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powerpc/fsl_booke: introduce map_mem_in_cams_addr 

Introduce this function so we can set both the physical and virtual
address for the map in cams. This will be used by the relocation code.

Signed-off-by: Kevin Hao <haokexin@gmail.com>
Signed-off-by: Scott Wood <scottwood@freescale.com>
This commit is contained in:
Kevin Hao 2013-12-24 15:12:09 +08:00 committed by Scott Wood
parent b27652dd21
commit 813125d833
1 changed files with 10 additions and 3 deletions
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13
arch/powerpc/mm/fsl_booke_mmu.c
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@ -171,11 +171,10 @@ unsigned long calc_cam_sz(unsigned long ram, unsigned long virt,
return 1UL << camsize;
}
unsigned long map_mem_in_cams(unsigned long ram, int max_cam_idx)
static unsigned long map_mem_in_cams_addr(phys_addr_t phys, unsigned long virt,
unsigned long ram, int max_cam_idx)
{
int i;
unsigned long virt = PAGE_OFFSET;
phys_addr_t phys = memstart_addr;
unsigned long amount_mapped = 0;
/* Calculate CAM values */
@ -195,6 +194,14 @@ unsigned long map_mem_in_cams(unsigned long ram, int max_cam_idx)
return amount_mapped;
}
unsigned long map_mem_in_cams(unsigned long ram, int max_cam_idx)
{
unsigned long virt = PAGE_OFFSET;
phys_addr_t phys = memstart_addr;
return map_mem_in_cams_addr(phys, virt, ram, max_cam_idx);
}
#ifdef CONFIG_PPC32
#if defined(CONFIG_LOWMEM_CAM_NUM_BOOL) && (CONFIG_LOWMEM_CAM_NUM >= NUM_TLBCAMS)