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authorLinus Torvalds <torvalds@linux-foundation.org>2010-03-12 19:00:54 -0500
committerLinus Torvalds <torvalds@linux-foundation.org>2010-03-12 19:00:54 -0500
commitdca1d9f6d7ae428c193f32bd3e9a4ca13176648b (patch)
tree02de8c3503c1c811754423d2fa3f3b4978044f6e /arch/arm/mach-mx2/mm-imx27.c
parent9ff99339447de403a46be5e3f23d0c794d540b06 (diff)
parent91e013827c0bcbb187ecf02213c5446b6f62d445 (diff)
Merge branch 'for-linus' of master.kernel.org:/home/rmk/linux-2.6-arm
* 'for-linus' of master.kernel.org:/home/rmk/linux-2.6-arm: (370 commits) ARM: S3C2443: Add set_rate and round_rate calls for armdiv clock ARM: S3C2443: Remove #if 0 for clk_mpll ARM: S3C2443: Update notes on MPLLREF clock ARM: S3C2443: Further clksrc-clk conversions ARM: S3C2443: Change to using plat-samsung clksrc-clk implementation USB: Fix s3c-hsotg build following Samsung platform header moves ARM: S3C64XX: Reintroduce unconditional build of audio device ARM: 5961/1: ux500: fix CLKRST addresses ARM: 5977/1: arm: Enable backtrace printing on oops when PC is corrupted ASoC: Fix S3C64xx IIS driver for Samsung header reorg ARM: S3C2440: Fix plat-s3c24xx move of s3c2440/s3c2442 support [ARM] pxa: fix typo in mxm8x10.h [ARM] pxa/raumfeld: set GPIO drive bits for LED pins [ARM] pxa/zeus: Add support for mcp2515 CAN bus [ARM] pxa/zeus: Add support for onboard max6369 watchdog [ARM] pxa/zeus: Add Eurotech as the manufacturer [ARM] pxa/zeus: Correct the USB host initialisation flags [ARM] pxa/zeus: Allow usage of 8250-compatible UART in uncompress [ARM] pxa: refactor uncompress.h for non-PXA uarts [ARM] mmp2: fix incorrect calling of chip->mask_ack() for 2nd level cascaded IRQs ...
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}