| Stefan Roese | 2a1a8cb | 2010-04-27 11:37:28 +0200 | [diff] [blame] | 1 | /* |
| 2 | * (C) Copyright 2009-2010 |
| 3 | * Stefan Roese, DENX Software Engineering, sr@denx.de. |
| 4 | * |
| 5 | * See file CREDITS for list of people who contributed to this |
| 6 | * project. |
| 7 | * |
| 8 | * This program is free software; you can redistribute it and/or |
| 9 | * modify it under the terms of the GNU General Public License as |
| 10 | * published by the Free Software Foundation; either version 2 of |
| 11 | * the License, or (at your option) any later version. |
| 12 | * |
| 13 | * This program is distributed in the hope that it will be useful, |
| 14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 16 | * GNU General Public License for more details. |
| 17 | * |
| 18 | * You should have received a copy of the GNU General Public License |
| 19 | * along with this program; if not, write to the Free Software |
| 20 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, |
| 21 | * MA 02111-1307 USA |
| 22 | */ |
| 23 | |
| 24 | #include <ppc_asm.tmpl> |
| 25 | #include <config.h> |
| 26 | #include <asm/mmu.h> |
| Stefan Roese | 3ddce57 | 2010-09-20 16:05:31 +0200 | [diff] [blame] | 27 | #include <asm/ppc4xx.h> |
| Stefan Roese | 2a1a8cb | 2010-04-27 11:37:28 +0200 | [diff] [blame] | 28 | |
| 29 | /* |
| 30 | * TLB TABLE |
| 31 | * |
| 32 | * This table is used by the cpu boot code to setup the initial tlb |
| 33 | * entries. Rather than make broad assumptions in the cpu source tree, |
| 34 | * this table lets each board set things up however they like. |
| 35 | * |
| 36 | * Pointer to the table is returned in r1 |
| 37 | * |
| 38 | */ |
| 39 | |
| 40 | .section .bootpg,"ax" |
| 41 | |
| 42 | .globl tlbtab |
| 43 | tlbtab: |
| 44 | tlbtab_start |
| 45 | |
| 46 | /* |
| 47 | * BOOT_CS (FLASH) must be first. Before relocation SA_I can be off to |
| 48 | * use the speed up boot process. It is patched after relocation to |
| 49 | * enable SA_I. |
| 50 | */ |
| 51 | tlbentry(CONFIG_SYS_BOOT_BASE_ADDR, SZ_16M, CONFIG_SYS_BOOT_BASE_ADDR, |
| 52 | 4, AC_RWX | SA_G) /* TLB 0 */ |
| 53 | |
| 54 | /* |
| 55 | * TLB entries for SDRAM are not needed on this platform. |
| 56 | * They are dynamically generated in the SPD DDR(2) detection |
| 57 | * routine. |
| 58 | */ |
| 59 | |
| 60 | tlbentry(CONFIG_SYS_ISRAM_BASE, SZ_256K, 0x00000000, 4, |
| 61 | AC_RWX | SA_I) |
| 62 | |
| 63 | tlbentry(CONFIG_SYS_PERIPHERAL_BASE, SZ_4K, 0xF0000000, 4, |
| 64 | AC_RW | SA_IG) |
| 65 | |
| 66 | tlbentry(CONFIG_SYS_ACE_BASE, SZ_1K, |
| 67 | CONFIG_SYS_ACE_BASE_PHYS_L, CONFIG_SYS_ACE_BASE_PHYS_H, |
| 68 | AC_RW | SA_IG) |
| 69 | |
| 70 | tlbentry(CONFIG_SYS_PCI_BASE, SZ_256M, 0x00000000, 0xC, |
| 71 | AC_RW | SA_IG) |
| 72 | tlbentry(CONFIG_SYS_PCI_MEMBASE, SZ_256M, 0x10000000, 0xC, |
| 73 | AC_RW | SA_IG) |
| 74 | tlbentry(CONFIG_SYS_PCIE_MEMBASE, SZ_256M, 0xB0000000, 0xD, |
| 75 | AC_RW | SA_IG) |
| 76 | |
| 77 | tlbentry(CONFIG_SYS_PCIE0_CFGBASE, SZ_16M, 0x00000000, 0xD, |
| 78 | AC_RW | SA_IG) |
| 79 | tlbentry(CONFIG_SYS_PCIE1_CFGBASE, SZ_16M, 0x20000000, 0xD, |
| 80 | AC_RW | SA_IG) |
| 81 | tlbentry(CONFIG_SYS_PCIE2_CFGBASE, SZ_16M, 0x40000000, 0xD, |
| 82 | AC_RW | SA_IG) |
| 83 | tlbentry(CONFIG_SYS_PCIE0_XCFGBASE, SZ_1K, 0x10000000, 0xD, |
| 84 | AC_RW | SA_IG) |
| 85 | tlbentry(CONFIG_SYS_PCIE1_XCFGBASE, SZ_1K, 0x30000000, 0xD, |
| 86 | AC_RW | SA_IG) |
| 87 | tlbentry(CONFIG_SYS_PCIE2_XCFGBASE, SZ_1K, 0x50000000, 0xD, |
| 88 | AC_RW | SA_IG) |
| 89 | tlbtab_end |