Gabe Black (gabeblack@chromium.org) just uploaded a new patch set to gerrit, which you can find at http://review.coreboot.org/3677
-gerrit
commit 55b03495004b52776152c3c4858b302046352c26 Author: Ronald G. Minnich rminnich@google.com Date: Mon Jun 3 13:03:50 2013 -0700
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 --- src/cpu/samsung/exynos5420/clock_init.c | 1 + src/cpu/samsung/exynos5420/cpu.h | 76 +++++ src/cpu/samsung/exynos5420/dmc.h | 208 ++++++++----- src/cpu/samsung/exynos5420/dmc_common.c | 11 +- src/cpu/samsung/exynos5420/dmc_init_ddr3.c | 459 +++++++++++++++++------------ src/cpu/samsung/exynos5420/power.c | 1 + src/cpu/samsung/exynos5420/setup.h | 158 +++++++++- src/mainboard/google/pit/Kconfig | 1 + src/mainboard/google/pit/memory.c | 457 +--------------------------- src/mainboard/google/pit/romstage.c | 97 +++++- 10 files changed, 738 insertions(+), 731 deletions(-)
diff --git a/src/cpu/samsung/exynos5420/clock_init.c b/src/cpu/samsung/exynos5420/clock_init.c index 0a13c9e..2ce975c 100644 --- a/src/cpu/samsung/exynos5420/clock_init.c +++ b/src/cpu/samsung/exynos5420/clock_init.c @@ -24,6 +24,7 @@ #include "clk.h" #include "cpu.h" #include "dp.h" +#include "dmc.h" #include "setup.h"
void system_clock_init(void) diff --git a/src/cpu/samsung/exynos5420/cpu.h b/src/cpu/samsung/exynos5420/cpu.h index 7cdd35e..05be3cc 100644 --- a/src/cpu/samsung/exynos5420/cpu.h +++ b/src/cpu/samsung/exynos5420/cpu.h @@ -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) diff --git a/src/cpu/samsung/exynos5420/dmc.h b/src/cpu/samsung/exynos5420/dmc.h index cd5ff23..df7797d 100644 --- a/src/cpu/samsung/exynos5420/dmc.h +++ b/src/cpu/samsung/exynos5420/dmc.h @@ -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 { diff --git a/src/cpu/samsung/exynos5420/dmc_common.c b/src/cpu/samsung/exynos5420/dmc_common.c index 3abc3d3..bef76d1 100644 --- a/src/cpu/samsung/exynos5420/dmc_common.c +++ b/src/cpu/samsung/exynos5420/dmc_common.c @@ -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); -} - diff --git a/src/cpu/samsung/exynos5420/dmc_init_ddr3.c b/src/cpu/samsung/exynos5420/dmc_init_ddr3.c index 2d78087..74ee7e9 100644 --- a/src/cpu/samsung/exynos5420/dmc_init_ddr3.c +++ b/src/cpu/samsung/exynos5420/dmc_init_ddr3.c @@ -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) -{ - 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); -} +/* 'reset' field is currently ignored. */
-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) { - 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; - - 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__); - } + 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;
- /* 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 PAUSE for DREX */ + setbits_le32(&clk->pause, ENABLE_BIT); + + /* 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); - - update_reset_dll(dmc, DDR_MODE_DDR3); - - /* 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); - - writel(mem->phy0_dq, &phy0_ctrl->phy_con6); - writel(mem->phy1_dq, &phy1_ctrl->phy_con6); - - writel(mem->phy0_tFS, &phy0_ctrl->phy_con10); - writel(mem->phy1_tFS, &phy1_ctrl->phy_con10); - - 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); - - /* 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); - - 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); + val = MEM_TERM_EN | PHY_TERM_EN; + writel(val, &drex0->phycontrol0); + writel(val, &drex1->phycontrol0); + + 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); + + 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); + + clrbits_le32(&drex0->concontrol, DFI_INIT_START); + clrbits_le32(&drex1->concontrol, DFI_INIT_START); + + update_reset_dll(drex0, DDR_MODE_DDR3); + update_reset_dll(drex1, DDR_MODE_DDR3); + + /* 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); + + /* 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); + + /* 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 = readl(&phy0_ctrl->phy_con1); + val |= (RDLVL_PASS_ADJ_VAL << RDLVL_PASS_ADJ_OFFSET); + writel(val, &phy0_ctrl->phy_con1);
- 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 = readl(&phy1_ctrl->phy_con1); + val |= (RDLVL_PASS_ADJ_VAL << RDLVL_PASS_ADJ_OFFSET); + writel(val, &phy1_ctrl->phy_con1);
- 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); + 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);
- val = PHY_CON1_RESET_VAL; + 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, &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) { + 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); - - update_reset_dll(dmc, DDR_MODE_DDR3); + writel(0x00030000, &drex0->directcmd); + writel(0x00130000, &drex0->directcmd); + writel(0x00030000, &drex1->directcmd); + writel(0x00130000, &drex1->directcmd); + + /* 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; } diff --git a/src/cpu/samsung/exynos5420/power.c b/src/cpu/samsung/exynos5420/power.c index 82791b6..18e0299 100644 --- a/src/cpu/samsung/exynos5420/power.c +++ b/src/cpu/samsung/exynos5420/power.c @@ -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" diff --git a/src/cpu/samsung/exynos5420/setup.h b/src/cpu/samsung/exynos5420/setup.h index 34056f3..7d486f0 100644 --- a/src/cpu/samsung/exynos5420/setup.h +++ b/src/cpu/samsung/exynos5420/setup.h @@ -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 diff --git a/src/mainboard/google/pit/Kconfig b/src/mainboard/google/pit/Kconfig index 8aed0a0..0dc013b 100644 --- a/src/mainboard/google/pit/Kconfig +++ b/src/mainboard/google/pit/Kconfig @@ -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 diff --git a/src/mainboard/google/pit/memory.c b/src/mainboard/google/pit/memory.c index 68c2bd6..74f3e6e 100644 --- a/src/mainboard/google/pit/memory.c +++ b/src/mainboard/google/pit/memory.c @@ -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; -} diff --git a/src/mainboard/google/pit/romstage.c b/src/mainboard/google/pit/romstage.c index 8a5a1dd..1ff8d51 100644 --- a/src/mainboard/google/pit/romstage.c +++ b/src/mainboard/google/pit/romstage.c @@ -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++; + } + } + + printk(BIOS_SPEW, "%d errors\n", bad);
- return mem; + 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); }