*/
#include <common.h>
+#include "ddr3_cfg.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)
+u32 ddr3_init(void)
{
- char dimm_name[32];
+ u32 ddr3_size;
+ struct ddr3_spd_cb spd_cb;
- get_dimm_params(dimm_name);
+ if (ddr3_get_dimm_params_from_spd(&spd_cb)) {
+ printf("Sorry, I don't know how to configure DDR3A.\n"
+ "Bye :(\n");
+ for (;;)
+ ;
+ }
- printf("Detected SO-DIMM [%s]\n", dimm_name);
+ printf("Detected SO-DIMM [%s]\n", spd_cb.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);
- }
+ if ((cpu_revision() > 1) ||
+ (__raw_readl(KS2_RSTCTRL_RSTYPE) & 0x1)) {
+ printf("DDR3 speed %d\n", spd_cb.ddrspdclock);
+ if (spd_cb.ddrspdclock == 1600)
+ init_pll(&ddr3a_400);
+ else
+ init_pll(&ddr3a_333);
+ }
- 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);
+ if (cpu_revision() > 0) {
+ if (cpu_revision() > 1) {
+ /* PG 2.0 */
+ /* Reset DDR3A PHY after PLL enabled */
+ ddr3_reset_ddrphy();
+ spd_cb.phy_cfg.zq0cr1 |= 0x10000;
+ spd_cb.phy_cfg.zq1cr1 |= 0x10000;
+ spd_cb.phy_cfg.zq2cr1 |= 0x10000;
}
+ ddr3_init_ddrphy(KS2_DDR3A_DDRPHYC, &spd_cb.phy_cfg);
+
+ ddr3_init_ddremif(KS2_DDR3A_EMIF_CTRL_BASE, &spd_cb.emif_cfg);
+
+ ddr3_size = spd_cb.ddr_size_gbyte;
} else {
- printf("Unknown SO-DIMM. Cannot configure DDR3\n");
- while (1)
- ;
+ ddr3_init_ddrphy(KS2_DDR3A_DDRPHYC, &spd_cb.phy_cfg);
+ spd_cb.emif_cfg.sdcfg |= 0x1000;
+ ddr3_init_ddremif(KS2_DDR3A_EMIF_CTRL_BASE, &spd_cb.emif_cfg);
+ ddr3_size = spd_cb.ddr_size_gbyte / 2;
}
+ printf("DRAM: %d GiB (includes reported below)\n", ddr3_size);
+
+ /* Apply the workaround for PG 1.0 and 1.1 Silicons */
+ if (cpu_revision() <= 1)
+ ddr3_err_reset_workaround();
- init_pll(&ddr3b_333);
- ddr3_init_ddrphy(KS2_DDR3B_DDRPHYC, &ddr3phy_1333_64);
- ddr3_init_ddremif(KS2_DDR3B_EMIF_CTRL_BASE, &ddr3_1333_64);
+ return ddr3_size;
}
projects / u-boot / blobdiff