smc;
-
+ /* configure chip-select 3 (NAND) */
if (machine_is_at91sam9g20ek())
- smc = &ek_9g20_nand_smc_config;
- else
- smc = &ek_9260_nand_smc_config;
-
- /* setup bus-width (8 or 16) */
- if (nand_pdata.bus_width_16)
- smc->mode |= AT91_SMC_DBW_16;
+ sam9_smc_configure(0, 3, &ek_9g20_nand_smc_config);
else
- smc->mode |= AT91_SMC_DBW_8;
-
- /* configure chip-select 3 (NAND) */
- sam9_smc_configure(0, 3, smc);
+ sam9_smc_configure(0, 3, &ek_9260_nand_smc_config);
at91_add_device_nand(&nand_pdata);
}
--
1.8.1.1
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