diff options
Diffstat (limited to 'board/freescale/mx53_smd')
| -rw-r--r-- | board/freescale/mx53_smd/lowlevel_init.S | 2 | ||||
| -rw-r--r-- | board/freescale/mx53_smd/mx53_smd.c | 14 |
2 files changed, 15 insertions, 1 deletions
diff --git a/board/freescale/mx53_smd/lowlevel_init.S b/board/freescale/mx53_smd/lowlevel_init.S index 5feaaf1..60ee843 100644 --- a/board/freescale/mx53_smd/lowlevel_init.S +++ b/board/freescale/mx53_smd/lowlevel_init.S @@ -97,7 +97,7 @@ mov r1, #0x4 str r1, [r0, #CLKCTL_CCSR] - setup_pll PLL1_BASE_ADDR, 1000 + setup_pll PLL1_BASE_ADDR, 800 setup_pll PLL3_BASE_ADDR, 400 diff --git a/board/freescale/mx53_smd/mx53_smd.c b/board/freescale/mx53_smd/mx53_smd.c index be1185f..1b44b3c 100644 --- a/board/freescale/mx53_smd/mx53_smd.c +++ b/board/freescale/mx53_smd/mx53_smd.c @@ -363,6 +363,16 @@ static void setup_i2c(unsigned int module_base) break; } } + +void setup_pmic_voltages(void) +{ + int value; + i2c_init(CONFIG_SYS_I2C_SPEED, CONFIG_SYS_I2C_SLAVE); + /* increase VDDGP as 1.2V for 1GHZ */ + value = 0x5c; + i2c_write(0x48, 0x2e, 1, &value, 1); +} + #endif #if defined(CONFIG_DWC_AHSATA) @@ -684,6 +694,10 @@ int board_init(void) #ifdef CONFIG_I2C_MXC setup_i2c(CONFIG_SYS_I2C_PORT); + /* Increase VDDGP voltage */ + setup_pmic_voltages(); + /* Switch to 1GHZ */ + clk_config(CONFIG_REF_CLK_FREQ, 1000, CPU_CLK); #endif #if defined(CONFIG_DWC_AHSATA) |