diff options
Diffstat (limited to 'roms/u-boot/arch/arm/mach-at91/include/mach/atmel_mpddrc.h')
| -rw-r--r-- | roms/u-boot/arch/arm/mach-at91/include/mach/atmel_mpddrc.h | 232 |
1 files changed, 232 insertions, 0 deletions
diff --git a/roms/u-boot/arch/arm/mach-at91/include/mach/atmel_mpddrc.h b/roms/u-boot/arch/arm/mach-at91/include/mach/atmel_mpddrc.h new file mode 100644 index 000000000..40ec87e2f --- /dev/null +++ b/roms/u-boot/arch/arm/mach-at91/include/mach/atmel_mpddrc.h @@ -0,0 +1,232 @@ +/* SPDX-License-Identifier: GPL-2.0+ */ +/* + * Copyright (C) 2013 Atmel Corporation + * Bo Shen <voice.shen@atmel.com> + * + * Copyright (C) 2015 Atmel Corporation + * Wenyou Yang <wenyou.yang@atmel.com> + */ + +#ifndef __ATMEL_MPDDRC_H__ +#define __ATMEL_MPDDRC_H__ + +struct atmel_mpddrc_config { + u32 mr; + u32 rtr; + u32 cr; + u32 tpr0; + u32 tpr1; + u32 tpr2; + u32 md; + u32 lpddr23_lpr; + u32 cal_mr4; + u32 tim_cal; +}; + +/* + * Only define the needed register in mpddr + * If other register needed, will add them later + */ +struct atmel_mpddr { + u32 mr; /* 0x00: Mode Register */ + u32 rtr; /* 0x04: Refresh Timer Register */ + u32 cr; /* 0x08: Configuration Register */ + u32 tpr0; /* 0x0c: Timing Parameter 0 Register */ + u32 tpr1; /* 0x10: Timing Parameter 1 Register */ + u32 tpr2; /* 0x14: Timing Parameter 2 Register */ + u32 reserved; /* 0x18: Reserved */ + u32 lpr; /* 0x1c: Low-power Register */ + u32 md; /* 0x20: Memory Device Register */ + u32 reserved1; /* 0x24: Reserved */ + u32 lpddr23_lpr; /* 0x28: LPDDR2-LPDDR3 Low-power Register*/ + u32 cal_mr4; /* 0x2c: Calibration and MR4 Register */ + u32 tim_cal; /* 0x30: Timing Calibration Register */ + u32 io_calibr; /* 0x34: IO Calibration */ + u32 ocms; /* 0x38: OCMS Register */ + u32 ocms_key1; /* 0x3c: OCMS KEY1 Register */ + u32 ocms_key2; /* 0x40: OCMS KEY2 Register */ + u32 conf_arbiter; /* 0x44: Configuration Arbiter Register */ + u32 timeout; /* 0x48: Timeout Port 0/1/2/3 Register */ + u32 req_port0123; /* 0x4c: Request Port 0/1/2/3 Register */ + u32 req_port4567; /* 0x50: Request Port 4/5/6/7 Register */ + u32 bdw_port0123; /* 0x54: Bandwidth Port 0/1/2/3 Register */ + u32 bdw_port4567; /* 0x58: Bandwidth Port 4/5/6/7 Register */ + u32 rd_data_path; /* 0x5c: Read Datapath Register */ + u32 reserved2[33]; + u32 wpmr; /* 0xe4: Write Protection Mode Register */ + u32 wpsr; /* 0xe8: Write Protection Status Register */ + u32 reserved3[4]; + u32 version; /* 0xfc: IP version */ +}; + + +int ddr2_init(const unsigned int base, + const unsigned int ram_address, + const struct atmel_mpddrc_config *mpddr_value); + +int lpddr2_init(const unsigned int base, + const unsigned int ram_address, + const struct atmel_mpddrc_config *mpddr_value); + +int ddr3_init(const unsigned int base, + const unsigned int ram_address, + const struct atmel_mpddrc_config *mpddr_value); + +/* Bit field in mode register */ +#define ATMEL_MPDDRC_MR_MODE_NORMAL_CMD 0x0 +#define ATMEL_MPDDRC_MR_MODE_NOP_CMD 0x1 +#define ATMEL_MPDDRC_MR_MODE_PRCGALL_CMD 0x2 +#define ATMEL_MPDDRC_MR_MODE_LMR_CMD 0x3 +#define ATMEL_MPDDRC_MR_MODE_RFSH_CMD 0x4 +#define ATMEL_MPDDRC_MR_MODE_EXT_LMR_CMD 0x5 +#define ATMEL_MPDDRC_MR_MODE_DEEP_CMD 0x6 +#define ATMEL_MPDDRC_MR_MODE_LPDDR2_CMD 0x7 +#define ATMEL_MPDDRC_MR_MRS(v) (((v) & 0xFF) << 0x8) + +/* Bit field in refresh timer register */ +#define ATMEL_MPDDRC_RTR_ADJ_REF (0x1 << 16) +#define ATMEL_MPDDRC_RTR_MR4VALUE(v) (((v) & 0x7) << 20) + +/* Bit field in configuration register */ +#define ATMEL_MPDDRC_CR_NC_MASK 0x3 +#define ATMEL_MPDDRC_CR_NC_COL_9 0x0 +#define ATMEL_MPDDRC_CR_NC_COL_10 0x1 +#define ATMEL_MPDDRC_CR_NC_COL_11 0x2 +#define ATMEL_MPDDRC_CR_NC_COL_12 0x3 +#define ATMEL_MPDDRC_CR_NR_MASK (0x3 << 2) +#define ATMEL_MPDDRC_CR_NR_ROW_11 (0x0 << 2) +#define ATMEL_MPDDRC_CR_NR_ROW_12 (0x1 << 2) +#define ATMEL_MPDDRC_CR_NR_ROW_13 (0x2 << 2) +#define ATMEL_MPDDRC_CR_NR_ROW_14 (0x3 << 2) +#define ATMEL_MPDDRC_CR_CAS_MASK (0x7 << 4) +#define ATMEL_MPDDRC_CR_CAS_DDR_CAS2 (0x2 << 4) +#define ATMEL_MPDDRC_CR_CAS_DDR_CAS3 (0x3 << 4) +#define ATMEL_MPDDRC_CR_CAS_DDR_CAS4 (0x4 << 4) +#define ATMEL_MPDDRC_CR_CAS_DDR_CAS5 (0x5 << 4) +#define ATMEL_MPDDRC_CR_CAS_DDR_CAS6 (0x6 << 4) +#define ATMEL_MPDDRC_CR_DLL_RESET_ENABLED (0x1 << 7) +#define ATMEL_MPDDRC_CR_DIC_DS (0x1 << 8) +#define ATMEL_MPDDRC_CR_DIS_DLL (0x1 << 9) +#define ATMEL_MPDDRC_CR_ZQ_INIT (0x0 << 10) +#define ATMEL_MPDDRC_CR_ZQ_LONG (0x1 << 10) +#define ATMEL_MPDDRC_CR_ZQ_SHORT (0x2 << 10) +#define ATMEL_MPDDRC_CR_ZQ_RESET (0x3 << 10) +#define ATMEL_MPDDRC_CR_OCD_DEFAULT (0x7 << 12) +#define ATMEL_MPDDRC_CR_DQMS_SHARED (0x1 << 16) +#define ATMEL_MPDDRC_CR_ENRDM_ON (0x1 << 17) +#define ATMEL_MPDDRC_CR_NB_8BANKS (0x1 << 20) +#define ATMEL_MPDDRC_CR_NDQS_DISABLED (0x1 << 21) +#define ATMEL_MPDDRC_CR_DECOD_INTERLEAVED (0x1 << 22) +#define ATMEL_MPDDRC_CR_UNAL_SUPPORTED (0x1 << 23) + +/* Bit field in timing parameter 0 register */ +#define ATMEL_MPDDRC_TPR0_TRAS_OFFSET 0 +#define ATMEL_MPDDRC_TPR0_TRAS_MASK 0xf +#define ATMEL_MPDDRC_TPR0_TRCD_OFFSET 4 +#define ATMEL_MPDDRC_TPR0_TRCD_MASK 0xf +#define ATMEL_MPDDRC_TPR0_TWR_OFFSET 8 +#define ATMEL_MPDDRC_TPR0_TWR_MASK 0xf +#define ATMEL_MPDDRC_TPR0_TRC_OFFSET 12 +#define ATMEL_MPDDRC_TPR0_TRC_MASK 0xf +#define ATMEL_MPDDRC_TPR0_TRP_OFFSET 16 +#define ATMEL_MPDDRC_TPR0_TRP_MASK 0xf +#define ATMEL_MPDDRC_TPR0_TRRD_OFFSET 20 +#define ATMEL_MPDDRC_TPR0_TRRD_MASK 0xf +#define ATMEL_MPDDRC_TPR0_TWTR_OFFSET 24 +#define ATMEL_MPDDRC_TPR0_TWTR_MASK 0x7 +#define ATMEL_MPDDRC_TPR0_RDC_WRRD_OFFSET 27 +#define ATMEL_MPDDRC_TPR0_RDC_WRRD_MASK 0x1 +#define ATMEL_MPDDRC_TPR0_TMRD_OFFSET 28 +#define ATMEL_MPDDRC_TPR0_TMRD_MASK 0xf + +/* Bit field in timing parameter 1 register */ +#define ATMEL_MPDDRC_TPR1_TRFC_OFFSET 0 +#define ATMEL_MPDDRC_TPR1_TRFC_MASK 0x7f +#define ATMEL_MPDDRC_TPR1_TXSNR_OFFSET 8 +#define ATMEL_MPDDRC_TPR1_TXSNR_MASK 0xff +#define ATMEL_MPDDRC_TPR1_TXSRD_OFFSET 16 +#define ATMEL_MPDDRC_TPR1_TXSRD_MASK 0xff +#define ATMEL_MPDDRC_TPR1_TXP_OFFSET 24 +#define ATMEL_MPDDRC_TPR1_TXP_MASK 0xf + +/* Bit field in timing parameter 2 register */ +#define ATMEL_MPDDRC_TPR2_TXARD_OFFSET 0 +#define ATMEL_MPDDRC_TPR2_TXARD_MASK 0xf +#define ATMEL_MPDDRC_TPR2_TXARDS_OFFSET 4 +#define ATMEL_MPDDRC_TPR2_TXARDS_MASK 0xf +#define ATMEL_MPDDRC_TPR2_TRPA_OFFSET 8 +#define ATMEL_MPDDRC_TPR2_TRPA_MASK 0xf +#define ATMEL_MPDDRC_TPR2_TRTP_OFFSET 12 +#define ATMEL_MPDDRC_TPR2_TRTP_MASK 0x7 +#define ATMEL_MPDDRC_TPR2_TFAW_OFFSET 16 +#define ATMEL_MPDDRC_TPR2_TFAW_MASK 0xf + +/* Bit field in Memory Device Register */ +#define ATMEL_MPDDRC_MD_SDR_SDRAM 0x0 +#define ATMEL_MPDDRC_MD_LP_SDR_SDRAM 0x1 +#define ATMEL_MPDDRC_MD_DDR_SDRAM 0x2 +#define ATMEL_MPDDRC_MD_LPDDR_SDRAM 0x3 +#define ATMEL_MPDDRC_MD_DDR3_SDRAM 0x4 +#define ATMEL_MPDDRC_MD_LPDDR3_SDRAM 0x5 +#define ATMEL_MPDDRC_MD_DDR2_SDRAM 0x6 +#define ATMEL_MPDDRC_MD_LPDDR2_SDRAM 0x7 +#define ATMEL_MPDDRC_MD_DBW_MASK (0x1 << 4) +#define ATMEL_MPDDRC_MD_DBW_32_BITS (0x0 << 4) +#define ATMEL_MPDDRC_MD_DBW_16_BITS (0x1 << 4) + +/* Bit field in I/O Calibration Register */ +#define ATMEL_MPDDRC_IO_CALIBR_RDIV 0x7 + +#define ATMEL_MPDDRC_IO_CALIBR_LPDDR2_RZQ_34_3 0x1 +#define ATMEL_MPDDRC_IO_CALIBR_LPDDR2_RZQ_40 0x2 +#define ATMEL_MPDDRC_IO_CALIBR_LPDDR2_RZQ_48 0x3 +#define ATMEL_MPDDRC_IO_CALIBR_LPDDR2_RZQ_60 0x4 +#define ATMEL_MPDDRC_IO_CALIBR_LPDDR2_RZQ_80 0x6 +#define ATMEL_MPDDRC_IO_CALIBR_LPDDR2_RZQ_120 0x7 + +#define ATMEL_MPDDRC_IO_CALIBR_DDR2_RZQ_35 0x2 +#define ATMEL_MPDDRC_IO_CALIBR_DDR2_RZQ_43 0x3 +#define ATMEL_MPDDRC_IO_CALIBR_DDR2_RZQ_52 0x4 +#define ATMEL_MPDDRC_IO_CALIBR_DDR2_RZQ_70 0x6 +#define ATMEL_MPDDRC_IO_CALIBR_DDR2_RZQ_105 0x7 + +#define ATMEL_MPDDRC_IO_CALIBR_DDR3_RZQ_37 0x2 +#define ATMEL_MPDDRC_IO_CALIBR_DDR3_RZQ_44 0x3 +#define ATMEL_MPDDRC_IO_CALIBR_DDR3_RZQ_55 0x4 +#define ATMEL_MPDDRC_IO_CALIBR_DDR3_RZQ_73 0x6 +#define ATMEL_MPDDRC_IO_CALIBR_DDR3_RZQ_110 0x7 + +#define ATMEL_MPDDRC_IO_CALIBR_DDR3_RZQ_37 0x2 +#define ATMEL_MPDDRC_IO_CALIBR_DDR3_RZQ_44 0x3 +#define ATMEL_MPDDRC_IO_CALIBR_DDR3_RZQ_55 0x4 +#define ATMEL_MPDDRC_IO_CALIBR_DDR3_RZQ_73 0x6 +#define ATMEL_MPDDRC_IO_CALIBR_DDR3_RZQ_110 0x7 + +#define ATMEL_MPDDRC_IO_CALIBR_TZQIO (0x7f << 8) +#define ATMEL_MPDDRC_IO_CALIBR_TZQIO_(x) (((x) & 0x7f) << 8) + +#define ATMEL_MPDDRC_IO_CALIBR_CALCODEP (0xf << 16) +#define ATMEL_MPDDRC_IO_CALIBR_CALCODEP_(x) (((x) & 0xf) << 16) +#define ATMEL_MPDDRC_IO_CALIBR_CALCODEN (0xf << 20) +#define ATMEL_MPDDRC_IO_CALIBR_CALCODEN_(x) (((x) & 0xf) << 20) + +#define ATMEL_MPDDRC_IO_CALIBR_EN_CALIB (0x1 << 4) + +/* Bit field in Read Data Path Register */ +#define ATMEL_MPDDRC_RD_DATA_PATH_SHIFT_SAMPLING 0x3 +#define ATMEL_MPDDRC_RD_DATA_PATH_NO_SHIFT 0x0 +#define ATMEL_MPDDRC_RD_DATA_PATH_SHIFT_ONE_CYCLE 0x1 +#define ATMEL_MPDDRC_RD_DATA_PATH_SHIFT_TWO_CYCLE 0x2 +#define ATMEL_MPDDRC_RD_DATA_PATH_SHIFT_THREE_CYCLE 0x3 + +/* Bit field in LPDDR2 - LPDDR3 Low Power Register */ +#define ATMEL_MPDDRC_LPDDR23_LPR_DS(x) (((x) & 0xf) << 24) + +/* Bit field in CAL_MR4 Calibration and MR4 Register */ +#define ATMEL_MPDDRC_CAL_MR4_COUNT_CAL(x) (((x) & 0xffff) << 0) +#define ATMEL_MPDDRC_CAL_MR4_MR4R(x) (((x) & 0xffff) << 16) + +/* Bit field in TIM_CAL Timing Calibration Register */ +#define ATMEL_MPDDRC_CALR_ZQCS(x) (((x) & 0xff) << 0) + +#endif |