diff options
Diffstat (limited to 'arch/arm/include/asm/arch-pxa/hardware.h')
| -rw-r--r-- | arch/arm/include/asm/arch-pxa/hardware.h | 61 |
1 files changed, 13 insertions, 48 deletions
diff --git a/arch/arm/include/asm/arch-pxa/hardware.h b/arch/arm/include/asm/arch-pxa/hardware.h index c8c479a..44b800f 100644 --- a/arch/arm/include/asm/arch-pxa/hardware.h +++ b/arch/arm/include/asm/arch-pxa/hardware.h @@ -21,6 +21,19 @@ #include <linux/config.h> #include <asm/mach-types.h> +/* + * Define CONFIG_CPU_MONAHANS in case some CPU of the PXA3xx family is selected. + * PXA300/310/320 all have distinct register mappings in some cases, that's why + * the exact CPU has to be selected. CONFIG_CPU_MONAHANS is a helper for common + * drivers and compatibility glue with old source then. + */ +#ifndef CONFIG_CPU_MONAHANS +#if defined(CONFIG_CPU_PXA300) || \ + defined(CONFIG_CPU_PXA310) || \ + defined(CONFIG_CPU_PXA320) +#define CONFIG_CPU_MONAHANS +#endif +#endif /* * These are statically mapped PCMCIA IO space for designs using it as a @@ -51,54 +64,6 @@ * 0x48000000 - 0x49ffffff <--> 0xfc000000 - 0xfdffffff */ -/* FIXME: Only this does work for u-boot... find out why... [RS] */ -#define UBOOT_REG_FIX 1 - -#ifndef UBOOT_REG_FIX -#ifndef __ASSEMBLY__ - -#define io_p2v(x) ( ((x) | 0xbe000000) ^ (~((x) >> 1) & 0x06000000) ) -#define io_v2p( x ) ( ((x) & 0x41ffffff) ^ ( ((x) & 0x06000000) << 1) ) - -/* - * This __REG() version gives the same results as the one above, except - * that we are fooling gcc somehow so it generates far better and smaller - * assembly code for access to contigous registers. It's a shame that gcc - * doesn't guess this by itself. - */ -#include <asm/types.h> -typedef struct { volatile u32 offset[4096]; } __regbase; -# define __REGP(x) ((__regbase *)((x)&~4095))->offset[((x)&4095)>>2] -# define __REG(x) __REGP(io_p2v(x)) -#endif - -/* Let's kick gcc's ass again... */ -# define __REG2(x,y) \ - ( __builtin_constant_p(y) ? (__REG((x) + (y))) \ - : (*(volatile u32 *)((u32)&__REG(x) + (y))) ) - -# define __PREG(x) (io_v2p((u32)&(x))) - -#else - -# define __REG(x) io_p2v(x) -# define __PREG(x) io_v2p(x) - -# undef io_p2v -# undef __REG -# ifndef __ASSEMBLY__ -# define io_p2v(PhAdd) (PhAdd) -# define __REG(x) (*((volatile u32 *)io_p2v(x))) -# define __REG2(x,y) (*(volatile u32 *)((u32)&__REG(x) + (y))) -# else -# define __REG(x) (x) -# ifdef CONFIG_CPU_MONAHANS /* Hack to make this work with mona's pxa-regs.h */ -# define __REG_2(x) (x) -# define __REG_3(x) (x) -# endif -# endif -#endif /* UBOOT_REG_FIX */ - #include "pxa-regs.h" #ifndef __ASSEMBLY__ |