diff options
Diffstat (limited to 'board/freescale/b4860qds/tlb.c')
| -rw-r--r-- | board/freescale/b4860qds/tlb.c | 127 |
1 files changed, 127 insertions, 0 deletions
diff --git a/board/freescale/b4860qds/tlb.c b/board/freescale/b4860qds/tlb.c new file mode 100644 index 0000000000..373cb7848c --- /dev/null +++ b/board/freescale/b4860qds/tlb.c @@ -0,0 +1,127 @@ +/* + * Copyright 2011-2012 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_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_PHYS + 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_PHYS + 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_PHYS + 12 * 1024, + MAS3_SX|MAS3_SW|MAS3_SR, 0, + 0, 0, BOOKE_PAGESZ_4K, 0), + + /* TLB 1 */ + /* *I*** - Covers boot page */ +#if defined(CONFIG_SYS_RAMBOOT) && defined(CONFIG_SYS_INIT_L3_ADDR) + /* + * *I*G - L3SRAM. When L3 is used as 1M SRAM, the address of the + * SRAM is at 0xfff00000, it covered the 0xfffff000. + */ + SET_TLB_ENTRY(1, CONFIG_SYS_INIT_L3_ADDR, CONFIG_SYS_INIT_L3_ADDR, + MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G, + 0, 0, BOOKE_PAGESZ_1M, 1), +#else + SET_TLB_ENTRY(1, 0xfffff000, 0xfffff000, + MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G, + 0, 0, BOOKE_PAGESZ_4K, 1), +#endif + + /* *I*G* - 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_16M, 1), + + /* *I*G* - Flash, localbus */ + /* This will be changed to *I*G* after relocation to RAM. */ + SET_TLB_ENTRY(1, CONFIG_SYS_FLASH_BASE, CONFIG_SYS_FLASH_BASE_PHYS, + MAS3_SX|MAS3_SR, MAS2_W|MAS2_G, + 0, 2, BOOKE_PAGESZ_256M, 1), + + /* *I*G* - PCI */ + SET_TLB_ENTRY(1, CONFIG_SYS_PCIE1_MEM_VIRT, CONFIG_SYS_PCIE1_MEM_PHYS, + MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G, + 0, 3, BOOKE_PAGESZ_256M, 1), + + SET_TLB_ENTRY(1, CONFIG_SYS_PCIE1_MEM_VIRT + 0x10000000, + CONFIG_SYS_PCIE1_MEM_PHYS + 0x10000000, + MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G, + 0, 4, BOOKE_PAGESZ_256M, 1), + + /* *I*G* - PCI I/O */ + SET_TLB_ENTRY(1, CONFIG_SYS_PCIE1_IO_VIRT, CONFIG_SYS_PCIE1_IO_PHYS, + MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G, + 0, 5, BOOKE_PAGESZ_64K, 1), + + /* Bman/Qman */ +#ifdef CONFIG_SYS_BMAN_MEM_PHYS + SET_TLB_ENTRY(1, CONFIG_SYS_BMAN_MEM_BASE, CONFIG_SYS_BMAN_MEM_PHYS, + MAS3_SX|MAS3_SW|MAS3_SR, 0, + 0, 6, BOOKE_PAGESZ_16M, 1), + SET_TLB_ENTRY(1, CONFIG_SYS_BMAN_MEM_BASE + 0x01000000, + CONFIG_SYS_BMAN_MEM_PHYS + 0x01000000, + MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G, + 0, 7, BOOKE_PAGESZ_16M, 1), +#endif +#ifdef CONFIG_SYS_QMAN_MEM_PHYS + SET_TLB_ENTRY(1, CONFIG_SYS_QMAN_MEM_BASE, CONFIG_SYS_QMAN_MEM_PHYS, + MAS3_SX|MAS3_SW|MAS3_SR, 0, + 0, 8, BOOKE_PAGESZ_16M, 1), + SET_TLB_ENTRY(1, CONFIG_SYS_QMAN_MEM_BASE + 0x01000000, + CONFIG_SYS_QMAN_MEM_PHYS + 0x01000000, + MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G, + 0, 9, BOOKE_PAGESZ_16M, 1), +#endif +#ifdef CONFIG_SYS_DCSRBAR_PHYS + SET_TLB_ENTRY(1, CONFIG_SYS_DCSRBAR, CONFIG_SYS_DCSRBAR_PHYS, + MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G, + 0, 10, BOOKE_PAGESZ_4M, 1), +#endif +#ifdef CONFIG_SYS_NAND_BASE + /* + * *I*G - NAND + * entry 14 and 15 has been used hard coded, they will be disabled + * in cpu_init_f, so we use entry 16 for nand. + */ + SET_TLB_ENTRY(1, CONFIG_SYS_NAND_BASE, CONFIG_SYS_NAND_BASE_PHYS, + MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G, + 0, 11, BOOKE_PAGESZ_64K, 1), +#endif + SET_TLB_ENTRY(1, QIXIS_BASE, QIXIS_BASE_PHYS, + MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G, + 0, 12, BOOKE_PAGESZ_4K, 1), + +}; + +int num_tlb_entries = ARRAY_SIZE(tlb_table); |