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ppc4xx: Add support for ICON board (PPC440SPe)
[people/ms/u-boot.git] / board / mosaixtech / icon / init.S
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029faf3e
SR
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>
27
28/*
29 * TLB TABLE
30 *
31 * This table is used by the cpu boot code to setup the initial tlb
32 * entries. Rather than make broad assumptions in the cpu source tree,
33 * this table lets each board set things up however they like.
34 *
35 * Pointer to the table is returned in r1
36 *
37 */
38
39 .section .bootpg,"ax"
40
41 .globl tlbtab
42tlbtab:
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, CONFIG_SYS_BOOT_BASE_ADDR,
51 4, AC_RWX | SA_G) /* TLB 0 */
52
53 /*
54 * TLB entries for SDRAM are not needed on this platform.
55 * They are dynamically generated in the SPD DDR(2) detection
56 * routine.
57 */
58
59 tlbentry(CONFIG_SYS_ISRAM_BASE, SZ_256K, 0x00000000, 4,
60 AC_RWX | SA_I)
61
62 tlbentry(CONFIG_SYS_PERIPHERAL_BASE, SZ_4K, 0xF0000000, 4,
63 AC_RW | SA_IG)
64
65 tlbentry(CONFIG_SYS_ACE_BASE, SZ_1K,
66 CONFIG_SYS_ACE_BASE_PHYS_L, CONFIG_SYS_ACE_BASE_PHYS_H,
67 AC_RW | SA_IG)
68
69 tlbentry(CONFIG_SYS_PCI_BASE, SZ_256M, 0x00000000, 0xC,
70 AC_RW | SA_IG)
71 tlbentry(CONFIG_SYS_PCI_MEMBASE, SZ_256M, 0x10000000, 0xC,
72 AC_RW | SA_IG)
73 tlbentry(CONFIG_SYS_PCIE_MEMBASE, SZ_256M, 0xB0000000, 0xD,
74 AC_RW | SA_IG)
75
76 tlbentry(CONFIG_SYS_PCIE0_CFGBASE, SZ_16M, 0x00000000, 0xD,
77 AC_RW | SA_IG)
78 tlbentry(CONFIG_SYS_PCIE1_CFGBASE, SZ_16M, 0x20000000, 0xD,
79 AC_RW | SA_IG)
80 tlbentry(CONFIG_SYS_PCIE2_CFGBASE, SZ_16M, 0x40000000, 0xD,
81 AC_RW | SA_IG)
82 tlbentry(CONFIG_SYS_PCIE0_XCFGBASE, SZ_1K, 0x10000000, 0xD,
83 AC_RW | SA_IG)
84 tlbentry(CONFIG_SYS_PCIE1_XCFGBASE, SZ_1K, 0x30000000, 0xD,
85 AC_RW | SA_IG)
86 tlbentry(CONFIG_SYS_PCIE2_XCFGBASE, SZ_1K, 0x50000000, 0xD,
87 AC_RW | SA_IG)
88 tlbtab_end