// SPDX-License-Identifier: GPL-2.0+
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/*
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* Copyright (C) 2020 Rockchip Electronics Co., Ltd
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*/
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#include <common.h>
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#ifdef CONFIG_TPL_BUILD
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#include <debug_uart.h>
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#include <dm.h>
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#include <dt-structs.h>
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#include <ram.h>
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#include <regmap.h>
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#include <syscon.h>
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#include <asm/io.h>
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#include <asm/arch/clock.h>
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#include <asm/arch/hardware.h>
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#include <asm/arch/rk_atags.h>
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#include <asm/arch/timer.h>
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#include <asm/arch/grf_rk3308.h>
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#include <asm/arch/sdram.h>
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#include <asm/arch/sdram_rk3308.h>
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#include <asm/arch/sdram_rv1108_pctl_phy.h>
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DECLARE_GLOBAL_DATA_PTR;
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#define CRU_BASE 0xff500000
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#define GRF_BASE 0xff000000
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#define SGRF_BASE 0xff2b0000
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#define DDR_PHY_BASE 0xff530000
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#define DDR_PCTL_BASE 0xff010000
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#define DDR_STANDBY_BASE 0xff030000
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#define PMU_BASS_ADDR 0xff520000
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#define SERVICE_MSCH_BASE 0xff5c8000
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struct rk3308_ddr_gd ddr_gd = {
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#include "sdram-rk3308-ddr-skew.inc"
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};
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struct sdram_params sdram_configs[] = {
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#if (CONFIG_ROCKCHIP_TPL_INIT_DRAM_TYPE == 3)
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#include "sdram_inc/rk3308/sdram-rk3308-ddr3-detect-589.inc"
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#elif (CONFIG_ROCKCHIP_TPL_INIT_DRAM_TYPE == 2)
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#include "sdram_inc/rk3308/sdram-rk3308-ddr2-detect-451.inc"
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#elif (CONFIG_ROCKCHIP_TPL_INIT_DRAM_TYPE == 5)
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#include "sdram_inc/rk3308/sdram-rk3308-lpddr2-detect-451.inc"
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#endif
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};
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#define DDR3_DDR2_ODT_DISABLE_FREQ (666)
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#define DDR2_TRFC_256MBIT (75)
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#define DDR2_TRFC_512MBIT (105)
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#define DDR2_TRFC_1GBIT (128)
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#define DDR2_TRFC_2GBIT (195)
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#define DDR2_TRFC_4GBIT (328)
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#define DDR3_TRFC_512MBIT (90)
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#define DDR3_TRFC_1GBIT (110)
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#define DDR3_TRFC_2GBIT (160)
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#define DDR3_TRFC_4GBIT (300)
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#define DDR3_TRFC_8GBIT (350)
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#define LPDDR2_TRFC_8GBIT (210) /*ns*/
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#define LPDDR2_TRFC_4GBIT (130) /*ns*/
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#define LPDDR2_TREC_512MBIT (90) /*ns*/
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void enable_ddr_io_ret(struct dram_info *priv)
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{
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rk_clrsetreg(&priv->pmu->sft_con_lo, DDR_IO_RET_CFG_MASK,
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DDR_IO_RET_CFG << DDR_IO_RET_CFG_SHIFT);
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rk_clrsetreg(&priv->grf->upctl_con0, GRF_DDR_16BIT_EN_MASK,
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GRF_DDR_16BIT_EN << GRF_DDR_16BIT_EN_SHIFT);
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}
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void pll_set(u32 pll_type, struct dram_info *priv,
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struct rockchip_pll_rate_table *pll_priv)
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{
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/* pll power down */
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rk_clrsetreg(&priv->cru->pll[pll_type].con1, PLLPD0_MASK,
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PLLPD0_POWER_DOWN << PLLPD0_SHIFT);
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rk_clrsetreg(&priv->cru->pll[pll_type].con1,
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DSMPD_MASK, pll_priv->dsmpd << DSMPD_SHIFT);
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/* set pll freq */
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rk_clrsetreg(&priv->cru->pll[pll_type].con0,
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FBDIV_MASK | POSTDIV1_MASK,
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pll_priv->fbdiv << FBDIV_SHIFT |
