PIT: memory setup

Tested and working. Gets us to ramstage.

Change-Id: Ib9ea4a6c912e8152246aaf4f1f084a4aa1626053
Signed-off-by: Ronald G. Minnich <rminnich@google.com>
Signed-off-by: Gabe Black <gabeblack@chromium.org>
Reviewed-on: http://review.coreboot.org/3677
Tested-by: build bot (Jenkins)
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
This commit is contained in:
Ronald G. Minnich 2013-06-03 13:03:50 -07:00 committed by Stefan Reinauer
parent eb9517cce9
commit e6af929661
10 changed files with 734 additions and 727 deletions

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@ -24,6 +24,7 @@
#include "clk.h"
#include "cpu.h"
#include "dp.h"
#include "dmc.h"
#include "setup.h"
void system_clock_init(void)

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@ -93,6 +93,82 @@
/* Distance between each Trust Zone PC register set */
#define TZPC_BASE_OFFSET 0x10000
/* EXYNOS5420 Common*/
#define EXYNOS5420_I2C_SPACING 0x10000
#define EXYNOS5420_GPIO_PART6_BASE 0x03860000
#define EXYNOS5420_PRO_ID 0x10000000
#define EXYNOS5420_CLOCK_BASE 0x10010000
#define EXYNOS5420_POWER_BASE 0x10040000
#define EXYNOS5420_SWRESET 0x10040400
#define EXYNOS5420_SYSREG_BASE 0x10050000
#define EXYNOS5420_WATCHDOG_BASE 0x101D0000
#define EXYNOS5420_DMC_PHY0_BASE 0x10C00000
#define EXYNOS5420_DMC_PHY1_BASE 0x10C10000
#define EXYNOS5420_DMC_DREXI_0 0x10C20000
#define EXYNOS5420_DMC_DREXI_1 0x10C30000
#define EXYNOS5420_DMC_TZASC_0 0x10D40000
#define EXYNOS5420_DMC_TZASC_1 0x10D50000
#define EXYNOS5420_USB_HOST_XHCI_BASE 0x12000000
#define EXYNOS5420_USB3PHY_BASE 0x12100000
#define EXYNOS5420_USB_HOST_EHCI_BASE 0x12110000
#define EXYNOS5420_MMC_BASE 0x12200000
#define EXYNOS5420_SROMC_BASE 0x12250000
#define EXYNOS5420_UART_BASE 0x12C00000
#define EXYNOS5420_I2C_BASE 0x12C60000
#define EXYNOS5420_I2C_8910_BASE 0x12E00000
#define EXYNOS5420_SPI_BASE 0x12D20000
#define EXYNOS5420_I2S_BASE 0x12D60000
#define EXYNOS5420_PWMTIMER_BASE 0x12DD0000
#define EXYNOS5420_SPI_ISP_BASE 0x131A0000
#define EXYNOS5420_GPIO_PART2_BASE 0x13400000
#define EXYNOS5420_GPIO_PART3_BASE 0x13400C00
#define EXYNOS5420_GPIO_PART4_BASE 0x13410000
#define EXYNOS5420_GPIO_PART5_BASE 0x14000000
#define EXYNOS5420_GPIO_PART1_BASE 0x14010000
#define EXYNOS5420_MIPI_DSIM_BASE 0x14500000
#define EXYNOS5420_DP_BASE 0x145B0000
#define EXYNOS5420_INF_REG_BASE 0x10040800
#define EXYNOS5420_USBPHY_BASE DEVICE_NOT_AVAILABLE
#define EXYNOS5420_USBOTG_BASE DEVICE_NOT_AVAILABLE
#define EXYNOS5420_FIMD_BASE DEVICE_NOT_AVAILABLE
#define EXYNOS5420_ADC_BASE DEVICE_NOT_AVAILABLE
#define EXYNOS5420_MODEM_BASE DEVICE_NOT_AVAILABLE
#define ARM_CORE0_CONFIG (EXYNOS5420_POWER_BASE + 0x2000)
#define ARM_CORE0_STATUS (EXYNOS5420_POWER_BASE + 0x2004)
#define CORE_CONFIG_OFFSET 0x80
#define CORE_COUNT 0x8
/*
* POWER
*/
#define PMU_BASE EXYNOS5420_POWER_BASE
#define SW_RST_REG_OFFSET 0x400
#define INF_REG_BASE EXYNOS5420_INF_REG_BASE
#define INF_REG0_OFFSET 0x00
#define INF_REG1_OFFSET 0x04
#define INF_REG2_OFFSET 0x08
#define INF_REG3_OFFSET 0x0C
#define INF_REG4_OFFSET 0x10
#define INF_REG5_OFFSET 0x14
#define INF_REG6_OFFSET 0x18
#define INF_REG7_OFFSET 0x1C
#define PMU_SPARE_BASE (EXYNOS5420_INF_REG_BASE + 0x100)
#define PMU_SPARE_0 PMU_SPARE_BASE
#define PMU_SPARE_1 (PMU_SPARE_BASE + 0x4)
#define PMU_SPARE_2 (PMU_SPARE_BASE + 0x8)
#define PMU_SPARE_3 (PMU_SPARE_BASE + 0xc)
#define RST_FLAG_REG PMU_SPARE_BASE
#define RST_FLAG_VAL 0xfcba0d10
#define PAD_RETENTION_DRAM_STATUS (EXYNOS5420_POWER_BASE + 0x3004)
#define PAD_RETENTION_DRAM_COREBLK_OPTION (EXYNOS5420_POWER_BASE + 0x31E8)
#define PAD_RETENTION_DRAM_COREBLK_VAL 0x10000000
#define samsung_get_base_adc() ((struct exynos5_adc *)EXYNOS5_ADC_BASE)
#define samsung_get_base_clock() ((struct exynos5_clock *)EXYNOS5_CLOCK_BASE)
#define samsung_get_base_ace_sfr() ((struct exynos5_ace_sfr *)EXYNOS5_ACE_SFR_BASE)

