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-rw-r--r--arch/arm/cpu/armv7/omap-common/clocks-common.c83
-rw-r--r--arch/arm/cpu/armv7/omap4/Makefile1
-rw-r--r--arch/arm/cpu/armv7/omap4/clocks.c123
-rw-r--r--arch/arm/cpu/armv7/omap4/hw_data.c70
-rw-r--r--arch/arm/cpu/armv7/omap5/Makefile1
-rw-r--r--arch/arm/cpu/armv7/omap5/clocks.c98
-rw-r--r--arch/arm/cpu/armv7/omap5/hw_data.c43
7 files changed, 170 insertions, 249 deletions
diff --git a/arch/arm/cpu/armv7/omap-common/clocks-common.c b/arch/arm/cpu/armv7/omap-common/clocks-common.c
index 2becc4a..88e5336 100644
--- a/arch/arm/cpu/armv7/omap-common/clocks-common.c
+++ b/arch/arm/cpu/armv7/omap-common/clocks-common.c
@@ -443,44 +443,45 @@ static void setup_non_essential_dplls(void)
}
#endif
-void do_scale_tps62361(int gpio, u32 reg, u32 volt_mv)
+u32 get_offset_code(u32 volt_offset, struct pmic_data *pmic)
{
- u32 step;
- int ret = 0;
-
- /* See if we can first get the GPIO if needed */
- if (gpio >= 0)
- ret = gpio_request(gpio, "TPS62361_VSEL0_GPIO");
- if (ret < 0) {
- printf("%s: gpio %d request failed %d\n", __func__, gpio, ret);
- gpio = -1;
- }
-
- /* Pull the GPIO low to select SET0 register, while we program SET1 */
- if (gpio >= 0)
- gpio_direction_output(gpio, 0);
+ u32 offset_code;
- step = volt_mv - TPS62361_BASE_VOLT_MV;
- step /= 10;
+ volt_offset -= pmic->base_offset;
- debug("do_scale_tps62361: volt - %d step - 0x%x\n", volt_mv, step);
- if (omap_vc_bypass_send_value(TPS62361_I2C_SLAVE_ADDR, reg, step))
- puts("Scaling voltage failed for vdd_mpu from TPS\n");
+ offset_code = (volt_offset + pmic->step - 1) / pmic->step;
- /* Pull the GPIO high to select SET1 register */
- if (gpio >= 0)
- gpio_direction_output(gpio, 1);
+ /*
+ * Offset codes 1-6 all give the base voltage in Palmas
+ * Offset code 0 switches OFF the SMPS
+ */
+ return offset_code + pmic->start_code;
}
-void do_scale_vcore(u32 vcore_reg, u32 volt_mv)
+void do_scale_vcore(u32 vcore_reg, u32 volt_mv, struct pmic_data *pmic)
{
u32 offset_code;
u32 offset = volt_mv;
+ int ret = 0;
+
+ /* See if we can first get the GPIO if needed */
+ if (pmic->gpio_en)
+ ret = gpio_request(pmic->gpio, "PMIC_GPIO");
+
+ if (ret < 0) {
+ printf("%s: gpio %d request failed %d\n", __func__,
+ pmic->gpio, ret);
+ return;
+ }
+
+ /* Pull the GPIO low to select SET0 register, while we program SET1 */
+ if (pmic->gpio_en)
+ gpio_direction_output(pmic->gpio, 0);
/* convert to uV for better accuracy in the calculations */
offset *= 1000;
- offset_code = get_offset_code(offset);
+ offset_code = get_offset_code(offset, pmic);
debug("do_scale_vcore: volt - %d offset_code - 0x%x\n", volt_mv,
offset_code);
@@ -488,6 +489,36 @@ void do_scale_vcore(u32 vcore_reg, u32 volt_mv)
if (omap_vc_bypass_send_value(SMPS_I2C_SLAVE_ADDR,
vcore_reg, offset_code))
printf("Scaling voltage failed for 0x%x\n", vcore_reg);
+
+ if (pmic->gpio_en)
+ gpio_direction_output(pmic->gpio, 1);
+}
+
+/*
+ * Setup the voltages for vdd_mpu, vdd_core, and vdd_iva
+ * We set the maximum voltages allowed here because Smart-Reflex is not
+ * enabled in bootloader. Voltage initialization in the kernel will set
+ * these to the nominal values after enabling Smart-Reflex