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pll_priv->postdiv1 << POSTDIV1_SHIFT);
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rk_clrsetreg(&priv->cru->pll[pll_type].con1,
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POSTDIV2_MASK | REFDIV_MASK,
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pll_priv->postdiv2 << POSTDIV2_SHIFT |
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pll_priv->refdiv << REFDIV_SHIFT);
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writel(pll_priv->frac << FRACDIV_SHIFT,
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&priv->cru->pll[pll_type].con2);
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/* pll power up */
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rk_clrsetreg(&priv->cru->pll[pll_type].con1, PLLPD0_MASK,
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PLLPD0_NO_POWER_DOWN << PLLPD0_SHIFT);
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/* wait until pll lock */
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while (!(readl(&priv->cru->pll[pll_type].con1) &
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(1u << PLL_LOCK_SHIFT)))
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udelay(1);
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}
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void rkdclk_init(struct dram_info *priv,
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struct sdram_params *params_priv)
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{
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u32 ddr_pll_sel;
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u32 ddr_phy_div_con;
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u32 uart_div[5] = {15, 15, 15, 15, 15};
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struct rockchip_pll_rate_table rk3308_pll_div;
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/* DPLL VPLL0 VPLL1 mode in 24MHz*/
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rk_clrsetreg(&priv->cru->mode, VPLL1_WORK_MODE_MASK,
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VPLL1_WORK_MODE_XIN_OSC0 << VPLL1_WORK_MODE_SHIFT);
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rk_clrsetreg(&priv->cru->mode, VPLL0_WORK_MODE_MASK,
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VPLL0_WORK_MODE_XIN_OSC0 << VPLL0_WORK_MODE_SHIFT);
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rk_clrsetreg(&priv->cru->mode, DPLL_WORK_MODE_MASK,
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DPLL_WORK_MODE_XIN_OSC0 << DPLL_WORK_MODE_SHIFT);
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/* set PLL without level shift */
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rk_clrsetreg(&priv->cru->mode, VPLL1_CLK_SEL_MASK,
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VPLL1_CLK_SEL_WITHOUT_LVL_SHIFT << VPLL1_CLK_SEL_SHIFT);
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rk_clrsetreg(&priv->cru->mode, VPLL0_CLK_SEL_MASK,
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VPLL0_CLK_SEL_WITHOUT_LVL_SHIFT << VPLL0_CLK_SEL_SHIFT);
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rk_clrsetreg(&priv->cru->mode, DPLL_CLK_SEL_MASK,
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DPLL_CLK_SEL_WITHOUT_LVL_SHIFT << DPLL_CLK_SEL_SHIFT);
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/* set vpll1 in 903.168MHz vco = 1.806GHz */
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rk3308_pll_div.refdiv = 2;
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rk3308_pll_div.fbdiv = 150;
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rk3308_pll_div.postdiv1 = 2;
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rk3308_pll_div.postdiv2 = 1;
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rk3308_pll_div.frac = 0x872B02;
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rk3308_pll_div.dsmpd = 0;
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pll_set(VPLL1, priv, &rk3308_pll_div);
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if (params_priv->ddr_timing_t.freq == 393) {
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/* set vpll0 in 786.432MHz vco = 3.146GHz */
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rk3308_pll_div.refdiv = 2;
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rk3308_pll_div.fbdiv = 262;
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rk3308_pll_div.postdiv1 = 4;
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rk3308_pll_div.postdiv2 = 1;
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rk3308_pll_div.frac = 0x24DD2F;
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rk3308_pll_div.dsmpd = 0;
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} else {
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/* set vpll0 in 1179.648MHz, vco = 2.359GHz*/
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rk3308_pll_div.refdiv = 2;
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rk3308_pll_div.fbdiv = 196;
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rk3308_pll_div.postdiv1 = 2;
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rk3308_pll_div.postdiv2 = 1;
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rk3308_pll_div.frac = 0x9BA5E3;
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rk3308_pll_div.dsmpd = 0;
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}
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pll_set(VPLL0, priv, &rk3308_pll_div);
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if (params_priv->ddr_timing_t.freq == 800) {
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ddr_pll_sel = 0;
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ddr_phy_div_con = 0;
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} else if (params_priv->ddr_timing_t.freq == 589) {
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ddr_pll_sel = 1;
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ddr_phy_div_con = 0;
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} else if (params_priv->ddr_timing_t.freq == 451) {
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ddr_pll_sel = 2;
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ddr_phy_div_con = 0;
