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https://github.com/AsahiLinux/u-boot
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e044daa33e
It is going to be useful in more than one place. Signed-off-by: Siarhei Siamashka <siarhei.siamashka@gmail.com> Acked-by: Ian Campbell <ijc@hellion.org.uk> Signed-off-by: Hans de Goede <hdegoede@redhat.com>
183 lines
6.4 KiB
C
183 lines
6.4 KiB
C
/*
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* (C) Copyright 2007-2012
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* Allwinner Technology Co., Ltd. <www.allwinnertech.com>
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* Berg Xing <bergxing@allwinnertech.com>
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* Tom Cubie <tangliang@allwinnertech.com>
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*
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* Sunxi platform dram register definition.
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*
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* SPDX-License-Identifier: GPL-2.0+
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*/
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#ifndef _SUNXI_DRAM_H
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#define _SUNXI_DRAM_H
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#include <linux/types.h>
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struct sunxi_dram_reg {
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u32 ccr; /* 0x00 controller configuration register */
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u32 dcr; /* 0x04 dram configuration register */
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u32 iocr; /* 0x08 i/o configuration register */
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u32 csr; /* 0x0c controller status register */
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u32 drr; /* 0x10 dram refresh register */
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u32 tpr0; /* 0x14 dram timing parameters register 0 */
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u32 tpr1; /* 0x18 dram timing parameters register 1 */
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u32 tpr2; /* 0x1c dram timing parameters register 2 */
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u32 gdllcr; /* 0x20 global dll control register */
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u8 res0[0x28];
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u32 rslr0; /* 0x4c rank system latency register */
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u32 rslr1; /* 0x50 rank system latency register */
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u8 res1[0x8];
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u32 rdgr0; /* 0x5c rank dqs gating register */
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u32 rdgr1; /* 0x60 rank dqs gating register */
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u8 res2[0x34];
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u32 odtcr; /* 0x98 odt configuration register */
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u32 dtr0; /* 0x9c data training register 0 */
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u32 dtr1; /* 0xa0 data training register 1 */
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u32 dtar; /* 0xa4 data training address register */
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u32 zqcr0; /* 0xa8 zq control register 0 */
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u32 zqcr1; /* 0xac zq control register 1 */
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u32 zqsr; /* 0xb0 zq status register */
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u32 idcr; /* 0xb4 initializaton delay configure reg */
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u8 res3[0x138];
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u32 mr; /* 0x1f0 mode register */
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u32 emr; /* 0x1f4 extended mode register */
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u32 emr2; /* 0x1f8 extended mode register */
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u32 emr3; /* 0x1fc extended mode register */
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u32 dllctr; /* 0x200 dll control register */
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u32 dllcr[5]; /* 0x204 dll control register 0(byte 0) */
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/* 0x208 dll control register 1(byte 1) */
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/* 0x20c dll control register 2(byte 2) */
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/* 0x210 dll control register 3(byte 3) */
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/* 0x214 dll control register 4(byte 4) */
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u32 dqtr0; /* 0x218 dq timing register */
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u32 dqtr1; /* 0x21c dq timing register */
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u32 dqtr2; /* 0x220 dq timing register */
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u32 dqtr3; /* 0x224 dq timing register */
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u32 dqstr; /* 0x228 dqs timing register */
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u32 dqsbtr; /* 0x22c dqsb timing register */
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u32 mcr; /* 0x230 mode configure register */
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u8 res[0x8];
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u32 ppwrsctl; /* 0x23c pad power save control */
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u32 apr; /* 0x240 arbiter period register */
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u32 pldtr; /* 0x244 priority level data threshold reg */
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u8 res5[0x8];
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u32 hpcr[32]; /* 0x250 host port configure register */
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u8 res6[0x10];
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u32 csel; /* 0x2e0 controller select register */
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};
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struct dram_para {
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u32 clock;
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u32 mbus_clock;
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u32 type;
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u32 rank_num;
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u32 density;
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u32 io_width;
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u32 bus_width;
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u32 cas;
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u32 zq;
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u32 odt_en;
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u32 size;
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u32 tpr0;
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u32 tpr1;
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u32 tpr2;
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u32 tpr3;
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u32 tpr4;
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u32 tpr5;
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u32 emr1;
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u32 emr2;
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u32 emr3;
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};
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#define DRAM_CCR_COMMAND_RATE_1T (0x1 << 5)
