From 849369d6c66d3054688672f97d31fceb8e8230fb Mon Sep 17 00:00:00 2001
From: root <root@artemis.panaceas.org>
Date: Fri, 25 Dec 2015 04:40:36 +0000
Subject: initial_commit

---
 arch/arm/mach-imx/mm-imx25.c | 72 ++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 72 insertions(+)
 create mode 100644 arch/arm/mach-imx/mm-imx25.c

(limited to 'arch/arm/mach-imx/mm-imx25.c')

diff --git a/arch/arm/mach-imx/mm-imx25.c b/arch/arm/mach-imx/mm-imx25.c
new file mode 100644
index 00000000..02f7b5c7
--- /dev/null
+++ b/arch/arm/mach-imx/mm-imx25.c
@@ -0,0 +1,72 @@
+/*
+ *  Copyright (C) 1999,2000 Arm Limited
+ *  Copyright (C) 2000 Deep Blue Solutions Ltd
+ *  Copyright (C) 2002 Shane Nay (shane@minirl.com)
+ *  Copyright 2005-2007 Freescale Semiconductor, Inc. All Rights Reserved.
+ *    - add MX31 specific definitions
+ *
+ * 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.
+ */
+
+#include <linux/mm.h>
+#include <linux/init.h>
+#include <linux/err.h>
+
+#include <asm/pgtable.h>
+#include <asm/mach/map.h>
+
+#include <mach/common.h>
+#include <mach/hardware.h>
+#include <mach/mx25.h>
+#include <mach/iomux-v3.h>
+#include <mach/gpio.h>
+#include <mach/irqs.h>
+
+/*
+ * This table defines static virtual address mappings for I/O regions.
+ * These are the mappings common across all MX25 boards.
+ */
+static struct map_desc mx25_io_desc[] __initdata = {
+	imx_map_entry(MX25, AVIC, MT_DEVICE_NONSHARED),
+	imx_map_entry(MX25, AIPS1, MT_DEVICE_NONSHARED),
+	imx_map_entry(MX25, AIPS2, MT_DEVICE_NONSHARED),
+};
+
+/*
+ * 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 mx25_map_io(void)
+{
+	iotable_init(mx25_io_desc, ARRAY_SIZE(mx25_io_desc));
+}
+
+void __init imx25_init_early(void)
+{
+	mxc_set_cpu_type(MXC_CPU_MX25);
+	mxc_iomux_v3_init(MX25_IO_ADDRESS(MX25_IOMUXC_BASE_ADDR));
+	mxc_arch_reset_init(MX25_IO_ADDRESS(MX25_WDOG_BASE_ADDR));
+}
+
+static struct mxc_gpio_port imx25_gpio_ports[] = {
+	DEFINE_IMX_GPIO_PORT_IRQ(MX25, 0, 1, MX25_INT_GPIO1),
+	DEFINE_IMX_GPIO_PORT_IRQ(MX25, 1, 2, MX25_INT_GPIO2),
+	DEFINE_IMX_GPIO_PORT_IRQ(MX25, 2, 3, MX25_INT_GPIO3),
+	DEFINE_IMX_GPIO_PORT_IRQ(MX25, 3, 4, MX25_INT_GPIO4),
+};
+
+void __init mx25_init_irq(void)
+{
+	mxc_init_irq(MX25_IO_ADDRESS(MX25_AVIC_BASE_ADDR));
+	mxc_gpio_init(imx25_gpio_ports,	ARRAY_SIZE(imx25_gpio_ports));
+}
+
-- 
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