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authorJagan Teki <jagan@edgeble.ai>2022-12-14 23:20:53 +0530
committerKever Yang <kever.yang@rock-chips.com>2023-01-16 18:01:10 +0800
commite869b3485cf56aa4d29d18b83b589afde1672814 (patch)
tree8cb2fac01c5a45325ed91e39ea76db8d8e644bc6 /drivers/ram
parenta70a62cd529b681650e980b7f143cb4d3d2824ba (diff)
ram: rockchip: Add rv1126 ddr driver support
Add DDR driver for Rockchip RV1126 SoC. Signed-off-by: YouMin Chen <cym@rock-chips.com> Signed-off-by: Jagan Teki <jagan@edgeble.ai> Reviewed-by: Kever Yang <kever.yang@rock-chips.com>
Diffstat (limited to 'drivers/ram')
-rw-r--r--drivers/ram/rockchip/Makefile1
-rw-r--r--drivers/ram/rockchip/sdram_rv1126.c3521
2 files changed, 3522 insertions, 0 deletions
diff --git a/drivers/ram/rockchip/Makefile b/drivers/ram/rockchip/Makefile
index 6d530c29af..98839ad6a6 100644
--- a/drivers/ram/rockchip/Makefile
+++ b/drivers/ram/rockchip/Makefile
@@ -14,4 +14,5 @@ obj-$(CONFIG_ROCKCHIP_RK3308) = sdram_rk3308.o
obj-$(CONFIG_ROCKCHIP_RK3328) = sdram_rk3328.o sdram_pctl_px30.o sdram_phy_px30.o
obj-$(CONFIG_ROCKCHIP_RK3399) += sdram_rk3399.o
obj-$(CONFIG_ROCKCHIP_RK3568) += sdram_rk3568.o
+obj-$(CONFIG_ROCKCHIP_RV1126) += sdram_rv1126.o sdram_pctl_px30.o
obj-$(CONFIG_ROCKCHIP_SDRAM_COMMON) += sdram_common.o
diff --git a/drivers/ram/rockchip/sdram_rv1126.c b/drivers/ram/rockchip/sdram_rv1126.c
new file mode 100644
index 0000000000..2a57b194ae
--- /dev/null
+++ b/drivers/ram/rockchip/sdram_rv1126.c
@@ -0,0 +1,3521 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * (C) Copyright 2020 Rockchip Electronics Co., Ltd.
+ * Copyright (c) 2022 Edgeble AI Technologies Pvt. Ltd.
+ */
+
+#include <common.h>
+#include <debug_uart.h>
+#include <dm.h>
+#include <ram.h>
+#include <syscon.h>
+#include <asm/io.h>
+#include <asm/arch-rockchip/clock.h>
+#include <asm/arch-rockchip/hardware.h>
+#include <asm/arch-rockchip/cru_rv1126.h>
+#include <asm/arch-rockchip/grf_rv1126.h>
+#include <asm/arch-rockchip/sdram_common.h>
+#include <asm/arch-rockchip/sdram_rv1126.h>
+#include <linux/delay.h>
+
+/* define training flag */
+#define CA_TRAINING (0x1 << 0)
+#define READ_GATE_TRAINING (0x1 << 1)
+#define WRITE_LEVELING (0x1 << 2)
+#define WRITE_TRAINING (0x1 << 3)
+#define READ_TRAINING (0x1 << 4)
+#define FULL_TRAINING (0xff)
+
+#define SKEW_RX_SIGNAL (0)
+#define SKEW_TX_SIGNAL (1)
+#define SKEW_CA_SIGNAL (2)
+
+#define DESKEW_MDF_ABS_VAL (0)
+#define DESKEW_MDF_DIFF_VAL (1)
+
+struct dram_info {
+#if defined(CONFIG_TPL_BUILD) || \
+ (!defined(CONFIG_TPL) && defined(CONFIG_SPL_BUILD))
+ void __iomem *pctl;
+ void __iomem *phy;
+ struct rv1126_cru *cru;
+ struct msch_regs *msch;
+ struct rv1126_ddrgrf *ddrgrf;
+ struct rv1126_grf *grf;
+ u32 sr_idle;
+ u32 pd_idle;
+#endif
+ struct ram_info info;
+ struct rv1126_pmugrf *pmugrf;
+};
+
+#if defined(CONFIG_TPL_BUILD) || \
+ (!defined(CONFIG_TPL) && defined(CONFIG_SPL_BUILD))
+
+#define GRF_BASE_ADDR 0xfe000000
+#define PMU_GRF_BASE_ADDR 0xfe020000
+#define DDR_GRF_BASE_ADDR 0xfe030000
+#define BUS_SGRF_BASE_ADDR 0xfe0a0000
+#define SERVER_MSCH_BASE_ADDR 0xfe800000
+#define CRU_BASE_ADDR 0xff490000
+#define DDR_PHY_BASE_ADDR 0xff4a0000
+#define UPCTL2_BASE_ADDR 0xffa50000
+
+#define SGRF_SOC_CON2 0x8
+#define SGRF_SOC_CON12 0x30
+#define SGRF_SOC_CON13 0x34
+
+struct dram_info dram_info;
+
+struct rv1126_sdram_params sdram_configs[] = {
+# include "sdram-rv1126-ddr3-detect-328.inc"
+# include "sdram-rv1126-ddr3-detect-396.inc"
+# include "sdram-rv1126-ddr3-detect-528.inc"
+# include "sdram-rv1126-ddr3-detect-664.inc"
+# include "sdram-rv1126-ddr3-detect-784.inc"
+# include "sdram-rv1126-ddr3-detect-924.inc"
+# include "sdram-rv1126-ddr3-detect-1056.inc"
+};
+
+u32 common_info[] = {
+#include "sdram-rv1126-loader_params.inc"
+};
+
+#if defined(CONFIG_CMD_DDR_TEST_TOOL)
+static struct rw_trn_result rw_trn_result;
+#endif
+
+static struct rv1126_fsp_param fsp_param[MAX_IDX];
+
+static u8 lp3_odt_value;
+
+static s8 wrlvl_result[2][4];
+
+/* DDR configuration 0-9 */
+u16 ddr_cfg_2_rbc[] = {
+ ((0 << 8) | (3 << 5) | (0 << 4) | (1 << 3) | 3), /* 0 */
+ ((1 << 8) | (3 << 5) | (0 << 4) | (1 << 3) | 2), /* 1 */
+ ((1 << 8) | (2 << 5) | (0 << 4) | (1 << 3) | 3), /* 2 */
+ ((1 << 8) | (3 << 5) | (0 << 4) | (1 << 3) | 1), /* 3 */
+ ((0 << 8) | (2 << 5) | (0 << 4) | (1 << 3) | 4), /* 4 */
+ ((0 << 8) | (3 << 5) | (1 << 4) | (1 << 3) | 1), /* 5 */
+ ((0 << 8) | (3 << 5) | (1 << 4) | (1 << 3) | 2), /* 6 */
+ ((0 << 8) | (2 << 5) | (1 << 4) | (1 << 3) | 3), /* 7 */
+ ((1 << 8) | (3 << 5) | (0 << 4) | (0 << 3) | 2), /* 8 */
+ ((1 << 8) | (2 << 5) | (0 << 4) | (1 << 3) | 2) /* 9 */
+};
+
+/* DDR configuration 10-21 */
+u8 ddr4_cfg_2_rbc[] = {
+ ((0 << 7) | (3 << 4) | (0 << 3) | (2 << 1) | 0), /* 10 */
+ ((1 << 7) | (2 << 4) | (0 << 3) | (2 << 1) | 0), /* 11 */
+ ((0 << 7) | (4 << 4) | (0 << 3) | (1 << 1) | 0), /* 12 */
+ ((1 << 7) | (3 << 4) | (0 << 3) | (1 << 1) | 0), /* 13 */
+ ((0 << 7) | (4 << 4) | (0 << 3) | (2 << 1) | 1), /* 14 */
+ ((1 << 7) | (3 << 4) | (0 << 3) | (2 << 1) | 1), /* 15 */
+ ((1 << 7) | (4 << 4) | (0 << 3) | (1 << 1) | 1), /* 16 */
+ ((0 << 7) | (2 << 4) | (1 << 3) | (2 << 1) | 0), /* 17 */
+ ((0 << 7) | (3 << 4) | (1 << 3) | (1 << 1) | 0), /* 18 */
+ ((0 << 7) | (3 << 4) | (1 << 3) | (2 << 1) | 1), /* 19 */
+ ((0 << 7) | (4 << 4) | (1 << 3) | (1 << 1) | 1), /* 20 */
+ ((1 << 7) | (4 << 4) | (0 << 3) | (0 << 1) | 0) /* 21 */
+};
+
+/* DDR configuration 22-28 */
+u16 ddr_cfg_2_rbc_p2[] = {
+ ((1 << 8) | (3 << 5) | (0 << 4) | (1 << 3) | 0), /* 22 */
+ ((0 << 8) | (4 << 5) | (0 << 4) | (1 << 3) | 2), /* 23 */
+ ((1 << 8) | (3 << 5) | (0 << 4) | (0 << 3) | 3), /* 24 */
+ ((0 << 8) | (3 << 5) | (1 << 4) | (0 << 3) | 3), /* 25 */
+ ((0 << 8) | (4 << 5) | (1 << 4) | (0 << 3) | 2), /* 26 */
+ ((1 << 8) | (4 << 5) | (0 << 4) | (0 << 3) | 2), /* 27 */
+ ((0 << 8) | (4 << 5) | (0 << 4) | (0 << 3) | 3) /* 28 */
+};
+
+u8 d4_rbc_2_d3_rbc[][2] = {
+ {10, 0},
+ {11, 2},
+ {12, 23},
+ {13, 1},
+ {14, 28},
+ {15, 24},
+ {16, 27},
+ {17, 7},
+ {18, 6},
+ {19, 25},
+ {20, 26},
+ {21, 3}
+};
+
+u32 addrmap[29][9] = {
+ {24, 0x00090909, 0x00000000, 0x00000000, 0x00001f00, 0x08080808,
+ 0x08080808, 0x00000f0f, 0x3f3f}, /* 0 */
+ {23, 0x00080808, 0x00000000, 0x00000000, 0x00001f1f, 0x07070707,
+ 0x07070707, 0x00000f0f, 0x3f3f}, /* 1 */
+ {23, 0x00090909, 0x00000000, 0x00000000, 0x00001f00, 0x08080808,
+ 0x0f080808, 0x00000f0f, 0x3f3f}, /* 2 */
+ {22, 0x00070707, 0x00000000, 0x1f000000, 0x00001f1f, 0x06060606,
+ 0x06060606, 0x00000f0f, 0x3f3f}, /* 3 */
+ {24, 0x000a0a0a, 0x00000000, 0x00000000, 0x00000000, 0x09090909,
+ 0x0f090909, 0x00000f0f, 0x3f3f}, /* 4 */
+ {6, 0x00070707, 0x00000000, 0x1f000000, 0x00001f1f, 0x07070707,
+ 0x07070707, 0x00000f0f, 0x3f3f}, /* 5 */
+ {7, 0x00080808, 0x00000000, 0x00000000, 0x00001f1f, 0x08080808,
+ 0x08080808, 0x00000f0f, 0x3f3f}, /* 6 */
+ {8, 0x00090909, 0x00000000, 0x00000000, 0x00001f00, 0x09090909,
+ 0x0f090909, 0x00000f0f, 0x3f3f}, /* 7 */
+ {22, 0x001f0808, 0x00000000, 0x00000000, 0x00001f1f, 0x06060606,
+ 0x06060606, 0x00000f0f, 0x3f3f}, /* 8 */
+ {23, 0x00080808, 0x00000000, 0x00000000, 0x00001f1f, 0x07070707,
+ 0x0f070707, 0x00000f0f, 0x3f3f}, /* 9 */
+
+ {24, 0x003f0a0a, 0x01010100, 0x01010101, 0x00001f1f, 0x08080808,
+ 0x08080808, 0x00000f0f, 0x0801}, /* 10 */
+ {23, 0x003f0a0a, 0x01010100, 0x01010101, 0x00001f1f, 0x08080808,
+ 0x0f080808, 0x00000f0f, 0x0801}, /* 11 */
+ {24, 0x003f0909, 0x00000007, 0x1f000000, 0x00001f1f, 0x07070707,
+ 0x07070707, 0x00000f07, 0x0700}, /* 12 */
+ {23, 0x003f0909, 0x00000007, 0x1f000000, 0x00001f1f, 0x07070707,
+ 0x07070707, 0x00000f0f, 0x0700}, /* 13 */
+ {24, 0x003f0909, 0x01010100, 0x01010101, 0x00001f1f, 0x07070707,
+ 0x07070707, 0x00000f07, 0x3f01}, /* 14 */
+ {23, 0x003f0909, 0x01010100, 0x01010101, 0x00001f1f, 0x07070707,
+ 0x07070707, 0x00000f0f, 0x3f01}, /* 15 */
+ {23, 0x003f0808, 0x00000007, 0x1f000000, 0x00001f1f, 0x06060606,
+ 0x06060606, 0x00000f06, 0x3f00}, /* 16 */
+ {8, 0x003f0a0a, 0x01010100, 0x01010101, 0x00001f1f, 0x09090909,
+ 0x0f090909, 0x00000f0f, 0x0801}, /* 17 */
+ {7, 0x003f0909, 0x00000007, 0x1f000000, 0x00001f1f, 0x08080808,
+ 0x08080808, 0x00000f0f, 0x0700}, /* 18 */
+ {7, 0x003f0909, 0x01010100, 0x01010101, 0x00001f1f, 0x08080808,
+ 0x08080808, 0x00000f0f, 0x3f01}, /* 19 */
+
+ {6, 0x003f0808, 0x00000007, 0x1f000000, 0x00001f1f, 0x07070707,
+ 0x07070707, 0x00000f07, 0x3f00}, /* 20 */
+ {23, 0x003f0909, 0x00000006, 0x1f1f0000, 0x00001f1f, 0x06060606,
+ 0x06060606, 0x00000f06, 0x0600}, /* 21 */
+ {21, 0x00060606, 0x00000000, 0x1f1f0000, 0x00001f1f, 0x05050505,
+ 0x05050505, 0x00000f0f, 0x3f3f}, /* 22 */
+
+ {24, 0x00080808, 0x00000000, 0x00000000, 0x00001f1f, 0x07070707,
+ 0x07070707, 0x00000f07, 0x3f3f}, /* 23 */
+ {23, 0x003f0909, 0x00000000, 0x00000000, 0x00001f00, 0x07070707,
+ 0x07070707, 0x00000f0f, 0x3f3f}, /* 24 */
+ {7, 0x003f0909, 0x00000000, 0x00000000, 0x00001f00, 0x08080808,
+ 0x08080808, 0x00000f0f, 0x3f3f}, /* 25 */
+ {6, 0x003f0808, 0x00000000, 0x00000000, 0x00001f1f, 0x07070707,
+ 0x07070707, 0x00000f07, 0x3f3f}, /* 26 */
+ {23, 0x003f0808, 0x00000000, 0x00000000, 0x00001f1f, 0x06060606,
+ 0x06060606, 0x00000f06, 0x3f3f}, /* 27 */
+ {24, 0x003f0909, 0x00000000, 0x00000000, 0x00001f00, 0x07070707,
+ 0x07070707, 0x00000f07, 0x3f3f} /* 28 */
+};
+
+static u8 dq_sel[22][3] = {
+ {0x0, 0x17, 0x22},
+ {0x1, 0x18, 0x23},
+ {0x2, 0x19, 0x24},
+ {0x3, 0x1a, 0x25},
+ {0x4, 0x1b, 0x26},
+ {0x5, 0x1c, 0x27},
+ {0x6, 0x1d, 0x28},
+ {0x7, 0x1e, 0x29},
+ {0x8, 0x16, 0x21},
+ {0x9, 0x1f, 0x2a},
+ {0xa, 0x20, 0x2b},
+ {0x10, 0x1, 0xc},
+ {0x11, 0x2, 0xd},
+ {0x12, 0x3, 0xe},
+ {0x13, 0x4, 0xf},
+ {0x14, 0x5, 0x10},
+ {0x15, 0x6, 0x11},
+ {0x16, 0x7, 0x12},
+ {0x17, 0x8, 0x13},
+ {0x18, 0x0, 0xb},
+ {0x19, 0x9, 0x14},
+ {0x1a, 0xa, 0x15}
+};
+
+static u16 grp_addr[4] = {
+ ADD_GROUP_CS0_A,
+ ADD_GROUP_CS0_B,
+ ADD_GROUP_CS1_A,
+ ADD_GROUP_CS1_B
+};
+
+static u8 wrlvl_result_offset[2][4] = {
+ {0xa0 + 0x26, 0xa0 + 0x27, 0xd0 + 0x26, 0xd0 + 0x27},
+ {0xa0 + 0x28, 0xa0 + 0x29, 0xd0 + 0x28, 0xd0 + 0x29},
+};
+
+static u16 dqs_dq_skew_adr[16] = {
+ 0x170 + 0, /* SKEW_UPDATE_RX_CS0_DQS0 */
+ 0x170 + 0xb, /* SKEW_UPDATE_RX_CS0_DQS1 */
+ 0x1d0 + 0, /* SKEW_UPDATE_RX_CS0_DQS2 */
+ 0x1d0 + 0xb, /* SKEW_UPDATE_RX_CS0_DQS3 */
+ 0x1a0 + 0, /* SKEW_UPDATE_RX_CS1_DQS0 */
+ 0x1a0 + 0xb, /* SKEW_UPDATE_RX_CS1_DQS1 */
+ 0x200 + 0, /* SKEW_UPDATE_RX_CS1_DQS2 */
+ 0x200 + 0xb, /* SKEW_UPDATE_RX_CS1_DQS3 */
+ 0x170 + 0x16, /* SKEW_UPDATE_TX_CS0_DQS0 */
+ 0x170 + 0x21, /* SKEW_UPDATE_TX_CS0_DQS1 */
+ 0x1d0 + 0x16, /* SKEW_UPDATE_TX_CS0_DQS2 */
+ 0x1d0 + 0x21, /* SKEW_UPDATE_TX_CS0_DQS3 */
+ 0x1a0 + 0x16, /* SKEW_UPDATE_TX_CS1_DQS0 */
+ 0x1a0 + 0x21, /* SKEW_UPDATE_TX_CS1_DQS1 */
+ 0x200 + 0x16, /* SKEW_UPDATE_TX_CS1_DQS2 */
+ 0x200 + 0x21, /* SKEW_UPDATE_TX_CS1_DQS3 */
+};
+
+static void rkclk_ddr_reset(struct dram_info *dram,
+ u32 ctl_srstn, u32 ctl_psrstn,
+ u32 phy_srstn, u32 phy_psrstn)
+{
+ writel(UPCTL2_SRSTN_REQ(ctl_srstn) | UPCTL2_PSRSTN_REQ(ctl_psrstn) |
+ UPCTL2_ASRSTN_REQ(ctl_srstn),
+ BUS_SGRF_BASE_ADDR + SGRF_SOC_CON13);
+
+ writel(DDRPHY_SRSTN_REQ(phy_srstn) | DDRPHY_PSRSTN_REQ(phy_psrstn),
+ &dram->cru->softrst_con[12]);
+}
+
+static void rkclk_set_dpll(struct dram_info *dram, unsigned int hz)
+{
+ unsigned int refdiv, postdiv1, postdiv2, fbdiv;
+ int delay = 1000;
+ u32 mhz = hz / MHz;
+ struct global_info *gbl_info;
+ struct sdram_head_info_index_v2 *index =
+ (struct sdram_head_info_index_v2 *)common_info;
+ u32 ssmod_info;
+ u32 dsmpd = 1;
+
+ gbl_info = (struct global_info *)((void *)common_info +
+ index->global_index.offset * 4);
+ ssmod_info = gbl_info->info_2t;
+ refdiv = 1;
+ if (mhz <= 100) {
+ postdiv1 = 6;
+ postdiv2 = 4;
+ } else if (mhz <= 150) {
+ postdiv1 = 4;
+ postdiv2 = 4;
+ } else if (mhz <= 200) {
+ postdiv1 = 6;
+ postdiv2 = 2;
+ } else if (mhz <= 300) {
+ postdiv1 = 4;
+ postdiv2 = 2;
+ } else if (mhz <= 400) {
+ postdiv1 = 6;
+ postdiv2 = 1;
+ } else {
+ postdiv1 = 4;
+ postdiv2 = 1;
+ }
+ fbdiv = (mhz * refdiv * postdiv1 * postdiv2) / 24;
+
+ writel(DPLL_MODE(CLOCK_FROM_XIN_OSC), &dram->cru->mode);
+
+ writel(0x1f000000, &dram->cru->clksel_con[64]);
+ writel(POSTDIV1(postdiv1) | FBDIV(fbdiv), &dram->cru->pll[1].con0);
+ /* enable ssmod */
+ if (PLL_SSMOD_SPREAD(ssmod_info)) {
+ dsmpd = 0;
+ clrsetbits_le32(&dram->cru->pll[1].con2,
+ 0xffffff << 0, 0x0 << 0);
+ writel(SSMOD_SPREAD(PLL_SSMOD_SPREAD(ssmod_info)) |
+ SSMOD_DIVVAL(PLL_SSMOD_DIV(ssmod_info)) |
+ SSMOD_DOWNSPREAD(PLL_SSMOD_DOWNSPREAD(ssmod_info)) |
+ SSMOD_RESET(0) |
+ SSMOD_DIS_SSCG(0) |
+ SSMOD_BP(0),
+ &dram->cru->pll[1].con3);
+ }