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@ -18,17 +18,68 @@
#ifndef CPU_SAMSUNG_EXYNOS5420_DMC_H
#define CPU_SAMSUNG_EXYNOS5420_DMC_H
#define DMC_INTERLEAVE_SIZE 0x1f
/* CONCONTROL register fields */
#define CONCONTROL_DFI_INIT_START_SHIFT 28
#define CONCONTROL_RD_FETCH_SHIFT 12
#define CONCONTROL_RD_FETCH_MASK (0x7 << CONCONTROL_RD_FETCH_SHIFT)
#define CONCONTROL_AREF_EN_SHIFT 5
/* PRECHCONFIG register field */
#define PRECHCONFIG_TP_CNT_SHIFT 24
/* PWRDNCONFIG register field */
#define PWRDNCONFIG_DPWRDN_CYC_SHIFT 0
#define PWRDNCONFIG_DSREF_CYC_SHIFT 16
/* PHY_CON0 register fields */
#define PHY_CON0_T_WRRDCMD_SHIFT 17
#define PHY_CON0_T_WRRDCMD_MASK (0x7 << PHY_CON0_T_WRRDCMD_SHIFT)
#define PHY_CON0_CTRL_DDR_MODE_MASK 0x3
#define PHY_CON0_CTRL_DDR_MODE_SHIFT 11
/* PHY_CON1 register fields */
#define PHY_CON1_RDLVL_RDDATA_ADJ_SHIFT 0
/* PHY_CON12 register fields */
#define PHY_CON12_CTRL_START_POINT_SHIFT 24
#define PHY_CON12_CTRL_INC_SHIFT 16
#define PHY_CON12_CTRL_FORCE_SHIFT 8
#define PHY_CON12_CTRL_START_SHIFT 6
#define PHY_CON12_CTRL_START_MASK (1 << PHY_CON12_CTRL_START_SHIFT)
#define PHY_CON12_CTRL_DLL_ON_SHIFT 5
#define PHY_CON12_CTRL_DLL_ON_MASK (1 << PHY_CON12_CTRL_DLL_ON_SHIFT)
#define PHY_CON12_CTRL_REF_SHIFT 1
/* PHY_CON16 register fields */
#define PHY_CON16_ZQ_MODE_DDS_SHIFT 24
#define PHY_CON16_ZQ_MODE_DDS_MASK (0x7 << PHY_CON16_ZQ_MODE_DDS_SHIFT)
#define PHY_CON16_ZQ_MODE_TERM_SHIFT 21
#define PHY_CON16_ZQ_MODE_TERM_MASK (0x7 << PHY_CON16_ZQ_MODE_TERM_SHIFT)
#define PHY_CON16_ZQ_MODE_NOTERM_MASK (1 << 19)
/* PHY_CON42 register fields */
#define PHY_CON42_CTRL_BSTLEN_SHIFT 8
#define PHY_CON42_CTRL_BSTLEN_MASK (0xff << PHY_CON42_CTRL_BSTLEN_SHIFT)
#define PHY_CON42_CTRL_RDLAT_SHIFT 0
#define PHY_CON42_CTRL_RDLAT_MASK (0x1f << PHY_CON42_CTRL_RDLAT_SHIFT)
#ifndef __ASSEMBLER__
struct exynos5_dmc {
unsigned int concontrol;
unsigned int memcontrol;
unsigned int memconfig0;
unsigned int cgcontrol;
unsigned int memconfig1;
unsigned int directcmd;
unsigned int prechconfig;
unsigned int prechconfig0;
unsigned int phycontrol0;
unsigned char res1[0xc];
unsigned int pwrdnconfig;
unsigned int prechconfig1;
unsigned char res1[0x8];
unsigned int pwrdnconfig; /* 0x0028*/
unsigned int timingpzq;
unsigned int timingref;
unsigned int timingrow;
@ -36,12 +87,12 @@ struct exynos5_dmc {
unsigned int timingpower;
unsigned int phystatus;
unsigned char res2[0x4];
unsigned int chipstatus_ch0;
unsigned int chipstatus_ch0; /* 0x0048 */
unsigned int chipstatus_ch1;
unsigned char res3[0x4];
unsigned int mrstatus;
unsigned char res4[0x8];
unsigned int qoscontrol0;
unsigned int qoscontrol0; /* 0x0060 */
unsigned char resr5[0x4];
unsigned int qoscontrol1;
unsigned char res6[0x4];
@ -72,45 +123,83 @@ struct exynos5_dmc {
unsigned int qoscontrol14;
unsigned char res19[0x4];
unsigned int qoscontrol15;
unsigned char res20[0x14];
unsigned char res20[0x4];
unsigned int timing_set_sw; /* 0x00e0 */
unsigned int timingrow1;
unsigned int timingdata1;
unsigned int timingpower1;
unsigned int ivcontrol;
unsigned int wrtra_config;
unsigned int rdlvl_config;
unsigned char res21[0x8];
unsigned char res21[0x4];
unsigned int brbrsvcontrol; /* 0x0100*/
unsigned int brbrsvconfig;
unsigned int brbqosconfig;
unsigned int membaseconfig0;
unsigned int membaseconfig1;
unsigned int membaseconfig1; /* 0x0110 */
unsigned char res22[0xc];
unsigned int wrlvl_config;
unsigned char res23[0xc];
unsigned int perevcontrol;
unsigned int wrlvl_config0; /* 0x0120 */
unsigned int wrlvl_config1;
unsigned int wrlvl_status;
unsigned char res23[0x4];
unsigned int perevcontrol; /* 0x0130 */
unsigned int perev0config;
unsigned int perev1config;
unsigned int perev2config;
unsigned int perev3config;
unsigned char res24[0xdebc];
unsigned int pmnc_ppc_a;
unsigned char res25[0xc];
unsigned int cntens_ppc_a;
unsigned char res26[0xc];
unsigned int cntenc_ppc_a;
unsigned char res27[0xc];
unsigned int intens_ppc_a;
unsigned char res28[0xc];
unsigned int intenc_ppc_a;
unsigned char res29[0xc];
unsigned int flag_ppc_a;
unsigned char res30[0xac];
unsigned int ccnt_ppc_a;
unsigned char res31[0xc];
unsigned int pmcnt0_ppc_a;
unsigned char res22a[0xc];
unsigned int ctrl_io_rdata_ch0;
unsigned int ctrl_io_rdata_ch1;
unsigned char res23a[0x8];
unsigned int cacal_config0;
unsigned int cacal_config1;
unsigned int cacal_status;
unsigned char res24[0x94];
unsigned int emergent_config0; /* 0x0200 */
unsigned int emergent_config1;
unsigned char res25[0x8];
unsigned int bp_control0;
unsigned int bp_control0_r;
unsigned int bp_control0_w;
unsigned char res26[0x4];
unsigned int bp_control1;
unsigned int bp_control1_r;
unsigned int bp_control1_w;
unsigned char res27[0x4];
unsigned int bp_control2;
unsigned int bp_control2_r;
unsigned int bp_control2_w;
unsigned char res28[0x4];
unsigned int bp_control3;
unsigned int bp_control3_r;
unsigned int bp_control3_w;
unsigned char res29[0xb4];
unsigned int winconfig_odt_w; /* 0x0300 */
unsigned char res30[0x4];
unsigned int winconfig_ctrl_read;
unsigned int winconfig_ctrl_gate;
unsigned char res31[0xdcf0];
unsigned int pmnc_ppc;
unsigned char res32[0xc];
unsigned int pmcnt1_ppc_a;
unsigned int cntens_ppc;
unsigned char res33[0xc];
unsigned int pmcnt2_ppc_a;
unsigned int cntenc_ppc;
unsigned char res34[0xc];
unsigned int pmcnt3_ppc_a;
unsigned int intens_ppc;
unsigned char res35[0xc];
unsigned int intenc_ppc;
unsigned char res36[0xc];
unsigned int flag_ppc; /* 0xe050 */
unsigned char res37[0xac];
unsigned int ccnt_ppc;
unsigned char res38[0xc];
unsigned int pmcnt0_ppc;
unsigned char res39[0xc];
unsigned int pmcnt1_ppc;
unsigned char res40[0xc];
unsigned int pmcnt2_ppc;
unsigned char res41[0xc];
unsigned int pmcnt3_ppc; /* 0xe140 */
};
struct exynos5_phy_control {
@ -160,6 +249,15 @@ struct exynos5_phy_control {
unsigned int phy_con42;
};
struct exynos5_tzasc {
unsigned char res1[0xf00];
unsigned int membaseconfig0;
unsigned int membaseconfig1;
unsigned char res2[0x8];
unsigned int memconfig0;
unsigned int memconfig1;
};
enum ddr_mode {
DDR_MODE_DDR2,
DDR_MODE_DDR3,
@ -196,54 +294,6 @@ enum {
MEM_TIMINGS_MSR_COUNT = 4,
};
#define DMC_INTERLEAVE_SIZE 0x1f
/* CONCONTROL register fields */
#define CONCONTROL_DFI_INIT_START_SHIFT 28
#define CONCONTROL_RD_FETCH_SHIFT 12
#define CONCONTROL_RD_FETCH_MASK (0x7 << CONCONTROL_RD_FETCH_SHIFT)
#define CONCONTROL_AREF_EN_SHIFT 5
/* PRECHCONFIG register field */
#define PRECHCONFIG_TP_CNT_SHIFT 24
/* PWRDNCONFIG register field */
#define PWRDNCONFIG_DPWRDN_CYC_SHIFT 0
#define PWRDNCONFIG_DSREF_CYC_SHIFT 16
/* PHY_CON0 register fields */
#define PHY_CON0_T_WRRDCMD_SHIFT 17
#define PHY_CON0_T_WRRDCMD_MASK (0x7 << PHY_CON0_T_WRRDCMD_SHIFT)
#define PHY_CON0_CTRL_DDR_MODE_SHIFT 11
/* PHY_CON1 register fields */
#define PHY_CON1_RDLVL_RDDATA_ADJ_SHIFT 0
/* PHY_CON12 register fields */
#define PHY_CON12_CTRL_START_POINT_SHIFT 24
#define PHY_CON12_CTRL_INC_SHIFT 16
#define PHY_CON12_CTRL_FORCE_SHIFT 8
#define PHY_CON12_CTRL_START_SHIFT 6
#define PHY_CON12_CTRL_START_MASK (1 << PHY_CON12_CTRL_START_SHIFT)
#define PHY_CON12_CTRL_DLL_ON_SHIFT 5
#define PHY_CON12_CTRL_DLL_ON_MASK (1 << PHY_CON12_CTRL_DLL_ON_SHIFT)
#define PHY_CON12_CTRL_REF_SHIFT 1
/* PHY_CON16 register fields */
#define PHY_CON16_ZQ_MODE_DDS_SHIFT 24
#define PHY_CON16_ZQ_MODE_DDS_MASK (0x7 << PHY_CON16_ZQ_MODE_DDS_SHIFT)
#define PHY_CON16_ZQ_MODE_TERM_SHIFT 21
#define PHY_CON16_ZQ_MODE_TERM_MASK (0x7 << PHY_CON16_ZQ_MODE_TERM_SHIFT)
#define PHY_CON16_ZQ_MODE_NOTERM_MASK (1 << 19)
/* PHY_CON42 register fields */
#define PHY_CON42_CTRL_BSTLEN_SHIFT 8
#define PHY_CON42_CTRL_BSTLEN_MASK (0xff << PHY_CON42_CTRL_BSTLEN_SHIFT)
#define PHY_CON42_CTRL_RDLAT_SHIFT 0
#define PHY_CON42_CTRL_RDLAT_MASK (0x1f << PHY_CON42_CTRL_RDLAT_SHIFT)
/* These are the memory timings for a particular memory type and speed */
struct mem_timings {

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@ -23,10 +23,9 @@
#include <console/console.h>
#include <arch/io.h>
#include <delay.h>
#include "setup.h"
#include "dmc.h"
#include "clk.h"
#include "setup.h"
#include "clk.h"
#define ZQ_INIT_TIMEOUT 10000
@ -173,11 +172,3 @@ void dmc_config_prech(struct mem_timings *mem, struct exynos5_dmc *dmc)
}
}
void dmc_config_memory(struct mem_timings *mem, struct exynos5_dmc *dmc)
{
writel(mem->memconfig, &dmc->memconfig0);
writel(mem->memconfig, &dmc->memconfig1);
writel(DMC_MEMBASECONFIG0_VAL, &dmc->membaseconfig0);
writel(DMC_MEMBASECONFIG1_VAL, &dmc->membaseconfig1);
}