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} else if (params_priv->ddr_timing_t.freq == 393) {
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ddr_pll_sel = 1;
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ddr_phy_div_con = 0;
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} else if (params_priv->ddr_timing_t.freq == 294) {
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ddr_pll_sel = 1;
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ddr_phy_div_con = 1;
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} else if (params_priv->ddr_timing_t.freq == 225) {
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ddr_pll_sel = 2;
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ddr_phy_div_con = 1;
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} else {
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printascii("err\n");
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while (1)
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;
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}
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/* dpll default set in 1300MHz */
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if (params_priv->ddr_timing_t.freq == 800) {
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/* set dpll in 1584 MHz ,vco=3.168G*/
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rk3308_pll_div.refdiv = 1;
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rk3308_pll_div.fbdiv = 132;
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rk3308_pll_div.postdiv1 = 2;
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rk3308_pll_div.postdiv2 = 1;
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rk3308_pll_div.frac = 0;
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rk3308_pll_div.dsmpd = 1;
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} else {
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/* 1300000000,vco = 1.3GHz */
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rk3308_pll_div.refdiv = 6;
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rk3308_pll_div.fbdiv = 325;
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rk3308_pll_div.postdiv1 = 1;
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rk3308_pll_div.postdiv2 = 1;
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rk3308_pll_div.frac = 0;
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rk3308_pll_div.dsmpd = 1;
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}
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pll_set(DPLL, priv, &rk3308_pll_div);
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/* set ddrphy freq */
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rk_clrsetreg(&priv->cru->clksel_con[1],
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DDRPHY4X_PLL_CLK_SEL_MASK | DDRPHY4X_DIV_CON_MASK,
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ddr_pll_sel << DDRPHY4X_PLL_CLK_SEL_SHIFT |
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ddr_phy_div_con << DDRPHY4X_DIV_CON_SIHFT);
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/* set aclk_bus 216.7MHz */
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rk_clrsetreg(&priv->cru->clksel_con[5],
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A_H_PCLK_BUS_PLL_SEL_MASK | ACLK_BUS_DIV_CON_MASK,
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A_H_PCLK_BUS_PLL_SEL_DPLL << A_H_PCLK_BUS_PLL_SEL_SHIFT |
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ACLK_BUS_DIV_CON_5 << ACLK_BUS_DIV_CON_SHIFT);
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/* set pclk_bus 50MHz,hclk_bus 92.857MHz */
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rk_clrsetreg(&priv->cru->clksel_con[6],
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PCLK_BUS_DIV_CON_MASK | HCLK_BUS_DIV_CON_MASK,
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PCLK_BUS_DIV_CON_25 << PCLK_BUS_DIV_CON_SHIFT |
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HCLK_BUS_DIV_CON_13 << HCLK_BUS_DIV_CON_SHIFT);
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/* set crypto 92.857MHz,crypto_apk 92.857MHz */
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rk_clrsetreg(&priv->cru->clksel_con[7],
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CLK_CRYPTO_APK_SEL_MASK | CLK_CRYPTO_APK_DIV_MASK |
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CLK_CRYPTO_PLL_SEL_MASK | CLK_CRYPTO_DIV_CON_MASK,
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CLK_CRYPTO_APK_SEL_DPLL << CLK_CRYPTO_APK_SEL_SHIFT |
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CLK_CRYPTO_APK_DIV_13 << CLK_CRYPTO_APK_DIV_SHIFT |
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CLK_CRYPTO_PLL_SEL_DPLL << CLK_CRYPTO_PLL_SEL_SHIFT |
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CLK_CRYPTO_DIV_CON_13 << CLK_CRYPTO_DIV_CON_SHIFT);
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/* set aclk_peri 216.7MHz */
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rk_clrsetreg(&priv->cru->clksel_con[36],
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A_H_P_PERI_PLL_SEL_MASK | ACLK_PERI_DIV_CON_MASK,
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A_H_P_PERI_PLL_SEL_DPLL << A_H_P_PERI_PLL_SEL_SHIFT |
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ACLK_PERI_DIV_CON_5 << ACLK_PERI_DIV_CON_SHIFT);
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/* set hclk_peri 92.857MHz,pclk_peri 46.428MHz */
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rk_clrsetreg(&priv->cru->clksel_con[37],
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PCLK_PERI_DIV_CON_MASK | HCLK_PERI_DIV_CON_MASK,
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PCLK_PERI_DIV_CON_27 << PCLK_PERI_DIV_CON_SHIFT |
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HCLK_PERI_DIV_CON_13 << HCLK_PERI_DIV_CON_SHIFT);
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/* set NANDC 92.857MHz */
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rk_clrsetreg(&priv->cru->clksel_con[38],
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CLK_NANDC_PLL_SEL_MASK |
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CLK_NANDC_DIV_CON_MASK,
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CLK_NANDC_PLL_SEL_DPLL << CLK_NANDC_PLL_SEL_SHIFT |
