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Change DDR tlb start entry to CONFIG param for 85xx

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So that we can locate the DDR tlb start entry to the value other than 8. By
default, it is still 8.

Signed-off-by: Haiying Wang <Haiying.Wang@freescale.com>
This commit is contained in:
Haiying Wang 2009-01-13 16:29:22 -05:00 committed by Andrew Fleming-AFLEMING
parent 6d3a10f73e
commit 950264317e
1 changed files with 5 additions and 1 deletions
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6
cpu/mpc85xx/tlb.c
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@ -125,6 +125,10 @@ void init_addr_map(void)
}
#endif
#ifndef CONFIG_SYS_DDR_TLB_START
#define CONFIG_SYS_DDR_TLB_START 8
#endif
unsigned int setup_ddr_tlbs(unsigned int memsize_in_meg)
{
unsigned int tlb_size;
@ -171,7 +175,7 @@ unsigned int setup_ddr_tlbs(unsigned int memsize_in_meg)
* Configure DDR TLB1 entries.
* Starting at TLB1 8, use no more than 8 TLB1 entries.
*/
ram_tlb_index = 8;
ram_tlb_index = CONFIG_SYS_DDR_TLB_START;
ram_tlb_address = (unsigned int)CONFIG_SYS_DDR_SDRAM_BASE;
while (ram_tlb_address < (memsize_in_meg * 1024 * 1024)
&& ram_tlb_index < 16) {