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authorLin Huang <hl@rock-chips.com>2016-03-17 15:28:33 +0800
committerPatrick Georgi <pgeorgi@google.com>2016-05-09 08:45:13 +0200
commitc4cbf482f796b12f240bb88340a61ecac12ee090 (patch)
tree7796d0ccf31ab7d45742343a10e78c4cd0984f59 /src/soc/rockchip/rk3399
parent5dae9306d9fcfe660b0379f3b99976f8d5828b61 (diff)
downloadcoreboot-c4cbf482f796b12f240bb88340a61ecac12ee090.tar.xz
rockchip: rk3399: add sdram driver
Add the sdram driver for rk3399. With this patch we can boot into depthcharge. This patch also include a config file for lpddr3-hynix-4GB that generated bases on its datasheet. Please refer to TRM V0.3 Part1 Chapter 9 for DMC. BRANCH=none BUG=chrome-os-partner:51537 TEST=boot to depthcharge on kevin Change-Id: I2afcaa3b68dbad77a5fe677b835289b675ed2bef Signed-off-by: Patrick Georgi <pgeorgi@chromium.org> Original-Commit-Id: 5d777e29942057fb7237eefa34051d1f54b19405 Original-Change-Id: Ifa1fe98a7058869518757d50678a64620610d91d Original-Signed-off-by: Lin Huang <hl@rock-chips.com> Original-Signed-off-by: Vadim Bendebury <vbendeb@chromium.org> Original-Reviewed-on: https://chromium-review.googlesource.com/332562 Reviewed-on: https://review.coreboot.org/14716 Tested-by: build bot (Jenkins) Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
Diffstat (limited to 'src/soc/rockchip/rk3399')
-rw-r--r--src/soc/rockchip/rk3399/include/soc/addressmap.h5
-rw-r--r--src/soc/rockchip/rk3399/include/soc/sdram.h167
-rw-r--r--src/soc/rockchip/rk3399/romstage.c3
-rw-r--r--src/soc/rockchip/rk3399/sdram.c810
4 files changed, 984 insertions, 1 deletions
diff --git a/src/soc/rockchip/rk3399/include/soc/addressmap.h b/src/soc/rockchip/rk3399/include/soc/addressmap.h
index 30bb46495a..8c1dacc08c 100644
--- a/src/soc/rockchip/rk3399/include/soc/addressmap.h
+++ b/src/soc/rockchip/rk3399/include/soc/addressmap.h
@@ -58,6 +58,11 @@
#define SARADC_BASE 0xff100000
#define RK_PWM_BASE 0xff420000
+#define DDRC0_BASE_ADDR 0xffa80000
+#define SERVER_MSCH0_BASE_ADDR 0xffa84000
+#define DDRC1_BASE_ADDR 0xffa88000
+#define SERVER_MSCH1_BASE_ADDR 0xffa8c000
+
#define IC_BASES { I2C0_BASE, I2C1_BASE, I2C2_BASE, I2C3_BASE, \
I2C4_BASE, I2C5_BASE, I2C6_BASE, I2C7_BASE, I2C8_BASE }
diff --git a/src/soc/rockchip/rk3399/include/soc/sdram.h b/src/soc/rockchip/rk3399/include/soc/sdram.h
index fb5d8cd319..5c7273bcc1 100644
--- a/src/soc/rockchip/rk3399/include/soc/sdram.h
+++ b/src/soc/rockchip/rk3399/include/soc/sdram.h
@@ -18,6 +18,173 @@
#include <stddef.h>
+enum {
+ DDR3 = 3,
+ LPDDR2 = 5,
+ LPDDR3 = 6,
+ LPDDR4 = 7,
+ 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];
+};
+union noc_ddrtiminga0 {
+ u32 d32;
+ struct {
+ unsigned acttoact : 6;
+ unsigned reserved0 : 2;
+ unsigned rdtomiss : 6;
+ unsigned reserved1 : 2;
+ unsigned wrtomiss : 6;
+ unsigned reserved2 : 2;
+ unsigned readlatency : 8;
+ } b;
+};
+
+union noc_ddrtimingb0 {
+ u32 d32;
+ struct {
+ unsigned rdtowr : 5;
+ unsigned reserved0 : 3;
+ unsigned wrtord : 5;
+ unsigned reserved1 : 3;
+ unsigned rrd : 4;
+ unsigned reserved2 : 4;
+ unsigned faw : 6;
+ unsigned reserved3 : 2;
+ } b;
+};
+
+union noc_ddrtimingc0 {
+ u32 d32;
+ struct {
+ unsigned burstpenalty : 4;
+ unsigned reserved0 : 4;
+ unsigned wrtomwr : 6;
+ unsigned reserved1 : 18;
+ } b;
+};
+
+union noc_devtodev0 {
+ u32 d32;
+ struct {
+ unsigned busrdtord : 3;
+ unsigned reserved0 : 1;
+ unsigned busrdtowr : 3;
+ unsigned reserved1 : 1;
+ unsigned buswrtord : 3;
+ unsigned reserved2 : 1;
+ unsigned buswrtowr : 3;
+ unsigned reserved3 : 17;
+ } b;
+};
+
+union noc_ddrmode {
+ u32 d32;
+ struct {
+ unsigned autoprecharge : 1;
+ unsigned bypassfiltering : 1;
+ unsigned fawbank : 1;
+ unsigned burstsize : 2;
+ unsigned mwrsize : 2;
+ unsigned reserved2 : 1;
+ unsigned forceorder : 8;
+ unsigned forceorderstate : 8;
+ unsigned reserved3 : 8;
+ } b;
+};
+
+struct rk3399_msch_regs {
+ u32 coreid;
+ u32 revisionid;
+ u32 ddrconf;
+ u32 ddrsize;