+ */
+void scale_vcores(struct vcores_data const *vcores)
+{
+ omap_vc_init(PRM_VC_I2C_CHANNEL_FREQ_KHZ);
+
+ do_scale_vcore(vcores->core.addr, vcores->core.value,
+ vcores->core.pmic);
+
+ do_scale_vcore(vcores->mpu.addr, vcores->mpu.value,
+ vcores->mpu.pmic);
+
+ do_scale_vcore(vcores->mm.addr, vcores->mm.value,
+ vcores->mm.pmic);
+
+ if (emif_sdram_type() == EMIF_SDRAM_TYPE_DDR3) {
+ /* 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);
+ }
}
static inline void enable_clock_domain(u32 const clkctrl_reg, u32 enable_mode)
@@ -656,7 +687,7 @@ void prcm_init(void)
case OMAP_INIT_CONTEXT_UBOOT_FROM_NOR:
case OMAP_INIT_CONTEXT_UBOOT_AFTER_CH:
enable_basic_clocks();
- scale_vcores();
+ scale_vcores(*omap_vcores);
setup_dplls();
#ifdef CONFIG_SYS_CLOCKS_ENABLE_ALL
setup_non_essential_dplls();
diff --git a/arch/arm/cpu/armv7/omap4/Makefile b/arch/arm/cpu/armv7/omap4/Makefile
index 0365148..40808d1 100644
--- a/arch/arm/cpu/armv7/omap4/Makefile
+++ b/arch/arm/cpu/armv7/omap4/Makefile
@@ -27,7 +27,6 @@ LIB = $(obj)lib$(SOC).o
COBJS += sdram_elpida.o
COBJS += hwinit.o
-COBJS += clocks.o
COBJS += emif.o
COBJS += prcm-regs.o
COBJS += hw_data.o
diff --git a/arch/arm/cpu/armv7/omap4/clocks.c b/arch/arm/cpu/armv7/omap4/clocks.c
deleted file mode 100644
index 4772743..0000000
--- a/arch/arm/cpu/armv7/omap4/clocks.c
+++ /dev/null
@@ -1,123 +0,0 @@
-/*
- *
- * Clock initialization for OMAP4
- *
- * (C) Copyright 2010
- * Texas Instruments, <www.ti.com>
- *
- * Aneesh V <aneesh@ti.com>
- *
- * Based on previous work by:
- * Santosh Shilimkar <santosh.shilimkar@ti.com>
- * Rajendra Nayak <rnayak@ti.com>
- *
- * See file CREDITS for list of people who contributed to this
- * project.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of
- * the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
- * MA 02111-1307 USA
- */
-#include <common.h>
-#include <asm/omap_common.h>
-#include <asm/gpio.h>
-#include <asm/arch/clocks.h>
-#include <asm/arch/sys_proto.h>
-#include <asm/utils.h>
-#include <asm/omap_gpio.h>
-
-#ifndef CONFIG_SPL_BUILD
-/*
- * printing to console doesn't work unless
- * this code is executed from SPL
- */
-#define printf(fmt, args...)
-#define puts(s)
-#endif /* !CONFIG_SPL_BUILD */
-
-/*
- * Setup the voltages for vdd_mpu, vdd_core, and vdd_iva
- * We set the maximum voltages allowed here because Smart-Reflex is not
- * enabled in bootloader. Voltage initialization in the kernel will set
- * these to the nominal values after enabling Smart-Reflex
- */
-void scale_vcores(void)
-{
- u32 volt, omap_rev;
-
- omap_vc_init(PRM_VC_I2C_CHANNEL_FREQ_KHZ);
-
- omap_rev = omap_revision();
-
- /*
- * Scale Voltage rails:
- * 1. VDD_CORE
- * 3. VDD_MPU
- * 3. VDD_IVA
- */
- if (omap_rev < OMAP4460_ES1_0) {
- /*
- * OMAP4430:
- * VDD_CORE = TWL6030 VCORE3
- * VDD_MPU = TWL6030 VCORE1
- * VDD_IVA = TWL6030 VCORE2
- */
- volt = 1200;
- do_scale_vcore(SMPS_REG_ADDR_VCORE3, volt);
-
- /*
- * note on VDD_MPU:
- * Setting a high voltage for Nitro mode as smart reflex is not
- * enabled. We use the maximum possible value in the AVS range
- * because the next higher voltage in the discrete range
- * (code >= 0b111010) is way too high.
