u-boot/include/dt-bindings/memory/stm32-sdram.h
Patrice Chotard 791651e390 ARM: DTS: stm32: add stm32f429-disco-u-boot dts file
_ Add gpio compatible and aliases for stm32f429

_ Add FMC sdram node with associated new bindings value to
  manage second bank (ie bank 1).

_ Add "u-boot,dm-pre-reloc" for rcc, fmc, fixed-clock, pinctrl,
  pwrcfg and gpio nodes.

Signed-off-by: Patrice Chotard <patrice.chotard@st.com>
2018-01-10 08:05:45 -05:00

46 lines
947 B
C

#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_DIS 0x0
#define SDCLK_2 0x2
#define SDCLK_3 0x3
#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_1 (1 - 1)
#define TMRD_2 (2 - 1)
#define TMRD_3 (3 - 1)
#define TXSR_1 (1 - 1)
#define TXSR_6 (6 - 1)
#define TXSR_7 (7 - 1)
#define TRAS_1 (1 - 1)
#define TRAS_4 (4 - 1)
#define TRC_6 (6 - 1)
#define TWR_1 (1 - 1)
#define TWR_2 (2 - 1)
#define TRP_2 (2 - 1)
#define TRCD_1 (1 - 1)
#define TRCD_2 (2 - 1)
#endif