dra76-evm has the ddr parts connectedi running at 666MHz: EMIF1: MT41K512M16HA-125 AIT:A x 2 EMIF2: MT41K512M8RH-125-AAT:E x 4 Add support for configuring the above DDR parts.
Signed-off-by: Lokesh Vutla lokeshvutla@ti.com --- arch/arm/mach-omap2/omap5/hw_data.c | 1 + arch/arm/mach-omap2/omap5/sdram.c | 2 ++ board/ti/dra7xx/evm.c | 61 +++++++++++++++++++++++++++++++++++-- 3 files changed, 62 insertions(+), 2 deletions(-)
diff --git a/arch/arm/mach-omap2/omap5/hw_data.c b/arch/arm/mach-omap2/omap5/hw_data.c index d6174fb5c7..d0d5d6804c 100644 --- a/arch/arm/mach-omap2/omap5/hw_data.c +++ b/arch/arm/mach-omap2/omap5/hw_data.c @@ -781,6 +781,7 @@ void get_ioregs(const struct ctrl_ioregs **regs) case DRA752_ES1_0: case DRA752_ES1_1: case DRA752_ES2_0: + case DRA762_ES1_0: *regs = &ioregs_dra7xx_es1; break; case DRA722_ES1_0: diff --git a/arch/arm/mach-omap2/omap5/sdram.c b/arch/arm/mach-omap2/omap5/sdram.c index 7712923d85..67ff63b9f6 100644 --- a/arch/arm/mach-omap2/omap5/sdram.c +++ b/arch/arm/mach-omap2/omap5/sdram.c @@ -480,6 +480,7 @@ void __weak emif_get_ext_phy_ctrl_const_regs(u32 emif_nr, *regs = dra_ddr3_ext_phy_ctrl_const_base_666MHz; *size = ARRAY_SIZE(dra_ddr3_ext_phy_ctrl_const_base_666MHz); break; + case DRA762_ES1_0: case DRA722_ES2_0: *regs = dra_ddr3_ext_phy_ctrl_const_base_666MHz_es2; *size = ARRAY_SIZE(dra_ddr3_ext_phy_ctrl_const_base_666MHz_es2); @@ -709,6 +710,7 @@ const struct read_write_regs *get_bug_regs(u32 *iterations) *iterations = sizeof(omap5_bug_00339_regs)/ sizeof(omap5_bug_00339_regs[0]); break; + case DRA762_ES1_0: case DRA752_ES1_0: case DRA752_ES1_1: case DRA752_ES2_0: diff --git a/board/ti/dra7xx/evm.c b/board/ti/dra7xx/evm.c index 7ae8d2ff73..f9d0b05a16 100644 --- a/board/ti/dra7xx/evm.c +++ b/board/ti/dra7xx/evm.c @@ -210,6 +210,56 @@ const struct emif_regs emif2_ddr3_532_mhz_1cs_2G = { .emif_rd_wr_exec_thresh = 0x00000305 };
+const struct emif_regs emif_1_regs_ddr3_666_mhz_1cs_dra76 = { + .sdram_config_init = 0x61862B32, + .sdram_config = 0x61862B32, + .sdram_config2 = 0x00000000, + .ref_ctrl = 0x0000514C, + .ref_ctrl_final = 0x0000144A, + .sdram_tim1 = 0xD113783C, + .sdram_tim2 = 0x30B47FE3, + .sdram_tim3 = 0x409F8AD8, + .read_idle_ctrl = 0x00050000, + .zq_config = 0x5007190B, + .temp_alert_config = 0x00000000, + .emif_ddr_phy_ctlr_1_init = 0x0824400D, + .emif_ddr_phy_ctlr_1 = 0x0E24400D, + .emif_ddr_ext_phy_ctrl_1 = 0x04040100, + .emif_ddr_ext_phy_ctrl_2 = 0x006B009F, + .emif_ddr_ext_phy_ctrl_3 = 0x006B00A2, + .emif_ddr_ext_phy_ctrl_4 = 0x006B00A8, + .emif_ddr_ext_phy_ctrl_5 = 0x006B00A8, + .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_666_mhz_1cs_dra76 = { + .sdram_config_init = 0x61862B32, + .sdram_config = 0x61862B32, + .sdram_config2 = 0x00000000, + .ref_ctrl = 0x0000514C, + .ref_ctrl_final = 0x0000144A, + .sdram_tim1 = 0xD113781C, + .sdram_tim2 = 0x30B47FE3, + .sdram_tim3 = 0x409F8AD8, + .read_idle_ctrl = 0x00050000, + .zq_config = 0x5007190B, + .temp_alert_config = 0x00000000, + .emif_ddr_phy_ctlr_1_init = 0x0824400D, + .emif_ddr_phy_ctlr_1 = 0x0E24400D, + .emif_ddr_ext_phy_ctrl_1 = 0x04040100, + .emif_ddr_ext_phy_ctrl_2 = 0x006B009F, + .emif_ddr_ext_phy_ctrl_3 = 0x006B00A2, + .emif_ddr_ext_phy_ctrl_4 = 0x006B00A8, + .emif_ddr_ext_phy_ctrl_5 = 0x006B00A8, + .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; @@ -235,6 +285,12 @@ void emif_get_reg_dump(u32 emif_nr, const struct emif_regs **regs) break; } break; + case DRA762_ES1_0: + if (emif_nr == 1) + *regs = &emif_1_regs_ddr3_666_mhz_1cs_dra76; + else + *regs = &emif_2_regs_ddr3_666_mhz_1cs_dra76; + break; case DRA722_ES1_0: case DRA722_ES2_0: if (ram_size < CONFIG_MAX_MEM_MAPPED) @@ -290,6 +346,7 @@ void emif_get_dmm_regs(const struct dmm_lisa_map_regs **dmm_lisa_regs) ram_size = board_ti_get_emif_size();
switch (omap_revision()) { + case DRA762_ES1_0: case DRA752_ES1_0: case DRA752_ES1_1: case DRA752_ES2_0: @@ -1010,8 +1067,8 @@ static inline void vtt_regulator_enable(void) if (omap_hw_init_context() == OMAP_INIT_CONTEXT_UBOOT_AFTER_SPL) return;
- /* Do not enable VTT for DRA722 */ - if (is_dra72x()) + /* Do not enable VTT for DRA722 or DRA76x */ + if (is_dra72x() || is_dra76x()) return;
/*