xiaomi-sm8450/android_kernel_xiaomi_sm8450
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

[ARM] pxa: introduce reset_status and clear_reset_status for driver's usage

Browse Source 
Due to the problem of reset status bits being handled by different
registers between pxa2xx and pxa3xx, introduce a global reset_status
variable, initialized by SoC-specific code and later being used by
other drivers.

And also introduce clear_reset_status(), which is used to clear the
corresponding status bits. Pass RESET_STATUS_ALL to clear all bits.

Signed-off-by: Eric Miao <eric.miao@marvell.com>
This commit is contained in:
Eric Miao
2008-07-29 14:26:00 +08:00
parent ab27712142
commit 04fef228fb
10 changed files with 79 additions and 3 deletions
Download Patch File Download Diff File Expand all files Collapse all files

8
arch/arm/mach-pxa/generic.h
View File

@@ -47,12 +47,20 @@ extern unsigned pxa27x_get_memclk_frequency_10khz(void);
#define pxa27x_get_memclk_frequency_10khz() (0)
#endif
#if defined(CONFIG_PXA25x) || defined(CONFIG_PXA27x)
extern void pxa2xx_clear_reset_status(unsigned int);
#else
static inline void pxa2xx_clear_reset_status(unsigned int mask) {}
#endif
#ifdef CONFIG_PXA3xx
extern unsigned pxa3xx_get_clk_frequency_khz(int);
extern unsigned pxa3xx_get_memclk_frequency_10khz(void);
extern void pxa3xx_clear_reset_status(unsigned int);
#else
#define pxa3xx_get_clk_frequency_khz(x) (0)
#define pxa3xx_get_memclk_frequency_10khz() (0)
static inline void pxa3xx_clear_reset_status(unsigned int mask) {}
#endif
extern struct sysdev_class pxa_irq_sysclass;