1 files changed, 72 insertions, 0 deletions
diff --git a/arch/arm/mach-mx5/mm-mx50.c b/arch/arm/mach-mx5/mm-mx50.c
new file mode 100644
index 000000000000..b9c363b514a9
--- /dev/null
+++ b/arch/arm/mach-mx5/mm-mx50.c
@@ -0,0 +1,72 @@
+/*
+ * Copyright (C) 2010 Freescale Semiconductor, Inc. All Rights Reserved.
+ *
+ * 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.
+ *
+ * Create static mapping between physical to virtual memory.
+ */
+
+#include <linux/mm.h>
+#include <linux/init.h>
+
+#include <asm/mach/map.h>
+
+#include <mach/hardware.h>
+#include <mach/common.h>
+#include <mach/iomux-v3.h>
+#include <mach/gpio.h>
+#include <mach/irqs.h>
+
+/*
+ * Define the MX50 memory map.
+ */
+static struct map_desc mx50_io_desc[] __initdata = {
+	imx_map_entry(MX50, TZIC, MT_DEVICE),
+	imx_map_entry(MX50, SPBA0, MT_DEVICE),
+	imx_map_entry(MX50, AIPS1, MT_DEVICE),
+	imx_map_entry(MX50, AIPS2, MT_DEVICE),
+};
+
+/*
+ * This function initializes the memory map. It is called during the
+ * system startup to create static physical to virtual memory mappings
+ * for the IO modules.
+ */
+void __init mx50_map_io(void)
+{
+	iotable_init(mx50_io_desc, ARRAY_SIZE(mx50_io_desc));
+}
+
+void __init imx50_init_early(void)
+{
+	mxc_set_cpu_type(MXC_CPU_MX50);
+	mxc_iomux_v3_init(MX50_IO_ADDRESS(MX50_IOMUXC_BASE_ADDR));
+	mxc_arch_reset_init(MX50_IO_ADDRESS(MX50_WDOG_BASE_ADDR));
+}
+
+static struct mxc_gpio_port imx50_gpio_ports[] = {
+	DEFINE_IMX_GPIO_PORT_IRQ_HIGH(MX50, 0, 1, MX50_INT_GPIO1_LOW, MX50_INT_GPIO1_HIGH),
+	DEFINE_IMX_GPIO_PORT_IRQ_HIGH(MX50, 1, 2, MX50_INT_GPIO2_LOW, MX50_INT_GPIO2_HIGH),
+	DEFINE_IMX_GPIO_PORT_IRQ_HIGH(MX50, 2, 3, MX50_INT_GPIO3_LOW, MX50_INT_GPIO3_HIGH),
+	DEFINE_IMX_GPIO_PORT_IRQ_HIGH(MX50, 3, 4, MX50_INT_GPIO3_LOW, MX50_INT_GPIO3_HIGH),
+	DEFINE_IMX_GPIO_PORT_IRQ_HIGH(MX50, 4, 5, MX50_INT_GPIO3_LOW, MX50_INT_GPIO3_HIGH),
+	DEFINE_IMX_GPIO_PORT_IRQ_HIGH(MX50, 5, 6, MX50_INT_GPIO3_LOW, MX50_INT_GPIO3_HIGH),
+};
+
+void __init mx50_init_irq(void)
+{
+	tzic_init_irq(MX50_IO_ADDRESS(MX50_TZIC_BASE_ADDR));
+	mxc_gpio_init(imx50_gpio_ports,	ARRAY_SIZE(imx50_gpio_ports));
+}