[U-Boot] [PATCH 2/4] mx53loco: Add mc34708 support and set mx53 frequency at 1GHz

[Liu Hui-R64343]

>-----Original Message-----
>From: Fabio Estevam [mailto:festevam at gmail.com]
>Sent: Tuesday, May 08, 2012 4:26 AM
>To: u-boot at lists.denx.de
>Cc: sbabic at denx.de; Liu Hui-R64343; Estevam Fabio-R49496
>Subject: [PATCH 2/4] mx53loco: Add mc34708 support and set mx53
>frequency at 1GHz
>
>From: Fabio Estevam <fabio.estevam at freescale.com>
>
>Add mc34708 support and set mx53 core frequency at its maximum value of
>1GHz.
>
>Signed-off-by: Fabio Estevam <fabio.estevam at freescale.com>

Acked-by: Jason Liu <r64343 at freescale.com>

>---
> board/freescale/mx53loco/mx53loco.c |   52 +++++++++++++++++++++++++---
>------
> include/configs/mx53loco.h          |    2 +
> include/fsl_pmic.h                  |   10 +++++++
> 3 files changed, 50 insertions(+), 14 deletions(-)
>
>diff --git a/board/freescale/mx53loco/mx53loco.c
>b/board/freescale/mx53loco/mx53loco.c
>index 7ed5c4e..8c18b99 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();
>-
>-	/* 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);
>+	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);
>+
>+		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 1.30V */
>+		ret |= pmic_reg_write(p, DA9053_BUCKPRO_REG, 0x62);
>+		ret |= pmic_reg_write(p, DA9053_SUPPLY_REG, 0x62);
>+	}
>
>-	/* Set Vcc peripheral to 1.35V */
>-	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
>--
>1.7.1
>