- */
- volt = 1325;
- do_scale_vcore(SMPS_REG_ADDR_VCORE1, volt);
- volt = 1200;
- do_scale_vcore(SMPS_REG_ADDR_VCORE2, volt);
-
- } else {
- /*
- * OMAP4460:
- * VDD_CORE = TWL6030 VCORE1
- * VDD_MPU = TPS62361
- * VDD_IVA = TWL6030 VCORE2
- */
- volt = 1200;
- do_scale_vcore(SMPS_REG_ADDR_VCORE1, volt);
- /* TPS62361 */
- volt = 1203;
- do_scale_tps62361(TPS62361_VSEL0_GPIO,
- TPS62361_REG_ADDR_SET1, volt);
- /* VCORE 2 - supplies vdd_iva */
- volt = 1200;
- do_scale_vcore(SMPS_REG_ADDR_VCORE2, volt);
- }
-}
-
-u32 get_offset_code(u32 offset)
-{
- u32 offset_code, step = 12660; /* 12.66 mV represented in uV */
-
- if (omap_revision() == OMAP4430_ES1_0)
- offset -= PHOENIX_SMPS_BASE_VOLT_STD_MODE_UV;
- else
- offset -= PHOENIX_SMPS_BASE_VOLT_STD_MODE_WITH_OFFSET_UV;
-
- offset_code = (offset + step - 1) / step;
-
- /* The code starts at 1 not 0 */
- return ++offset_code;
-}
diff --git a/arch/arm/cpu/armv7/omap4/hw_data.c b/arch/arm/cpu/armv7/omap4/hw_data.c
index 6ae3986..18efa6c 100644
--- a/arch/arm/cpu/armv7/omap4/hw_data.c
+++ b/arch/arm/cpu/armv7/omap4/hw_data.c
@@ -30,12 +30,15 @@
#include <asm/arch/sys_proto.h>
#include <asm/omap_common.h>
#include <asm/arch/clocks.h>
+#include <asm/omap_gpio.h>
#include <asm/io.h>
struct prcm_regs const **prcm =
(struct prcm_regs const **) OMAP_SRAM_SCRATCH_PRCM_PTR;
struct dplls const **dplls_data =
(struct dplls const **) OMAP_SRAM_SCRATCH_DPLLS_PTR;
+struct vcores_data const **omap_vcores =
+ (struct vcores_data const **) OMAP_SRAM_SCRATCH_VCORES_PTR;
/*
* The M & N values in the following tables are created using the
@@ -194,6 +197,70 @@ struct dplls omap4460_dplls = {
.usb = usb_dpll_params_1920mhz
};
+struct pmic_data twl6030_4430es1 = {
+ .base_offset = PHOENIX_SMPS_BASE_VOLT_STD_MODE_UV,
+ .step = 12660, /* 10 mV represented in uV */
+ /* The code starts at 1 not 0 */
+ .start_code = 1,
+};
+
+struct pmic_data twl6030 = {
+ .base_offset = PHOENIX_SMPS_BASE_VOLT_STD_MODE_WITH_OFFSET_UV,
+ .step = 12660, /* 10 mV represented in uV */
+ /* The code starts at 1 not 0 */
+ .start_code = 1,
+};
+
+struct pmic_data tps62361 = {
+ .base_offset = TPS62361_BASE_VOLT_MV,
+ .step = 10000, /* 10 mV represented in uV */
+ .start_code = 0,
+ .gpio = TPS62361_VSEL0_GPIO,
+ .gpio_en = 1
+};
+
+struct vcores_data omap4430_volts_es1 = {
+ .mpu.value = 1325,
+ .mpu.addr = SMPS_REG_ADDR_VCORE1,
+ .mpu.pmic = &twl6030_4430es1,
+
+ .core.value = 1200,
+ .core.addr = SMPS_REG_ADDR_VCORE3,
+ .core.pmic = &twl6030_4430es1,
+
+ .mm.value = 1200,
+ .mm.addr = SMPS_REG_ADDR_VCORE2,