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CLK_NANDC_DIV_CON_13 << CLK_NANDC_DIV_CON_SHIFT);
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/* set SDMMC 46.4/(internal freq_div 2)=23.2MHz */
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rk_clrsetreg(&priv->cru->clksel_con[39],
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CLK_SDMMC_PLL_SEL_MASK |
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CLK_SDMMC_DIV_CON_MASK,
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CLK_SDMMC_PLL_SEL_DPLL << CLK_SDMMC_PLL_SEL_SHIFT |
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CLK_SDMMC_DIV_CON_27 << CLK_SDMMC_DIV_CON_SHIFT);
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/* set emmc 46.4/(internal freq_div 2)=23.2MHz */
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rk_clrsetreg(&priv->cru->clksel_con[41],
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CLK_EMMC_PLL_SEL_MASK |
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CLK_EMMC_DIV_CON_MASK,
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CLK_EMMC_PLL_SEL_DPLL << CLK_EMMC_PLL_SEL_SHIFT |
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CLK_EMMC_DIV_CON_27 << CLK_EMMC_DIV_CON_SHIFT);
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/* set SFC 24.07/(internal freq_div 2)=12.0MHz */
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rk_clrsetreg(&priv->cru->clksel_con[42],
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CLK_SFC_PLL_SEL_MASK | CLK_SFC_DIV_CON_MASK,
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CLK_SFC_PLL_SEL_DPLL << CLK_SFC_PLL_SEL_SHIFT |
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CLK_SFC_DIV_CON_53 << CLK_SFC_DIV_CON_SHIFT);
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#if defined(CONFIG_DPLL_FREQ_1200MHZ)
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/*vco=1.2GHz*/
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rk3308_pll_div.refdiv = 2;
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rk3308_pll_div.fbdiv = 100;
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rk3308_pll_div.postdiv1 = 1;
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rk3308_pll_div.postdiv2 = 1;
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rk3308_pll_div.frac = 0;
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/* set dpll in 1200 MHz */
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pll_set(DPLL, priv, &rk3308_pll_div);
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/* set aclk_bus 200MHz */
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rk_clrsetreg(&priv->cru->clksel_con[5],
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A_H_PCLK_BUS_PLL_SEL_MASK | ACLK_BUS_DIV_CON_MASK,
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A_H_PCLK_BUS_PLL_SEL_DPLL << A_H_PCLK_BUS_PLL_SEL_SHIFT |
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ACLK_BUS_DIV_CON_5 << ACLK_BUS_DIV_CON_SHIFT);
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/* set pclk_bus 46.15MHz,hclk_bus 100MHz */
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rk_clrsetreg(&priv->cru->clksel_con[6],
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PCLK_BUS_DIV_CON_MASK | HCLK_BUS_DIV_CON_MASK,
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PCLK_BUS_DIV_CON_25 << PCLK_BUS_DIV_CON_SHIFT |
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HCLK_BUS_DIV_CON_11 << HCLK_BUS_DIV_CON_SHIFT);
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/* set crypto,crypto_apk 100MHz */
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rk_clrsetreg(&priv->cru->clksel_con[7],
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CLK_CRYPTO_APK_SEL_MASK | CLK_CRYPTO_APK_DIV_MASK |
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CLK_CRYPTO_PLL_SEL_MASK | CLK_CRYPTO_DIV_CON_MASK,
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CLK_CRYPTO_APK_SEL_DPLL << CLK_CRYPTO_APK_SEL_SHIFT |
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CLK_CRYPTO_APK_DIV_11 << CLK_CRYPTO_APK_DIV_SHIFT |
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CLK_CRYPTO_PLL_SEL_DPLL << CLK_CRYPTO_PLL_SEL_SHIFT |
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CLK_CRYPTO_DIV_CON_11 << CLK_CRYPTO_DIV_CON_SHIFT);
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/* set aclk_peri 200MHz */
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rk_clrsetreg(&priv->cru->clksel_con[36],
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A_H_P_PERI_PLL_SEL_MASK | ACLK_PERI_DIV_CON_MASK,
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A_H_P_PERI_PLL_SEL_DPLL << A_H_P_PERI_PLL_SEL_SHIFT |
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ACLK_PERI_DIV_CON_5 << ACLK_PERI_DIV_CON_SHIFT);
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/* set hclk_peri 100MHz,pclk_peri 50MHz */
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rk_clrsetreg(&priv->cru->clksel_con[37],
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PCLK_PERI_DIV_CON_MASK | HCLK_PERI_DIV_CON_MASK,
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PCLK_PERI_DIV_CON_23 << PCLK_PERI_DIV_CON_SHIFT |
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HCLK_PERI_DIV_CON_11 << HCLK_PERI_DIV_CON_SHIFT);
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/* set NANDC 100MHz */
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rk_clrsetreg(&priv->cru->clksel_con[38],
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CLK_NANDC_PLL_SEL_MASK |
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CLK_NANDC_DIV_CON_MASK,
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CLK_NANDC_PLL_SEL_DPLL << CLK_NANDC_PLL_SEL_SHIFT |
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CLK_NANDC_DIV_CON_11 << CLK_NANDC_DIV_CON_SHIFT);
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/* set SDMMC 50MHz */
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rk_clrsetreg(&priv->cru->clksel_con[39],
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CLK_SDMMC_PLL_SEL_MASK |
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CLK_SDMMC_DIV_CON_MASK,
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CLK_SDMMC_PLL_SEL_DPLL << CLK_SDMMC_PLL_SEL_SHIFT |
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CLK_SDMMC_DIV_CON_23 << CLK_SDMMC_DIV_CON_SHIFT);
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/* set emmc 50MHz */
