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authorKever Yang <kever.yang@rock-chips.com>2017-02-22 16:56:35 +0800
committerSimon Glass <sjg@chromium.org>2017-03-16 16:03:45 -0600
commitfa437430ad9861886f5766151757a99de647d086 (patch)
tree670ca3034201d5194678efbf1e6826266ad6d3ea
parent26d5ee8f9b29e06272f8bab052b12df90fe7b6f8 (diff)
rockchip: arm64: rk3399: add ddr controller driver
RK3399 support DDR3, LPDDR3, DDR4 sdram, this patch is porting from coreboot, support 4GB lpddr3 in this version. Signed-off-by: Kever Yang <kever.yang@rock-chips.com> Added rockchip: tag: Signed-off-by: Simon Glass <sjg@chromium.org>
-rw-r--r--arch/arm/dts/rk3399-sdram-lpddr3-4GB-1600.dtsi1536
-rw-r--r--arch/arm/include/asm/arch-rockchip/sdram_rk3399.h119
-rw-r--r--arch/arm/mach-rockchip/rk3399/Makefile1
-rw-r--r--arch/arm/mach-rockchip/rk3399/rk3399.c1
-rw-r--r--arch/arm/mach-rockchip/rk3399/sdram_rk3399.c1321
-rw-r--r--doc/device-tree-bindings/clock/rockchip,rk3399-dmc.txt42
6 files changed, 3020 insertions, 0 deletions
diff --git a/arch/arm/dts/rk3399-sdram-lpddr3-4GB-1600.dtsi b/arch/arm/dts/rk3399-sdram-lpddr3-4GB-1600.dtsi
new file mode 100644
index 0000000000..65dfc3806c
--- /dev/null
+++ b/arch/arm/dts/rk3399-sdram-lpddr3-4GB-1600.dtsi
@@ -0,0 +1,1536 @@
+/*
+ * (C) Copyright 2016 Rockchip Electronics Co., Ltd
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+&dmc {
+ rockchip,sdram-params = <
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+ 0xa
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+ 0x2
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+ 0x00000000
+ 0x00000000
+ 0x00000000
+ 0x00000000
+ 0x00000000
+ 0x00000000
+ 0x00000000
+ 0x00000000
+ 0x00000000
+ 0x00000000
+ 0x00000000
+ 0x00000000
+ 0x00000000
+ 0x00000000
+ 0x00000000
+ 0x00000000
+ 0x00000000
+ 0x00800000
+ 0x00000000
+ 0x00000000
+ 0x00000000
+ 0x00000000
+ 0x00000000
+ 0x00000001
+ 0x00000000
+ 0x00000000
+ 0x00000000
+ 0x00400320
+ 0x00000040
+ 0x00806420
+ 0x00917531
+ 0x00806420
+ 0x01917531
+ 0x00020003
+ 0x00000000
+ 0x00000000
+ 0x00000000
+ 0x000556aa
+ 0x000aaaaa
+ 0x000aa955
+ 0x00055555
+ 0x000b3133
+ 0x0004cd33
+ 0x0004cecc
+ 0x000b32cc
+ 0x0a418820
+ 0x103f0000
+ 0x0000003f
+ 0x00038055
+ 0x03800380
+ 0x03800380
+ 0x00000380
+ 0x42080010
+ 0x00000003
+ 0x00000000
+ 0x00000000
+ 0x00000000
+ 0x00000000
+ 0x00000000
+ 0x00000000
+ 0x00000000
+ 0x00000000
+ 0x00000000
+ 0x00000000
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+ 0x00000000
+ 0x00000000
+ 0x00000000
+ 0x00000000
+ 0x00000000
+ 0x00000000
+ 0x00000000
+ 0x00000000
+ 0x00000000
+ 0x00000000
+ 0x00000000
+ 0x00000000
+ 0x00000000
+ 0x00000000
+ 0x00000000
+ 0x00000000
+ 0x00000000
+ 0x00000000
+ 0x00000000
+ 0x00000000
+ 0x00000000
+ 0x00000000
+ 0x00000000
+ 0x00000000
+ 0x00000000
+ 0x00000000
+ 0x00000000
+ 0x00000000
+ 0x00000000
+ 0x00000000
+ 0x00000000
+ 0x00000000
+ 0x00000000
+ 0x00000000
+ 0x00000000
+ 0x00000000
+ 0x00000000
+ 0x00000000
+ 0x00000000
+ 0x00000000
+ 0x00000000
+ 0x00000000
+ 0x00000000
+ 0x00000000
+ 0x00000000
+ 0x00000000
+ 0x00000000
+ 0x00000000
+ 0x00000000
+ 0x00000000
+ 0x00000000
+ 0x00000000
+ 0x00000000
+ 0x00000000
+ 0x00000000
+ 0x00000000
+ 0x00000000
+ 0x00000000
+ 0x00000000
+ 0x00000000
+ 0x00000000
+ 0x00000000
+ 0x00000000
+ 0x00000000
+ 0x00000000
+ 0x00000000
+ 0x00000000
+ 0x00000000
+ 0x00000000
+ 0x00000000
+ 0x00000000
+ 0x00000000
+ 0x00000000
+ 0x00000000
+ 0x00000000
+ 0x00000000
+ 0x00000000
+ 0x00000000
+ 0x00000000
+ 0x00800000
+ 0x00000000
+ 0x00000000
+ 0x00000000
+ 0x00000000
+ 0x00000000
+ 0x00000001
+ 0x00000000
+ 0x00000000
+ 0x00000000
+ 0x00400320
+ 0x00000040
+ 0x00008eca
+ 0x00009fdb
+ 0x00008eca
+ 0x01009fdb
+ 0x00020003
+ 0x00000000
+ 0x00000000
+ 0x00000000
+ 0x000556aa
+ 0x000aaaaa
+ 0x000aa955
+ 0x00055555
+ 0x000b3133
+ 0x0004cd33
+ 0x0004cecc
+ 0x000b32cc
+ 0x0004a0e6
+ 0x080f0000
+ 0x0000000f
+ 0x00038055
+ 0x03800380
+ 0x03800380
+ 0x00000380
+ 0x42080010
+ 0x00000003
+ 0x00000000
+ 0x00000000
+ 0x00000000
+ 0x00000000
+ 0x00000000
+ 0x00000000
+ 0x00000000
+ 0x00000000
+ 0x00000000
+ 0x00000000
+ 0x00000000
+ 0x00000000
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+ 0x00000000
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+ 0x00000000
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+ 0x00000000
+ 0x00000000
+ 0x00000000
+ 0x00000000
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+ 0x00000000
+ 0x00000000
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+ 0x00000000
+ 0x00000000
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+ 0x00000000
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+ 0x00000000
+ 0x00000000
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+ 0x00000000
+ 0x00000000
+ 0x00000000
+ 0x00000000
+ 0x00000000
+ 0x00000000
+ 0x00000000
+ 0x00000000
+ 0x00000000
+ 0x00000000
+ 0x00000000
+ 0x00000000
+ 0x00000000
+ 0x00000000
+ 0x00000000
+ 0x00000000
+ 0x00000000
+ 0x00000000
+ 0x00000000
+ 0x00000000
+ 0x00000000
+ 0x00000000
+ 0x00000000
+ 0x00000000
+ 0x00000000
+ 0x00000000
+ 0x00000000
+ 0x00000000
+ 0x00800000
+ 0x00000000
+ 0x00000000
+ 0x00000000
+ 0x00000000
+ 0x00000000
+ 0x00000001
+ 0x00000000
+ 0x00000000
+ 0x00000000
+ 0x00400320
+ 0x00000040
+ 0x00008eca
+ 0x00009fdb
+ 0x00008eca
+ 0x01009fdb
+ 0x00020003
+ 0x00000000
+ 0x00000000
+ 0x00000000
+ 0x000556aa
+ 0x000aaaaa
+ 0x000aa955
+ 0x00055555
+ 0x000b3133
+ 0x0004cd33
+ 0x0004cecc
+ 0x000b32cc
+ 0x1ee6b16a
+ 0x10000000
+ 0x00000000
+ 0x00038055
+ 0x03800380
+ 0x03800380
+ 0x00000380
+ 0x42080010
+ 0x00000003
+ 0x00000000
+ 0x00000000
+ 0x00000000
+ 0x00000000
+ 0x00000000
+ 0x00000000
+ 0x00000000
