1 files changed, 81 insertions, 0 deletions
diff --git a/arch/arm/mach-imx/mach-imx27.c b/arch/arm/mach-imx/mach-imx27.c
new file mode 100644
index 000000000..262422a9c
--- /dev/null
+++ b/arch/arm/mach-imx/mach-imx27.c
@@ -0,0 +1,81 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ * Copyright 2012 Sascha Hauer, Pengutronix
+ */
+
+#include <linux/init.h>
+#include <linux/irq.h>
+#include <linux/of_address.h>
+#include <linux/of_irq.h>
+#include <linux/of_platform.h>
+#include <linux/mm.h>
+#include <asm/mach/arch.h>
+#include <asm/mach/map.h>
+#include <asm/mach/time.h>
+
+#include "common.h"
+#include "hardware.h"
+#include "mx27.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
+	 */
+	imx_map_entry(MX27, AIPI, MT_DEVICE),
+	/*
+	 * this fixed mapping covers:
+	 * - CSI
+	 * - ATA
+	 */
+	imx_map_entry(MX27, SAHB1, MT_DEVICE),
+	/*
+	 * this fixed mapping covers:
+	 * - EMI
+	 */
+	imx_map_entry(MX27, X_MEMC, 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.
+ */
+static void __init mx27_map_io(void)
+{
+	iotable_init(imx27_io_desc, ARRAY_SIZE(imx27_io_desc));
+}
+
+static void __init imx27_init_early(void)
+{
+	mxc_set_cpu_type(MXC_CPU_MX27);
+}
+
+static void __init mx27_init_irq(void)
+{
+	void __iomem *avic_base;
+	struct device_node *np;
+
+	np = of_find_compatible_node(NULL, NULL, "fsl,avic");
+	avic_base = of_iomap(np, 0);
+	BUG_ON(!avic_base);
+	mxc_init_irq(avic_base);
+}
+
+static const char * const imx27_dt_board_compat[] __initconst = {
+	"fsl,imx27",
+	NULL
+};
+
+DT_MACHINE_START(IMX27_DT, "Freescale i.MX27 (Device Tree Support)")
+	.map_io		= mx27_map_io,
+	.init_early	= imx27_init_early,
+	.init_irq	= mx27_init_irq,
+	.init_late	= imx27_pm_init,
+	.dt_compat	= imx27_dt_board_compat,
+MACHINE_END