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@ -1,11 +1,17 @@
/*
* This file is part of the coreboot project.
*
* DDR3 mem setup file for EXYNOS5 based board
*
* Copyright (C) 2012 Samsung Electronics
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; version 2 of the License.
* See file CREDITS for list of people who contributed to this
* project.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of
* the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
@ -14,181 +20,181 @@
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*/
/* DDR3 mem setup file for SMDK5420 board based on EXYNOS5 */
#include <console/console.h>
#include <delay.h>
#include <arch/io.h>
#include "clk.h"
#include "cpu.h"
#include "dmc.h"
#include "setup.h"
#include "cpu.h"
#include "clk.h"
#define RDLVL_COMPLETE_TIMEOUT 10000
#define TIMEOUT 10000
static void reset_phy_ctrl(void)
/* 'reset' field is currently ignored. */
int ddr3_mem_ctrl_init(struct mem_timings *mem, int interleave_size, int reset)
{
struct exynos5_clock *clk = (struct exynos5_clock *)EXYNOS5_CLOCK_BASE;
writel(LPDDR3PHY_CTRL_PHY_RESET_OFF, &clk->lpddr3phy_ctrl);
writel(LPDDR3PHY_CTRL_PHY_RESET, &clk->lpddr3phy_ctrl);
#if 0
/*
* For proper memory initialization there should be a minimum delay of
* 500us after the LPDDR3PHY_CTRL_PHY_RESET signal.
* The below value is an approximate value whose calculation in done
* considering that sdelay takes 2 instruction for every 1 delay cycle.
* And assuming each instruction takes 1 clock cycle i.e 1/(1.7 Ghz)sec
* So for 500 usec, the number of delay cycle should be
* (500 * 10^-6) * (1.7 * 10^9) / 2 = 425000
*
* TODO(hatim.rv@samsung.com): Implement the delay using timer/counter
*/
sdelay(425000);
#endif
udelay(500);
}
int ddr3_mem_ctrl_init(struct mem_timings *mem, unsigned long mem_iv_size,
int mem_reset)
{
unsigned int val;
struct exynos5420_clock *clk =
(struct exynos5420_clock *)EXYNOS5_CLOCK_BASE;
struct exynos5_phy_control *phy0_ctrl, *phy1_ctrl;
struct exynos5_dmc *dmc;
struct exynos5_dmc *drex0, *drex1;
struct exynos5_tzasc *tzasc0, *tzasc1;
u32 val, nLockR, nLockW_phy0, nLockW_phy1;
int i;
phy0_ctrl = (struct exynos5_phy_control *)EXYNOS5_DMC_PHY0_BASE;
phy1_ctrl = (struct exynos5_phy_control *)EXYNOS5_DMC_PHY1_BASE;
dmc = (struct exynos5_dmc *)EXYNOS5_DMC_CTRL_BASE;
drex0 = (struct exynos5_dmc *)EXYNOS5420_DMC_DREXI_0;
drex1 = (struct exynos5_dmc *)EXYNOS5420_DMC_DREXI_1;
tzasc0 = (struct exynos5_tzasc *)EXYNOS5420_DMC_TZASC_0;
tzasc1 = (struct exynos5_tzasc *)EXYNOS5420_DMC_TZASC_1;
if (mem_reset) {
printk(BIOS_SPEW, "%s: reset phy: ", __func__);
reset_phy_ctrl();
printk(BIOS_SPEW, "done\n");
} else {
printk(BIOS_SPEW, "%s: skip mem_reset.\n", __func__);
}
/* Enable PAUSE for DREX */
setbits_le32(&clk->pause, ENABLE_BIT);
/* Set Impedance Output Driver */
printk(BIOS_SPEW, "ddr3_mem_ctrl_init: Set Impedance Output Driver\n");
printk(BIOS_SPEW, "ddr3_mem_ctrl_init: mem->impedance 0x%x\n",
mem->impedance);
val = (mem->impedance << CA_CK_DRVR_DS_OFFSET) |
(mem->impedance << CA_CKE_DRVR_DS_OFFSET) |
(mem->impedance << CA_CS_DRVR_DS_OFFSET) |
(mem->impedance << CA_ADR_DRVR_DS_OFFSET);
printk(BIOS_SPEW, "ddr3_mem_ctrl_init: val 0x%x\n", val);
writel(val, &phy0_ctrl->phy_con39);
writel(val, &phy1_ctrl->phy_con39);
/* Enable BYPASS mode */
setbits_le32(&clk->bpll_con1, BYPASS_EN);
writel(MUX_BPLL_SEL_FOUTBPLL, &clk->clk_src_cdrex);
do {
val = readl(&clk->clk_mux_stat_cdrex);
val &= BPLL_SEL_MASK;
} while (val != FOUTBPLL);
clrbits_le32(&clk->bpll_con1, BYPASS_EN);
/* Specify the DDR memory type as DDR3 */
val = readl(&phy0_ctrl->phy_con0);
val &= ~(PHY_CON0_CTRL_DDR_MODE_MASK << PHY_CON0_CTRL_DDR_MODE_SHIFT);
val |= (DDR_MODE_DDR3 << PHY_CON0_CTRL_DDR_MODE_SHIFT);
writel(val, &phy0_ctrl->phy_con0);
val = readl(&phy1_ctrl->phy_con0);
val &= ~(PHY_CON0_CTRL_DDR_MODE_MASK << PHY_CON0_CTRL_DDR_MODE_SHIFT);
val |= (DDR_MODE_DDR3 << PHY_CON0_CTRL_DDR_MODE_SHIFT);
writel(val, &phy1_ctrl->phy_con0);
/* Set Read Latency and Burst Length for PHY0 and PHY1 */
printk(BIOS_SPEW, "ddr3_mem_ctrl_init: "
"Set Read Latency and Burst Length for PHY0 and PHY1\n");
val = (mem->ctrl_bstlen << PHY_CON42_CTRL_BSTLEN_SHIFT) |
(mem->ctrl_rdlat << PHY_CON42_CTRL_RDLAT_SHIFT);
writel(val, &phy0_ctrl->phy_con42);
writel(val, &phy1_ctrl->phy_con42);
val = readl(&phy0_ctrl->phy_con26);
val &= ~(T_WRDATA_EN_MASK << T_WRDATA_EN_OFFSET);
val |= (T_WRDATA_EN_DDR3 << T_WRDATA_EN_OFFSET);
writel(val, &phy0_ctrl->phy_con26);
val = readl(&phy1_ctrl->phy_con26);
val &= ~(T_WRDATA_EN_MASK << T_WRDATA_EN_OFFSET);
val |= (T_WRDATA_EN_DDR3 << T_WRDATA_EN_OFFSET);
writel(val, &phy1_ctrl->phy_con26);
/* Set Driver strength for CK, CKE, CS & CA to 0x7
* Set Driver strength for Data Slice 0~3 to 0x6
*/
val = (0x7 << CA_CK_DRVR_DS_OFFSET) | (0x7 << CA_CKE_DRVR_DS_OFFSET) |
(0x7 << CA_CS_DRVR_DS_OFFSET) | (0x7 << CA_ADR_DRVR_DS_OFFSET);
val |= (0x6 << DA_3_DS_OFFSET) | (0x6 << DA_2_DS_OFFSET) |
(0x6 << DA_1_DS_OFFSET) | (0x6 << DA_0_DS_OFFSET);
writel(val, &phy0_ctrl->phy_con39);
writel(val, &phy1_ctrl->phy_con39);
/* ZQ Calibration */
printk(BIOS_SPEW, "ddr3_mem_ctrl_init: ZQ Calibration\n");
if (dmc_config_zq(mem, phy0_ctrl, phy1_ctrl))
return SETUP_ERR_ZQ_CALIBRATION_FAILURE;
clrbits_le32(&phy0_ctrl->phy_con16, ZQ_CLK_DIV_EN);
clrbits_le32(&phy1_ctrl->phy_con16, ZQ_CLK_DIV_EN);
/* DQ Signal */
printk(BIOS_SPEW, "ddr3_mem_ctrl_init: DQ Signal\n");
writel(mem->phy0_pulld_dqs, &phy0_ctrl->phy_con14);
writel(mem->phy1_pulld_dqs, &phy1_ctrl->phy_con14);
writel(mem->concontrol | (mem->rd_fetch << CONCONTROL_RD_FETCH_SHIFT)
| (mem->dfi_init_start << CONCONTROL_DFI_INIT_START_SHIFT),
&dmc->concontrol);
val = MEM_TERM_EN | PHY_TERM_EN;
writel(val, &drex0->phycontrol0);
writel(val, &drex1->phycontrol0);
update_reset_dll(dmc, DDR_MODE_DDR3);
writel(mem->concontrol |
(mem->dfi_init_start << CONCONTROL_DFI_INIT_START_SHIFT) |
(mem->rd_fetch << CONCONTROL_RD_FETCH_SHIFT),
&drex0->concontrol);
writel(mem->concontrol |
(mem->dfi_init_start << CONCONTROL_DFI_INIT_START_SHIFT) |
(mem->rd_fetch << CONCONTROL_RD_FETCH_SHIFT),
&drex1->concontrol);
/* DQS Signal */
printk(BIOS_SPEW, "ddr3_mem_ctrl_init: DQS Signal\n");
writel(mem->phy0_dqs, &phy0_ctrl->phy_con4);
writel(mem->phy1_dqs, &phy1_ctrl->phy_con4);
do {
val = readl(&drex0->phystatus);
} while ((val & DFI_INIT_COMPLETE) != DFI_INIT_COMPLETE);
do {
val = readl(&drex1->phystatus);
} while ((val & DFI_INIT_COMPLETE) != DFI_INIT_COMPLETE);
writel(mem->phy0_dq, &phy0_ctrl->phy_con6);
writel(mem->phy1_dq, &phy1_ctrl->phy_con6);
clrbits_le32(&drex0->concontrol, DFI_INIT_START);
clrbits_le32(&drex1->concontrol, DFI_INIT_START);
writel(mem->phy0_tFS, &phy0_ctrl->phy_con10);
writel(mem->phy1_tFS, &phy1_ctrl->phy_con10);
update_reset_dll(drex0, DDR_MODE_DDR3);
update_reset_dll(drex1, DDR_MODE_DDR3);
val = (mem->ctrl_start_point << PHY_CON12_CTRL_START_POINT_SHIFT) |
(mem->ctrl_inc << PHY_CON12_CTRL_INC_SHIFT) |
(mem->ctrl_dll_on << PHY_CON12_CTRL_DLL_ON_SHIFT) |
(mem->ctrl_ref << PHY_CON12_CTRL_REF_SHIFT);
writel(val, &phy0_ctrl->phy_con12);
writel(val, &phy1_ctrl->phy_con12);
/* Set Base Address:
* 0x2000_0000 ~ 0x5FFF_FFFF
* 0x6000_0000 ~ 0x9FFF_FFFF
*/
/* MEMBASECONFIG0 */
val = DMC_MEMBASECONFIGx_CHIP_BASE(DMC_CHIP_BASE_0) |
DMC_MEMBASECONFIGx_CHIP_MASK(DMC_CHIP_MASK);
writel(val, &tzasc0->membaseconfig0);
writel(val, &tzasc1->membaseconfig0);
/* Start DLL locking */
printk(BIOS_SPEW, "ddr3_mem_ctrl_init: Start DLL Locking\n");
writel(val | (mem->ctrl_start << PHY_CON12_CTRL_START_SHIFT),
&phy0_ctrl->phy_con12);
writel(val | (mem->ctrl_start << PHY_CON12_CTRL_START_SHIFT),
&phy1_ctrl->phy_con12);
/* MEMBASECONFIG1 */
val = DMC_MEMBASECONFIGx_CHIP_BASE(DMC_CHIP_BASE_1) |
DMC_MEMBASECONFIGx_CHIP_MASK(DMC_CHIP_MASK);
writel(val, &tzasc0->membaseconfig1);
writel(val, &tzasc1->membaseconfig1);
update_reset_dll(dmc, DDR_MODE_DDR3);
writel(mem->concontrol | (mem->rd_fetch << CONCONTROL_RD_FETCH_SHIFT),
&dmc->concontrol);
/* Memory Channel Inteleaving Size */
printk(BIOS_SPEW, "ddr3_mem_ctrl_init: "
"Memory Channel Inteleaving Size\n");
writel(mem->iv_size, &dmc->ivcontrol);
/* Set DMC MEMCONTROL register */
printk(BIOS_SPEW, "ddr3_mem_ctrl_init: Set DMC MEMCONTROL register\n");
val = mem->memcontrol & ~DMC_MEMCONTROL_DSREF_ENABLE;
writel(val, &dmc->memcontrol);
writel(mem->memconfig, &dmc->memconfig0);
writel(mem->memconfig, &dmc->memconfig1);
writel(mem->membaseconfig0, &dmc->membaseconfig0);
writel(mem->membaseconfig1, &dmc->membaseconfig1);
/* Memory Channel Inteleaving Size
* Exynos5420 Channel interleaving = 128 bytes
*/
/* MEMCONFIG0/1 */
writel(mem->memconfig, &tzasc0->memconfig0);
writel(mem->memconfig, &tzasc1->memconfig0);
writel(mem->memconfig, &tzasc0->memconfig1);
writel(mem->memconfig, &tzasc1->memconfig1);
/* Precharge Configuration */
printk(BIOS_SPEW, "ddr3_mem_ctrl_init: Precharge Configuration\n");
writel(mem->prechconfig_tp_cnt << PRECHCONFIG_TP_CNT_SHIFT,
&dmc->prechconfig);
/* Power Down mode Configuration */
printk(BIOS_SPEW, "ddr3_mem_ctrl_init: "
"Power Down mode Configuraation\n");
writel(mem->dpwrdn_cyc << PWRDNCONFIG_DPWRDN_CYC_SHIFT |
mem->dsref_cyc << PWRDNCONFIG_DSREF_CYC_SHIFT,
&dmc->pwrdnconfig);
&drex0->prechconfig0);
writel(mem->prechconfig_tp_cnt << PRECHCONFIG_TP_CNT_SHIFT,
&drex1->prechconfig0);
/* TimingRow, TimingData, TimingPower and Timingaref
* values as per Memory AC parameters
*/
printk(BIOS_SPEW, "ddr3_mem_ctrl_init: "
"TimingRow, TimingData, TimingPower and Timingaref\n");
writel(mem->timing_ref, &dmc->timingref);
writel(mem->timing_row, &dmc->timingrow);
writel(mem->timing_data, &dmc->timingdata);
writel(mem->timing_power, &dmc->timingpower);
/* Send PALL command */
printk(BIOS_SPEW, "ddr3_mem_ctrl_init: Send PALL Command\n");
dmc_config_prech(mem, dmc);
writel(mem->timing_ref, &drex0->timingref);
writel(mem->timing_ref, &drex1->timingref);
writel(mem->timing_row, &drex0->timingrow);
writel(mem->timing_row, &drex1->timingrow);
writel(mem->timing_data, &drex0->timingdata);
writel(mem->timing_data, &drex1->timingdata);
writel(mem->timing_power, &drex0->timingpower);
writel(mem->timing_power, &drex1->timingpower);
/* Send NOP, MRS and ZQINIT commands */
printk(BIOS_SPEW, "ddr3_mem_ctrl_init: Send NOP, MRS, and ZQINIT\n");
dmc_config_mrs(mem, dmc);
dmc_config_mrs(mem, drex0);
dmc_config_mrs(mem, drex1);
if (mem->gate_leveling_enable) {
val = PHY_CON0_RESET_VAL;
val |= P0_CMD_EN;
writel(val, &phy0_ctrl->phy_con0);
writel(val, &phy1_ctrl->phy_con0);
setbits_le32(&phy0_ctrl->phy_con0, CTRL_ATGATE);
setbits_le32(&phy1_ctrl->phy_con0, CTRL_ATGATE);
setbits_le32(&phy0_ctrl->phy_con0, P0_CMD_EN);
setbits_le32(&phy1_ctrl->phy_con0, P0_CMD_EN);
val = PHY_CON2_RESET_VAL;
val |= INIT_DESKEW_EN;
@ -201,38 +207,51 @@ int ddr3_mem_ctrl_init(struct mem_timings *mem, unsigned long mem_iv_size,
writel(val, &phy0_ctrl->phy_con0);
writel(val, &phy1_ctrl->phy_con0);
val = (mem->ctrl_start_point <<
PHY_CON12_CTRL_START_POINT_SHIFT) |
(mem->ctrl_inc << PHY_CON12_CTRL_INC_SHIFT) |
(mem->ctrl_force << PHY_CON12_CTRL_FORCE_SHIFT) |
(mem->ctrl_start << PHY_CON12_CTRL_START_SHIFT) |
(mem->ctrl_ref << PHY_CON12_CTRL_REF_SHIFT);
writel(val, &phy0_ctrl->phy_con12);
writel(val, &phy1_ctrl->phy_con12);
val = PHY_CON2_RESET_VAL;
val |= INIT_DESKEW_EN;
val |= RDLVL_GATE_EN;
writel(val, &phy0_ctrl->phy_con2);
writel(val, &phy1_ctrl->phy_con2);
val = PHY_CON0_RESET_VAL;
val |= P0_CMD_EN;
val |= BYTE_RDLVL_EN;
val |= CTRL_SHGATE;
writel(val, &phy0_ctrl->phy_con0);
writel(val, &phy1_ctrl->phy_con0);
val = PHY_CON1_RESET_VAL;
val &= ~(CTRL_GATEDURADJ_MASK);
val = readl(&phy0_ctrl->phy_con1);
val |= (RDLVL_PASS_ADJ_VAL << RDLVL_PASS_ADJ_OFFSET);
writel(val, &phy0_ctrl->phy_con1);
val = readl(&phy1_ctrl->phy_con1);
val |= (RDLVL_PASS_ADJ_VAL << RDLVL_PASS_ADJ_OFFSET);
writel(val, &phy1_ctrl->phy_con1);
writel(CTRL_RDLVL_GATE_ENABLE, &dmc->rdlvl_config);
i = RDLVL_COMPLETE_TIMEOUT;
while ((readl(&dmc->phystatus) &
(RDLVL_COMPLETE_CHO | RDLVL_COMPLETE_CH1)) !=
(RDLVL_COMPLETE_CHO | RDLVL_COMPLETE_CH1) && i > 0) {
nLockR = readl(&phy0_ctrl->phy_con13);
nLockW_phy0 = (nLockR & CTRL_LOCK_COARSE_MASK) >> 2;
nLockR = readl(&phy0_ctrl->phy_con12);
nLockR &= ~CTRL_DLL_ON;
nLockR |= nLockW_phy0;
writel(nLockR, &phy0_ctrl->phy_con12);
nLockR = readl(&phy1_ctrl->phy_con13);
nLockW_phy1 = (nLockR & CTRL_LOCK_COARSE_MASK) >> 2;
nLockR = readl(&phy1_ctrl->phy_con12);
nLockR &= ~CTRL_DLL_ON;
nLockR |= nLockW_phy1;
writel(nLockR, &phy1_ctrl->phy_con12);
writel(0x00030004, &drex0->directcmd);
writel(0x00130004, &drex0->directcmd);
writel(0x00030004, &drex1->directcmd);
writel(0x00130004, &drex1->directcmd);
setbits_le32(&phy0_ctrl->phy_con2, RDLVL_GATE_EN);
setbits_le32(&phy1_ctrl->phy_con2, RDLVL_GATE_EN);
setbits_le32(&phy0_ctrl->phy_con0, CTRL_SHGATE);
setbits_le32(&phy1_ctrl->phy_con0, CTRL_SHGATE);
val = readl(&phy0_ctrl->phy_con1);
val &= ~(CTRL_GATEDURADJ_MASK);
writel(val, &phy0_ctrl->phy_con1);
val = readl(&phy1_ctrl->phy_con1);
val &= ~(CTRL_GATEDURADJ_MASK);
writel(val, &phy1_ctrl->phy_con1);
writel(CTRL_RDLVL_GATE_ENABLE, &drex0->rdlvl_config);
i = TIMEOUT;
while (((readl(&drex0->phystatus) & RDLVL_COMPLETE_CHO) !=
RDLVL_COMPLETE_CHO) && (i > 0)) {
/*
* TODO(waihong): Comment on how long this take to
* timeout
@ -240,38 +259,116 @@ int ddr3_mem_ctrl_init(struct mem_timings *mem, unsigned long mem_iv_size,
udelay(1);
i--;
}
if (!i){
printk(BIOS_SPEW, "Timeout on RDLVL. No DRAM.\n");
if (!i)
return SETUP_ERR_RDLV_COMPLETE_TIMEOUT;
writel(CTRL_RDLVL_GATE_DISABLE, &drex0->rdlvl_config);
writel(CTRL_RDLVL_GATE_ENABLE, &drex1->rdlvl_config);
i = TIMEOUT;
while (((readl(&drex1->phystatus) & RDLVL_COMPLETE_CHO) !=
RDLVL_COMPLETE_CHO) && (i > 0)) {
/*
* TODO(waihong): Comment on how long this take to
* timeout
*/
udelay(1);
i--;
}
writel(CTRL_RDLVL_GATE_DISABLE, &dmc->rdlvl_config);
if (!i)
return SETUP_ERR_RDLV_COMPLETE_TIMEOUT;
writel(CTRL_RDLVL_GATE_DISABLE, &drex1->rdlvl_config);
writel(0, &phy0_ctrl->phy_con14);
writel(0, &phy1_ctrl->phy_con14);
val = (mem->ctrl_start_point <<
PHY_CON12_CTRL_START_POINT_SHIFT) |
(mem->ctrl_inc << PHY_CON12_CTRL_INC_SHIFT) |
(mem->ctrl_force << PHY_CON12_CTRL_FORCE_SHIFT) |
(mem->ctrl_start << PHY_CON12_CTRL_START_SHIFT) |
(mem->ctrl_dll_on << PHY_CON12_CTRL_DLL_ON_SHIFT) |
(mem->ctrl_ref << PHY_CON12_CTRL_REF_SHIFT);
writel(val, &phy0_ctrl->phy_con12);
writel(val, &phy1_ctrl->phy_con12);
writel(0x00030000, &drex0->directcmd);
writel(0x00130000, &drex0->directcmd);
writel(0x00030000, &drex1->directcmd);
writel(0x00130000, &drex1->directcmd);
update_reset_dll(dmc, DDR_MODE_DDR3);
/* Set Read DQ Calibration */
writel(0x00030004, &drex0->directcmd);
writel(0x00130004, &drex0->directcmd);
writel(0x00030004, &drex1->directcmd);
writel(0x00130004, &drex1->directcmd);
val = readl(&phy0_ctrl->phy_con1);
val |= READ_LEVELLING_DDR3;
writel(val, &phy0_ctrl->phy_con1);
val = readl(&phy1_ctrl->phy_con1);
val |= READ_LEVELLING_DDR3;
writel(val, &phy1_ctrl->phy_con1);
val = readl(&phy0_ctrl->phy_con2);
val |= (RDLVL_EN | RDLVL_INCR_ADJ);
writel(val, &phy0_ctrl->phy_con2);
val = readl(&phy1_ctrl->phy_con2);
val |= (RDLVL_EN | RDLVL_INCR_ADJ);
writel(val, &phy1_ctrl->phy_con2);
setbits_le32(&drex0->rdlvl_config, CTRL_RDLVL_DATA_ENABLE);
i = TIMEOUT;
while (((readl(&drex0->phystatus) & RDLVL_COMPLETE_CHO) !=
RDLVL_COMPLETE_CHO) && (i > 0)) {
/*
* TODO(waihong): Comment on how long this take to
* timeout
*/
udelay(1);
i--;
}
if (!i)
return SETUP_ERR_RDLV_COMPLETE_TIMEOUT;
clrbits_le32(&drex0->rdlvl_config, CTRL_RDLVL_DATA_ENABLE);
setbits_le32(&drex1->rdlvl_config, CTRL_RDLVL_DATA_ENABLE);
i = TIMEOUT;
while (((readl(&drex1->phystatus) & RDLVL_COMPLETE_CHO) !=
RDLVL_COMPLETE_CHO) && (i > 0)) {
/*
* TODO(waihong): Comment on how long this take to
* timeout
*/
udelay(1);
i--;
}
if (!i)
return SETUP_ERR_RDLV_COMPLETE_TIMEOUT;
clrbits_le32(&drex1->rdlvl_config, CTRL_RDLVL_DATA_ENABLE);
writel(0x00030000, &drex0->directcmd);
writel(0x00130000, &drex0->directcmd);
writel(0x00030000, &drex1->directcmd);
writel(0x00130000, &drex1->directcmd);
update_reset_dll(drex0, DDR_MODE_DDR3);
update_reset_dll(drex1, DDR_MODE_DDR3);
/* Common Settings for Leveling */
val = PHY_CON12_RESET_VAL;
writel((val + nLockW_phy0), &phy0_ctrl->phy_con12);
writel((val + nLockW_phy1), &phy1_ctrl->phy_con12);
setbits_le32(&phy0_ctrl->phy_con2, DLL_DESKEW_EN);
setbits_le32(&phy1_ctrl->phy_con2, DLL_DESKEW_EN);
update_reset_dll(drex0, DDR_MODE_DDR3);
update_reset_dll(drex1, DDR_MODE_DDR3);
}
/* Send PALL command */
printk(BIOS_SPEW, "ddr3_mem_ctrl_init: Send PALL Command\n");
dmc_config_prech(mem, dmc);
dmc_config_prech(mem, drex0);
dmc_config_prech(mem, drex1);
writel(mem->memcontrol, &dmc->memcontrol);
writel(mem->memcontrol, &drex0->memcontrol);
writel(mem->memcontrol, &drex1->memcontrol);
/* Set DMC Concontrol and enable auto-refresh counter */
printk(BIOS_SPEW, "ddr3_mem_ctrl_init: "
"Set DMC Concontrol and enable auto-refresh counter\n");
writel(mem->concontrol | (mem->rd_fetch << CONCONTROL_RD_FETCH_SHIFT)
| (mem->aref_en << CONCONTROL_AREF_EN_SHIFT), &dmc->concontrol);
writel(mem->concontrol | (mem->aref_en << CONCONTROL_AREF_EN_SHIFT) |
(mem->rd_fetch << CONCONTROL_RD_FETCH_SHIFT),
&drex0->concontrol);
writel(mem->concontrol | (mem->aref_en << CONCONTROL_AREF_EN_SHIFT) |
(mem->rd_fetch << CONCONTROL_RD_FETCH_SHIFT),
&drex1->concontrol);
return 0;
}

