DRA752 uses DDR3. Populating the corresponding structures with DDR3 data. Writing into MA registers if only MA is present in that soc.
Signed-off-by: Lokesh Vutla lokeshvutla@ti.com Signed-off-by: R Sricharan r.sricharan@ti.com --- arch/arm/cpu/armv7/omap-common/emif-common.c | 2 +- arch/arm/cpu/armv7/omap4/sdram_elpida.c | 18 +++++++++++++++--- arch/arm/cpu/armv7/omap5/hw_data.c | 1 + arch/arm/cpu/armv7/omap5/sdram.c | 26 ++++++++++++++++++++++++-- arch/arm/include/asm/emif.h | 1 + 5 files changed, 42 insertions(+), 6 deletions(-)
diff --git a/arch/arm/cpu/armv7/omap-common/emif-common.c b/arch/arm/cpu/armv7/omap-common/emif-common.c index 0683b9f..9eb1279 100644 --- a/arch/arm/cpu/armv7/omap-common/emif-common.c +++ b/arch/arm/cpu/armv7/omap-common/emif-common.c @@ -1191,7 +1191,7 @@ void dmm_init(u32 base) writel(lisa_map_regs->dmm_lisa_map_0, &hw_lisa_map_regs->dmm_lisa_map_0);
- if (omap_revision() >= OMAP4460_ES1_0) { + if (lisa_map_regs->is_ma_present) { hw_lisa_map_regs = (struct dmm_lisa_map_regs *)MA_BASE;
diff --git a/arch/arm/cpu/armv7/omap4/sdram_elpida.c b/arch/arm/cpu/armv7/omap4/sdram_elpida.c index 01da790..20fc552 100644 --- a/arch/arm/cpu/armv7/omap4/sdram_elpida.c +++ b/arch/arm/cpu/armv7/omap4/sdram_elpida.c @@ -94,14 +94,24 @@ const struct dmm_lisa_map_regs lisa_map_2G_x_1_x_2 = { .dmm_lisa_map_0 = 0xFF020100, .dmm_lisa_map_1 = 0, .dmm_lisa_map_2 = 0, - .dmm_lisa_map_3 = 0x80540300 + .dmm_lisa_map_3 = 0x80540300, + .is_ma_present = 0x0 };
const struct dmm_lisa_map_regs lisa_map_2G_x_2_x_2 = { .dmm_lisa_map_0 = 0xFF020100, .dmm_lisa_map_1 = 0, .dmm_lisa_map_2 = 0, - .dmm_lisa_map_3 = 0x80640300 + .dmm_lisa_map_3 = 0x80640300, + .is_ma_present = 0x0 +}; + +const struct dmm_lisa_map_regs ma_lisa_map_2G_x_2_x_2 = { + .dmm_lisa_map_0 = 0xFF020100, + .dmm_lisa_map_1 = 0, + .dmm_lisa_map_2 = 0, + .dmm_lisa_map_3 = 0x80640300, + .is_ma_present = 0x1 };
static void emif_get_reg_dump_sdp(u32 emif_nr, const struct emif_regs **regs) @@ -126,8 +136,10 @@ static void emif_get_dmm_regs_sdp(const struct dmm_lisa_map_regs
if (omap_rev == OMAP4430_ES1_0) *dmm_lisa_regs = &lisa_map_2G_x_1_x_2; - else + else if (omap_rev < OMAP4460_ES1_0) *dmm_lisa_regs = &lisa_map_2G_x_2_x_2; + else + *dmm_lisa_regs = &ma_lisa_map_2G_x_2_x_2; }
void emif_get_dmm_regs(const struct dmm_lisa_map_regs **dmm_lisa_regs) diff --git a/arch/arm/cpu/armv7/omap5/hw_data.c b/arch/arm/cpu/armv7/omap5/hw_data.c index d42974e..14adfb3 100644 --- a/arch/arm/cpu/armv7/omap5/hw_data.c +++ b/arch/arm/cpu/armv7/omap5/hw_data.c @@ -586,6 +586,7 @@ void get_ioregs(const struct ctrl_ioregs **regs) *regs = &ioregs_omap5432_es1; break; case OMAP5432_ES2_0: + case DRA752_ES1_0: *regs = &ioregs_omap5432_es2; break;
diff --git a/arch/arm/cpu/armv7/omap5/sdram.c b/arch/arm/cpu/armv7/omap5/sdram.c index 2ef7fcd..6b461e4 100644 --- a/arch/arm/cpu/armv7/omap5/sdram.c +++ b/arch/arm/cpu/armv7/omap5/sdram.c @@ -155,7 +155,16 @@ const struct dmm_lisa_map_regs lisa_map_4G_x_2_x_2 = { .dmm_lisa_map_0 = 0x0, .dmm_lisa_map_1 = 0x0, .dmm_lisa_map_2 = 0x80740300, - .dmm_lisa_map_3 = 0xFF020100 + .dmm_lisa_map_3 = 0xFF020100, + .is_ma_present = 0x1 +}; + +const struct dmm_lisa_map_regs lisa_map_512M_x_1 = { + .dmm_lisa_map_0 = 0x0, + .dmm_lisa_map_1 = 0x0, + .dmm_lisa_map_2 = 0x0, + .dmm_lisa_map_3 = 0x80500100, + .is_ma_present = 0x1 };
static void emif_get_reg_dump_sdp(u32 emif_nr, const struct emif_regs **regs) @@ -171,6 +180,7 @@ 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: + case DRA752_ES1_0: default: *regs = &emif_regs_ddr3_532_mhz_1cs_es2; } @@ -182,7 +192,18 @@ void emif_get_reg_dump(u32 emif_nr, const struct emif_regs **regs) static void emif_get_dmm_regs_sdp(const struct dmm_lisa_map_regs **dmm_lisa_regs) { - *dmm_lisa_regs = &lisa_map_4G_x_2_x_2; + switch (omap_revision()) { + case OMAP5430_ES1_0: + case OMAP5430_ES2_0: + case OMAP5432_ES1_0: + case OMAP5432_ES2_0: + *dmm_lisa_regs = &lisa_map_4G_x_2_x_2; + break; + case DRA752_ES1_0: + default: + *dmm_lisa_regs = &lisa_map_512M_x_1; + } + }
void emif_get_dmm_regs(const struct dmm_lisa_map_regs **dmm_lisa_regs) @@ -297,6 +318,7 @@ static void emif_get_ext_phy_ctrl_const_regs(const u32 **regs) *regs = ddr3_ext_phy_ctrl_const_base_es1; break; case OMAP5432_ES2_0: + case DRA752_ES1_0: default: *regs = ddr3_ext_phy_ctrl_const_base_es2;
diff --git a/arch/arm/include/asm/emif.h b/arch/arm/include/asm/emif.h index 9d72fe3..c5d1e6c 100644 --- a/arch/arm/include/asm/emif.h +++ b/arch/arm/include/asm/emif.h @@ -697,6 +697,7 @@ struct dmm_lisa_map_regs { u32 dmm_lisa_map_1; u32 dmm_lisa_map_2; u32 dmm_lisa_map_3; + u8 is_ma_present; };
#define CS0 0