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authorLinus Torvalds <torvalds@linux-foundation.org>2010-08-03 14:31:24 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2010-08-03 14:31:24 -0700
commitbe82ae0238b0453afcf4a76f0512b7dde34ba500 (patch)
treeaaa3f5f11fd51fd73365ee1a2164aad9a03de060 /arch/arm/mach-imx/mm-imx27.c
parent4b4fd27c0b5ec638a1f06ced9226fd95229dbbf0 (diff)
parent7b70c4275f28702b76b273c8534c38f8313812e9 (diff)
Merge branch 'devel' of master.kernel.org:/home/rmk/linux-2.6-arm
* 'devel' of master.kernel.org:/home/rmk/linux-2.6-arm: (291 commits) ARM: AMBA: Add pclk support to AMBA bus infrastructure ARM: 6278/2: fix regression in RealView after the introduction of pclk ARM: 6277/1: mach-shmobile: Allow users to select HZ, default to 128 ARM: 6276/1: mach-shmobile: remove duplicate NR_IRQS_LEGACY ARM: 6246/1: mmci: support larger MMCIDATALENGTH register ARM: 6245/1: mmci: enable hardware flow control on Ux500 variants ARM: 6244/1: mmci: add variant data and default MCICLOCK support ARM: 6243/1: mmci: pass power_mode to the translate_vdd callback ARM: 6274/1: add global control registers definition header file for nuc900 mx2_camera: fix type of dma buffer virtual address pointer mx2_camera: Add soc_camera support for i.MX25/i.MX27 arm/imx/gpio: add spinlock protection ARM: Add support for the LPC32XX arch ARM: LPC32XX: Arch config menu supoport and makefiles ARM: LPC32XX: Phytec 3250 platform support ARM: LPC32XX: Misc support functions ARM: LPC32XX: Serial support code ARM: LPC32XX: System suspend support ARM: LPC32XX: GPIO, timer, and IRQ drivers ARM: LPC32XX: Clock driver ...
Diffstat (limited to 'arch/arm/mach-imx/mm-imx27.c')
-rw-r--r--arch/arm/mach-imx/mm-imx27.c86
1 files changed, 86 insertions, 0 deletions
diff --git a/arch/arm/mach-imx/mm-imx27.c b/arch/arm/mach-imx/mm-imx27.c
new file mode 100644
index 00000000000..a24622957ff
--- /dev/null
+++ b/arch/arm/mach-imx/mm-imx27.c
@@ -0,0 +1,86 @@
+/*
+ * arch/arm/mach-imx/mm-imx27.c
+ *
+ * Copyright (C) 2008 Juergen Beisert (kernel@pengutronix.de)
+ *
+ * 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., 51 Franklin Street, Fifth Floor, Boston,
+ * MA 02110-1301, USA.
+ */
+
+#include <linux/mm.h>
+#include <linux/init.h>
+#include <mach/hardware.h>
+#include <mach/common.h>
+#include <asm/pgtable.h>
+#include <asm/mach/map.h>
+
+/* MX27 memory map definition */
+static struct map_desc imx27_io_desc[] __initdata = {
+ /*
+ * this fixed mapping covers:
+ * - AIPI1
+ * - AIPI2
+ * - AITC
+ * - ROM Patch
+ * - and some reserved space
+ */
+ {
+ .virtual = MX27_AIPI_BASE_ADDR_VIRT,
+ .pfn = __phys_to_pfn(MX27_AIPI_BASE_ADDR),
+ .length = MX27_AIPI_SIZE,
+ .type = MT_DEVICE
+ },
+ /*
+ * this fixed mapping covers:
+ * - CSI
+ * - ATA
+ */
+ {
+ .virtual = MX27_SAHB1_BASE_ADDR_VIRT,
+ .pfn = __phys_to_pfn(MX27_SAHB1_BASE_ADDR),
+ .length = MX27_SAHB1_SIZE,
+ .type = MT_DEVICE
+ },
+ /*
+ * this fixed mapping covers:
+ * - EMI
+ */
+ {
+ .virtual = MX27_X_MEMC_BASE_ADDR_VIRT,
+ .pfn = __phys_to_pfn(MX27_X_MEMC_BASE_ADDR),
+ .length = MX27_X_MEMC_SIZE,
+ .type = MT_DEVICE
+ },
+};
+
+/*
+ * Initialize the memory map. It is called during the
+ * system startup to create static physical to virtual
+ * memory map for the IO modules.
+ */
+void __init mx27_map_io(void)
+{
+ mxc_set_cpu_type(MXC_CPU_MX27);
+ mxc_arch_reset_init(MX27_IO_ADDRESS(MX27_WDOG_BASE_ADDR));
+
+ iotable_init(imx27_io_desc, ARRAY_SIZE(imx27_io_desc));
+}
+
+int imx27_register_gpios(void);
+
+void __init mx27_init_irq(void)
+{
+ mxc_init_irq(MX27_IO_ADDRESS(MX27_AVIC_BASE_ADDR));
+ imx27_register_gpios();
+}