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rk_clrsetreg(&priv->cru->clksel_con[41],
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CLK_EMMC_PLL_SEL_MASK |
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CLK_EMMC_DIV_CON_MASK,
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CLK_EMMC_PLL_SEL_DPLL << CLK_EMMC_PLL_SEL_SHIFT |
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CLK_EMMC_DIV_CON_23 << CLK_EMMC_DIV_CON_SHIFT);
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/* set SFC 24MHz */
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rk_clrsetreg(&priv->cru->clksel_con[42],
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CLK_SFC_PLL_SEL_MASK | CLK_SFC_DIV_CON_MASK,
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CLK_SFC_PLL_SEL_DPLL << CLK_SFC_PLL_SEL_SHIFT |
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CLK_SFC_DIV_CON_49 << CLK_SFC_DIV_CON_SHIFT);
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#elif defined(CONFIG_DPLL_FREQ_748MHZ)
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/*vco=1.5GHz*/
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rk3308_pll_div.refdiv = 6;
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rk3308_pll_div.fbdiv = 374;
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rk3308_pll_div.postdiv1 = 2;
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rk3308_pll_div.postdiv2 = 1;
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rk3308_pll_div.frac = 0;
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/* set dpll in 748 MHz */
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pll_set(DPLL, priv, &rk3308_pll_div);
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/* set aclk_bus 187MHz */
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rk_clrsetreg(&priv->cru->clksel_con[5],
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A_H_PCLK_BUS_PLL_SEL_MASK | ACLK_BUS_DIV_CON_MASK,
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A_H_PCLK_BUS_PLL_SEL_DPLL << A_H_PCLK_BUS_PLL_SEL_SHIFT |
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ACLK_BUS_DIV_CON_3 << ACLK_BUS_DIV_CON_SHIFT);
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/* set pclk_bus 46.75MHz,hclk_bus 93.5MHz */
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rk_clrsetreg(&priv->cru->clksel_con[6],
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PCLK_BUS_DIV_CON_MASK | HCLK_BUS_DIV_CON_MASK,
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PCLK_BUS_DIV_CON_15 << PCLK_BUS_DIV_CON_SHIFT |
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HCLK_BUS_DIV_CON_7 << HCLK_BUS_DIV_CON_SHIFT);
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/* set crypto,crypto_apk 93.5MHz */
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rk_clrsetreg(&priv->cru->clksel_con[7],
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CLK_CRYPTO_APK_SEL_MASK | CLK_CRYPTO_APK_DIV_MASK |
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CLK_CRYPTO_PLL_SEL_MASK | CLK_CRYPTO_DIV_CON_MASK,
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CLK_CRYPTO_APK_SEL_DPLL << CLK_CRYPTO_APK_SEL_SHIFT |
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CLK_CRYPTO_APK_DIV_7 << CLK_CRYPTO_APK_DIV_SHIFT |
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CLK_CRYPTO_PLL_SEL_DPLL << CLK_CRYPTO_PLL_SEL_SHIFT |
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CLK_CRYPTO_DIV_CON_7 << CLK_CRYPTO_DIV_CON_SHIFT);
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/* set aclk_peri 187MHz */
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rk_clrsetreg(&priv->cru->clksel_con[36],
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A_H_P_PERI_PLL_SEL_MASK | ACLK_PERI_DIV_CON_MASK,
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A_H_P_PERI_PLL_SEL_DPLL << A_H_P_PERI_PLL_SEL_SHIFT |
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ACLK_PERI_DIV_CON_3 << ACLK_PERI_DIV_CON_SHIFT);
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/* set hclk_peri 93.5MHz,pclk_peri 46.75MHz */
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rk_clrsetreg(&priv->cru->clksel_con[37],
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PCLK_PERI_DIV_CON_MASK | HCLK_PERI_DIV_CON_MASK,
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PCLK_PERI_DIV_CON_15 << PCLK_PERI_DIV_CON_SHIFT |
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HCLK_PERI_DIV_CON_7 << HCLK_PERI_DIV_CON_SHIFT);
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/* set NANDC 93.5MHz */
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rk_clrsetreg(&priv->cru->clksel_con[38],
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CLK_NANDC_PLL_SEL_MASK |
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CLK_NANDC_DIV_CON_MASK,
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CLK_NANDC_SEL50_ALWAYS << CLK_NANDC_SEL50_SHIFT |
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CLK_NANDC_PLL_SEL_DPLL << CLK_NANDC_PLL_SEL_SHIFT |
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CLK_NANDC_DIV_CON_7 << CLK_NANDC_DIV_CON_SHIFT);
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/* set NANDC 46.75MHz */
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rk_clrsetreg(&priv->cru->clksel_con[39],
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CLK_SDMMC_PLL_SEL_MASK |
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CLK_SDMMC_DIV_CON_MASK,
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CLK_SDMMC_PLL_SEL_DPLL << CLK_SDMMC_PLL_SEL_SHIFT |
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CLK_SDMMC_DIV_CON_15 << CLK_SDMMC_DIV_CON_SHIFT);
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/* set emmc 46.75MHz */
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rk_clrsetreg(&priv->cru->clksel_con[41],
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CLK_EMMC_PLL_SEL_MASK |
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CLK_EMMC_DIV_CON_MASK,
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CLK_EMMC_PLL_SEL_DPLL << CLK_EMMC_PLL_SEL_SHIFT |
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CLK_EMMC_DIV_CON_15 << CLK_EMMC_DIV_CON_SHIFT);
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/* set SFC 23.375MHz */
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rk_clrsetreg(&priv->cru->clksel_con[42],
