diff options
Diffstat (limited to 'board/freescale/mpc8544ds/tlb.c')
-rw-r--r-- | board/freescale/mpc8544ds/tlb.c | 99 |
1 files changed, 99 insertions, 0 deletions
diff --git a/board/freescale/mpc8544ds/tlb.c b/board/freescale/mpc8544ds/tlb.c new file mode 100644 index 00000000000..34cfb38f0d6 --- /dev/null +++ b/board/freescale/mpc8544ds/tlb.c @@ -0,0 +1,99 @@ +/* + * Copyright 2008 Freescale Semiconductor, Inc. + * + * (C) Copyright 2000 + * Wolfgang Denk, DENX Software Engineering, wd@denx.de. + * + * See file CREDITS for list of people who contributed to this + * project. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + +#include <common.h> +#include <asm/mmu.h> + +struct fsl_e_tlb_entry tlb_table[] = { + /* TLB 0 - for temp stack in cache */ + SET_TLB_ENTRY(0, CFG_INIT_RAM_ADDR, CFG_INIT_RAM_ADDR, + MAS3_SX|MAS3_SW|MAS3_SR, 0, + 0, 0, BOOKE_PAGESZ_4K, 0), + SET_TLB_ENTRY(0, CFG_INIT_RAM_ADDR + 4 * 1024 , CFG_INIT_RAM_ADDR + 4 * 1024, + MAS3_SX|MAS3_SW|MAS3_SR, 0, + 0, 0, BOOKE_PAGESZ_4K, 0), + SET_TLB_ENTRY(0, CFG_INIT_RAM_ADDR + 8 * 1024 , CFG_INIT_RAM_ADDR + 8 * 1024, + MAS3_SX|MAS3_SW|MAS3_SR, 0, + 0, 0, BOOKE_PAGESZ_4K, 0), + SET_TLB_ENTRY(0, CFG_INIT_RAM_ADDR + 12 * 1024 , CFG_INIT_RAM_ADDR + 12 * 1024, + MAS3_SX|MAS3_SW|MAS3_SR, 0, + 0, 0, BOOKE_PAGESZ_4K, 0), + /* + * TLB 0: 64M Non-cacheable, guarded + * 0xfc000000 64M Covers FLASH at 0xFE800000 and 0xFF800000 + * Out of reset this entry is only 4K. + */ + SET_TLB_ENTRY(1, CFG_BOOT_BLOCK, CFG_BOOT_BLOCK, + MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G, + 0, 0, BOOKE_PAGESZ_64M, 1), + /* + * TLB 1: 1G Non-cacheable, guarded + * 0x80000000 1G PCIE 8,9,a,b + */ + SET_TLB_ENTRY(1, CFG_PCIE_PHYS, CFG_PCIE_PHYS, + MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G, + 0, 1, BOOKE_PAGESZ_1G, 1), + + /* + * TLB 2: 256M Non-cacheable, guarded + */ + SET_TLB_ENTRY(1, CFG_PCI_PHYS, CFG_PCI_PHYS, + MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G, + 0, 2, BOOKE_PAGESZ_256M, 1), + + /* + * TLB 3: 256M Non-cacheable, guarded + */ + SET_TLB_ENTRY(1, CFG_PCI_PHYS + 0x10000000, CFG_PCI_PHYS + 0x10000000, + MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G, + 0, 3, BOOKE_PAGESZ_256M, 1), + + /* + * TLB 4: 64M Non-cacheable, guarded + * 0xe000_0000 1M CCSRBAR + * 0xe100_0000 255M PCI IO range + */ + SET_TLB_ENTRY(1, CFG_CCSRBAR, CFG_CCSRBAR, + MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G, + 0, 4, BOOKE_PAGESZ_64M, 1), + +#ifdef CFG_LBC_CACHE_BASE + /* + * TLB 5: 64M Cacheable, non-guarded + */ + SET_TLB_ENTRY(1, CFG_LBC_CACHE_BASE, CFG_LBC_CACHE_BASE, + MAS3_SX|MAS3_SW|MAS3_SR, 0, + 0, 5, BOOKE_PAGESZ_64M, 1), +#endif + /* + * TLB 6: 64M Non-cacheable, guarded + * 0xf8000000 64M PIXIS 0xF8000000 - 0xFBFFFFFF + */ + SET_TLB_ENTRY(1, CFG_LBC_NONCACHE_BASE, CFG_LBC_NONCACHE_BASE, + MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G, + 0, 6, BOOKE_PAGESZ_64M, 1), +}; + +int num_tlb_entries = ARRAY_SIZE(tlb_table); |