+ union noc_ddrtiminga0 ddrtiminga0;
+ union noc_ddrtimingb0 ddrtimingb0;
+ union noc_ddrtimingc0 ddrtimingc0;
+ union noc_devtodev0 devtodev0;
+ u32 reserved0[(0x110-0x20)/4];
+ union noc_ddrmode ddrmode;
+ u32 reserved1[(0x1000-0x114)/4];
+ u32 agingx0;
+};
+
+struct rk3399_msch_timings {
+ union noc_ddrtiminga0 ddrtiminga0;
+ union noc_ddrtimingb0 ddrtimingb0;
+ union noc_ddrtimingc0 ddrtimingc0;
+ union noc_devtodev0 devtodev0;
+ union noc_ddrmode ddrmode;
+ u32 agingx0;
+};
+
+/* 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 char rank;
+ /* col = 0, means this channel is invalid */
+ unsigned char col;
+ /* 3:8bank, 2:4bank */
+ unsigned char bk;
+ /* channel buswidth, 2:32bit, 1:16bit, 0:8bit */
+ unsigned char bw;
+ /* die buswidth, 2:32bit, 1:16bit, 0:8bit */
+ unsigned char dbw;
+ /* row_3_4 = 1: 6Gb or 12Gb die
+ * row_3_4 = 0: normal die, power of 2
+ */
+ unsigned char row_3_4;
+ unsigned char cs0_row;
+ unsigned char cs1_row;
+ unsigned int ddrconfig;
+ struct rk3399_msch_timings noc_timings;
+};
+
+struct rk3399_sdram_params {
+ struct rk3399_sdram_channel ch[2];
+ unsigned int ddr_freq;
+ unsigned char dramtype;
+ unsigned char num_channels;
+ unsigned char stride;
+ unsigned char odt;
+ /* align 8 byte */
+ struct rk3399_ddr_pctl_regs pctl_regs;
+ /* align 8 byte */
+ struct rk3399_ddr_pi_regs pi_regs;
+ /* align 8 byte */
+ struct rk3399_ddr_publ_regs phy_regs;
+ /* used for align 8byte for next struct */
+ unsigned int align_8;
+};
+
+#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_TARINING (0xff)
+
+void sdram_init(const struct rk3399_sdram_params *sdram_params);
+u32 sdram_get_ram_code(void);
+const struct rk3399_sdram_params *get_sdram_config(void);
+const struct rk3399_sdram_params
+ *get_default_sdram_config(unsigned char dramtype);
size_t sdram_size_mb(void);
#endif
diff --git a/src/soc/rockchip/rk3399/romstage.c b/src/soc/rockchip/rk3399/romstage.c
index 93eb41a168..c7183b671e 100644
--- a/src/soc/rockchip/rk3399/romstage.c
+++ b/src/soc/rockchip/rk3399/romstage.c
@@ -26,6 +26,7 @@
#include <romstage_handoff.h>
#include <symbols.h>
#include <soc/mmu_operations.h>
+#include <soc/sdram.h>
static const uint64_t dram_size = (uint64_t)CONFIG_DRAM_SIZE_MB * MiB;
@@ -34,7 +35,7 @@ void main(void)
console_init();
exception_init();
- /*TODO: need implement sdram init */
+ sdram_init(get_sdram_config());
mmu_config_range((void *)0, (uintptr_t)dram_size, CACHED_MEM);
mmu_config_range(_dma_coherent, _dma_coherent_size, UNCACHED_MEM);
diff --git a/src/soc/rockchip/rk3399/sdram.c b/src/soc/rockchip/rk3399/sdram.c
index 00adc9e73f..2448a9439c 100644
--- a/src/soc/rockchip/rk3399/sdram.c
+++ b/src/soc/rockchip/rk3399/sdram.c
@@ -13,7 +13,817 @@
* GNU General Public License for more details.
*/
+#include <arch/io.h>
+#include <console/console.h>
+#include <delay.h>
+#include <soc/addressmap.h>
+#include <soc/clock.h>
#include <soc/sdram.h>
+#include <soc/grf.h>
+#include <soc/soc.h>
+#include <string.h>
+#include <types.h>
+
+#define DDR_PI_OFFSET 0x800
+#define DDR_PHY_OFFSET 0x2000
+#define DDRC0_PI_BASE_ADDR (DDRC0_BASE_ADDR + DDR_PI_OFFSET)
+#define DDRC0_PHY_BASE_ADDR (DDRC0_BASE_ADDR + DDR_PHY_OFFSET)
+#define DDRC1_PI_BASE_ADDR (DDRC1_BASE_ADDR + DDR_PI_OFFSET)
+#define DDRC1_PHY_BASE_ADDR (DDRC1_BASE_ADDR + DDR_PHY_OFFSET)
+
+static struct rk3399_ddr_pctl_regs * const rk3399_ddr_pctl[2] = {
+ (void *)DDRC0_BASE_ADDR, (void *)DDRC1_BASE_ADDR };
+static struct rk3399_ddr_pi_regs * const rk3399_ddr_pi[2] = {
+ (void *)DDRC0_PI_BASE_ADDR, (void *)DDRC1_PI_BASE_ADDR };
+static struct rk3399_ddr_publ_regs * const rk3399_ddr_publ[2] = {
+ (void *)DDRC0_PHY_BASE_ADDR, (void *)DDRC1_PHY_BASE_ADDR };
+static struct rk3399_msch_regs * const rk3399_msch[2] = {
+ (void *)SERVER_MSCH0_BASE_ADDR, (void *)SERVER_MSCH1_BASE_ADDR };
+
+/*
+ * 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_ENC_ROW_3_4(n, ch) ((n) << (30 + (ch)))
+#define SYS_REG_DEC_ROW_3_4(n, ch) ((n >> (30 + ch)) & 0x1)
