mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-12-21 10:43:06 +00:00
cd93d625fd
Move this uncommon header out of the common header. Signed-off-by: Simon Glass <sjg@chromium.org>
66 lines
1.6 KiB
C
66 lines
1.6 KiB
C
/* 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>
|
|
|
|
#ifndef __ASSEMBLY__
|
|
#include <linux/bitops.h>
|
|
#endif
|
|
|
|
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
|