+ 0x00000000
+ 0x00000000
+ 0x00000000
+ 0x00000000
+ 0x00000000
+ 0x00000000
+ 0x00000000
+ 0x00000000
+ 0x00000000
+ 0x00000000
+ 0x00000000
+ 0x00000000
+ 0x00000000
+ 0x00000000
+ 0x00000000
+ 0x00000000
+ 0x00000000
+ 0x00000000
+ 0x00000000
+ 0x00000000
+ 0x00000000
+ 0x00000000
+ 0x00000000
+ 0x00000000
+ 0x00000000
+ 0x00000000
+ 0x00000000
+ 0x00000000
+ 0x00000000
+ 0x00000000
+ 0x00000000
+ 0x00000000
+ 0x00000000
+ 0x00000000
+ 0x00000000
+ 0x00000000
+ 0x00000000
+ 0x00000000
+ 0x00000000
+ 0x00000000
+ 0x00000000
+ 0x00000000
+ 0x00000000
+ 0x00000000
+ 0x00000000
+ 0x00000000
+ 0x00000000
+ 0x00000000
+ 0x00000000
+ 0x00000000
+ 0x00000000
+ 0x00000000
+ 0x00000000
+ 0x00000000
+ 0x00000000
+ 0x00000000
+ 0x00000000
+ 0x00000000
+ 0x00000000
+ 0x00000000
+ 0x00000000
+ 0x00000000
+ 0x00000000
+ 0x00000000
+ 0x00000000
+ 0x00000000
+ 0x00000000
+ 0x00000000
+ 0x00000000
+ 0x00000000
+ 0x00000000
+ 0x00000000
+ 0x00000000
+ 0x00000000
+ 0x00000000
+ 0x00000000
+ 0x00000000
+ 0x00000000
+ 0x00000000
+ 0x00000000
+ 0x00000000
+ 0x00000000
+ 0x00000000
+ 0x00000001
+ 0x00000000
+ 0x01000005
+ 0x04000f00
+ 0x00020040
+ 0x00020055
+ 0x00000000
+ 0x00000000
+ 0x00000000
+ 0x00000050
+ 0x00000000
+ 0x00010100
+ 0x00000601
+ 0x00000000
+ 0x00006400
+ 0x01221102
+ 0x00000000
+ 0x00051f00
+ 0x051f051f
+ 0x051f051f
+ 0x00030003
+ 0x03000300
+ 0x00000300
+ 0x01221102
+ 0x00000000
+ 0x00000000
+ 0x03020000
+ 0x00000001
+ 0x00000011
+ 0x00000011
+ 0x00000400
+ 0x00000000
+ 0x00000011
+ 0x00000011
+ 0x00004410
+ 0x00004410
+ 0x00004410
+ 0x00004410
+ 0x00004410
+ 0x00000011
+ 0x00004410
+ 0x00000011
+ 0x00004410
+ 0x00000011
+ 0x00004410
+ 0x00000000
+ 0x00000000
+ 0x00000000
+ 0x04000000
+ 0x00000000
+ 0x00000000
+ 0x00000508
+ 0x00000000
+ 0x00000000
+ 0x00000000
+ 0x00000000
+ 0x00000000
+ 0x00000000
+ 0xe4000000
+ 0x00000000
+ 0x00000000
+ 0x01010000
+ 0x00000000
+ >;
+};
diff --git a/arch/arm/include/asm/arch-rockchip/sdram_rk3399.h b/arch/arm/include/asm/arch-rockchip/sdram_rk3399.h
new file mode 100644
index 0000000000..22a6ca9ae1
--- /dev/null
+++ b/arch/arm/include/asm/arch-rockchip/sdram_rk3399.h
@@ -0,0 +1,119 @@
+/*
+ * Copyright (C) 2016-2017 Rockchip Electronics Co., Ltd
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+#ifndef _ASM_ARCH_SDRAM_RK3399_H
+#define _ASM_ARCH_SDRAM_RK3399_H
+
+enum {
+ DDR3 = 0x3,
+ LPDDR2 = 0x5,
+ LPDDR3 = 0x6,
+ LPDDR4 = 0x7,
+ UNUSED = 0xFF
+};
+
+struct rk3399_ddr_pctl_regs {
+ u32 denali_ctl[332];
+};
+
+struct rk3399_ddr_publ_regs {
+ u32 denali_phy[959];
+};
+
+struct rk3399_ddr_pi_regs {
+ u32 denali_pi[200];
+};
+
+struct rk3399_msch_regs {
+ u32 coreid;
+ u32 revisionid;
+ u32 ddrconf;
+ u32 ddrsize;
+ u32 ddrtiminga0;
+ u32 ddrtimingb0;
+ u32 ddrtimingc0;
+ u32 devtodev0;
+ u32 reserved0[(0x110 - 0x20) / 4];
+ u32 ddrmode;
+ u32 reserved1[(0x1000 - 0x114) / 4];
+ u32 agingx0;
+};
+
+struct rk3399_msch_timings {
+ u32 ddrtiminga0;
+ u32 ddrtimingb0;
+ u32 ddrtimingc0;
+ u32 devtodev0;
+ u32 ddrmode;
+ u32 agingx0;
+};
+
+struct rk3399_ddr_cic_regs {
+ u32 cic_ctrl0;
+ u32 cic_ctrl1;
+ u32 cic_idle_th;
+ u32 cic_cg_wait_th;
+ u32 cic_status0;
+ u32 cic_status1;
+ u32 cic_ctrl2;
+ u32 cic_ctrl3;
+ u32 cic_ctrl4;
+};
+
+/* DENALI_CTL_00 */
+#define START 1
+
+/* DENALI_CTL_68 */
+#define PWRUP_SREFRESH_EXIT (1 << 16)
+
+/* DENALI_CTL_274 */
+#define MEM_RST_VALID 1
+
+struct rk3399_sdram_channel {
+ unsigned int rank;
+ /* dram column number, 0 means this channel is invalid */
+ unsigned int col;
+ /* dram bank number, 3:8bank, 2:4bank */
+ unsigned int bk;
+ /* channel buswidth, 2:32bit, 1:16bit, 0:8bit */
+ unsigned int bw;
+ /* die buswidth, 2:32bit, 1:16bit, 0:8bit */
+ unsigned int dbw;
+ /*
+ * row_3_4 = 1: 6Gb or 12Gb die
+ * row_3_4 = 0: normal die, power of 2
+ */
+ unsigned int row_3_4;
+ unsigned int cs0_row;
+ unsigned int cs1_row;
+ unsigned int ddrconfig;
+ struct rk3399_msch_timings noc_timings;
+};
+
+struct rk3399_base_params {
+ unsigned int ddr_freq;
+ unsigned int dramtype;
+ unsigned int num_channels;
+ unsigned int stride;
+ unsigned int odt;
+};
+
+struct rk3399_sdram_params {
+ struct rk3399_sdram_channel ch[2];
+ struct rk3399_base_params base;
+ struct rk3399_ddr_pctl_regs pctl_regs;
+ struct rk3399_ddr_pi_regs pi_regs;
+ struct rk3399_ddr_publ_regs phy_regs;
+};
+
+#define PI_CA_TRAINING (1 << 0)
+#define PI_WRITE_LEVELING (1 << 1)
+#define PI_READ_GATE_TRAINING (1 << 2)
+#define PI_READ_LEVELING (1 << 3)
+#define PI_WDQ_LEVELING (1 << 4)
+#define PI_FULL_TRAINING 0xff
+
+#endif
diff --git a/arch/arm/mach-rockchip/rk3399/Makefile b/arch/arm/mach-rockchip/rk3399/Makefile
index 98ebeac340..793ce31c12 100644
--- a/arch/arm/mach-rockchip/rk3399/Makefile
+++ b/arch/arm/mach-rockchip/rk3399/Makefile
@@ -6,4 +6,5 @@
obj-y += clk_rk3399.o
obj-y += rk3399.o
+obj-y += sdram_rk3399.o
obj-y += syscon_rk3399.o
diff --git a/arch/arm/mach-rockchip/rk3399/rk3399.c b/arch/arm/mach-rockchip/rk3399/rk3399.c
index 8bb950ebd1..cbfd3fa09a 100644
--- a/arch/arm/mach-rockchip/rk3399/rk3399.c
+++ b/arch/arm/mach-rockchip/rk3399/rk3399.c
@@ -40,5 +40,6 @@ int arch_cpu_init(void)
/* Emmc clock generator: disable the clock multipilier */
rk_clrreg(GRF_EMMCCORE_CON11, 0x0ff);
+ printf("time %x, %x\n", readl(0xff8680a8), readl(0xff8680ac));
return 0;
}
diff --git a/arch/arm/mach-rockchip/rk3399/sdram_rk3399.c b/arch/arm/mach-rockchip/rk3399/sdram_rk3399.c
new file mode 100644
index 0000000000..749b52c8e7
--- /dev/null
+++ b/arch/arm/mach-rockchip/rk3399/sdram_rk3399.c
@@ -0,0 +1,1321 @@
+/*
+ * (C) Copyright 2016-2017 Rockchip Inc.
+ *
+ * SPDX-License-Identifier: GPL-2.0
+ *
+ * Adapted from coreboot.
