--- /dev/null
+/*
+ * Keystone2: DDR3 initialization
+ *
+ * (C) Copyright 2012-2014
+ * Texas Instruments Incorporated, <www.ti.com>
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+#include <common.h>
+#include <asm/arch/hardware.h>
+#include <asm/io.h>
+#include <i2c.h>
+
+/************************* *****************************/
+static struct ddr3_phy_config ddr3phy_1600_64A = {
+ .pllcr = 0x0001C000ul,
+ .pgcr1_mask = (IODDRM_MASK | ZCKSEL_MASK),
+ .pgcr1_val = ((1 << 2) | (1 << 7) | (1 << 23)),
+ .ptr0 = 0x42C21590ul,
+ .ptr1 = 0xD05612C0ul,
+ .ptr2 = 0, /* not set in gel */
+ .ptr3 = 0x0D861A80ul,
+ .ptr4 = 0x0C827100ul,
+ .dcr_mask = (PDQ_MASK | MPRDQ_MASK | BYTEMASK_MASK | NOSRA_MASK),
+ .dcr_val = ((1 << 10) | (1 << 27)),
+ .dtpr0 = 0xA19DBB66ul,
+ .dtpr1 = 0x12868300ul,
+ .dtpr2 = 0x50035200ul,
+ .mr0 = 0x00001C70ul,
+ .mr1 = 0x00000006ul,
+ .mr2 = 0x00000018ul,
+ .dtcr = 0x730035C7ul,
+ .pgcr2 = 0x00F07A12ul,
+ .zq0cr1 = 0x0000005Dul,
+ .zq1cr1 = 0x0000005Bul,
+ .zq2cr1 = 0x0000005Bul,
+ .pir_v1 = 0x00000033ul,
+ .pir_v2 = 0x0000FF81ul,
+};
+
+static struct ddr3_emif_config ddr3_1600_64 = {
+ .sdcfg = 0x6200CE6aul,
+ .sdtim1 = 0x16709C55ul,
+ .sdtim2 = 0x00001D4Aul,
+ .sdtim3 = 0x435DFF54ul,
+ .sdtim4 = 0x553F0CFFul,
+ .zqcfg = 0xF0073200ul,
+ .sdrfc = 0x00001869ul,
+};
+
+static struct ddr3_phy_config ddr3phy_1600_32 = {
+ .pllcr = 0x0001C000ul,
+ .pgcr1_mask = (IODDRM_MASK | ZCKSEL_MASK),
+ .pgcr1_val = ((1 << 2) | (1 << 7) | (1 << 23)),
+ .ptr0 = 0x42C21590ul,
+ .ptr1 = 0xD05612C0ul,
+ .ptr2 = 0, /* not set in gel */
+ .ptr3 = 0x0D861A80ul,
+ .ptr4 = 0x0C827100ul,
+ .dcr_mask = (PDQ_MASK | MPRDQ_MASK | BYTEMASK_MASK | NOSRA_MASK),
+ .dcr_val = ((1 << 10) | (1 << 27)),
+ .dtpr0 = 0xA19DBB66ul,
+ .dtpr1 = 0x12868300ul,
+ .dtpr2 = 0x50035200ul,
+ .mr0 = 0x00001C70ul,
+ .mr1 = 0x00000006ul,
+ .mr2 = 0x00000018ul,
+ .dtcr = 0x730035C7ul,
+ .pgcr2 = 0x00F07A12ul,
+ .zq0cr1 = 0x0000005Dul,
+ .zq1cr1 = 0x0000005Bul,
+ .zq2cr1 = 0x0000005Bul,
+ .pir_v1 = 0x00000033ul,
+ .pir_v2 = 0x0000FF81ul,
+};
+
+static struct ddr3_emif_config ddr3_1600_32 = {
+ .sdcfg = 0x6200DE6aul,
+ .sdtim1 = 0x16709C55ul,
+ .sdtim2 = 0x00001D4Aul,
+ .sdtim3 = 0x435DFF54ul,
+ .sdtim4 = 0x553F0CFFul,
+ .zqcfg = 0x70073200ul,
+ .sdrfc = 0x00001869ul,
+};
+
+/************************* *****************************/
+static struct ddr3_phy_config ddr3phy_1333_64A = {
+ .pllcr = 0x0005C000ul,
+ .pgcr1_mask = (IODDRM_MASK | ZCKSEL_MASK),