+ writel(DSMPD(dsmpd) | POSTDIV2(postdiv2) | REFDIV(refdiv),
+ &dram->cru->pll[1].con1);
+
+ while (delay > 0) {
+ udelay(1);
+ if (LOCK(readl(&dram->cru->pll[1].con1)))
+ break;
+ delay--;
+ }
+
+ writel(DPLL_MODE(CLOCK_FROM_PLL), &dram->cru->mode);
+}
+
+static void rkclk_configure_ddr(struct dram_info *dram,
+ struct rv1126_sdram_params *sdram_params)
+{
+ /* for inno ddr phy need freq / 2 */
+ rkclk_set_dpll(dram, sdram_params->base.ddr_freq * MHZ / 2);
+}
+
+static unsigned int
+ calculate_ddrconfig(struct rv1126_sdram_params *sdram_params)
+{
+ struct sdram_cap_info *cap_info = &sdram_params->ch.cap_info;
+ u32 cs, bw, die_bw, col, row, bank;
+ u32 cs1_row;
+ u32 i, tmp;
+ u32 ddrconf = -1;
+ u32 row_3_4;
+
+ cs = cap_info->rank;
+ bw = cap_info->bw;
+ die_bw = cap_info->dbw;
+ col = cap_info->col;
+ row = cap_info->cs0_row;
+ cs1_row = cap_info->cs1_row;
+ bank = cap_info->bk;
+ row_3_4 = cap_info->row_3_4;
+
+ if (sdram_params->base.dramtype == DDR4) {
+ if (cs == 2 && row == cs1_row && !row_3_4) {
+ tmp = ((row - 13) << 4) | (1 << 3) | (bw << 1) |
+ die_bw;
+ for (i = 17; i < 21; i++) {
+ if (((tmp & 0xf) ==
+ (ddr4_cfg_2_rbc[i - 10] & 0xf)) &&
+ ((tmp & 0x70) <=
+ (ddr4_cfg_2_rbc[i - 10] & 0x70))) {
+ ddrconf = i;
+ goto out;
+ }
+ }
+ }
+
+ tmp = ((cs - 1) << 7) | ((row - 13) << 4) | (bw << 1) | die_bw;
+ for (i = 10; i < 21; i++) {
+ if (((tmp & 0xf) == (ddr4_cfg_2_rbc[i - 10] & 0xf)) &&
+ ((tmp & 0x70) <= (ddr4_cfg_2_rbc[i - 10] & 0x70)) &&
+ ((tmp & 0x80) <= (ddr4_cfg_2_rbc[i - 10] & 0x80))) {
+ ddrconf = i;
+ goto out;
+ }
+ }
+ } else {
+ if (cs == 2 && row == cs1_row && bank == 3) {
+ for (i = 5; i < 8; i++) {
+ if (((bw + col - 10) == (ddr_cfg_2_rbc[i] &
+ 0x7)) &&
+ ((row - 13) << 5) <= (ddr_cfg_2_rbc[i] &
+ (0x7 << 5))) {
+ ddrconf = i;
+ goto out;
+ }
+ }
+ }
+
+ tmp = ((cs - 1) << 8) | ((row - 13) << 5) |
+ ((bw + col - 10) << 0);
+ if (bank == 3)
+ tmp |= (1 << 3);
+
+ for (i = 0; i < 9; i++)
+ if (((tmp & 0x1f) == (ddr_cfg_2_rbc[i] & 0x1f)) &&
+ ((tmp & (7 << 5)) <=
+ (ddr_cfg_2_rbc[i] & (7 << 5))) &&
+ ((tmp & (1 << 8)) <=
+ (ddr_cfg_2_rbc[i] & (1 << 8)))) {
+ ddrconf = i;
+ goto out;
+ }
+
+ for (i = 0; i < 7; i++)
+ if (((tmp & 0x1f) == (ddr_cfg_2_rbc_p2[i] & 0x1f)) &&
+ ((tmp & (7 << 5)) <=
+ (ddr_cfg_2_rbc_p2[i] & (7 << 5))) &&
+ ((tmp & (1 << 8)) <=
+ (ddr_cfg_2_rbc_p2[i] & (1 << 8)))) {
+ ddrconf = i + 22;
+ goto out;
+ }
+
+ if (cs == 1 && bank == 3 && row <= 17 &&
+ (col + bw) == 12)
+ ddrconf = 23;
+ }
+
+out:
+ if (ddrconf > 28)
+ printascii("calculate ddrconfig error\n");
+
+ if (sdram_params->base.dramtype == DDR4) {
+ for (i = 0; i < ARRAY_SIZE(d4_rbc_2_d3_rbc) ; i++) {
+ if (ddrconf == d4_rbc_2_d3_rbc[i][0]) {
+ if (ddrconf == 21 && row > 16)
+ printascii("warn:ddrconf21 row > 16\n");
+ else
+ ddrconf = d4_rbc_2_d3_rbc[i][1];
+ break;
+ }
+ }
+ }
+
+ return ddrconf;
+}
+
+static void sw_set_req(struct dram_info *dram)
+{
+ void __iomem *pctl_base = dram->pctl;
+
+ /* clear sw_done=0 */
+ writel(PCTL2_SW_DONE_CLEAR, pctl_base + DDR_PCTL2_SWCTL);
+}
+
+static void sw_set_ack(struct dram_info *dram)
+{
+ void __iomem *pctl_base = dram->pctl;
+
+ /* set sw_done=1 */
+ writel(PCTL2_SW_DONE, pctl_base + DDR_PCTL2_SWCTL);
+ while (1) {
+ /* wait programming done */
+ if (readl(pctl_base + DDR_PCTL2_SWSTAT) &
+ PCTL2_SW_DONE_ACK)
+ break;
+ }
+}
+
+static void set_ctl_address_map(struct dram_info *dram,
+ struct rv1126_sdram_params *sdram_params)
+{
+ struct sdram_cap_info *cap_info = &sdram_params->ch.cap_info;
+ void __iomem *pctl_base = dram->pctl;
+ u32 ddrconf = cap_info->ddrconfig;
+ u32 i, row;
+
+ row = cap_info->cs0_row;
+ if (sdram_params->base.dramtype == DDR4) {
+ for (i = 0; i < ARRAY_SIZE(d4_rbc_2_d3_rbc) ; i++) {
+ if (ddrconf == d4_rbc_2_d3_rbc[i][1]) {
+ ddrconf = d4_rbc_2_d3_rbc[i][0];
+ break;
+ }
+ }
+ }
+
+ if (ddrconf >= ARRAY_SIZE(addrmap)) {
+ printascii("set ctl address map fail\n");
+ return;
+ }
+
+ sdram_copy_to_reg((u32 *)(pctl_base + DDR_PCTL2_ADDRMAP0),
+ &addrmap[ddrconf][0], ARRAY_SIZE(addrmap[ddrconf]) * 4);
+
+ /* unused row set to 0xf */
+ for (i = 17; i >= row; i--)
+ setbits_le32(pctl_base + DDR_PCTL2_ADDRMAP6 +
+ ((i - 12) * 8 / 32) * 4,
+ 0xf << ((i - 12) * 8 % 32));
+
+ if (sdram_params->base.dramtype == LPDDR3 && cap_info->row_3_4)
+ setbits_le32(pctl_base + DDR_PCTL2_ADDRMAP6, 1 << 31);
+ if (sdram_params->base.dramtype == DDR4 && cap_info->bw == 0x1)
+ setbits_le32(pctl_base + DDR_PCTL2_PCCFG, 1 << 8);
+
+ if (cap_info->rank == 1)
+ clrsetbits_le32(pctl_base + DDR_PCTL2_ADDRMAP0, 0x1f, 0x1f);
+}
+
+static void phy_pll_set(struct dram_info *dram, u32 freq, u32 wait)
+{
+ void __iomem *phy_base = dram->phy;
+ u32 fbdiv, prediv, postdiv, postdiv_en;
+
+ if (wait) {
+ clrbits_le32(PHY_REG(phy_base, 0x53), PHY_PD_DISB);
+ while (!(readl(PHY_REG(phy_base, 0x90)) & PHY_PLL_LOCK))
+ continue;
+ } else {
+ freq /= MHz;
+ prediv = 1;
+ if (freq <= 200) {
+ fbdiv = 16;
+ postdiv = 2;
+ postdiv_en = 1;
+ } else if (freq <= 456) {
+ fbdiv = 8;
+ postdiv = 1;
+ postdiv_en = 1;
+ } else {
+ fbdiv = 4;
+ postdiv = 0;
+ postdiv_en = 0;
+ }
+ writel(fbdiv & 0xff, PHY_REG(phy_base, 0x50));
+ clrsetbits_le32(PHY_REG(phy_base, 0x51), PHY_PBDIV_BIT9_MASK,
+ (fbdiv >> 8) & 1);
+ clrsetbits_le32(PHY_REG(phy_base, 0x51), PHY_POSTDIV_EN_MASK,
+ postdiv_en << PHY_POSTDIV_EN_SHIFT);
+
+ clrsetbits_le32(PHY_REG(phy_base, 0x52),
+ PHY_PREDIV_MASK << PHY_PREDIV_SHIFT, prediv);
+ clrsetbits_le32(PHY_REG(phy_base, 0x53),
+ PHY_POSTDIV_MASK << PHY_POSTDIV_SHIFT,
+ postdiv << PHY_POSTDIV_SHIFT);
+ }
+}
+
+static const u16 d3_phy_drv_2_ohm[][2] = {
+ {PHY_DDR3_RON_455ohm, 455},
+ {PHY_DDR3_RON_230ohm, 230},
+ {PHY_DDR3_RON_153ohm, 153},
+ {PHY_DDR3_RON_115ohm, 115},
+ {PHY_DDR3_RON_91ohm, 91},
+ {PHY_DDR3_RON_76ohm, 76},
+ {PHY_DDR3_RON_65ohm, 65},
+ {PHY_DDR3_RON_57ohm, 57},
+ {PHY_DDR3_RON_51ohm, 51},
+ {PHY_DDR3_RON_46ohm, 46},
+ {PHY_DDR3_RON_41ohm, 41},
+ {PHY_DDR3_RON_38ohm, 38},
+ {PHY_DDR3_RON_35ohm, 35},
+ {PHY_DDR3_RON_32ohm, 32},
+ {PHY_DDR3_RON_30ohm, 30},
+ {PHY_DDR3_RON_28ohm, 28},
+ {PHY_DDR3_RON_27ohm, 27},
+ {PHY_DDR3_RON_25ohm, 25},
+ {PHY_DDR3_RON_24ohm, 24},
+ {PHY_DDR3_RON_23ohm, 23},
+ {PHY_DDR3_RON_22ohm, 22},
+ {PHY_DDR3_RON_21ohm, 21},
+ {PHY_DDR3_RON_20ohm, 20}
+};
+
+static u16 d3_phy_odt_2_ohm[][2] = {
+ {PHY_DDR3_RTT_DISABLE, 0},
+ {PHY_DDR3_RTT_561ohm, 561},
+ {PHY_DDR3_RTT_282ohm, 282},
+ {PHY_DDR3_RTT_188ohm, 188},
+ {PHY_DDR3_RTT_141ohm, 141},
+ {PHY_DDR3_RTT_113ohm, 113},
+ {PHY_DDR3_RTT_94ohm, 94},
+ {PHY_DDR3_RTT_81ohm, 81},
+ {PHY_DDR3_RTT_72ohm, 72},
+ {PHY_DDR3_RTT_64ohm, 64},
+ {PHY_DDR3_RTT_58ohm, 58},
+ {PHY_DDR3_RTT_52ohm, 52},
+ {PHY_DDR3_RTT_48ohm, 48},
+ {PHY_DDR3_RTT_44ohm, 44},
+ {PHY_DDR3_RTT_41ohm, 41},
+ {PHY_DDR3_RTT_38ohm, 38},
+ {PHY_DDR3_RTT_37ohm, 37},
+ {PHY_DDR3_RTT_34ohm, 34},
+ {PHY_DDR3_RTT_32ohm, 32},
+ {PHY_DDR3_RTT_31ohm, 31},
+ {PHY_DDR3_RTT_29ohm, 29},
+ {PHY_DDR3_RTT_28ohm, 28},
+ {PHY_DDR3_RTT_27ohm, 27},
+ {PHY_DDR3_RTT_25ohm, 25}
+};
+
+static u16 d4lp3_phy_drv_2_ohm[][2] = {
+ {PHY_DDR4_LPDDR3_RON_482ohm, 482},
+ {PHY_DDR4_LPDDR3_RON_244ohm, 244},
+ {PHY_DDR4_LPDDR3_RON_162ohm, 162},
+ {PHY_DDR4_LPDDR3_RON_122ohm, 122},
+ {PHY_DDR4_LPDDR3_RON_97ohm, 97},
+ {PHY_DDR4_LPDDR3_RON_81ohm, 81},
+ {PHY_DDR4_LPDDR3_RON_69ohm, 69},
+ {PHY_DDR4_LPDDR3_RON_61ohm, 61},
+ {PHY_DDR4_LPDDR3_RON_54ohm, 54},
+ {PHY_DDR4_LPDDR3_RON_48ohm, 48},
+ {PHY_DDR4_LPDDR3_RON_44ohm, 44},
+ {PHY_DDR4_LPDDR3_RON_40ohm, 40},
+ {PHY_DDR4_LPDDR3_RON_37ohm, 37},
+ {PHY_DDR4_LPDDR3_RON_34ohm, 34},
+ {PHY_DDR4_LPDDR3_RON_32ohm, 32},
+ {PHY_DDR4_LPDDR3_RON_30ohm, 30},
+ {PHY_DDR4_LPDDR3_RON_28ohm, 28},
+ {PHY_DDR4_LPDDR3_RON_27ohm, 27},
+ {PHY_DDR4_LPDDR3_RON_25ohm, 25},
+ {PHY_DDR4_LPDDR3_RON_24ohm, 24},
+ {PHY_DDR4_LPDDR3_RON_23ohm, 23},
+ {PHY_DDR4_LPDDR3_RON_22ohm, 22},
+ {PHY_DDR4_LPDDR3_RON_21ohm, 21}
+};
+
+static u16 d4lp3_phy_odt_2_ohm[][2] = {
+ {PHY_DDR4_LPDDR3_RTT_DISABLE, 0},
+ {PHY_DDR4_LPDDR3_RTT_586ohm, 586},
+ {PHY_DDR4_LPDDR3_RTT_294ohm, 294},
+ {PHY_DDR4_LPDDR3_RTT_196ohm, 196},
+ {PHY_DDR4_LPDDR3_RTT_148ohm, 148},
+ {PHY_DDR4_LPDDR3_RTT_118ohm, 118},
+ {PHY_DDR4_LPDDR3_RTT_99ohm, 99},
+ {PHY_DDR4_LPDDR3_RTT_85ohm, 58},
+ {PHY_DDR4_LPDDR3_RTT_76ohm, 76},
+ {PHY_DDR4_LPDDR3_RTT_67ohm, 67},
+ {PHY_DDR4_LPDDR3_RTT_60ohm, 60},
+ {PHY_DDR4_LPDDR3_RTT_55ohm, 55},
+ {PHY_DDR4_LPDDR3_RTT_50ohm, 50},
+ {PHY_DDR4_LPDDR3_RTT_46ohm, 46},
+ {PHY_DDR4_LPDDR3_RTT_43ohm, 43},
+ {PHY_DDR4_LPDDR3_RTT_40ohm, 40},
+ {PHY_DDR4_LPDDR3_RTT_38ohm, 38},
+ {PHY_DDR4_LPDDR3_RTT_36ohm, 36},
+ {PHY_DDR4_LPDDR3_RTT_34ohm, 34},
+ {PHY_DDR4_LPDDR3_RTT_32ohm, 32},
+ {PHY_DDR4_LPDDR3_RTT_31ohm, 31},
+ {PHY_DDR4_LPDDR3_RTT_29ohm, 29},
+ {PHY_DDR4_LPDDR3_RTT_28ohm, 28},
+ {PHY_DDR4_LPDDR3_RTT_27ohm, 27}
+};
+
+static u16 lp4_phy_drv_2_ohm[][2] = {
+ {PHY_LPDDR4_RON_501ohm, 501},
+ {PHY_LPDDR4_RON_253ohm, 253},
+ {PHY_LPDDR4_RON_168ohm, 168},
+ {PHY_LPDDR4_RON_126ohm, 126},
+ {PHY_LPDDR4_RON_101ohm, 101},
+ {PHY_LPDDR4_RON_84ohm, 84},
+ {PHY_LPDDR4_RON_72ohm, 72},
+ {PHY_LPDDR4_RON_63ohm, 63},
+ {PHY_LPDDR4_RON_56ohm, 56},
+ {PHY_LPDDR4_RON_50ohm, 50},
+ {PHY_LPDDR4_RON_46ohm, 46},
+ {PHY_LPDDR4_RON_42ohm, 42},
+ {PHY_LPDDR4_RON_38ohm, 38},
+ {PHY_LPDDR4_RON_36ohm, 36},
+ {PHY_LPDDR4_RON_33ohm, 33},
+ {PHY_LPDDR4_RON_31ohm, 31},
+ {PHY_LPDDR4_RON_29ohm, 29},
+ {PHY_LPDDR4_RON_28ohm, 28},
+ {PHY_LPDDR4_RON_26ohm, 26},
+ {PHY_LPDDR4_RON_25ohm, 25},
+ {PHY_LPDDR4_RON_24ohm, 24},
+ {PHY_LPDDR4_RON_23ohm, 23},
+ {PHY_LPDDR4_RON_22ohm, 22}
+};
+
+static u16 lp4_phy_odt_2_ohm[][2] = {
+ {PHY_LPDDR4_RTT_DISABLE, 0},
+ {PHY_LPDDR4_RTT_604ohm, 604},
+ {PHY_LPDDR4_RTT_303ohm, 303},
+ {PHY_LPDDR4_RTT_202ohm, 202},
+ {PHY_LPDDR4_RTT_152ohm, 152},
+ {PHY_LPDDR4_RTT_122ohm, 122},
+ {PHY_LPDDR4_RTT_101ohm, 101},
+ {PHY_LPDDR4_RTT_87ohm, 87},
+ {PHY_LPDDR4_RTT_78ohm, 78},
+ {PHY_LPDDR4_RTT_69ohm, 69},
+ {PHY_LPDDR4_RTT_62ohm, 62},
+ {PHY_LPDDR4_RTT_56ohm, 56},
+ {PHY_LPDDR4_RTT_52ohm, 52},
+ {PHY_LPDDR4_RTT_48ohm, 48},
+ {PHY_LPDDR4_RTT_44ohm, 44},
+ {PHY_LPDDR4_RTT_41ohm, 41},
+ {PHY_LPDDR4_RTT_39ohm, 39},
+ {PHY_LPDDR4_RTT_37ohm, 37},
+ {PHY_LPDDR4_RTT_35ohm, 35},
+ {PHY_LPDDR4_RTT_33ohm, 33},
+ {PHY_LPDDR4_RTT_32ohm, 32},
+ {PHY_LPDDR4_RTT_30ohm, 30},
+ {PHY_LPDDR4_RTT_29ohm, 29},
+ {PHY_LPDDR4_RTT_27ohm, 27}
+};
+
+static u32 lp4_odt_calc(u32 odt_ohm)
+{
+ u32 odt;
+
+ if (odt_ohm == 0)
+ odt = LPDDR4_DQODT_DIS;
+ else if (odt_ohm <= 40)
+ odt = LPDDR4_DQODT_40;
+ else if (odt_ohm <= 48)
+ odt = LPDDR4_DQODT_48;
+ else if (odt_ohm <= 60)
+ odt = LPDDR4_DQODT_60;
+ else if (odt_ohm <= 80)
+ odt = LPDDR4_DQODT_80;
+ else if (odt_ohm <= 120)
+ odt = LPDDR4_DQODT_120;
+ else
+ odt = LPDDR4_DQODT_240;
+
+ return odt;
+}
+
+static void *get_ddr_drv_odt_info(u32 dramtype)
+{
+ struct sdram_head_info_index_v2 *index =
+ (struct sdram_head_info_index_v2 *)common_info;
+ void *ddr_info = 0;
+
+ if (dramtype == DDR4)
+ ddr_info = (void *)common_info + index->ddr4_index.offset * 4;
+ else if (dramtype == DDR3)
+ ddr_info = (void *)common_info + index->ddr3_index.offset * 4;
+ else if (dramtype == LPDDR3)
+ ddr_info = (void *)common_info + index->lp3_index.offset * 4;
+ else if (dramtype == LPDDR4)
+ ddr_info = (void *)common_info + index->lp4_index.offset * 4;
+ else
+ printascii("unsupported dram type\n");
+ return ddr_info;
+}
+
+static void set_lp4_vref(struct dram_info *dram, struct lp4_info *lp4_info,
+ u32 freq_mhz, u32 dst_fsp, u32 dramtype)
+{
+ void __iomem *pctl_base = dram->pctl;
+ u32 ca_vref, dq_vref;
+
+ if (freq_mhz <= LP4_CA_ODT_EN_FREQ(lp4_info->ca_odten_freq))
+ ca_vref = LP4_CA_VREF(lp4_info->vref_when_odtoff);
+ else
+ ca_vref = LP4_CA_VREF(lp4_info->vref_when_odten);
+
+ if (freq_mhz <= LP4_DQ_ODT_EN_FREQ(lp4_info->dq_odten_freq))
+ dq_vref = LP4_DQ_VREF(lp4_info->vref_when_odtoff);
+ else
+ dq_vref = LP4_DQ_VREF(lp4_info->vref_when_odten);
+
+ if (dramtype == LPDDR4) {
+ if (ca_vref < 100)
+ ca_vref = 100;
+ if (ca_vref > 420)
+ ca_vref = 420;
+
+ if (ca_vref <= 300)
+ ca_vref = (0 << 6) | (ca_vref - 100) / 4;
+ else
+ ca_vref = (1 << 6) | (ca_vref - 220) / 4;
+
+ if (dq_vref < 100)
+ dq_vref = 100;
+ if (dq_vref > 420)
+ dq_vref = 420;
+
+ if (dq_vref <= 300)
+ dq_vref = (0 << 6) | (dq_vref - 100) / 4;
+ else
+ dq_vref = (1 << 6) | (dq_vref - 220) / 4;
+ } else {
+ ca_vref = ca_vref * 11 / 6;
+ if (ca_vref < 150)
+ ca_vref = 150;
+ if (ca_vref > 629)
+ ca_vref = 629;
+
+ if (ca_vref <= 449)
+ ca_vref = (0 << 6) | (ca_vref - 150) / 4;
+ else
+ ca_vref = (1 << 6) | (ca_vref - 329) / 4;
+
+ if (dq_vref < 150)
+ dq_vref = 150;
+ if (dq_vref > 629)
+ dq_vref = 629;
+
+ if (dq_vref <= 449)
+ dq_vref = (0 << 6) | (dq_vref - 150) / 6;
+ else
+ dq_vref = (1 << 6) | (dq_vref - 329) / 6;
