void system_init(void)
{
imx233_reset_block(&HW_ICOLL_CTRL);
/* disable all interrupts */
for(int i = 0; i < INT_SRC_NR_SOURCES; i++)
{
/* priority = 0, disable, disable fiq */
HW_ICOLL_INTERRUPT(i) = 0;
}
/* setup vbase as isr_table */
HW_ICOLL_VBASE = (uint32_t)&isr_table;
/* enable final irq bit */
__REG_SET(HW_ICOLL_CTRL) = HW_ICOLL_CTRL__IRQ_FINAL_ENABLE;
imx233_pinctrl_init();
imx233_timrot_init();
imx233_dma_init();
imx233_ssp_init();
imx233_dcp_init();
}
void system_init(void)
{
/* NOTE: don't use anything here that might require tick task !
* It is initialized by kernel_init *after* system_init().
* The main() will naturally set cpu speed to normal after kernel_init()
* so don't bother if the cpu is running at 24MHz here.
* Make sure IO clock is running at expected speed */
imx233_clkctrl_init();
imx233_clkctrl_enable(CLK_PLL, true);
#if IMX233_SUBTARGET >= 3700
imx233_clkctrl_set_frac_div(CLK_IO, 18); // clk_io@clk_pll
#endif
imx233_rtc_init();
imx233_icoll_init();
imx233_pinctrl_init();
imx233_timrot_init();
imx233_dma_init();
imx233_ssp_init();
#if IMX233_SUBTARGET >= 3700
imx233_dcp_init();
#endif
imx233_pwm_init();
imx233_lradc_init();
imx233_power_init();
imx233_i2c_init();
imx233_powermgmt_init();
/* setup watchdog */
watchdog_init();
/* make sure auto-slow is disable now, we don't know at which frequency we
* are running and auto-slow could violate constraints on {xbus,hbus} */
imx233_clkctrl_enable_auto_slow(false);
imx233_clkctrl_set_auto_slow_div(BV_CLKCTRL_HBUS_SLOW_DIV__BY8);
cpu_frequency = imx233_clkctrl_get_freq(CLK_CPU);
#if !defined(BOOTLOADER) && CONFIG_TUNER != 0
fmradio_i2c_init();
#endif
}