-----Original Message----- From: Fabio Estevam [mailto:festevam@gmail.com] Sent: Tuesday, May 08, 2012 4:26 AM To: u-boot@lists.denx.de Cc: sbabic@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@freescale.com
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
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