+ */
+#include <common.h>
+#include <clk.h>
+#include <dm.h>
+#include <dt-structs.h>
+#include <ram.h>
+#include <regmap.h>
+#include <syscon.h>
+#include <asm/io.h>
+#include <asm/arch/clock.h>
+#include <asm/arch/sdram_rk3399.h>
+#include <asm/arch/cru_rk3399.h>
+#include <asm/arch/grf_rk3399.h>
+#include <asm/arch/hardware.h>
+#include <linux/err.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+struct chan_info {
+ struct rk3399_ddr_pctl_regs *pctl;
+ struct rk3399_ddr_pi_regs *pi;
+ struct rk3399_ddr_publ_regs *publ;
+ struct rk3399_msch_regs *msch;
+};
+
+struct dram_info {
+#ifdef CONFIG_SPL_BUILD
+ struct chan_info chan[2];
+ struct clk ddr_clk;
+ struct rk3399_cru *cru;
+ struct rk3399_pmucru *pmucru;
+ struct rk3399_pmusgrf_regs *pmusgrf;
+ struct rk3399_ddr_cic_regs *cic;
+#endif
+ struct ram_info info;
+ struct rk3399_pmugrf_regs *pmugrf;
+};
+
+/*
+ * sys_reg 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] cs0_row_ch1
+ * [21:20] 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] cs0_row_ch0
+ * [5:4] cs1_row_ch0
+ * [3:2] bw_ch0
+ * [1:0] dbw_ch0
+*/
+#define SYS_REG_DDRTYPE_SHIFT 13
+#define SYS_REG_DDRTYPE_MASK 7
+#define SYS_REG_NUM_CH_SHIFT 12
+#define SYS_REG_NUM_CH_MASK 1
+#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
+
+#define PRESET_SGRF_HOLD(n) ((0x1 << (6 + 16)) | ((n) << 6))
+#define PRESET_GPIO0_HOLD(n) ((0x1 << (7 + 16)) | ((n) << 7))
+#define PRESET_GPIO1_HOLD(n) ((0x1 << (8 + 16)) | ((n) << 8))
+
+#define PHY_DRV_ODT_Hi_Z 0x0
+#define PHY_DRV_ODT_240 0x1
+#define PHY_DRV_ODT_120 0x8
+#define PHY_DRV_ODT_80 0x9
+#define PHY_DRV_ODT_60 0xc
+#define PHY_DRV_ODT_48 0xd
+#define PHY_DRV_ODT_40 0xe
+#define PHY_DRV_ODT_34_3 0xf
+
+#ifdef CONFIG_SPL_BUILD
+
+struct rockchip_dmc_plat {
+#if CONFIG_IS_ENABLED(OF_PLATDATA)
+ struct dtd_rockchip_rk3399_dmc dtplat;
+#else
+ struct rk3399_sdram_params sdram_params;
+#endif
+ struct regmap *map;
+};
+
+static void copy_to_reg(u32 *dest, const u32 *src, u32 n)
+{
+ int i;
+
+ for (i = 0; i < n / sizeof(u32); i++) {
+ writel(*src, dest);
+ src++;
+ dest++;
+ }
+}
+
+static void phy_dll_bypass_set(struct rk3399_ddr_publ_regs *ddr_publ_regs,
+ u32 freq)
+{
+ u32 *denali_phy = ddr_publ_regs->denali_phy;
+
+ /* From IP spec, only freq small than 125 can enter dll bypass mode */
+ if (freq <= 125) {
+ /* phy_sw_master_mode_X PHY_86/214/342/470 4bits offset_8 */
+ setbits_le32(&denali_phy[86], (0x3 << 2) << 8);
+ setbits_le32(&denali_phy[214], (0x3 << 2) << 8);
+ setbits_le32(&denali_phy[342], (0x3 << 2) << 8);
+ setbits_le32(&denali_phy[470], (0x3 << 2) << 8);
+
+ /* phy_adrctl_sw_master_mode PHY_547/675/803 4bits offset_16 */
+ setbits_le32(&denali_phy[547], (0x3 << 2) << 16);
+ setbits_le32(&denali_phy[675], (0x3 << 2) << 16);
+ setbits_le32(&denali_phy[803], (0x3 << 2) << 16);
+ } else {
+ /* phy_sw_master_mode_X PHY_86/214/342/470 4bits offset_8 */
+ clrbits_le32(&denali_phy[86], (0x3 << 2) << 8);
+ clrbits_le32(&denali_phy[214], (0x3 << 2) << 8);
+ clrbits_le32(&denali_phy[342], (0x3 << 2) << 8);
+ clrbits_le32(&denali_phy[470], (0x3 << 2) << 8);
+
+ /* phy_adrctl_sw_master_mode PHY_547/675/803 4bits offset_16 */
+ clrbits_le32(&denali_phy[547], (0x3 << 2) << 16);
+ clrbits_le32(&denali_phy[675], (0x3 << 2) << 16);
+ clrbits_le32(&denali_phy[803], (0x3 << 2) << 16);
+ }
+}
+
+static void set_memory_map(const struct chan_info *chan, u32 channel,
+ const struct rk3399_sdram_params *sdram_params)
+{
+ const struct rk3399_sdram_channel *sdram_ch =
+ &sdram_params->ch[channel];
+ u32 *denali_ctl = chan->pctl->denali_ctl;
+ u32 *denali_pi = chan->pi->denali_pi;
+ u32 cs_map;
+ u32 reduc;
+ u32 row;
+
+ /* Get row number from ddrconfig setting */
+ if (sdram_ch->ddrconfig < 2 || sdram_ch->ddrconfig == 4)
+ row = 16;
+ else if (sdram_ch->ddrconfig == 3)
+ row = 14;
+ else
+ row = 15;
+
+ cs_map = (sdram_ch->rank > 1) ? 3 : 1;
+ reduc = (sdram_ch->bw == 2) ? 0 : 1;
+
+ /* Set the dram configuration to ctrl */
+ clrsetbits_le32(&denali_ctl[191], 0xF, (12 - sdram_ch->col));
+ clrsetbits_le32(&denali_ctl[190], (0x3 << 16) | (0x7 << 24),
+ ((3 - sdram_ch->bk) << 16) |
+ ((16 - row) << 24));
+
+ clrsetbits_le32(&denali_ctl[196], 0x3 | (1 << 16),
+ cs_map | (reduc << 16));
+
+ /* PI_199 PI_COL_DIFF:RW:0:4 */
+ clrsetbits_le32(&denali_pi[199], 0xF, (12 - sdram_ch->col));
+
+ /* PI_155 PI_ROW_DIFF:RW:24:3 PI_BANK_DIFF:RW:16:2 */
+ clrsetbits_le32(&denali_pi[155], (0x3 << 16) | (0x7 << 24),
+ ((3 - sdram_ch->bk) << 16) |
+ ((16 - row) << 24));
+ /* PI_41 PI_CS_MAP:RW:24:4 */
+ clrsetbits_le32(&denali_pi[41], 0xf << 24, cs_map << 24);
+ if ((sdram_ch->rank == 1) && (sdram_params->base.dramtype == DDR3))
+ writel(0x2EC7FFFF, &denali_pi[34]);
+}
+
+static void set_ds_odt(const struct chan_info *chan,
+ const struct rk3399_sdram_params *sdram_params)
+{
+ u32 *denali_phy = chan->publ->denali_phy;
+
+ u32 tsel_idle_en, tsel_wr_en, tsel_rd_en;
+ u32 tsel_idle_select_p, tsel_wr_select_p, tsel_rd_select_p;
+ u32 ca_tsel_wr_select_p, ca_tsel_wr_select_n;
+ u32 tsel_idle_select_n, tsel_wr_select_n, tsel_rd_select_n;
+ u32 reg_value;
+
+ if (sdram_params->base.dramtype == LPDDR4) {
+ tsel_rd_select_p = PHY_DRV_ODT_Hi_Z;
+ tsel_wr_select_p = PHY_DRV_ODT_40;
+ ca_tsel_wr_select_p = PHY_DRV_ODT_40;
+ tsel_idle_select_p = PHY_DRV_ODT_Hi_Z;
+
+ tsel_rd_select_n = PHY_DRV_ODT_240;
+ tsel_wr_select_n = PHY_DRV_ODT_40;
+ ca_tsel_wr_select_n = PHY_DRV_ODT_40;
+ tsel_idle_select_n = PHY_DRV_ODT_240;
+ } else if (sdram_params->base.dramtype == LPDDR3) {
+ tsel_rd_select_p = PHY_DRV_ODT_240;
+ tsel_wr_select_p = PHY_DRV_ODT_34_3;
+ ca_tsel_wr_select_p = PHY_DRV_ODT_48;
+ tsel_idle_select_p = PHY_DRV_ODT_240;
+
+ tsel_rd_select_n = PHY_DRV_ODT_Hi_Z;
+ tsel_wr_select_n = PHY_DRV_ODT_34_3;
+ ca_tsel_wr_select_n = PHY_DRV_ODT_48;
+ tsel_idle_select_n = PHY_DRV_ODT_Hi_Z;
+ } else {
+ tsel_rd_select_p = PHY_DRV_ODT_240;
+ tsel_wr_select_p = PHY_DRV_ODT_34_3;
+ ca_tsel_wr_select_p = PHY_DRV_ODT_34_3;
+ tsel_idle_select_p = PHY_DRV_ODT_240;
+
+ tsel_rd_select_n = PHY_DRV_ODT_240;
+ tsel_wr_select_n = PHY_DRV_ODT_34_3;
+ ca_tsel_wr_select_n = PHY_DRV_ODT_34_3;
+ tsel_idle_select_n = PHY_DRV_ODT_240;
+ }
+
+ if (sdram_params->base.odt == 1)
+ tsel_rd_en = 1;
+ else
+ tsel_rd_en = 0;
+
+ tsel_wr_en = 0;
+ tsel_idle_en = 0;
+
+ /*
+ * phy_dq_tsel_select_X 24bits DENALI_PHY_6/134/262/390 offset_0
+ * sets termination values for read/idle cycles and drive strength
+ * for write cycles for DQ/DM
+ */
+ reg_value = tsel_rd_select_n | (tsel_rd_select_p << 0x4) |
