diff options
Diffstat (limited to 'board/mercury/mpq101/tlb.c')
| -rw-r--r-- | board/mercury/mpq101/tlb.c | 82 | 
1 files changed, 82 insertions, 0 deletions
| diff --git a/board/mercury/mpq101/tlb.c b/board/mercury/mpq101/tlb.c new file mode 100644 index 000000000..fd2eaec48 --- /dev/null +++ b/board/mercury/mpq101/tlb.c @@ -0,0 +1,82 @@ +/* + * (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, CONFIG_SYS_INIT_RAM_ADDR, CONFIG_SYS_INIT_RAM_ADDR, +		      MAS3_SX|MAS3_SW|MAS3_SR, 0, +		      0, 0, BOOKE_PAGESZ_4K, 0), +	SET_TLB_ENTRY(0, CONFIG_SYS_INIT_RAM_ADDR + 4 * 1024, +		      CONFIG_SYS_INIT_RAM_ADDR + 4 * 1024, +		      MAS3_SX|MAS3_SW|MAS3_SR, 0, +		      0, 0, BOOKE_PAGESZ_4K, 0), +	SET_TLB_ENTRY(0, CONFIG_SYS_INIT_RAM_ADDR + 8 * 1024, +		      CONFIG_SYS_INIT_RAM_ADDR + 8 * 1024, +		      MAS3_SX|MAS3_SW|MAS3_SR, 0, +		      0, 0, BOOKE_PAGESZ_4K, 0), +	SET_TLB_ENTRY(0, CONFIG_SYS_INIT_RAM_ADDR + 12 * 1024, +		      CONFIG_SYS_INIT_RAM_ADDR + 12 * 1024, +		      MAS3_SX|MAS3_SW|MAS3_SR, 0, +		      0, 0, BOOKE_PAGESZ_4K, 0), + +	/* +	 * TLB 0:	256M	Non-cacheable, guarded +	 * 0xf0000000	256M	LBC (FLASH included) +	 * Out of reset this entry is only 4K. +	 */ +	SET_TLB_ENTRY(1, CONFIG_SYS_LBC_OPTION_BASE, +		      CONFIG_SYS_LBC_OPTION_BASE_PHYS, +		      MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G, +		      0, 0, BOOKE_PAGESZ_256M, 1), + +	/* +	 * TLB 1:	1M	Non-cacheable, guarded +	 * 0xe000_0000	1M	CCSRBAR +	 */ +	SET_TLB_ENTRY(1, CONFIG_SYS_CCSRBAR, CONFIG_SYS_CCSRBAR_PHYS, +		      MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G, +		      0, 1, BOOKE_PAGESZ_1M, 1), + +#ifdef CONFIG_SYS_SRIO1_MEM_PHYS +	/* +	 * TLB 2:       256M    Non-cacheable, guarded +	 */ +	SET_TLB_ENTRY(1, CONFIG_SYS_SRIO1_MEM_VIRT, CONFIG_SYS_SRIO1_MEM_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, CONFIG_SYS_SRIO1_MEM_VIRT + 0x10000000, +		      CONFIG_SYS_SRIO1_MEM_PHYS + 0x10000000, +		      MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G, +		      0, 3, BOOKE_PAGESZ_256M, 1), + +#endif +}; + +int num_tlb_entries = ARRAY_SIZE(tlb_table); |