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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>
This commit is contained in:
Fabio Estevam 2012-05-07 10:25:59 +00:00 committed by Albert ARIBAUD
parent ed5157e889
commit 5b547f3c20
3 changed files with 48 additions and 12 deletions
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48
board/freescale/mx53loco/mx53loco.c
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@ -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;
}

2
include/configs/mx53loco.h
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@ -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

10
include/fsl_pmic.h
View File

@ -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