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| author | Amaury Pouly <pamaury@rockbox.org> | 2011-12-26 17:09:09 +0000 |
|---|---|---|
| committer | Amaury Pouly <pamaury@rockbox.org> | 2011-12-26 17:09:09 +0000 |
| commit | 4fe6963e4044fd25e5c6b14dea31b0e0b60910c6 (patch) | |
| tree | 16d8d6d36cd5d328af28a4452ce0d709386b0eec /firmware/target/arm/imx233/clkctrl-imx233.h | |
| parent | 4e8320d2ecc473d29da41f669b59c0ab463cb70a (diff) | |
| download | rockbox-4fe6963e4044fd25e5c6b14dea31b0e0b60910c6.tar.gz rockbox-4fe6963e4044fd25e5c6b14dea31b0e0b60910c6.zip | |
imx233: implement core_sleep
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@31443 a1c6a512-1295-4272-9138-f99709370657
Diffstat (limited to 'firmware/target/arm/imx233/clkctrl-imx233.h')
| -rw-r--r-- | firmware/target/arm/imx233/clkctrl-imx233.h | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/firmware/target/arm/imx233/clkctrl-imx233.h b/firmware/target/arm/imx233/clkctrl-imx233.h index fc835c813a..8a52620f7e 100644 --- a/firmware/target/arm/imx233/clkctrl-imx233.h +++ b/firmware/target/arm/imx233/clkctrl-imx233.h | |||
| @@ -98,6 +98,17 @@ | |||
| 98 | #define HW_CLKCTRL_RESET_CHIP 0x2 | 98 | #define HW_CLKCTRL_RESET_CHIP 0x2 |
| 99 | #define HW_CLKCTRL_RESET_DIG 0x1 | 99 | #define HW_CLKCTRL_RESET_DIG 0x1 |
| 100 | 100 | ||
| 101 | static inline void core_sleep(void) | ||
| 102 | { | ||
| 103 | __REG_SET(HW_CLKCTRL_CPU) = HW_CLKCTRL_CPU__INTERRUPT_WAIT; | ||
| 104 | asm volatile ( | ||
| 105 | "mcr p15, 0, %0, c7, c0, 4 \n" /* Wait for interrupt */ | ||
| 106 | "nop\n" /* Datasheet unclear: "The lr sent to handler points here after RTI"*/ | ||
| 107 | : : "r"(0) | ||
| 108 | ); | ||
| 109 | enable_irq(); | ||
| 110 | } | ||
| 111 | |||
| 101 | enum imx233_clock_t | 112 | enum imx233_clock_t |
| 102 | { | 113 | { |
| 103 | CLK_PIX, /* freq, div, frac, bypass, enable */ | 114 | CLK_PIX, /* freq, div, frac, bypass, enable */ |