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Diffstat (limited to 'board/freescale/p2020come/tlb.c')
-rw-r--r-- | board/freescale/p2020come/tlb.c | 99 |
1 files changed, 99 insertions, 0 deletions
diff --git a/board/freescale/p2020come/tlb.c b/board/freescale/p2020come/tlb.c new file mode 100644 index 0000000..d787ac3 --- /dev/null +++ b/board/freescale/p2020come/tlb.c @@ -0,0 +1,99 @@ +/* + * 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 <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_PHYS, + 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_PHYS + 4 * 1024, + 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_PHYS + 8 * 1024, + 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_PHYS + 12 * 1024, + MAS3_SW|MAS3_SR, 0, + 0, 0, BOOKE_PAGESZ_4K, 0), + + /* TLB 1 */ + /* *I*** - Covers boot page */ + 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 */ + SET_TLB_ENTRY(1, CONFIG_SYS_CCSRBAR, CONFIG_SYS_CCSRBAR_PHYS, + MAS3_SW|MAS3_SR, MAS2_I|MAS2_G, + 0, 1, BOOKE_PAGESZ_1M, 1), + +#if defined(CONFIG_PCI) + /* *I*G* - PCI3 - PCI2 0x8000,0000 - 0xbfff,ffff, size = 1G */ + SET_TLB_ENTRY(1, CONFIG_SYS_PCIE3_MEM_VIRT, CONFIG_SYS_PCIE3_MEM_PHYS, + MAS3_SW|MAS3_SR, MAS2_I|MAS2_G, + 0, 2, BOOKE_PAGESZ_1G, 1), + + /* *I*G* - PCI1 0xC000,0000 - 0xcfff,ffff, size = 256M */ + SET_TLB_ENTRY(1, CONFIG_SYS_PCIE1_MEM_VIRT, CONFIG_SYS_PCIE1_MEM_VIRT, + MAS3_SW|MAS3_SR, MAS2_I|MAS2_G, + 0, 3, BOOKE_PAGESZ_256M, 1), + + /* *I*G* - PCI1 0xD000,0000 - 0xDFFF,FFFF, size = 256M */ + SET_TLB_ENTRY(1, CONFIG_SYS_PCIE1_MEM_VIRT + 0x10000000, + CONFIG_SYS_PCIE1_MEM_PHYS + 0x10000000, + MAS3_SW|MAS3_SR, MAS2_I|MAS2_G, + 0, 4, BOOKE_PAGESZ_256M, 1), + + /* + * *I*G* - PCI I/O + * + * PCI3 => 0xFFC10000 + * PCI2 => 0xFFC2,0000 + * PCI1 => 0xFFC3,0000 + */ + SET_TLB_ENTRY(1, CONFIG_SYS_PCIE3_IO_VIRT, CONFIG_SYS_PCIE3_IO_PHYS, + MAS3_SW|MAS3_SR, MAS2_I|MAS2_G, + 0, 5, BOOKE_PAGESZ_256K, 1), +#endif /* #if defined(CONFIG_PCI) */ + +#if defined(CONFIG_SYS_RAMBOOT) && defined(CONFIG_SYS_INIT_L2_ADDR) + /* *I*G - DDR3 2G Part 1: 0 - 0x3fff,ffff , size = 1G */ + SET_TLB_ENTRY(1, CONFIG_SYS_INIT_L2_ADDR, CONFIG_SYS_INIT_L2_ADDR_PHYS, + MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G, + 0, 6, BOOKE_PAGESZ_256K, 1), + + /* DDR3 2G Part 2: 0x4000,0000 - 0x7fff,ffff , size = 1G */ + SET_TLB_ENTRY(1, CONFIG_SYS_INIT_L2_ADDR + 0x40000, + CONFIG_SYS_INIT_L2_ADDR_PHYS + 0x40000, + MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G, + 0, 7, BOOKE_PAGESZ_256K, 1), +#endif +}; + +int num_tlb_entries = ARRAY_SIZE(tlb_table); |