+ }
+ sw_set_req(dram);
+ clrsetbits_le32(pctl_base + UMCTL2_REGS_FREQ(dst_fsp) +
+ DDR_PCTL2_INIT6,
+ PCTL2_MR_MASK << PCTL2_LPDDR4_MR12_SHIFT,
+ ca_vref << PCTL2_LPDDR4_MR12_SHIFT);
+
+ clrsetbits_le32(pctl_base + UMCTL2_REGS_FREQ(dst_fsp) +
+ DDR_PCTL2_INIT7,
+ PCTL2_MR_MASK << PCTL2_LPDDR4_MR14_SHIFT,
+ dq_vref << PCTL2_LPDDR4_MR14_SHIFT);
+ sw_set_ack(dram);
+}
+
+static void set_ds_odt(struct dram_info *dram,
+ struct rv1126_sdram_params *sdram_params, u32 dst_fsp)
+{
+ void __iomem *phy_base = dram->phy;
+ void __iomem *pctl_base = dram->pctl;
+ u32 dramtype = sdram_params->base.dramtype;
+ struct ddr2_3_4_lp2_3_info *ddr_info;
+ struct lp4_info *lp4_info;
+ u32 i, j, tmp;
+ const u16 (*p_drv)[2];
+ const u16 (*p_odt)[2];
+ u32 drv_info, sr_info;
+ u32 phy_dq_drv_ohm, phy_clk_drv_ohm, phy_ca_drv_ohm, dram_drv_ohm;
+ u32 phy_odt_ohm, dram_odt_ohm;
+ u32 lp4_pu_cal, phy_lp4_drv_pd_en;
+ u32 phy_odt_up_en, phy_odt_dn_en;
+ u32 sr_dq, sr_clk;
+ u32 freq = sdram_params->base.ddr_freq;
+ u32 mr1_mr3, mr11, mr22, vref_out, vref_inner;
+ u32 phy_clk_drv = 0, phy_odt = 0, phy_ca_drv = 0, dram_caodt_ohm = 0;
+ u32 phy_dq_drv = 0;
+ u32 phy_odt_up = 0, phy_odt_dn = 0;
+
+ ddr_info = get_ddr_drv_odt_info(dramtype);
+ lp4_info = (void *)ddr_info;
+
+ if (!ddr_info)
+ return;
+
+ /* dram odt en freq control phy drv, dram odt and phy sr */
+ if (freq <= DRAMODT_EN_FREQ(ddr_info->odten_freq)) {
+ drv_info = ddr_info->drv_when_odtoff;
+ dram_odt_ohm = 0;
+ sr_info = ddr_info->sr_when_odtoff;
+ phy_lp4_drv_pd_en =
+ PHY_LP4_DRV_PULLDOWN_EN_ODTOFF(lp4_info->odt_info);
+ } else {
+ drv_info = ddr_info->drv_when_odten;
+ dram_odt_ohm = ODT_INFO_DRAM_ODT(ddr_info->odt_info);
+ sr_info = ddr_info->sr_when_odten;
+ phy_lp4_drv_pd_en =
+ PHY_LP4_DRV_PULLDOWN_EN_ODTEN(lp4_info->odt_info);
+ }
+ phy_dq_drv_ohm =
+ DRV_INFO_PHY_DQ_DRV(drv_info);
+ phy_clk_drv_ohm =
+ DRV_INFO_PHY_CLK_DRV(drv_info);
+ phy_ca_drv_ohm =
+ DRV_INFO_PHY_CA_DRV(drv_info);
+
+ sr_dq = DQ_SR_INFO(sr_info);
+ sr_clk = CLK_SR_INFO(sr_info);
+
+ /* phy odt en freq control dram drv and phy odt */
+ if (freq <= PHYODT_EN_FREQ(ddr_info->odten_freq)) {
+ dram_drv_ohm = DRV_INFO_DRAM_DQ_DRV(ddr_info->drv_when_odtoff);
+ lp4_pu_cal = LP4_DRV_PU_CAL_ODTOFF(lp4_info->odt_info);
+ phy_odt_ohm = 0;
+ phy_odt_up_en = 0;
+ phy_odt_dn_en = 0;
+ } else {
+ dram_drv_ohm =
+ DRV_INFO_DRAM_DQ_DRV(ddr_info->drv_when_odten);
+ phy_odt_ohm = ODT_INFO_PHY_ODT(ddr_info->odt_info);
+ phy_odt_up_en =
+ ODT_INFO_PULLUP_EN(ddr_info->odt_info);
+ phy_odt_dn_en =
+ ODT_INFO_PULLDOWN_EN(ddr_info->odt_info);
+ lp4_pu_cal = LP4_DRV_PU_CAL_ODTEN(lp4_info->odt_info);
+ }
+
+ if (dramtype == LPDDR4) {
+ if (phy_odt_ohm) {
+ phy_odt_up_en = 0;
+ phy_odt_dn_en = 1;
+ }
+ if (freq <= LP4_CA_ODT_EN_FREQ(lp4_info->ca_odten_freq))
+ dram_caodt_ohm = 0;
+ else
+ dram_caodt_ohm =
+ ODT_INFO_LP4_CA_ODT(lp4_info->odt_info);
+ }
+
+ if (dramtype == DDR3) {
+ p_drv = d3_phy_drv_2_ohm;
+ p_odt = d3_phy_odt_2_ohm;
+ } else if (dramtype == LPDDR4) {
+ p_drv = lp4_phy_drv_2_ohm;
+ p_odt = lp4_phy_odt_2_ohm;
+ } else {
+ p_drv = d4lp3_phy_drv_2_ohm;
+ p_odt = d4lp3_phy_odt_2_ohm;
+ }
+
+ for (i = ARRAY_SIZE(d3_phy_drv_2_ohm) - 1; ; i--) {
+ if (phy_dq_drv_ohm <= *(*(p_drv + i) + 1)) {
+ phy_dq_drv = **(p_drv + i);
+ break;
+ }
+ if (i == 0)
+ break;
+ }
+ for (i = ARRAY_SIZE(d3_phy_drv_2_ohm) - 1; ; i--) {
+ if (phy_clk_drv_ohm <= *(*(p_drv + i) + 1)) {
+ phy_clk_drv = **(p_drv + i);
+ break;
+ }
+ if (i == 0)
+ break;
+ }
+ for (i = ARRAY_SIZE(d3_phy_drv_2_ohm) - 1; ; i--) {
+ if (phy_ca_drv_ohm <= *(*(p_drv + i) + 1)) {
+ phy_ca_drv = **(p_drv + i);
+ break;
+ }
+ if (i == 0)
+ break;
+ }
+ if (!phy_odt_ohm)
+ phy_odt = 0;
+ else
+ for (i = ARRAY_SIZE(d4lp3_phy_odt_2_ohm) - 1; ; i--) {
+ if (phy_odt_ohm <= *(*(p_odt + i) + 1)) {
+ phy_odt = **(p_odt + i);
+ break;
+ }
+ if (i == 0)
+ break;
+ }
+
+ if (dramtype != LPDDR4) {
+ if (!phy_odt_ohm || (phy_odt_up_en && phy_odt_dn_en))
+ vref_inner = 0x80;
+ else if (phy_odt_up_en)
+ vref_inner = (2 * dram_drv_ohm + phy_odt_ohm) * 128 /
+ (dram_drv_ohm + phy_odt_ohm);
+ else
+ vref_inner = phy_odt_ohm * 128 /
+ (phy_odt_ohm + dram_drv_ohm);
+
+ if (dramtype != DDR3 && dram_odt_ohm)
+ vref_out = (2 * phy_dq_drv_ohm + dram_odt_ohm) * 128 /
+ (phy_dq_drv_ohm + dram_odt_ohm);
+ else
+ vref_out = 0x80;
+ } else {
+ /* for lp4 and lp4x*/
+ if (phy_odt_ohm)
+ vref_inner =
+ (PHY_LP4_DQ_VREF(lp4_info->vref_when_odten) *
+ 256) / 1000;
+ else
+ vref_inner =
+ (PHY_LP4_DQ_VREF(lp4_info->vref_when_odtoff) *
+ 256) / 1000;
+
+ vref_out = 0x80;
+ }
+
+ /* default ZQCALIB bypass mode */
+ clrsetbits_le32(PHY_REG(phy_base, 0x100), 0x1f, phy_ca_drv);
+ clrsetbits_le32(PHY_REG(phy_base, 0x101), 0x1f, phy_ca_drv);
+ clrsetbits_le32(PHY_REG(phy_base, 0x102), 0x1f, phy_clk_drv);
+ clrsetbits_le32(PHY_REG(phy_base, 0x103), 0x1f, phy_clk_drv);
+ if (dramtype == LPDDR4) {
+ clrsetbits_le32(PHY_REG(phy_base, 0x107), 0x1f, phy_clk_drv);
+ clrsetbits_le32(PHY_REG(phy_base, 0x108), 0x1f, phy_clk_drv);
+ } else {
+ clrsetbits_le32(PHY_REG(phy_base, 0x107), 0x1f, phy_ca_drv);
+ clrsetbits_le32(PHY_REG(phy_base, 0x108), 0x1f, phy_ca_drv);
+ }
+ /* clk / cmd slew rate */
+ clrsetbits_le32(PHY_REG(phy_base, 0x106), 0x1f, sr_clk);
+
+ phy_lp4_drv_pd_en = (~phy_lp4_drv_pd_en) & 1;
+ if (phy_odt_up_en)
+ phy_odt_up = phy_odt;
+ if (phy_odt_dn_en)
+ phy_odt_dn = phy_odt;
+
+ for (i = 0; i < 4; i++) {
+ j = 0x110 + i * 0x10;
+ clrsetbits_le32(PHY_REG(phy_base, j + 1), 0x1f, phy_odt_up);
+ clrsetbits_le32(PHY_REG(phy_base, j), 0x1f, phy_odt_dn);
+ clrsetbits_le32(PHY_REG(phy_base, j + 2), 0x1f, phy_dq_drv);
+ clrsetbits_le32(PHY_REG(phy_base, j + 3), 0x1f, phy_dq_drv);
+ writel(vref_inner, PHY_REG(phy_base, 0x118 + i * 0x10));
+
+ clrsetbits_le32(PHY_REG(phy_base, 0x114 + i * 0x10),
+ 1 << 3, phy_lp4_drv_pd_en << 3);
+ if (dramtype == LPDDR4)
+ clrbits_le32(PHY_REG(phy_base, 0x114 + i * 0x10), BIT(5));
+ /* dq slew rate */
+ clrsetbits_le32(PHY_REG(phy_base, 0x117 + i * 0x10),
+ 0x1f, sr_dq);
+ }
+
+ /* reg_rx_vref_value_update */
+ setbits_le32(PHY_REG(phy_base, 0x71), 1 << 5);
+ clrbits_le32(PHY_REG(phy_base, 0x71), 1 << 5);
+
+ /* RAM VREF */
+ writel(vref_out, PHY_REG(phy_base, 0x105));
+ if (dramtype == LPDDR3)
+ udelay(100);
+
+ if (dramtype == LPDDR4)
+ set_lp4_vref(dram, lp4_info, freq, dst_fsp, dramtype);
+
+ if (dramtype == DDR3 || dramtype == DDR4) {
+ mr1_mr3 = readl(pctl_base + UMCTL2_REGS_FREQ(dst_fsp) +
+ DDR_PCTL2_INIT3);
+ mr1_mr3 = mr1_mr3 >> PCTL2_DDR34_MR1_SHIFT & PCTL2_MR_MASK;
+ } else {
+ mr1_mr3 = readl(pctl_base + UMCTL2_REGS_FREQ(dst_fsp) +
+ DDR_PCTL2_INIT4);
+ mr1_mr3 = mr1_mr3 >> PCTL2_LPDDR234_MR3_SHIFT & PCTL2_MR_MASK;
+ }
+
+ if (dramtype == DDR3) {
+ mr1_mr3 &= ~(DDR3_DS_MASK | DDR3_RTT_NOM_MASK);
+ if (dram_drv_ohm == 34)
+ mr1_mr3 |= DDR3_DS_34;
+
+ if (dram_odt_ohm == 0)
+ mr1_mr3 |= DDR3_RTT_NOM_DIS;
+ else if (dram_odt_ohm <= 40)
+ mr1_mr3 |= DDR3_RTT_NOM_40;
+ else if (dram_odt_ohm <= 60)
+ mr1_mr3 |= DDR3_RTT_NOM_60;
+ else
+ mr1_mr3 |= DDR3_RTT_NOM_120;
+
+ } else if (dramtype == DDR4) {
+ mr1_mr3 &= ~(DDR4_DS_MASK | DDR4_RTT_NOM_MASK);
+ if (dram_drv_ohm == 48)
+ mr1_mr3 |= DDR4_DS_48;
+
+ if (dram_odt_ohm == 0)
+ mr1_mr3 |= DDR4_RTT_NOM_DIS;
+ else if (dram_odt_ohm <= 34)
+ mr1_mr3 |= DDR4_RTT_NOM_34;
+ else if (dram_odt_ohm <= 40)
+ mr1_mr3 |= DDR4_RTT_NOM_40;
+ else if (dram_odt_ohm <= 48)
+ mr1_mr3 |= DDR4_RTT_NOM_48;
+ else if (dram_odt_ohm <= 60)
+ mr1_mr3 |= DDR4_RTT_NOM_60;
+ else
+ mr1_mr3 |= DDR4_RTT_NOM_120;
+
+ } else if (dramtype == LPDDR3) {
+ if (dram_drv_ohm <= 34)
+ mr1_mr3 |= LPDDR3_DS_34;
+ else if (dram_drv_ohm <= 40)
+ mr1_mr3 |= LPDDR3_DS_40;
+ else if (dram_drv_ohm <= 48)
+ mr1_mr3 |= LPDDR3_DS_48;
+ else if (dram_drv_ohm <= 60)
+ mr1_mr3 |= LPDDR3_DS_60;
+ else if (dram_drv_ohm <= 80)
+ mr1_mr3 |= LPDDR3_DS_80;
+
+ if (dram_odt_ohm == 0)
+ lp3_odt_value = LPDDR3_ODT_DIS;
+ else if (dram_odt_ohm <= 60)
+ lp3_odt_value = LPDDR3_ODT_60;
+ else if (dram_odt_ohm <= 120)
+ lp3_odt_value = LPDDR3_ODT_120;
+ else
+ lp3_odt_value = LPDDR3_ODT_240;
+ } else {/* for lpddr4 and lpddr4x */
+ /* MR3 for lp4 PU-CAL and PDDS */
+ mr1_mr3 &= ~(LPDDR4_PDDS_MASK | LPDDR4_PU_CAL_MASK);
+ mr1_mr3 |= lp4_pu_cal;
+
+ tmp = lp4_odt_calc(dram_drv_ohm);
+ if (!tmp)
+ tmp = LPDDR4_PDDS_240;
+ mr1_mr3 |= (tmp << LPDDR4_PDDS_SHIFT);
+
+ /* MR11 for lp4 ca odt, dq odt set */
+ mr11 = readl(pctl_base + UMCTL2_REGS_FREQ(dst_fsp) +
+ DDR_PCTL2_INIT6);
+ mr11 = mr11 >> PCTL2_LPDDR4_MR11_SHIFT & PCTL2_MR_MASK;
+
+ mr11 &= ~(LPDDR4_DQODT_MASK | LPDDR4_CAODT_MASK);
+
+ tmp = lp4_odt_calc(dram_odt_ohm);
+ mr11 |= (tmp << LPDDR4_DQODT_SHIFT);
+
+ tmp = lp4_odt_calc(dram_caodt_ohm);
+ mr11 |= (tmp << LPDDR4_CAODT_SHIFT);
+ sw_set_req(dram);
+ clrsetbits_le32(pctl_base + UMCTL2_REGS_FREQ(dst_fsp) +
+ DDR_PCTL2_INIT6,
+ PCTL2_MR_MASK << PCTL2_LPDDR4_MR11_SHIFT,
+ mr11 << PCTL2_LPDDR4_MR11_SHIFT);
+ sw_set_ack(dram);
+
+ /* MR22 for soc odt/odt-ck/odt-cs/odt-ca */
+ mr22 = readl(pctl_base + UMCTL2_REGS_FREQ(dst_fsp) +
+ DDR_PCTL2_INIT7);
+ mr22 = mr22 >> PCTL2_LPDDR4_MR22_SHIFT & PCTL2_MR_MASK;
+ mr22 &= ~LPDDR4_SOC_ODT_MASK;
+
+ tmp = lp4_odt_calc(phy_odt_ohm);
+ mr22 |= tmp;
+ mr22 = mr22 |
+ (LP4_ODTE_CK_EN(lp4_info->cs_drv_ca_odt_info) <<
+ LPDDR4_ODTE_CK_SHIFT) |
+ (LP4_ODTE_CS_EN(lp4_info->cs_drv_ca_odt_info) <<
+ LPDDR4_ODTE_CS_SHIFT) |
+ (LP4_ODTD_CA_EN(lp4_info->cs_drv_ca_odt_info) <<
+ LPDDR4_ODTD_CA_SHIFT);
+
+ sw_set_req(dram);
+ clrsetbits_le32(pctl_base + UMCTL2_REGS_FREQ(dst_fsp) +
+ DDR_PCTL2_INIT7,
+ PCTL2_MR_MASK << PCTL2_LPDDR4_MR22_SHIFT,
+ mr22 << PCTL2_LPDDR4_MR22_SHIFT);
+ sw_set_ack(dram);
+ }
+
+ if (dramtype == DDR4 || dramtype == DDR3) {
+ sw_set_req(dram);
+ clrsetbits_le32(pctl_base + UMCTL2_REGS_FREQ(dst_fsp) +
+ DDR_PCTL2_INIT3,
+ PCTL2_MR_MASK << PCTL2_DDR34_MR1_SHIFT,
+ mr1_mr3 << PCTL2_DDR34_MR1_SHIFT);
+ sw_set_ack(dram);
+ } else {
+ sw_set_req(dram);
+ clrsetbits_le32(pctl_base + UMCTL2_REGS_FREQ(dst_fsp) +
+ DDR_PCTL2_INIT4,
+ PCTL2_MR_MASK << PCTL2_LPDDR234_MR3_SHIFT,
+ mr1_mr3 << PCTL2_LPDDR234_MR3_SHIFT);
+ sw_set_ack(dram);
+ }
+}
+
+static int sdram_cmd_dq_path_remap(struct dram_info *dram,
+ struct rv1126_sdram_params *sdram_params)
+{
+ void __iomem *phy_base = dram->phy;
+ u32 dramtype = sdram_params->base.dramtype;
+ struct sdram_head_info_index_v2 *index =
+ (struct sdram_head_info_index_v2 *)common_info;
+ struct dq_map_info *map_info;
+
+ map_info = (struct dq_map_info *)((void *)common_info +
+ index->dq_map_index.offset * 4);
+
+ if (dramtype <= LPDDR4)
+ writel((map_info->byte_map[dramtype / 4] >>
+ ((dramtype % 4) * 8)) & 0xff,
+ PHY_REG(phy_base, 0x4f));
+
+ return 0;
+}
+
+static void phy_cfg(struct dram_info *dram,
+ struct rv1126_sdram_params *sdram_params)
+{
+ struct sdram_cap_info *cap_info = &sdram_params->ch.cap_info;
+ void __iomem *phy_base = dram->phy;
+ u32 i, dq_map, tmp;
+ u32 byte1 = 0, byte0 = 0;
+
+ sdram_cmd_dq_path_remap(dram, sdram_params);
+
+ phy_pll_set(dram, sdram_params->base.ddr_freq * MHZ, 0);
+ for (i = 0; sdram_params->phy_regs.phy[i][0] != 0xFFFFFFFF; i++) {
+ writel(sdram_params->phy_regs.phy[i][1],
+ phy_base + sdram_params->phy_regs.phy[i][0]);
+ }
+
+ clrbits_le32(PHY_REG(phy_base, 0x62), BIT(5));
+ dq_map = readl(PHY_REG(phy_base, 0x4f));
+ for (i = 0; i < 4; i++) {
+ if (((dq_map >> (i * 2)) & 0x3) == 0)
+ byte0 = i;
+ if (((dq_map >> (i * 2)) & 0x3) == 1)
+ byte1 = i;
+ }
+
+ tmp = readl(PHY_REG(phy_base, 0xf)) & (~PHY_DQ_WIDTH_MASK);
+ if (cap_info->bw == 2)
+ tmp |= 0xf;
+ else if (cap_info->bw == 1)
+ tmp |= ((1 << byte0) | (1 << byte1));
+ else
+ tmp |= (1 << byte0);
+
+ writel(tmp, PHY_REG(phy_base, 0xf));
+
+ /* lpddr4 odt control by phy, enable cs0 odt */
+ if (sdram_params->base.dramtype == LPDDR4)
+ clrsetbits_le32(PHY_REG(phy_base, 0x20), 0x7 << 4,
+ (1 << 6) | (1 << 4));
+ /* for ca training ca vref choose range1 */
+ setbits_le32(PHY_REG(phy_base, 0x1e), BIT(6));
+ setbits_le32(PHY_REG(phy_base, 0x1f), BIT(6));
+ /* for wr training PHY_0x7c[5], choose range0 */
+ clrbits_le32(PHY_REG(phy_base, 0x7c), BIT(5));
+}
+
+static int update_refresh_reg(struct dram_info *dram)
+{
+ void __iomem *pctl_base = dram->pctl;
+ u32 ret;
+
+ ret = readl(pctl_base + DDR_PCTL2_RFSHCTL3) ^ (1 << 1);
+ writel(ret, pctl_base + DDR_PCTL2_RFSHCTL3);
+
+ return 0;
+}
+
+/*
+ * rank = 1: cs0
+ * rank = 2: cs1
+ */
+int read_mr(struct dram_info *dram, u32 rank, u32 mr_num, u32 dramtype)
+{
+ u32 ret;
+ u32 i, temp;
+ u32 dqmap;
+
+ void __iomem *pctl_base = dram->pctl;
+ struct sdram_head_info_index_v2 *index =
+ (struct sdram_head_info_index_v2 *)common_info;
+ struct dq_map_info *map_info;