+ (tsel_wr_select_n << 8) | (tsel_wr_select_p << 12) |
+ (tsel_idle_select_n << 16) | (tsel_idle_select_p << 20);
+ clrsetbits_le32(&denali_phy[6], 0xffffff, reg_value);
+ clrsetbits_le32(&denali_phy[134], 0xffffff, reg_value);
+ clrsetbits_le32(&denali_phy[262], 0xffffff, reg_value);
+ clrsetbits_le32(&denali_phy[390], 0xffffff, reg_value);
+
+ /*
+ * phy_dqs_tsel_select_X 24bits DENALI_PHY_7/135/263/391 offset_0
+ * sets termination values for read/idle cycles and drive strength
+ * for write cycles for DQS
+ */
+ clrsetbits_le32(&denali_phy[7], 0xffffff, reg_value);
+ clrsetbits_le32(&denali_phy[135], 0xffffff, reg_value);
+ clrsetbits_le32(&denali_phy[263], 0xffffff, reg_value);
+ clrsetbits_le32(&denali_phy[391], 0xffffff, reg_value);
+
+ /* phy_adr_tsel_select_ 8bits DENALI_PHY_544/672/800 offset_0 */
+ reg_value = ca_tsel_wr_select_n | (ca_tsel_wr_select_p << 0x4);
+ clrsetbits_le32(&denali_phy[544], 0xff, reg_value);
+ clrsetbits_le32(&denali_phy[672], 0xff, reg_value);
+ clrsetbits_le32(&denali_phy[800], 0xff, reg_value);
+
+ /* phy_pad_addr_drive 8bits DENALI_PHY_928 offset_0 */
+ clrsetbits_le32(&denali_phy[928], 0xff, reg_value);
+
+ /* phy_pad_rst_drive 8bits DENALI_PHY_937 offset_0 */
+ clrsetbits_le32(&denali_phy[937], 0xff, reg_value);
+
+ /* phy_pad_cke_drive 8bits DENALI_PHY_935 offset_0 */
+ clrsetbits_le32(&denali_phy[935], 0xff, reg_value);
+
+ /* phy_pad_cs_drive 8bits DENALI_PHY_939 offset_0 */
+ clrsetbits_le32(&denali_phy[939], 0xff, reg_value);
+
+ /* phy_pad_clk_drive 8bits DENALI_PHY_929 offset_0 */
+ clrsetbits_le32(&denali_phy[929], 0xff, reg_value);
+
+ /* phy_pad_fdbk_drive 23bit DENALI_PHY_924/925 */
+ clrsetbits_le32(&denali_phy[924], 0xff,
+ tsel_wr_select_n | (tsel_wr_select_p << 4));
+ clrsetbits_le32(&denali_phy[925], 0xff,
+ tsel_rd_select_n | (tsel_rd_select_p << 4));
+
+ /* phy_dq_tsel_enable_X 3bits DENALI_PHY_5/133/261/389 offset_16 */
+ reg_value = (tsel_rd_en | (tsel_wr_en << 1) | (tsel_idle_en << 2))
+ << 16;
+ clrsetbits_le32(&denali_phy[5], 0x7 << 16, reg_value);
+ clrsetbits_le32(&denali_phy[133], 0x7 << 16, reg_value);
+ clrsetbits_le32(&denali_phy[261], 0x7 << 16, reg_value);
+ clrsetbits_le32(&denali_phy[389], 0x7 << 16, reg_value);
+
+ /* phy_dqs_tsel_enable_X 3bits DENALI_PHY_6/134/262/390 offset_24 */
+ reg_value = (tsel_rd_en | (tsel_wr_en << 1) | (tsel_idle_en << 2))
+ << 24;
+ clrsetbits_le32(&denali_phy[6], 0x7 << 24, reg_value);
+ clrsetbits_le32(&denali_phy[134], 0x7 << 24, reg_value);
+ clrsetbits_le32(&denali_phy[262], 0x7 << 24, reg_value);
+ clrsetbits_le32(&denali_phy[390], 0x7 << 24, reg_value);
+
+ /* phy_adr_tsel_enable_ 1bit DENALI_PHY_518/646/774 offset_8 */
+ reg_value = tsel_wr_en << 8;
+ clrsetbits_le32(&denali_phy[518], 0x1 << 8, reg_value);
+ clrsetbits_le32(&denali_phy[646], 0x1 << 8, reg_value);
+ clrsetbits_le32(&denali_phy[774], 0x1 << 8, reg_value);
+
+ /* phy_pad_addr_term tsel 1bit DENALI_PHY_933 offset_17 */
+ reg_value = tsel_wr_en << 17;
+ clrsetbits_le32(&denali_phy[933], 0x1 << 17, reg_value);
+ /*
+ * pad_rst/cke/cs/clk_term tsel 1bits
+ * DENALI_PHY_938/936/940/934 offset_17
+ */
+ clrsetbits_le32(&denali_phy[938], 0x1 << 17, reg_value);
+ clrsetbits_le32(&denali_phy[936], 0x1 << 17, reg_value);
+ clrsetbits_le32(&denali_phy[940], 0x1 << 17, reg_value);
+ clrsetbits_le32(&denali_phy[934], 0x1 << 17, reg_value);
+
+ /* phy_pad_fdbk_term 1bit DENALI_PHY_930 offset_17 */
+ clrsetbits_le32(&denali_phy[930], 0x1 << 17, reg_value);
+}
+
+static int phy_io_config(const struct chan_info *chan,
+ const struct rk3399_sdram_params *sdram_params)
+{
+ u32 *denali_phy = chan->publ->denali_phy;
+ u32 vref_mode_dq, vref_value_dq, vref_mode_ac, vref_value_ac;
+ u32 mode_sel;
+ u32 reg_value;
+ u32 drv_value, odt_value;
+ u32 speed;
+
+ /* vref setting */
+ if (sdram_params->base.dramtype == LPDDR4) {
+ /* LPDDR4 */
+ vref_mode_dq = 0x6;
+ vref_value_dq = 0x1f;
+ vref_mode_ac = 0x6;
+ vref_value_ac = 0x1f;
+ } else if (sdram_params->base.dramtype == LPDDR3) {
+ if (sdram_params->base.odt == 1) {
+ vref_mode_dq = 0x5; /* LPDDR3 ODT */
+ drv_value = (readl(&denali_phy[6]) >> 12) & 0xf;
+ odt_value = (readl(&denali_phy[6]) >> 4) & 0xf;
+ if (drv_value == PHY_DRV_ODT_48) {
+ switch (odt_value) {
+ case PHY_DRV_ODT_240:
+ vref_value_dq = 0x16;
+ break;
+ case PHY_DRV_ODT_120:
+ vref_value_dq = 0x26;
+ break;
+ case PHY_DRV_ODT_60:
+ vref_value_dq = 0x36;
+ break;
+ default:
+ debug("Invalid ODT value.\n");
+ return -EINVAL;
+ }
+ } else if (drv_value == PHY_DRV_ODT_40) {
+ switch (odt_value) {
+ case PHY_DRV_ODT_240:
+ vref_value_dq = 0x19;
+ break;
+ case PHY_DRV_ODT_120:
+ vref_value_dq = 0x23;
+ break;
+ case PHY_DRV_ODT_60:
+ vref_value_dq = 0x31;
+ break;
+ default:
+ debug("Invalid ODT value.\n");
+ return -EINVAL;
+ }
+ } else if (drv_value == PHY_DRV_ODT_34_3) {
+ switch (odt_value) {
+ case PHY_DRV_ODT_240:
+ vref_value_dq = 0x17;
+ break;
+ case PHY_DRV_ODT_120:
+ vref_value_dq = 0x20;
+ break;
+ case PHY_DRV_ODT_60:
+ vref_value_dq = 0x2e;
+ break;
+ default:
+ debug("Invalid ODT value.\n");
+ return -EINVAL;
+ }
+ } else {
+ debug("Invalid DRV value.\n");
+ return -EINVAL;
+ }
+ } else {
+ vref_mode_dq = 0x2; /* LPDDR3 */
+ vref_value_dq = 0x1f;
+ }
+ vref_mode_ac = 0x2;
+ vref_value_ac = 0x1f;
+ } else if (sdram_params->base.dramtype == DDR3) {
+ /* DDR3L */
+ vref_mode_dq = 0x1;
+ vref_value_dq = 0x1f;
+ vref_mode_ac = 0x1;
+ vref_value_ac = 0x1f;
+ } else {
+ debug("Unknown DRAM type.\n");
+ return -EINVAL;
+ }
+
+ reg_value = (vref_mode_dq << 9) | (0x1 << 8) | vref_value_dq;
+
+ /* PHY_913 PHY_PAD_VREF_CTRL_DQ_0 12bits offset_8 */
+ clrsetbits_le32(&denali_phy[913], 0xfff << 8, reg_value << 8);
+ /* PHY_914 PHY_PAD_VREF_CTRL_DQ_1 12bits offset_0 */
+ clrsetbits_le32(&denali_phy[914], 0xfff, reg_value);
+ /* PHY_914 PHY_PAD_VREF_CTRL_DQ_2 12bits offset_16 */
+ clrsetbits_le32(&denali_phy[914], 0xfff << 16, reg_value << 16);
+ /* PHY_915 PHY_PAD_VREF_CTRL_DQ_3 12bits offset_0 */
+ clrsetbits_le32(&denali_phy[915], 0xfff, reg_value);
+
+ reg_value = (vref_mode_ac << 9) | (0x1 << 8) | vref_value_ac;
+
+ /* PHY_915 PHY_PAD_VREF_CTRL_AC 12bits offset_16 */
+ clrsetbits_le32(&denali_phy[915], 0xfff << 16, reg_value << 16);
+
+ if (sdram_params->base.dramtype == LPDDR4)
+ mode_sel = 0x6;
+ else if (sdram_params->base.dramtype == LPDDR3)
+ mode_sel = 0x0;
+ else if (sdram_params->base.dramtype == DDR3)
+ mode_sel = 0x1;
+ else
+ return -EINVAL;
+
+ /* PHY_924 PHY_PAD_FDBK_DRIVE */
