summaryrefslogtreecommitdiff
path: root/board/mosaixtech/icon/init.S
blob: 70ed6ce13b62e4b88829f213bf348243510fc248 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
/*
 * (C) Copyright 2009-2010
 * Stefan Roese, DENX Software Engineering, sr@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 <ppc_asm.tmpl>
#include <config.h>
#include <asm/mmu.h>

/*
 * TLB TABLE
 *
 * This table is used by the cpu boot code to setup the initial tlb
 * entries. Rather than make broad assumptions in the cpu source tree,
 * this table lets each board set things up however they like.
 *
 *  Pointer to the table is returned in r1
 *
 */

	.section .bootpg,"ax"

	.globl tlbtab
tlbtab:
	tlbtab_start

	/*
	 * BOOT_CS (FLASH) must be first. Before relocation SA_I can be off to
	 * use the speed up boot process. It is patched after relocation to
	 * enable SA_I.
	 */
	tlbentry(CONFIG_SYS_BOOT_BASE_ADDR, SZ_16M, CONFIG_SYS_BOOT_BASE_ADDR,
		 4, AC_RWX | SA_G) /* TLB 0 */

	/*
	 * TLB entries for SDRAM are not needed on this platform.
	 * They are dynamically generated in the SPD DDR(2) detection
	 * routine.
	 */

	tlbentry(CONFIG_SYS_ISRAM_BASE, SZ_256K, 0x00000000, 4,
		 AC_RWX | SA_I)

	tlbentry(CONFIG_SYS_PERIPHERAL_BASE, SZ_4K, 0xF0000000, 4,
		 AC_RW | SA_IG)

	tlbentry(CONFIG_SYS_ACE_BASE, SZ_1K,
		 CONFIG_SYS_ACE_BASE_PHYS_L, CONFIG_SYS_ACE_BASE_PHYS_H,
		 AC_RW | SA_IG)

	tlbentry(CONFIG_SYS_PCI_BASE, SZ_256M, 0x00000000, 0xC,
		 AC_RW | SA_IG)
	tlbentry(CONFIG_SYS_PCI_MEMBASE, SZ_256M, 0x10000000, 0xC,
		 AC_RW | SA_IG)
	tlbentry(CONFIG_SYS_PCIE_MEMBASE, SZ_256M, 0xB0000000, 0xD,
		 AC_RW | SA_IG)

	tlbentry(CONFIG_SYS_PCIE0_CFGBASE, SZ_16M, 0x00000000, 0xD,
		 AC_RW | SA_IG)
	tlbentry(CONFIG_SYS_PCIE1_CFGBASE, SZ_16M, 0x20000000, 0xD,
		 AC_RW | SA_IG)
	tlbentry(CONFIG_SYS_PCIE2_CFGBASE, SZ_16M, 0x40000000, 0xD,
		 AC_RW | SA_IG)
	tlbentry(CONFIG_SYS_PCIE0_XCFGBASE, SZ_1K, 0x10000000, 0xD,
		 AC_RW | SA_IG)
	tlbentry(CONFIG_SYS_PCIE1_XCFGBASE, SZ_1K, 0x30000000, 0xD,
		 AC_RW | SA_IG)
	tlbentry(CONFIG_SYS_PCIE2_XCFGBASE, SZ_1K, 0x50000000, 0xD,
		 AC_RW | SA_IG)
	tlbtab_end