diff options
Diffstat (limited to 'board/tqc/tqm85xx/tlb.c')
| -rw-r--r-- | board/tqc/tqm85xx/tlb.c | 248 |
1 files changed, 248 insertions, 0 deletions
diff --git a/board/tqc/tqm85xx/tlb.c b/board/tqc/tqm85xx/tlb.c new file mode 100644 index 0000000000..380448a4f5 --- /dev/null +++ b/board/tqc/tqm85xx/tlb.c @@ -0,0 +1,248 @@ +/* + * 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 0 - for temp stack in cache */ + 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), + 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), + 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), + 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), + +#ifndef CONFIG_TQM_BIGFLASH + /* + * TLB 0, 1: 128M Non-cacheable, guarded + * 0xf8000000 128M FLASH + * Out of reset this entry is only 4K. + */ + SET_TLB_ENTRY (1, CFG_FLASH_BASE, CFG_FLASH_BASE, + MAS3_SX | MAS3_SW | MAS3_SR, MAS2_I | MAS2_G, + 0, 1, BOOKE_PAGESZ_64M, 1), + SET_TLB_ENTRY (1, CFG_FLASH_BASE + 0x4000000, + CFG_FLASH_BASE + 0x4000000, + MAS3_SX | MAS3_SW | MAS3_SR, MAS2_I | MAS2_G, + 0, 0, BOOKE_PAGESZ_64M, 1), + + /* + * TLB 2: 256M Non-cacheable, guarded + * 0x80000000 256M PCI1 MEM First half + */ + SET_TLB_ENTRY (1, CFG_PCI1_MEM_PHYS, CFG_PCI1_MEM_PHYS, + MAS3_SX | MAS3_SW | MAS3_SR, MAS2_I | MAS2_G, + 0, 2, BOOKE_PAGESZ_256M, 1), + + /* + * TLB 3: 256M Non-cacheable, guarded + * 0x90000000 256M PCI1 MEM Second half + */ + SET_TLB_ENTRY (1, CFG_PCI1_MEM_PHYS + 0x10000000, + CFG_PCI1_MEM_PHYS + 0x10000000, + MAS3_SX | MAS3_SW | MAS3_SR, MAS2_I | MAS2_G, + 0, 3, BOOKE_PAGESZ_256M, 1), + +#ifdef CONFIG_PCIE1 + /* + * TLB 4: 256M Non-cacheable, guarded + * 0xc0000000 256M PCI express MEM First half + */ + SET_TLB_ENTRY (1, CFG_PCIE1_MEM_BASE, CFG_PCIE1_MEM_BASE, + MAS3_SX | MAS3_SW | MAS3_SR, MAS2_I | MAS2_G, + 0, 4, BOOKE_PAGESZ_256M, 1), + + /* + * TLB 5: 256M Non-cacheable, guarded + * 0xd0000000 256M PCI express MEM Second half + */ + SET_TLB_ENTRY (1, CFG_PCIE1_MEM_BASE + 0x10000000, + CFG_PCIE1_MEM_BASE + 0x10000000, + MAS3_SX | MAS3_SW | MAS3_SR, MAS2_I | MAS2_G, + 0, 5, BOOKE_PAGESZ_256M, 1), +#else /* !CONFIG_PCIE */ + /* + * TLB 4: 256M Non-cacheable, guarded + * 0xc0000000 256M Rapid IO MEM First half + */ + SET_TLB_ENTRY (1, CFG_RIO_MEM_BASE, CFG_RIO_MEM_BASE, + MAS3_SX | MAS3_SW | MAS3_SR, MAS2_I | MAS2_G, + 0, 4, BOOKE_PAGESZ_256M, 1), + + /* + * TLB 5: 256M Non-cacheable, guarded + * 0xd0000000 256M Rapid IO MEM Second half + */ + SET_TLB_ENTRY (1, CFG_RIO_MEM_BASE + 0x10000000, + CFG_RIO_MEM_BASE + 0x10000000, + MAS3_SX | MAS3_SW | MAS3_SR, MAS2_I | MAS2_G, + 0, 5, BOOKE_PAGESZ_256M, 1), +#endif /* CONFIG_PCIE */ + + /* + * TLB 6: 64M Non-cacheable, guarded + * 0xe0000000 1M CCSRBAR + * 0xe2000000 16M PCI1 IO + * 0xe3000000 16M CAN and NAND Flash + */ + SET_TLB_ENTRY (1, CFG_CCSRBAR, CFG_CCSRBAR_PHYS, + MAS3_SX | MAS3_SW | MAS3_SR, MAS2_I | MAS2_G, + 0, 6, BOOKE_PAGESZ_64M, 1), + + /* + * TLB 7+8: 512M DDR, cache disabled (needed for memory test) + * 0x00000000 512M DDR System memory + * Without SPD EEPROM configured DDR, this must be setup manually. + * Make sure the TLB count at the top of this table is correct. + * Likely it needs to be increased by two for these entries. + */ + SET_TLB_ENTRY (1, CFG_DDR_SDRAM_BASE, CFG_DDR_SDRAM_BASE, + MAS3_SX | MAS3_SW | MAS3_SR, MAS2_I | MAS2_G, + 0, 7, BOOKE_PAGESZ_256M, 1), + + SET_TLB_ENTRY (1, CFG_DDR_SDRAM_BASE + 