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| author | Catalin Marinas <catalin.marinas@arm.com> | 2008-02-04 17:39:00 +0100 |
|---|---|---|
| committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2008-02-04 17:52:24 +0000 |
| commit | 7dd19e755dbe481ae42590dbd921dfd47e94779c (patch) | |
| tree | 66056a17aa12457f8b5f91995fe774958a1d3534 /include/asm-arm | |
| parent | 0fc2a1616f37175ff0cf54b99e9b76f7717a3f10 (diff) | |
| download | kernel_samsung_crespo-7dd19e755dbe481ae42590dbd921dfd47e94779c.zip kernel_samsung_crespo-7dd19e755dbe481ae42590dbd921dfd47e94779c.tar.gz kernel_samsung_crespo-7dd19e755dbe481ae42590dbd921dfd47e94779c.tar.bz2 | |
[ARM] 4818/1: RealView: Add core-tile detection
This patch adds the core-tile detection and only enables devices if the
corresponding tile is present. It currently detects the ARM11MPCore via
the core_tile_eb11mp() macro.
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Diffstat (limited to 'include/asm-arm')
| -rw-r--r-- | include/asm-arm/arch-realview/board-eb.h | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/include/asm-arm/arch-realview/board-eb.h b/include/asm-arm/arch-realview/board-eb.h index 943efc5..9e76b23 100644 --- a/include/asm-arm/arch-realview/board-eb.h +++ b/include/asm-arm/arch-realview/board-eb.h @@ -149,4 +149,23 @@ #define MAX_GIC_NR NR_GIC_EB11MP #endif +/* + * Core tile identification (REALVIEW_SYS_PROCID) + */ +#define REALVIEW_EB_PROC_MASK 0xFF000000 +#define REALVIEW_EB_PROC_ARM7TDMI 0x00000000 +#define REALVIEW_EB_PROC_ARM9 0x02000000 +#define REALVIEW_EB_PROC_ARM11 0x04000000 +#define REALVIEW_EB_PROC_ARM11MP 0x06000000 + +#define check_eb_proc(proc_type) \ + ((readl(__io_address(REALVIEW_SYS_PROCID)) & REALVIEW_EB_PROC_MASK) \ + == proc_type) + +#ifdef CONFIG_REALVIEW_MPCORE +#define core_tile_eb11mp() check_eb_proc(REALVIEW_EB_PROC_ARM11MP) +#else +#define core_tile_eb11mp() 0 +#endif + #endif /* __ASM_ARCH_BOARD_EB_H */ |