diff options
| -rw-r--r-- | arch/mips/Makefile | 2 | ||||
| -rw-r--r-- | include/asm-mips/io.h | 8 | ||||
| -rw-r--r-- | include/asm-mips/mach-au1x00/ioremap.h | 11 | ||||
| -rw-r--r-- | include/asm-mips/mach-generic/ioremap.h | 11 | ||||
| -rw-r--r-- | include/asm-mips/mach-jmr3927/ioremap.h | 38 | ||||
| -rw-r--r-- | include/asm-mips/mach-tx49xx/ioremap.h | 42 |
6 files changed, 112 insertions, 0 deletions
diff --git a/arch/mips/Makefile b/arch/mips/Makefile index 2b9af2f..96d4abb 100644 --- a/arch/mips/Makefile +++ b/arch/mips/Makefile @@ -580,6 +580,7 @@ load-$(CONFIG_TOSHIBA_JMR3927) += 0xffffffff80050000 # core-$(CONFIG_TOSHIBA_RBTX4927) += arch/mips/tx4927/toshiba_rbtx4927/ core-$(CONFIG_TOSHIBA_RBTX4927) += arch/mips/tx4927/common/ +cflags-$(CONFIG_TOSHIBA_RBTX4927) += -Iinclude/asm-mips/mach-tx49xx load-$(CONFIG_TOSHIBA_RBTX4927) += 0xffffffff80020000 # @@ -587,6 +588,7 @@ load-$(CONFIG_TOSHIBA_RBTX4927) += 0xffffffff80020000 # core-$(CONFIG_TOSHIBA_RBTX4938) += arch/mips/tx4938/toshiba_rbtx4938/ core-$(CONFIG_TOSHIBA_RBTX4938) += arch/mips/tx4938/common/ +cflags-$(CONFIG_TOSHIBA_RBTX4938) += -Iinclude/asm-mips/mach-tx49xx load-$(CONFIG_TOSHIBA_RBTX4938) += 0xffffffff80100000 cflags-y += -Iinclude/asm-mips/mach-generic diff --git a/include/asm-mips/io.h b/include/asm-mips/io.h index 92ec261..12bcc1f 100644 --- a/include/asm-mips/io.h +++ b/include/asm-mips/io.h @@ -178,6 +178,11 @@ extern void __iounmap(const volatile void __iomem *addr); static inline void __iomem * __ioremap_mode(phys_t offset, unsigned long size, unsigned long flags) { + void __iomem *addr = plat_ioremap(offset, size, flags); + + if (addr) + return addr; + #define __IS_LOW512(addr) (!((phys_t)(addr) & (phys_t) ~0x1fffffffULL)) if (cpu_has_64bit_addresses) { @@ -282,6 +287,9 @@ static inline void __iomem * __ioremap_mode(phys_t offset, unsigned long size, static inline void iounmap(const volatile void __iomem *addr) { + if (plat_iounmap(addr)) + return; + #define __IS_KSEG1(addr) (((unsigned long)(addr) & ~0x1fffffffUL) == CKSEG1) if (cpu_has_64bit_addresses || diff --git a/include/asm-mips/mach-au1x00/ioremap.h b/include/asm-mips/mach-au1x00/ioremap.h index 098fca4..364cea2 100644 --- a/include/asm-mips/mach-au1x00/ioremap.h +++ b/include/asm-mips/mach-au1x00/ioremap.h @@ -28,4 +28,15 @@ static inline phys_t fixup_bigphys_addr(phys_t phys_addr, phys_t size) return __fixup_bigphys_addr(phys_addr, size); } +static inline void __iomem *plat_ioremap(phys_t offset, unsigned long size, + unsigned long flags) +{ + return NULL; +} + +static inline int plat_iounmap(const volatile void __iomem *addr) +{ + return 0; +} + #endif /* __ASM_MACH_AU1X00_IOREMAP_H */ diff --git a/include/asm-mips/mach-generic/ioremap.h b/include/asm-mips/mach-generic/ioremap.h index 9b64ff6..b379938 100644 --- a/include/asm-mips/mach-generic/ioremap.h +++ b/include/asm-mips/mach-generic/ioremap.h @@ -20,4 +20,15 @@ static inline phys_t fixup_bigphys_addr(phys_t phys_addr, phys_t size) return phys_addr; } +static inline void __iomem *plat_ioremap(phys_t offset, unsigned long size, + unsigned long flags) +{ + return NULL; +} + +static inline int plat_iounmap(const volatile void __iomem *addr) +{ + return 0; +} + #endif /* __ASM_MACH_GENERIC_IOREMAP_H */ diff --git a/include/asm-mips/mach-jmr3927/ioremap.h b/include/asm-mips/mach-jmr3927/ioremap.h new file mode 100644 index 0000000..aa131ad --- /dev/null +++ b/include/asm-mips/mach-jmr3927/ioremap.h @@ -0,0 +1,38 @@ +/* + * include/asm-mips/mach-jmr3927/ioremap.h + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version + * 2 of the License, or (at your option) any later version. + */ +#ifndef __ASM_MACH_JMR3927_IOREMAP_H +#define __ASM_MACH_JMR3927_IOREMAP_H + +#include <linux/types.h> + +/* + * Allow physical addresses to be fixed up to help peripherals located + * outside the low 32-bit range -- generic pass-through version. + */ +static inline phys_t fixup_bigphys_addr(phys_t phys_addr, phys_t size) +{ + return phys_addr; +} + +static inline void __iomem *plat_ioremap(phys_t offset, unsigned long size, + unsigned long flags) +{ +#define TXX9_DIRECTMAP_BASE 0xff000000ul + if (offset >= TXX9_DIRECTMAP_BASE && + offset < TXX9_DIRECTMAP_BASE + 0xf0000) + return (void __iomem *)offset; + return NULL; +} + +static inline int plat_iounmap(const volatile void __iomem *addr) +{ + return (unsigned long)addr >= TXX9_DIRECTMAP_BASE; +} + +#endif /* __ASM_MACH_JMR3927_IOREMAP_H */ diff --git a/include/asm-mips/mach-tx49xx/ioremap.h b/include/asm-mips/mach-tx49xx/ioremap.h new file mode 100644 index 0000000..88cf546 --- /dev/null +++ b/include/asm-mips/mach-tx49xx/ioremap.h @@ -0,0 +1,42 @@ +/* + * include/asm-mips/mach-tx49xx/ioremap.h + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version + * 2 of the License, or (at your option) any later version. + */ +#ifndef __ASM_MACH_TX49XX_IOREMAP_H +#define __ASM_MACH_TX49XX_IOREMAP_H + +#include <linux/types.h> + +/* + * Allow physical addresses to be fixed up to help peripherals located + * outside the low 32-bit range -- generic pass-through version. + */ +static inline phys_t fixup_bigphys_addr(phys_t phys_addr, phys_t size) +{ + return phys_addr; +} + +static inline void __iomem *plat_ioremap(phys_t offset, unsigned long size, + unsigned long flags) +{ +#ifdef CONFIG_64BIT +#define TXX9_DIRECTMAP_BASE 0xfff000000ul +#else +#define TXX9_DIRECTMAP_BASE 0xff000000ul +#endif + if (offset >= TXX9_DIRECTMAP_BASE && + offset < TXX9_DIRECTMAP_BASE + 0x400000) + return (void __iomem *)(unsigned long)(int)offset; + return NULL; +} + +static inline int plat_iounmap(const volatile void __iomem *addr) +{ + return (unsigned long)addr >= (unsigned long)(int)TXX9_DIRECTMAP_BASE; +} + +#endif /* __ASM_MACH_TX49XX_IOREMAP_H */ |