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authorLokesh Vutla <lokeshvutla@ti.com>2012-05-22 00:03:27 +0000
committerAlbert ARIBAUD <albert.u.boot@aribaud.net>2012-07-07 14:07:24 +0200
commit7fd5b9bfe4a66a0eec232ab36ddafdd823e263c2 (patch)
tree053058219b842a5a69de87a6e931c1d4b9522152 /arch/arm
parent753bae8c5dd4ba92a39b06ea9a551be962053f93 (diff)
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OMAP5: Change voltages for omap5432
Change voltages for OMAP5432 Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com>
Diffstat (limited to 'arch/arm')
-rw-r--r--arch/arm/cpu/armv7/omap5/clocks.c31
-rw-r--r--arch/arm/include/asm/arch-omap5/clocks.h10
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