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CLK_SFC_PLL_SEL_MASK | CLK_SFC_DIV_CON_MASK,
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CLK_SFC_PLL_SEL_DPLL << CLK_SFC_PLL_SEL_SHIFT |
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CLK_SFC_DIV_CON_31 << CLK_SFC_DIV_CON_SHIFT);
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#endif
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/* set spdif tx lower than 100Mhz */
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rk_clrsetreg(&priv->cru->clksel_con[48],
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CLK_SPDIFTX_DIV_CON_MASK,
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CLK_SPDIFTX_DIV_CON_15 << CLK_SPDIFTX_DIV_CON_SHIFT);
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if (UART_INFO_ID(ddr_gd.head_info.g_uart_info) < 5)
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uart_div[UART_INFO_ID(ddr_gd.head_info.g_uart_info)] = 0;
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/* set uart0~4 lower than 100Mhz */
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rk_clrsetreg(&priv->cru->clksel_con[10],
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CLK_UART0_DIV_CON_MASK,
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uart_div[0] << CLK_UART0_DIV_CON_SHIFT);
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rk_clrsetreg(&priv->cru->clksel_con[13],
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CLK_UART1_DIV_CON_MASK,
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uart_div[1] << CLK_UART1_DIV_CON_SHIFT);
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rk_clrsetreg(&priv->cru->clksel_con[16],
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CLK_UART2_DIV_CON_MASK,
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uart_div[2] << CLK_UART2_DIV_CON_SHIFT);
|
rk_clrsetreg(&priv->cru->clksel_con[19],
|
CLK_UART3_DIV_CON_MASK,
|
uart_div[3] << CLK_UART3_DIV_CON_SHIFT);
|
rk_clrsetreg(&priv->cru->clksel_con[22],
|
CLK_UART4_DIV_CON_MASK,
|
uart_div[4] << CLK_UART4_DIV_CON_SHIFT);
|
|
/* pll clk in pll out */
|
rk_clrsetreg(&priv->cru->mode, VPLL1_WORK_MODE_MASK,
|
VPLL1_WORK_MODE_PLL << VPLL1_WORK_MODE_SHIFT);
|
rk_clrsetreg(&priv->cru->mode, VPLL0_WORK_MODE_MASK,
|
VPLL0_WORK_MODE_PLL << VPLL0_WORK_MODE_SHIFT);
|
rk_clrsetreg(&priv->cru->mode, DPLL_WORK_MODE_MASK,
|
DPLL_WORK_MODE_PLL << DPLL_WORK_MODE_SHIFT);
|
}
|
|
void phy_pctrl_reset_cru(struct dram_info *priv)
|
{
|
rk_clrsetreg(&priv->cru->softrst_con[1],
|
PRESETN_DDRPHY_REQ_MASK | RESETN_DDRPHYDIV_REQ_MASK |
|
RESETN_DDRPHY_REQ_MASK | PRESETN_DDRUPCTL_REQ_MASK |
|
RESETN_DDRUPCTL_REQ_MASK,
|
PRESETN_DDRPHY_REQ_EN << PRESETN_DDRPHY_REQ_SHIFT |
|
RESETN_DDRPHYDIV_REQ_EN << RESETN_DDRPHYDIV_REQ_SHIFT |
|
RESETN_DDRPHY_REQ_EN << RESETN_DDRPHY_REQ_SHIFT |
|
PRESETN_DDRUPCTL_REQ_EN << PRESETN_DDRUPCTL_REQ_SHIFT |
|
RESETN_DDRUPCTL_REQ_EN << RESETN_DDRUPCTL_REQ_SHIFT);
|
udelay(10);
|
|
rk_clrsetreg(&priv->cru->softrst_con[1],
|
PRESETN_DDRPHY_REQ_MASK | RESETN_DDRPHYDIV_REQ_MASK |
|
RESETN_DDRPHY_REQ_MASK,
|
PRESETN_DDRPHY_REQ_DIS << PRESETN_DDRPHY_REQ_SHIFT |
|
RESETN_DDRPHYDIV_REQ_DIS << RESETN_DDRPHYDIV_REQ_SHIFT |
|
RESETN_DDRPHY_REQ_DIS << RESETN_DDRPHY_REQ_SHIFT);
|
udelay(10);
|
|
rk_clrsetreg(&priv->cru->softrst_con[1],
|
PRESETN_DDRUPCTL_REQ_MASK | RESETN_DDRUPCTL_REQ_MASK,
|
PRESETN_DDRUPCTL_REQ_DIS << PRESETN_DDRUPCTL_REQ_SHIFT |
|
RESETN_DDRUPCTL_REQ_DIS << RESETN_DDRUPCTL_REQ_SHIFT);
|
udelay(10);
|
}
|
|
void pctl_cfg_grf(struct dram_info *priv,
|
struct sdram_params *params_priv)
|
{
|
if (params_priv->ddr_config_t.ddr_type == DDR3 ||
|
params_priv->ddr_config_t.ddr_type == DDR2)
|
rk_clrsetreg(&priv->grf->soc_con12, NOC_MSCH_MAINDDR3_MASK,
|
NOC_MSCH_MAINDDR3_EN << NOC_MSCH_MAINDDR3_SHIFT);
|
else
|
rk_clrsetreg(&priv->grf->soc_con12, NOC_MSCH_MAINDDR3_MASK,
|
NOC_MSCH_MAINDDR3_DIS << NOC_MSCH_MAINDDR3_SHIFT);
|
}
|
|
void ddr_msch_cfg(struct dram_info *priv,
|
struct sdram_params *params_priv)
|
{
|
writel(BWRATIO_HALF_BW | params_priv->ddr_timing_t.noc_timing.d32,
|
&priv->service_msch->ddrtiming);
|
writel(params_priv->ddr_timing_t.readlatency,
|
&priv->service_msch->readlatency);
|
}
|
|
void ddr_msch_cfg_rbc(struct sdram_params *params_priv,
|
struct dram_info *priv)
|
{
|
int i = 0;
|
|
if (params_priv->ddr_config_t.bank == 3) {
|
/* bank = 8 */
|
if (params_priv->ddr_config_t.col == 10)
|
i = 1;
|
else if (params_priv->ddr_config_t.col == 11)
|
i = 2;
|
else
|
goto msch_err;
|
|
} else if (params_priv->ddr_config_t.bank == 2) {
|
/* bank = 4 */
|
i = 0;
|
} else {
|
goto msch_err;
|
}
|
|
writel(i, &priv->service_msch->ddrconf);
|
return;
|
|
msch_err:
|
printascii("msch_err\n");
|
while (1)
|
;
|
}
|
|
void ddr_phy_skew_cfg(struct dram_info *priv)
|
{
|
copy_to_reg(&priv->phy->phy_reg_ca_skew[0],
|
&ddr_gd.ddr_skew.a0_a1_skew[0], 14 * 4);
|
copy_to_reg(&priv->phy->phy_reg_skew_cs0data[0],
|
&ddr_gd.ddr_skew.cs0_dm0_skew[0], 22 * 4);
|
|
writel(PHY_TX_DE_SKEW_EN << PHY_TX_DE_SKEW_SHIFT,
|
&priv->phy->phy_reg2);
|
}
|
|
void set_ds_odt(struct dram_info *priv,
|
struct sdram_params *params_priv)
|
{
|
/* set phy drive resistance */
|
writel(PHY_RON_RTT_56OHM, &priv->phy->phy_reg11);
|
clrsetbits_le32(&priv->phy->phy_reg12, CMD_PRCOMP_MASK,
|
PHY_RON_RTT_56OHM << CMD_PRCOMP_SHIFT);
|
|
writel(PHY_RON_RTT_45OHM, &priv->phy->phy_reg16);
|
writel(PHY_RON_RTT_45OHM, &priv->phy->phy_reg18);
|
writel(PHY_RON_RTT_56OHM, &priv->phy->phy_reg20);
|
writel(PHY_RON_RTT_56OHM, &priv->phy->phy_reg2f);
|
writel(PHY_RON_RTT_56OHM, &priv->phy->phy_reg30);
|
writel(PHY_RON_RTT_56OHM, &priv->phy->phy_reg3f);
|
if (params_priv->ddr_config_t.ddr_type == LPDDR2) {
|
writel(PHY_RON_RTT_DISABLE, &priv->phy->phy_reg21);
|
writel(PHY_RON_RTT_DISABLE, &priv->phy->phy_reg2e);
|
writel(PHY_RON_RTT_DISABLE, &priv->phy->phy_reg31);
|
writel(PHY_RON_RTT_DISABLE, &priv->phy->phy_reg3e);
|
} else {
|
if (params_priv->ddr_timing_t.freq >
|
DDR3_DDR2_ODT_DISABLE_FREQ) {
|
/*set phy odt*/
|
writel(PHY_RON_RTT_225OHM, &priv->phy->phy_reg21);
|
writel(PHY_RON_RTT_225OHM, &priv->phy->phy_reg2e);
|
writel(PHY_RON_RTT_225OHM, &priv->phy->phy_reg31);
|
writel(PHY_RON_RTT_225OHM, &priv->phy->phy_reg3e);
|
} else {
|
/*disable phy odt*/
|
writel(PHY_RON_RTT_DISABLE, &priv->phy->phy_reg21);
