[U-Boot] [PATCH 7/7] OMAP5: Change voltages for omap5432

[Lokesh Vutla]

Change voltages for OMAP5432

Signed-off-by: Lokesh Vutla <lokeshvutla at ti.com>
---
 arch/arm/cpu/armv7/omap5/clocks.c        |   31 ++++++++++++++++++++---------
 arch/arm/include/asm/arch-omap5/clocks.h |   10 +++++++++
 2 files changed, 31 insertions(+), 10 deletions(-)

diff --git a/arch/arm/cpu/armv7/omap5/clocks.c b/arch/arm/cpu/armv7/omap5/clocks.c
index 1a59f26..65dc5c7 100644
--- a/arch/arm/cpu/armv7/omap5/clocks.c
+++ b/arch/arm/cpu/armv7/omap5/clocks.c
@@ -260,20 +260,31 @@ const struct dpll_params *get_abe_dpll_params(void)
  */
 void scale_vcores(void)
 {
-	u32 volt;
+	u32 volt_core, volt_mpu, volt_mm;
 
 	omap_vc_init(PRM_VC_I2C_CHANNEL_FREQ_KHZ);
 
 	/* Palmas settings */
-	volt = VDD_CORE;
-	do_scale_vcore(SMPS_REG_ADDR_8_CORE, volt);
-
-	volt = VDD_MPU;
-	do_scale_vcore(SMPS_REG_ADDR_12_MPU, volt);
-
-	volt = VDD_MM;
-	do_scale_vcore(SMPS_REG_ADDR_45_IVA, volt);
-
+	if (omap_revision() != OMAP5432_ES1_0) {
+		volt_core = VDD_CORE;
+		volt_mpu = VDD_MPU;
+		volt_mm = VDD_MM;
+	} else {
+		volt_core = VDD_CORE_5432;
+		volt_mpu = VDD_MPU_5432;
+		volt_mm = VDD_MM_5432;
+	}
+
+	do_scale_vcore(SMPS_REG_ADDR_8_CORE, volt_core);
+	do_scale_vcore(SMPS_REG_ADDR_12_MPU, volt_mpu);
+	do_scale_vcore(SMPS_REG_ADDR_45_IVA, volt_mm);
+
+	if (omap_revision() == OMAP5432_ES1_0) {
+		/* Configure LDO SRAM "magic" bits */
+		writel(2, &prcm->prm_sldo_core_setup);
+		writel(2, &prcm->prm_sldo_mpu_setup);
+		writel(2, &prcm->prm_sldo_mm_setup);
+	}
 }
 
 u32 get_offset_code(u32 volt_offset)
diff --git a/arch/arm/include/asm/arch-omap5/clocks.h b/arch/arm/include/asm/arch-omap5/clocks.h
index 409e0e3..5f1a7aa 100644
--- a/arch/arm/include/asm/arch-omap5/clocks.h
+++ b/arch/arm/include/asm/arch-omap5/clocks.h
@@ -480,6 +480,13 @@ struct omap5_prcm_regs {
 	u32 pad217[4];
 	u32 prm_vc_cfg_i2c_mode;		/* 4ae07bb4 */
 	u32 prm_vc_cfg_i2c_clk;			/* 4ae07bb8 */
+	u32 pad218[2];
+	u32 prm_sldo_core_setup;		/* 4ae07bc4 */
+	u32 prm_sldo_core_ctrl;			/* 4ae07bc8 */
+	u32 prm_sldo_mpu_setup;			/* 4ae07bcc */
+	u32 prm_sldo_mpu_ctrl;			/* 4ae07bd0 */
+	u32 prm_sldo_mm_setup;			/* 4ae07bd4 */
+	u32 prm_sldo_mm_ctrl;			/* 4ae07bd8 */
 };
 
 /* DPLL register offsets */
@@ -646,6 +653,9 @@ struct omap5_prcm_regs {
 #define VDD_MPU		1000
 #define VDD_MM		1000
 #define VDD_CORE	1040
+#define VDD_MPU_5432	1150
+#define VDD_MM_5432	1150
+#define VDD_CORE_5432	1150
 
 /* Standard offset is 0.5v expressed in uv */
 #define PALMAS_SMPS_BASE_VOLT_UV 500000
-- 
1.7.5.4