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authorUwe Kleine-König <u.kleine-koenig@pengutronix.de>2010-02-05 16:00:11 -0500
committerUwe Kleine-König <u.kleine-koenig@pengutronix.de>2010-02-24 04:06:55 -0500
commit4a50d00cb90dd5dd79e40281a8719a1fc673c2a5 (patch)
tree808f5f252f3edda24595e5f7730a071cb07e2081 /arch/arm/mach-mx2/mm-imx27.c
parent621b0e53b5059bf5641c3294c31ac2949c966c93 (diff)
arm/mx2: split generic.c into mm-imx2[17].c
This removes some #ifdefs and prepares moving the files in a directory with more than imx21 and imx27 support. Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Diffstat (limited to 'arch/arm/mach-mx2/mm-imx27.c')
-rw-r--r--arch/arm/mach-mx2/mm-imx27.c83
1 files changed, 83 insertions, 0 deletions
diff --git a/arch/arm/mach-mx2/mm-imx27.c b/arch/arm/mach-mx2/mm-imx27.c
new file mode 100644
index 000000000000..3366ed44cfd5
--- /dev/null
+++ b/arch/arm/mach-mx2/mm-imx27.c
@@ -0,0 +1,83 @@
1/*
2 * arch/arm/mach-mx2/mm-imx27.c
3 *
4 * Copyright (C) 2008 Juergen Beisert (kernel@pengutronix.de)
5 *
6 * This program is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU General Public License
8 * as published by the Free Software Foundation; either version 2
9 * of the License, or (at your option) any later version.
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
14 *
15 * You should have received a copy of the GNU General Public License
16 * along with this program; if not, write to the Free Software
17 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
18 * MA 02110-1301, USA.
19 */
20
21#include <linux/mm.h>
22#include <linux/init.h>
23#include <mach/hardware.h>
24#include <mach/common.h>
25#include <asm/pgtable.h>
26#include <asm/mach/map.h>
27
28/* MX27 memory map definition */
29static struct map_desc imx27_io_desc[] __initdata = {
30 /*
31 * this fixed mapping covers:
32 * - AIPI1
33 * - AIPI2
34 * - AITC
35 * - ROM Patch
36 * - and some reserved space
37 */
38 {
39 .virtual = MX27_AIPI_BASE_ADDR_VIRT,
40 .pfn = __phys_to_pfn(MX27_AIPI_BASE_ADDR),
41 .length = MX27_AIPI_SIZE,
42 .type = MT_DEVICE
43 },
44 /*
45 * this fixed mapping covers:
46 * - CSI
47 * - ATA
48 */
49 {
50 .virtual = MX27_SAHB1_BASE_ADDR_VIRT,
51 .pfn = __phys_to_pfn(MX27_SAHB1_BASE_ADDR),
52 .length = MX27_SAHB1_SIZE,
53 .type = MT_DEVICE
54 },
55 /*
56 * this fixed mapping covers:
57 * - EMI
58 */
59 {
60 .virtual = MX27_X_MEMC_BASE_ADDR_VIRT,
61 .pfn = __phys_to_pfn(MX27_X_MEMC_BASE_ADDR),
62 .length = MX27_X_MEMC_SIZE,
63 .type = MT_DEVICE
64 },
65};
66
67/*
68 * Initialize the memory map. It is called during the
69 * system startup to create static physical to virtual
70 * memory map for the IO modules.
71 */
72void __init mx27_map_io(void)
73{
74 mxc_set_cpu_type(MXC_CPU_MX27);
75 mxc_arch_reset_init(MX27_IO_ADDRESS(MX27_WDOG_BASE_ADDR));
76
77 iotable_init(imx27_io_desc, ARRAY_SIZE(imx27_io_desc));
78}
79
80void __init mx27_init_irq(void)
81{
82 mxc_init_irq(MX27_IO_ADDRESS(MX27_AVIC_BASE_ADDR));
83}