|
writel(PHY_RON_RTT_DISABLE, &priv->phy->phy_reg2e);
|
writel(PHY_RON_RTT_DISABLE, &priv->phy->phy_reg31);
|
writel(PHY_RON_RTT_DISABLE, &priv->phy->phy_reg3e);
|
}
|
}
|
}
|
|
void ddr_phy_dqs_rx_dll_cfg(struct dram_info *priv, u32 freq)
|
{
|
if (freq > 736) {
|
/* 22.5 degree delay */
|
writel(LEFT_CHN_A_READ_DQS_22_5_DELAY, &priv->phy->phy_reg28);
|
writel(RIGHT_CHN_A_READ_DQS_22_5_DELAY, &priv->phy->phy_reg38);
|
} else {
|
/* 45 degree delay */
|
writel(LEFT_CHN_A_READ_DQS_45_DELAY, &priv->phy->phy_reg28);
|
writel(RIGHT_CHN_A_READ_DQS_45_DELAY, &priv->phy->phy_reg38);
|
}
|
}
|
|
void ddr_msch_get_max_col(struct dram_info *priv,
|
struct ddr_schedule *sch_priv)
|
{
|
writel(2, &priv->service_msch->ddrconf);
|
sch_priv->col = 11;
|
sch_priv->bank = 3;
|
}
|
|
void ddr_msch_get_max_row(struct dram_info *priv,
|
struct ddr_schedule *sch_priv)
|
{
|
writel(1, &priv->service_msch->ddrconf);
|
sch_priv->row = 15;
|
sch_priv->col = 10;
|
sch_priv->bank = 3;
|
}
|
|
void enable_ddr_standby(struct dram_info *priv,
|
struct sdram_params *params_priv)
|
{
|
rk_clrsetreg(&priv->grf->upctl_con0, CYSYREQ_UPCTL_DDRSTDBY_MASK,
|
CYSYREQ_UPCTL_DDRSTDBY_EN <<
|
CYSYREQ_UPCTL_DDRSTDBY_SHIFT);
|
|
/* CG_EXIT_TH is equal phy dll lock time when we gate phy 4x clk */
|
writel(CG_EXIT_TH << CG_EXIT_TH_SHIFT, &priv->standby->con1);
|
|
if (params_priv->stdby_idle == 128) {
|
if (params_priv->ddr_timing_t.freq == 451)
|
params_priv->stdby_idle = 105;
|
else if (params_priv->ddr_timing_t.freq == 393)
|
params_priv->stdby_idle = 10;
|
}
|
writel(params_priv->stdby_idle << IDLE_TH_SHIFT |
|
DDRPHY4X_GATE_EN << DDRPHY4X_GATE_SHIFT |
|
UPCTL_CORE_CLK_GATE_EN << UPCTL_CORE_CLK_GATE_SHIFT |
|
UPCTL_ACLK_GATE_EN << UPCTL_ACLK_GATE_SHIFT |
|
CTL_IDLR_EN << CTL_IDLR_SHIFT |
|
STDBY_EN << STDBY_EN_SHIFT, &priv->standby->con0);
|
|
while (1) {
|
if ((readl(&priv->standby->status0) &
|
STDBY_STATUS_MASK) == ST_STDBY) {
|
break;
|
}
|
}
|
}
|
|
void ddr_set_atags(void)
|
{
|
struct tag_serial t_serial;
|
|
memset(&t_serial, 0, sizeof(struct tag_serial));
|
#ifdef CONFIG_DRAM_INIT_BUILD
|
u32 uart_info;
|
|
t_serial.version = 0;
|
uart_info = ddr_gd.head_info.g_uart_info;
|
if (UART_INFO_ID(uart_info) >= MAX_UART_NUMBER_) {
|
t_serial.enable = 0;
|
} else {
|
t_serial.enable = 1;
|
t_serial.baudrate = UART_INFO_BAUD(uart_info);
|
t_serial.m_mode = UART_INFO_IOMUX(uart_info);
|
t_serial.id = UART_INFO_ID(uart_info);
|
if (UART_INFO_ID(uart_info) == 0)
|
t_serial.addr = UART0_BASE;
|
else if (UART_INFO_ID(uart_info) == 1)
|
t_serial.addr = UART1_BASE;
|
else if (UART_INFO_ID(uart_info) == 2)
|
t_serial.addr = UART2_BASE;
|
else if (UART_INFO_ID(uart_info) == 3)
|
t_serial.addr = UART3_BASE;
|
else
|
t_serial.addr = UART4_BASE;
|
}
|
#else
|
/* set serial data to &t_serial */
|
#if defined(CONFIG_DEBUG_UART_BASE)
|
t_serial.version = 0;
|
t_serial.enable = 1;
|
t_serial.addr = CONFIG_DEBUG_UART_BASE;
|
t_serial.baudrate = CONFIG_BAUDRATE;
|
|
#if (CONFIG_DEBUG_UART_BASE == 0xFF0A0000)
|
/* uart0 as debug uart */
|
t_serial.m_mode = SERIAL_M_MODE_M0;
|
t_serial.id = 0;
|
#elif (CONFIG_DEBUG_UART_BASE == 0xFF0B0000)
|
/* uart1 as debug uart */
|
t_serial.m_mode = SERIAL_M_MODE_M0;
|
t_serial.id = 1;
|
#elif (CONFIG_DEBUG_UART_BASE == 0xFF0C0000)
|
#if (CONFIG_ROCKCHIP_UART_MUX_SEL_M == 0)
|
t_serial.m_mode = SERIAL_M_MODE_M0;
|
#elif (CONFIG_ROCKCHIP_UART_MUX_SEL_M == 1)
|
/* uart2 m1 as debug uart */
|
t_serial.m_mode = SERIAL_M_MODE_M1;
|
#else
|
#error "Please select M0 or M1 for uart2 !!!"
|
#endif
|
t_serial.id = 2;
|
#elif (CONFIG_DEBUG_UART_BASE == 0xFF0D0000)
|
/* uart3 as debug uart */
|
t_serial.m_mode = SERIAL_M_MODE_M0;
|
t_serial.id = 3;
|
#elif (CONFIG_DEBUG_UART_BASE == 0xFF0E0000)
|
/* uart4 as debug uart */
|
t_serial.m_mode = SERIAL_M_MODE_M0;
|
t_serial.id = 4;
|
#else
|
#error "Please select proper uart as debug uart !!!"
|
#endif
|
|
#endif /* defined(CONFIG_DEBUG_UART_BASE) */
|
#endif /* CONFIG_DRAM_INIT_BUILD */
|
|
/* First pre-loader must call it before atags_set_tag() */
|
atags_destroy();
|
atags_set_tag(ATAG_SERIAL, &t_serial);
|
}
|
|
static void modify_sdram_params(struct dram_info *priv,
|
struct sdram_params *params_priv)
|
{
|
u32 tmp = 0;
|
u32 bw = 1;
|
u32 nMHz = params_priv->ddr_timing_t.freq;
|
|
size_t size = 1llu << (bw +
|
params_priv->ddr_config_t.col +
|
params_priv->ddr_config_t.cs0_row +
|
params_priv->ddr_config_t.bank);
|
|
move_to_config_state(priv);
|
switch (params_priv->ddr_config_t.ddr_type) {
|
case DDR2:
|
if (size <= 0x4000000)
|
tmp = DDR2_TRFC_512MBIT;
|
else if (size <= 0x8000000)
|
tmp = DDR2_TRFC_1GBIT;
|
else if (size <= 0x10000000)
|
tmp = DDR2_TRFC_2GBIT;
|
else
|
tmp = DDR2_TRFC_4GBIT;
|
|
priv->pctl->trfc = (tmp * nMHz + 999) / 1000;
|
tmp = (((tmp + 10) * nMHz + 999) / 1000);
|
if (tmp < 200)
|
tmp = 200;
|
priv->pctl->texsr = tmp & 0x3FF;
|
break;
|
case DDR3:
|
if (size <= 0x4000000)
|
tmp = DDR3_TRFC_512MBIT;
|
else if (size <= 0x8000000)
|
tmp = DDR3_TRFC_1GBIT;
|
else if (size <= 0x10000000)
|
tmp = DDR3_TRFC_2GBIT;
|
else if (size <= 0x20000000)
|
tmp = DDR3_TRFC_4GBIT;
|
else
|
tmp = DDR3_TRFC_8GBIT;
|
priv->pctl->trfc = (tmp * nMHz + 999) / 1000;
|
break;
|
case LPDDR2:
|
if (size <= 0x4000000)
|
tmp = LPDDR2_TREC_512MBIT;
|
else if (size <= 0x20000000)
|
tmp = LPDDR2_TRFC_4GBIT;
|
else
|
tmp = LPDDR2_TRFC_8GBIT;
|
|
priv->pctl->trfc = (tmp * nMHz + 999) / 1000;
|
tmp = (((tmp + 10) * nMHz + 999) / 1000);
|
if (tmp < 2)
|
tmp = 2;
|
priv->pctl->texsr = tmp & 0x3FF;
|
break;
|
}
|
move_to_access_state(priv);
|
}
|
|
int check_rd_gate(struct dram_info *priv)
|
{
|
u32 max_val = 0;
|
u32 min_val = 0xff;
|
u32 gate[2];
|
|
gate[0] = readl(&priv->phy->phy_regfb);
|
gate[1] = readl(&priv->phy->phy_regfc);
|
max_val = max(gate[0], gate[1]);
|
min_val = min(gate[0], gate[1]);
|
|
if (max_val > 0x80 || min_val < 0x20)
|
return -1;
|
else
|
return 0;
|
}
|
|
static u32 dram_test(u32 i, u32 dqs)
|
{
|
for (phys_addr_t j = 4 * dqs; j < 0x2000; j += 8)
|
writel(PATTERN + i, j);
|
|
for (phys_addr_t j = 4 * dqs; j < 0x2000; j += 8)
|
if ((PATTERN + i) != readl(j))
|
return 1;
|
|
return 0;
|
}
|
|
/**
|
* modify_data_training() - Setting DQS gating calibration bypass,
|
* scanning data training range and then select center one.
