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From bb46787a684ee948eff96d5d9a7e6ff1632016ea Mon Sep 17 00:00:00 2001
From: Fabio Estevam <fabio.estevam@freescale.com>
Date: Mon, 7 May 2012 10:25:59 +0000
Subject: [PATCH 36/56] mx53loco: Add mc34708 support and set mx53 frequency
at 1GHz
Add mc34708 support and set mx53 core frequency at its maximum value of 1GHz.
Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Acked-by: Jason Liu <r64343@freescale.com>
Acked-by: Stefano Babic <sbabic@denx.de>
---
board/freescale/mx53loco/mx53loco.c | 48 ++++++++++++++++++++++++++---------
include/configs/mx53loco.h | 2 ++
include/fsl_pmic.h | 10 ++++++++
3 files changed, 48 insertions(+), 12 deletions(-)
diff --git a/board/freescale/mx53loco/mx53loco.c b/board/freescale/mx53loco/mx53loco.c
index 7ed5c4e..8f5ded9 100644
--- a/board/freescale/mx53loco/mx53loco.c
+++ b/board/freescale/mx53loco/mx53loco.c
@@ -38,6 +38,7 @@
#include <asm/gpio.h>
#include <pmic.h>
#include <dialog_pmic.h>
+#include <fsl_pmic.h>
DECLARE_GLOBAL_DATA_PTR;
@@ -319,23 +320,46 @@ static void setup_iomux_i2c(void)
static int power_init(void)
{
- unsigned int val, ret;
+ unsigned int val;
+ int ret = -1;
struct pmic *p;
- pmic_dialog_init();
- p = get_pmic();
+ if (!i2c_probe(CONFIG_SYS_DIALOG_PMIC_I2C_ADDR)) {
+ pmic_dialog_init();
+ p = get_pmic();
- /* Set VDDA to 1.25V */
- val = DA9052_BUCKCORE_BCOREEN | DA_BUCKCORE_VBCORE_1_250V;
- ret = pmic_reg_write(p, DA9053_BUCKCORE_REG, val);
+ /* Set VDDA to 1.25V */
+ val = DA9052_BUCKCORE_BCOREEN | DA_BUCKCORE_VBCORE_1_250V;
+ ret = pmic_reg_write(p, DA9053_BUCKCORE_REG, val);
- ret |= pmic_reg_read(p, DA9053_SUPPLY_REG, &val);
- val |= DA9052_SUPPLY_VBCOREGO;
- ret |= pmic_reg_write(p, DA9053_SUPPLY_REG, val);
+ ret |= pmic_reg_read(p, DA9053_SUPPLY_REG, &val);
+ val |= DA9052_SUPPLY_VBCOREGO;
+ ret |= pmic_reg_write(p, DA9053_SUPPLY_REG, val);
- /* Set Vcc peripheral to 1.35V */
- ret |= pmic_reg_write(p, DA9053_BUCKPRO_REG, 0x62);
- ret |= pmic_reg_write(p, DA9053_SUPPLY_REG, 0x62);
+ /* Set Vcc peripheral to 1.30V */
+ ret |= pmic_reg_write(p, DA9053_BUCKPRO_REG, 0x62);
+ ret |= pmic_reg_write(p, DA9053_SUPPLY_REG, 0x62);
+ }
+
+ if (!i2c_probe(CONFIG_SYS_FSL_PMIC_I2C_ADDR)) {
+ pmic_init();
+ p = get_pmic();
+
+ /* Set VDDGP to 1.25V for 1GHz on SW1 */
+ pmic_reg_read(p, REG_SW_0, &val);
+ val = (val & ~SWx_VOLT_MASK_MC34708) | SWx_1_250V_MC34708;
+ ret = pmic_reg_write(p, REG_SW_0, val);
+
+ /* Set VCC as 1.30V on SW2 */
+ pmic_reg_read(p, REG_SW_1, &val);
+ val = (val & ~SWx_VOLT_MASK_MC34708) | SWx_1_300V_MC34708;
+ ret |= pmic_reg_write(p, REG_SW_1, val);
+
+ /* Set global reset timer to 4s */
+ pmic_reg_read(p, REG_POWER_CTL2, &val);
+ val = (val & ~TIMER_MASK_MC34708) | TIMER_4S_MC34708;
+ ret |= pmic_reg_write(p, REG_POWER_CTL2, val);
+ }
return ret;
}
diff --git a/include/configs/mx53loco.h b/include/configs/mx53loco.h
index 8f43eec..87f6ed1 100644
--- a/include/configs/mx53loco.h
+++ b/include/configs/mx53loco.h
@@ -97,7 +97,9 @@
#define CONFIG_PMIC
#define CONFIG_PMIC_I2C
#define CONFIG_DIALOG_PMIC
+#define CONFIG_PMIC_FSL
#define CONFIG_SYS_DIALOG_PMIC_I2C_ADDR 0x48
+#define CONFIG_SYS_FSL_PMIC_I2C_ADDR 0x8
/* allow to overwrite serial and ethaddr */
#define CONFIG_ENV_OVERWRITE
diff --git a/include/fsl_pmic.h b/include/fsl_pmic.h
index 742f2e1..3b7cd37 100644
--- a/include/fsl_pmic.h
+++ b/include/fsl_pmic.h
@@ -122,4 +122,14 @@ enum {
/* Interrupt status 1 */
#define RTCRSTI (1 << 7)
+/* MC34708 Definitions */
+#define SWx_VOLT_MASK_MC34708 0x3F
+#define SWx_1_250V_MC34708 0x30
+#define SWx_1_300V_MC34708 0x34
+#define TIMER_MASK_MC34708 0x300
+#define TIMER_4S_MC34708 0x100
+#define VUSBSEL_MC34708 (1 << 2)
+#define VUSBEN_MC34708 (1 << 3)
+#define SWBST_CTRL 31
+
#endif
--
1.7.10
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