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MIPS: Add a platform hook for swiotlb setup. 

This allows platforms that are using the swiotlb to initialize it.

Signed-off-by: David Daney <ddaney@caviumnetworks.com>
Patchwork: http://patchwork.linux-mips.org/patch/1638/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
This commit is contained in:
David Daney 2010-10-01 13:27:33 -07:00 committed by Ralf Baechle
parent 48e1fd5a81
commit ee71b7d2f8
2 changed files with 13 additions and 0 deletions
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12
arch/mips/include/asm/bootinfo.h
View File

@ -125,4 +125,16 @@ extern unsigned long fw_arg0, fw_arg1, fw_arg2, fw_arg3;
*/ */
extern void plat_mem_setup(void); extern void plat_mem_setup(void);
#ifdef CONFIG_SWIOTLB
/*
* Optional platform hook to call swiotlb_setup().
*/
extern void plat_swiotlb_setup(void);
#else
static inline void plat_swiotlb_setup(void) {}
#endif /* CONFIG_SWIOTLB */
#endif /* _ASM_BOOTINFO_H */ #endif /* _ASM_BOOTINFO_H */

1
arch/mips/kernel/setup.c
View File

@ -490,6 +490,7 @@ static void __init arch_mem_init(char **cmdline_p)
bootmem_init(); bootmem_init();
device_tree_init(); device_tree_init();
sparse_init(); sparse_init();
plat_swiotlb_setup();
paging_init(); paging_init();
} }