+ clrsetbits_le32(&denali_phy[924], 0x7 << 15, mode_sel << 15);
+ /* PHY_926 PHY_PAD_DATA_DRIVE */
+ clrsetbits_le32(&denali_phy[926], 0x7 << 6, mode_sel << 6);
+ /* PHY_927 PHY_PAD_DQS_DRIVE */
+ clrsetbits_le32(&denali_phy[927], 0x7 << 6, mode_sel << 6);
+ /* PHY_928 PHY_PAD_ADDR_DRIVE */
+ clrsetbits_le32(&denali_phy[928], 0x7 << 14, mode_sel << 14);
+ /* PHY_929 PHY_PAD_CLK_DRIVE */
+ clrsetbits_le32(&denali_phy[929], 0x7 << 14, mode_sel << 14);
+ /* PHY_935 PHY_PAD_CKE_DRIVE */
+ clrsetbits_le32(&denali_phy[935], 0x7 << 14, mode_sel << 14);
+ /* PHY_937 PHY_PAD_RST_DRIVE */
+ clrsetbits_le32(&denali_phy[937], 0x7 << 14, mode_sel << 14);
+ /* PHY_939 PHY_PAD_CS_DRIVE */
+ clrsetbits_le32(&denali_phy[939], 0x7 << 14, mode_sel << 14);
+
+
+ /* speed setting */
+ if (sdram_params->base.ddr_freq < 400)
+ speed = 0x0;
+ else if (sdram_params->base.ddr_freq < 800)
+ speed = 0x1;
+ else if (sdram_params->base.ddr_freq < 1200)
+ speed = 0x2;
+ else
+ speed = 0x3;
+
+ /* PHY_924 PHY_PAD_FDBK_DRIVE */
+ clrsetbits_le32(&denali_phy[924], 0x3 << 21, speed << 21);
+ /* PHY_926 PHY_PAD_DATA_DRIVE */
+ clrsetbits_le32(&denali_phy[926], 0x3 << 9, speed << 9);
+ /* PHY_927 PHY_PAD_DQS_DRIVE */
+ clrsetbits_le32(&denali_phy[927], 0x3 << 9, speed << 9);
+ /* PHY_928 PHY_PAD_ADDR_DRIVE */
+ clrsetbits_le32(&denali_phy[928], 0x3 << 17, speed << 17);
+ /* PHY_929 PHY_PAD_CLK_DRIVE */
+ clrsetbits_le32(&denali_phy[929], 0x3 << 17, speed << 17);
+ /* PHY_935 PHY_PAD_CKE_DRIVE */
+ clrsetbits_le32(&denali_phy[935], 0x3 << 17, speed << 17);
+ /* PHY_937 PHY_PAD_RST_DRIVE */
+ clrsetbits_le32(&denali_phy[937], 0x3 << 17, speed << 17);
+ /* PHY_939 PHY_PAD_CS_DRIVE */
+ clrsetbits_le32(&denali_phy[939], 0x3 << 17, speed << 17);
+
+ return 0;
+}
+
+static int pctl_cfg(const struct chan_info *chan, u32 channel,
+ const struct rk3399_sdram_params *sdram_params)
+{
+ u32 *denali_ctl = chan->pctl->denali_ctl;
+ u32 *denali_pi = chan->pi->denali_pi;
+ u32 *denali_phy = chan->publ->denali_phy;
+ const u32 *params_ctl = sdram_params->pctl_regs.denali_ctl;
+ const u32 *params_phy = sdram_params->phy_regs.denali_phy;
+ u32 tmp, tmp1, tmp2;
+ u32 pwrup_srefresh_exit;
+ int ret;
+
+ /*
+ * work around controller bug:
+ * Do not program DRAM_CLASS until NO_PHY_IND_TRAIN_INT is programmed
+ */
+ copy_to_reg(&denali_ctl[1], &params_ctl[1],
+ sizeof(struct rk3399_ddr_pctl_regs) - 4);
+ writel(params_ctl[0], &denali_ctl[0]);
+ copy_to_reg(denali_pi, &sdram_params->pi_regs.denali_pi[0],
+ sizeof(struct rk3399_ddr_pi_regs));
+ /* rank count need to set for init */
+ set_memory_map(chan, channel, sdram_params);
+
+ writel(sdram_params->phy_regs.denali_phy[910], &denali_phy[910]);
+ writel(sdram_params->phy_regs.denali_phy[911], &denali_phy[911]);
+ writel(sdram_params->phy_regs.denali_phy[912], &denali_phy[912]);
+
+ pwrup_srefresh_exit = readl(&denali_ctl[68]) & PWRUP_SREFRESH_EXIT;
+ clrbits_le32(&denali_ctl[68], PWRUP_SREFRESH_EXIT);
+
+ /* PHY_DLL_RST_EN */
+ clrsetbits_le32(&denali_phy[957], 0x3 << 24, 1 << 24);
+
+ setbits_le32(&denali_pi[0], START);
+ setbits_le32(&denali_ctl[0], START);
+
+ /* Wating for phy DLL lock */
+ while (1) {
+ tmp = readl(&denali_phy[920]);
+ tmp1 = readl(&denali_phy[921]);
+ tmp2 = readl(&denali_phy[922]);
+ if ((((tmp >> 16) & 0x1) == 0x1) &&
+ (((tmp1 >> 16) & 0x1) == 0x1) &&
+ (((tmp1 >> 0) & 0x1) == 0x1) &&
+ (((tmp2 >> 0) & 0x1) == 0x1))
+ break;
+ }
+
+ copy_to_reg(&denali_phy[896], &params_phy[896], (958 - 895) * 4);
+ copy_to_reg(&denali_phy[0], &params_phy[0], (90 - 0 + 1) * 4);
+ copy_to_reg(&denali_phy[128], &params_phy[128], (218 - 128 + 1) * 4);
+ copy_to_reg(&denali_phy[256], &params_phy[256], (346 - 256 + 1) * 4);
+ copy_to_reg(&denali_phy[384], &params_phy[384], (474 - 384 + 1) * 4);
+ copy_to_reg(&denali_phy[512], &params_phy[512], (549 - 512 + 1) * 4);
+ copy_to_reg(&denali_phy[640], &params_phy[640], (677 - 640 + 1) * 4);
+ copy_to_reg(&denali_phy[768], &params_phy[768], (805 - 768 + 1) * 4);
+ set_ds_odt(chan, sdram_params);
+
+ /*
+ * phy_dqs_tsel_wr_timing_X 8bits DENALI_PHY_84/212/340/468 offset_8
+ * dqs_tsel_wr_end[7:4] add Half cycle
+ */
+ tmp = (readl(&denali_phy[84]) >> 8) & 0xff;
+ clrsetbits_le32(&denali_phy[84], 0xff << 8, (tmp + 0x10) << 8);
+ tmp = (readl(&denali_phy[212]) >> 8) & 0xff;
+ clrsetbits_le32(&denali_phy[212], 0xff << 8, (tmp + 0x10) << 8);
+ tmp = (readl(&denali_phy[340]) >> 8) & 0xff;
+ clrsetbits_le32(&denali_phy[340], 0xff << 8, (tmp + 0x10) << 8);
+ tmp = (readl(&denali_phy[468]) >> 8) & 0xff;
+ clrsetbits_le32(&denali_phy[468], 0xff << 8, (tmp + 0x10) << 8);
+
+ /*
+ * phy_dqs_tsel_wr_timing_X 8bits DENALI_PHY_83/211/339/467 offset_8
+ * dq_tsel_wr_end[7:4] add Half cycle
+ */
+ tmp = (readl(&denali_phy[83]) >> 16) & 0xff;
+ clrsetbits_le32(&denali_phy[83], 0xff << 16, (tmp + 0x10) << 16);
+ tmp = (readl(&denali_phy[211]) >> 16) & 0xff;
+ clrsetbits_le32(&denali_phy[211], 0xff << 16, (tmp + 0x10) << 16);
+ tmp = (readl(&denali_phy[339]) >> 16) & 0xff;
+ clrsetbits_le32(&denali_phy[339], 0xff << 16, (tmp + 0x10) << 16);
+ tmp = (readl(&denali_phy[467]) >> 16) & 0xff;
+ clrsetbits_le32(&denali_phy[467], 0xff << 16, (tmp + 0x10) << 16);
+
+ ret = phy_io_config(chan, sdram_params);
+ if (ret)
+ return ret;
+
+ /* PHY_DLL_RST_EN */
+ clrsetbits_le32(&denali_phy[957], 0x3 << 24, 0x2 << 24);
+
+ /* Wating for PHY and DRAM init complete */
+ tmp = 0;
+ while (!(readl(&denali_ctl[203]) & (1 << 3))) {
+ mdelay(10);
+ tmp++;
+ if (tmp > 10)
+ return -ETIME;
+ }
+
+ clrsetbits_le32(&denali_ctl[68], PWRUP_SREFRESH_EXIT,
+ pwrup_srefresh_exit);
+ return 0;
+}
+
+static void select_per_cs_training_index(const struct chan_info *chan,
+ u32 rank)
+{
+ u32 *denali_phy = chan->publ->denali_phy;
+
+ /* PHY_84 PHY_PER_CS_TRAINING_EN_0 1bit offset_16 */
+ if ((readl(&denali_phy[84])>>16) & 1) {
+ /*
+ * PHY_8/136/264/392
+ * phy_per_cs_training_index_X 1bit offset_24
+ */
+ clrsetbits_le32(&denali_phy[8], 0x1 << 24, rank << 24);
+ clrsetbits_le32(&denali_phy[136], 0x1 << 24, rank << 24);
+ clrsetbits_le32(&denali_phy[264], 0x1 << 24, rank << 24);
+ clrsetbits_le32(&denali_phy[392], 0x1 << 24, rank << 24);
+ }
+}
+
+static void override_write_leveling_value(const struct chan_info *chan)
+{
+ u32 *denali_ctl = chan->pctl->denali_ctl;
+ u32 *denali_phy = chan->publ->denali_phy;
+ u32 byte;
+
+ /* PHY_896 PHY_FREQ_SEL_MULTICAST_EN 1bit offset_0 */
+ setbits_le32(&denali_phy[896], 1);
+
+ /*
+ * PHY_8/136/264/392
