diff options
Diffstat (limited to 'include/dt-bindings/memory/stm32-sdram.h')
| -rw-r--r-- | include/dt-bindings/memory/stm32-sdram.h | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/include/dt-bindings/memory/stm32-sdram.h b/include/dt-bindings/memory/stm32-sdram.h new file mode 100644 index 0000000000..89b719af53 --- /dev/null +++ b/include/dt-bindings/memory/stm32-sdram.h @@ -0,0 +1,37 @@ +#ifndef DT_BINDINGS_STM32_SDRAM_H +#define DT_BINDINGS_STM32_SDRAM_H + +#define NO_COL_8 0x0 +#define NO_COL_9 0x1 +#define NO_COL_10 0x2 +#define NO_COL_11 0x3 + +#define NO_ROW_11 0x0 +#define NO_ROW_12 0x1 +#define NO_ROW_13 0x2 + +#define MWIDTH_8 0x0 +#define MWIDTH_16 0x1 +#define MWIDTH_32 0x2 +#define BANKS_2 0x0 +#define BANKS_4 0x1 +#define CAS_1 0x1 +#define CAS_2 0x2 +#define CAS_3 0x3 +#define SDCLK_2 0x2 +#define RD_BURST_EN 0x1 +#define RD_BURST_DIS 0x0 +#define RD_PIPE_DL_0 0x0 +#define RD_PIPE_DL_1 0x1 +#define RD_PIPE_DL_2 0x2 + +/* Timing = value +1 cycles */ +#define TMRD_2 (2 - 1) +#define TXSR_6 (6 - 1) +#define TRAS_4 (4 - 1) +#define TRC_6 (6 - 1) +#define TWR_2 (2 - 1) +#define TRP_2 (2 - 1) +#define TRCD_2 (2 - 1) + +#endif |