+#define SYS_REG_ENC_CHINFO(ch) (1 << (28 + (ch)))
+#define SYS_REG_ENC_DDRTYPE(n) ((n) << 13)
+#define SYS_REG_ENC_NUM_CH(n) (((n) - 1) << 12)
+#define SYS_REG_DEC_NUM_CH(n) (1 + ((n >> 12) & 0x1))
+#define SYS_REG_ENC_RANK(n, ch) (((n) - 1) << (11 + ((ch) * 16)))
+#define SYS_REG_DEC_RANK(n, ch) (1 + ((n >> (11 + 16 * ch)) & 0x1))
+#define SYS_REG_ENC_COL(n, ch) (((n) - 9) << (9 + ((ch) * 16)))
+#define SYS_REG_DEC_COL(n, ch) (9 + ((n >> (9 + 16 * ch)) & 0x3))
+#define SYS_REG_ENC_BK(n, ch) (((n) == 3 ? 0 : 1) \
+ << (8 + ((ch) * 16)))
+#define SYS_REG_DEC_BK(n, ch) (3 - ((n >> (8 + 16 * ch)) & 0x1))
+#define SYS_REG_ENC_CS0_ROW(n, ch) (((n) - 13) << (6 + ((ch) * 16)))
+#define SYS_REG_DEC_CS0_ROW(n, ch) (13 + ((n >> (6 + 16 * ch)) & 0x3))
+#define SYS_REG_ENC_CS1_ROW(n, ch) (((n) - 13) << (4 + ((ch) * 16)))
+#define SYS_REG_DEC_CS1_ROW(n, ch) (13 + ((n >> (4 + 16 * ch)) & 0x3))
+#define SYS_REG_ENC_BW(n, ch) ((2 >> (n)) << (2 + ((ch) * 16)))
+#define SYS_REG_DEC_BW(n, ch) (2 >> ((n >> (2 + 16 * ch)) & 0x3))
+#define SYS_REG_ENC_DBW(n, ch) ((2 >> (n)) << (0 + ((ch) * 16)))
+#define SYS_REG_DEC_DBW(n, ch) (2 >> ((n >> (0 + 16 * ch)) & 0x3))
+
+#define DDR_STRIDE(n) write32(&rk3399_pmusgrf->soc_con4,\
+ (0x1F << (10 + 16)) | (n << 10))
+
+#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)
+
+static void copy_to_reg(u32 *dest, u32 *src, u32 n)
+{
+ int i;
+
+ for (i = 0; i < n / sizeof(u32); i++) {
+ write32(dest, *src);
+ src++;
+ dest++;
+ }
+}
+
+static void ddr_move_to_access_state(u32 channel)
+{
+}
+
+static void phy_dll_bypass_set(u32 channel,
+ struct rk3399_ddr_publ_regs *ddr_publ_regs, u32 freq)
+{
+ if (freq <= 125000) {
+ /* phy_sw_master_mode_X */
+ /* PHY_86/214/342/470 4bits offset_8 */
+ setbits_le32(&ddr_publ_regs->denali_phy[86],
+ (0x3 << 2) << 8);
+ setbits_le32(&ddr_publ_regs->denali_phy[214],
+ (0x3 << 2) << 8);
+ setbits_le32(&ddr_publ_regs->denali_phy[342],
+ (0x3 << 2) << 8);
+ setbits_le32(&ddr_publ_regs->denali_phy[470],
+ (0x3 << 2) << 8);
+ /* phy_adrctl_sw_master_mode */
+ /* PHY_547/675/803 4bits offset_16 */
+ setbits_le32(&ddr_publ_regs->denali_phy[547],
+ (0x3 << 2) << 16);
+ setbits_le32(&ddr_publ_regs->denali_phy[675],
+ (0x3 << 2) << 16);
+ setbits_le32(&ddr_publ_regs->denali_phy[803],
+ (0x3 << 2) << 16);
+ } else {
+ /* phy_sw_master_mode_X */
+ /* PHY_86/214/342/470 4bits offset_8 */
+ clrbits_le32(&ddr_publ_regs->denali_phy[86],
+ (0x3 << 2) << 8);
+ clrbits_le32(&ddr_publ_regs->denali_phy[214],
+ (0x3 << 2) << 8);
+ clrbits_le32(&ddr_publ_regs->denali_phy[342],
+ (0x3 << 2) << 8);
+ clrbits_le32(&ddr_publ_regs->denali_phy[470],
+ (0x3 << 2) << 8);
+ /* phy_adrctl_sw_master_mode */
+ /* PHY_547/675/803 4bits offset_16 */
+ clrbits_le32(&ddr_publ_regs->denali_phy[547],
+ (0x3 << 2) << 16);
+ clrbits_le32(&ddr_publ_regs->denali_phy[675],
+ (0x3 << 2) << 16);
+ clrbits_le32(&ddr_publ_regs->denali_phy[803],
+ (0x3 << 2) << 16);
+ }
+}
+
+static void set_memory_map(u32 channel,
+ const struct rk3399_sdram_params *sdram_params)
+{
+ struct rk3399_ddr_pctl_regs *ddr_pctl_regs =
+ rk3399_ddr_pctl[channel];
+ u32 cs_map;
+ u32 reduc;
+ struct rk3399_ddr_pi_regs *ddr_pi_regs =
+ rk3399_ddr_pi[channel];
+
+ cs_map = (sdram_params->ch[channel].rank > 1) ? 3 : 1;
+ reduc = (sdram_params->ch[channel].bw == 2) ? 0 : 1;
+
+ clrsetbits_le32(&ddr_pctl_regs->denali_ctl[191], 0xF,
+ (12 - sdram_params->ch[channel].col));
+
+ clrsetbits_le32(&ddr_pctl_regs->denali_ctl[190],
+ (0x3 << 16) | (0x7 << 24),
+ ((3 - sdram_params->ch[channel].bk) << 16) |
+ ((16 - sdram_params->ch[channel].cs0_row) << 24));
+
+ clrsetbits_le32(&ddr_pctl_regs->denali_ctl[196],
+ 0x3 | (1 << 16), cs_map | (reduc << 16));
+
+ /* PI_199 PI_COL_DIFF:RW:0:4 */
+ clrsetbits_le32(&ddr_pi_regs->denali_pi[199],
+ 0xF, (12 - sdram_params->ch[channel].col));
+
+ /* PI_155 PI_ROW_DIFF:RW:24:3 PI_BANK_DIFF:RW:16:2 */
+ clrsetbits_le32(&ddr_pi_regs->denali_pi[155],