+ .mm.pmic = &twl6030_4430es1,
+};
+
+struct vcores_data omap4430_volts = {
+ .mpu.value = 1325,
+ .mpu.addr = SMPS_REG_ADDR_VCORE1,
+ .mpu.pmic = &twl6030,
+
+ .core.value = 1200,
+ .core.addr = SMPS_REG_ADDR_VCORE3,
+ .core.pmic = &twl6030,
+
+ .mm.value = 1200,
+ .mm.addr = SMPS_REG_ADDR_VCORE2,
+ .mm.pmic = &twl6030,
+};
+
+struct vcores_data omap4460_volts = {
+ .mpu.value = 1203,
+ .mpu.addr = TPS62361_REG_ADDR_SET1,
+ .mpu.pmic = &tps62361,
+
+ .core.value = 1200,
+ .core.addr = SMPS_REG_ADDR_VCORE1,
+ .core.pmic = &tps62361,
+
+ .mm.value = 1200,
+ .mm.addr = SMPS_REG_ADDR_VCORE2,
+ .mm.pmic = &tps62361,
+};
+
/*
* Enable essential clock domains, modules and
* do some additional special settings needed
@@ -382,6 +449,7 @@ void hw_data_init(void)
case OMAP4430_ES1_0:
*dplls_data = &omap4430_dplls_es1;
+ *omap_vcores = &omap4430_volts_es1;
break;
case OMAP4430_ES2_0:
@@ -389,11 +457,13 @@ void hw_data_init(void)
case OMAP4430_ES2_2:
case OMAP4430_ES2_3:
*dplls_data = &omap4430_dplls;
+ *omap_vcores = &omap4430_volts;
break;
case OMAP4460_ES1_0:
case OMAP4460_ES1_1:
*dplls_data = &omap4460_dplls;
+ *omap_vcores = &omap4460_volts;
break;
default:
diff --git a/arch/arm/cpu/armv7/omap5/Makefile b/arch/arm/cpu/armv7/omap5/Makefile
index 81625f6..ce00e2c 100644
--- a/arch/arm/cpu/armv7/omap5/Makefile
+++ b/arch/arm/cpu/armv7/omap5/Makefile
@@ -26,7 +26,6 @@ include $(TOPDIR)/config.mk
LIB = $(obj)lib$(SOC).o
COBJS += hwinit.o
-COBJS += clocks.o
COBJS += emif.o
COBJS += sdram.o
COBJS += prcm-regs.o
diff --git a/arch/arm/cpu/armv7/omap5/clocks.c b/arch/arm/cpu/armv7/omap5/clocks.c
deleted file mode 100644
index da5b3ac..0000000
--- a/arch/arm/cpu/armv7/omap5/clocks.c
+++ /dev/null
@@ -1,98 +0,0 @@
-/*
- *
- * Clock initialization for OMAP5
- *
- * (C) Copyright 2010
- * Texas Instruments, <www.ti.com>
- *
- * Aneesh V <aneesh@ti.com>
- * Sricharan R <r.sricharan@ti.com>
- *
- * Based on previous work by:
- * Santosh Shilimkar <santosh.shilimkar@ti.com>
- * Rajendra Nayak <rnayak@ti.com>
- *
- * See file CREDITS for list of people who contributed to this
- * project.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of
- * the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
- * MA 02111-1307 USA
- */
-#include <common.h>
-#include <asm/omap_common.h>
-#include <asm/arch/clocks.h>
-#include <asm/arch/sys_proto.h>
-#include <asm/utils.h>
-#include <asm/omap_gpio.h>
-#include <asm/emif.h>
-
-#ifndef CONFIG_SPL_BUILD
-/*
- * printing to console doesn't work unless
- * this code is executed from SPL
- */
-#define printf(fmt, args...)
