diff options
Diffstat (limited to 'arch/sh/include/asm/fixmap.h')
| -rw-r--r-- | arch/sh/include/asm/fixmap.h | 15 |
1 files changed, 14 insertions, 1 deletions
diff --git a/arch/sh/include/asm/fixmap.h b/arch/sh/include/asm/fixmap.h index 5ac1e40a511..6e7cea45389 100644 --- a/arch/sh/include/asm/fixmap.h +++ b/arch/sh/include/asm/fixmap.h @@ -55,16 +55,29 @@ enum fixed_addresses { #define FIX_N_COLOURS 8 FIX_CMAP_BEGIN, FIX_CMAP_END = FIX_CMAP_BEGIN + (FIX_N_COLOURS * NR_CPUS) - 1, - FIX_UNCACHED, + #ifdef CONFIG_HIGHMEM FIX_KMAP_BEGIN, /* reserved pte's for temporary kernel mappings */ FIX_KMAP_END = FIX_KMAP_BEGIN+(KM_TYPE_NR*NR_CPUS)-1, #endif + +#ifdef CONFIG_IOREMAP_FIXED + /* + * FIX_IOREMAP entries are useful for mapping physical address + * space before ioremap() is useable, e.g. really early in boot + * before kmalloc() is working. + */ +#define FIX_N_IOREMAPS 32 + FIX_IOREMAP_BEGIN, + FIX_IOREMAP_END = FIX_IOREMAP_BEGIN + FIX_N_IOREMAPS, +#endif + __end_of_fixed_addresses }; extern void __set_fixmap(enum fixed_addresses idx, unsigned long phys, pgprot_t flags); +extern void __clear_fixmap(enum fixed_addresses idx, pgprot_t flags); #define set_fixmap(idx, phys) \ __set_fixmap(idx, phys, PAGE_KERNEL) |