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/*
* 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/ddr3.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,
};
/******************************************************/
/* DDR PHY Configs Updated for PG 2.0
* zq0,1,2cr1 are updated for PG 2.0 specific configs *_pg2 */
static struct ddr3_phy_config ddr3phy_1600_64A_pg2 = {
.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),
.dcr_val = ((1 << 10)),
.dtpr0 = 0xA19DBB66ul,
.dtpr1 = 0x32868300ul,
.dtpr2 = 0x50035200ul,
.mr0 = 0x00001C70ul,
.mr1 = 0x00000006ul,
.mr2 = 0x00000018ul,
.dtcr = 0x730035C7ul,
.pgcr2 = 0x00F07A12ul,
.zq0cr1 = 0x0001005Dul,
.zq1cr1 = 0x0001005Bul,
.zq2cr1 = 0x0001005Bul,
.pir_v1 = 0x00000033ul,
.pir_v2 = 0x0000FF81ul,
};
static struct ddr3_phy_config ddr3phy_1333_64A_pg2 = {
.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),
.dcr_val = ((1 << 10)),
.dtpr0 = 0x8558AA55ul,
.dtpr1 = 0x32857280ul,
.dtpr2 = 0x5002C200ul,
.mr0 = 0x00001A60ul,
.mr1 = 0x00000006ul,
.mr2 = 0x00000010ul,
.dtcr = 0x710035C7ul,
.pgcr2 = 0x00F065B8ul,
.zq0cr1 = 0x0001005Dul,
.zq1cr1 = 0x0001005Bul,
.zq2cr1 = 0x0001005Bul,
.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 ddr3_init(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) {
if (cpu_revision() > 1) {
/* PG 2.0 */
/* Reset DDR3A PHY after PLL enabled */
ddr3_reset_ddrphy();
ddr3_init_ddrphy(KS2_DDR3A_DDRPHYC,
&ddr3phy_1600_64A_pg2);
} else {
/* PG 1.1 */
ddr3_init_ddrphy(KS2_DDR3A_DDRPHYC,
&ddr3phy_1600_64A);
}
ddr3_init_ddremif(KS2_DDR3A_EMIF_CTRL_BASE,
&ddr3_1600_64);
printf("DRAM: Capacity 8 GiB (includes reported below)\n");
} else {
ddr3_init_ddrphy(KS2_DDR3A_DDRPHYC, &ddr3phy_1600_32);
ddr3_init_ddremif(KS2_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) {
if (cpu_revision() > 1) {
/* PG 2.0 */
/* Reset DDR3A PHY after PLL enabled */
ddr3_reset_ddrphy();
ddr3_init_ddrphy(KS2_DDR3A_DDRPHYC,
&ddr3phy_1333_64A_pg2);
} else {
/* PG 1.1 */
ddr3_init_ddrphy(KS2_DDR3A_DDRPHYC,
&ddr3phy_1333_64A);
}
ddr3_init_ddremif(KS2_DDR3A_EMIF_CTRL_BASE,
&ddr3_1333_64);
} else {
ddr3_init_ddrphy(KS2_DDR3A_DDRPHYC, &ddr3phy_1333_32);
ddr3_init_ddremif(KS2_DDR3A_EMIF_CTRL_BASE,
&ddr3_1333_32);
}
} else {
printf("Unknown SO-DIMM. Cannot configure DDR3\n");
while (1)
;
}
init_pll(&ddr3b_333);
ddr3_init_ddrphy(KS2_DDR3B_DDRPHYC, &ddr3phy_1333_64);
ddr3_init_ddremif(KS2_DDR3B_EMIF_CTRL_BASE, &ddr3_1333_64);
}
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