+
+ map_info = (struct dq_map_info *)((void *)common_info +
+ index->dq_map_index.offset * 4);
+
+ if (dramtype == LPDDR2)
+ dqmap = map_info->lp2_dq0_7_map;
+ else
+ dqmap = map_info->lp3_dq0_7_map;
+
+ pctl_read_mr(pctl_base, rank, mr_num);
+
+ ret = (readl(&dram->ddrgrf->ddr_grf_status[0]) & 0xff);
+
+ if (dramtype != LPDDR4) {
+ temp = 0;
+ for (i = 0; i < 8; i++) {
+ temp = temp | (((ret >> i) & 0x1) <<
+ ((dqmap >> (i * 4)) & 0xf));
+ }
+ } else {
+ temp = (readl(&dram->ddrgrf->ddr_grf_status[1]) & 0xff);
+ }
+
+ return temp;
+}
+
+/* before call this function autorefresh should be disabled */
+void send_a_refresh(struct dram_info *dram)
+{
+ void __iomem *pctl_base = dram->pctl;
+
+ while (readl(pctl_base + DDR_PCTL2_DBGSTAT) & 0x3)
+ continue;
+ writel(0x3, pctl_base + DDR_PCTL2_DBGCMD);
+}
+
+static void enter_sr(struct dram_info *dram, u32 en)
+{
+ void __iomem *pctl_base = dram->pctl;
+
+ if (en) {
+ setbits_le32(pctl_base + DDR_PCTL2_PWRCTL, PCTL2_SELFREF_SW);
+ while (1) {
+ if (((readl(pctl_base + DDR_PCTL2_STAT) &
+ PCTL2_SELFREF_TYPE_MASK) ==
+ PCTL2_SELFREF_TYPE_SR_NOT_AUTO) &&
+ ((readl(pctl_base + DDR_PCTL2_STAT) &
+ PCTL2_OPERATING_MODE_MASK) ==
+ PCTL2_OPERATING_MODE_SR))
+ break;
+ }
+ } else {
+ clrbits_le32(pctl_base + DDR_PCTL2_PWRCTL, PCTL2_SELFREF_SW);
+ while ((readl(pctl_base + DDR_PCTL2_STAT) &
+ PCTL2_OPERATING_MODE_MASK) == PCTL2_OPERATING_MODE_SR)
+ continue;
+ }
+}
+
+void record_dq_prebit(struct dram_info *dram)
+{
+ u32 group, i, tmp;
+ void __iomem *phy_base = dram->phy;
+
+ for (group = 0; group < 4; group++) {
+ for (i = 0; i < ARRAY_SIZE(dq_sel); i++) {
+ /* l_loop_invdelaysel */
+ writel(dq_sel[i][0], PHY_REG(phy_base,
+ grp_addr[group] + 0x2c));
+ tmp = readl(PHY_REG(phy_base, grp_addr[group] + 0x2e));
+ writel(tmp, PHY_REG(phy_base,
+ grp_addr[group] + dq_sel[i][1]));
+
+ /* r_loop_invdelaysel */
+ writel(dq_sel[i][0], PHY_REG(phy_base,
+ grp_addr[group] + 0x2d));
+ tmp = readl(PHY_REG(phy_base, grp_addr[group] + 0x2f));
+ writel(tmp, PHY_REG(phy_base,
+ grp_addr[group] + dq_sel[i][2]));
+ }
+ }
+}
+
+static void update_dq_rx_prebit(struct dram_info *dram)
+{
+ void __iomem *phy_base = dram->phy;
+
+ clrsetbits_le32(PHY_REG(phy_base, 0x70), BIT(1) | BIT(6) | BIT(4),
+ BIT(4));
+ udelay(1);
+ clrbits_le32(PHY_REG(phy_base, 0x70), BIT(4));
+}
+
+static void update_dq_tx_prebit(struct dram_info *dram)
+{
+ void __iomem *phy_base = dram->phy;
+
+ clrbits_le32(PHY_REG(phy_base, 0x7a), BIT(1));
+ setbits_le32(PHY_REG(phy_base, 0x2), BIT(3));
+ setbits_le32(PHY_REG(phy_base, 0xc), BIT(6));
+ udelay(1);
+ clrbits_le32(PHY_REG(phy_base, 0xc), BIT(6));
+}
+
+static void update_ca_prebit(struct dram_info *dram)
+{
+ void __iomem *phy_base = dram->phy;
+
+ clrbits_le32(PHY_REG(phy_base, 0x25), BIT(2));
+ setbits_le32(PHY_REG(phy_base, 0x22), BIT(6));
+ udelay(1);
+ clrbits_le32(PHY_REG(phy_base, 0x22), BIT(6));
+}
+
+/*
+ * dir: 0: de-skew = delta_*
+ * 1: de-skew = reg val - delta_*
+ * delta_dir: value for differential signal: clk/
+ * delta_sig: value for single signal: ca/cmd
+ */
+static void modify_ca_deskew(struct dram_info *dram, u32 dir, int delta_dif,
+ int delta_sig, u32 cs, u32 dramtype)
+{
+ void __iomem *phy_base = dram->phy;
+ u32 i, cs_en, tmp;
+ u32 dfi_lp_stat = 0;
+
+ if (cs == 0)
+ cs_en = 1;
+ else if (cs == 2)
+ cs_en = 2;
+ else
+ cs_en = 3;
+
+ if (dramtype == LPDDR4 &&
+ ((readl(PHY_REG(phy_base, 0x60)) & BIT(5)) == 0)) {
+ dfi_lp_stat = 1;
+ setbits_le32(PHY_REG(phy_base, 0x60), BIT(5));
+ }
+ enter_sr(dram, 1);
+
+ for (i = 0; i < 0x20; i++) {
+ if (dir == DESKEW_MDF_ABS_VAL)
+ tmp = delta_sig;
+ else
+ tmp = readl(PHY_REG(phy_base, 0x150 + i)) +
+ delta_sig;
+ writel(tmp, PHY_REG(phy_base, 0x150 + i));
+ }
+
+ if (dir == DESKEW_MDF_ABS_VAL)
+ tmp = delta_dif;
+ else
+ tmp = readl(PHY_REG(phy_base, 0x150 + 0x17)) -
+ delta_sig + delta_dif;
+ writel(tmp, PHY_REG(phy_base, 0x150 + 0x17));
+ writel(tmp, PHY_REG(phy_base, 0x150 + 0x18));
+ if (dramtype == LPDDR4) {
+ writel(tmp, PHY_REG(phy_base, 0x150 + 0x4));
+ writel(tmp, PHY_REG(phy_base, 0x150 + 0xa));
+
+ clrbits_le32(PHY_REG(phy_base, 0x10), cs_en << 6);
+ update_ca_prebit(dram);
+ }
+ enter_sr(dram, 0);
+
+ if (dfi_lp_stat)
+ clrbits_le32(PHY_REG(phy_base, 0x60), BIT(5));
+}
+
+static u32 get_min_value(struct dram_info *dram, u32 signal, u32 rank)
+{
+ u32 i, j, offset = 0;
+ u32 min = 0x3f;
+ void __iomem *phy_base = dram->phy;
+ u32 byte_en;
+
+ if (signal == SKEW_TX_SIGNAL)
+ offset = 8;
+
+ if (signal == SKEW_CA_SIGNAL) {
+ for (i = 0; i < 0x20; i++)
+ min = MIN(min, readl(PHY_REG(phy_base, 0x150 + i)));
+ } else {
+ byte_en = readl(PHY_REG(phy_base, 0xf)) & 0xf;
+ for (j = offset; j < offset + rank * 4; j++) {
+ if (!((byte_en >> (j % 4)) & 1))
+ continue;
+ for (i = 0; i < 11; i++)
+ min = MIN(min,
+ readl(PHY_REG(phy_base,
+ dqs_dq_skew_adr[j] +
+ i)));
+ }
+ }
+
+ return min;
+}
+
+static u32 low_power_update(struct dram_info *dram, u32 en)
+{
+ void __iomem *pctl_base = dram->pctl;
+ u32 lp_stat = 0;
+
+ if (en) {
+ setbits_le32(pctl_base + DDR_PCTL2_PWRCTL, en & 0xf);
+ } else {
+ lp_stat = readl(pctl_base + DDR_PCTL2_PWRCTL) & 0xf;
+ clrbits_le32(pctl_base + DDR_PCTL2_PWRCTL, 0xf);
+ }
+
+ return lp_stat;
+}
+
+/*
+ * signal:
+ * dir: 0: de-skew = delta_*
+ * 1: de-skew = reg val - delta_*
+ * delta_dir: value for differential signal: dqs
+ * delta_sig: value for single signal: dq/dm
+ */
+static void modify_dq_deskew(struct dram_info *dram, u32 signal, u32 dir,
+ int delta_dif, int delta_sig, u32 rank)
+{
+ void __iomem *phy_base = dram->phy;
+ u32 i, j, tmp, offset;
+ u32 byte_en;
+
+ byte_en = readl(PHY_REG(phy_base, 0xf)) & 0xf;
+
+ if (signal == SKEW_RX_SIGNAL)
+ offset = 0;
+ else
+ offset = 8;
+
+ for (j = offset; j < (offset + rank * 4); j++) {
+ if (!((byte_en >> (j % 4)) & 1))
+ continue;
+ for (i = 0; i < 0x9; i++) {
+ if (dir == DESKEW_MDF_ABS_VAL)
+ tmp = delta_sig;
+ else
+ tmp = delta_sig + readl(PHY_REG(phy_base,
+ dqs_dq_skew_adr[j] +
+ i));
+ writel(tmp, PHY_REG(phy_base, dqs_dq_skew_adr[j] + i));
+ }
+ if (dir == DESKEW_MDF_ABS_VAL)
+ tmp = delta_dif;
+ else
+ tmp = delta_dif + readl(PHY_REG(phy_base,
+ dqs_dq_skew_adr[j] + 9));
+ writel(tmp, PHY_REG(phy_base, dqs_dq_skew_adr[j] + 9));
+ writel(tmp, PHY_REG(phy_base, dqs_dq_skew_adr[j] + 0xa));
+ }
+ if (signal == SKEW_RX_SIGNAL)
+ update_dq_rx_prebit(dram);
+ else
+ update_dq_tx_prebit(dram);
+}
+
+static int data_training_rg(struct dram_info *dram, u32 cs, u32 dramtype)
+{
+ void __iomem *phy_base = dram->phy;
+ u32 ret;
+ u32 dis_auto_zq = 0;
+ u32 odt_val_up, odt_val_dn;
+ u32 i, j;
+
+ odt_val_dn = readl(PHY_REG(phy_base, 0x110));
+ odt_val_up = readl(PHY_REG(phy_base, 0x111));
+
+ if (dramtype != LPDDR4) {
+ for (i = 0; i < 4; i++) {
+ j = 0x110 + i * 0x10;
+ writel(PHY_DDR4_LPDDR3_RTT_294ohm,
+ PHY_REG(phy_base, j));
+ writel(PHY_DDR4_LPDDR3_RTT_DISABLE,
+ PHY_REG(phy_base, j + 0x1));
+ }
+ }
+ dis_auto_zq = pctl_dis_zqcs_aref(dram->pctl);
+ /* use normal read mode for data training */
+ clrbits_le32(PHY_REG(phy_base, 0xc), BIT(1));
+
+ if (dramtype == DDR4)
+ setbits_le32(PHY_REG(phy_base, 0xc), BIT(1));
+
+ /* choose training cs */
+ clrsetbits_le32(PHY_REG(phy_base, 2), 0x33, (0x20 >> cs));
+ /* enable gate training */
+ clrsetbits_le32(PHY_REG(phy_base, 2), 0x33, (0x20 >> cs) | 1);
+ udelay(50);
+ ret = readl(PHY_REG(phy_base, 0x91));
+ /* disable gate training */
+ clrsetbits_le32(PHY_REG(phy_base, 2), 0x33, (0x20 >> cs) | 0);
+ clrbits_le32(PHY_REG(phy_base, 2), 0x30);
+ pctl_rest_zqcs_aref(dram->pctl, dis_auto_zq);
+
+ ret = (ret & 0x2f) ^ (readl(PHY_REG(phy_base, 0xf)) & 0xf);
+
+ if (dramtype != LPDDR4) {
+ for (i = 0; i < 4; i++) {
+ j = 0x110 + i * 0x10;
+ writel(odt_val_dn, PHY_REG(phy_base, j));
+ writel(odt_val_up, PHY_REG(phy_base, j + 0x1));
+ }
+ }
+ return ret;
+}
+
+static int data_training_wl(struct dram_info *dram, u32 cs, u32 dramtype,
+ u32 rank)
+{
+ void __iomem *pctl_base = dram->pctl;
+ void __iomem *phy_base = dram->phy;
+ u32 dis_auto_zq = 0;
+ u32 tmp;
+ u32 cur_fsp;
+ u32 timeout_us = 1000;
+
+ dis_auto_zq = pctl_dis_zqcs_aref(dram->pctl);
+
+ clrbits_le32(PHY_REG(phy_base, 0x7a), 0x1);
+
+ cur_fsp = readl(pctl_base + DDR_PCTL2_MSTR2) & 0x3;
+ tmp = readl(pctl_base + UMCTL2_REGS_FREQ(cur_fsp) + DDR_PCTL2_INIT3) &
+ 0xffff;
+ writel(tmp & 0xff, PHY_REG(phy_base, 0x3));
+
+ /* disable another cs's output */
+ if ((dramtype == DDR3 || dramtype == DDR4) && rank == 2)
+ pctl_write_mr(dram->pctl, (cs + 1) & 1, 1, tmp | (1 << 12),
+ dramtype);
+ if (dramtype == DDR3 || dramtype == DDR4)
+ writel(0x40 | ((tmp >> 8) & 0x3f), PHY_REG(phy_base, 0x4));
+ else
+ writel(0x80 | ((tmp >> 8) & 0x3f), PHY_REG(phy_base, 0x4));
+
+ /* choose cs */
+ clrsetbits_le32(PHY_REG(phy_base, 2), (0x3 << 6) | (0x3 << 2),
+ ((0x2 >> cs) << 6) | (0 << 2));
+ /* enable write leveling */
+ clrsetbits_le32(PHY_REG(phy_base, 2), (0x3 << 6) | (0x3 << 2),
+ ((0x2 >> cs) << 6) | (1 << 2));
+
+ while (1) {
+ if ((readl(PHY_REG(phy_base, 0x92)) & 0xf) ==
+ (readl(PHY_REG(phy_base, 0xf)) & 0xf))
+ break;
+
+ udelay(1);
+ if (timeout_us-- == 0) {
+ printascii("error: write leveling timeout\n");
+ while (1)
+ ;
+ }
+ }
+
+ /* disable write leveling */
+ clrsetbits_le32(PHY_REG(phy_base, 2), (0x3 << 6) | (0x3 << 2),
+ ((0x2 >> cs) << 6) | (0 << 2));
+ clrsetbits_le32(PHY_REG(phy_base, 2), 0x3 << 6, 0 << 6);
+
+ /* enable another cs's output */
+ if ((dramtype == DDR3 || dramtype == DDR4) && rank == 2)
+ pctl_write_mr(dram->pctl, (cs + 1) & 1, 1, tmp & ~(1 << 12),
+ dramtype);
+
+ pctl_rest_zqcs_aref(dram->pctl, dis_auto_zq);
+
+ return 0;
+}
+
+char pattern[32] = {
+ 0xaa, 0x55, 0xaa, 0x55, 0x55, 0xaa, 0x55, 0xaa,
+ 0x55, 0xaa, 0x55, 0xaa, 0xaa, 0x55, 0xaa, 0x55,
+ 0x55, 0x55, 0xaa, 0xaa, 0xaa, 0xaa, 0x55, 0x55,
+ 0xaa, 0xaa, 0x55, 0x55, 0x55, 0x55, 0xaa, 0xaa
+};
+
+static int data_training_rd(struct dram_info *dram, u32 cs, u32 dramtype,
+ u32 mhz)
+{
+ void __iomem *pctl_base = dram->pctl;
+ void __iomem *phy_base = dram->phy;
+ u32 trefi_1x, trfc_1x;
+ u32 dis_auto_zq = 0;
+ u32 timeout_us = 1000;
+ u32 dqs_default;
+ u32 cur_fsp;
+ u32 vref_inner;
+ u32 i;
+ struct sdram_head_info_index_v2 *index =
+ (struct sdram_head_info_index_v2 *)common_info;
+ struct dq_map_info *map_info;
+
+ vref_inner = readl(PHY_REG(phy_base, 0x128)) & 0xff;
+ if (dramtype == DDR3 && vref_inner == 0x80) {
+ for (i = 0; i < 4; i++)
+ writel(vref_inner - 0xa,
+ PHY_REG(phy_base, 0x118 + i * 0x10));
+
+ /* reg_rx_vref_value_update */
+ setbits_le32(PHY_REG(phy_base, 0x71), 1 << 5);
+ clrbits_le32(PHY_REG(phy_base, 0x71), 1 << 5);
+ }
+
+ map_info = (struct dq_map_info *)((void *)common_info +
+ index->dq_map_index.offset * 4);
+ /* only 1cs a time, 0:cs0 1 cs1 */
+ if (cs > 1)
+ return -1;
+
+ dqs_default = 0xf;
+ dis_auto_zq = pctl_dis_zqcs_aref(dram->pctl);
+
+ cur_fsp = readl(pctl_base + DDR_PCTL2_MSTR2) & 0x3;
+ /* config refresh timing */
+ trefi_1x = ((readl(pctl_base + UMCTL2_REGS_FREQ(cur_fsp) +
+ DDR_PCTL2_RFSHTMG) >> 16) & 0xfff) * 32;
+ trfc_1x = readl(pctl_base + UMCTL2_REGS_FREQ(cur_fsp) +
+ DDR_PCTL2_RFSHTMG) & 0x3ff;
+ /* reg_phy_trefi[7:0] and reg_phy_trefi[13:8] */
+ clrsetbits_le32(PHY_REG(phy_base, 0x6e), 0xff, trefi_1x & 0xff);
+ clrsetbits_le32(PHY_REG(phy_base, 0x6f), 0x3f, (trefi_1x >> 8) & 0x3f);
+ /* reg_phy_trfc */
+ clrsetbits_le32(PHY_REG(phy_base, 0x57), 0xff, trfc_1x);
+ /* reg_max_refi_cnt */
+ clrsetbits_le32(PHY_REG(phy_base, 0x61), 0xf << 4, 0x8 << 4);
+
+ /* choose training cs */
+ clrsetbits_le32(PHY_REG(phy_base, 0x71), 0x3 << 6, (0x2 >> cs) << 6);
+
+ /* set dq map for ddr4 */
+ if (dramtype == DDR4) {
+ setbits_le32(PHY_REG(phy_base, 0x70), BIT(7));
+ for (i = 0; i < 4; i++) {
+ writel((map_info->ddr4_dq_map[cs * 2] >>
+ ((i % 4) * 8)) & 0xff,
+ PHY_REG(phy_base, 0x238 + i));
+ writel((map_info->ddr4_dq_map[cs * 2 + 1] >>
+ ((i % 4) * 8)) & 0xff,
+ PHY_REG(phy_base, 0x2b8 + i));
+ }
+ }
+
+ /* cha_l reg_l_rd_train_dqs_default[5:0] */
+ clrsetbits_le32(PHY_REG(phy_base, 0x230), 0x3f, dqs_default);
+ /* cha_h reg_h_rd_train_dqs_default[5:0] */
+ clrsetbits_le32(PHY_REG(phy_base, 0x234), 0x3f, dqs_default);
+ /* chb_l reg_l_rd_train_dqs_default[5:0] */
+ clrsetbits_le32(PHY_REG(phy_base, 0x2b0), 0x3f, dqs_default);
+ /* chb_h reg_h_rd_train_dqs_default[5:0] */
+ clrsetbits_le32(PHY_REG(phy_base, 0x2b4), 0x3f, dqs_default);
+
+ /* Choose the read train auto mode */
+ clrsetbits_le32(PHY_REG(phy_base, 0x70), 0x3, 0x1);
+ /* Enable the auto train of the read train */
+ clrsetbits_le32(PHY_REG(phy_base, 0x70), 0x3, 0x3);
+
+ /* Wait the train done. */
+ while (1) {
+ if ((readl(PHY_REG(phy_base, 0x93)) >> 7) & 0x1)