+ * phy_per_cs_training_multicast_en_X 1bit offset_16
+ */
+ clrsetbits_le32(&denali_phy[8], 0x1 << 16, 1 << 16);
+ clrsetbits_le32(&denali_phy[136], 0x1 << 16, 1 << 16);
+ clrsetbits_le32(&denali_phy[264], 0x1 << 16, 1 << 16);
+ clrsetbits_le32(&denali_phy[392], 0x1 << 16, 1 << 16);
+
+ for (byte = 0; byte < 4; byte++)
+ clrsetbits_le32(&denali_phy[63 + (128 * byte)], 0xffff << 16,
+ 0x200 << 16);
+
+ /* PHY_896 PHY_FREQ_SEL_MULTICAST_EN 1bit offset_0 */
+ clrbits_le32(&denali_phy[896], 1);
+
+ /* CTL_200 ctrlupd_req 1bit offset_8 */
+ clrsetbits_le32(&denali_ctl[200], 0x1 << 8, 0x1 << 8);
+}
+
+static int data_training_ca(const struct chan_info *chan, u32 channel,
+ const struct rk3399_sdram_params *sdram_params)
+{
+ u32 *denali_pi = chan->pi->denali_pi;
+ u32 *denali_phy = chan->publ->denali_phy;
+ u32 i, tmp;
+ u32 obs_0, obs_1, obs_2, obs_err = 0;
+ u32 rank = sdram_params->ch[channel].rank;
+
+ for (i = 0; i < rank; i++) {
+ select_per_cs_training_index(chan, i);
+ /* PI_100 PI_CALVL_EN:RW:8:2 */
+ clrsetbits_le32(&denali_pi[100], 0x3 << 8, 0x2 << 8);
+ /* PI_92 PI_CALVL_REQ:WR:16:1,PI_CALVL_CS:RW:24:2 */
+ clrsetbits_le32(&denali_pi[92],
+ (0x1 << 16) | (0x3 << 24),
+ (0x1 << 16) | (i << 24));
+
+ /* Waiting for training complete */
+ while (1) {
+ /* PI_174 PI_INT_STATUS:RD:8:18 */
+ tmp = readl(&denali_pi[174]) >> 8;
+ /*
+ * check status obs
+ * PHY_532/660/789 phy_adr_calvl_obs1_:0:32
+ */
+ obs_0 = readl(&denali_phy[532]);
+ obs_1 = readl(&denali_phy[660]);
+ obs_2 = readl(&denali_phy[788]);
+ if (((obs_0 >> 30) & 0x3) ||
+ ((obs_1 >> 30) & 0x3) ||
+ ((obs_2 >> 30) & 0x3))
+ obs_err = 1;
+ if ((((tmp >> 11) & 0x1) == 0x1) &&
+ (((tmp >> 13) & 0x1) == 0x1) &&
+ (((tmp >> 5) & 0x1) == 0x0) &&
+ (obs_err == 0))
+ break;
+ else if ((((tmp >> 5) & 0x1) == 0x1) ||
+ (obs_err == 1))
+ return -EIO;
+ }
+ /* clear interrupt,PI_175 PI_INT_ACK:WR:0:17 */
+ writel(0x00003f7c, (&denali_pi[175]));
+ }
+ clrbits_le32(&denali_pi[100], 0x3 << 8);
+
+ return 0;
+}
+
+static int data_training_wl(const struct chan_info *chan, u32 channel,
+ const struct rk3399_sdram_params *sdram_params)
+{
+ u32 *denali_pi = chan->pi->denali_pi;
+ u32 *denali_phy = chan->publ->denali_phy;
+ u32 i, tmp;
+ u32 obs_0, obs_1, obs_2, obs_3, obs_err = 0;
+ u32 rank = sdram_params->ch[channel].rank;
+
+ for (i = 0; i < rank; i++) {
+ select_per_cs_training_index(chan, i);
+ /* PI_60 PI_WRLVL_EN:RW:8:2 */
+ clrsetbits_le32(&denali_pi[60], 0x3 << 8, 0x2 << 8);
+ /* PI_59 PI_WRLVL_REQ:WR:8:1,PI_WRLVL_CS:RW:16:2 */
+ clrsetbits_le32(&denali_pi[59],
+ (0x1 << 8) | (0x3 << 16),
+ (0x1 << 8) | (i << 16));
+
+ /* Waiting for training complete */
+ while (1) {
+ /* PI_174 PI_INT_STATUS:RD:8:18 */
+ tmp = readl(&denali_pi[174]) >> 8;
+
+ /*
+ * check status obs, if error maybe can not
+ * get leveling done PHY_40/168/296/424
+ * phy_wrlvl_status_obs_X:0:13
+ */
+ obs_0 = readl(&denali_phy[40]);
+ obs_1 = readl(&denali_phy[168]);
+ obs_2 = readl(&denali_phy[296]);
+ obs_3 = readl(&denali_phy[424]);
+ if (((obs_0 >> 12) & 0x1) ||
+ ((obs_1 >> 12) & 0x1) ||
+ ((obs_2 >> 12) & 0x1) ||
+ ((obs_3 >> 12) & 0x1))
+ obs_err = 1;
+ if ((((tmp >> 10) & 0x1) == 0x1) &&
+ (((tmp >> 13) & 0x1) == 0x1) &&
+ (((tmp >> 4) & 0x1) == 0x0) &&
+ (obs_err == 0))
+ break;
+ else if ((((tmp >> 4) & 0x1) == 0x1) ||
+ (obs_err == 1))
+ return -EIO;
+ }
+ /* clear interrupt,PI_175 PI_INT_ACK:WR:0:17 */
+ writel(0x00003f7c, (&denali_pi[175]));
+ }
+
+ override_write_leveling_value(chan);
+ clrbits_le32(&denali_pi[60], 0x3 << 8);
+
+ return 0;
+}
+
+static int data_training_rg(const struct chan_info *chan, u32 channel,
+ const struct rk3399_sdram_params *sdram_params)
+{
+ u32 *denali_pi = chan->pi->denali_pi;
+ u32 *denali_phy = chan->publ->denali_phy;
+ u32 i, tmp;
+ u32 obs_0, obs_1, obs_2, obs_3, obs_err = 0;
+ u32 rank = sdram_params->ch[channel].rank;
+
+ for (i = 0; i < rank; i++) {
+ select_per_cs_training_index(chan, i);
+ /* PI_80 PI_RDLVL_GATE_EN:RW:24:2 */
+ clrsetbits_le32(&denali_pi[80], 0x3 << 24, 0x2 << 24);
+ /*
+ * PI_74 PI_RDLVL_GATE_REQ:WR:16:1
+ * PI_RDLVL_CS:RW:24:2
+ */
+ clrsetbits_le32(&denali_pi[74],
+ (0x1 << 16) | (0x3 << 24),
+ (0x1 << 16) | (i << 24));
+
+ /* Waiting for training complete */
+ while (1) {
+ /* PI_174 PI_INT_STATUS:RD:8:18 */
+ tmp = readl(&denali_pi[174]) >> 8;
+
+ /*
+ * check status obs
+ * PHY_43/171/299/427
+ * PHY_GTLVL_STATUS_OBS_x:16:8
+ */
+ obs_0 = readl(&denali_phy[43]);
+ obs_1 = readl(&denali_phy[171]);
+ obs_2 = readl(&denali_phy[299]);
+ obs_3 = readl(&denali_phy[427]);
+ if (((obs_0 >> (16 + 6)) & 0x3) ||
+ ((obs_1 >> (16 + 6)) & 0x3) ||
+ ((obs_2 >> (16 + 6)) & 0x3) ||
+ ((obs_3 >> (16 + 6)) & 0x3))
+ obs_err = 1;
+ if ((((tmp >> 9) & 0x1) == 0x1) &&
+ (((tmp >> 13) & 0x1) == 0x1) &&
+ (((tmp >> 3) & 0x1) == 0x0) &&
+ (obs_err == 0))
+ break;
+ else if ((((tmp >> 3) & 0x1) == 0x1) ||
+ (obs_err == 1))
+ return -EIO;
+ }
+ /* clear interrupt,PI_175 PI_INT_ACK:WR:0:17 */
+ writel(0x00003f7c, (&denali_pi[175]));
+ }
+ clrbits_le32(&denali_pi[80], 0x3 << 24);
+
+ return 0;
+}
+
+static int data_training_rl(const struct chan_info *chan, u32 channel,
+ const struct rk3399_sdram_params *sdram_params)
+{
+ u32 *denali_pi = chan->pi->denali_pi;
+ u32 i, tmp;
+ u32 rank = sdram_params->ch[channel].rank;
+
+ for (i = 0; i < rank; i++) {
+ select_per_cs_training_index(chan, i);
+ /* PI_80 PI_RDLVL_EN:RW:16:2 */
+ clrsetbits_le32(&denali_pi[80], 0x3 << 16, 0x2 << 16);
+ /* PI_74 PI_RDLVL_REQ:WR:8:1,PI_RDLVL_CS:RW:24:2 */
+ clrsetbits_le32(&denali_pi[74],
+ (0x1 << 8) | (0x3 << 24),
+ (0x1 << 8) | (i << 24));
+
+ /* Waiting for training complete */
+ while (1) {
+ /* PI_174 PI_INT_STATUS:RD:8:18 */
+ tmp = readl(&denali_pi[174]) >> 8;
+
+ /*
+ * make sure status obs not report error bit
+ * PHY_46/174/302/430
+ * phy_rdlvl_status_obs_X:16:8
+ */
+ if ((((tmp >> 8) & 0x1) == 0x1) &&
+ (((tmp >> 13) & 0x1) == 0x1) &&
+ (((tmp >> 2) & 0x1) == 0x0))
+ break;
+ else if (((tmp >> 2) & 0x1) == 0x1)
+ return -EIO;
+ }
+ /* clear interrupt,PI_175 PI_INT_ACK:WR:0:17 */
+ writel(0x00003f7c, (&denali_pi[175]));
+ }
+ clrbits_le32(&denali_pi[80], 0x3 << 16);
+
+ return 0;
+}
+
+static int data_training_wdql(const struct chan_info *chan, u32 channel,
+ const struct rk3399_sdram_params *sdram_params)
+{
+ u32 *denali_pi = chan->pi->denali_pi;
+ u32 i, tmp;
+ u32 rank = sdram_params->ch[channel].rank;
+
+ for (i = 0; i < rank; i++) {
+ select_per_cs_training_index(chan, i);
+ /*
+ * disable PI_WDQLVL_VREF_EN before wdq leveling?
