| Stefan Roese | 273ed03 | 2010-05-19 11:11:15 +0200 | [diff] [blame] | 1 | /* |
| 2 | * (C) Copyright 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 | |
| Wolfgang Denk | 25ddd1f | 2010-10-26 14:34:52 +0200 | [diff] [blame] | 24 | #include <asm-offsets.h> |
| Stefan Roese | 273ed03 | 2010-05-19 11:11:15 +0200 | [diff] [blame] | 25 | #include <ppc_asm.tmpl> |
| 26 | #include <config.h> |
| 27 | #include <asm/mmu.h> |
| 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 | .section .bootpg,"ax" |
| 40 | .globl tlbtab |
| 41 | |
| 42 | tlbtab: |
| 43 | tlbtab_start |
| 44 | |
| 45 | /* |
| 46 | * BOOT_CS (FLASH) must be first. Before relocation SA_I can be off to |
| 47 | * use the speed up boot process. It is patched after relocation to |
| 48 | * enable SA_I |
| 49 | */ |
| 50 | tlbentry(CONFIG_SYS_BOOT_BASE_ADDR, SZ_16M, |
| 51 | CONFIG_SYS_BOOT_BASE_ADDR, 4, AC_RWX | SA_G) |
| 52 | |
| 53 | /* |
| 54 | * TLB entries for SDRAM are not needed on this platform. |
| 55 | * They are dynamically generated in the DDR(2) detection |
| 56 | * routine. |
| 57 | */ |
| 58 | |
| 59 | #ifdef CONFIG_SYS_INIT_RAM_DCACHE |
| 60 | /* TLB-entry for init-ram in dcache (SA_I must be turned off!) */ |
| 61 | tlbentry(CONFIG_SYS_INIT_RAM_ADDR, SZ_4K, CONFIG_SYS_INIT_RAM_ADDR, 0, |
| 62 | AC_RWX | SA_G) |
| 63 | #endif |
| 64 | |
| 65 | tlbentry(CONFIG_SYS_PCI_BASE, SZ_256M, 0x00000000, 0xc, |
| 66 | AC_RW | SA_IG) |
| 67 | tlbentry(CONFIG_SYS_PCI_MEMBASE, SZ_256M, 0x20000000, 0xc, |
| 68 | AC_RW | SA_IG) |
| 69 | tlbentry(CONFIG_SYS_PCIE_MEMBASE, SZ_256M, 0xB0000000, 0xd, |
| 70 | AC_RW | SA_IG) |
| 71 | |
| 72 | tlbentry(CONFIG_SYS_PCIE0_CFGBASE, SZ_16M, 0x00000000, 0xd, |
| 73 | AC_RW | SA_IG) |
| 74 | tlbentry(CONFIG_SYS_PCIE1_CFGBASE, SZ_16M, 0x20000000, 0xd, |
| 75 | AC_RW | SA_IG) |
| 76 | tlbentry(CONFIG_SYS_PCIE0_XCFGBASE, SZ_1K, 0x10000000, 0xd, |
| 77 | AC_RW | SA_IG) |
| 78 | tlbentry(CONFIG_SYS_PCIE1_XCFGBASE, SZ_1K, 0x30000000, 0xd, |
| 79 | AC_RW | SA_IG) |
| 80 | |
| 81 | /* PCIe UTL register */ |
| 82 | tlbentry(CONFIG_SYS_PCIE_BASE, SZ_16K, 0x08010000, 0xc, AC_RW | SA_IG) |
| 83 | |
| 84 | /* TLB-entry for FPGA(s) */ |
| Stefan Roese | 5bf39a9 | 2010-07-19 14:24:22 +0200 | [diff] [blame] | 85 | tlbentry(CONFIG_SYS_FPGA1_BASE, SZ_16M, CONFIG_SYS_FPGA1_BASE, 4, |
| Stefan Roese | 273ed03 | 2010-05-19 11:11:15 +0200 | [diff] [blame] | 86 | AC_RW | SA_IG) |
| Stefan Roese | 5bf39a9 | 2010-07-19 14:24:22 +0200 | [diff] [blame] | 87 | tlbentry(CONFIG_SYS_FPGA1_BASE + (16 << 20), SZ_16M, |
| 88 | CONFIG_SYS_FPGA1_BASE + (16 << 20), 4, AC_RW | SA_IG) |
| 89 | tlbentry(CONFIG_SYS_FPGA2_BASE, SZ_16M, CONFIG_SYS_FPGA2_BASE, 4, |
| Stefan Roese | 273ed03 | 2010-05-19 11:11:15 +0200 | [diff] [blame] | 90 | AC_RW | SA_IG) |
| Stefan Roese | 5bf39a9 | 2010-07-19 14:24:22 +0200 | [diff] [blame] | 91 | tlbentry(CONFIG_SYS_FPGA3_BASE, SZ_16M, CONFIG_SYS_FPGA3_BASE, 4, |
| Stefan Roese | 273ed03 | 2010-05-19 11:11:15 +0200 | [diff] [blame] | 92 | AC_RW | SA_IG) |
| 93 | |
| 94 | /* TLB-entry for OCM */ |
| 95 | tlbentry(CONFIG_SYS_OCM_BASE, SZ_1M, 0x00000000, 4, |
| 96 | AC_RWX | SA_I) |
| 97 | |
| 98 | /* TLB-entry for Local Configuration registers => peripherals */ |
| 99 | tlbentry(CONFIG_SYS_LOCAL_CONF_REGS, SZ_16M, |
| 100 | CONFIG_SYS_LOCAL_CONF_REGS, 4, AC_RWX | SA_IG) |
| 101 | |
| 102 | tlbtab_end |