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imx233: move power init to system init

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Do low level power init in system_init(). This can be needed
since imx233 must be able to frequecy scale atfer system_init()
and kernel_init() and this is only possible if power system was
initialised.

Change-Id: I27c66ec0dccd60bda26a45be24683c0bfe72c6da
This commit is contained in:
Amaury Pouly 2012-12-29 01:33:55 +01:00
parent f7132e4044
commit 2b1159dda0
3 changed files with 18 additions and 5 deletions
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6
firmware/target/arm/imx233/power-imx233.c
View file

@ -81,7 +81,7 @@ void INT_VDD5V(void)
}
}
void power_init(void)
void imx233_power_init(void)
{
/* setup vbusvalid parameters: set threshold to 4v and power up comparators */
__REG_CLR(HW_POWER_5VCTRL) = HW_POWER_5VCTRL__VBUSVALID_TRSH_BM;
@ -110,6 +110,10 @@ void power_init(void)
__FIELD_SET(HW_POWER_LOOPCTRL, EN_RCSCALE, HW_POWER_LOOPCTRL__EN_RCSCALE__2X);
}
void power_init(void)
{
}
void power_off(void)
{
/* wait a bit, useful for the user to stop touching anything */

2
firmware/target/arm/imx233/power-imx233.h
View file

@ -177,6 +177,8 @@
#define HW_POWER_RESET__UNLOCK 0x3E770000
#define HW_POWER_RESET__PWD 0x1
void imx233_power_init(void);
void imx233_power_set_charge_current(unsigned current); /* in mA */
void imx233_power_set_stop_current(unsigned current); /* in mA */
void imx233_power_enable_batadj(bool enable);

15
firmware/target/arm/imx233/system-imx233.c
View file

@ -101,6 +101,10 @@ void memory_init(void)
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. */
imx233_clkctrl_enable_clock(CLK_PLL, true);
imx233_rtc_init();
imx233_icoll_init();
@ -111,11 +115,9 @@ void system_init(void)
imx233_dcp_init();
imx233_pwm_init();
imx233_lradc_init();
imx233_power_init();
imx233_i2c_init();
#if !defined(BOOTLOADER) &&(defined(SANSA_FUZEPLUS) || \
defined(CREATIVE_ZENXFI3) || defined(CREATIVE_ZENXFI2))
fmradio_i2c_init();
#endif
imx233_clkctrl_enable_auto_slow_monitor(AS_CPU_INSTR, true);
imx233_clkctrl_enable_auto_slow_monitor(AS_CPU_DATA, true);
imx233_clkctrl_enable_auto_slow_monitor(AS_TRAFFIC, true);
@ -124,6 +126,11 @@ void system_init(void)
imx233_clkctrl_enable_auto_slow_monitor(AS_APBHDMA, true);
imx233_clkctrl_set_auto_slow_divisor(AS_DIV_8);
imx233_clkctrl_enable_auto_slow(true);
#if !defined(BOOTLOADER) &&(defined(SANSA_FUZEPLUS) || \
defined(CREATIVE_ZENXFI3) || defined(CREATIVE_ZENXFI2))
fmradio_i2c_init();
#endif
}
bool imx233_us_elapsed(uint32_t ref, unsigned us_delay)