+ .pgcr1_val = ((1 << 2) | (1 << 7) | (1 << 23)),
+ .ptr0 = 0x42C21590ul,
+ .ptr1 = 0xD05612C0ul,
+ .ptr2 = 0, /* not set in gel */
+ .ptr3 = 0x0B4515C2ul,
+ .ptr4 = 0x0A6E08B4ul,
+ .dcr_mask = (PDQ_MASK | MPRDQ_MASK | BYTEMASK_MASK |
+ NOSRA_MASK | UDIMM_MASK),
+ .dcr_val = ((1 << 10) | (1 << 27) | (1 << 29)),
+ .dtpr0 = 0x8558AA55ul,
+ .dtpr1 = 0x12857280ul,
+ .dtpr2 = 0x5002C200ul,
+ .mr0 = 0x00001A60ul,
+ .mr1 = 0x00000006ul,
+ .mr2 = 0x00000010ul,
+ .dtcr = 0x710035C7ul,
+ .pgcr2 = 0x00F065B8ul,
+ .zq0cr1 = 0x0000005Dul,
+ .zq1cr1 = 0x0000005Bul,
+ .zq2cr1 = 0x0000005Bul,
+ .pir_v1 = 0x00000033ul,
+ .pir_v2 = 0x0000FF81ul,
+};
+
+static struct ddr3_emif_config ddr3_1333_64 = {
+ .sdcfg = 0x62008C62ul,
+ .sdtim1 = 0x125C8044ul,
+ .sdtim2 = 0x00001D29ul,
+ .sdtim3 = 0x32CDFF43ul,
+ .sdtim4 = 0x543F0ADFul,
+ .zqcfg = 0xF0073200ul,
+ .sdrfc = 0x00001457ul,
+};
+
+static struct ddr3_phy_config ddr3phy_1333_32 = {
+ .pllcr = 0x0005C000ul,
+ .pgcr1_mask = (IODDRM_MASK | ZCKSEL_MASK),
+ .pgcr1_val = ((1 << 2) | (1 << 7) | (1 << 23)),
+ .ptr0 = 0x42C21590ul,
+ .ptr1 = 0xD05612C0ul,
+ .ptr2 = 0, /* not set in gel */
+ .ptr3 = 0x0B4515C2ul,
+ .ptr4 = 0x0A6E08B4ul,
+ .dcr_mask = (PDQ_MASK | MPRDQ_MASK | BYTEMASK_MASK |
+ NOSRA_MASK | UDIMM_MASK),
+ .dcr_val = ((1 << 10) | (1 << 27) | (1 << 29)),
+ .dtpr0 = 0x8558AA55ul,
+ .dtpr1 = 0x12857280ul,
+ .dtpr2 = 0x5002C200ul,
+ .mr0 = 0x00001A60ul,
+ .mr1 = 0x00000006ul,
+ .mr2 = 0x00000010ul,
+ .dtcr = 0x710035C7ul,
+ .pgcr2 = 0x00F065B8ul,
+ .zq0cr1 = 0x0000005Dul,
+ .zq1cr1 = 0x0000005Bul,
+ .zq2cr1 = 0x0000005Bul,
+ .pir_v1 = 0x00000033ul,
+ .pir_v2 = 0x0000FF81ul,
+};
+
+static struct ddr3_emif_config ddr3_1333_32 = {
+ .sdcfg = 0x62009C62ul,
+ .sdtim1 = 0x125C8044ul,
+ .sdtim2 = 0x00001D29ul,
+ .sdtim3 = 0x32CDFF43ul,
+ .sdtim4 = 0x543F0ADFul,
+ .zqcfg = 0xf0073200ul,
+ .sdrfc = 0x00001457ul,
+};
+
+/************************* *****************************/
+static struct ddr3_phy_config ddr3phy_1333_64 = {
+ .pllcr = 0x0005C000ul,
+ .pgcr1_mask = (IODDRM_MASK | ZCKSEL_MASK),
+ .pgcr1_val = ((1 << 2) | (1 << 7) | (1 << 23)),
+ .ptr0 = 0x42C21590ul,
+ .ptr1 = 0xD05612C0ul,
+ .ptr2 = 0, /* not set in gel */
+ .ptr3 = 0x0B4515C2ul,
+ .ptr4 = 0x0A6E08B4ul,
+ .dcr_mask = (PDQ_MASK | MPRDQ_MASK | BYTEMASK_MASK | NOSRA_MASK),
+ .dcr_val = ((1 << 10) | (1 << 27)),
+ .dtpr0 = 0x8558AA55ul,
+ .dtpr1 = 0x12857280ul,
+ .dtpr2 = 0x5002C200ul,
+ .mr0 = 0x00001A60ul,