+ break;
+
+ udelay(1);
+ if (timeout_us-- == 0) {
+ printascii("error: read training timeout\n");
+ return -1;
+ }
+ }
+
+ /* Check the read train state */
+ if ((readl(PHY_REG(phy_base, 0x240)) & 0x3) ||
+ (readl(PHY_REG(phy_base, 0x2c0)) & 0x3)) {
+ printascii("error: read training error\n");
+ return -1;
+ }
+
+ /* Exit the Read Training by setting */
+ clrbits_le32(PHY_REG(phy_base, 0x70), BIT(1));
+
+ pctl_rest_zqcs_aref(dram->pctl, dis_auto_zq);
+
+ if (dramtype == DDR3 && vref_inner == 0x80) {
+ for (i = 0; i < 4; i++)
+ writel(vref_inner,
+ PHY_REG(phy_base, 0x118 + i * 0x10));
+
+ /* reg_rx_vref_value_update */
+ setbits_le32(PHY_REG(phy_base, 0x71), 1 << 5);
+ clrbits_le32(PHY_REG(phy_base, 0x71), 1 << 5);
+ }
+
+ return 0;
+}
+
+static int data_training_wr(struct dram_info *dram, u32 cs, u32 dramtype,
+ u32 mhz, u32 dst_fsp)
+{
+ void __iomem *pctl_base = dram->pctl;
+ void __iomem *phy_base = dram->phy;
+ u32 trefi_1x, trfc_1x;
+ u32 dis_auto_zq = 0;
+ u32 timeout_us = 1000;
+ u32 cur_fsp;
+ u32 mr_tmp, cl, cwl, phy_fsp, offset = 0;
+
+ if (dramtype == LPDDR3 && mhz <= 400) {
+ phy_fsp = (readl(PHY_REG(phy_base, 0xc)) >> 0x2) & 0x3;
+ offset = (phy_fsp == 0) ? 0x5 : 0x387 + (phy_fsp - 1) * 3;
+ cl = readl(PHY_REG(phy_base, offset));
+ cwl = readl(PHY_REG(phy_base, offset + 2));
+
+ clrsetbits_le32(PHY_REG(phy_base, offset), 0x1f, 0x8);
+ clrsetbits_le32(PHY_REG(phy_base, offset + 2), 0x1f, 0x4);
+ pctl_write_mr(dram->pctl, 3, 2, 0x6, dramtype);
+ }
+
+ dis_auto_zq = pctl_dis_zqcs_aref(dram->pctl);
+
+ /* PHY_0x7b[7:0] reg_train_col_addr[7:0] */
+ clrsetbits_le32(PHY_REG(phy_base, 0x7b), 0xff, 0x0);
+ /* PHY_0x7c[4:2] reg_train_ba_addr[2:0] */
+ clrsetbits_le32(PHY_REG(phy_base, 0x7c), 0x7 << 2, 0x0 << 2);
+ /* PHY_0x7c[1:0] reg_train_col_addr[9:8] */
+ clrsetbits_le32(PHY_REG(phy_base, 0x7c), 0x3, 0x0);
+ /* PHY_0x7d[7:0] reg_train_row_addr[7:0] */
+ clrsetbits_le32(PHY_REG(phy_base, 0x7d), 0xff, 0x0);
+ /* PHY_0x7e[7:0] reg_train_row_addr[15:8] */
+ clrsetbits_le32(PHY_REG(phy_base, 0x7e), 0xff, 0x0);
+
+ /* PHY_0x71[3] wrtrain_check_data_value_random_gen */
+ clrbits_le32(PHY_REG(phy_base, 0x71), BIT(3));
+
+ /* config refresh timing */
+ cur_fsp = readl(pctl_base + DDR_PCTL2_MSTR2) & 0x3;
+ trefi_1x = ((readl(pctl_base + UMCTL2_REGS_FREQ(cur_fsp) +
+ DDR_PCTL2_RFSHTMG) >> 16) & 0xfff) * 32;
+ trfc_1x = readl(pctl_base + UMCTL2_REGS_FREQ(cur_fsp) +
+ DDR_PCTL2_RFSHTMG) & 0x3ff;
+ /* reg_phy_trefi[7:0] and reg_phy_trefi[13:8] */
+ clrsetbits_le32(PHY_REG(phy_base, 0x6e), 0xff, trefi_1x & 0xff);
+ clrsetbits_le32(PHY_REG(phy_base, 0x6f), 0x3f, (trefi_1x >> 8) & 0x3f);
+ /* reg_phy_trfc */
+ clrsetbits_le32(PHY_REG(phy_base, 0x57), 0xff, trfc_1x);
+ /* reg_max_refi_cnt */
+ clrsetbits_le32(PHY_REG(phy_base, 0x61), 0xf << 4, 0x8 << 4);
+
+ /* choose training cs */
+ clrsetbits_le32(PHY_REG(phy_base, 0x7c), 0x3 << 6, (0x2 >> cs) << 6);
+
+ /* PHY_0x7a [4] reg_wr_train_dqs_default_bypass */
+ /* 0: Use the write-leveling value. */
+ /* 1: use reg0x233 0x237 0x2b3 0x2b7 */
+ setbits_le32(PHY_REG(phy_base, 0x7a), BIT(4));
+
+ /* PHY_0x7a [0] reg_dq_wr_train_auto */
+ setbits_le32(PHY_REG(phy_base, 0x7a), 0x1);
+
+ /* PHY_0x7a [1] reg_dq_wr_train_en */
+ setbits_le32(PHY_REG(phy_base, 0x7a), BIT(1));
+
+ send_a_refresh(dram);
+
+ while (1) {
+ if ((readl(PHY_REG(phy_base, 0x92)) >> 7) & 0x1)
+ break;
+
+ udelay(1);
+ if (timeout_us-- == 0) {
+ printascii("error: write training timeout\n");
+ while (1)
+ ;
+ }
+ }
+
+ /* Check the write train state */
+ if ((readl(PHY_REG(phy_base, 0x90)) >> 5) & 0x7) {
+ printascii("error: write training error\n");
+ return -1;
+ }
+
+ /* PHY_0x7a [1] reg_dq_wr_train_en */
+ clrbits_le32(PHY_REG(phy_base, 0x7a), BIT(1));
+
+ pctl_rest_zqcs_aref(dram->pctl, dis_auto_zq);
+
+ /* save LPDDR4 write vref to fsp_param for dfs */
+ if (dramtype == LPDDR4) {
+ fsp_param[dst_fsp].vref_dq[cs] =
+ ((readl(PHY_REG(phy_base, 0x384)) & 0x3f) +
+ (readl(PHY_REG(phy_base, 0x385)) & 0x3f)) / 2;
+ /* add range info */
+ fsp_param[dst_fsp].vref_dq[cs] |=
+ ((readl(PHY_REG(phy_base, 0x7c)) & BIT(5)) << 1);
+ }
+
+ if (dramtype == LPDDR3 && mhz <= 400) {
+ clrsetbits_le32(PHY_REG(phy_base, offset), 0x1f, cl);
+ clrsetbits_le32(PHY_REG(phy_base, offset + 2), 0x1f, cwl);
+ mr_tmp = readl(pctl_base + UMCTL2_REGS_FREQ(cur_fsp) +
+ DDR_PCTL2_INIT3);
+ pctl_write_mr(dram->pctl, 3, 2, mr_tmp & PCTL2_MR_MASK,
+ dramtype);
+ }
+
+ return 0;
+}
+
+static int data_training(struct dram_info *dram, u32 cs,
+ struct rv1126_sdram_params *sdram_params, u32 dst_fsp,
+ u32 training_flag)
+{
+ u32 ret = 0;
+
+ if (training_flag == FULL_TRAINING)
+ training_flag = READ_GATE_TRAINING | WRITE_LEVELING |
+ WRITE_TRAINING | READ_TRAINING;
+
+ if ((training_flag & WRITE_LEVELING) == WRITE_LEVELING) {
+ ret = data_training_wl(dram, cs,
+ sdram_params->base.dramtype,
+ sdram_params->ch.cap_info.rank);
+ if (ret != 0)
+ goto out;
+ }
+
+ if ((training_flag & READ_GATE_TRAINING) == READ_GATE_TRAINING) {
+ ret = data_training_rg(dram, cs,
+ sdram_params->base.dramtype);
+ if (ret != 0)
+ goto out;
+ }
+
+ if ((training_flag & READ_TRAINING) == READ_TRAINING) {
+ ret = data_training_rd(dram, cs,
+ sdram_params->base.dramtype,
+ sdram_params->base.ddr_freq);
+ if (ret != 0)
+ goto out;
+ }
+
+ if ((training_flag & WRITE_TRAINING) == WRITE_TRAINING) {
+ ret = data_training_wr(dram, cs,
+ sdram_params->base.dramtype,
+ sdram_params->base.ddr_freq, dst_fsp);
+ if (ret != 0)
+ goto out;
+ }
+
+out:
+ return ret;
+}
+
+static int get_wrlvl_val(struct dram_info *dram,
+ struct rv1126_sdram_params *sdram_params)
+{
+ int i, j, clk_skew;
+ void __iomem *phy_base = dram->phy;
+ u32 lp_stat;
+ int ret;
+
+ lp_stat = low_power_update(dram, 0);
+
+ clk_skew = 0x1f;
+ modify_ca_deskew(dram, DESKEW_MDF_ABS_VAL, clk_skew, clk_skew, 3,
+ sdram_params->base.dramtype);
+
+ ret = data_training(dram, 0, sdram_params, 0, WRITE_LEVELING);
+ if (sdram_params->ch.cap_info.rank == 2)
+ ret |= data_training(dram, 1, sdram_params, 0, WRITE_LEVELING);
+
+ for (j = 0; j < 2; j++)
+ for (i = 0; i < 4; i++)
+ wrlvl_result[j][i] =
+ (readl(PHY_REG(phy_base, wrlvl_result_offset[j][i])) & 0x3f) -
+ clk_skew;
+
+ low_power_update(dram, lp_stat);
+
+ return ret;
+}
+
+#if defined(CONFIG_CMD_DDR_TEST_TOOL)
+static void init_rw_trn_result_struct(struct rw_trn_result *result,
+ void __iomem *phy_base, u8 cs_num)
+{
+ int i;
+
+ result->cs_num = cs_num;
+ result->byte_en = readb(PHY_REG(dram_info.phy, 0xf)) &
+ PHY_DQ_WIDTH_MASK;
+ for (i = 0; i < FSP_NUM; i++)
+ result->fsp_mhz[i] = 0;
+}
+
+static void save_rw_trn_min_max(void __iomem *phy_base,
+ struct cs_rw_trn_result *rd_result,
+ struct cs_rw_trn_result *wr_result,
+ u8 byte_en)
+{
+ u16 phy_ofs;
+ u8 dqs;
+ u8 dq;
+
+ for (dqs = 0; dqs < BYTE_NUM; dqs++) {
+ if ((byte_en & BIT(dqs)) == 0)
+ continue;
+
+ /* Channel A or B (low or high 16 bit) */
+ phy_ofs = dqs < 2 ? 0x230 : 0x2b0;
+ /* low or high 8 bit */
+ phy_ofs += (dqs & 0x1) == 0 ? 0 : 0x9;
+ for (dq = 0; dq < 8; dq++) {
+ rd_result->dqs[dqs].dq_min[dq] =
+ readb(PHY_REG(phy_base, phy_ofs + 0x15 + dq));
+ rd_result->dqs[dqs].dq_max[dq] =
+ readb(PHY_REG(phy_base, phy_ofs + 0x27 + dq));
+ wr_result->dqs[dqs].dq_min[dq] =
+ readb(PHY_REG(phy_base, phy_ofs + 0x3d + dq));
+ wr_result->dqs[dqs].dq_max[dq] =
+ readb(PHY_REG(phy_base, phy_ofs + 0x4f + dq));
+ }
+ }
+}
+
+static void save_rw_trn_deskew(void __iomem *phy_base,
+ struct fsp_rw_trn_result *result, u8 cs_num,
+ int min_val, bool rw)
+{
+ u16 phy_ofs;
+ u8 cs;
+ u8 dq;
+
+ result->min_val = min_val;
+
+ for (cs = 0; cs < cs_num; cs++) {
+ phy_ofs = cs == 0 ? 0x170 : 0x1a0;
+ phy_ofs += rw == SKEW_RX_SIGNAL ? 0x1 : 0x17;
+ for (dq = 0; dq < 8; dq++) {
+ result->cs[cs].dqs[0].dq_deskew[dq] =
+ readb(PHY_REG(phy_base, phy_ofs + dq));
+ result->cs[cs].dqs[1].dq_deskew[dq] =
+ readb(PHY_REG(phy_base, phy_ofs + 0xb + dq));
+ result->cs[cs].dqs[2].dq_deskew[dq] =
+ readb(PHY_REG(phy_base, phy_ofs + 0x60 + dq));
+ result->cs[cs].dqs[3].dq_deskew[dq] =
+ readb(PHY_REG(phy_base, phy_ofs + 0x60 + 0xb + dq));
+ }
+
+ result->cs[cs].dqs[0].dqs_deskew =
+ readb(PHY_REG(phy_base, phy_ofs + 0x8));
+ result->cs[cs].dqs[1].dqs_deskew =
+ readb(PHY_REG(phy_base, phy_ofs + 0xb + 0x8));
+ result->cs[cs].dqs[2].dqs_deskew =
+ readb(PHY_REG(phy_base, phy_ofs + 0x60 + 0x8));
+ result->cs[cs].dqs[3].dqs_deskew =
+ readb(PHY_REG(phy_base, phy_ofs + 0x60 + 0xb + 0x8));
+ }
+}
+
+static void save_rw_trn_result_to_ddr(struct rw_trn_result *result)
+{
+ result->flag = DDR_DQ_EYE_FLAG;
+ memcpy((void *)(RW_TRN_RESULT_ADDR), result, sizeof(*result));
+}
+#endif
+
+static int high_freq_training(struct dram_info *dram,
+ struct rv1126_sdram_params *sdram_params,
+ u32 fsp)
+{
+ u32 i, j;
+ void __iomem *phy_base = dram->phy;
+ u32 dramtype = sdram_params->base.dramtype;
+ int min_val;
+ int dqs_skew, clk_skew, ca_skew;
+ u8 byte_en;
+ int ret;
+
+ byte_en = readl(PHY_REG(phy_base, 0xf)) & PHY_DQ_WIDTH_MASK;
+ dqs_skew = 0;
+ for (j = 0; j < sdram_params->ch.cap_info.rank; j++) {
+ for (i = 0; i < ARRAY_SIZE(wrlvl_result[0]); i++) {
+ if ((byte_en & BIT(i)) != 0)
+ dqs_skew += wrlvl_result[j][i];
+ }
+ }
+ dqs_skew = dqs_skew /
+ (int)(sdram_params->ch.cap_info.rank * (1 << sdram_params->ch.cap_info.bw));
+
+ clk_skew = 0x20 - dqs_skew;
+ dqs_skew = 0x20;
+
+ if (dramtype == LPDDR4) {
+ min_val = 0xff;
+ for (j = 0; j < sdram_params->ch.cap_info.rank; j++)
+ for (i = 0; i < sdram_params->ch.cap_info.bw; i++)
+ min_val = MIN(wrlvl_result[j][i], min_val);
+
+ if (min_val < 0) {
+ clk_skew = -min_val;
+ ca_skew = -min_val;
+ } else {
+ clk_skew = 0;
+ ca_skew = 0;
+ }
+ } else if (dramtype == LPDDR3) {
+ ca_skew = clk_skew - 4;
+ } else {
+ ca_skew = clk_skew;
+ }
+ modify_ca_deskew(dram, DESKEW_MDF_ABS_VAL, clk_skew, ca_skew, 3,
+ dramtype);
+
+ writel(wrlvl_result[0][0] + clk_skew, PHY_REG(phy_base, 0x233));
+ writel(wrlvl_result[0][1] + clk_skew, PHY_REG(phy_base, 0x237));
+ writel(wrlvl_result[0][2] + clk_skew, PHY_REG(phy_base, 0x2b3));
+ writel(wrlvl_result[0][3] + clk_skew, PHY_REG(phy_base, 0x2b7));
+ ret = data_training(dram, 0, sdram_params, fsp, READ_GATE_TRAINING |
+ READ_TRAINING | WRITE_TRAINING);
+#if defined(CONFIG_CMD_DDR_TEST_TOOL)
+ rw_trn_result.fsp_mhz[fsp] = (u16)sdram_params->base.ddr_freq;
+ save_rw_trn_min_max(phy_base, &rw_trn_result.rd_fsp[fsp].cs[0],
+ &rw_trn_result.wr_fsp[fsp].cs[0],
+ rw_trn_result.byte_en);
+#endif
+ if (sdram_params->ch.cap_info.rank == 2) {
+ writel(wrlvl_result[1][0] + clk_skew, PHY_REG(phy_base, 0x233));
+ writel(wrlvl_result[1][1] + clk_skew, PHY_REG(phy_base, 0x237));
+ writel(wrlvl_result[1][2] + clk_skew, PHY_REG(phy_base, 0x2b3));
+ writel(wrlvl_result[1][3] + clk_skew, PHY_REG(phy_base, 0x2b7));
+ ret |= data_training(dram, 1, sdram_params, fsp,
+ READ_GATE_TRAINING | READ_TRAINING |
+ WRITE_TRAINING);
+#if defined(CONFIG_CMD_DDR_TEST_TOOL)
+ save_rw_trn_min_max(phy_base, &rw_trn_result.rd_fsp[fsp].cs[1],
+ &rw_trn_result.wr_fsp[fsp].cs[1],
+ rw_trn_result.byte_en);
+#endif
+ }
+ if (ret)
+ goto out;
+
+ record_dq_prebit(dram);
+
+ min_val = get_min_value(dram, SKEW_RX_SIGNAL,
+ sdram_params->ch.cap_info.rank) * -1;
+ modify_dq_deskew(dram, SKEW_RX_SIGNAL, DESKEW_MDF_DIFF_VAL,
+ min_val, min_val, sdram_params->ch.cap_info.rank);
+#if defined(CONFIG_CMD_DDR_TEST_TOOL)
+ save_rw_trn_deskew(phy_base, &rw_trn_result.rd_fsp[fsp],
+ rw_trn_result.cs_num, (u8)(min_val * (-1)),
+ SKEW_RX_SIGNAL);
+#endif
+
+ min_val = MIN(get_min_value(dram, SKEW_TX_SIGNAL,
+ sdram_params->ch.cap_info.rank),
+ get_min_value(dram, SKEW_CA_SIGNAL,
+ sdram_params->ch.cap_info.rank)) * -1;
+
+ /* clk = 0, rx all skew -7, tx - min_value */
+ modify_ca_deskew(dram, DESKEW_MDF_DIFF_VAL, min_val, min_val, 3,
+ dramtype);
+
+ modify_dq_deskew(dram, SKEW_TX_SIGNAL, DESKEW_MDF_DIFF_VAL,
+ min_val, min_val, sdram_params->ch.cap_info.rank);
+#if defined(CONFIG_CMD_DDR_TEST_TOOL)
+ save_rw_trn_deskew(phy_base, &rw_trn_result.wr_fsp[fsp],
+ rw_trn_result.cs_num, (u8)(min_val * (-1)),
+ SKEW_TX_SIGNAL);
+#endif
+
+ ret = data_training(dram, 0, sdram_params, 0, READ_GATE_TRAINING);
+ if (sdram_params->ch.cap_info.rank == 2)
+ ret |= data_training(dram, 1, sdram_params, 0,
+ READ_GATE_TRAINING);
+out:
+ return ret;
+}
+
+static void set_ddrconfig(struct dram_info *dram, u32 ddrconfig)
+{
+ writel(ddrconfig, &dram->msch->deviceconf);
+ clrsetbits_le32(&dram->grf->noc_con0, 0x3 << 0, 0 << 0);
+}
+
+static void update_noc_timing(struct dram_info *dram,
+ struct rv1126_sdram_params *sdram_params)
+{
+ void __iomem *pctl_base = dram->pctl;
+ u32 bw, bl;
+
+ bw = 8 << sdram_params->ch.cap_info.bw;
