diff options
Diffstat (limited to 'arch/arm/common/sharpsl_param.c')
| -rw-r--r-- | arch/arm/common/sharpsl_param.c | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/arch/arm/common/sharpsl_param.c b/arch/arm/common/sharpsl_param.c index c94864c5b1a..025f6ce3859 100644 --- a/arch/arm/common/sharpsl_param.c +++ b/arch/arm/common/sharpsl_param.c @@ -12,20 +12,24 @@ */ #include <linux/kernel.h> +#include <linux/module.h> #include <linux/string.h> #include <asm/mach/sharpsl_param.h> +#include <asm/memory.h> /* * Certain hardware parameters determined at the time of device manufacture, * typically including LCD parameters are loaded by the bootloader at the * address PARAM_BASE. As the kernel will overwrite them, we need to store * them early in the boot process, then pass them to the appropriate drivers. - * Not all devices use all paramaters but the format is common to all. + * Not all devices use all parameters but the format is common to all. */ #ifdef CONFIG_ARCH_SA1100 #define PARAM_BASE 0xe8ffc000 +#define param_start(x) (void *)(x) #else #define PARAM_BASE 0xa0000a00 +#define param_start(x) __va(x) #endif #define MAGIC_CHG(a,b,c,d) ( ( d << 24 ) | ( c << 16 ) | ( b << 8 ) | a ) @@ -36,10 +40,11 @@ #define PHAD_MAGIC MAGIC_CHG('P','H','A','D') struct sharpsl_param_info sharpsl_param; +EXPORT_SYMBOL(sharpsl_param); void sharpsl_save_param(void) { - memcpy(&sharpsl_param, (void *)PARAM_BASE, sizeof(struct sharpsl_param_info)); + memcpy(&sharpsl_param, param_start(PARAM_BASE), sizeof(struct sharpsl_param_info)); if (sharpsl_param.comadj_keyword != COMADJ_MAGIC) sharpsl_param.comadj=-1; |