+ (0x3 << 16) | (0x7 << 24),
+ ((3 - sdram_params->ch[channel].bk) << 16) |
+ ((16 - sdram_params->ch[channel].cs0_row) << 24));
+ /* PI_41 PI_CS_MAP:RW:24:4 */
+ clrsetbits_le32(&ddr_pi_regs->denali_pi[41],
+ 0xf << 24, cs_map << 24);
+}
+
+static void set_ds_odt(u32 channel,
+ const struct rk3399_sdram_params *sdram_params)
+{
+ struct rk3399_ddr_publ_regs *ddr_publ_regs = rk3399_ddr_publ[channel];
+
+ u32 tsel_idle_en, tsel_wr_en, tsel_rd_en;
+ u32 tsel_idle_select, tsel_wr_select, tsel_rd_select;
+
+ tsel_rd_select = PHY_DRV_ODT_240;
+ tsel_wr_select = PHY_DRV_ODT_40;
+ tsel_idle_select = PHY_DRV_ODT_240;
+
+ if (sdram_params->odt == 1) {
+ tsel_rd_en = 1;
+ tsel_idle_en = 1;
+ } else {
+ tsel_rd_en = 0;
+ tsel_idle_en = 0;
+ }
+ tsel_wr_en = 1;
+
+ /*
+ * 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
+ */
+ clrsetbits_le32(&ddr_publ_regs->denali_phy[6], 0xffffff,
+ tsel_rd_select | (tsel_rd_select << 0x4) |
+ (tsel_wr_select << 8) | (tsel_wr_select << 12) |
+ (tsel_idle_select << 16) | (tsel_idle_select << 20));
+
+ clrsetbits_le32(&ddr_publ_regs->denali_phy[134], 0xffffff,
+ tsel_rd_select | (tsel_rd_select << 0x4) |
+ (tsel_wr_select << 8) | (tsel_wr_select << 12) |
+ (tsel_idle_select << 16) | (tsel_idle_select << 20));
+
+ clrsetbits_le32(&ddr_publ_regs->denali_phy[262], 0xffffff,
+ tsel_rd_select | (tsel_rd_select << 0x4) |
+ (tsel_wr_select << 8) | (tsel_wr_select << 12) |
+ (tsel_idle_select << 16) | (tsel_idle_select << 20));
+
+ clrsetbits_le32(&ddr_publ_regs->denali_phy[390], 0xffffff,
+ tsel_rd_select | (tsel_rd_select << 0x4) |
+ (tsel_wr_select << 8) | (tsel_wr_select << 12) |
+ (tsel_idle_select << 16) | (tsel_idle_select << 20));
+
+ /*
+ * 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(&ddr_publ_regs->denali_phy[7], 0xffffff,
+ tsel_rd_select | (tsel_rd_select << 0x4) |
+ (tsel_wr_select << 8) | (tsel_wr_select << 12) |
+ (tsel_idle_select << 16) | (tsel_idle_select << 20));
+
+ clrsetbits_le32(&ddr_publ_regs->denali_phy[135], 0xffffff,
+ tsel_rd_select | (tsel_rd_select << 0x4) |
+ (tsel_wr_select << 8) | (tsel_wr_select << 12) |
+ (tsel_idle_select << 16) | (tsel_idle_select << 20));
+
+ clrsetbits_le32(&ddr_publ_regs->denali_phy[263], 0xffffff,
+ tsel_rd_select | (tsel_rd_select << 0x4) |
+ (tsel_wr_select << 8) | (tsel_wr_select << 12) |
+ (tsel_idle_select << 16) | (tsel_idle_select << 20));
+
+ clrsetbits_le32(&ddr_publ_regs->denali_phy[391], 0xffffff,
+ tsel_rd_select | (tsel_rd_select << 0x4) |
+ (tsel_wr_select << 8) | (tsel_wr_select << 12) |
+ (tsel_idle_select << 16) | (tsel_idle_select << 20));
+
+ /* phy_adr_tsel_select_ 8bits DENALI_PHY_544/672/800 offset_0 */
+ clrsetbits_le32(&ddr_publ_regs->denali_phy[544], 0xff,
+ tsel_wr_select | (tsel_wr_select << 0x4));
+ clrsetbits_le32(&ddr_publ_regs->denali_phy[672], 0xff,
+ tsel_wr_select | (tsel_wr_select << 0x4));
+ clrsetbits_le32(&ddr_publ_regs->denali_phy[800], 0xff,
+ tsel_wr_select | (tsel_wr_select << 0x4));
+
+ /* phy_pad_addr_drive 29bits DENALI_PHY_928 offset_0 */
+ clrsetbits_le32((&ddr_publ_regs->denali_phy[928]), 0xff,
+ tsel_wr_select | (tsel_wr_select << 0x4));
+
+ /* phy_pad_rst_drive 8bits DENALI_PHY_937 offset_0 */
+ clrsetbits_le32(&ddr_publ_regs->denali_phy[937], 0xff,
+ tsel_wr_select | (tsel_wr_select << 0x4));
+
+ /* phy_pad_cke_drive 8bits DENALI_PHY_935 offset_0 */
+ clrsetbits_le32(&ddr_publ_regs->denali_phy[935], 0xff,
+ tsel_wr_select | (tsel_wr_select << 0x4));
+
+ /* phy_pad_cs_drive 8bits DENALI_PHY_939 offset_0 */
+ clrsetbits_le32(&ddr_publ_regs->denali_phy[939], 0xff,
+ tsel_wr_select | (tsel_wr_select << 0x4));
+
+ /* phy_pad_clk_drive 8bits DENALI_PHY_929 offset_0 */
+ clrsetbits_le32(&ddr_publ_regs->denali_phy[929], 0xff,
+ tsel_wr_select | (tsel_wr_select << 0x4));
+
+ /* phy_pad_fdbk_drive 23bit DENALI_PHY_924/925 */
+ clrsetbits_le32(&ddr_publ_regs->denali_phy[924], 0xff,
+ tsel_wr_select | (tsel_wr_select << 4));
+ clrsetbits_le32(&ddr_publ_regs->denali_phy[925], 0xff,