View File

@ -23,6 +23,7 @@
#include <arch/io.h>
#include <arch/hlt.h>
#include "cpu.h"
#include "dmc.h"
#include "power.h"
#include "setup.h"
#include "sysreg.h"

View File

@ -1,4 +1,4 @@
/*
/*
* This file is part of the coreboot project.
*
* Copyright (C) 2012 Samsung Electronics
@ -27,6 +27,11 @@ enum ddr_mode;
struct exynos5_phy_control;
#define NOT_AVAILABLE 0
#define DATA_MASK 0xFFFFF
#define ENABLE_BIT 0x1
#define DISABLE_BIT 0x0
#define CA_SWAP_EN (1 << 0)
/* TZPC : Register Offsets */
#define TZPC0_BASE 0x10100000
@ -122,6 +127,7 @@ struct exynos5_phy_control;
/* MEMCONFIG0 register bit fields */
#define DMC_MEMCONFIGx_CHIP_MAP_INTERLEAVED (1 << 12)
#define DMC_MEMCONFIG_CHIP_MAP_SPLIT (2 << 12)
#define DMC_MEMCONFIGx_CHIP_COL_10 (3 << 8)
#define DMC_MEMCONFIGx_CHIP_ROW_14 (2 << 4)
#define DMC_MEMCONFIGx_CHIP_ROW_15 (3 << 4)
@ -201,6 +207,10 @@ struct exynos5_phy_control;
/* CLK_SRC_CDREX */
#define CLK_SRC_CDREX_VAL 0x00000001
#define MUX_MCLK_CDR_MSPLL (1 << 4)
#define MUX_BPLL_SEL_FOUTBPLL (1 << 0)
#define BPLL_SEL_MASK 0x7
#define FOUTBPLL 2
/* CLK_DIV_CDREX */
#define CLK_DIV_CDREX0_VAL 0x30010100
@ -620,39 +630,177 @@ struct exynos5_phy_control;
#define CTRL_SHGATE (1 << 8)
#define PHY_CON1_RESET_VAL 0x09210100
#define RDLVL_PASS_ADJ_VAL 0x6
#define RDLVL_PASS_ADJ_OFFSET 16
#define CTRL_GATEDURADJ_MASK (0xf << 20)
#define READ_LEVELLING_DDR3 0x0100
#define PHY_CON2_RESET_VAL 0x00010004
#define INIT_DESKEW_EN (1 << 6)
#define DLL_DESKEW_EN (1 << 12)
#define RDLVL_GATE_EN (1 << 24)
#define RDLVL_EN (1 << 25)
#define RDLVL_INCR_ADJ (0x1 << 16)
/* DREX_PAUSE */
#define DREX_PAUSE_EN (1 << 0)
#define BYPASS_EN (1 << 22)
/********-----MEMMORY VAL----------***/
#define PHY_CON0_VAL 0x17021A00
#define PHY_CON12_RESET_VAL 0x10100070
#define PHY_CON12_VAL 0x10107F50
#define CTRL_START (1 << 6)
#define CTRL_DLL_ON (1 << 5)
#define CTRL_FORCE_MASK (0x7F << 8)
#define CTRL_LOCK_COARSE_MASK (0x7F << 10)
#define CTRL_OFFSETD_RESET_VAL 0x8
#define CTRL_OFFSETD_VAL 0x7F
#define CTRL_OFFSETR0 0x7F
#define CTRL_OFFSETR1 0x7F
#define CTRL_OFFSETR2 0x7F
#define CTRL_OFFSETR3 0x7F
#define PHY_CON4_VAL (CTRL_OFFSETR0 << 0 | \
CTRL_OFFSETR1 << 8 | \
CTRL_OFFSETR2 << 16 | \
CTRL_OFFSETR3 << 24)
#define PHY_CON4_RESET_VAL 0x08080808
#define CTRL_OFFSETW0 0x7F
#define CTRL_OFFSETW1 0x7F
#define CTRL_OFFSETW2 0x7F
#define CTRL_OFFSETW3 0x7F
#define PHY_CON6_VAL (CTRL_OFFSETW0 << 0 | \
CTRL_OFFSETW1 << 8 | \
CTRL_OFFSETW2 << 16 | \
CTRL_OFFSETW3 << 24)
#define PHY_CON6_RESET_VAL 0x08080808
#define PHY_CON14_RESET_VAL 0x001F0000
#define CTRL_PULLD_DQS 0xF
#define CTRL_PULLD_DQS_OFFSET 0
/*ZQ Configurations */
#define PHY_CON16_RESET_VAL 0x08000304
#define ZQ_CLK_EN (1 << 27)
#define ZQ_CLK_DIV_EN (1 << 18)
#define ZQ_MANUAL_MODE_OFFSET 2
#define ZQ_LONG_CALIBRATION 0x1
#define ZQ_MANUAL_STR (1 << 1)
#define ZQ_DONE (1 << 0)
#define ZQ_MODE_DDS_OFFSET 24
#define LONG_CALIBRATION (ZQ_LONG_CALIBRATION << ZQ_MANUAL_MODE_OFFSET)
#define CTRL_RDLVL_GATE_ENABLE 1
#define CTRL_RDLVL_GATE_DISABLE 1
#define CTRL_RDLVL_GATE_DISABLE 0
#define CTRL_RDLVL_DATA_ENABLE (1 << 1)
/* Direct Command */
#define DIRECT_CMD_NOP 0x07000000
#define DIRECT_CMD_PALL 0x01000000
#define DIRECT_CMD_ZQINIT 0x0a000000
#define DIRECT_CMD_CHANNEL_SHIFT 28
#define DIRECT_CMD_CHIP_SHIFT 20
#define DIRECT_CMD_REFA (5 << 24)
#define DIRECT_CMD_MRS1 0x71C00
#define DIRECT_CMD_MRS2 0x10BFC
#define DIRECT_CMD_MRS3 0x0050C
#define DIRECT_CMD_MRS4 0x00868
#define DIRECT_CMD_MRS5 0x00C04
/* Drive Strength */
#define IMPEDANCE_48_OHM 4
#define IMPEDANCE_40_OHM 5
#define IMPEDANCE_34_OHM 6
#define IMPEDANCE_30_OHM 7
#define PHY_CON39_VAL_48_OHM 0x09240924
#define PHY_CON39_VAL_40_OHM 0x0B6D0B6D
#define PHY_CON39_VAL_34_OHM 0x0DB60DB6
#define PHY_CON39_VAL_30_OHM 0x0FFF0FFF
#define CTRL_BSTLEN_OFFSET 8
#define CTRL_RDLAT_OFFSET 0
#define CMD_DEFAULT_LPDDR3 0xF
#define CMD_DEFUALT_OFFSET 0
#define T_WRDATA_EN 0x7
#define T_WRDATA_EN_DDR3 0x8
#define T_WRDATA_EN_OFFSET 16
#define T_WRDATA_EN_MASK 0x1f
#define PHY_CON31_VAL 0x0C183060
#define PHY_CON32_VAL 0x60C18306
#define PHY_CON33_VAL 0x00000030
#define PHY_CON31_RESET_VAL 0x0
#define PHY_CON32_RESET_VAL 0x0
#define PHY_CON33_RESET_VAL 0x0
#define SL_DLL_DYN_CON_EN (1 << 1)
#define FP_RESYNC (1 << 3)
#define CTRL_START (1 << 6)
#define DMC_AREF_EN (1 << 5)
#define DMC_CONCONTROL_EMPTY (1 << 8)
#define DFI_INIT_START (1 << 28)
#define DMC_MEMCONTROL_VAL 0x00312700
#define CLK_STOP_EN (1 << 0)
#define DPWRDN_EN (1 << 1)
#define DSREF_EN (1 << 5)
/* As we use channel interleaving, therefore value of the base address
* register must be set as half of the bus base address
* RAM start addess is 0x2000_0000 which means chip_base is 0x20, so
* we need to set half 0x10 to the membaseconfigx registers
* see exynos5420 UM section 17.17.3.21 for more
*/
#define DMC_CHIP_BASE_0 0x10
#define DMC_CHIP_BASE_1 0x50
#define DMC_CHIP_MASK 0x7C0
#define MEMBASECONFIG_CHIP_MASK_VAL 0x7E0
#define MEMBASECONFIG_CHIP_MASK_OFFSET 0
#define MEMBASECONFIG0_CHIP_BASE_VAL 0x20
#define MEMBASECONFIG1_CHIP_BASE_VAL 0x40
#define CHIP_BASE_OFFSET 16
#define MEMCONFIG_VAL 0x1323
#define PRECHCONFIG_DEFAULT_VAL 0xFF000000
#define PWRDNCONFIG_DEFAULT_VAL 0xFFFF00FF
#define TIMINGAREF_VAL 0x5d
#define TIMINGROW_VAL 0x345A8692
#define TIMINGDATA_VAL 0x3630065C
#define TIMINGPOWER_VAL 0x50380336
#define DFI_INIT_COMPLETE (1 << 3)
#define BRBRSVCONTROL_VAL 0x00000033
#define BRBRSVCONFIG_VAL 0x88778877
/* DMC PHY Control0 register */
#define PHY_CONTROL0_RESET_VAL 0x0
#define MEM_TERM_EN (1 << 31) /* Termination enable for memory */
#define PHY_TERM_EN (1 << 30) /* Termination enable for PHY */
#define DMC_CTRL_SHGATE (1 << 29) /* Duration of DQS gating signal */
#define CTRL_ATGATE (1 << 6)
#define FP_RSYNC (1 << 3) /* Force DLL resyncronization */
/* Driver strength for CK, CKE, CS & CA */
#define IMP_OUTPUT_DRV_40_OHM 0x5
#define IMP_OUTPUT_DRV_30_OHM 0x7
#define DA_3_DS_OFFSET 25
#define DA_2_DS_OFFSET 22
#define DA_1_DS_OFFSET 19
#define DA_0_DS_OFFSET 16
#define CA_CK_DRVR_DS_OFFSET 9
#define CA_CKE_DRVR_DS_OFFSET 6
#define CA_CS_DRVR_DS_OFFSET 3
@ -687,8 +835,10 @@ void mem_ctrl_init(void);
* @param mem_reset Reset memory during initialization.
* @return 0 if ok, SETUP_ERR_... if there is a problem
*/
int ddr3_mem_ctrl_init(struct mem_timings *mem, unsigned long mem_iv_size,
int mem_reset);
int ddr3_mem_ctrl_init(struct mem_timings *mem, int interleave_size, int reset);
/* Memory variant specific initialization code for LPDDR3 */
int lpddr3_mem_ctrl_init(int reset);
/*
* Configure ZQ I/O interface

