AcoSail/kernel_optimize_test
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ARM: provide an early platform initialization hook

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This allows platforms to hook into the initialization early to setup
things like scheduler clocks, etc.

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
This commit is contained in:
Russell King 2010-12-16 13:49:34 +00:00
parent 8ff1443c54
commit dec12e62c0
2 changed files with 4 additions and 0 deletions
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1
arch/arm/include/asm/mach/arch.h
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@ -37,6 +37,7 @@ struct machine_desc {
struct meminfo *);
void (*reserve)(void);/* reserve mem blocks */
void (*map_io)(void);/* IO mapping function */
void (*init_early)(void);
void (*init_irq)(void);
struct sys_timer *timer; /* system tick timer */
void (*init_machine)(void);

3
arch/arm/kernel/setup.c
View File

@ -880,6 +880,9 @@ void __init setup_arch(char **cmdline_p)
#endif
#endif
early_trap_init();
if (mdesc->init_early)
mdesc->init_early();
}