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imx233/fuze+: move to a more generic xtal derived clock enabling function, fix timrot accordingly

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git-svn-id: svn://svn.rockbox.org/rockbox/trunk@30793 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Amaury Pouly 2011-10-18 22:00:50 +00:00
parent 0b3347e47f
commit d0e8c35862
3 changed files with 15 additions and 5 deletions
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6
firmware/target/arm/imx233/clkctrl-imx233.c
View file

@ -23,12 +23,12 @@
#define __CLK_CLKGATE (1 << 31)
#define __CLK_BUSY (1 << 29)
void imx233_enable_timrot_xtal_clk32k(bool enable)
void imx233_enable_xtal_clock(enum imx233_xtal_clkt_t xtal_clk, bool enable)
{
if(enable)
__REG_CLR(HW_CLKCTRL_XTAL) = HW_CLKCTRL_XTAL__TIMROT_CLK32K_GATE;
__REG_CLR(HW_CLKCTRL_XTAL) = xtal_clk;
else
__REG_SET(HW_CLKCTRL_XTAL) = HW_CLKCTRL_XTAL__TIMROT_CLK32K_GATE;
__REG_SET(HW_CLKCTRL_XTAL) = xtal_clk;
}
void imx233_enable_clock(enum imx233_clock_t clk, bool enable)

12
firmware/target/arm/imx233/clkctrl-imx233.h
View file

@ -50,6 +50,8 @@
#define HW_CLKCTRL_XTAL (*(volatile uint32_t *)(HW_CLKCTRL_BASE + 0x50))
#define HW_CLKCTRL_XTAL__TIMROT_CLK32K_GATE (1 << 26)
#define HW_CLKCTRL_XTAL__DRI_CLK24M_GATE (1 << 28)
#define HW_CLKCTRL_XTAL__FILT_CLK24M_GATE (1 << 30)
#define HW_CLKCTRL_PIX (*(volatile uint32_t *)(HW_CLKCTRL_BASE + 0x60))
#define HW_CLKCTRL_PIX__DIV_BM 0xfff
@ -84,7 +86,15 @@ enum imx233_clock_t
CLK_AHB /* div */
};
void imx233_enable_timrot_xtal_clk32k(bool enable);
enum imx233_xtal_clkt_t
{
XTAL_FILT = 1 << 30,
XTAL_DRI = 1 << 28,
XTAL_TIMROT = 1 << 26,
};
/* can use a mask of clocks */
void imx233_enable_xtal_clock(enum imx233_xtal_clkt_t xtal_clk, bool enable);
/* only use it for non-fractional clocks (ie not for IO) */
void imx233_enable_clock(enum imx233_clock_t clk, bool enable);
void imx233_set_clock_divisor(enum imx233_clock_t clk, int div);

2
firmware/target/arm/imx233/timrot-imx233.c
View file

@ -75,5 +75,5 @@ void imx233_timrot_init(void)
{
imx233_reset_block(&HW_TIMROT_ROTCTRL);
/* enable xtal path to timrot */
imx233_enable_timrot_xtal_clk32k(true);
imx233_enable_xtal_clock(XTAL_TIMROT, true);
}