+ .mr1 = 0x00000006ul,
+ .mr2 = 0x00000010ul,
+ .dtcr = 0x710035C7ul,
+ .pgcr2 = 0x00F065B8ul,
+ .zq0cr1 = 0x0000005Dul,
+ .zq1cr1 = 0x0000005Bul,
+ .zq2cr1 = 0x0000005Bul,
+ .pir_v1 = 0x00000033ul,
+ .pir_v2 = 0x0000FF81ul,
+};
+/******************************************************/
+int get_dimm_params(char *dimm_name)
+{
+ u8 spd_params[256];
+ int ret;
+ int old_bus;
+
+ i2c_init(CONFIG_SYS_DAVINCI_I2C_SPEED, CONFIG_SYS_DAVINCI_I2C_SLAVE);
+
+ old_bus = i2c_get_bus_num();
+ i2c_set_bus_num(1);
+
+ ret = i2c_read(0x53, 0, 1, spd_params, 256);
+
+ i2c_set_bus_num(old_bus);
+
+ dimm_name[0] = '\0';
+
+ if (ret) {
+ puts("Cannot read DIMM params\n");
+ return 1;
+ }
+
+ /*
+ * We need to convert spd data to dimm parameters
+ * and to DDR3 EMIF and PHY regirsters values.
+ * For now we just return DIMM type string value.
+ * Caller may use this value to choose appropriate
+ * a pre-set DDR3 configuration
+ */
+
+ strncpy(dimm_name, (char *)&spd_params[0x80], 18);
+ dimm_name[18] = '\0';
+
+ return 0;
+}
+
+struct pll_init_data ddr3a_333 = DDR3_PLL_333(A);
+struct pll_init_data ddr3b_333 = DDR3_PLL_333(B);
+struct pll_init_data ddr3a_400 = DDR3_PLL_400(A);
+struct pll_init_data ddr3b_400 = DDR3_PLL_400(B);
+
+void init_ddr3(void)
+{
+ char dimm_name[32];
+
+ get_dimm_params(dimm_name);
+
+ printf("Detected SO-DIMM [%s]\n", dimm_name);
+
+ if (!strcmp(dimm_name, "18KSF1G72HZ-1G6E2 ")) {
+ init_pll(&ddr3a_400);
+ if (cpu_revision() > 0) {
+ init_ddrphy(K2HK_DDR3A_DDRPHYC, &ddr3phy_1600_64A);
+ init_ddremif(K2HK_DDR3A_EMIF_CTRL_BASE, &ddr3_1600_64);
+ printf("DRAM: Capacity 8 GiB (includes reported below)\n");
+ } else {
+ init_ddrphy(K2HK_DDR3A_DDRPHYC, &ddr3phy_1600_32);
+ init_ddremif(K2HK_DDR3A_EMIF_CTRL_BASE, &ddr3_1600_32);
+ printf("DRAM: Capacity 4 GiB (includes reported below)\n");
+ }
+ } else if (!strcmp(dimm_name, "SQR-SD3T-2G1333SED")) {
+ init_pll(&ddr3a_333);
+ if (cpu_revision() > 0) {
+ init_ddrphy(K2HK_DDR3A_DDRPHYC, &ddr3phy_1333_64A);
+ init_ddremif(K2HK_DDR3A_EMIF_CTRL_BASE, &ddr3_1333_64);
+ } else {
+ init_ddrphy(K2HK_DDR3A_DDRPHYC, &ddr3phy_1333_32);
+ init_ddremif(K2HK_DDR3A_EMIF_CTRL_BASE, &ddr3_1333_32);
+ }
+ } else {
+ printf("Unknown SO-DIMM. Cannot configure DDR3\n");
+ while (1)
+ ;
+ }
+
+ init_pll(&ddr3b_333);
+ init_ddrphy(K2HK_DDR3B_DDRPHYC, &ddr3phy_1333_64);
+ init_ddremif(K2HK_DDR3B_EMIF_CTRL_BASE, &ddr3_1333_64);
+}
Code Review / kvmfornfv.git / blobdiff