The newer versions of DRA7 boards has EEPROM populated with DDR size specified in it. Moving DRA7 specific emif related settings to board files so that emif settings can be identified based on EEPROM.
Acked-by: Nishanth Menon nm@ti.com Signed-off-by: Lokesh Vutla lokeshvutla@ti.com --- arch/arm/cpu/armv7/omap5/sdram.c | 149 +-------------------------------------- board/ti/dra7xx/evm.c | 129 +++++++++++++++++++++++++++++++++ 2 files changed, 131 insertions(+), 147 deletions(-)
diff --git a/arch/arm/cpu/armv7/omap5/sdram.c b/arch/arm/cpu/armv7/omap5/sdram.c index c386e64..7dc5bb7 100644 --- a/arch/arm/cpu/armv7/omap5/sdram.c +++ b/arch/arm/cpu/armv7/omap5/sdram.c @@ -137,81 +137,6 @@ const struct emif_regs emif_regs_ddr3_532_mhz_1cs_es2 = { .emif_rd_wr_exec_thresh = 0x40000305 };
-const struct emif_regs emif_1_regs_ddr3_532_mhz_1cs_dra_es1 = { - .sdram_config_init = 0x61851ab2, - .sdram_config = 0x61851ab2, - .sdram_config2 = 0x08000000, - .ref_ctrl = 0x000040F1, - .ref_ctrl_final = 0x00001035, - .sdram_tim1 = 0xCCCF36B3, - .sdram_tim2 = 0x308F7FDA, - .sdram_tim3 = 0x027F88A8, - .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 emif_2_regs_ddr3_532_mhz_1cs_dra_es1 = { - .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 = 0x027F88A8, - .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 emif_1_regs_ddr3_666_mhz_1cs_dra_es1 = { - .sdram_config_init = 0x61862B32, - .sdram_config = 0x61862B32, - .sdram_config2 = 0x08000000, - .ref_ctrl = 0x0000514C, - .ref_ctrl_final = 0x0000144A, - .sdram_tim1 = 0xD113781C, - .sdram_tim2 = 0x305A7FDA, - .sdram_tim3 = 0x409F86A8, - .read_idle_ctrl = 0x00050000, - .zq_config = 0x5007190B, - .temp_alert_config = 0x00000000, - .emif_ddr_phy_ctlr_1_init = 0x0024400D, - .emif_ddr_phy_ctlr_1 = 0x0E24400D, - .emif_ddr_ext_phy_ctrl_1 = 0x10040100, - .emif_ddr_ext_phy_ctrl_2 = 0x00A400A4, - .emif_ddr_ext_phy_ctrl_3 = 0x00A900A9, - .emif_ddr_ext_phy_ctrl_4 = 0x00B000B0, - .emif_ddr_ext_phy_ctrl_5 = 0x00B000B0, - .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 dmm_lisa_map_regs lisa_map_4G_x_2_x_2 = { .dmm_lisa_map_0 = 0x0, .dmm_lisa_map_1 = 0x0, @@ -220,53 +145,6 @@ const struct dmm_lisa_map_regs lisa_map_4G_x_2_x_2 = { .is_ma_present = 0x1 };
-/* - * DRA752 EVM board has 1.5 GB of memory - * EMIF1 --> 2Gb * 2 = 512MB - * EMIF2 --> 2Gb * 4 = 1GB - * so mapping 1GB interleaved and 512MB non-interleaved - */ -const struct dmm_lisa_map_regs lisa_map_2G_x_2_x_2_2G_x_1_x_2 = { - .dmm_lisa_map_0 = 0x0, - .dmm_lisa_map_1 = 0x80640300, - .dmm_lisa_map_2 = 0xC0500220, - .dmm_lisa_map_3 = 0xFF020100, - .is_ma_present = 0x1 -}; - -/* - * DRA752 EVM EMIF1 ONLY CONFIGURATION - */ -const struct dmm_lisa_map_regs lisa_map_2G_x_1_x_2 = { - .dmm_lisa_map_0 = 0x0, - .dmm_lisa_map_1 = 0x0, - .dmm_lisa_map_2 = 0x80500100, - .dmm_lisa_map_3 = 0xFF020100, - .is_ma_present = 0x1 -}; - -/* - * DRA752 EVM EMIF2 ONLY CONFIGURATION - */ -const struct dmm_lisa_map_regs lisa_map_2G_x_2_x_2 = { - .dmm_lisa_map_0 = 0x0, - .dmm_lisa_map_1 = 0x0, - .dmm_lisa_map_2 = 0x80600200, - .dmm_lisa_map_3 = 0xFF020100, - .is_ma_present = 0x1 -}; - -/* - * DRA722 EVM EMIF1 CONFIGURATION - */ -const struct dmm_lisa_map_regs lisa_map_2G_x_2 = { - .dmm_lisa_map_0 = 0x0, - .dmm_lisa_map_1 = 0x0, - .dmm_lisa_map_2 = 0x80600100, - .dmm_lisa_map_3 = 0xFF020100, - .is_ma_present = 0x1 -}; - static void emif_get_reg_dump_sdp(u32 emif_nr, const struct emif_regs **regs) { switch (omap_revision()) { @@ -280,25 +158,9 @@ static void