+ bl = ((readl(pctl_base + DDR_PCTL2_MSTR) >> 16) & 0xf) * 2;
+
+ /* update the noc timing related to data bus width */
+ if ((bw / 8 * bl) <= 16)
+ sdram_params->ch.noc_timings.ddrmode.b.burstsize = 0;
+ else if ((bw / 8 * bl) == 32)
+ sdram_params->ch.noc_timings.ddrmode.b.burstsize = 1;
+ else if ((bw / 8 * bl) == 64)
+ sdram_params->ch.noc_timings.ddrmode.b.burstsize = 2;
+ else
+ sdram_params->ch.noc_timings.ddrmode.b.burstsize = 3;
+
+ sdram_params->ch.noc_timings.ddrtimingc0.b.burstpenalty =
+ (bl * bw / 8) > 16 ? (bl / 4) : (16 / (bl * bw / 8)) * bl / 4;
+
+ if (sdram_params->base.dramtype == LPDDR4) {
+ sdram_params->ch.noc_timings.ddrmode.b.mwrsize =
+ (bw == 16) ? 0x1 : 0x2;
+ sdram_params->ch.noc_timings.ddrtimingc0.b.wrtomwr =
+ 3 * sdram_params->ch.noc_timings.ddrtimingc0.b.burstpenalty;
+ }
+
+ writel(sdram_params->ch.noc_timings.ddrtiminga0.d32,
+ &dram->msch->ddrtiminga0);
+ writel(sdram_params->ch.noc_timings.ddrtimingb0.d32,
+ &dram->msch->ddrtimingb0);
+ writel(sdram_params->ch.noc_timings.ddrtimingc0.d32,
+ &dram->msch->ddrtimingc0);
+ writel(sdram_params->ch.noc_timings.devtodev0.d32,
+ &dram->msch->devtodev0);
+ writel(sdram_params->ch.noc_timings.ddrmode.d32, &dram->msch->ddrmode);
+ writel(sdram_params->ch.noc_timings.ddr4timing.d32,
+ &dram->msch->ddr4timing);
+}
+
+static int split_setup(struct dram_info *dram,
+ struct rv1126_sdram_params *sdram_params)
+{
+ struct sdram_cap_info *cap_info = &sdram_params->ch.cap_info;
+ u32 dramtype = sdram_params->base.dramtype;
+ u32 split_size, split_mode;
+ u64 cs_cap[2], cap;
+
+ cs_cap[0] = sdram_get_cs_cap(cap_info, 0, dramtype);
+ cs_cap[1] = sdram_get_cs_cap(cap_info, 1, dramtype);
+ /* only support the larger cap is in low 16bit */
+ if (cap_info->cs0_high16bit_row < cap_info->cs0_row) {
+ cap = cs_cap[0] / (1 << (cap_info->cs0_row -
+ cap_info->cs0_high16bit_row));
+ } else if ((cap_info->cs1_high16bit_row < cap_info->cs1_row) &&
+ (cap_info->rank == 2)) {
+ if (!cap_info->cs1_high16bit_row)
+ cap = cs_cap[0];
+ else
+ cap = cs_cap[0] + cs_cap[1] / (1 << (cap_info->cs1_row -
+ cap_info->cs1_high16bit_row));
+ } else {
+ goto out;
+ }
+ split_size = (u32)(cap >> 24) & SPLIT_SIZE_MASK;
+ if (cap_info->bw == 2)
+ split_mode = SPLIT_MODE_32_L16_VALID;
+ else
+ split_mode = SPLIT_MODE_16_L8_VALID;
+
+ rk_clrsetreg(&dram->ddrgrf->grf_ddrsplit_con,
+ (SPLIT_MODE_MASK << SPLIT_MODE_OFFSET) |
+ (SPLIT_BYPASS_MASK << SPLIT_BYPASS_OFFSET) |
+ (SPLIT_SIZE_MASK << SPLIT_SIZE_OFFSET),
+ (split_mode << SPLIT_MODE_OFFSET) |
+ (0x0 << SPLIT_BYPASS_OFFSET) |
+ (split_size << SPLIT_SIZE_OFFSET));
+
+ rk_clrsetreg(BUS_SGRF_BASE_ADDR + SGRF_SOC_CON2,
+ MSCH_AXI_BYPASS_ALL_MASK << MSCH_AXI_BYPASS_ALL_SHIFT,
+ 0x0 << MSCH_AXI_BYPASS_ALL_SHIFT);
+
+out:
+ return 0;
+}
+
+static void split_bypass(struct dram_info *dram)
+{
+ if ((readl(&dram->ddrgrf->grf_ddrsplit_con) &
+ (1 << SPLIT_BYPASS_OFFSET)) != 0)
+ return;
+
+ /* bypass split */
+ rk_clrsetreg(&dram->ddrgrf->grf_ddrsplit_con,
+ (SPLIT_BYPASS_MASK << SPLIT_BYPASS_OFFSET) |
+ (SPLIT_SIZE_MASK << SPLIT_SIZE_OFFSET),
+ (0x1 << SPLIT_BYPASS_OFFSET) |
+ (0x0 << SPLIT_SIZE_OFFSET));
+}
+
+static void dram_all_config(struct dram_info *dram,
+ struct rv1126_sdram_params *sdram_params)
+{
+ struct sdram_cap_info *cap_info = &sdram_params->ch.cap_info;
+ u32 dram_type = sdram_params->base.dramtype;
+ void __iomem *pctl_base = dram->pctl;
+ u32 sys_reg2 = 0;
+ u32 sys_reg3 = 0;
+ u64 cs_cap[2];
+ u32 cs_pst;
+
+ set_ddrconfig(dram, cap_info->ddrconfig);
+ sdram_org_config(cap_info, &sdram_params->base, &sys_reg2,
+ &sys_reg3, 0);
+ writel(sys_reg2, &dram->pmugrf->os_reg[2]);
+ writel(sys_reg3, &dram->pmugrf->os_reg[3]);
+
+ cs_cap[0] = sdram_get_cs_cap(cap_info, 0, dram_type);
+ cs_cap[1] = sdram_get_cs_cap(cap_info, 1, dram_type);
+
+ if (cap_info->rank == 2) {
+ cs_pst = (readl(pctl_base + DDR_PCTL2_ADDRMAP0) & 0x1f) +
+ 6 + 2;
+ if (cs_pst > 28)
+ cs_cap[0] = 1llu << cs_pst;
+ }
+
+ writel(((((cs_cap[1] >> 20) / 64) & 0xff) << 8) |
+ (((cs_cap[0] >> 20) / 64) & 0xff),
+ &dram->msch->devicesize);
+ update_noc_timing(dram, sdram_params);
+}
+
+static void enable_low_power(struct dram_info *dram,
+ struct rv1126_sdram_params *sdram_params)
+{
+ void __iomem *pctl_base = dram->pctl;
+ u32 grf_lp_con;
+
+ writel(0x1f1f0617, &dram->ddrgrf->ddr_grf_con[1]);
+
+ if (sdram_params->base.dramtype == DDR4)
+ grf_lp_con = (0x7 << 16) | (1 << 1);
+ else if (sdram_params->base.dramtype == DDR3)
+ grf_lp_con = (0x7 << 16) | (1 << 0);
+ else
+ grf_lp_con = (0x7 << 16) | (1 << 2);
+
+ /* en lpckdis_en */
+ grf_lp_con = grf_lp_con | (0x1 << (9 + 16)) | (0x1 << 9);
+ writel(grf_lp_con, &dram->ddrgrf->ddr_grf_lp_con);
+
+ /* enable sr, pd */
+ if (dram->pd_idle == 0)
+ clrbits_le32(pctl_base + DDR_PCTL2_PWRCTL, (1 << 1));
+ else
+ setbits_le32(pctl_base + DDR_PCTL2_PWRCTL, (1 << 1));
+ if (dram->sr_idle == 0)
+ clrbits_le32(pctl_base + DDR_PCTL2_PWRCTL, 1);
+ else
+ setbits_le32(pctl_base + DDR_PCTL2_PWRCTL, 1);
+ setbits_le32(pctl_base + DDR_PCTL2_PWRCTL, (1 << 3));
+}
+
+static void print_ddr_info(struct rv1126_sdram_params *sdram_params)
+{
+ u32 split;
+
+ if ((readl(DDR_GRF_BASE_ADDR + DDR_GRF_SPLIT_CON) &
+ (1 << SPLIT_BYPASS_OFFSET)) != 0)
+ split = 0;
+ else
+ split = readl(DDR_GRF_BASE_ADDR + DDR_GRF_SPLIT_CON) &
+ SPLIT_SIZE_MASK;
+
+ sdram_print_ddr_info(&sdram_params->ch.cap_info,
+ &sdram_params->base, split);
+}
+
+static int sdram_init_(struct dram_info *dram,
+ struct rv1126_sdram_params *sdram_params, u32 post_init)
+{
+ void __iomem *pctl_base = dram->pctl;
+ void __iomem *phy_base = dram->phy;
+ u32 ddr4_vref;
+ u32 mr_tmp;
+
+ rkclk_configure_ddr(dram, sdram_params);
+
+ rkclk_ddr_reset(dram, 1, 1, 1, 1);
+ udelay(10);
+
+ rkclk_ddr_reset(dram, 1, 1, 1, 0);
+ phy_cfg(dram, sdram_params);
+
+ rkclk_ddr_reset(dram, 1, 1, 0, 0);
+ phy_pll_set(dram, sdram_params->base.ddr_freq * MHZ, 1);
+
+ rkclk_ddr_reset(dram, 1, 0, 0, 0);
+ pctl_cfg(dram->pctl, &sdram_params->pctl_regs,
+ dram->sr_idle, dram->pd_idle);
+
+ if (sdram_params->ch.cap_info.bw == 2) {
+ /* 32bit interface use pageclose */
+ setbits_le32(pctl_base + DDR_PCTL2_SCHED, 1 << 2);
+ /* pageclose = 1, pageclose_timer = 0 will err in lp4 328MHz */
+ clrsetbits_le32(pctl_base + DDR_PCTL2_SCHED1, 0xff, 0x1 << 0);
+ } else {
+ clrbits_le32(pctl_base + DDR_PCTL2_SCHED, 1 << 2);
+ }
+
+#ifdef CONFIG_ROCKCHIP_DRAM_EXTENDED_TEMP_SUPPORT
+ u32 tmp, trefi;
+
+ tmp = readl(pctl_base + DDR_PCTL2_RFSHTMG);
+ trefi = (tmp >> 16) & 0xfff;
+ writel((tmp & 0xf000ffff) | (trefi / 2) << 16,
+ pctl_base + DDR_PCTL2_RFSHTMG);
+#endif
+
+ /* set frequency_mode */
+ setbits_le32(pctl_base + DDR_PCTL2_MSTR, 0x1 << 29);
+ /* set target_frequency to Frequency 0 */
+ clrsetbits_le32(pctl_base + DDR_PCTL2_MSTR2, 0x3, 0);
+
+ set_ds_odt(dram, sdram_params, 0);
+ sdram_params->ch.cap_info.ddrconfig = calculate_ddrconfig(sdram_params);
+ set_ctl_address_map(dram, sdram_params);
+
+ setbits_le32(pctl_base + DDR_PCTL2_DFIMISC, (1 << 5) | (1 << 4));
+
+ rkclk_ddr_reset(dram, 0, 0, 0, 0);
+
+ while ((readl(pctl_base + DDR_PCTL2_STAT) & 0x7) == 0)
+ continue;
+
+ if (sdram_params->base.dramtype == LPDDR3) {
+ pctl_write_mr(dram->pctl, 3, 11, lp3_odt_value, LPDDR3);
+ } else if (sdram_params->base.dramtype == LPDDR4) {
+ mr_tmp = readl(pctl_base + DDR_PCTL2_INIT6);
+ /* MR11 */
+ pctl_write_mr(dram->pctl, 3, 11,
+ mr_tmp >> PCTL2_LPDDR4_MR11_SHIFT & PCTL2_MR_MASK,
+ LPDDR4);
+ /* MR12 */
+ pctl_write_mr(dram->pctl, 3, 12,
+ mr_tmp >> PCTL2_LPDDR4_MR12_SHIFT & PCTL2_MR_MASK,
+ LPDDR4);
+
+ mr_tmp = readl(pctl_base + DDR_PCTL2_INIT7);
+ /* MR22 */
+ pctl_write_mr(dram->pctl, 3, 22,
+ mr_tmp >> PCTL2_LPDDR4_MR22_SHIFT & PCTL2_MR_MASK,
+ LPDDR4);
+ }
+
+ if (data_training(dram, 0, sdram_params, 0, READ_GATE_TRAINING) != 0) {
+ if (post_init != 0)
+ printascii("DTT cs0 error\n");
+ return -1;
+ }
+
+ if (sdram_params->base.dramtype == LPDDR4) {
+ mr_tmp = read_mr(dram, 1, 14, LPDDR4);
+
+ if (mr_tmp != 0x4d)
+ return -1;
+ }
+
+ if (sdram_params->base.dramtype == LPDDR4) {
+ mr_tmp = readl(pctl_base + DDR_PCTL2_INIT7);
+ /* MR14 */
+ pctl_write_mr(dram->pctl, 3, 14,
+ mr_tmp >> PCTL2_LPDDR4_MR14_SHIFT & PCTL2_MR_MASK,
+ LPDDR4);
+ }
+ if (post_init != 0 && sdram_params->ch.cap_info.rank == 2) {
+ if (data_training(dram, 1, sdram_params, 0,
+ READ_GATE_TRAINING) != 0) {
+ printascii("DTT cs1 error\n");
+ return -1;
+ }
+ }
+
+ if (sdram_params->base.dramtype == DDR4) {
+ ddr4_vref = readl(PHY_REG(phy_base, 0x105)) * 39;
+ pctl_write_vrefdq(dram->pctl, 0x3, ddr4_vref,
+ sdram_params->base.dramtype);
+ }
+
+ dram_all_config(dram, sdram_params);
+ enable_low_power(dram, sdram_params);
+
+ return 0;
+}
+
+static u64 dram_detect_cap(struct dram_info *dram,
+ struct rv1126_sdram_params *sdram_params,
+ unsigned char channel)
+{
+ struct sdram_cap_info *cap_info = &sdram_params->ch.cap_info;
+ void __iomem *pctl_base = dram->pctl;
+ void __iomem *phy_base = dram->phy;
+ u32 mr8;
+
+ u32 bktmp;
+ u32 coltmp;
+ u32 rowtmp;
+ u32 cs;
+ u32 dram_type = sdram_params->base.dramtype;
+ u32 pwrctl;
+ u32 i, dq_map;
+ u32 byte1 = 0, byte0 = 0;
+ u32 tmp, byte;
+ struct sdram_head_info_index_v2 *index = (struct sdram_head_info_index_v2 *)common_info;
+ struct dq_map_info *map_info = (struct dq_map_info *)
+ ((void *)common_info + index->dq_map_index.offset * 4);
+
+ cap_info->bw = dram_type == DDR3 ? 0 : 1;
+ if (dram_type != LPDDR4) {
+ if (dram_type != DDR4) {
+ coltmp = 12;
+ bktmp = 3;
+ if (dram_type == LPDDR2)
+ rowtmp = 15;
+ else
+ rowtmp = 16;
+
+ if (sdram_detect_col(cap_info, coltmp) != 0)
+ goto cap_err;
+
+ sdram_detect_bank(cap_info, coltmp, bktmp);
+ if (dram_type != LPDDR3)
+ sdram_detect_dbw(cap_info, dram_type);
+ } else {
+ coltmp = 10;
+ bktmp = 4;
+ rowtmp = 17;
+
+ cap_info->col = 10;
+ cap_info->bk = 2;
+ sdram_detect_bg(cap_info, coltmp);
+ }
+
+ if (sdram_detect_row(cap_info, coltmp, bktmp, rowtmp) != 0)
+ goto cap_err;
+
+ sdram_detect_row_3_4(cap_info, coltmp, bktmp);
+ } else {
+ cap_info->col = 10;
+ cap_info->bk = 3;
+ mr8 = read_mr(dram, 1, 8, dram_type);
+ cap_info->dbw = ((mr8 >> 6) & 0x3) == 0 ? 1 : 0;
+ mr8 = (mr8 >> 2) & 0xf;
+ if (mr8 >= 0 && mr8 <= 6) {
+ cap_info->cs0_row = 14 + (mr8 + 1) / 2;
+ } else if (mr8 == 0xc) {
+ cap_info->cs0_row = 13;
+ } else {
+ printascii("Cap ERR: Fail to get cap of LPDDR4/X from MR8\n");
+ goto cap_err;
+ }
+ if (cap_info->dbw == 0)
+ cap_info->cs0_row++;
+ cap_info->row_3_4 = mr8 % 2 == 1 ? 1 : 0;
+ if (cap_info->cs0_row >= 17) {
+ printascii("Cap ERR: ");
+ printascii("RV1126 LPDDR4/X cannot support row >= 17\n");
+ goto cap_err;
+ // cap_info->cs0_row = 16;
+ // cap_info->row_3_4 = 0;
+ }
+ }
+
+ pwrctl = readl(pctl_base + DDR_PCTL2_PWRCTL);
+ writel(0, pctl_base + DDR_PCTL2_PWRCTL);
+
+ if (data_training(dram, 1, sdram_params, 0, READ_GATE_TRAINING) == 0)
+ cs = 1;
+ else
+ cs = 0;
+ cap_info->rank = cs + 1;
+
+ setbits_le32(PHY_REG(phy_base, 0xf), 0xf);
+
+ tmp = data_training_rg(dram, 0, dram_type) & 0xf;
+
+ if (tmp == 0) {
+ cap_info->bw = 2;
+ } else {
+ if (dram_type == DDR3 || dram_type == DDR4) {
+ dq_map = 0;
+ byte = 0;
+ for (i = 0; i < 4; i++) {
+ if ((tmp & BIT(i)) == 0) {
+ dq_map |= byte << (i * 2);
+ byte++;
+ }
+ }
+ cap_info->bw = byte / 2;
+ for (i = 0; i < 4; i++) {
+ if ((tmp & BIT(i)) != 0) {
+ dq_map |= byte << (i * 2);
+ byte++;
+ }
+ }
+ clrsetbits_le32(&map_info->byte_map[0], 0xff << 24, dq_map << 24);
+ } else {
+ dq_map = readl(PHY_REG(phy_base, 0x4f));
+ for (i = 0; i < 4; i++) {
+ if (((dq_map >> (i * 2)) & 0x3) == 0)
+ byte0 = i;
+ if (((dq_map >> (i * 2)) & 0x3) == 1)
+ byte1 = i;
+ }
+ clrsetbits_le32(PHY_REG(phy_base, 0xf), PHY_DQ_WIDTH_MASK,
+ BIT(byte0) | BIT(byte1));
+ if (data_training(dram, 0, sdram_params, 0, READ_GATE_TRAINING) == 0)
+ cap_info->bw = 1;
+ else
+ cap_info->bw = 0;
+ }
+ }
+ if (cap_info->bw > 0)
+ cap_info->dbw = 1;
+
+ writel(pwrctl, pctl_base + DDR_PCTL2_PWRCTL);
+
+ cap_info->cs0_high16bit_row = cap_info->cs0_row;
+ if (cs) {
+ cap_info->cs1_row = cap_info->cs0_row;
+ cap_info->cs1_high16bit_row = cap_info->cs0_row;
+ } else {
+ cap_info->cs1_row = 0;
+ cap_info->cs1_high16bit_row = 0;
+ }
+
+ if (dram_type == LPDDR3)
+ sdram_detect_dbw(cap_info, dram_type);
+
+ return 0;
+cap_err:
+ return -1;
+}
+
+static int dram_detect_cs1_row(struct dram_info *dram,
+ struct rv1126_sdram_params *sdram_params,
+ unsigned char channel)
+{
+ struct sdram_cap_info *cap_info = &sdram_params->ch.cap_info;
+ void __iomem *pctl_base = dram->pctl;
+ u32 ret = 0;
+ void __iomem *test_addr;
+ u32 row, bktmp, coltmp, bw;
+ u64 cs0_cap;
+ u32 byte_mask;
+ u32 cs_pst;
+ u32 cs_add = 0;
+ u32 max_row;
+
+ if (cap_info->rank == 2) {