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#define DRAM_CCR_DQS_GATE (0x1 << 14)
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#define DRAM_CCR_DQS_DRIFT_COMP (0x1 << 17)
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#define DRAM_CCR_ITM_OFF (0x1 << 28)
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#define DRAM_CCR_DATA_TRAINING (0x1 << 30)
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#define DRAM_CCR_INIT (0x1 << 31)
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#define DRAM_MEMORY_TYPE_DDR1 1
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#define DRAM_MEMORY_TYPE_DDR2 2
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#define DRAM_MEMORY_TYPE_DDR3 3
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#define DRAM_MEMORY_TYPE_LPDDR2 4
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#define DRAM_MEMORY_TYPE_LPDDR 5
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#define DRAM_DCR_TYPE (0x1 << 0)
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#define DRAM_DCR_TYPE_DDR2 0x0
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#define DRAM_DCR_TYPE_DDR3 0x1
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#define DRAM_DCR_IO_WIDTH(n) (((n) & 0x3) << 1)
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#define DRAM_DCR_IO_WIDTH_MASK DRAM_DCR_IO_WIDTH(0x3)
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#define DRAM_DCR_IO_WIDTH_8BIT 0x0
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#define DRAM_DCR_IO_WIDTH_16BIT 0x1
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#define DRAM_DCR_CHIP_DENSITY(n) (((n) & 0x7) << 3)
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#define DRAM_DCR_CHIP_DENSITY_MASK DRAM_DCR_CHIP_DENSITY(0x7)
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#define DRAM_DCR_CHIP_DENSITY_256M 0x0
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#define DRAM_DCR_CHIP_DENSITY_512M 0x1
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#define DRAM_DCR_CHIP_DENSITY_1024M 0x2
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#define DRAM_DCR_CHIP_DENSITY_2048M 0x3
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#define DRAM_DCR_CHIP_DENSITY_4096M 0x4
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#define DRAM_DCR_CHIP_DENSITY_8192M 0x5
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#define DRAM_DCR_BUS_WIDTH(n) (((n) & 0x7) << 6)
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#define DRAM_DCR_BUS_WIDTH_MASK DRAM_DCR_BUS_WIDTH(0x7)
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#define DRAM_DCR_BUS_WIDTH_32BIT 0x3
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#define DRAM_DCR_BUS_WIDTH_16BIT 0x1
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#define DRAM_DCR_BUS_WIDTH_8BIT 0x0
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#define DRAM_DCR_RANK_SEL(n) (((n) & 0x3) << 10)
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#define DRAM_DCR_RANK_SEL_MASK DRAM_DCR_CMD_RANK(0x3)
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#define DRAM_DCR_CMD_RANK_ALL (0x1 << 12)
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#define DRAM_DCR_MODE(n) (((n) & 0x3) << 13)
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#define DRAM_DCR_MODE_MASK DRAM_DCR_MODE(0x3)
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#define DRAM_DCR_MODE_SEQ 0x0
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#define DRAM_DCR_MODE_INTERLEAVE 0x1
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#define DRAM_CSR_DTERR (0x1 << 20)
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#define DRAM_CSR_DTIERR (0x1 << 21)
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#define DRAM_CSR_FAILED (DRAM_CSR_DTERR | DRAM_CSR_DTIERR)
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#define DRAM_DRR_TRFC(n) ((n) & 0xff)
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#define DRAM_DRR_TREFI(n) (((n) & 0xffff) << 8)
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#define DRAM_DRR_BURST(n) ((((n) - 1) & 0xf) << 24)
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#define DRAM_MCR_MODE_NORM(n) (((n) & 0x3) << 0)
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#define DRAM_MCR_MODE_NORM_MASK DRAM_MCR_MOD_NORM(0x3)
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#define DRAM_MCR_MODE_DQ_OUT(n) (((n) & 0x3) << 2)
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#define DRAM_MCR_MODE_DQ_OUT_MASK DRAM_MCR_MODE_DQ_OUT(0x3)
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#define DRAM_MCR_MODE_ADDR_OUT(n) (((n) & 0x3) << 4)
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#define DRAM_MCR_MODE_ADDR_OUT_MASK DRAM_MCR_MODE_ADDR_OUT(0x3)
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#define DRAM_MCR_MODE_DQ_IN_OUT(n) (((n) & 0x3) << 6)
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#define DRAM_MCR_MODE_DQ_IN_OUT_MASK DRAM_MCR_MODE_DQ_IN_OUT(0x3)
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#define DRAM_MCR_MODE_DQ_TURNON_DELAY(n) (((n) & 0x7) << 8)
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#define DRAM_MCR_MODE_DQ_TURNON_DELAY_MASK DRAM_MCR_MODE_DQ_TURNON_DELAY(0x7)
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#define DRAM_MCR_MODE_ADDR_IN (0x1 << 11)
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#define DRAM_MCR_RESET (0x1 << 12)
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#define DRAM_MCR_MODE_EN(n) (((n) & 0x3) << 13)
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#define DRAM_MCR_MODE_EN_MASK DRAM_MCR_MOD_EN(0x3)
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#define DRAM_MCR_DCLK_OUT (0x1 << 16)
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#define DRAM_DLLCR_NRESET (0x1 << 30)
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#define DRAM_DLLCR_DISABLE (0x1 << 31)
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#define DRAM_ZQCR0_IMP_DIV(n) (((n) & 0xff) << 20)
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#define DRAM_ZQCR0_IMP_DIV_MASK DRAM_ZQCR0_IMP_DIV(0xff)
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#define DRAM_ZQCR0_ZCAL (1 << 31) /* Starts ZQ calibration when set to 1 */
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#define DRAM_ZQCR0_ZDEN (1 << 28) /* Uses ZDATA instead of doing calibration */
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#define DRAM_ZQSR_ZDONE (1 << 31) /* ZQ calibration completion flag */
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#define DRAM_IOCR_ODT_EN(n) ((((n) & 0x3) << 30) | ((n) & 0x3) << 0)
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#define DRAM_IOCR_ODT_EN_MASK DRAM_IOCR_ODT_EN(0x3)
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#define DRAM_MR_BURST_LENGTH(n) (((n) & 0x7) << 0)
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#define DRAM_MR_BURST_LENGTH_MASK DRAM_MR_BURST_LENGTH(0x7)
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#define DRAM_MR_CAS_LAT(n) (((n) & 0x7) << 4)
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#define DRAM_MR_CAS_LAT_MASK DRAM_MR_CAS_LAT(0x7)
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#define DRAM_MR_WRITE_RECOVERY(n) (((n) & 0x7) << 9)
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#define DRAM_MR_WRITE_RECOVERY_MASK DRAM_MR_WRITE_RECOVERY(0x7)
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#define DRAM_MR_POWER_DOWN (0x1 << 12)
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#define DRAM_CSEL_MAGIC 0x16237495
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unsigned long sunxi_dram_init(void);
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unsigned long dramc_init(struct dram_para *para);
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#endif /* _SUNXI_DRAM_H */
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