diff options
| author | Hans-Christian Egtvedt <hcegtvedt@atmel.com> | 2007-01-31 18:01:45 +0100 |
|---|---|---|
| committer | Haavard Skinnemoen <hskinnemoen@atmel.com> | 2007-04-27 13:43:27 +0200 |
| commit | 068d9f6eb9369a00eb45be91c07653cfef65f4a0 (patch) | |
| tree | 845e2162383a78c29fb05c4e8113730270b46583 /arch/avr32/mach-at32ap/hsmc.c | |
| parent | 9c8f8e752431f3f7ed6ea6ea6e491ce12057f572 (diff) | |
| download | linux-068d9f6eb9369a00eb45be91c07653cfef65f4a0.tar.gz linux-068d9f6eb9369a00eb45be91c07653cfef65f4a0.tar.xz | |
[AVR32] Add nwait and tdf parameters to SMC configuration
Complete the SMC configuration code by adding nwait and tdf
parameter. After this change, we support the same parameters as the
hardware.
Signed-off-by: Haavard Skinnemoen <hskinnemoen@atmel.com>
Diffstat (limited to 'arch/avr32/mach-at32ap/hsmc.c')
| -rw-r--r-- | arch/avr32/mach-at32ap/hsmc.c | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/arch/avr32/mach-at32ap/hsmc.c b/arch/avr32/mach-at32ap/hsmc.c index 7691721928a7..5e22a750632b 100644 --- a/arch/avr32/mach-at32ap/hsmc.c +++ b/arch/avr32/mach-at32ap/hsmc.c @@ -75,12 +75,35 @@ int smc_set_configuration(int cs, const struct smc_config *config) return -EINVAL; } + switch (config->nwait_mode) { + case 0: + mode |= HSMC_BF(EXNW_MODE, HSMC_EXNW_MODE_DISABLED); + break; + case 1: + mode |= HSMC_BF(EXNW_MODE, HSMC_EXNW_MODE_RESERVED); + break; + case 2: + mode |= HSMC_BF(EXNW_MODE, HSMC_EXNW_MODE_FROZEN); + break; + case 3: + mode |= HSMC_BF(EXNW_MODE, HSMC_EXNW_MODE_READY); + break; + default: + return -EINVAL; + } + + if (config->tdf_cycles) { + mode |= HSMC_BF(TDF_CYCLES, config->tdf_cycles); + } + if (config->nrd_controlled) mode |= HSMC_BIT(READ_MODE); if (config->nwe_controlled) mode |= HSMC_BIT(WRITE_MODE); if (config->byte_write) mode |= HSMC_BIT(BAT); + if (config->tdf_mode) + mode |= HSMC_BIT(TDF_MODE); pr_debug("smc cs%d: setup/%08x pulse/%08x cycle/%08x mode/%08x\n", cs, setup, pulse, cycle, mode); |