-#define puts(s)
-#endif
-
-/*
- * Setup the voltages for vdd_mpu, vdd_core, and vdd_iva
- * We set the maximum voltages allowed here because Smart-Reflex is not
- * enabled in bootloader. Voltage initialization in the kernel will set
- * these to the nominal values after enabling Smart-Reflex
- */
-void scale_vcores(void)
-{
- u32 volt_core, volt_mpu, volt_mm;
-
- omap_vc_init(PRM_VC_I2C_CHANNEL_FREQ_KHZ);
-
- /* Palmas settings */
- 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 (emif_sdram_type() == EMIF_SDRAM_TYPE_DDR3) {
- /* 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)
-{
- u32 offset_code, step = 10000; /* 10 mV represented in uV */
-
- volt_offset -= PALMAS_SMPS_BASE_VOLT_UV;
-
- offset_code = (volt_offset + step - 1) / step;
-
- /*
- * Offset codes 1-6 all give the base voltage in Palmas
- * Offset code 0 switches OFF the SMPS
- */
- return offset_code + 6;
-}
diff --git a/arch/arm/cpu/armv7/omap5/hw_data.c b/arch/arm/cpu/armv7/omap5/hw_data.c
index df375f9..13e618d 100644
--- a/arch/arm/cpu/armv7/omap5/hw_data.c
+++ b/arch/arm/cpu/armv7/omap5/hw_data.c
@@ -30,12 +30,15 @@
#include <asm/arch/sys_proto.h>
#include <asm/omap_common.h>
#include <asm/arch/clocks.h>
+#include <asm/omap_gpio.h>
#include <asm/io.h>
struct prcm_regs const **prcm =
(struct prcm_regs const **) OMAP_SRAM_SCRATCH_PRCM_PTR;
struct dplls const **dplls_data =
(struct dplls const **) OMAP_SRAM_SCRATCH_DPLLS_PTR;
+struct vcores_data const **omap_vcores =
+ (struct vcores_data const **) OMAP_SRAM_SCRATCH_VCORES_PTR;
static const struct dpll_params mpu_dpll_params_1_5ghz[NUM_SYS_CLKS] = {
{125, 0, 1, -1, -1, -1, -1, -1, -1, -1}, /* 12 MHz */
@@ -179,6 +182,44 @@ struct dplls omap5_dplls_es1 = {
.usb = usb_dpll_params_1920mhz
};
+struct pmic_data palmas = {
+ .base_offset = PALMAS_SMPS_BASE_VOLT_UV,
+ .step = 10000, /* 10 mV represented in uV */
+ /*
+ * Offset codes 1-6 all give the base voltage in Palmas
+ * Offset code 0 switches OFF the SMPS
+ */
+ .start_code = 6,
+};
+
+struct vcores_data omap5430_volts = {
+ .mpu.value = VDD_MPU,
+ .mpu.addr = SMPS_REG_ADDR_12_MPU,
+ .mpu.pmic = &palmas,
+
+ .core.value = VDD_CORE,
+ .core.addr = SMPS_REG_ADDR_8_CORE,
+ .core.pmic = &palmas,
+
+ .mm.value = VDD_MM,
+ .mm.addr = SMPS_REG_ADDR_45_IVA,
+ .mm.pmic = &palmas,
+};
+
+struct vcores_data omap5432_volts = {
+ .mpu.value = VDD_MPU_5432,
+ .mpu.addr = SMPS_REG_ADDR_12_MPU,
+ .mpu.pmic = &palmas,
+
+ .core.value = VDD_CORE_5432,
+ .core.addr = SMPS_REG_ADDR_8_CORE,
+ .core.pmic = &palmas,
+
+ .mm.value = VDD_MM_5432,
+ .mm.addr = SMPS_REG_ADDR_45_IVA,
+ .mm.pmic = &palmas,
+};
+
/*
* Enable essential clock domains, modules and
* do some additional special settings needed
@@ -380,11 +421,13 @@ void hw_data_init(void)
case OMAP5430_ES1_0:
*prcm = &omap5_es1_prcm;
*dplls_data = &omap5_dplls_es1;
+ *omap_vcores = &omap5430_volts;
break;
case OMAP5432_ES1_0:
*prcm = &omap5_es1_prcm;
*dplls_data = &omap5_dplls_es1;
+ *omap_vcores = &omap5432_volts;
break;
default:
generated by cgit v1.1 at 2024-11-09 19:33:43 +0000