+ tsel_rd_select | (tsel_rd_select << 4));
+
+ /* phy_dq_tsel_enable_X 3bits DENALI_PHY_5/133/261/389 offset_16 */
+ clrsetbits_le32(&ddr_publ_regs->denali_phy[5], 0x7 << 16,
+ (tsel_rd_en | (tsel_wr_en << 1) | (tsel_idle_en << 2)) << 16);
+ clrsetbits_le32(&ddr_publ_regs->denali_phy[133], 0x7 << 16,
+ (tsel_rd_en | (tsel_wr_en << 1) | (tsel_idle_en << 2)) << 16);
+ clrsetbits_le32(&ddr_publ_regs->denali_phy[261], 0x7 << 16,
+ (tsel_rd_en | (tsel_wr_en << 1) | (tsel_idle_en << 2)) << 16);
+ clrsetbits_le32(&ddr_publ_regs->denali_phy[389], 0x7 << 16,
+ (tsel_rd_en | (tsel_wr_en << 1) | (tsel_idle_en << 2)) << 16);
+
+ /* phy_dqs_tsel_enable_X 3bits DENALI_PHY_6/134/262/390 offset_24 */
+ clrsetbits_le32(&ddr_publ_regs->denali_phy[6], 0x7 << 24,
+ (tsel_rd_en | (tsel_wr_en << 1) |
+ (tsel_idle_en << 2)) << 24);
+ clrsetbits_le32(&ddr_publ_regs->denali_phy[134], 0x7 << 24,
+ (tsel_rd_en | (tsel_wr_en << 1) |
+ (tsel_idle_en << 2)) << 24);
+ clrsetbits_le32(&ddr_publ_regs->denali_phy[262], 0x7 << 24,
+ (tsel_rd_en | (tsel_wr_en << 1) |
+ (tsel_idle_en << 2)) << 24);
+ clrsetbits_le32(&ddr_publ_regs->denali_phy[390], 0x7 << 24,
+ (tsel_rd_en | (tsel_wr_en << 1) |
+ (tsel_idle_en << 2)) << 24);
+
+ /* phy_adr_tsel_enable_ 1bit DENALI_PHY_518/646/774 offset_8 */
+ clrsetbits_le32(&ddr_publ_regs->denali_phy[518],
+ 0x1 << 8, tsel_wr_en << 8);
+ clrsetbits_le32(&ddr_publ_regs->denali_phy[646],
+ 0x1 << 8, tsel_wr_en << 8);
+ clrsetbits_le32(&ddr_publ_regs->denali_phy[774],
+ 0x1 << 8, tsel_wr_en << 8);
+
+ /* phy_pad_addr_term tsel 1bit DENALI_PHY_933 offset_17 */
+ clrsetbits_le32((&ddr_publ_regs->denali_phy[933]),
+ 0x1 << 17, tsel_wr_en << 17);
+
+ /*
+ * pad_rst/cke/cs/clk_term tsel 1bits
+ * DENALI_PHY_938/936/940/934 offset_17
+ */
+ clrsetbits_le32(&ddr_publ_regs->denali_phy[938],
+ 0x1 << 17, tsel_wr_en << 17);
+ clrsetbits_le32(&ddr_publ_regs->denali_phy[936],
+ 0x1 << 17, tsel_wr_en << 17);
+ clrsetbits_le32(&ddr_publ_regs->denali_phy[940],
+ 0x1 << 17, tsel_wr_en << 17);
+ clrsetbits_le32(&ddr_publ_regs->denali_phy[934],
+ 0x1 << 17, tsel_wr_en << 17);
+
+ /* phy_pad_fdbk_term 1bit DENALI_PHY_930 offset_17 */
+ clrsetbits_le32(&ddr_publ_regs->denali_phy[930],
+ 0x1 << 17, tsel_wr_en << 17);
+}
+
+static void pctl_cfg(u32 channel,
+ const struct rk3399_sdram_params *sdram_params)
+{
+ struct rk3399_ddr_pctl_regs *ddr_pctl_regs = rk3399_ddr_pctl[channel];
+ struct rk3399_ddr_pi_regs *ddr_pi_regs = rk3399_ddr_pi[channel];
+ struct rk3399_ddr_publ_regs *ddr_publ_regs = rk3399_ddr_publ[channel];
+ u32 tmp, tmp1, tmp2;
+ u32 pwrup_srefresh_exit;
+
+ /* workaround controller bug:
+ * Do not program DRAM_CLASS until NO_PHY_IND_TRAIN_INT is programmed
+ */
+ copy_to_reg(&ddr_pctl_regs->denali_ctl[1],
+ (u32 *)&sdram_params->pctl_regs.denali_ctl[1],
+ sizeof(struct rk3399_ddr_pctl_regs) - 4);
+ write32(&ddr_pctl_regs->denali_ctl[0],
+ sdram_params->pctl_regs.denali_ctl[0]);
+ copy_to_reg((u32 *)ddr_pi_regs,
+ (u32 *)&sdram_params->pi_regs.denali_pi[0],
+ sizeof(struct rk3399_ddr_pi_regs));
+ /* rank count need to set for init */
+ set_memory_map(channel, sdram_params);
+
+ write32(&ddr_publ_regs->denali_phy[910], 0x6400);
+ write32(&ddr_publ_regs->denali_phy[911], 0x01221102);
+ write32(&ddr_publ_regs->denali_phy[912], 0x0);
+ pwrup_srefresh_exit = read32(&ddr_pctl_regs->denali_ctl[68]) &
+ PWRUP_SREFRESH_EXIT;
+ clrbits_le32(&ddr_pctl_regs->denali_ctl[68], PWRUP_SREFRESH_EXIT);
+
+ /* PHY_DLL_RST_EN */
+ clrsetbits_le32(&ddr_publ_regs->denali_phy[957],
+ 0x3 << 24, 1 << 24);
+
+ setbits_le32(&ddr_pi_regs->denali_pi[0], START);
+ setbits_le32(&ddr_pctl_regs->denali_ctl[0], START);
+
+ while (1) {
+ tmp = read32(&ddr_publ_regs->denali_phy[920]);
+ tmp1 = read32(&ddr_publ_regs->denali_phy[921]);
+ tmp2 = read32(&ddr_publ_regs->denali_phy[922]);
+ if ((((tmp >> 16) & 0x1) == 0x1) &&
+ (((tmp1 >> 16) & 0x1) == 0x1) &&
+ (((tmp1 >> 0) & 0x1) == 0x1) &&
