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- // 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[] = {
- #if defined(CONFIG_RAM_ROCKCHIP_LPDDR4)
- # include "sdram-rv1126-lpddr4-detect-328.inc"
- # include "sdram-rv1126-lpddr4-detect-396.inc"
- # include "sdram-rv1126-lpddr4-detect-528.inc"
- # include "sdram-rv1126-lpddr4-detect-664.inc"
- # include "sdram-rv1126-lpddr4-detect-784.inc"
- # include "sdram-rv1126-lpddr4-detect-924.inc"
- # include "sdram-rv1126-lpddr4-detect-1056.inc"
- #else
- # 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"
- #endif
- };
- 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");
- if (IS_ENABLED(CONFIG_RAM_ROCKCHIP_DEBUG)) {
- printascii("change to: ");
- printdec(f1);
- printascii("MHz\n");
- }
- ddr_set_rate(&dram_info, sdram_params, f1,
- sdram_params->base.ddr_freq, 1, 1, 1);
- if (IS_ENABLED(CONFIG_RAM_ROCKCHIP_DEBUG)) {
- printascii("change to: ");
- printdec(f2);
- printascii("MHz\n");
- }
- ddr_set_rate(&dram_info, sdram_params, f2, f1, 2, 0, 1);
- if (IS_ENABLED(CONFIG_RAM_ROCKCHIP_DEBUG)) {
- printascii("change to: ");
- printdec(f3);
- printascii("MHz\n");
- }
- ddr_set_rate(&dram_info, sdram_params, f3, f2, 3, 1, 1);
- if (IS_ENABLED(CONFIG_RAM_ROCKCHIP_DEBUG)) {
- 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
- if (IS_ENABLED(CONFIG_RAM_ROCKCHIP_DEBUG))
- 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),
- };
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