Commit c4a2736c authored by Lokesh Vutla's avatar Lokesh Vutla Committed by Tom Rini

ARM: DRA7: EMIF: Add 4GB DDR settings

The REVH and later versions of DRA7-evm uses MICRON MT41K512M16HA-125 memory
chips which is of size 4GB(2GB on EMIF1 and 2GB on EMIF2). Add support for the
same.
Acked-by: default avatarNishanth Menon <nm@ti.com>
Reviewed-by: default avatarTom Rini <trini@konsulko.com>
Signed-off-by: default avatarLokesh Vutla <lokeshvutla@ti.com>
parent 212425b2
......@@ -34,6 +34,8 @@
#define board_is_dra74x_evm() board_ti_is("5777xCPU")
#define board_is_dra74x_revh_or_later() board_is_dra74x_evm() && \
(strncmp("H", board_ti_get_rev(), 1) <= 0)
#define board_ti_get_emif_size() board_ti_get_emif1_size() + \
board_ti_get_emif2_size()
#ifdef CONFIG_DRIVER_TI_CPSW
#include <cpsw.h>
......@@ -125,18 +127,78 @@ static const struct emif_regs emif_1_regs_ddr3_666_mhz_1cs_dra_es1 = {
.emif_rd_wr_exec_thresh = 0x00000305
};
const struct emif_regs emif1_ddr3_532_mhz_1cs_2G = {
.sdram_config_init = 0x61851ab2,
.sdram_config = 0x61851ab2,
.sdram_config2 = 0x08000000,
.ref_ctrl = 0x000040F1,
.ref_ctrl_final = 0x00001035,
.sdram_tim1 = 0xCCCF36B3,
.sdram_tim2 = 0x30BF7FDA,
.sdram_tim3 = 0x427F8BA8,
.read_idle_ctrl = 0x00050000,
.zq_config = 0x0007190B,
.temp_alert_config = 0x00000000,
.emif_ddr_phy_ctlr_1_init = 0x0024400B,
.emif_ddr_phy_ctlr_1 = 0x0E24400B,
.emif_ddr_ext_phy_ctrl_1 = 0x10040100,
.emif_ddr_ext_phy_ctrl_2 = 0x00910091,
.emif_ddr_ext_phy_ctrl_3 = 0x00950095,
.emif_ddr_ext_phy_ctrl_4 = 0x009B009B,
.emif_ddr_ext_phy_ctrl_5 = 0x009E009E,
.emif_rd_wr_lvl_rmp_win = 0x00000000,
.emif_rd_wr_lvl_rmp_ctl = 0x80000000,
.emif_rd_wr_lvl_ctl = 0x00000000,
.emif_rd_wr_exec_thresh = 0x00000305
};
const struct emif_regs emif2_ddr3_532_mhz_1cs_2G = {
.sdram_config_init = 0x61851B32,
.sdram_config = 0x61851B32,
.sdram_config2 = 0x08000000,
.ref_ctrl = 0x000040F1,
.ref_ctrl_final = 0x00001035,
.sdram_tim1 = 0xCCCF36B3,
.sdram_tim2 = 0x308F7FDA,
.sdram_tim3 = 0x427F88A8,
.read_idle_ctrl = 0x00050000,
.zq_config = 0x0007190B,
.temp_alert_config = 0x00000000,
.emif_ddr_phy_ctlr_1_init = 0x0024400B,
.emif_ddr_phy_ctlr_1 = 0x0E24400B,
.emif_ddr_ext_phy_ctrl_1 = 0x10040100,
.emif_ddr_ext_phy_ctrl_2 = 0x00910091,
.emif_ddr_ext_phy_ctrl_3 = 0x00950095,
.emif_ddr_ext_phy_ctrl_4 = 0x009B009B,
.emif_ddr_ext_phy_ctrl_5 = 0x009E009E,
.emif_rd_wr_lvl_rmp_win = 0x00000000,
.emif_rd_wr_lvl_rmp_ctl = 0x80000000,
.emif_rd_wr_lvl_ctl = 0x00000000,
.emif_rd_wr_exec_thresh = 0x00000305
};
void emif_get_reg_dump(u32 emif_nr, const struct emif_regs **regs)
{
u64 ram_size;
ram_size = board_ti_get_emif_size();
switch (omap_revision()) {
case DRA752_ES1_0:
case DRA752_ES1_1:
case DRA752_ES2_0:
switch (emif_nr) {
case 1:
*regs = &emif1_ddr3_532_mhz_1cs;
if (ram_size > CONFIG_MAX_MEM_MAPPED)
*regs = &emif1_ddr3_532_mhz_1cs_2G;
else
*regs = &emif1_ddr3_532_mhz_1cs;
break;
case 2:
*regs = &emif2_ddr3_532_mhz_1cs;
if (ram_size > CONFIG_MAX_MEM_MAPPED)
*regs = &emif2_ddr3_532_mhz_1cs_2G;
else
*regs = &emif2_ddr3_532_mhz_1cs;
break;
}
break;
......@@ -164,13 +226,28 @@ static const struct dmm_lisa_map_regs lisa_map_2G_x_2 = {
.is_ma_present = 0x1
};
const struct dmm_lisa_map_regs lisa_map_dra7_2GB = {
.dmm_lisa_map_0 = 0x0,
.dmm_lisa_map_1 = 0x0,
.dmm_lisa_map_2 = 0x80740300,
.dmm_lisa_map_3 = 0xFF020100,
.is_ma_present = 0x1
};
void emif_get_dmm_regs(const struct dmm_lisa_map_regs **dmm_lisa_regs)
{
u64 ram_size;
ram_size = board_ti_get_emif_size();
switch (omap_revision()) {
case DRA752_ES1_0:
case DRA752_ES1_1:
case DRA752_ES2_0:
*dmm_lisa_regs = &lisa_map_dra7_1536MB;
if (ram_size > CONFIG_MAX_MEM_MAPPED)
*dmm_lisa_regs = &lisa_map_dra7_2GB;
else
*dmm_lisa_regs = &lisa_map_dra7_1536MB;
break;
case DRA722_ES1_0:
default:
......
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