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/* SPDX-License-Identifier: GPL-2.0+ */
/*
* Copyright (C) 2017 Rockchip Electronics Co., Ltd.
*/
#ifndef _MACH_ROCKCHIP_DMC_H
#define _MACH_ROCKCHIP_DMC_H
#include <linux/compiler.h>
#include <linux/types.h>
#include <linux/bitfield.h>
enum {
DDR4 = 0,
DDR3 = 0x3,
LPDDR2 = 0x5,
LPDDR3 = 0x6,
LPDDR4 = 0x7,
UNUSED = 0xFF
};
/*
* sys_reg2 bitfield struct
* [31] row_3_4_ch1
* [30] row_3_4_ch0
* [29:28] chinfo
* [27] rank_ch1
* [26:25] col_ch1
* [24] bk_ch1
* [23:22] low bits of cs0_row_ch1
* [21:20] low bits of cs1_row_ch1
* [19:18] bw_ch1
* [17:16] dbw_ch1;
* [15:13] ddrtype
* [12] channelnum
* [11] rank_ch0
* [10:9] col_ch0,
* [8] bk_ch0
* [7:6] low bits of cs0_row_ch0
* [5:4] low bits of cs1_row_ch0
* [3:2] bw_ch0
* [1:0] dbw_ch0
*/
#define SYS_REG_DDRTYPE GENMASK(15, 13)
#define SYS_REG_NUM_CH BIT(12)
#define SYS_REG_ROW_3_4_SHIFT(ch) (30 + (ch))
#define SYS_REG_ROW_3_4_MASK 1
#define SYS_REG_CHINFO_SHIFT(ch) (28 + (ch))
#define SYS_REG_RANK_SHIFT(ch) (11 + (ch) * 16)
#define SYS_REG_RANK_MASK 1
#define SYS_REG_COL_SHIFT(ch) (9 + (ch) * 16)
#define SYS_REG_COL_MASK 3
#define SYS_REG_BK_SHIFT(ch) (8 + (ch) * 16)
#define SYS_REG_BK_MASK 1
#define SYS_REG_CS0_ROW_SHIFT(ch) (6 + (ch) * 16)
#define SYS_REG_CS0_ROW_MASK 3
#define SYS_REG_CS1_ROW_SHIFT(ch) (4 + (ch) * 16)
#define SYS_REG_CS1_ROW_MASK 3
#define SYS_REG_BW_SHIFT(ch) (2 + (ch) * 16)
#define SYS_REG_BW_MASK 3
#define SYS_REG_DBW_SHIFT(ch) ((ch) * 16)
#define SYS_REG_DBW_MASK 3
/*
* sys_reg3 bitfield struct
* [7] high bit of cs0_row_ch1
* [6] high bit of cs1_row_ch1
* [5] high bit of cs0_row_ch0
* [4] high bit of cs1_row_ch0
* [3:2] cs1_col_ch1
* [1:0] cs1_col_ch0
*/
#define SYS_REG_VERSION GENMASK(31, 28)
#define SYS_REG_EXTEND_DDRTYPE GENMASK(13, 12)
#define SYS_REG_EXTEND_CS0_ROW_SHIFT(ch) (5 + (ch) * 2)
#define SYS_REG_EXTEND_CS0_ROW_MASK 1
#define SYS_REG_EXTEND_CS1_ROW_SHIFT(ch) (4 + (ch) * 2)
#define SYS_REG_EXTEND_CS1_ROW_MASK 1
#define SYS_REG_CS1_COL_SHIFT(ch) (0 + (ch) * 2)
#define SYS_REG_CS1_COL_MASK 3
resource_size_t rk3399_ram0_size(void);
resource_size_t rk3568_ram0_size(void);
#endif
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