+ cs_pst = (readl(pctl_base + DDR_PCTL2_ADDRMAP0) & 0x1f) +
+ 6 + 2;
+ if (cs_pst < 28)
+ cs_add = 1;
+
+ cs0_cap = 1 << cs_pst;
+
+ if (sdram_params->base.dramtype == DDR4) {
+ if (cap_info->dbw == 0)
+ bktmp = cap_info->bk + 2;
+ else
+ bktmp = cap_info->bk + 1;
+ } else {
+ bktmp = cap_info->bk;
+ }
+ bw = cap_info->bw;
+ coltmp = cap_info->col;
+
+ if (bw == 2)
+ byte_mask = 0xFFFF;
+ else
+ byte_mask = 0xFF;
+
+ max_row = (cs_pst == 31) ? 30 : 31;
+
+ max_row = max_row - bktmp - coltmp - bw - cs_add + 1;
+
+ row = (cap_info->cs0_row > max_row) ? max_row :
+ cap_info->cs0_row;
+
+ for (; row > 12; row--) {
+ test_addr = (void __iomem *)(CFG_SYS_SDRAM_BASE +
+ (u32)cs0_cap +
+ (1ul << (row + bktmp + coltmp +
+ cs_add + bw - 1ul)));
+
+ writel(0, CFG_SYS_SDRAM_BASE + (u32)cs0_cap);
+ writel(PATTERN, test_addr);
+
+ if (((readl(test_addr) & byte_mask) ==
+ (PATTERN & byte_mask)) &&
+ ((readl(CFG_SYS_SDRAM_BASE + (u32)cs0_cap) &
+ byte_mask) == 0)) {
+ ret = row;
+ break;
+ }
+ }
+ }
+
+ return ret;
+}
+
+/* return: 0 = success, other = fail */
+static int sdram_init_detect(struct dram_info *dram,
+ struct rv1126_sdram_params *sdram_params)
+{
+ struct sdram_cap_info *cap_info = &sdram_params->ch.cap_info;
+ u32 ret;
+ u32 sys_reg = 0;
+ u32 sys_reg3 = 0;
+ struct sdram_head_info_index_v2 *index =
+ (struct sdram_head_info_index_v2 *)common_info;
+ struct dq_map_info *map_info;
+
+ map_info = (struct dq_map_info *)((void *)common_info +
+ index->dq_map_index.offset * 4);
+
+ if (sdram_init_(dram, sdram_params, 0)) {
+ if (sdram_params->base.dramtype == DDR3) {
+ clrsetbits_le32(&map_info->byte_map[0], 0xff << 24,
+ ((0x1 << 6) | (0x3 << 4) | (0x2 << 2) |
+ (0x0 << 0)) << 24);
+ if (sdram_init_(dram, sdram_params, 0))
+ return -1;
+ } else {
+ return -1;
+ }
+ }
+
+ if (sdram_params->base.dramtype == DDR3) {
+ writel(PATTERN, CFG_SYS_SDRAM_BASE);
+ if (readl(CFG_SYS_SDRAM_BASE) != PATTERN)
+ return -1;
+ }
+
+ split_bypass(dram);
+ if (dram_detect_cap(dram, sdram_params, 0) != 0)
+ return -1;
+
+ pctl_remodify_sdram_params(&sdram_params->pctl_regs, cap_info,
+ sdram_params->base.dramtype);
+ ret = sdram_init_(dram, sdram_params, 1);
+ if (ret != 0)
+ goto out;
+
+ cap_info->cs1_row =
+ dram_detect_cs1_row(dram, sdram_params, 0);
+ if (cap_info->cs1_row) {
+ sys_reg = readl(&dram->pmugrf->os_reg[2]);
+ sys_reg3 = readl(&dram->pmugrf->os_reg[3]);
+ SYS_REG_ENC_CS1_ROW(cap_info->cs1_row,
+ sys_reg, sys_reg3, 0);
+ writel(sys_reg, &dram->pmugrf->os_reg[2]);
+ writel(sys_reg3, &dram->pmugrf->os_reg[3]);
+ }
+
+ sdram_detect_high_row(cap_info);
+ split_setup(dram, sdram_params);
+out:
+ return ret;
+}
+
+struct rv1126_sdram_params *get_default_sdram_config(u32 freq_mhz)
+{
+ u32 i;
+ u32 offset = 0;
+ struct ddr2_3_4_lp2_3_info *ddr_info;
+
+ if (!freq_mhz) {
+ ddr_info = get_ddr_drv_odt_info(sdram_configs[0].base.dramtype);
+ if (ddr_info)
+ freq_mhz =
+ (ddr_info->ddr_freq0_1 >> DDR_FREQ_F0_SHIFT) &
+ DDR_FREQ_MASK;
+ else
+ freq_mhz = 0;
+ }
+
+ for (i = 0; i < ARRAY_SIZE(sdram_configs); i++) {
+ if (sdram_configs[i].base.ddr_freq == 0 ||
+ freq_mhz < sdram_configs[i].base.ddr_freq)
+ break;
+ }
+ offset = i == 0 ? 0 : i - 1;
+
+ return &sdram_configs[offset];
+}
+
+static const u16 pctl_need_update_reg[] = {
+ DDR_PCTL2_RFSHTMG,
+ DDR_PCTL2_INIT3,
+ DDR_PCTL2_INIT4,
+ DDR_PCTL2_INIT6,
+ DDR_PCTL2_INIT7,
+ DDR_PCTL2_DRAMTMG0,
+ DDR_PCTL2_DRAMTMG1,
+ DDR_PCTL2_DRAMTMG2,
+ DDR_PCTL2_DRAMTMG3,
+ DDR_PCTL2_DRAMTMG4,
+ DDR_PCTL2_DRAMTMG5,
+ DDR_PCTL2_DRAMTMG6,
+ DDR_PCTL2_DRAMTMG7,
+ DDR_PCTL2_DRAMTMG8,
+ DDR_PCTL2_DRAMTMG9,
+ DDR_PCTL2_DRAMTMG12,
+ DDR_PCTL2_DRAMTMG13,
+ DDR_PCTL2_DRAMTMG14,
+ DDR_PCTL2_ZQCTL0,
+ DDR_PCTL2_DFITMG0,
+ DDR_PCTL2_ODTCFG
+};
+
+static const u16 phy_need_update_reg[] = {
+ 0x14,
+ 0x18,
+ 0x1c
+};
+
+static void pre_set_rate(struct dram_info *dram,
+ struct rv1126_sdram_params *sdram_params,
+ u32 dst_fsp, u32 dst_fsp_lp4)
+{
+ u32 i, j, find;
+ void __iomem *pctl_base = dram->pctl;
+ void __iomem *phy_base = dram->phy;
+ u32 phy_offset;
+ u32 mr_tmp;
+ u32 dramtype = sdram_params->base.dramtype;
+
+ sw_set_req(dram);
+ /* pctl timing update */
+ for (i = 0, find = 0; i < ARRAY_SIZE(pctl_need_update_reg); i++) {
+ for (j = find; sdram_params->pctl_regs.pctl[j][0] != 0xFFFFFFFF;
+ j++) {
+ if (sdram_params->pctl_regs.pctl[j][0] ==
+ pctl_need_update_reg[i]) {
+ writel(sdram_params->pctl_regs.pctl[j][1],
+ pctl_base + UMCTL2_REGS_FREQ(dst_fsp) +
+ pctl_need_update_reg[i]);
+ find = j;
+ break;
+ }
+ }
+ }
+
+#ifdef CONFIG_ROCKCHIP_DRAM_EXTENDED_TEMP_SUPPORT
+ u32 tmp, trefi;
+
+ tmp = readl(pctl_base + UMCTL2_REGS_FREQ(dst_fsp) + DDR_PCTL2_RFSHTMG);
+ trefi = (tmp >> 16) & 0xfff;
+ writel((tmp & 0xf000ffff) | (trefi / 2) << 16,
+ pctl_base + UMCTL2_REGS_FREQ(dst_fsp) + DDR_PCTL2_RFSHTMG);
+#endif
+
+ sw_set_ack(dram);
+
+ /* phy timing update */
+ if (dst_fsp == 0)
+ phy_offset = 0;
+ else
+ phy_offset = PHY_REG(0, 0x387 - 5 + (dst_fsp - 1) * 3);
+ /* cl cwl al update */
+ for (i = 0, find = 0; i < ARRAY_SIZE(phy_need_update_reg); i++) {
+ for (j = find; sdram_params->phy_regs.phy[j][0] != 0xFFFFFFFF;
+ j++) {
+ if (sdram_params->phy_regs.phy[j][0] ==
+ phy_need_update_reg[i]) {
+ writel(sdram_params->phy_regs.phy[j][1],
+ phy_base + phy_offset +
+ phy_need_update_reg[i]);
+ find = j;
+ break;
+ }
+ }
+ }
+
+ set_ds_odt(dram, sdram_params, dst_fsp);
+ if (dramtype == LPDDR4) {
+ mr_tmp = readl(pctl_base + UMCTL2_REGS_FREQ(dst_fsp) +
+ DDR_PCTL2_INIT4);
+ /* MR13 */
+ pctl_write_mr(dram->pctl, 3, 13,
+ ((mr_tmp >> PCTL2_LPDDR4_MR13_SHIFT &
+ PCTL2_MR_MASK) & (~(BIT(7) | BIT(6)))) |
+ ((0x2 << 6) >> dst_fsp_lp4), dramtype);
+ writel(((mr_tmp >> PCTL2_LPDDR4_MR13_SHIFT &
+ PCTL2_MR_MASK) & (~(BIT(7) | BIT(6)))) |
+ ((0x2 << 6) >> dst_fsp_lp4),
+ PHY_REG(phy_base, 0x1b));
+ /* MR3 */
+ pctl_write_mr(dram->pctl, 3, 3,
+ mr_tmp >> PCTL2_LPDDR234_MR3_SHIFT &
+ PCTL2_MR_MASK,
+ dramtype);
+ writel(mr_tmp >> PCTL2_LPDDR234_MR3_SHIFT & PCTL2_MR_MASK,
+ PHY_REG(phy_base, 0x19));
+
+ mr_tmp = readl(pctl_base + UMCTL2_REGS_FREQ(dst_fsp) +
+ DDR_PCTL2_INIT3);
+ /* MR1 */
+ pctl_write_mr(dram->pctl, 3, 1,
+ mr_tmp >> PCTL2_LPDDR234_MR1_SHIFT &
+ PCTL2_MR_MASK,
+ dramtype);
+ writel(mr_tmp >> PCTL2_LPDDR234_MR1_SHIFT & PCTL2_MR_MASK,
+ PHY_REG(phy_base, 0x17));
+ /* MR2 */
+ pctl_write_mr(dram->pctl, 3, 2, mr_tmp & PCTL2_MR_MASK,
+ dramtype);
+ writel(mr_tmp & PCTL2_MR_MASK,
+ PHY_REG(phy_base, 0x18));
+
+ mr_tmp = readl(pctl_base + UMCTL2_REGS_FREQ(dst_fsp) +
+ DDR_PCTL2_INIT6);
+ /* MR11 */
+ pctl_write_mr(dram->pctl, 3, 11,
+ mr_tmp >> PCTL2_LPDDR4_MR11_SHIFT & PCTL2_MR_MASK,
+ dramtype);
+ writel(mr_tmp >> PCTL2_LPDDR4_MR11_SHIFT & PCTL2_MR_MASK,
+ PHY_REG(phy_base, 0x1a));
+ /* MR12 */
+ pctl_write_mr(dram->pctl, 3, 12,
+ mr_tmp >> PCTL2_LPDDR4_MR12_SHIFT & PCTL2_MR_MASK,
+ dramtype);
+
+ mr_tmp = readl(pctl_base + UMCTL2_REGS_FREQ(dst_fsp) +
+ DDR_PCTL2_INIT7);
+ /* MR22 */
+ pctl_write_mr(dram->pctl, 3, 22,
+ mr_tmp >> PCTL2_LPDDR4_MR22_SHIFT & PCTL2_MR_MASK,
+ dramtype);
+ writel(mr_tmp >> PCTL2_LPDDR4_MR22_SHIFT & PCTL2_MR_MASK,
+ PHY_REG(phy_base, 0x1d));
+ /* MR14 */
+ pctl_write_mr(dram->pctl, 3, 14,
+ mr_tmp >> PCTL2_LPDDR4_MR14_SHIFT & PCTL2_MR_MASK,
+ dramtype);
+ writel(mr_tmp >> PCTL2_LPDDR4_MR14_SHIFT & PCTL2_MR_MASK,
+ PHY_REG(phy_base, 0x1c));
+ }
+
+ update_noc_timing(dram, sdram_params);
+}
+
+static void save_fsp_param(struct dram_info *dram, u32 dst_fsp,
+ struct rv1126_sdram_params *sdram_params)
+{
+ void __iomem *pctl_base = dram->pctl;
+ void __iomem *phy_base = dram->phy;
+ struct rv1126_fsp_param *p_fsp_param = &fsp_param[dst_fsp];
+ u32 temp, temp1;
+ struct ddr2_3_4_lp2_3_info *ddr_info;
+
+ ddr_info = get_ddr_drv_odt_info(sdram_params->base.dramtype);
+
+ p_fsp_param->freq_mhz = sdram_params->base.ddr_freq;
+
+ if (sdram_params->base.dramtype == LPDDR4) {
+ p_fsp_param->rd_odt_up_en = 0;
+ p_fsp_param->rd_odt_down_en = 1;
+ } else {
+ p_fsp_param->rd_odt_up_en =
+ ODT_INFO_PULLUP_EN(ddr_info->odt_info);
+ p_fsp_param->rd_odt_down_en =
+ ODT_INFO_PULLDOWN_EN(ddr_info->odt_info);
+ }
+
+ if (p_fsp_param->rd_odt_up_en)
+ p_fsp_param->rd_odt = readl(PHY_REG(phy_base, 0x111));
+ else if (p_fsp_param->rd_odt_down_en)
+ p_fsp_param->rd_odt = readl(PHY_REG(phy_base, 0x110));
+ else
+ p_fsp_param->rd_odt = 0;
+ p_fsp_param->wr_dq_drv = readl(PHY_REG(phy_base, 0x112));
+ p_fsp_param->wr_ca_drv = readl(PHY_REG(phy_base, 0x100));
+ p_fsp_param->wr_ckcs_drv = readl(PHY_REG(phy_base, 0x102));
+ p_fsp_param->vref_inner = readl(PHY_REG(phy_base, 0x128));
+ p_fsp_param->vref_out = readl(PHY_REG(phy_base, 0x105));
+
+ if (sdram_params->base.dramtype == DDR3) {
+ temp = readl(pctl_base + UMCTL2_REGS_FREQ(dst_fsp) +
+ DDR_PCTL2_INIT3);
+ temp = (temp >> PCTL2_DDR34_MR1_SHIFT) & PCTL2_MR_MASK;
+ p_fsp_param->ds_pdds = temp & DDR3_DS_MASK;
+ p_fsp_param->dq_odt = temp & DDR3_RTT_NOM_MASK;
+ p_fsp_param->ca_odt = p_fsp_param->dq_odt;
+ } else if (sdram_params->base.dramtype == DDR4) {
+ temp = readl(pctl_base + UMCTL2_REGS_FREQ(dst_fsp) +
+ DDR_PCTL2_INIT3);
+ temp = (temp >> PCTL2_DDR34_MR1_SHIFT) & PCTL2_MR_MASK;
+ p_fsp_param->ds_pdds = temp & DDR4_DS_MASK;
+ p_fsp_param->dq_odt = temp & DDR4_RTT_NOM_MASK;
+ p_fsp_param->ca_odt = p_fsp_param->dq_odt;
+ } else if (sdram_params->base.dramtype == LPDDR3) {
+ temp = readl(pctl_base + UMCTL2_REGS_FREQ(dst_fsp) +
+ DDR_PCTL2_INIT4);
+ temp = (temp >> PCTL2_LPDDR234_MR3_SHIFT) & PCTL2_MR_MASK;
+ p_fsp_param->ds_pdds = temp & 0xf;
+
+ p_fsp_param->dq_odt = lp3_odt_value;
+ p_fsp_param->ca_odt = p_fsp_param->dq_odt;
+ } else if (sdram_params->base.dramtype == LPDDR4) {
+ temp = readl(pctl_base + UMCTL2_REGS_FREQ(dst_fsp) +
+ DDR_PCTL2_INIT4);
+ temp = (temp >> PCTL2_LPDDR234_MR3_SHIFT) & PCTL2_MR_MASK;
+ p_fsp_param->ds_pdds = temp & LPDDR4_PDDS_MASK;
+
+ temp = readl(pctl_base + UMCTL2_REGS_FREQ(dst_fsp) +
+ DDR_PCTL2_INIT6);
+ temp = (temp >> PCTL2_LPDDR4_MR11_SHIFT) & PCTL2_MR_MASK;
+ p_fsp_param->dq_odt = temp & LPDDR4_DQODT_MASK;
+ p_fsp_param->ca_odt = temp & LPDDR4_CAODT_MASK;
+
+ temp = MAX(readl(PHY_REG(phy_base, 0x3ae)),
+ readl(PHY_REG(phy_base, 0x3ce)));
+ temp1 = MIN(readl(PHY_REG(phy_base, 0x3be)),
+ readl(PHY_REG(phy_base, 0x3de)));
+ p_fsp_param->vref_ca[0] = (temp + temp1) / 2;
+ temp = MAX(readl(PHY_REG(phy_base, 0x3af)),
+ readl(PHY_REG(phy_base, 0x3cf)));
+ temp1 = MIN(readl(PHY_REG(phy_base, 0x3bf)),
+ readl(PHY_REG(phy_base, 0x3df)));
+ p_fsp_param->vref_ca[1] = (temp + temp1) / 2;
+ p_fsp_param->vref_ca[0] |=
+ (readl(PHY_REG(phy_base, 0x1e)) & BIT(6));
+ p_fsp_param->vref_ca[1] |=
+ (readl(PHY_REG(phy_base, 0x1e)) & BIT(6));
+
+ p_fsp_param->lp4_drv_pd_en = (readl(PHY_REG(phy_base, 0x114)) >>
+ 3) & 0x1;
+ }
+
+ p_fsp_param->noc_timings.ddrtiminga0 =
+ sdram_params->ch.noc_timings.ddrtiminga0;
+ p_fsp_param->noc_timings.ddrtimingb0 =
+ sdram_params->ch.noc_timings.ddrtimingb0;
+ p_fsp_param->noc_timings.ddrtimingc0 =
+ sdram_params->ch.noc_timings.ddrtimingc0;
+ p_fsp_param->noc_timings.devtodev0 =
+ sdram_params->ch.noc_timings.devtodev0;
+ p_fsp_param->noc_timings.ddrmode =
+ sdram_params->ch.noc_timings.ddrmode;
+ p_fsp_param->noc_timings.ddr4timing =
+ sdram_params->ch.noc_timings.ddr4timing;
+ p_fsp_param->noc_timings.agingx0 =
+ sdram_params->ch.noc_timings.agingx0;
+ p_fsp_param->noc_timings.aging0 =
+ sdram_params->ch.noc_timings.aging0;
+ p_fsp_param->noc_timings.aging1 =
+ sdram_params->ch.noc_timings.aging1;
+ p_fsp_param->noc_timings.aging2 =
+ sdram_params->ch.noc_timings.aging2;
+ p_fsp_param->noc_timings.aging3 =
+ sdram_params->ch.noc_timings.aging3;
+
+ p_fsp_param->flag = FSP_FLAG;
+}
+
+static void copy_fsp_param_to_ddr(void)
+{
+ memcpy((void *)FSP_PARAM_STORE_ADDR, (void *)&fsp_param,
+ sizeof(fsp_param));
+}
+
+static void pctl_modify_trfc(struct ddr_pctl_regs *pctl_regs,
+ struct sdram_cap_info *cap_info, u32 dram_type,
+ u32 freq)
+{
+ u64 cs0_cap;
+ u32 die_cap;
+ u32 trfc_ns, trfc4_ns;
+ u32 trfc, txsnr;
+ u32 txs_abort_fast = 0;
+ u32 tmp;
+
+ cs0_cap = sdram_get_cs_cap(cap_info, 0, dram_type);
+ die_cap = (u32)(cs0_cap >> (20 + (cap_info->bw - cap_info->dbw)));
+
+ switch (dram_type) {
+ case DDR3:
+ if (die_cap <= DIE_CAP_512MBIT)
+ trfc_ns = 90;
+ else if (die_cap <= DIE_CAP_1GBIT)
+ trfc_ns = 110;
+ else if (die_cap <= DIE_CAP_2GBIT)
+ trfc_ns = 160;
+ else if (die_cap <= DIE_CAP_4GBIT)
+ trfc_ns = 260;
+ else
+ trfc_ns = 350;
+ txsnr = MAX(5, ((trfc_ns + 10) * freq + 999) / 1000);
+ break;
+
+ case DDR4:
+ if (die_cap <= DIE_CAP_2GBIT) {
+ trfc_ns = 160;
+ trfc4_ns = 90;
+ } else if (die_cap <= DIE_CAP_4GBIT) {
+ trfc_ns = 260;
+ trfc4_ns = 110;
+ } else if (die_cap <= DIE_CAP_8GBIT) {
+ trfc_ns = 350;
