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OMAP5: Change voltages for omap5432 

Change voltages for OMAP5432

Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com>
This commit is contained in:
Lokesh Vutla 2012-05-22 00:03:27 +00:00 committed by Albert ARIBAUD
parent 753bae8c5d
commit 7fd5b9bfe4
2 changed files with 29 additions and 8 deletions
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27
arch/arm/cpu/armv7/omap5/clocks.c
View File

@ -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);
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;
}
volt = VDD_MPU;
do_scale_vcore(SMPS_REG_ADDR_12_MPU, volt);
volt = VDD_MM;
do_scale_vcore(SMPS_REG_ADDR_45_IVA, volt);
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)

10
arch/arm/include/asm/arch-omap5/clocks.h
View File

@ -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