View File

@ -32,6 +32,7 @@ config BOARD_SPECIFIC_OPTIONS # dummy
select DRIVER_TI_TPS65090
select MAINBOARD_HAS_NATIVE_VGA_INIT
select MAINBOARD_DO_NATIVE_VGA_INIT
select HAVE_INIT_TIMER
config MAINBOARD_DIR
string

View File

@ -23,147 +23,21 @@
#include <console/console.h>
#include <cpu/samsung/exynos5420/gpio.h>
#include <cpu/samsung/exynos5420/setup.h>
#include <cpu/samsung/exynos5420/dmc.h>
#include <cpu/samsung/exynos5420/setup.h>
#include <cpu/samsung/exynos5420/clk.h>
const struct mem_timings mem_timings[] = {
{
.mem_manuf = MEM_MANUF_ELPIDA,
.mem_type = DDR_MODE_DDR3,
.frequency_mhz = 800,
.mpll_mdiv = 0x64,
.mpll_pdiv = 0x3,
.mpll_sdiv = 0x0,
.cpll_mdiv = 0xde,
.cpll_pdiv = 0x4,
.cpll_sdiv = 0x2,
.gpll_mdiv = 0x215,
.gpll_pdiv = 0xc,
.gpll_sdiv = 0x1,
.epll_mdiv = 0x60,
.epll_pdiv = 0x3,
.epll_sdiv = 0x3,
.vpll_mdiv = 0x96,
.vpll_pdiv = 0x3,
.vpll_sdiv = 0x2,
.bpll_mdiv = 0x64,
.bpll_pdiv = 0x3,
.bpll_sdiv = 0x0,
.use_bpll = 0,
.pclk_cdrex_ratio = 0x5,
.direct_cmd_msr = {
0x00020018, 0x00030000, 0x00010042, 0x00000d70
},
.timing_ref = 0x000000bb,
.timing_row = 0x8c36660f,
.timing_data = 0x3630580b,
.timing_power = 0x41000a44,
.phy0_dqs = 0x08080808,
.phy1_dqs = 0x08080808,
.phy0_dq = 0x08080808,
.phy1_dq = 0x08080808,
.phy0_tFS = 0x4,
.phy1_tFS = 0x4,
.phy0_pulld_dqs = 0xf,
.phy1_pulld_dqs = 0xf,
.lpddr3_ctrl_phy_reset = 0x1,
.ctrl_start_point = 0x10,
.ctrl_inc = 0x10,
.ctrl_start = 0x1,
.ctrl_dll_on = 0x1,
.ctrl_ref = 0x8,
.ctrl_force = 0x1a,
.ctrl_rdlat = 0x0b,
.ctrl_bstlen = 0x08,
.fp_resync = 0x8,
.iv_size = 0x7,
.dfi_init_start = 1,
.aref_en = 1,
.rd_fetch = 0x3,
.zq_mode_dds = 0x7,
.zq_mode_term = 0x1,
.zq_mode_noterm = 0,
/*
* Dynamic Clock: Always Running
* Memory Burst length: 8
* Number of chips: 1
* Memory Bus width: 32 bit
* Memory Type: DDR3
* Additional Latancy for PLL: 0 Cycle
*/
.memcontrol = DMC_MEMCONTROL_CLK_STOP_DISABLE |
DMC_MEMCONTROL_DPWRDN_DISABLE |
DMC_MEMCONTROL_DPWRDN_ACTIVE_PRECHARGE |
DMC_MEMCONTROL_TP_DISABLE |
DMC_MEMCONTROL_DSREF_ENABLE |
DMC_MEMCONTROL_ADD_LAT_PALL_CYCLE(0) |
DMC_MEMCONTROL_MEM_TYPE_DDR3 |
DMC_MEMCONTROL_MEM_WIDTH_32BIT |
DMC_MEMCONTROL_NUM_CHIP_1 |
DMC_MEMCONTROL_BL_8 |
DMC_MEMCONTROL_PZQ_DISABLE |
DMC_MEMCONTROL_MRR_BYTE_7_0,
.memconfig = DMC_MEMCONFIGx_CHIP_MAP_INTERLEAVED |
DMC_MEMCONFIGx_CHIP_COL_10 |
DMC_MEMCONFIGx_CHIP_ROW_15 |
DMC_MEMCONFIGx_CHIP_BANK_8,
.membaseconfig0 = DMC_MEMBASECONFIG_VAL(0x40),
.membaseconfig1 = DMC_MEMBASECONFIG_VAL(0x80),
.prechconfig_tp_cnt = 0xff,
.dpwrdn_cyc = 0xff,
.dsref_cyc = 0xffff,
.concontrol = DMC_CONCONTROL_DFI_INIT_START_DISABLE |
DMC_CONCONTROL_TIMEOUT_LEVEL0 |
DMC_CONCONTROL_RD_FETCH_DISABLE |
DMC_CONCONTROL_EMPTY_DISABLE |
DMC_CONCONTROL_AREF_EN_DISABLE |
DMC_CONCONTROL_IO_PD_CON_DISABLE,
.dmc_channels = 2,
.chips_per_channel = 2,
.chips_to_configure = 1,
.send_zq_init = 1,
.impedance = IMP_OUTPUT_DRV_30_OHM,
.gate_leveling_enable = 0,
}, {
const struct mem_timings mem_timings = {
.mem_manuf = MEM_MANUF_SAMSUNG,
.mem_type = DDR_MODE_DDR3,
.frequency_mhz = 800,
.mpll_mdiv = 0x64,
.mpll_pdiv = 0x3,
.mpll_sdiv = 0x0,
.cpll_mdiv = 0xde,
.cpll_pdiv = 0x4,
.cpll_sdiv = 0x2,
.gpll_mdiv = 0x215,
.gpll_pdiv = 0xc,
.gpll_sdiv = 0x1,
.epll_mdiv = 0x60,
.epll_pdiv = 0x3,
.epll_sdiv = 0x3,
.vpll_mdiv = 0x96,
.vpll_pdiv = 0x3,
.vpll_sdiv = 0x2,
.bpll_mdiv = 0x64,
.bpll_pdiv = 0x3,
.bpll_sdiv = 0x0,
.use_bpll = 0,
.pclk_cdrex_ratio = 0x5,
.direct_cmd_msr = {
0x00020018, 0x00030000, 0x00010000, 0x00000d70
0x00020018, 0x00030000, 0x00010002, 0x00000d70
},
.timing_ref = 0x000000bb,
.timing_row = 0x8c36660f,
.timing_row = 0x6836650f,
.timing_data = 0x3630580b,
.timing_power = 0x41000a44,
.timing_power = 0x41000a26,
.phy0_dqs = 0x08080808,
.phy1_dqs = 0x08080808,
.phy0_dq = 0x08080808,
@ -191,7 +65,7 @@ const struct mem_timings mem_timings[] = {
.rd_fetch = 0x3,
.zq_mode_dds = 0x5,
.zq_mode_dds = 0x6,
.zq_mode_term = 0x1,
.zq_mode_noterm = 1,
@ -207,20 +81,18 @@ const struct mem_timings mem_timings[] = {
DMC_MEMCONTROL_DPWRDN_DISABLE |
DMC_MEMCONTROL_DPWRDN_ACTIVE_PRECHARGE |
DMC_MEMCONTROL_TP_DISABLE |
DMC_MEMCONTROL_DSREF_ENABLE |
DMC_MEMCONTROL_DSREF_DISABLE |
DMC_MEMCONTROL_ADD_LAT_PALL_CYCLE(0) |
DMC_MEMCONTROL_MEM_TYPE_DDR3 |
DMC_MEMCONTROL_MEM_WIDTH_32BIT |
DMC_MEMCONTROL_NUM_CHIP_1 |
DMC_MEMCONTROL_NUM_CHIP_2 |
DMC_MEMCONTROL_BL_8 |
DMC_MEMCONTROL_PZQ_DISABLE |
DMC_MEMCONTROL_MRR_BYTE_7_0,
.memconfig = DMC_MEMCONFIGx_CHIP_MAP_INTERLEAVED |
.memconfig = DMC_MEMCONFIG_CHIP_MAP_SPLIT |
DMC_MEMCONFIGx_CHIP_COL_10 |
DMC_MEMCONFIGx_CHIP_ROW_15 |
DMC_MEMCONFIGx_CHIP_BANK_8,
.membaseconfig0 = DMC_MEMBASECONFIG_VAL(0x40),
.membaseconfig1 = DMC_MEMBASECONFIG_VAL(0x80),
.prechconfig_tp_cnt = 0xff,
.dpwrdn_cyc = 0xff,
.dsref_cyc = 0xffff,
@ -230,316 +102,9 @@ const struct mem_timings mem_timings[] = {
DMC_CONCONTROL_EMPTY_DISABLE |
DMC_CONCONTROL_AREF_EN_DISABLE |
DMC_CONCONTROL_IO_PD_CON_DISABLE,
.dmc_channels = 2,
.dmc_channels = 1,
.chips_per_channel = 2,
.chips_to_configure = 1,
.chips_to_configure = 2,
.send_zq_init = 1,
.impedance = IMP_OUTPUT_DRV_40_OHM,
.gate_leveling_enable = 1,
},
{
.mem_manuf = MEM_MANUF_ELPIDA,
.mem_type = DDR_MODE_DDR3,
.frequency_mhz = 780,
.mpll_mdiv = 0x64,
.mpll_pdiv = 0x3,
.mpll_sdiv = 0x0,
.cpll_mdiv = 0xde,
.cpll_pdiv = 0x4,
.cpll_sdiv = 0x2,
.gpll_mdiv = 0x215,
.gpll_pdiv = 0xc,
.gpll_sdiv = 0x1,
.epll_mdiv = 0x60,
.epll_pdiv = 0x3,
.epll_sdiv = 0x3,
.vpll_mdiv = 0x96,
.vpll_pdiv = 0x3,
.vpll_sdiv = 0x2,
.bpll_mdiv = 0x82,
.bpll_pdiv = 0x4,
.bpll_sdiv = 0x0,
.use_bpll = 1,
.pclk_cdrex_ratio = 0x5,
.direct_cmd_msr = {
0x00020018, 0x00030000, 0x00010042, 0x00000d70
},
.timing_ref = 0x000000bb,
.timing_row = 0x8c36660f,
.timing_data = 0x3630580b,
.timing_power = 0x41000a44,
.phy0_dqs = 0x08080808,
.phy1_dqs = 0x08080808,
.phy0_dq = 0x08080808,
.phy1_dq = 0x08080808,
.phy0_tFS = 0x4,
.phy1_tFS = 0x4,
.phy0_pulld_dqs = 0xf,
.phy1_pulld_dqs = 0xf,
.lpddr3_ctrl_phy_reset = 0x1,
.ctrl_start_point = 0x10,
.ctrl_inc = 0x10,
.ctrl_start = 0x1,
