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Diffstat (limited to 'board/sbc8560/tlb.c')
-rw-r--r-- | board/sbc8560/tlb.c | 65 |
1 files changed, 65 insertions, 0 deletions
diff --git a/board/sbc8560/tlb.c b/board/sbc8560/tlb.c new file mode 100644 index 0000000..155ff64 --- /dev/null +++ b/board/sbc8560/tlb.c @@ -0,0 +1,65 @@ +/* + * 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 for CCSRBAR (IMMR) */ + SET_TLB_ENTRY(1, CFG_CCSRBAR, CFG_CCSRBAR, + MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G, + 0, 1, BOOKE_PAGESZ_1M, 1), + +/* TLB for Local Bus stuff, just map the whole 512M */ +/* note that the LBC SDRAM is cache-inhibit and guarded, like everything else */ + + SET_TLB_ENTRY(1, 0xe0000000, 0xe0000000, + MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G, + 0, 2, BOOKE_PAGESZ_256M, 1), + + SET_TLB_ENTRY(1, 0xf0000000, 0xf0000000, + MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G, + 0, 3, BOOKE_PAGESZ_256M, 1), + +#if !defined(CONFIG_SPD_EEPROM) + SET_TLB_ENTRY(1, CFG_DDR_SDRAM_BASE, CFG_DDR_SDRAM_BASE, + MAS3_SX|MAS3_SW|MAS3_SR, 0, + 0, 4, BOOKE_PAGESZ_256M, 1), + + SET_TLB_ENTRY(1, CFG_DDR_SDRAM_BASE + 0x10000000, CFG_DDR_SDRAM_BASE + 0x10000000, + MAS3_SX|MAS3_SW|MAS3_SR, 0, + 0, 5, BOOKE_PAGESZ_256M, 1), +#endif + + SET_TLB_ENTRY(1, CFG_INIT_RAM_ADDR, CFG_INIT_RAM_ADDR, + MAS3_SX|MAS3_SW|MAS3_SR, 0, + 0, 6, BOOKE_PAGESZ_16K, 1), + + SET_TLB_ENTRY(1, CFG_PCI_MEM_PHYS, CFG_PCI_MEM_PHYS, + MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G, + 0, 7, BOOKE_PAGESZ_256M, 1), +}; + +int num_tlb_entries = ARRAY_SIZE(tlb_table); |