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[ARM] 4818/1: RealView: Add core-tile detection

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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>
This commit is contained in:
Catalin Marinas
2008-02-04 17:39:00 +01:00
committed by Russell King
parent 0fc2a1616f
commit 7dd19e755d
3 changed files with 80 additions and 44 deletions
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19
include/asm-arm/arch-realview/board-eb.h
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@@ -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 */