.ctrl_dll_on = 0x1,
.ctrl_ref = 0x8,
.ctrl_force = 0x1a,
.ctrl_rdlat = 0x0b,
.ctrl_bstlen = 0x08,
.fp_resync = 0x8,
.iv_size = 0x7,
.dfi_init_start = 1,
.aref_en = 1,
.rd_fetch = 0x3,
.zq_mode_dds = 0x7,
.zq_mode_term = 0x1,
.zq_mode_noterm = 0,
/*
* Dynamic Clock: Always Running
* Memory Burst length: 8
* Number of chips: 1
* Memory Bus width: 32 bit
* Memory Type: DDR3
* Additional Latancy for PLL: 0 Cycle
*/
.memcontrol = DMC_MEMCONTROL_CLK_STOP_DISABLE |
DMC_MEMCONTROL_DPWRDN_DISABLE |
DMC_MEMCONTROL_DPWRDN_ACTIVE_PRECHARGE |
DMC_MEMCONTROL_TP_DISABLE |
DMC_MEMCONTROL_DSREF_ENABLE |
DMC_MEMCONTROL_ADD_LAT_PALL_CYCLE(0) |
DMC_MEMCONTROL_MEM_TYPE_DDR3 |
DMC_MEMCONTROL_MEM_WIDTH_32BIT |
DMC_MEMCONTROL_NUM_CHIP_1 |
DMC_MEMCONTROL_BL_8 |
DMC_MEMCONTROL_PZQ_DISABLE |
DMC_MEMCONTROL_MRR_BYTE_7_0,
.memconfig = DMC_MEMCONFIGx_CHIP_MAP_INTERLEAVED |
DMC_MEMCONFIGx_CHIP_COL_10 |
DMC_MEMCONFIGx_CHIP_ROW_15 |
DMC_MEMCONFIGx_CHIP_BANK_8,
.membaseconfig0 = DMC_MEMBASECONFIG_VAL(0x40),
.membaseconfig1 = DMC_MEMBASECONFIG_VAL(0x80),
.prechconfig_tp_cnt = 0xff,
.dpwrdn_cyc = 0xff,
.dsref_cyc = 0xffff,
.concontrol = DMC_CONCONTROL_DFI_INIT_START_DISABLE |
DMC_CONCONTROL_TIMEOUT_LEVEL0 |
DMC_CONCONTROL_RD_FETCH_DISABLE |
DMC_CONCONTROL_EMPTY_DISABLE |
DMC_CONCONTROL_AREF_EN_DISABLE |
DMC_CONCONTROL_IO_PD_CON_DISABLE,
.dmc_channels = 2,
.chips_per_channel = 2,
.chips_to_configure = 1,
.send_zq_init = 1,
.impedance = IMP_OUTPUT_DRV_30_OHM,
.gate_leveling_enable = 0,
}, {
.mem_manuf = MEM_MANUF_SAMSUNG,
.mem_type = DDR_MODE_DDR3,
.frequency_mhz = 780,
.mpll_mdiv = 0x64,
.mpll_pdiv = 0x3,
.mpll_sdiv = 0x0,
.cpll_mdiv = 0xde,
.cpll_pdiv = 0x4,
.cpll_sdiv = 0x2,
.gpll_mdiv = 0x215,
.gpll_pdiv = 0xc,
.gpll_sdiv = 0x1,
.epll_mdiv = 0x60,
.epll_pdiv = 0x3,
.epll_sdiv = 0x3,
.vpll_mdiv = 0x96,
.vpll_pdiv = 0x3,
.vpll_sdiv = 0x2,
.bpll_mdiv = 0x82,
.bpll_pdiv = 0x4,
.bpll_sdiv = 0x0,
.use_bpll = 1,
.pclk_cdrex_ratio = 0x5,
.direct_cmd_msr = {
0x00020018, 0x00030000, 0x00010000, 0x00000d70
},
.timing_ref = 0x000000bb,
.timing_row = 0x8c36660f,
.timing_data = 0x3630580b,
.timing_power = 0x41000a44,
.phy0_dqs = 0x08080808,
.phy1_dqs = 0x08080808,
.phy0_dq = 0x08080808,
.phy1_dq = 0x08080808,
.phy0_tFS = 0x8,
.phy1_tFS = 0x8,
.phy0_pulld_dqs = 0xf,
.phy1_pulld_dqs = 0xf,
.lpddr3_ctrl_phy_reset = 0x1,
.ctrl_start_point = 0x10,
.ctrl_inc = 0x10,
.ctrl_start = 0x1,
.ctrl_dll_on = 0x1,
.ctrl_ref = 0x8,
.ctrl_force = 0x1a,
.ctrl_rdlat = 0x0b,
.ctrl_bstlen = 0x08,
.fp_resync = 0x8,
.iv_size = 0x7,
.dfi_init_start = 1,
.aref_en = 1,
.rd_fetch = 0x3,
.zq_mode_dds = 0x5,
.zq_mode_term = 0x1,
.zq_mode_noterm = 1,
/*
* Dynamic Clock: Always Running
* Memory Burst length: 8
* Number of chips: 1
* Memory Bus width: 32 bit
* Memory Type: DDR3
* Additional Latancy for PLL: 0 Cycle
*/
.memcontrol = DMC_MEMCONTROL_CLK_STOP_DISABLE |
DMC_MEMCONTROL_DPWRDN_DISABLE |
DMC_MEMCONTROL_DPWRDN_ACTIVE_PRECHARGE |
DMC_MEMCONTROL_TP_DISABLE |
DMC_MEMCONTROL_DSREF_ENABLE |
DMC_MEMCONTROL_ADD_LAT_PALL_CYCLE(0) |
DMC_MEMCONTROL_MEM_TYPE_DDR3 |
DMC_MEMCONTROL_MEM_WIDTH_32BIT |
DMC_MEMCONTROL_NUM_CHIP_1 |
DMC_MEMCONTROL_BL_8 |
DMC_MEMCONTROL_PZQ_DISABLE |
DMC_MEMCONTROL_MRR_BYTE_7_0,
.memconfig = DMC_MEMCONFIGx_CHIP_MAP_INTERLEAVED |
DMC_MEMCONFIGx_CHIP_COL_10 |
DMC_MEMCONFIGx_CHIP_ROW_15 |
DMC_MEMCONFIGx_CHIP_BANK_8,
.membaseconfig0 = DMC_MEMBASECONFIG_VAL(0x40),
.membaseconfig1 = DMC_MEMBASECONFIG_VAL(0x80),
.prechconfig_tp_cnt = 0xff,
.dpwrdn_cyc = 0xff,
.dsref_cyc = 0xffff,
.concontrol = DMC_CONCONTROL_DFI_INIT_START_DISABLE |
DMC_CONCONTROL_TIMEOUT_LEVEL0 |
DMC_CONCONTROL_RD_FETCH_DISABLE |
DMC_CONCONTROL_EMPTY_DISABLE |
DMC_CONCONTROL_AREF_EN_DISABLE |
DMC_CONCONTROL_IO_PD_CON_DISABLE,
.dmc_channels = 2,
.chips_per_channel = 2,
.chips_to_configure = 1,
.send_zq_init = 1,
.impedance = IMP_OUTPUT_DRV_40_OHM,
.gate_leveling_enable = 1,
}
};
#define BOARD_ID0_GPIO 88 /* GPD0, pin 0 */
#define BOARD_ID1_GPIO 89 /* GPD0, pin 1 */
enum board_config {
PIT_CONFIG_UNKNOWN = -1,
PIT_CONFIG_SAMSUNG_EVT,
PIT_CONFIG_ELPIDA_EVT,
PIT_CONFIG_SAMSUNG_DVT,
PIT_CONFIG_ELPIDA_DVT,
PIT_CONFIG_SAMSUNG_PVT,
PIT_CONFIG_ELPIDA_PVT,
PIT_CONFIG_SAMSUNG_MP,
PIT_CONFIG_ELPIDA_MP,
PIT_CONFIG_RSVD,
};
struct {
enum mvl3 id0, id1;
enum board_config config;
} id_map[] = {
/* ID0 ID1 config */
{ LOGIC_0, LOGIC_0, PIT_CONFIG_SAMSUNG_MP },
{ LOGIC_0, LOGIC_1, PIT_CONFIG_ELPIDA_MP },
{ LOGIC_1, LOGIC_0, PIT_CONFIG_SAMSUNG_DVT },
{ LOGIC_1, LOGIC_1, PIT_CONFIG_ELPIDA_DVT },
{ LOGIC_0, LOGIC_Z, PIT_CONFIG_SAMSUNG_PVT },
{ LOGIC_1, LOGIC_Z, PIT_CONFIG_ELPIDA_PVT },
{ LOGIC_Z, LOGIC_0, PIT_CONFIG_SAMSUNG_MP },
{ LOGIC_Z, LOGIC_Z, PIT_CONFIG_ELPIDA_MP },
{ LOGIC_Z, LOGIC_1, PIT_CONFIG_RSVD },
};
static int board_get_config(void)
{
int i;
int id0, id1;
enum board_config config = PIT_CONFIG_UNKNOWN;
id0 = gpio_read_mvl3(BOARD_ID0_GPIO);
id1 = gpio_read_mvl3(BOARD_ID1_GPIO);
if (id0 < 0 || id1 < 0)
return -1;
for (i = 0; i < ARRAY_SIZE(id_map); i++) {
if (id0 == id_map[i].id0 && id1 == id_map[i].id1) {
config = id_map[i].config;
break;
}
}
return config;
}
struct mem_timings *get_mem_timings(void)
{
int i;
enum board_config config;
enum ddr_mode mem_type;
unsigned int frequency_mhz;
enum mem_manuf mem_manuf;
const struct mem_timings *mem;
config = board_get_config();
switch (config) {
case PIT_CONFIG_ELPIDA_EVT:
case PIT_CONFIG_ELPIDA_DVT:
case PIT_CONFIG_ELPIDA_PVT:
case PIT_CONFIG_ELPIDA_MP:
mem_manuf = MEM_MANUF_ELPIDA;
mem_type = DDR_MODE_DDR3;
frequency_mhz = 800;
break;
case PIT_CONFIG_SAMSUNG_EVT:
case PIT_CONFIG_SAMSUNG_DVT:
case PIT_CONFIG_SAMSUNG_PVT:
case PIT_CONFIG_SAMSUNG_MP:
mem_manuf = MEM_MANUF_SAMSUNG;
mem_type = DDR_MODE_DDR3;
frequency_mhz = 800;
break;
default:
printk(BIOS_CRIT, "Unknown board configuration.\n");
return NULL;
}
for (i = 0, mem = mem_timings; i < ARRAY_SIZE(mem_timings);
i++, mem++) {
if (mem->mem_type == mem_type &&
mem->frequency_mhz == frequency_mhz &&
mem->mem_manuf == mem_manuf)
return (struct mem_timings *)mem;
}
return NULL;
}