+ * PI_181 PI_WDQLVL_VREF_EN:RW:8:1
+ */
+ clrbits_le32(&denali_pi[181], 0x1 << 8);
+ /* PI_124 PI_WDQLVL_EN:RW:16:2 */
+ clrsetbits_le32(&denali_pi[124], 0x3 << 16, 0x2 << 16);
+ /* PI_121 PI_WDQLVL_REQ:WR:8:1,PI_WDQLVL_CS:RW:16:2 */
+ clrsetbits_le32(&denali_pi[121],
+ (0x1 << 8) | (0x3 << 16),
+ (0x1 << 8) | (i << 16));
+
+ /* Waiting for training complete */
+ while (1) {
+ /* PI_174 PI_INT_STATUS:RD:8:18 */
+ tmp = readl(&denali_pi[174]) >> 8;
+ if ((((tmp >> 12) & 0x1) == 0x1) &&
+ (((tmp >> 13) & 0x1) == 0x1) &&
+ (((tmp >> 6) & 0x1) == 0x0))
+ break;
+ else if (((tmp >> 6) & 0x1) == 0x1)
+ return -EIO;
+ }
+ /* clear interrupt,PI_175 PI_INT_ACK:WR:0:17 */
+ writel(0x00003f7c, (&denali_pi[175]));
+ }
+ clrbits_le32(&denali_pi[124], 0x3 << 16);
+
+ return 0;
+}
+
+static int data_training(const struct chan_info *chan, u32 channel,
+ const struct rk3399_sdram_params *sdram_params,
+ u32 training_flag)
+{
+ u32 *denali_phy = chan->publ->denali_phy;
+
+ /* PHY_927 PHY_PAD_DQS_DRIVE RPULL offset_22 */
+ setbits_le32(&denali_phy[927], (1 << 22));
+
+ if (training_flag == PI_FULL_TRAINING) {
+ if (sdram_params->base.dramtype == LPDDR4) {
+ training_flag = PI_CA_TRAINING | PI_WRITE_LEVELING |
+ PI_READ_GATE_TRAINING |
+ PI_READ_LEVELING | PI_WDQ_LEVELING;
+ } else if (sdram_params->base.dramtype == LPDDR3) {
+ training_flag = PI_CA_TRAINING | PI_WRITE_LEVELING |
+ PI_READ_GATE_TRAINING;
+ } else if (sdram_params->base.dramtype == DDR3) {
+ training_flag = PI_WRITE_LEVELING |
+ PI_READ_GATE_TRAINING |
+ PI_READ_LEVELING;
+ }
+ }
+
+ /* ca training(LPDDR4,LPDDR3 support) */
+ if ((training_flag & PI_CA_TRAINING) == PI_CA_TRAINING)
+ data_training_ca(chan, channel, sdram_params);
+
+ /* write leveling(LPDDR4,LPDDR3,DDR3 support) */
+ if ((training_flag & PI_WRITE_LEVELING) == PI_WRITE_LEVELING)
+ data_training_wl(chan, channel, sdram_params);
+
+ /* read gate training(LPDDR4,LPDDR3,DDR3 support) */
+ if ((training_flag & PI_READ_GATE_TRAINING) == PI_READ_GATE_TRAINING)
+ data_training_rg(chan, channel, sdram_params);
+
+ /* read leveling(LPDDR4,LPDDR3,DDR3 support) */
+ if ((training_flag & PI_READ_LEVELING) == PI_READ_LEVELING)
+ data_training_rl(chan, channel, sdram_params);
+
+ /* wdq leveling(LPDDR4 support) */
+ if ((training_flag & PI_WDQ_LEVELING) == PI_WDQ_LEVELING)
+ data_training_wdql(chan, channel, sdram_params);
+
+ /* PHY_927 PHY_PAD_DQS_DRIVE RPULL offset_22 */
+ clrbits_le32(&denali_phy[927], (1 << 22));
+
+ return 0;
+}
+
+static void set_ddrconfig(const struct chan_info *chan,
+ const struct rk3399_sdram_params *sdram_params,
+ unsigned char channel, u32 ddrconfig)
+{
+ /* only need to set ddrconfig */
+ struct rk3399_msch_regs *ddr_msch_regs = chan->msch;
+ unsigned int cs0_cap = 0;
+ unsigned int cs1_cap = 0;
+
+ cs0_cap = (1 << (sdram_params->ch[channel].cs0_row
+ + sdram_params->ch[channel].col
+ + sdram_params->ch[channel].bk
+ + sdram_params->ch[channel].bw - 20));
+ if (sdram_params->ch[channel].rank > 1)
+ cs1_cap = cs0_cap >> (sdram_params->ch[channel].cs0_row
+ - sdram_params->ch[channel].cs1_row);
+ if (sdram_params->ch[channel].row_3_4) {
+ cs0_cap = cs0_cap * 3 / 4;
+ cs1_cap = cs1_cap * 3 / 4;
+ }
+
+ writel(ddrconfig | (ddrconfig << 8), &ddr_msch_regs->ddrconf);
+ writel(((cs0_cap / 32) & 0xff) | (((cs1_cap / 32) & 0xff) << 8),
+ &ddr_msch_regs->ddrsize);
+}
+
+static void dram_all_config(struct dram_info *dram,
+ const struct rk3399_sdram_params *sdram_params)
+{
+ u32 sys_reg = 0;
+ unsigned int channel, idx;
+
+ sys_reg |= sdram_params->base.dramtype << SYS_REG_DDRTYPE_SHIFT;
+ sys_reg |= (sdram_params->base.num_channels - 1)
+ << SYS_REG_NUM_CH_SHIFT;
+ for (channel = 0, idx = 0;
+ (idx < sdram_params->base.num_channels) && (channel < 2);
+ channel++) {
+ const struct rk3399_sdram_channel *info =
+ &sdram_params->ch[channel];
+ struct rk3399_msch_regs *ddr_msch_regs;
+ const struct rk3399_msch_timings *noc_timing;
+
+ if (sdram_params->ch[channel].col == 0)
+ continue;
+ idx++;
+ sys_reg |= info->row_3_4 << SYS_REG_ROW_3_4_SHIFT(channel);
+ sys_reg |= 1 << SYS_REG_CHINFO_SHIFT(channel);
+ sys_reg |= (info->rank - 1) << SYS_REG_RANK_SHIFT(channel);
+ sys_reg |= (info->col - 9) << SYS_REG_COL_SHIFT(channel);
+ sys_reg |= info->bk == 3 ? 0 : 1 << SYS_REG_BK_SHIFT(channel);
+ sys_reg |= (info->cs0_row - 13) << SYS_REG_CS0_ROW_SHIFT(channel);
+ sys_reg |= (info->cs1_row - 13) << SYS_REG_CS1_ROW_SHIFT(channel);
+ sys_reg |= (2 >> info->bw) << SYS_REG_BW_SHIFT(channel);
+ sys_reg |= (2 >> info->dbw) << SYS_REG_DBW_SHIFT(channel);
+
+ ddr_msch_regs = dram->chan[channel].msch;
+ noc_timing = &sdram_params->ch[channel].noc_timings;
+ writel(noc_timing->ddrtiminga0,
+ &ddr_msch_regs->ddrtiminga0);
+ writel(noc_timing->ddrtimingb0,
+ &ddr_msch_regs->ddrtimingb0);
+ writel(noc_timing->ddrtimingc0,
+ &ddr_msch_regs->ddrtimingc0);
+ writel(noc_timing->devtodev0,
+ &ddr_msch_regs->devtodev0);
+ writel(noc_timing->ddrmode,
+ &ddr_msch_regs->ddrmode);
+
+ /* rank 1 memory clock disable (dfi_dram_clk_disable = 1) */
+ if (sdram_params->ch[channel].rank == 1)
+ setbits_le32(&dram->chan[channel].pctl->denali_ctl[276],
+ 1 << 17);
+ }
+
+ writel(sys_reg, &dram->pmugrf->os_reg2);
+ rk_clrsetreg(&dram->pmusgrf->soc_con4, 0x1f << 10,
+ sdram_params->base.stride << 10);
+
+ /* reboot hold register set */
+ writel(PRESET_SGRF_HOLD(0) | PRESET_GPIO0_HOLD(1) |
+ PRESET_GPIO1_HOLD(1),
+ &dram->pmucru->pmucru_rstnhold_con[1]);
+ clrsetbits_le32(&dram->cru->glb_rst_con, 0x3, 0x3);
+}
+
+static int switch_to_phy_index1(struct dram_info *dram,
+ const struct rk3399_sdram_params *sdram_params)
+{
+ u32 channel;
+ u32 *denali_phy;
+ u32 ch_count = sdram_params->base.num_channels;
+ int ret;
+ int i = 0;
+
+ writel(RK_CLRSETBITS(0x03 << 4 | 1 << 2 | 1,
+ 1 << 4 | 1 << 2 | 1),
+ &dram->cic->cic_ctrl0);
+ while (!(readl(&dram->cic->cic_status0) & (1 << 2))) {
+ mdelay(10);
+ i++;
+ if (i > 10) {
+ debug("index1 frequency change overtime\n");
+ return -ETIME;
+ }
+ }
+
+ i = 0;
+ writel(RK_CLRSETBITS(1 << 1, 1 << 1), &dram->cic->cic_ctrl0);
+ while (!(readl(&dram->cic->cic_status0) & (1 << 0))) {
+ mdelay(10);
+ if (i > 10) {
+ debug("index1 frequency done overtime\n");
+ return -ETIME;
+ }
+ }
+
+ for (channel = 0; channel < ch_count; channel++) {
+ denali_phy = dram->chan[channel].publ->denali_phy;
+ clrsetbits_le32(&denali_phy[896], (0x3 << 8) | 1, 1 << 8);
+ ret = data_training(&dram->chan[channel], channel,
+ sdram_params, PI_FULL_TRAINING);
+ if (ret) {
+ debug("index1 training failed\n");
+ return ret;
+ }
+ }
+
+ return 0;
+}
+
+static int sdram_init(struct dram_info *dram,
+ const struct rk3399_sdram_params *sdram_params)
+{
+ unsigned char dramtype = sdram_params->base.dramtype;
+ unsigned int ddr_freq = sdram_params->base.ddr_freq;
+ int channel;
+
+ debug("Starting SDRAM initialization...\n");
+
+ if ((dramtype == DDR3 && ddr_freq > 800) ||
+ (dramtype == LPDDR3 && ddr_freq > 933) ||
+ (dramtype == LPDDR4 && ddr_freq > 800)) {
+ debug("SDRAM frequency is to high!");
+ return -E2BIG;
+ }
+
+ for (channel = 0; channel < 2; channel++) {
+ const struct chan_info *chan = &dram->chan[channel];
+ struct rk3399_ddr_publ_regs *publ = chan->publ;
+
+ phy_dll_bypass_set(publ, ddr_freq);
+
+ if (channel >= sdram_params->base.num_channels)
+ continue;
+
+ if (pctl_cfg(chan, channel, sdram_params) != 0) {
+ printf("pctl_cfg fail, reset\n");
+ return -EIO;
+ }
+
+ /* LPDDR2/LPDDR3 need to wait DAI complete, max 10us */
+ if (dramtype == LPDDR3)
+ udelay(10);
+
+ if (data_training(chan, channel,
+ sdram_params, PI_FULL_TRAINING)) {