+ trfc4_ns = 160;
+ } else {
+ trfc_ns = 550;
+ trfc4_ns = 260;
+ }
+ txsnr = ((trfc_ns + 10) * freq + 999) / 1000;
+ txs_abort_fast = ((trfc4_ns + 10) * freq + 999) / 1000;
+ break;
+
+ case LPDDR3:
+ if (die_cap <= DIE_CAP_4GBIT)
+ trfc_ns = 130;
+ else
+ trfc_ns = 210;
+ txsnr = MAX(2, ((trfc_ns + 10) * freq + 999) / 1000);
+ break;
+
+ case LPDDR4:
+ if (die_cap <= DIE_CAP_2GBIT)
+ trfc_ns = 130;
+ else if (die_cap <= DIE_CAP_4GBIT)
+ trfc_ns = 180;
+ else if (die_cap <= DIE_CAP_8GBIT)
+ trfc_ns = 280;
+ else
+ trfc_ns = 380;
+ txsnr = MAX(2, ((trfc_ns + 10) * freq + 999) / 1000);
+ break;
+
+ default:
+ return;
+ }
+ trfc = (trfc_ns * freq + 999) / 1000;
+
+ for (int i = 0; pctl_regs->pctl[i][0] != 0xffffffff; i++) {
+ switch (pctl_regs->pctl[i][0]) {
+ case DDR_PCTL2_RFSHTMG:
+ tmp = pctl_regs->pctl[i][1];
+ /* t_rfc_min */
+ tmp &= ~((u32)0x3ff);
+ tmp |= ((trfc + 1) / 2) & 0x3ff;
+ pctl_regs->pctl[i][1] = tmp;
+ break;
+
+ case DDR_PCTL2_DRAMTMG8:
+ if (dram_type == DDR3 || dram_type == DDR4) {
+ tmp = pctl_regs->pctl[i][1];
+ /* t_xs_x32 */
+ tmp &= ~((u32)0x7f);
+ tmp |= ((txsnr + 63) / 64) & 0x7f;
+
+ if (dram_type == DDR4) {
+ /* t_xs_abort_x32 */
+ tmp &= ~((u32)(0x7f << 16));
+ tmp |= (((txs_abort_fast + 63) / 64) & 0x7f) << 16;
+ /* t_xs_fast_x32 */
+ tmp &= ~((u32)(0x7f << 24));
+ tmp |= (((txs_abort_fast + 63) / 64) & 0x7f) << 24;
+ }
+
+ pctl_regs->pctl[i][1] = tmp;
+ }
+ break;
+
+ case DDR_PCTL2_DRAMTMG14:
+ if (dram_type == LPDDR3 ||
+ dram_type == LPDDR4) {
+ tmp = pctl_regs->pctl[i][1];
+ /* t_xsr */
+ tmp &= ~((u32)0xfff);
+ tmp |= ((txsnr + 1) / 2) & 0xfff;
+ pctl_regs->pctl[i][1] = tmp;
+ }
+ break;
+
+ default:
+ break;
+ }
+ }
+}
+
+void ddr_set_rate(struct dram_info *dram,
+ struct rv1126_sdram_params *sdram_params,
+ u32 freq, u32 cur_freq, u32 dst_fsp,
+ u32 dst_fsp_lp4, u32 training_en)
+{
+ u32 dest_dll_off, cur_init3, dst_init3, cur_fsp, cur_dll_off;
+ u32 mr_tmp;
+ u32 lp_stat;
+ u32 dramtype = sdram_params->base.dramtype;
+ struct rv1126_sdram_params *sdram_params_new;
+ void __iomem *pctl_base = dram->pctl;
+ void __iomem *phy_base = dram->phy;
+
+ lp_stat = low_power_update(dram, 0);
+ sdram_params_new = get_default_sdram_config(freq);
+ sdram_params_new->ch.cap_info.rank = sdram_params->ch.cap_info.rank;
+ sdram_params_new->ch.cap_info.bw = sdram_params->ch.cap_info.bw;
+
+ pctl_modify_trfc(&sdram_params_new->pctl_regs,
+ &sdram_params->ch.cap_info, dramtype, freq);
+ pre_set_rate(dram, sdram_params_new, dst_fsp, dst_fsp_lp4);
+
+ while ((readl(pctl_base + DDR_PCTL2_STAT) &
+ PCTL2_OPERATING_MODE_MASK) ==
+ PCTL2_OPERATING_MODE_SR)
+ continue;
+
+ dest_dll_off = 0;
+ dst_init3 = readl(pctl_base + UMCTL2_REGS_FREQ(dst_fsp) +
+ DDR_PCTL2_INIT3);
+ if ((dramtype == DDR3 && (dst_init3 & 1)) ||
+ (dramtype == DDR4 && !(dst_init3 & 1)))
+ dest_dll_off = 1;
+
+ cur_fsp = readl(pctl_base + DDR_PCTL2_MSTR2) & 0x3;
+ cur_init3 = readl(pctl_base + UMCTL2_REGS_FREQ(cur_fsp) +
+ DDR_PCTL2_INIT3);
+ cur_init3 &= PCTL2_MR_MASK;
+ cur_dll_off = 1;
+ if ((dramtype == DDR3 && !(cur_init3 & 1)) ||
+ (dramtype == DDR4 && (cur_init3 & 1)))
+ cur_dll_off = 0;
+
+ if (!cur_dll_off) {
+ if (dramtype == DDR3)
+ cur_init3 |= 1;
+ else
+ cur_init3 &= ~1;
+ pctl_write_mr(dram->pctl, 2, 1, cur_init3, dramtype);
+ }
+
+ setbits_le32(pctl_base + DDR_PCTL2_RFSHCTL3,
+ PCTL2_DIS_AUTO_REFRESH);
+ update_refresh_reg(dram);
+
+ enter_sr(dram, 1);
+
+ writel(PMUGRF_CON_DDRPHY_BUFFEREN_MASK |
+ PMUGRF_CON_DDRPHY_BUFFEREN_EN,
+ &dram->pmugrf->soc_con[0]);
+ sw_set_req(dram);
+ clrbits_le32(pctl_base + DDR_PCTL2_DFIMISC,
+ PCTL2_DFI_INIT_COMPLETE_EN);
+ sw_set_ack(dram);
+
+ sw_set_req(dram);
+ if ((dramtype == DDR3 || dramtype == DDR4) && dest_dll_off)
+ setbits_le32(pctl_base + DDR_PCTL2_MSTR, PCTL2_DLL_OFF_MODE);
+ else
+ clrbits_le32(pctl_base + DDR_PCTL2_MSTR, PCTL2_DLL_OFF_MODE);
+
+ setbits_le32(pctl_base + UMCTL2_REGS_FREQ(cur_fsp) + DDR_PCTL2_ZQCTL0,
+ PCTL2_DIS_SRX_ZQCL);
+ setbits_le32(pctl_base + UMCTL2_REGS_FREQ(dst_fsp) + DDR_PCTL2_ZQCTL0,
+ PCTL2_DIS_SRX_ZQCL);
+ sw_set_ack(dram);
+
+ writel(DDR_MSCH_EN_MASK | (0x1 << DDR_MSCH_EN_SHIFT),
+ &dram->cru->clkgate_con[21]);
+ writel(CLK_DDR_UPCTL_EN_MASK | ACLK_DDR_UPCTL_EN_MASK |
+ (0x1 << CLK_DDR_UPCTL_EN_SHIFT) |
+ (0x1 << ACLK_DDR_UPCTL_EN_SHIFT),
+ BUS_SGRF_BASE_ADDR + SGRF_SOC_CON12);
+
+ clrbits_le32(PHY_REG(phy_base, 0), ANALOG_DERESET | DIGITAL_DERESET);
+ rkclk_set_dpll(dram, freq * MHz / 2);
+ phy_pll_set(dram, freq * MHz, 0);
+ phy_pll_set(dram, freq * MHz, 1);
+ setbits_le32(PHY_REG(phy_base, 0), ANALOG_DERESET | DIGITAL_DERESET);
+
+ writel(PMUGRF_CON_DDRPHY_BUFFEREN_MASK |
+ PMUGRF_CON_DDRPHY_BUFFEREN_DIS,
+ &dram->pmugrf->soc_con[0]);
+ writel(DDR_MSCH_EN_MASK | (0x0 << DDR_MSCH_EN_SHIFT),
+ &dram->cru->clkgate_con[21]);
+ writel(CLK_DDR_UPCTL_EN_MASK | ACLK_DDR_UPCTL_EN_MASK |
+ (0x0 << CLK_DDR_UPCTL_EN_SHIFT) |
+ (0x0 << ACLK_DDR_UPCTL_EN_SHIFT),
+ BUS_SGRF_BASE_ADDR + SGRF_SOC_CON12);
+ while ((readl(pctl_base + DDR_PCTL2_DFISTAT) &
+ PCTL2_DFI_INIT_COMPLETE) != PCTL2_DFI_INIT_COMPLETE)
+ continue;
+
+ sw_set_req(dram);
+ setbits_le32(pctl_base + DDR_PCTL2_MSTR, 0x1 << 29);
+ clrsetbits_le32(pctl_base + DDR_PCTL2_MSTR2, 0x3, dst_fsp);
+ sw_set_ack(dram);
+ update_refresh_reg(dram);
+ clrsetbits_le32(PHY_REG(phy_base, 0xc), 0x3 << 2, dst_fsp << 2);
+
+ enter_sr(dram, 0);
+
+ setbits_le32(PHY_REG(phy_base, 0x71), 1 << 5);
+ clrbits_le32(PHY_REG(phy_base, 0x71), 1 << 5);
+
+ mr_tmp = readl(pctl_base + UMCTL2_REGS_FREQ(dst_fsp) + DDR_PCTL2_INIT4);
+ if (dramtype == LPDDR3) {
+ pctl_write_mr(dram->pctl, 3, 1,
+ (dst_init3 >> PCTL2_LPDDR234_MR1_SHIFT) &
+ PCTL2_MR_MASK,
+ dramtype);
+ pctl_write_mr(dram->pctl, 3, 2, dst_init3 & PCTL2_MR_MASK,
+ dramtype);
+ pctl_write_mr(dram->pctl, 3, 3,
+ (mr_tmp >> PCTL2_LPDDR234_MR3_SHIFT) &
+ PCTL2_MR_MASK,
+ dramtype);
+ pctl_write_mr(dram->pctl, 3, 11, lp3_odt_value, dramtype);
+ } else if ((dramtype == DDR3) || (dramtype == DDR4)) {
+ pctl_write_mr(dram->pctl, 3, 1, dst_init3 & PCTL2_MR_MASK,
+ dramtype);
+ if (!dest_dll_off) {
+ pctl_write_mr(dram->pctl, 3, 0,
+ ((dst_init3 >> PCTL2_DDR34_MR0_SHIFT) &
+ PCTL2_MR_MASK) | DDR3_DLL_RESET,
+ dramtype);
+ udelay(2);
+ }
+ pctl_write_mr(dram->pctl, 3, 0,
+ (dst_init3 >> PCTL2_DDR34_MR0_SHIFT &
+ PCTL2_MR_MASK) & (~DDR3_DLL_RESET),
+ dramtype);
+ pctl_write_mr(dram->pctl, 3, 2,
+ ((mr_tmp >> PCTL2_DDR34_MR2_SHIFT) &
+ PCTL2_MR_MASK), dramtype);
+ if (dramtype == DDR4) {
+ pctl_write_mr(dram->pctl, 3, 3, mr_tmp & PCTL2_MR_MASK,
+ dramtype);
+ mr_tmp = readl(pctl_base + UMCTL2_REGS_FREQ(dst_fsp) +
+ DDR_PCTL2_INIT6);
+ pctl_write_mr(dram->pctl, 3, 4,
+ (mr_tmp >> PCTL2_DDR4_MR4_SHIFT) &
+ PCTL2_MR_MASK,
+ dramtype);
+ pctl_write_mr(dram->pctl, 3, 5,
+ mr_tmp >> PCTL2_DDR4_MR5_SHIFT &
+ PCTL2_MR_MASK,
+ dramtype);
+
+ mr_tmp = readl(pctl_base + UMCTL2_REGS_FREQ(dst_fsp) +
+ DDR_PCTL2_INIT7);
+ pctl_write_mr(dram->pctl, 3, 6,
+ mr_tmp >> PCTL2_DDR4_MR6_SHIFT &
+ PCTL2_MR_MASK,
+ dramtype);
+ }
+ } else if (dramtype == LPDDR4) {
+ pctl_write_mr(dram->pctl, 3, 13,
+ ((mr_tmp >> PCTL2_LPDDR4_MR13_SHIFT &
+ PCTL2_MR_MASK) & (~(BIT(7)))) |
+ dst_fsp_lp4 << 7, dramtype);
+ }
+ clrbits_le32(pctl_base + DDR_PCTL2_RFSHCTL3,
+ PCTL2_DIS_AUTO_REFRESH);
+ update_refresh_reg(dram);
+
+ /* training */
+ high_freq_training(dram, sdram_params_new, dst_fsp);
+ low_power_update(dram, lp_stat);
+
+ save_fsp_param(dram, dst_fsp, sdram_params_new);
+}
+
+static void ddr_set_rate_for_fsp(struct dram_info *dram,
+ struct rv1126_sdram_params *sdram_params)
+{
+ struct ddr2_3_4_lp2_3_info *ddr_info;
+ u32 f0;
+ u32 dramtype = sdram_params->base.dramtype;
+ u32 f1, f2, f3;
+
+ ddr_info = get_ddr_drv_odt_info(dramtype);
+ if (!ddr_info)
+ return;
+
+ f0 = (ddr_info->ddr_freq0_1 >> DDR_FREQ_F0_SHIFT) &
+ DDR_FREQ_MASK;
+
+ memset((void *)FSP_PARAM_STORE_ADDR, 0, sizeof(fsp_param));
+ memset((void *)&fsp_param, 0, sizeof(fsp_param));
+
+ f1 = (ddr_info->ddr_freq0_1 >> DDR_FREQ_F1_SHIFT) &
+ DDR_FREQ_MASK;
+ f2 = (ddr_info->ddr_freq2_3 >> DDR_FREQ_F2_SHIFT) &
+ DDR_FREQ_MASK;
+ f3 = (ddr_info->ddr_freq2_3 >> DDR_FREQ_F3_SHIFT) &
+ DDR_FREQ_MASK;
+
+ if (get_wrlvl_val(dram, sdram_params))
+ printascii("get wrlvl value fail\n");
+
+ printascii("change to: ");
+ printdec(f1);
+ printascii("MHz\n");
+ ddr_set_rate(&dram_info, sdram_params, f1,
+ sdram_params->base.ddr_freq, 1, 1, 1);
+ printascii("change to: ");
+ printdec(f2);
+ printascii("MHz\n");
+ ddr_set_rate(&dram_info, sdram_params, f2, f1, 2, 0, 1);
+ printascii("change to: ");
+ printdec(f3);
+ printascii("MHz\n");
+ ddr_set_rate(&dram_info, sdram_params, f3, f2, 3, 1, 1);
+ printascii("change to: ");
+ printdec(f0);
+ printascii("MHz(final freq)\n");
+ ddr_set_rate(&dram_info, sdram_params, f0, f3, 0, 0, 1);
+}
+
+int get_uart_config(void)
+{
+ struct sdram_head_info_index_v2 *index =
+ (struct sdram_head_info_index_v2 *)common_info;
+ struct global_info *gbl_info;
+
+ gbl_info = (struct global_info *)((void *)common_info +
+ index->global_index.offset * 4);
+
+ return gbl_info->uart_info;
+}
+
+/* return: 0 = success, other = fail */
+static int rv1126_dmc_init(struct udevice *dev)
+{
+ struct rv1126_sdram_params *sdram_params;
+ int ret = 0;
+ struct sdram_head_info_index_v2 *index =
+ (struct sdram_head_info_index_v2 *)common_info;
+ struct global_info *gbl_info;
+
+ dram_info.phy = (void *)DDR_PHY_BASE_ADDR;
+ dram_info.pctl = (void *)UPCTL2_BASE_ADDR;
+ dram_info.grf = (void *)GRF_BASE_ADDR;
+ dram_info.cru = (void *)CRU_BASE_ADDR;
+ dram_info.msch = (void *)SERVER_MSCH_BASE_ADDR;
+ dram_info.ddrgrf = (void *)DDR_GRF_BASE_ADDR;
+ dram_info.pmugrf = (void *)PMU_GRF_BASE_ADDR;
+
+#ifdef CONFIG_ROCKCHIP_DRAM_EXTENDED_TEMP_SUPPORT
+ printascii("extended temp support\n");
+#endif
+ if (index->version_info != 2 ||
+ (index->global_index.size != sizeof(struct global_info) / 4) ||
+ (index->ddr3_index.size !=
+ sizeof(struct ddr2_3_4_lp2_3_info) / 4) ||
+ (index->ddr4_index.size !=
+ sizeof(struct ddr2_3_4_lp2_3_info) / 4) ||
+ (index->lp3_index.size !=
+ sizeof(struct ddr2_3_4_lp2_3_info) / 4) ||
+ (index->lp4_index.size != (sizeof(struct lp4_info) / 4)) ||
+ (index->lp4x_index.size != (sizeof(struct lp4_info) / 4)) ||
+ index->global_index.offset == 0 ||
+ index->ddr3_index.offset == 0 ||
+ index->ddr4_index.offset == 0 ||
+ index->lp3_index.offset == 0 ||
+ index->lp4_index.offset == 0 ||
+ index->lp4x_index.offset == 0) {
+ printascii("common info error\n");
+ goto error;
+ }
+
+ gbl_info = (struct global_info *)((void *)common_info +
+ index->global_index.offset * 4);
+
+ dram_info.sr_idle = SR_INFO(gbl_info->sr_pd_info);
+ dram_info.pd_idle = PD_INFO(gbl_info->sr_pd_info);
+
+ sdram_params = &sdram_configs[0];
+ if (sdram_params->base.dramtype == DDR3 ||
+ sdram_params->base.dramtype == DDR4) {
+ if (DDR_2T_INFO(gbl_info->info_2t))
+ sdram_params->pctl_regs.pctl[0][1] |= 0x1 << 10;
+ else
+ sdram_params->pctl_regs.pctl[0][1] &=
+ ~(0x1 << 10);
+ }
+ ret = sdram_init_detect(&dram_info, sdram_params);
+ if (ret) {
+ sdram_print_dram_type(sdram_params->base.dramtype);
+ printascii(", ");
+ printdec(sdram_params->base.ddr_freq);
+ printascii("MHz\n");
+ goto error;
+ }
+ print_ddr_info(sdram_params);
+#if defined(CONFIG_CMD_DDR_TEST_TOOL)
+ init_rw_trn_result_struct(&rw_trn_result, dram_info.phy,
+ (u8)sdram_params->ch.cap_info.rank);
+#endif
+
+ ddr_set_rate_for_fsp(&dram_info, sdram_params);
+ copy_fsp_param_to_ddr();
+
+#if defined(CONFIG_CMD_DDR_TEST_TOOL)
+ save_rw_trn_result_to_ddr(&rw_trn_result);
+#endif
+
+ printascii("out\n");
+
+ return ret;
+error:
+ printascii("error\n");
+ return (-1);
+}
+
+#endif
+
+static int rv1126_dmc_probe(struct udevice *dev)
+{
+#if defined(CONFIG_TPL_BUILD) || \
+ (!defined(CONFIG_TPL) && defined(CONFIG_SPL_BUILD))
+ if (rv1126_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: grf=%p\n", __func__, priv->pmugrf);
+ priv->info.base = CFG_SYS_SDRAM_BASE;
+ priv->info.size =
+ rockchip_sdram_size((phys_addr_t)&priv->pmugrf->os_reg[2]);
+#endif
+ return 0;
+}
+
+static int rv1126_dmc_get_info(struct udevice *dev, struct ram_info *info)
+{
+ struct dram_info *priv = dev_get_priv(dev);
+
+ *info = priv->info;
+
+ return 0;
+}
+
+static struct ram_ops rv1126_dmc_ops = {
+ .get_info = rv1126_dmc_get_info,
+};
+
+static const struct udevice_id rv1126_dmc_ids[] = {
+ { .compatible = "rockchip,rv1126-dmc" },
+ { }
+};
+
+U_BOOT_DRIVER(dmc_rv1126) = {
+ .name = "rockchip_rv1126_dmc",
+ .id = UCLASS_RAM,
+ .of_match = rv1126_dmc_ids,
+ .ops = &rv1126_dmc_ops,
+ .probe = rv1126_dmc_probe,
+ .priv_auto = sizeof(struct dram_info),
+};
generated by cgit v1.2.3 (git 2.0.4) at 2024-06-26 09:26:24 +0000