diff options
| -rw-r--r-- | arch/avr32/mach-at32ap/hsmc.c | 23 | ||||
| -rw-r--r-- | include/asm-avr32/arch-at32ap/smc.h | 22 |
2 files changed, 45 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) | |||
| 75 | return -EINVAL; | 75 | return -EINVAL; |
| 76 | } | 76 | } |
| 77 | 77 | ||
| 78 | switch (config->nwait_mode) { | ||
| 79 | case 0: | ||
| 80 | mode |= HSMC_BF(EXNW_MODE, HSMC_EXNW_MODE_DISABLED); | ||
| 81 | break; | ||
| 82 | case 1: | ||
| 83 | mode |= HSMC_BF(EXNW_MODE, HSMC_EXNW_MODE_RESERVED); | ||
| 84 | break; | ||
| 85 | case 2: | ||
| 86 | mode |= HSMC_BF(EXNW_MODE, HSMC_EXNW_MODE_FROZEN); | ||
| 87 | break; | ||
| 88 | case 3: | ||
| 89 | mode |= HSMC_BF(EXNW_MODE, HSMC_EXNW_MODE_READY); | ||
| 90 | break; | ||
| 91 | default: | ||
| 92 | return -EINVAL; | ||
| 93 | } | ||
| 94 | |||
| 95 | if (config->tdf_cycles) { | ||
| 96 | mode |= HSMC_BF(TDF_CYCLES, config->tdf_cycles); | ||
| 97 | } | ||
| 98 | |||
| 78 | if (config->nrd_controlled) | 99 | if (config->nrd_controlled) |
| 79 | mode |= HSMC_BIT(READ_MODE); | 100 | mode |= HSMC_BIT(READ_MODE); |
| 80 | if (config->nwe_controlled) | 101 | if (config->nwe_controlled) |
| 81 | mode |= HSMC_BIT(WRITE_MODE); | 102 | mode |= HSMC_BIT(WRITE_MODE); |
| 82 | if (config->byte_write) | 103 | if (config->byte_write) |
| 83 | mode |= HSMC_BIT(BAT); | 104 | mode |= HSMC_BIT(BAT); |
| 105 | if (config->tdf_mode) | ||
| 106 | mode |= HSMC_BIT(TDF_MODE); | ||
| 84 | 107 | ||
| 85 | pr_debug("smc cs%d: setup/%08x pulse/%08x cycle/%08x mode/%08x\n", | 108 | pr_debug("smc cs%d: setup/%08x pulse/%08x cycle/%08x mode/%08x\n", |
| 86 | cs, setup, pulse, cycle, mode); | 109 | cs, setup, pulse, cycle, mode); |
diff --git a/include/asm-avr32/arch-at32ap/smc.h b/include/asm-avr32/arch-at32ap/smc.h index 3732b328303d..07152b7fd9c9 100644 --- a/include/asm-avr32/arch-at32ap/smc.h +++ b/include/asm-avr32/arch-at32ap/smc.h | |||
| @@ -48,10 +48,32 @@ struct smc_config { | |||
| 48 | unsigned int nwe_controlled:1; | 48 | unsigned int nwe_controlled:1; |
| 49 | 49 | ||
| 50 | /* | 50 | /* |
| 51 | * 0: NWAIT is disabled | ||
| 52 | * 1: Reserved | ||
| 53 | * 2: NWAIT is frozen mode | ||
| 54 | * 3: NWAIT in ready mode | ||
| 55 | */ | ||
| 56 | unsigned int nwait_mode:2; | ||
| 57 | |||
| 58 | /* | ||
| 51 | * 0: Byte select access type | 59 | * 0: Byte select access type |
| 52 | * 1: Byte write access type | 60 | * 1: Byte write access type |
| 53 | */ | 61 | */ |
| 54 | unsigned int byte_write:1; | 62 | unsigned int byte_write:1; |
| 63 | |||
| 64 | /* | ||
| 65 | * Number of clock cycles before data is released after | ||
| 66 | * the rising edge of the read controlling signal | ||
| 67 | * | ||
| 68 | * Total cycles from SMC is tdf_cycles + 1 | ||
| 69 | */ | ||
| 70 | unsigned int tdf_cycles:4; | ||
| 71 | |||
| 72 | /* | ||
| 73 | * 0: TDF optimization disabled | ||
| 74 | * 1: TDF optimization enabled | ||
| 75 | */ | ||
| 76 | unsigned int tdf_mode:1; | ||
| 55 | }; | 77 | }; |
| 56 | 78 | ||
| 57 | extern int smc_set_configuration(int cs, const struct smc_config *config); | 79 | extern int smc_set_configuration(int cs, const struct smc_config *config); |
