diff options
Diffstat (limited to 'board')
| -rw-r--r-- | board/sbc8548/tlb.c | 28 |
1 files changed, 24 insertions, 4 deletions
diff --git a/board/sbc8548/tlb.c b/board/sbc8548/tlb.c index ddcb532..a0b4e36 100644 --- a/board/sbc8548/tlb.c +++ b/board/sbc8548/tlb.c @@ -45,13 +45,15 @@ struct fsl_e_tlb_entry tlb_table[] = { 0, 0, BOOKE_PAGESZ_4K, 0), /* - * TLB 0: 16M Non-cacheable, guarded - * 0xff800000 16M TLB for 8MB FLASH + * TLB 0: 64M Non-cacheable, guarded + * 0xfc000000 56M 8MB -> 64MB of user flash + * 0xff800000 8M boot FLASH * Out of reset this entry is only 4K. */ - SET_TLB_ENTRY(1, CONFIG_SYS_FLASH_BASE, CONFIG_SYS_FLASH_BASE, + SET_TLB_ENTRY(1, CONFIG_SYS_ALT_FLASH + 0x800000, + CONFIG_SYS_ALT_FLASH + 0x800000, MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G, - 0, 0, BOOKE_PAGESZ_16M, 1), + 0, 0, BOOKE_PAGESZ_64M, 1), /* * TLB 1: 256M Non-cacheable, guarded @@ -107,6 +109,24 @@ struct fsl_e_tlb_entry tlb_table[] = { SET_TLB_ENTRY(1, CONFIG_SYS_EPLD_BASE, CONFIG_SYS_EPLD_BASE, MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G, 0, 6, BOOKE_PAGESZ_16M, 1), + + /* + * TLB 7: 4M Non-cacheable, guarded + * 0xfb800000 4M 1st 4MB block of 64MB user FLASH + */ + SET_TLB_ENTRY(1, CONFIG_SYS_ALT_FLASH, CONFIG_SYS_ALT_FLASH, + MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G, + 0, 7, BOOKE_PAGESZ_4M, 1), + + /* + * TLB 8: 4M Non-cacheable, guarded + * 0xfbc00000 4M 2nd 4MB block of 64MB user FLASH + */ + SET_TLB_ENTRY(1, CONFIG_SYS_ALT_FLASH + 0x400000, + CONFIG_SYS_ALT_FLASH + 0x400000, + MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G, + 0, 8, BOOKE_PAGESZ_4M, 1), + }; int num_tlb_entries = ARRAY_SIZE(tlb_table); |