0x10000000, + CFG_DDR_SDRAM_BASE + 0x10000000, + MAS3_SX | MAS3_SW | MAS3_SR, MAS2_I | MAS2_G, + 0, 8, BOOKE_PAGESZ_256M, 1), + +#ifdef CONFIG_PCIE1 + /* + * TLB 9: 16M Non-cacheable, guarded + * 0xef000000 16M PCI express IO + */ + SET_TLB_ENTRY (1, CFG_PCIE1_IO_BASE, CFG_PCIE1_IO_BASE, + MAS3_SX | MAS3_SW | MAS3_SR, MAS2_I | MAS2_G, + 0, 9, BOOKE_PAGESZ_16M, 1), +#endif /* CONFIG_PCIE */ + +#else /* CONFIG_TQM_BIGFLASH */ + + /* + * TLB 0,1,2,3: 1G Non-cacheable, guarded + * 0xc0000000 1G FLASH + * Out of reset this entry is only 4K. + */ + SET_TLB_ENTRY (1, CFG_FLASH_BASE, CFG_FLASH_BASE, + MAS3_SX | MAS3_SW | MAS3_SR, MAS2_I | MAS2_G, + 0, 3, BOOKE_PAGESZ_256M, 1), + SET_TLB_ENTRY (1, CFG_FLASH_BASE + 0x10000000, + CFG_FLASH_BASE + 0x10000000, + MAS3_SX | MAS3_SW | MAS3_SR, MAS2_I | MAS2_G, + 0, 2, BOOKE_PAGESZ_256M, 1), + SET_TLB_ENTRY (1, CFG_FLASH_BASE + 0x20000000, + CFG_FLASH_BASE + 0x20000000, + MAS3_SX | MAS3_SW | MAS3_SR, MAS2_I | MAS2_G, + 0, 1, BOOKE_PAGESZ_256M, 1), + SET_TLB_ENTRY (1, CFG_FLASH_BASE + 0x30000000, + CFG_FLASH_BASE + 0x30000000, + MAS3_SX | MAS3_SW | MAS3_SR, MAS2_I | MAS2_G, + 0, 0, BOOKE_PAGESZ_256M, 1), + + /* + * TLB 4: 256M Non-cacheable, guarded + * 0x80000000 256M PCI1 MEM First half + */ + SET_TLB_ENTRY (1, CFG_PCI1_MEM_PHYS, CFG_PCI1_MEM_PHYS, + MAS3_SX | MAS3_SW | MAS3_SR, MAS2_I | MAS2_G, + 0, 4, BOOKE_PAGESZ_256M, 1), + + /* + * TLB 5: 256M Non-cacheable, guarded + * 0x90000000 256M PCI1 MEM Second half + */ + SET_TLB_ENTRY (1, CFG_PCI1_MEM_PHYS + 0x10000000, + CFG_PCI1_MEM_PHYS + 0x10000000, + MAS3_SX | MAS3_SW | MAS3_SR, MAS2_I | MAS2_G, + 0, 5, BOOKE_PAGESZ_256M, 1), + +#ifdef CONFIG_PCIE1 + /* + * TLB 6: 256M Non-cacheable, guarded + * 0xc0000000 256M PCI express MEM First half + */ + SET_TLB_ENTRY (1, CFG_PCIE1_MEM_BASE, CFG_PCIE1_MEM_BASE, + MAS3_SX | MAS3_SW | MAS3_SR, MAS2_I | MAS2_G, + 0, 6, BOOKE_PAGESZ_256M, 1), +#else /* !CONFIG_PCIE */ + /* + * TLB 6: 256M Non-cacheable, guarded + * 0xb0000000 256M Rapid IO MEM First half + */ + SET_TLB_ENTRY (1, CFG_RIO_MEM_BASE, CFG_RIO_MEM_BASE, + MAS3_SX | MAS3_SW | MAS3_SR, MAS2_I | MAS2_G, + 0, 6, BOOKE_PAGESZ_256M, 1), + +#endif /* CONFIG_PCIE */ + + /* + * TLB 7: 64M Non-cacheable, guarded + * 0xa0000000 1M CCSRBAR + * 0xa2000000 16M PCI1 IO + * 0xa3000000 16M CAN and NAND Flash + */ + SET_TLB_ENTRY (1, CFG_CCSRBAR, CFG_CCSRBAR_PHYS, + MAS3_SX | MAS3_SW | MAS3_SR, MAS2_I | MAS2_G, + 0, 7, BOOKE_PAGESZ_64M, 1), + + /* + * TLB 8+9: 512M DDR, cache disabled (needed for memory test) + * 0x00000000 512M DDR System memory + * Without SPD EEPROM configured DDR, this must be setup manually. + * Make sure the TLB count at the top of this table is correct. + * Likely it needs to be increased by two for these entries. + */ + SET_TLB_ENTRY (1, CFG_DDR_SDRAM_BASE, CFG_DDR_SDRAM_BASE, + MAS3_SX | MAS3_SW | MAS3_SR, MAS2_I | MAS2_G, + 0, 8, BOOKE_PAGESZ_256M, 1), + + SET_TLB_ENTRY (1, CFG_DDR_SDRAM_BASE + 0x10000000, + CFG_DDR_SDRAM_BASE + 0x10000000, + MAS3_SX | MAS3_SW | MAS3_SR, MAS2_I | MAS2_G, + 0, 9, BOOKE_PAGESZ_256M, 1), + +#ifdef CONFIG_PCIE1 + /* + * TLB 10: 16M Non-cacheable, guarded + * 0xaf000000 16M PCI express IO + */ + SET_TLB_ENTRY (1, CFG_PCIE1_IO_BASE, CFG_PCIE1_IO_BASE, + MAS3_SX | MAS3_SW | MAS3_SR, MAS2_I | MAS2_G, + 0, 10, BOOKE_PAGESZ_16M, 1), +#endif /* CONFIG_PCIE */ + +#endif /* CONFIG_TQM_BIGFLASH */ +}; + +int num_tlb_entries = ARRAY_SIZE (tlb_table); |