+ (((tmp2 >> 0) & 0x1) == 0x1))
+ break;
+ }
+
+ copy_to_reg((u32 *)&ddr_publ_regs->denali_phy[896],
+ (u32 *)&sdram_params->phy_regs.denali_phy[896],
+ (958 - 895) * 4);
+ copy_to_reg((u32 *)&ddr_publ_regs->denali_phy[0],
+ (u32 *)&sdram_params->phy_regs.denali_phy[0],
+ (90 - 0 + 1) * 4);
+ copy_to_reg((u32 *)&ddr_publ_regs->denali_phy[128],
+ (u32 *)&sdram_params->phy_regs.denali_phy[128],
+ (218 - 128 + 1) * 4);
+ copy_to_reg((u32 *)&ddr_publ_regs->denali_phy[256],
+ (u32 *)&sdram_params->phy_regs.denali_phy[256],
+ (346 - 256 + 1) * 4);
+ copy_to_reg((u32 *)&ddr_publ_regs->denali_phy[384],
+ (u32 *)&sdram_params->phy_regs.denali_phy[384],
+ (474 - 384 + 1) * 4);
+ copy_to_reg((u32 *)&ddr_publ_regs->denali_phy[512],
+ (u32 *)&sdram_params->phy_regs.denali_phy[512],
+ (549 - 512 + 1) * 4);
+ copy_to_reg((u32 *)&ddr_publ_regs->denali_phy[640],
+ (u32 *)&sdram_params->phy_regs.denali_phy[640],
+ (677 - 640 + 1) * 4);
+ copy_to_reg((u32 *)&ddr_publ_regs->denali_phy[768],
+ (u32 *)&sdram_params->phy_regs.denali_phy[768],
+ (805 - 768 + 1) * 4);
+ set_ds_odt(channel, 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 = (read32(&ddr_publ_regs->denali_phy[84]) >> 8) & 0xff;
+ clrsetbits_le32((&ddr_publ_regs->denali_phy[84]),
+ 0xff << 8, (tmp + 0x10) << 8);
+ tmp = (read32(&ddr_publ_regs->denali_phy[212]) >> 8) & 0xff;
+ clrsetbits_le32(&ddr_publ_regs->denali_phy[212],
+ 0xff << 8, (tmp + 0x10) << 8);
+ tmp = (read32(&ddr_publ_regs->denali_phy[340]) >> 8) & 0xff;
+ clrsetbits_le32(&ddr_publ_regs->denali_phy[340],
+ 0xff << 8, (tmp + 0x10) << 8);
+ tmp = (read32(&ddr_publ_regs->denali_phy[468]) >> 8) & 0xff;
+ clrsetbits_le32(&ddr_publ_regs->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 = (read32(&ddr_publ_regs->denali_phy[83]) >> 16) & 0xff;
+ clrsetbits_le32(&ddr_publ_regs->denali_phy[83],
+ 0xff << 16, (tmp + 0x10) << 16);
+ tmp = (read32(&ddr_publ_regs->denali_phy[211]) >> 16) & 0xff;
+ clrsetbits_le32(&ddr_publ_regs->denali_phy[211],
+ 0xff << 16, (tmp + 0x10) << 16);
+ tmp = (read32(&ddr_publ_regs->denali_phy[339]) >> 16) & 0xff;
+ clrsetbits_le32(&ddr_publ_regs->denali_phy[339],
+ 0xff << 16, (tmp + 0x10) << 16);
+ tmp = (read32(&ddr_publ_regs->denali_phy[467]) >> 16) & 0xff;
+ clrsetbits_le32(&ddr_publ_regs->denali_phy[467],
+ 0xff << 16, (tmp + 0x10) << 16);
+
+ /* PHY_DLL_RST_EN */
+ clrsetbits_le32(&ddr_publ_regs->denali_phy[957],
+ 0x3 << 24, 0x2 << 24);
+
+ /* FIXME:
+ * need to care ERROR bit
+ */
+ while (!(read32(&ddr_pctl_regs->denali_ctl[203]) & (1 << 3)))
+ ;
+ clrsetbits_le32(&ddr_pctl_regs->denali_ctl[68],
+ PWRUP_SREFRESH_EXIT,
+ pwrup_srefresh_exit);
+}
+
+static int data_training(u32 channel,
+ const struct rk3399_sdram_params *sdram_params,
+ u32 training_flag)
+{
+ struct rk3399_ddr_pi_regs *ddr_pi_regs = rk3399_ddr_pi[channel];
+ struct rk3399_ddr_publ_regs *ddr_publ_regs = rk3399_ddr_publ[channel];
+ u32 i, tmp;
+ u32 obs_0, obs_1, obs_2, obs_3, obs_err = 0;
+ u32 rank = sdram_params->ch[channel].rank;
+
+ /* PHY_927 PHY_PAD_DQS_DRIVE RPULL offset_22 */
+ setbits_le32(&ddr_publ_regs->denali_phy[927], (1 << 22));
+
+ if (training_flag == PI_FULL_TARINING) {
+ if (sdram_params->dramtype == LPDDR4) {
+ training_flag = PI_CA_TRAINING | PI_WRITE_LEVELING |
+ PI_READ_GATE_TRAINING |
+ PI_READ_LEVELING |
+ PI_WDQ_LEVELING;
+ } else if (sdram_params->dramtype == LPDDR3) {
+ training_flag = PI_READ_GATE_TRAINING;
+ } else if (sdram_params->dramtype == DDR3) {
+ training_flag = PI_WRITE_LEVELING |
+ PI_READ_GATE_TRAINING |
+ PI_READ_LEVELING;
+ }
+ }
+
+ /* PI_58 PI_16BIT_DRAM_CONNECT:RW_D:8:1 */
+ if (sdram_params->ch[channel].bw == 1)
+ setbits_le32(&ddr_pi_regs->denali_pi[58], 0x1 << 8);
+ else
+ clrbits_le32(&ddr_pi_regs->denali_pi[58], 0x1 << 8);
+
+ /* ca tarining(LPDDR4,LPDDR3 support) */
+ if ((training_flag & PI_CA_TRAINING) == PI_CA_TRAINING) {
+ for (i = 0; i < rank; i++) {
+ /* PI_100 PI_CALVL_EN:RW:8:2 */
+ clrsetbits_le32(&ddr_pi_regs->denali_pi[100],
+ 0x3 << 8,
