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>
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 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;
}