From 530ef3c2a92b3c6a9901ac7e04d1e6c0077a9f2d Mon Sep 17 00:00:00 2001 From: Ben Dooks Date: Sun, 22 Jul 2007 16:59:44 +0100 Subject: [ARM] 4521/2: S3C: Reorganise VA mapping headers Reorganise the definition of the virtual addresses used into a common header and update the users to rename S3C2410 items into a more common S3C defined macros. Signed-off-by: Ben Dooks Signed-off-by: Russell King --- include/asm-arm/plat-s3c/map.h | 40 ++++++++++++++++++++++++++++++++++++++++ 1 file changed, 40 insertions(+) create mode 100644 include/asm-arm/plat-s3c/map.h (limited to 'include/asm-arm/plat-s3c/map.h') diff --git a/include/asm-arm/plat-s3c/map.h b/include/asm-arm/plat-s3c/map.h new file mode 100644 index 00000000000..95a82b0e84a --- /dev/null +++ b/include/asm-arm/plat-s3c/map.h @@ -0,0 +1,40 @@ +/* linux/include/asm-arm/plat-s3c/map.h + * + * Copyright 2003, 2007 Simtec Electronics + * http://armlinux.simtec.co.uk/ + * Ben Dooks + * + * S3C - Memory map definitions (virtual addresses) + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. +*/ + +#ifndef __ASM_PLAT_MAP_H +#define __ASM_PLAT_MAP_H __FILE__ + +/* Fit all our registers in at 0xF4000000 upwards, trying to use as + * little of the VA space as possible so vmalloc and friends have a + * better chance of getting memory. + * + * we try to ensure stuff like the IRQ registers are available for + * an single MOVS instruction (ie, only 8 bits of set data) + */ + +#define S3C_ADDR_BASE (0xF4000000) + +#ifndef __ASSEMBLY__ +#define S3C_ADDR(x) ((void __iomem __force *)S3C_ADDR_BASE + (x)) +#else +#define S3C_ADDR(x) (S3C_ADDR_BASE + (x)) +#endif + +#define S3C_VA_IRQ S3C_ADDR(0x000000000) /* irq controller(s) */ +#define S3C_VA_SYS S3C_ADDR(0x001000000) /* system control */ +#define S3C_VA_MEM S3C_ADDR(0x002000000) /* system control */ +#define S3C_VA_TIMER S3C_ADDR(0x003000000) /* timer block */ +#define S3C_VA_WATCHDOG S3C_ADDR(0x004000000) /* watchdog */ +#define S3C_VA_UART S3C_ADDR(0x010000000) /* UART */ + +#endif /* __ASM_PLAT_MAP_H */ -- cgit v1.2.3-70-g09d2 From 9d84588bdb72b6ec9d891fbdaa4305023e16ee3a Mon Sep 17 00:00:00 2001 From: Krzysztof Helt Date: Sat, 18 Aug 2007 22:23:57 +0100 Subject: [ARM] 4551/1: s3c24xx: fix wrong virtual address offsets This patch reduces 36-bit offset to 32-bit offsets. The 36-bit offsets makes virtual addresses wraps when added to 32-bit base. Signed-off-by: Krzysztof Helt Acked-by: Ben Dooks Signed-off-by: Russell King --- include/asm-arm/plat-s3c/map.h | 12 ++++++------ 1 file changed, 6 insertions(+), 6 deletions(-) (limited to 'include/asm-arm/plat-s3c/map.h') diff --git a/include/asm-arm/plat-s3c/map.h b/include/asm-arm/plat-s3c/map.h index 95a82b0e84a..b84289d32a5 100644 --- a/include/asm-arm/plat-s3c/map.h +++ b/include/asm-arm/plat-s3c/map.h @@ -30,11 +30,11 @@ #define S3C_ADDR(x) (S3C_ADDR_BASE + (x)) #endif -#define S3C_VA_IRQ S3C_ADDR(0x000000000) /* irq controller(s) */ -#define S3C_VA_SYS S3C_ADDR(0x001000000) /* system control */ -#define S3C_VA_MEM S3C_ADDR(0x002000000) /* system control */ -#define S3C_VA_TIMER S3C_ADDR(0x003000000) /* timer block */ -#define S3C_VA_WATCHDOG S3C_ADDR(0x004000000) /* watchdog */ -#define S3C_VA_UART S3C_ADDR(0x010000000) /* UART */ +#define S3C_VA_IRQ S3C_ADDR(0x00000000) /* irq controller(s) */ +#define S3C_VA_SYS S3C_ADDR(0x00100000) /* system control */ +#define S3C_VA_MEM S3C_ADDR(0x00200000) /* system control */ +#define S3C_VA_TIMER S3C_ADDR(0x00300000) /* timer block */ +#define S3C_VA_WATCHDOG S3C_ADDR(0x00400000) /* watchdog */ +#define S3C_VA_UART S3C_ADDR(0x01000000) /* UART */ #endif /* __ASM_PLAT_MAP_H */ -- cgit v1.2.3-70-g09d2