|
*/
|
#define PHY_REG3C(n) (0x10 * (n))
|
|
void modify_data_training(struct dram_info *priv,
|
struct sdram_params *params_priv)
|
{
|
u32 value = 0;
|
u32 i = 0, dqs = 0;
|
u32 max_value = 0, min_value = 0;
|
|
writel(readl(&priv->phy->phy_regfb), &priv->phy->phy_reg2c);
|
writel(readl(&priv->phy->phy_regfc), &priv->phy->phy_reg3c);
|
|
/* DQS gating calibration bypass */
|
setbits_le32(&priv->phy->phy_reg2, BIT(1));
|
|
/* rk3308 only support DQS0, DQS1 */
|
for (dqs = 0; dqs < 2; dqs++) {
|
value = readl(&priv->phy->phy_regfb + dqs);
|
i = 0;
|
while (dram_test(i, dqs) == 0) {
|
i++;
|
writel(value + i,
|
&priv->phy->phy_reg2c + PHY_REG3C(dqs));
|
}
|
max_value = value + i - 1;
|
|
i = 1;
|
writel(value - i, &priv->phy->phy_reg2c + PHY_REG3C(dqs));
|
while (dram_test(i, dqs) == 0) {
|
i++;
|
writel(value - i,
|
&priv->phy->phy_reg2c + PHY_REG3C(dqs));
|
}
|
min_value = value - i + 1;
|
|
/* select center one as gate training result */
|
writel((max_value + min_value + 1) / 2,
|
&priv->phy->phy_reg2c + PHY_REG3C(dqs));
|
}
|
printascii("REG2C: 0x");
|
printhex8(readl(&priv->phy->phy_reg2c));
|
printascii(", 0x");
|
printhex8(readl(&priv->phy->phy_reg3c));
|
printascii("\n");
|
}
|
|
void enable_low_power(struct dram_info *priv,
|
struct sdram_params *params_priv)
|
{
|
move_to_config_state(priv);
|
|
if (params_priv->idle_pd == 48 && params_priv->idle_sr == 10) {
|
if (params_priv->ddr_timing_t.freq == 451) {
|
params_priv->idle_sr = 28;
|
params_priv->idle_pd = 7;
|
} else if (params_priv->ddr_timing_t.freq == 393) {
|
params_priv->idle_sr = 31;
|
params_priv->idle_pd = 15;
|
}
|
}
|
clrsetbits_le32(&priv->pctl->mcfg, PD_IDLE_MASK,
|
params_priv->idle_pd << PD_IDLE_SHIFT);
|
clrsetbits_le32(&priv->pctl->mcfg1,
|
SR_IDLE_MASK | HW_EXIT_IDLE_EN_MASK,
|
params_priv->idle_sr | HW_EXIT_IDLE_EN);
|
|
/* uPCTL in low_power status because of auto self-refresh */
|
writel(GO_STATE, &priv->pctl->sctl);
|
}
|
|
int get_uart_config(void)
|
{
|
return ddr_gd.head_info.g_uart_info;
|
}
|
|
int sdram_init(void)
|
{
|
struct dram_info sdram_priv;
|
struct sdram_params *params = sdram_configs;
|
|
sdram_priv.cru = (void *)CRU_BASE;
|
sdram_priv.grf = (void *)GRF_BASE;
|
sdram_priv.sgrf = (void *)SGRF_BASE;
|
sdram_priv.phy = (void *)DDR_PHY_BASE;
|
sdram_priv.pctl = (void *)DDR_PCTL_BASE;
|
sdram_priv.standby = (void *)DDR_STANDBY_BASE;
|
sdram_priv.pmu = (void *)PMU_BASS_ADDR;
|
sdram_priv.service_msch = (void *)SERVICE_MSCH_BASE;
|
params->idle_pd = PD_INFO(ddr_gd.head_info.g_sr_pd_idle);
|
params->idle_sr = SR_INFO(ddr_gd.head_info.g_sr_pd_idle);
|
params->ddr_2t_en = DDR_2T_INFO(ddr_gd.head_info.g_2t_info);
|
params->stdby_idle = STANDBY_IDLE(ddr_gd.head_info.g_ch_info);
|
|
rv1108_sdram_init(&sdram_priv, params);
|
|
modify_sdram_params(&sdram_priv, params);
|
|
if (params->idle_pd != 0 && params->idle_sr != 0)
|
enable_ddr_standby(&sdram_priv, params);
|
ddr_set_atags();
|
printascii("OUT\n");
|
|
return 0;
|
}
|
|
#else
|
|
/* return: 0 = success, other = fail */
|
int sdram_init(void)
|
{
|
return (-1);
|
}
|
|
#endif /* CONFIG_TPL_BUILD */
|
