diff options
| author | Lokesh Vutla <lokeshvutla@ti.com> | 2012-05-22 00:03:27 +0000 |
|---|---|---|
| committer | Albert ARIBAUD <albert.u.boot@aribaud.net> | 2012-07-07 14:07:24 +0200 |
| commit | 7fd5b9bfe4a66a0eec232ab36ddafdd823e263c2 (patch) | |
| tree | 053058219b842a5a69de87a6e931c1d4b9522152 /arch | |
| parent | 753bae8c5dd4ba92a39b06ea9a551be962053f93 (diff) | |
| download | u-boot-imx-7fd5b9bfe4a66a0eec232ab36ddafdd823e263c2.zip u-boot-imx-7fd5b9bfe4a66a0eec232ab36ddafdd823e263c2.tar.gz u-boot-imx-7fd5b9bfe4a66a0eec232ab36ddafdd823e263c2.tar.bz2 | |
OMAP5: Change voltages for omap5432
Change voltages for OMAP5432
Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/arm/cpu/armv7/omap5/clocks.c | 31 | ||||
| -rw-r--r-- | 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 |