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Commit | Line | Data |
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0e6d798c | 1 | /* |
56fb6ba1 SR |
2 | * Copyright (C) 2002 Scott McNutt <smcnutt@artesyncp.com> |
3 | * | |
1a459660 | 4 | * SPDX-License-Identifier: GPL-2.0+ |
56fb6ba1 | 5 | */ |
0e6d798c WD |
6 | |
7 | #include <ppc_asm.tmpl> | |
8 | #include <config.h> | |
61f2b38a | 9 | #include <asm/mmu.h> |
550650dd | 10 | #include <asm/ppc4xx.h> |
0e6d798c WD |
11 | |
12 | /************************************************************************** | |
13 | * TLB TABLE | |
14 | * | |
15 | * This table is used by the cpu boot code to setup the initial tlb | |
16 | * entries. Rather than make broad assumptions in the cpu source tree, | |
17 | * this table lets each board set things up however they like. | |
18 | * | |
19 | * Pointer to the table is returned in r1 | |
20 | * | |
21 | *************************************************************************/ | |
22 | ||
fa1aef15 SR |
23 | .section .bootpg,"ax" |
24 | .globl tlbtab | |
0e6d798c WD |
25 | |
26 | tlbtab: | |
fa1aef15 SR |
27 | tlbtab_start |
28 | ||
cf6eb6da | 29 | tlbentry(0xf0000000, SZ_256M, 0xf0000000, 1, AC_RWX | SA_IG) |
fa1aef15 SR |
30 | |
31 | /* | |
32 | * TLB entries for SDRAM are not needed on this platform. | |
33 | * They are dynamically generated in the SPD DDR(2) detection | |
34 | * routine. | |
35 | */ | |
36 | ||
cf6eb6da SR |
37 | tlbentry(CONFIG_SYS_PERIPHERAL_BASE, SZ_256M, 0x40000000, 1, AC_RW | SA_IG) |
38 | tlbentry(CONFIG_SYS_ISRAM_BASE, SZ_4K, 0x80000000, 0, AC_RWX) | |
39 | tlbentry(CONFIG_SYS_ISRAM_BASE + 0x1000, SZ_4K, 0x80001000, 0, AC_RWX) | |
40 | tlbentry(CONFIG_SYS_PCI_BASE, SZ_256M, 0x00000000, 2, AC_RW | SA_IG) | |
41 | tlbentry(CONFIG_SYS_PCI_MEMBASE, SZ_256M, 0x00000000, 3, AC_RW | SA_IG) | |
fa1aef15 | 42 | tlbtab_end |