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 7ed5c4e4dacbac8c0e8d184f335a4832edf473cd..8f5ded988d10c00503f737dc0fad6af461437db4 100644 (file)
--- 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 8f43eecdd3b7c4e9ea662e1f6442726e5570e65d..87f6ed1e2f6be44292154372e2cc408948bf5fa5 100644 (file)
--- 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 742f2e19f9e9533573c07e1563978da8ba7bdfd7..3b7cd37fb70c9e61f2c2f0a6715b15d387c62da6 100644 (file)
--- 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