+ printf("SDRAM initialization failed, reset\n");
+ return -EIO;
+ }
+
+ set_ddrconfig(chan, sdram_params, channel,
+ sdram_params->ch[channel].ddrconfig);
+ }
+ dram_all_config(dram, sdram_params);
+ switch_to_phy_index1(dram, sdram_params);
+
+ debug("Finish SDRAM initialization...\n");
+ return 0;
+}
+
+static int rk3399_dmc_ofdata_to_platdata(struct udevice *dev)
+{
+#if !CONFIG_IS_ENABLED(OF_PLATDATA)
+ struct rockchip_dmc_plat *plat = dev_get_platdata(dev);
+ const void *blob = gd->fdt_blob;
+ int node = dev->of_offset;
+ int ret;
+
+ ret = fdtdec_get_int_array(blob, node, "rockchip,sdram-params",
+ (u32 *)&plat->sdram_params,
+ sizeof(plat->sdram_params) / sizeof(u32));
+ if (ret) {
+ printf("%s: Cannot read rockchip,sdram-params %d\n",
+ __func__, ret);
+ return ret;
+ }
+ ret = regmap_init_mem(dev, &plat->map);
+ if (ret)
+ printf("%s: regmap failed %d\n", __func__, ret);
+
+#endif
+ return 0;
+}
+
+#if CONFIG_IS_ENABLED(OF_PLATDATA)
+static int conv_of_platdata(struct udevice *dev)
+{
+ struct rockchip_dmc_plat *plat = dev_get_platdata(dev);
+ struct dtd_rockchip_rk3399_dmc *dtplat = &plat->dtplat;
+ int ret;
+
+ ret = regmap_init_mem_platdata(dev, dtplat->reg,
+ ARRAY_SIZE(dtplat->reg) / 4,
+ &plat->map);
+ if (ret)
+ return ret;
+
+ return 0;
+}
+#endif
+
+static int rk3399_dmc_init(struct udevice *dev)
+{
+ struct dram_info *priv = dev_get_priv(dev);
+ struct rockchip_dmc_plat *plat = dev_get_platdata(dev);
+ int ret;
+#if !CONFIG_IS_ENABLED(OF_PLATDATA)
+ struct rk3399_sdram_params *params = &plat->sdram_params;
+#else
+ struct dtd_rockchip_rk3399_dmc *dtplat = &plat->dtplat;
+ struct rk3399_sdram_params *params =
+ (void *)dtplat->rockchip_sdram_params;
+
+ ret = conv_of_platdata(dev);
+ if (ret)
+ return ret;
+#endif
+
+ priv->cic = syscon_get_first_range(ROCKCHIP_SYSCON_CIC);
+ priv->pmugrf = syscon_get_first_range(ROCKCHIP_SYSCON_PMUGRF);
+ priv->pmusgrf = syscon_get_first_range(ROCKCHIP_SYSCON_PMUSGRF);
+ priv->pmucru = rockchip_get_pmucru();
+ priv->cru = rockchip_get_cru();
+ priv->chan[0].pctl = regmap_get_range(plat->map, 0);
+ priv->chan[0].pi = regmap_get_range(plat->map, 1);
+ priv->chan[0].publ = regmap_get_range(plat->map, 2);
+ priv->chan[0].msch = regmap_get_range(plat->map, 3);
+ priv->chan[1].pctl = regmap_get_range(plat->map, 4);
+ priv->chan[1].pi = regmap_get_range(plat->map, 5);
+ priv->chan[1].publ = regmap_get_range(plat->map, 6);
+ priv->chan[1].msch = regmap_get_range(plat->map, 7);
+
+ debug("con reg %p %p %p %p %p %p %p %p\n",
+ priv->chan[0].pctl, priv->chan[0].pi,
+ priv->chan[0].publ, priv->chan[0].msch,
+ priv->chan[1].pctl, priv->chan[1].pi,
+ priv->chan[1].publ, priv->chan[1].msch);
+ debug("cru %p, cic %p, grf %p, sgrf %p, pmucru %p\n", priv->cru,
+ priv->cic, priv->pmugrf, priv->pmusgrf, priv->pmucru);
+#if CONFIG_IS_ENABLED(OF_PLATDATA)
+ ret = clk_get_by_index_platdata(dev, 0, dtplat->clocks, &priv->ddr_clk);
+#else
+ ret = clk_get_by_index(dev, 0, &priv->ddr_clk);
+#endif
+ if (ret) {
+ printf("%s clk get failed %d\n", __func__, ret);
+ return ret;
+ }
+ ret = clk_set_rate(&priv->ddr_clk, params->base.ddr_freq * MHz);
+ if (ret < 0) {
+ printf("%s clk set failed %d\n", __func__, ret);
+ return ret;
+ }
+ ret = sdram_init(priv, params);
+ if (ret < 0) {
+ printf("%s DRAM init failed%d\n", __func__, ret);
+ return ret;
+ }
+
+ return 0;
+}
+#endif
+
+size_t sdram_size_mb(struct dram_info *dram)
+{
+ u32 rank, col, bk, cs0_row, cs1_row, bw, row_3_4;
+ size_t chipsize_mb = 0;
+ size_t size_mb = 0;
+ u32 ch;
+
+ u32 sys_reg = readl(&dram->pmugrf->os_reg2);
+ u32 ch_num = 1 + ((sys_reg >> SYS_REG_NUM_CH_SHIFT)
+ & SYS_REG_NUM_CH_MASK);
+
+ for (ch = 0; ch < ch_num; ch++) {
+ rank = 1 + (sys_reg >> SYS_REG_RANK_SHIFT(ch) &
+ SYS_REG_RANK_MASK);
+ col = 9 + (sys_reg >> SYS_REG_COL_SHIFT(ch) & SYS_REG_COL_MASK);
+ bk = 3 - ((sys_reg >> SYS_REG_BK_SHIFT(ch)) & SYS_REG_BK_MASK);
+ cs0_row = 13 + (sys_reg >> SYS_REG_CS0_ROW_SHIFT(ch) &
+ SYS_REG_CS0_ROW_MASK);
+ cs1_row = 13 + (sys_reg >> SYS_REG_CS1_ROW_SHIFT(ch) &
+ SYS_REG_CS1_ROW_MASK);
+ bw = (2 >> ((sys_reg >> SYS_REG_BW_SHIFT(ch)) &
+ SYS_REG_BW_MASK));
+ row_3_4 = sys_reg >> SYS_REG_ROW_3_4_SHIFT(ch) &
+ SYS_REG_ROW_3_4_MASK;
+
+ chipsize_mb = (1 << (cs0_row + col + bk + bw - 20));
+
+ if (rank > 1)
+ chipsize_mb += chipsize_mb >> (cs0_row - cs1_row);
+ if (row_3_4)
+ chipsize_mb = chipsize_mb * 3 / 4;
+ size_mb += chipsize_mb;
+ }
+
+ /*
+ * we use the 0x00000000~0xf7ffffff space
+ * since 0xf8000000~0xffffffff is soc register space
+ * so we reserve it
+ */
+ size_mb = min_t(size_t, size_mb, 0xf8000000/(1<<20));
+
+ return size_mb;
+}
+
+static int rk3399_dmc_probe(struct udevice *dev)
+{
+#ifdef CONFIG_SPL_BUILD
+ if (rk3399_dmc_init(dev))
+ return 0;
+#else
+ struct dram_info *priv = dev_get_priv(dev);
+
+ priv->pmugrf = syscon_get_first_range(ROCKCHIP_SYSCON_PMUGRF);
+ debug("%s: pmugrf=%p\n", __func__, priv->pmugrf);
+#endif
+ return 0;
+}
+
+static int rk3399_dmc_get_info(struct udevice *dev, struct ram_info *info)
+{
+ struct dram_info *priv = dev_get_priv(dev);
+
+ info = &priv->info;
+ priv->info.base = 0;
+ priv->info.size = sdram_size_mb(priv) << 20;
+
+ return 0;
+}
+
+static struct ram_ops rk3399_dmc_ops = {
+ .get_info = rk3399_dmc_get_info,
+};
+
+
+static const struct udevice_id rk3399_dmc_ids[] = {
+ { .compatible = "rockchip,rk3399-dmc" },
+ { }
+};
+
+U_BOOT_DRIVER(dmc_rk3399) = {
+ .name = "rockchip_rk3399_dmc",
+ .id = UCLASS_RAM,
+ .of_match = rk3399_dmc_ids,
+ .ops = &rk3399_dmc_ops,
+#ifdef CONFIG_SPL_BUILD
+ .ofdata_to_platdata = rk3399_dmc_ofdata_to_platdata,
+#endif
+ .probe = rk3399_dmc_probe,
+#ifdef CONFIG_SPL_BUILD
+ .priv_auto_alloc_size = sizeof(struct dram_info),
+ .platdata_auto_alloc_size = sizeof(struct rockchip_dmc_plat),
+#endif
+};
diff --git a/doc/device-tree-bindings/clock/rockchip,rk3399-dmc.txt b/doc/device-tree-bindings/clock/rockchip,rk3399-dmc.txt
new file mode 100644
index 0000000000..a15dc5d1f8
--- /dev/null
+++ b/doc/device-tree-bindings/clock/rockchip,rk3399-dmc.txt
@@ -0,0 +1,42 @@
+Rockchip Dynamic Memory Controller Driver
+Required properties:
+- compatible: "rockchip,rk3399-dmc", "syscon"
+- rockchip,cru: this driver should access cru regs, so need get cru here
+- rockchip,pmucru: this driver should access pmucru regs, so need get pmucru here
+- rockchip,pmugrf: this driver should access pmugrf regs, so need get pmugrf here
+- rockchip,pmusgrf: this driver should access pmusgrf regs, so need get pmusgrf here
+- rockchip,cic: this driver should access cic regs, so need get cic here
+- reg: dynamic ram protocol controller(PCTL) address, PHY Independent(PI) address, phy controller(PHYCTL) address and memory schedule(MSCH) address
+- clock: must include clock specifiers corresponding to entries in the clock-names property.
+ Must contain
+ dmc_clk: for ddr working frequency
+- rockchip,sdram-params: SDRAM parameters, including all the information by ddr driver:
+ Must contain
+ Genarate by vendor tool and adjust for U-Boot dtsi.
+
+Example:
+ dmc: dmc {
+ u-boot,dm-pre-reloc;
+ compatible = "rockchip,rk3399-dmc";
+ devfreq-events = <&dfi>;
+ interrupts = <GIC_SPI 1 IRQ_TYPE_LEVEL_HIGH 0>;
+ clocks = <&cru SCLK_DDRCLK>;
+ clock-names = "dmc_clk";
+ reg = <0x0 0xffa80000 0x0 0x0800
+ 0x0 0xffa80800 0x0 0x1800
+ 0x0 0xffa82000 0x0 0x2000
+ 0x0 0xffa84000 0x0 0x1000
+ 0x0 0xffa88000 0x0 0x0800
+ 0x0 0xffa88800 0x0 0x1800
+ 0x0 0xffa8a000 0x0 0x2000
+ 0x0 0xffa8c000 0x0 0x1000>;
+ };
+
+ &dmc {
+ rockchip,sdram-params = <
+ 0x2
+ 0xa
+ 0x3
+ ...
+ >;
+ };