diff options
Diffstat (limited to 'arch/ppc/boards/freescale-p2020rdb/tlb.c')
-rw-r--r-- | arch/ppc/boards/freescale-p2020rdb/tlb.c | 62 |
1 files changed, 62 insertions, 0 deletions
diff --git a/arch/ppc/boards/freescale-p2020rdb/tlb.c b/arch/ppc/boards/freescale-p2020rdb/tlb.c new file mode 100644 index 000000000..5f3b4a7ec --- /dev/null +++ b/arch/ppc/boards/freescale-p2020rdb/tlb.c @@ -0,0 +1,62 @@ +/* + * Copyright 2011 Freescale Semiconductor, Inc. + * + * 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 <mach/mmu.h> + +struct fsl_e_tlb_entry tlb_table[] = { + /* TLB 0 - for temp stack in cache */ + FSL_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), + FSL_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), + FSL_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), + FSL_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 1 */ + /* *I*** - Covers boot page */ + FSL_SET_TLB_ENTRY(1, 0xfffff000, 0xfffff000, + MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G, + 0, 0, BOOKE_PAGESZ_4K, 1), + + /* *I*G* - CCSRBAR */ + FSL_SET_TLB_ENTRY(1, CFG_CCSRBAR, CFG_CCSRBAR_PHYS, + MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G, + 0, 1, BOOKE_PAGESZ_1M, 1), + + /* W**G* - Flash/promjet, localbus */ + /* This will be changed to *I*G* after relocation to RAM. */ + FSL_SET_TLB_ENTRY(1, CFG_FLASH_BASE, CFG_FLASH_BASE_PHYS, + MAS3_SX|MAS3_SR, MAS2_W|MAS2_G, + 0, 2, BOOKE_PAGESZ_16M, 1), +}; + +int num_tlb_entries = ARRAY_SIZE(tlb_table); |