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| author | Matteo Fortini <matteo.fortini@gmail.com> | 2014-08-01 16:06:36 +0800 |
|---|---|---|
| committer | Sascha Hauer <s.hauer@pengutronix.de> | 2014-08-02 06:37:22 +0200 |
| commit | a2d5ca0fd92a6f3569b1f9d12a7a224b69328351 (patch) | |
| tree | f435796b8a34b23de6e1f14b82b006ac27c9f5e5 /arch/arm/boards | |
| parent | db32b112ba530d235ce190bf00f412c887e3cc26 (diff) | |
| download | barebox-a2d5ca0fd92a6f3569b1f9d12a7a224b69328351.tar.gz barebox-a2d5ca0fd92a6f3569b1f9d12a7a224b69328351.tar.xz | |
ARM: atmel: sama5d3_xplained: import smc timing from U-Boot
The configuration for NAND has been aligned with values
from U-Boot and completed with TIMINGS initialization
Signed-off-by: Matteo Fortini <matteo.fortini@gmail.com>
[voice.shen@atmel.com: apply this patch from Matteo Fortini for
sama5d3xek to sama5d3_xplained board]
Signed-off-by: Bo Shen <voice.shen@atmel.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Diffstat (limited to 'arch/arm/boards')
| -rw-r--r-- | arch/arm/boards/sama5d3_xplained/init.c | 29 |
1 files changed, 19 insertions, 10 deletions
diff --git a/arch/arm/boards/sama5d3_xplained/init.c b/arch/arm/boards/sama5d3_xplained/init.c index ae18863acd..ae84209cbb 100644 --- a/arch/arm/boards/sama5d3_xplained/init.c +++ b/arch/arm/boards/sama5d3_xplained/init.c @@ -57,21 +57,30 @@ static struct atmel_nand_data nand_pdata = { }; static struct sam9_smc_config sama5d3_xplained_nand_smc_config = { - .ncs_read_setup = 0, - .nrd_setup = 1, - .ncs_write_setup = 0, - .nwe_setup = 1, + .ncs_read_setup = 1, + .nrd_setup = 2, + .ncs_write_setup = 1, + .nwe_setup = 2, - .ncs_read_pulse = 6, - .nrd_pulse = 4, + .ncs_read_pulse = 5, + .nrd_pulse = 3, .ncs_write_pulse = 5, .nwe_pulse = 3, - .read_cycle = 6, - .write_cycle = 5, + .read_cycle = 8, + .write_cycle = 8, .mode = AT91_SMC_READMODE | AT91_SMC_WRITEMODE | AT91_SMC_EXNWMODE_DISABLE, - .tdf_cycles = 1, + .tdf_cycles = 3, + + .tclr = 3, + .tadl = 10, + .tar = 3, + .ocms = 0, + .trr = 4, + .twb = 5, + .rbnsel = 3, + .nfsel = 1 }; static void ek_add_device_nand(void) @@ -87,7 +96,7 @@ static void ek_add_device_nand(void) sama5d3_xplained_nand_smc_config.mode |= AT91_SMC_DBW_8; /* configure chip-select 3 (NAND) */ - sam9_smc_configure(0, 3, &sama5d3_xplained_nand_smc_config); + sama5_smc_configure(0, 3, &sama5d3_xplained_nand_smc_config); at91_add_device_nand(&nand_pdata); } |