+ 0x2 << 8);
+ /* PI_92 PI_CALVL_REQ:WR:16:1,PI_CALVL_CS:RW:24:2 */
+ clrsetbits_le32(&ddr_pi_regs->denali_pi[92],
+ (0x1 << 16) | (0x3 << 24),
+ (0x1 << 16) | (i << 24));
+ while (1) {
+ /* PI_174 PI_INT_STATUS:RD:8:18 */
+ tmp = read32(&ddr_pi_regs->denali_pi[174]) >> 8;
+ /* check status obs */
+ /* PHY_532/660/789 phy_adr_calvl_obs1_:0:32 */
+ obs_0 = read32(&ddr_publ_regs->denali_phy[532]);
+ obs_1 = read32(&ddr_publ_regs->denali_phy[660]);
+ obs_2 = read32(&ddr_publ_regs->denali_phy[789]);
+ 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 -1;
+ }
+ /* clear interrupt,PI_175 PI_INT_ACK:WR:0:17 */
+ write32((&ddr_pi_regs->denali_pi[175]), 0x00003f7c);
+ }
+ }
+
+ /* write leveling(LPDDR4,LPDDR3,DDR3 support) */
+ if ((training_flag & PI_WRITE_LEVELING) == PI_WRITE_LEVELING) {
+ for (i = 0; i < rank; i++) {
+ /* PI_60 PI_WRLVL_EN:RW:8:2 */
+ clrsetbits_le32(&ddr_pi_regs->denali_pi[60],
+ 0x3 << 8,
+ 0x2 << 8);
+ /* PI_59 PI_WRLVL_REQ:WR:8:1,PI_WRLVL_CS:RW:16:2 */
+ clrsetbits_le32(&ddr_pi_regs->denali_pi[59],
+ (0x1 << 8) | (0x3 << 16),
+ (0x1 << 8) | (i << 16));
+ while (1) {
+
+ /* PI_174 PI_INT_STATUS:RD:8:18 */
+ tmp = read32(&ddr_pi_regs->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 = read32(&ddr_publ_regs->denali_phy[40]);
+ obs_1 = read32(&ddr_publ_regs->denali_phy[168]);
+ obs_2 = read32(&ddr_publ_regs->denali_phy[296]);
+ obs_3 = read32(&ddr_publ_regs->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 -1;
+ }
+ /* clear interrupt,PI_175 PI_INT_ACK:WR:0:17 */
+ write32((&ddr_pi_regs->denali_pi[175]), 0x00003f7c);
+ }
+ }
+
+ /* read gate training(LPDDR4,LPDDR3,DDR3 support) */
+ if ((training_flag & PI_READ_GATE_TRAINING) == PI_READ_GATE_TRAINING) {
+ for (i = 0; i < rank; i++) {
+ /* PI_80 PI_RDLVL_GATE_EN:RW:24:2 */
+ clrsetbits_le32(&ddr_pi_regs->denali_pi[80],
+ 0x3 << 24,
+ 0x2 << 24);
+ /* PI_74 PI_RDLVL_GATE_REQ:WR:16:1 */
+ /* PI_RDLVL_CS:RW:24:2 */
+ clrsetbits_le32(&ddr_pi_regs->denali_pi[74],
+ (0x1 << 16) | (0x3 << 24),
+ (0x1 << 16) | (i << 24));
+
+ while (1) {
+ /* PI_174 PI_INT_STATUS:RD:8:18 */
+ tmp = read32(&ddr_pi_regs->denali_pi[174]) >> 8;
+ /* check status obs
+ * PHY_43/171/299/427
+ * PHY_GTLVL_STATUS_OBS_x:16:8
+ */
+ obs_0 = read32(&ddr_publ_regs->denali_phy[43]);
+ obs_1 = read32(&ddr_publ_regs->denali_phy[171]);
+ obs_2 = read32(&ddr_publ_regs->denali_phy[299]);
+ obs_3 = read32(&ddr_publ_regs->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 -1;
+ }
+ /* clear interrupt,PI_175 PI_INT_ACK:WR:0:17 */
+ write32((&ddr_pi_regs->denali_pi[175]), 0x00003f7c);
+ }
+ }
+
+ /* read leveling(LPDDR4,LPDDR3,DDR3 support) */
+ if ((training_flag & PI_READ_LEVELING) == PI_READ_LEVELING) {
+ for (i = 0; i < rank; i++) {
+ /* PI_80 PI_RDLVL_EN:RW:16:2 */
+ clrsetbits_le32(&ddr_pi_regs->denali_pi[80],
+ 0x3 << 16,
+ 0x2 << 16);
+ /* PI_74 PI_RDLVL_REQ:WR:8:1,PI_RDLVL_CS:RW:24:2 */
+ clrsetbits_le32(&ddr_pi_regs->denali_pi[74],
+ (0x1 << 8) | (0x3 << 24),
+ (0x1 << 8) | (i << 24));
+ while (1) {
+ /* PI_174 PI_INT_STATUS:RD:8:18 */
+ tmp = read32(&ddr_pi_regs->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 -1;
+ }
+ /* clear interrupt,PI_175 PI_INT_ACK:WR:0:17 */
+ write32((&ddr_pi_regs->denali_pi[175]), 0x00003f7c);
+ }
+ }
+
+ /* wdq leveling(LPDDR4 support) */
+ if ((training_flag & PI_WDQ_LEVELING) == PI_WDQ_LEVELING) {
+ for (i = 0; i < rank; i++) {
+ /* disable PI_WDQLVL_VREF_EN before wdq leveling? */
+ /* PI_181 PI_WDQLVL_VREF_EN:RW:8:1 */
+ clrbits_le32(&ddr_pi_regs->denali_pi[181], 0x1 << 8);
+ /* PI_124 PI_WDQLVL_EN:RW:16:2 */
+ clrsetbits_le32(&ddr_pi_regs->denali_pi[124],
+ 0x3 << 16,
+ 0x2 << 16);
+ /* PI_121 PI_WDQLVL_REQ:WR:8:1,PI_WDQLVL_CS:RW:16:2 */
+ clrsetbits_le32(&ddr_pi_regs->denali_pi[121],
+ (0x1 << 8) | (0x3 << 16),
+ (0x1 << 8) | (i << 16));
+ while (1) {
+ /* PI_174 PI_INT_STATUS:RD:8:18 */
+ tmp = read32(&ddr_pi_regs->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 -1;
+ }
