OMAP4470 reference design uses TWL6032 PMIC with a following connection scheme: VDD_CORE = TWL6032 SMPS2 VDD_MPU = TWL6032 SMPS1 VDD_IVA = TWL6032 SMPS5
Set voltage and frequency values according to OMAP4470 Data Manual Operating Condition Addendum v0.7
Signed-off-by: Taras Kondratiuk taras@ti.com --- arch/arm/cpu/armv7/omap4/hw_data.c | 36 +++++++++++++++++++++++++++++++ arch/arm/include/asm/arch-omap4/clock.h | 7 +++++- 2 files changed, 42 insertions(+), 1 deletion(-)
diff --git a/arch/arm/cpu/armv7/omap4/hw_data.c b/arch/arm/cpu/armv7/omap4/hw_data.c index 310df5a..6a225c8 100644 --- a/arch/arm/cpu/armv7/omap4/hw_data.c +++ b/arch/arm/cpu/armv7/omap4/hw_data.c @@ -50,6 +50,7 @@ static const struct dpll_params mpu_dpll_params_1400mhz[NUM_SYS_CLKS] = { /* * dpll locked at 1600 MHz - MPU clk at 800 MHz(OPP Turbo 4430) * OMAP4430 OPP_TURBO frequency + * OMAP4470 OPP_NOM frequency */ static const struct dpll_params mpu_dpll_params_1600mhz[NUM_SYS_CLKS] = { {200, 2, 1, -1, -1, -1, -1, -1, -1, -1, -1, -1}, /* 12 MHz */ @@ -76,6 +77,7 @@ static const struct dpll_params mpu_dpll_params_1200mhz[NUM_SYS_CLKS] = { };
/* OMAP4460 OPP_NOM frequency */ +/* OMAP4470 OPP_NOM (Low Power) frequency */ static const struct dpll_params core_dpll_params_1600mhz[NUM_SYS_CLKS] = { {200, 2, 1, 5, 8, 4, 6, 5, -1, -1, -1, -1}, /* 12 MHz */ {800, 12, 1, 5, 8, 4, 6, 5, -1, -1, -1, -1}, /* 13 MHz */ @@ -198,6 +200,20 @@ struct dplls omap4460_dplls = { .ddr = NULL };
+struct dplls omap4470_dplls = { + .mpu = mpu_dpll_params_1600mhz, + .core = core_dpll_params_1600mhz, + .per = per_dpll_params_1536mhz, + .iva = iva_dpll_params_1862mhz, +#ifdef CONFIG_SYS_OMAP_ABE_SYSCK + .abe = abe_dpll_params_sysclk_196608khz, +#else + .abe = &abe_dpll_params_32k_196608khz, +#endif + .usb = usb_dpll_params_1920mhz, + .ddr = NULL +}; + struct pmic_data twl6030_4430es1 = { .base_offset = PHOENIX_SMPS_BASE_VOLT_STD_MODE_UV, .step = 12660, /* 12.66 mV represented in uV */ @@ -208,6 +224,7 @@ struct pmic_data twl6030_4430es1 = { .pmic_write = omap_vc_bypass_send_value, };
+/* twl6030 struct is used for TWL6030 and TWL6032 PMIC */ struct pmic_data twl6030 = { .base_offset = PHOENIX_SMPS_BASE_VOLT_STD_MODE_WITH_OFFSET_UV, .step = 12660, /* 12.66 mV represented in uV */ @@ -271,6 +288,20 @@ struct vcores_data omap4460_volts = { .mm.pmic = &twl6030, };
+struct vcores_data omap4470_volts = { + .mpu.value = 1200, + .mpu.addr = SMPS_REG_ADDR_SMPS1, + .mpu.pmic = &twl6030, + + .core.value = 1126, + .core.addr = SMPS_REG_ADDR_SMPS1, + .core.pmic = &twl6030, + + .mm.value = 1137, + .mm.addr = SMPS_REG_ADDR_SMPS1, + .mm.pmic = &twl6030, +}; + /* * Enable essential clock domains, modules and * do some additional special settings needed @@ -476,6 +507,11 @@ void hw_data_init(void) *omap_vcores = &omap4460_volts; break;
+ case OMAP4470_ES1_0: + *dplls_data = &omap4470_dplls; + *omap_vcores = &omap4470_volts; + break; + default: printf("\n INVALID OMAP REVISION "); } diff --git a/arch/arm/include/asm/arch-omap4/clock.h b/arch/arm/include/asm/arch-omap4/clock.h index b2e03d6..f3a682a 100644 --- a/arch/arm/include/asm/arch-omap4/clock.h +++ b/arch/arm/include/asm/arch-omap4/clock.h @@ -149,11 +149,16 @@ /* PRM_VC_VAL_BYPASS */ #define PRM_VC_I2C_CHANNEL_FREQ_KHZ 400
-/* SMPS */ +/* PMIC */ #define SMPS_I2C_SLAVE_ADDR 0x12 +/* TWL6030 SMPS */ #define SMPS_REG_ADDR_VCORE1 0x55 #define SMPS_REG_ADDR_VCORE2 0x5B #define SMPS_REG_ADDR_VCORE3 0x61 +/* TWL6032 SMPS */ +#define SMPS_REG_ADDR_SMPS1 0x55 +#define SMPS_REG_ADDR_SMPS2 0x5B +#define SMPS_REG_ADDR_SMPS5 0x49
#define PHOENIX_SMPS_BASE_VOLT_STD_MODE_UV 607700 #define PHOENIX_SMPS_BASE_VOLT_STD_MODE_WITH_OFFSET_UV 709000