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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 /arch/arm/include/asm/arch-rockchip/sdram_rk3399.h
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>
Diffstat (limited to 'arch/arm/include/asm/arch-rockchip/sdram_rk3399.h')
-rw-r--r--arch/arm/include/asm/arch-rockchip/sdram_rk3399.h119
1 files changed, 119 insertions, 0 deletions
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