+ /* clear interrupt,PI_175 PI_INT_ACK:WR:0:17 */
+ write32((&ddr_pi_regs->denali_pi[175]), 0x00003f7c);
+ }
+ }
+
+ /* PHY_927 PHY_PAD_DQS_DRIVE RPULL offset_22 */
+ clrbits_le32(&ddr_publ_regs->denali_phy[927], (1 << 22));
+
+ return 0;
+}
+
+static void set_ddrconfig(const struct rk3399_sdram_params *sdram_params,
+ unsigned char channel, u32 ddrconfig)
+{
+ /* only need to set ddrconfig */
+ struct rk3399_msch_regs *ddr_msch_regs = rk3399_msch[channel];
+ 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;
+ }
+
+ write32(&ddr_msch_regs->ddrconf, ddrconfig | (ddrconfig << 6));
+ write32(&ddr_msch_regs->ddrsize, ((cs0_cap / 32) & 0xff) |
+ (((cs1_cap / 32) & 0xff) << 8));
+}
+
+static void dram_all_config(const struct rk3399_sdram_params *sdram_params)
+{
+ u32 sys_reg = 0;
+ unsigned int channel;
+ unsigned int use;
+ struct rk3399_msch_regs *ddr_msch_regs;
+ const struct rk3399_msch_timings *noc_timing;
+
+ sys_reg |= SYS_REG_ENC_DDRTYPE(sdram_params->dramtype);
+ sys_reg |= SYS_REG_ENC_NUM_CH(sdram_params->num_channels);
+ for (channel = 0, use = 0;
+ (use < sdram_params->num_channels) && (channel < 2); channel++) {
+ struct rk3399_ddr_pctl_regs *ddr_pctl_regs =
+ rk3399_ddr_pctl[channel];
+ const struct rk3399_sdram_channel *info =
+ &sdram_params->ch[channel];
+ ddr_msch_regs = rk3399_msch[channel];
+
+ if (sdram_params->ch[channel].col == 0)
+ continue;
+ use++;
+ sys_reg |= SYS_REG_ENC_ROW_3_4(info->row_3_4, channel);
+ sys_reg |= SYS_REG_ENC_CHINFO(channel);
+ sys_reg |= SYS_REG_ENC_RANK(info->rank, channel);
+ sys_reg |= SYS_REG_ENC_COL(info->col, channel);
+ sys_reg |= SYS_REG_ENC_BK(info->bk, channel);
+ sys_reg |= SYS_REG_ENC_CS0_ROW(info->cs0_row, channel);
+ sys_reg |= SYS_REG_ENC_CS1_ROW(info->cs1_row, channel);
+ sys_reg |= SYS_REG_ENC_BW(info->bw, channel);
+ sys_reg |= SYS_REG_ENC_DBW(info->dbw, channel);
+
+ noc_timing = &sdram_params->ch[channel].noc_timings;
+ write32(&ddr_msch_regs->ddrtiminga0.d32,
+ noc_timing->ddrtiminga0.d32);
+ write32(&ddr_msch_regs->ddrtimingb0.d32,
+ noc_timing->ddrtimingb0.d32);
+ write32(&ddr_msch_regs->ddrtimingc0.d32,
+ noc_timing->ddrtimingc0.d32);
+ write32(&ddr_msch_regs->devtodev0.d32,
+ noc_timing->devtodev0.d32);
+ write32(&ddr_msch_regs->ddrmode.d32,
+ noc_timing->ddrmode.d32);
+
+ /* rank 1 memory clock disable (dfi_dram_clk_disable = 1) */
+ if (sdram_params->ch[channel].rank == 1)
+ setbits_le32(&ddr_pctl_regs->denali_ctl[276], 1 << 17);
+ }
+
+ write32(&rk3399_pmugrf->os_reg2, sys_reg);
+ DDR_STRIDE(sdram_params->stride);
+
+ /* reboot hold register set */
+ write32(&pmucru_ptr->pmucru_rstnhold_con[1],
+ PRESET_SGRF_HOLD(0) | PRESET_GPIO0_HOLD(1) |
+ PRESET_GPIO1_HOLD(1));
+ clrsetbits_le32(&cru_ptr->glb_rst_con, 0x3, 0x3);
+}
+
+void sdram_init(const struct rk3399_sdram_params *sdram_params)
+{
+ int channel;
+
+ printk(BIOS_INFO, "Starting SDRAM initialization...\n");
+
+ if ((sdram_params->dramtype == DDR3
+ && sdram_params->ddr_freq > 800*MHz) ||
+ (sdram_params->dramtype == LPDDR3
+ && sdram_params->ddr_freq > 800*MHz) ||
+ (sdram_params->dramtype == LPDDR4
+ && sdram_params->ddr_freq > 800*MHz))
+ die("SDRAM frequency is to high!");
+
+ rkclk_configure_ddr(sdram_params->ddr_freq);
+
+ for (channel = 0; channel < 2; channel++) {
+ struct rk3399_ddr_publ_regs *ddr_publ_regs =
+ rk3399_ddr_publ[channel];
+
+ phy_dll_bypass_set(channel, ddr_publ_regs,
+ sdram_params->ddr_freq);
+
+ if (channel >= sdram_params->num_channels)
+ continue;
+
+ pctl_cfg(channel, sdram_params);
+
+ /* LPDDR2/LPDDR3 need to wait DAI complete, max 10us */
+ if (sdram_params->dramtype == LPDDR3)
+ udelay(10);
+
+ if (data_training(channel, sdram_params, PI_FULL_TARINING))
+ die("SDRAM initialization failed!");
+
+ set_ddrconfig(sdram_params, channel,
+ sdram_params->ch[channel].ddrconfig);
+ ddr_move_to_access_state(channel);
+ }
+ dram_all_config(sdram_params);
+
+ printk(BIOS_INFO, "Finish SDRAM initialization...\n");
+}
size_t sdram_size_mb(void)
{