diff options
Diffstat (limited to 'arch/arm/include')
| -rw-r--r-- | arch/arm/include/asm/arch-rockchip/sdram_phy_px30.h | 62 | ||||
| -rw-r--r-- | arch/arm/include/asm/arch-rockchip/sdram_phy_ron_rtt_px30.h | 59 |
2 files changed, 121 insertions, 0 deletions
diff --git a/arch/arm/include/asm/arch-rockchip/sdram_phy_px30.h b/arch/arm/include/asm/arch-rockchip/sdram_phy_px30.h new file mode 100644 index 0000000..c75a633 --- /dev/null +++ b/arch/arm/include/asm/arch-rockchip/sdram_phy_px30.h @@ -0,0 +1,62 @@ +/* SPDX-License-Identifier: GPL-2.0+ */ +/* + * Copyright (C) 2018 Rockchip Electronics Co., Ltd + */ + +#ifndef _ASM_ARCH_SDRAM_PHY_PX30_H +#define _ASM_ARCH_SDRAM_PHY_PX30_H +#include <asm/arch-rockchip/sdram_common.h> +#include <asm/arch-rockchip/sdram_phy_ron_rtt_px30.h> + +struct ddr_phy_regs { + u32 phy[5][2]; +}; + +#define PHY_REG(base, n) ((base) + 4 * (n)) + +/* PHY_REG0 */ +#define DIGITAL_DERESET BIT(3) +#define ANALOG_DERESET BIT(2) +#define DIGITAL_RESET (0 << 3) +#define ANALOG_RESET (0 << 2) + +/* PHY_REG1 */ +#define PHY_DDR2 (0) +#define PHY_LPDDR2 (1) +#define PHY_DDR3 (2) +#define PHY_LPDDR3 (3) +#define PHY_DDR4 (4) +#define PHY_BL_4 (0 << 2) +#define PHY_BL_8 BIT(2) + +/* PHY_REG2 */ +#define PHY_DTT_EN BIT(0) +#define PHY_DTT_DISB (0 << 0) +#define PHY_WRITE_LEVELING_EN BIT(2) +#define PHY_WRITE_LEVELING_DISB (0 << 2) +#define PHY_SELECT_CS0 (2) +#define PHY_SELECT_CS1 (1) +#define PHY_SELECT_CS0_1 (0) +#define PHY_WRITE_LEVELING_SELECTCS(n) ((n) << 6) +#define PHY_DATA_TRAINING_SELECTCS(n) ((n) << 4) + +struct ddr_phy_skew { + u32 a0_a1_skew[15]; + u32 cs0_dm0_skew[11]; + u32 cs0_dm1_skew[11]; + u32 cs0_dm2_skew[11]; + u32 cs0_dm3_skew[11]; + u32 cs1_dm0_skew[11]; + u32 cs1_dm1_skew[11]; + u32 cs1_dm2_skew[11]; + u32 cs1_dm3_skew[11]; +}; + +void phy_soft_reset(void __iomem *phy_base); +void phy_dram_set_bw(void __iomem *phy_base, u32 bw); +void phy_cfg(void __iomem *phy_base, + struct ddr_phy_regs *phy_regs, struct ddr_phy_skew *skew, + struct sdram_base_params *base, u32 bw); +int phy_data_training(void __iomem *phy_base, u32 cs, u32 dramtype); + +#endif diff --git a/arch/arm/include/asm/arch-rockchip/sdram_phy_ron_rtt_px30.h b/arch/arm/include/asm/arch-rockchip/sdram_phy_ron_rtt_px30.h new file mode 100644 index 0000000..9c15232 --- /dev/null +++ b/arch/arm/include/asm/arch-rockchip/sdram_phy_ron_rtt_px30.h @@ -0,0 +1,59 @@ +/* SPDX-License-Identifier: GPL-2.0+ */ +/* + * Copyright (C) 2018 Rockchip Electronics Co., Ltd + */ + +#ifndef _ASM_ARCH_SDRAM_PHY_RON_RTT_PX30_H +#define _ASM_ARCH_SDRAM_PHY_RON_RTT_PX30_H + +#define PHY_DDR3_RON_RTT_DISABLE (0) +#define PHY_DDR3_RON_RTT_451ohm (1) +#define PHY_DDR3_RON_RTT_225ohm (2) +#define PHY_DDR3_RON_RTT_150ohm (3) +#define PHY_DDR3_RON_RTT_112ohm (4) +#define PHY_DDR3_RON_RTT_90ohm (5) +#define PHY_DDR3_RON_RTT_75ohm (6) +#define PHY_DDR3_RON_RTT_64ohm (7) +#define PHY_DDR3_RON_RTT_56ohm (16) +#define PHY_DDR3_RON_RTT_50ohm (17) +#define PHY_DDR3_RON_RTT_45ohm (18) +#define PHY_DDR3_RON_RTT_41ohm (19) +#define PHY_DDR3_RON_RTT_37ohm (20) +#define PHY_DDR3_RON_RTT_34ohm (21) +#define PHY_DDR3_RON_RTT_33ohm (22) +#define PHY_DDR3_RON_RTT_30ohm (23) +#define PHY_DDR3_RON_RTT_28ohm (24) +#define PHY_DDR3_RON_RTT_26ohm (25) +#define PHY_DDR3_RON_RTT_25ohm (26) +#define PHY_DDR3_RON_RTT_23ohm (27) +#define PHY_DDR3_RON_RTT_22ohm (28) +#define PHY_DDR3_RON_RTT_21ohm (29) +#define PHY_DDR3_RON_RTT_20ohm (30) +#define PHY_DDR3_RON_RTT_19ohm (31) + +#define PHY_DDR4_LPDDR3_RON_RTT_DISABLE (0) +#define PHY_DDR4_LPDDR3_RON_RTT_480ohm (1) +#define PHY_DDR4_LPDDR3_RON_RTT_240ohm (2) +#define PHY_DDR4_LPDDR3_RON_RTT_160ohm (3) +#define PHY_DDR4_LPDDR3_RON_RTT_120ohm (4) +#define PHY_DDR4_LPDDR3_RON_RTT_96ohm (5) +#define PHY_DDR4_LPDDR3_RON_RTT_80ohm (6) +#define PHY_DDR4_LPDDR3_RON_RTT_68ohm (7) +#define PHY_DDR4_LPDDR3_RON_RTT_60ohm (16) +#define PHY_DDR4_LPDDR3_RON_RTT_53ohm (17) +#define PHY_DDR4_LPDDR3_RON_RTT_48ohm (18) +#define PHY_DDR4_LPDDR3_RON_RTT_43ohm (19) +#define PHY_DDR4_LPDDR3_RON_RTT_40ohm (20) +#define PHY_DDR4_LPDDR3_RON_RTT_37ohm (21) +#define PHY_DDR4_LPDDR3_RON_RTT_34ohm (22) +#define PHY_DDR4_LPDDR3_RON_RTT_32ohm (23) +#define PHY_DDR4_LPDDR3_RON_RTT_30ohm (24) +#define PHY_DDR4_LPDDR3_RON_RTT_28ohm (25) +#define PHY_DDR4_LPDDR3_RON_RTT_26ohm (26) +#define PHY_DDR4_LPDDR3_RON_RTT_25ohm (27) +#define PHY_DDR4_LPDDR3_RON_RTT_24ohm (28) +#define PHY_DDR4_LPDDR3_RON_RTT_22ohm (29) +#define PHY_DDR4_LPDDR3_RON_RTT_21ohm (30) +#define PHY_DDR4_LPDDR3_RON_RTT_20ohm (31) + +#endif |