View File

@ -130,7 +130,7 @@ static void setup_gpio(void)
static void setup_memory(struct mem_timings *mem, int is_resume)
{
printk(BIOS_SPEW, "man: 0x%x type: 0x%x, div: 0x%x, mhz: %d\n",
printk(BIOS_SPEW, "manufacturer: 0x%x type: 0x%x, div: 0x%x, mhz: %d\n",
mem->mem_manuf,
mem->mem_type,
mem->mpll_mdiv,
@ -148,27 +148,97 @@ static void setup_memory(struct mem_timings *mem, int is_resume)
}
}
static struct mem_timings *setup_clock(void)
#define PRIMITIVE_MEM_TEST 0
#if PRIMITIVE_MEM_TEST
static unsigned long primitive_mem_test(void)
{
struct mem_timings *mem = get_mem_timings();
if (!mem) {
die("Unable to auto-detect memory timings\n");
unsigned long *l = (void *)0x40000000;
int bad = 0;
unsigned long i;
for(i = 0; i < 256*1048576; i++){
if (! (i%1048576))
printk(BIOS_SPEW, "%lu ...", i);
l[i] = 0xffffffff - i;
}
system_clock_init();
for(i = 0; i < 256*1048576; i++){
if (! (i%1048576))
printk(BIOS_SPEW, "%lu ...", i);
if (l[i] != (0xffffffff - i)){
printk(BIOS_SPEW, "%p: want %08lx got %08lx\n", l, l[i], 0xffffffff - i);
bad++;
}
}
return mem;
printk(BIOS_SPEW, "%d errors\n", bad);
return bad;
}
#else
#define primitive_mem_test()
#endif
#define SIMPLE_SPI_TEST 0
#if SIMPLE_SPI_TEST
/* here is a simple SPI debug test, known to fid trouble */
static void simple_spi_test(void)
{
struct cbfs_media default_media, *media;
int i, amt = 4 * MiB, errors = 0;
//u32 *data = (void *)0x40000000;
u32 data[1024];
u32 in;
amt = sizeof(data);
media = &default_media;
if (init_default_cbfs_media(media) != 0) {
printk(BIOS_SPEW, "Failed to initialize default media.\n");
return;
}
media->open(media);
if (media->read(media, data, (size_t) 0, amt) < amt){
printk(BIOS_SPEW, "simple_spi_test fails\n");
return;
}
for(i = 0; i < amt; i += 4){
if (media->read(media, &in, (size_t) i, 4) < 1){
printk(BIOS_SPEW, "simple_spi_test fails at %d\n", i);
return;
}
if (data[i/4] != in){
errors++;
printk(BIOS_SPEW, "BAD at %d(%p):\nRAM %08lx\nSPI %08lx\n",
i, &data[i/4], (unsigned long)data[i/4], (unsigned long)in);
/* reread it to see which is wrong. */
if (media->read(media, &in, (size_t) i, 4) < 1){
printk(BIOS_SPEW, "simple_spi_test fails at %d\n", i);
return;
}
printk(BIOS_SPEW, "RTRY at %d(%p):\nRAM %08lx\nSPI %08lx\n",
i, &data[i/4], (unsigned long)data[i/4], (unsigned long)in);
}
}
printk(BIOS_SPEW, "%d errors\n", errors);
}
#else
#define simple_spi_test()
#endif
void main(void)
{
struct mem_timings *mem;
extern struct mem_timings mem_timings;
void *entry;
int is_resume = (get_wakeup_state() != IS_NOT_WAKEUP);
/* Clock must be initialized before console_init, otherwise you may need
* to re-initialize serial console drivers again. */
mem = setup_clock();
system_clock_init();
console_init();
@ -176,7 +246,9 @@ void main(void)
setup_power();
}
setup_memory(mem, is_resume);
setup_memory(&mem_timings, is_resume);
primitive_mem_test();
if (is_resume) {
wakeup();
@ -186,9 +258,12 @@ void main(void)
setup_gpio();
setup_graphics();
simple_spi_test();
/* Set SPI (primary CBFS media) clock to 50MHz. */
/* if this is uncommented SPI will not work correctly. */
clock_set_rate(PERIPH_ID_SPI1, 50000000);
simple_spi_test();
entry = cbfs_load_stage(CBFS_DEFAULT_MEDIA, "fallback/coreboot_ram");
simple_spi_test();
stage_exit(entry);
}