diff options
Diffstat (limited to 'cpu/at32ap/hsmc3.h')
| -rw-r--r-- | cpu/at32ap/hsmc3.h | 126 |
1 files changed, 126 insertions, 0 deletions
diff --git a/cpu/at32ap/hsmc3.h b/cpu/at32ap/hsmc3.h new file mode 100644 index 0000000..ec78cee --- /dev/null +++ b/cpu/at32ap/hsmc3.h @@ -0,0 +1,126 @@ +/* + * Register definitions for Static Memory Controller + */ +#ifndef __CPU_AT32AP_HSMC3_H__ +#define __CPU_AT32AP_HSMC3_H__ + +/* HSMC3 register offsets */ +#define HSMC3_SETUP0 0x0000 +#define HSMC3_PULSE0 0x0004 +#define HSMC3_CYCLE0 0x0008 +#define HSMC3_MODE0 0x000c +#define HSMC3_SETUP1 0x0010 +#define HSMC3_PULSE1 0x0014 +#define HSMC3_CYCLE1 0x0018 +#define HSMC3_MODE1 0x001c +#define HSMC3_SETUP2 0x0020 +#define HSMC3_PULSE2 0x0024 +#define HSMC3_CYCLE2 0x0028 +#define HSMC3_MODE2 0x002c +#define HSMC3_SETUP3 0x0030 +#define HSMC3_PULSE3 0x0034 +#define HSMC3_CYCLE3 0x0038 +#define HSMC3_MODE3 0x003c +#define HSMC3_SETUP4 0x0040 +#define HSMC3_PULSE4 0x0044 +#define HSMC3_CYCLE4 0x0048 +#define HSMC3_MODE4 0x004c +#define HSMC3_SETUP5 0x0050 +#define HSMC3_PULSE5 0x0054 +#define HSMC3_CYCLE5 0x0058 +#define HSMC3_MODE5 0x005c + +/* Bitfields in SETUP0 */ +#define HSMC3_NWE_SETUP_OFFSET 0 +#define HSMC3_NWE_SETUP_SIZE 6 +#define HSMC3_NCS_WR_SETUP_OFFSET 8 +#define HSMC3_NCS_WR_SETUP_SIZE 6 +#define HSMC3_NRD_SETUP_OFFSET 16 +#define HSMC3_NRD_SETUP_SIZE 6 +#define HSMC3_NCS_RD_SETUP_OFFSET 24 +#define HSMC3_NCS_RD_SETUP_SIZE 6 + +/* Bitfields in PULSE0 */ +#define HSMC3_NWE_PULSE_OFFSET 0 +#define HSMC3_NWE_PULSE_SIZE 7 +#define HSMC3_NCS_WR_PULSE_OFFSET 8 +#define HSMC3_NCS_WR_PULSE_SIZE 7 +#define HSMC3_NRD_PULSE_OFFSET 16 +#define HSMC3_NRD_PULSE_SIZE 7 +#define HSMC3_NCS_RD_PULSE_OFFSET 24 +#define HSMC3_NCS_RD_PULSE_SIZE 7 + +/* Bitfields in CYCLE0 */ +#define HSMC3_NWE_CYCLE_OFFSET 0 +#define HSMC3_NWE_CYCLE_SIZE 9 +#define HSMC3_NRD_CYCLE_OFFSET 16 +#define HSMC3_NRD_CYCLE_SIZE 9 + +/* Bitfields in MODE0 */ +#define HSMC3_READ_MODE_OFFSET 0 +#define HSMC3_READ_MODE_SIZE 1 +#define HSMC3_WRITE_MODE_OFFSET 1 +#define HSMC3_WRITE_MODE_SIZE 1 +#define HSMC3_EXNW_MODE_OFFSET 4 +#define HSMC3_EXNW_MODE_SIZE 2 +#define HSMC3_BAT_OFFSET 8 +#define HSMC3_BAT_SIZE 1 +#define HSMC3_DBW_OFFSET 12 +#define HSMC3_DBW_SIZE 2 +#define HSMC3_TDF_CYCLES_OFFSET 16 +#define HSMC3_TDF_CYCLES_SIZE 4 +#define HSMC3_TDF_MODE_OFFSET 20 +#define HSMC3_TDF_MODE_SIZE 1 +#define HSMC3_PMEN_OFFSET 24 +#define HSMC3_PMEN_SIZE 1 +#define HSMC3_PS_OFFSET 28 +#define HSMC3_PS_SIZE 2 + +/* Bitfields in MODE1 */ +#define HSMC3_PD_OFFSET 28 +#define HSMC3_PD_SIZE 2 + +/* Constants for READ_MODE */ +#define HSMC3_READ_MODE_NCS_CONTROLLED 0 +#define HSMC3_READ_MODE_NRD_CONTROLLED 1 + +/* Constants for WRITE_MODE */ +#define HSMC3_WRITE_MODE_NCS_CONTROLLED 0 +#define HSMC3_WRITE_MODE_NWE_CONTROLLED 1 + +/* Constants for EXNW_MODE */ +#define HSMC3_EXNW_MODE_DISABLED 0 +#define HSMC3_EXNW_MODE_RESERVED 1 +#define HSMC3_EXNW_MODE_FROZEN 2 +#define HSMC3_EXNW_MODE_READY 3 + +/* Constants for BAT */ +#define HSMC3_BAT_BYTE_SELECT 0 +#define HSMC3_BAT_BYTE_WRITE 1 + +/* Constants for DBW */ +#define HSMC3_DBW_8_BITS 0 +#define HSMC3_DBW_16_BITS 1 +#define HSMC3_DBW_32_BITS 2 + +/* Bit manipulation macros */ +#define HSMC3_BIT(name) \ + (1 << HSMC3_##name##_OFFSET) +#define HSMC3_BF(name,value) \ + (((value) & ((1 << HSMC3_##name##_SIZE) - 1)) \ + << HSMC3_##name##_OFFSET) +#define HSMC3_BFEXT(name,value) \ + (((value) >> HSMC3_##name##_OFFSET) \ + & ((1 << HSMC3_##name##_SIZE) - 1)) +#define HSMC3_BFINS(name,value,old)\ + (((old) & ~(((1 << HSMC3_##name##_SIZE) - 1) \ + << HSMC3_##name##_OFFSET)) \ + | HSMC3_BF(name,value)) + +/* Register access macros */ +#define hsmc3_readl(port,reg) \ + readl((port)->regs + HSMC3_##reg) +#define hsmc3_writel(port,reg,value) \ + writel((value), (port)->regs + HSMC3_##reg) + +#endif /* __CPU_AT32AP_HSMC3_H__ */ |