emif_get_reg_dump_sdp(u32 emif_nr, const struct emif_regs **regs) *regs = &emif_regs_532_mhz_2cs_es2; break; case OMAP5432_ES2_0: + default: *regs = &emif_regs_ddr3_532_mhz_1cs_es2; break; - case DRA752_ES1_0: - case DRA752_ES1_1: - case DRA752_ES2_0: - switch (emif_nr) { - case 1: - *regs = &emif_1_regs_ddr3_532_mhz_1cs_dra_es1; - break; - case 2: - *regs = &emif_2_regs_ddr3_532_mhz_1cs_dra_es1; - break; - } - break; - case DRA722_ES1_0: - *regs = &emif_1_regs_ddr3_666_mhz_1cs_dra_es1; - break; - default: - *regs = &emif_1_regs_ddr3_532_mhz_1cs_dra_es1; } }
@@ -313,16 +175,9 @@ static void emif_get_dmm_regs_sdp(const struct dmm_lisa_map_regs case OMAP5430_ES2_0: case OMAP5432_ES1_0: case OMAP5432_ES2_0: + default: *dmm_lisa_regs = &lisa_map_4G_x_2_x_2; break; - case DRA752_ES1_0: - case DRA752_ES1_1: - case DRA752_ES2_0: - *dmm_lisa_regs = &lisa_map_2G_x_2_x_2_2G_x_1_x_2; - break; - case DRA722_ES1_0: - default: - *dmm_lisa_regs = &lisa_map_2G_x_2; }
} diff --git a/board/ti/dra7xx/evm.c b/board/ti/dra7xx/evm.c index a47122b..c493c64 100644 --- a/board/ti/dra7xx/evm.c +++ b/board/ti/dra7xx/evm.c @@ -19,6 +19,7 @@ #include <linux/usb/gadget.h> #include <asm/arch/gpio.h> #include <asm/arch/dra7xx_iodelay.h> +#include <asm/emif.h> #include <asm/arch/sys_proto.h> #include <asm/arch/mmc_host_def.h> #include <asm/arch/sata.h> @@ -49,6 +50,134 @@ const struct omap_sysinfo sysinfo = { "Board: UNKNOWN(DRA7 EVM) REV UNKNOWN\n" };
+static const struct emif_regs emif1_ddr3_532_mhz_1cs = { + .sdram_config_init = 0x61851ab2, + .sdram_config = 0x61851ab2, + .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 +}; + +static const struct emif_regs emif2_ddr3_532_mhz_1cs = { + .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 +}; + +static const struct emif_regs emif_1_regs_ddr3_666_mhz_1cs_dra_es1 = { + .sdram_config_init = 0x61862B32, + .sdram_config = 0x61862B32, + .sdram_config2 = 0x08000000, + .ref_ctrl = 0x0000514C, + .ref_ctrl_final = 0x0000144A, + .sdram_tim1 = 0xD113781C, + .sdram_tim2 = 0x30717FE3, + .sdram_tim3 = 0x409F86A8, + .read_idle_ctrl = 0x00050000, + .zq_config = 0x5007190B, + .temp_alert_config = 0x00000000, + .emif_ddr_phy_ctlr_1_init = 0x0024400D, + .emif_ddr_phy_ctlr_1 = 0x0E24400D, + .emif_ddr_ext_phy_ctrl_1 = 0x10040100, + .emif_ddr_ext_phy_ctrl_2 = 0x00A400A4, + .emif_ddr_ext_phy_ctrl_3 = 0x00A900A9, + .emif_ddr_ext_phy_ctrl_4 = 0x00B000B0, + .emif_ddr_ext_phy_ctrl_5 = 0x00B000B0, + .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) +{ + 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; + break; + case 2: + *regs = &emif2_ddr3_532_mhz_1cs; + break; + } + break; + case DRA722_ES1_0: + *regs = &emif_1_regs_ddr3_666_mhz_1cs_dra_es1; + break; + default: + *regs = &emif1_ddr3_532_mhz_1cs; + } +} + +static const struct dmm_lisa_map_regs lisa_map_dra7_1536MB = { + .dmm_lisa_map_0 = 0x0, + .dmm_lisa_map_1 = 0x80640300, + .dmm_lisa_map_2 = 0xC0500220, + .dmm_lisa_map_3 = 0xFF020100, + .is_ma_present = 0x1 +}; + +static const struct dmm_lisa_map_regs lisa_map_2G_x_2 = { + .dmm_lisa_map_0 = 0x0, + .dmm_lisa_map_1 = 0x0, + .dmm_lisa_map_2 = 0x80600100, + .dmm_lisa_map_3 = 0xFF020100, + .is_ma_present = 0x1 +}; + +void emif_get_dmm_regs(const struct dmm_lisa_map_regs **dmm_lisa_regs) +{ + switch (omap_revision()) { + case DRA752_ES1_0: + case DRA752_ES1_1: + case DRA752_ES2_0: + *dmm_lisa_regs = &lisa_map_dra7_1536MB; + break; + case DRA722_ES1_0: + default: + *dmm_lisa_regs = &lisa_map_2G_x_2; + } +} + /** * @brief board_init *