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authorSRICHARAN R2013-02-04 04:22:02 +0000
committerTom Rini2013-03-11 11:06:10 -0400
commit3fcdd4a5f8ba0e0fac4b2afdb5e90efac9f7f301 (patch)
treeeba59f79109e214726acd882ae64083641700d82 /arch/arm/cpu/armv7/omap4
parentee9447bfe37a646a8dce182e6f625f27c10512a0 (diff)
ARM: OMAP4+: Clean up the pmic code
The pmic code is duplicated for OMAP 4 and 5. Instead move the data to Soc specific place and share the code. Signed-off-by: R Sricharan <r.sricharan@ti.com> Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com> Reviewed-by: Tom Rini <trini@ti.com>
Diffstat (limited to 'arch/arm/cpu/armv7/omap4')
-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
3 files changed, 70 insertions, 124 deletions
diff --git a/arch/arm/cpu/armv7/omap4/Makefile b/arch/arm/cpu/armv7/omap4/Makefile
index 03651489588..40808d18ff0 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 4772743947f..00000000000
--- 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 6ae3986d733..18efa6c828a 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: