diff options
Diffstat (limited to 'arch/arm/include/asm')
-rw-r--r-- | arch/arm/include/asm/arch-rockchip/sdram_px30.h | 134 |
1 files changed, 134 insertions, 0 deletions
diff --git a/arch/arm/include/asm/arch-rockchip/sdram_px30.h b/arch/arm/include/asm/arch-rockchip/sdram_px30.h new file mode 100644 index 0000000000..2ab8e97ae1 --- /dev/null +++ b/arch/arm/include/asm/arch-rockchip/sdram_px30.h @@ -0,0 +1,134 @@ +/* SPDX-License-Identifier: GPL-2.0+ */ +/* + * Copyright (C) 2018 Rockchip Electronics Co., Ltd + */ + +#ifndef _ASM_ARCH_SDRAM_PX30_H +#define _ASM_ARCH_SDRAM_PX30_H +#include <asm/arch-rockchip/sdram_common.h> +#include <asm/arch-rockchip/sdram_msch.h> +#include <asm/arch-rockchip/sdram_pctl_px30.h> +#include <asm/arch-rockchip/sdram_phy_px30.h> +#include <asm/arch-rockchip/sdram_phy_ron_rtt_px30.h> + +#define SR_IDLE 93 +#define PD_IDLE 13 + +/* PMUGRF */ +#define PMUGRF_OS_REG0 (0x200) +#define PMUGRF_OS_REG(n) (PMUGRF_OS_REG0 + (n) * 4) + +/* DDR GRF */ +#define DDR_GRF_CON(n) (0 + (n) * 4) +#define DDR_GRF_STATUS_BASE (0X100) +#define DDR_GRF_STATUS(n) (DDR_GRF_STATUS_BASE + (n) * 4) +#define DDR_GRF_LP_CON (0x20) + +#define SPLIT_MODE_32_L16_VALID (0) +#define SPLIT_MODE_32_H16_VALID (1) +#define SPLIT_MODE_16_L8_VALID (2) +#define SPLIT_MODE_16_H8_VALID (3) + +#define DDR_GRF_SPLIT_CON (0x8) +#define SPLIT_MODE_MASK (0x3) +#define SPLIT_MODE_OFFSET (9) +#define SPLIT_BYPASS_MASK (1) +#define SPLIT_BYPASS_OFFSET (8) +#define SPLIT_SIZE_MASK (0xff) +#define SPLIT_SIZE_OFFSET (0) + +/* CRU define */ +/* CRU_PLL_CON0 */ +#define PB(n) ((0x1 << (15 + 16)) | ((n) << 15)) +#define POSTDIV1(n) ((0x7 << (12 + 16)) | ((n) << 12)) +#define FBDIV(n) ((0xFFF << 16) | (n)) + +/* CRU_PLL_CON1 */ +#define RSTMODE(n) ((0x1 << (15 + 16)) | ((n) << 15)) +#define RST(n) ((0x1 << (14 + 16)) | ((n) << 14)) +#define PD(n) ((0x1 << (13 + 16)) | ((n) << 13)) +#define DSMPD(n) ((0x1 << (12 + 16)) | ((n) << 12)) +#define LOCK(n) (((n) >> 10) & 0x1) +#define POSTDIV2(n) ((0x7 << (6 + 16)) | ((n) << 6)) +#define REFDIV(n) ((0x3F << 16) | (n)) + +/* CRU_MODE */ +#define CLOCK_FROM_XIN_OSC (0) +#define CLOCK_FROM_PLL (1) +#define CLOCK_FROM_RTC_32K (2) +#define DPLL_MODE(n) ((0x3 << (4 + 16)) | ((n) << 4)) + +/* CRU_SOFTRESET_CON1 */ +#define upctl2_psrstn_req(n) (((0x1 << 6) << 16) | ((n) << 6)) +#define upctl2_asrstn_req(n) (((0x1 << 5) << 16) | ((n) << 5)) +#define upctl2_srstn_req(n) (((0x1 << 4) << 16) | ((n) << 4)) + +/* CRU_SOFTRESET_CON2 */ +#define ddrphy_psrstn_req(n) (((0x1 << 2) << 16) | ((n) << 2)) +#define ddrphy_srstn_req(n) (((0x1 << 0) << 16) | ((n) << 0)) + +/* CRU register */ +#define CRU_PLL_CON(pll_id, n) ((pll_id) * 0x20 + (n) * 4) +#define CRU_MODE (0xa0) +#define CRU_GLB_CNT_TH (0xb0) +#define CRU_CLKSEL_CON_BASE 0x100 +#define CRU_CLKSELS_CON(i) (CRU_CLKSEL_CON_BASE + ((i) * 4)) +#define CRU_CLKGATE_CON_BASE 0x200 +#define CRU_CLKGATE_CON(i) (CRU_CLKGATE_CON_BASE + ((i) * 4)) +#define CRU_CLKSFTRST_CON_BASE 0x300 +#define CRU_CLKSFTRST_CON(i) (CRU_CLKSFTRST_CON_BASE + ((i) * 4)) + +struct px30_ddr_grf_regs { + u32 ddr_grf_con[4]; + u32 reserved1[(0x20 - 0x10) / 4]; + u32 ddr_grf_lp_con; + u32 reserved2[(0x100 - 0x24) / 4]; + u32 ddr_grf_status[11]; +}; + +struct msch_regs { + u32 coreid; + u32 revisionid; + u32 deviceconf; + u32 devicesize; + u32 ddrtiminga0; + u32 ddrtimingb0; + u32 ddrtimingc0; + u32 devtodev0; + u32 reserved1[(0x110 - 0x20) / 4]; + u32 ddrmode; + u32 ddr4timing; + u32 reserved2[(0x1000 - 0x118) / 4]; + u32 agingx0; + u32 reserved3[(0x1040 - 0x1004) / 4]; + u32 aging0; + u32 aging1; + u32 aging2; + u32 aging3; +}; + +struct sdram_msch_timings { + union noc_ddrtiminga0 ddrtiminga0; + union noc_ddrtimingb0 ddrtimingb0; + union noc_ddrtimingc0 ddrtimingc0; + union noc_devtodev0 devtodev0; + union noc_ddrmode ddrmode; + union noc_ddr4timing ddr4timing; + u32 agingx0; +}; + +struct px30_sdram_channel { + struct sdram_cap_info cap_info; + struct sdram_msch_timings noc_timings; +}; + +struct px30_sdram_params { + struct px30_sdram_channel ch; + struct sdram_base_params base; + struct ddr_pctl_regs pctl_regs; + struct ddr_phy_regs phy_regs; + struct ddr_phy_skew *skew; +}; + +int sdram_init(void); +#endif |