1 files changed, 89 insertions, 0 deletions
diff --git a/arch/arm/mach-mvf/mm.c b/arch/arm/mach-mvf/mm.c
new file mode 100644
index 000000000000..957398ccb8f5
--- /dev/null
+++ b/arch/arm/mach-mvf/mm.c
@@ -0,0 +1,89 @@
+/*
+ * Copyright 2012 Freescale Semiconductor, Inc.
+ *
+ * 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/iomux-v3.h>
+
+#include <mach/hardware.h>
+#include <mach/common.h>
+#include <mach/iomux-v3.h>
+#include <asm/hardware/cache-l2x0.h>
+#include <mach/mvf.h>
+
+/*!
+ * This structure defines the MVF memory map.
+ */
+static struct map_desc mvf_io_desc[] __initdata = {
+	{
+	.virtual = (unsigned long)MVF_IO_ADDRESS(BOOT_ROM_BASE_ADDR),
+	.pfn = __phys_to_pfn(BOOT_ROM_BASE_ADDR),
+	.length = ROMCP_SIZE,
+	.type = MT_DEVICE},
+	{
+	.virtual = (unsigned long)MVF_IO_ADDRESS(MVF_AIPS0_BASE_ADDR),
+	.pfn = __phys_to_pfn(MVF_AIPS0_BASE_ADDR),
+	.length = MVF_AIPS0_SIZE,
+	.type = MT_DEVICE},
+	{
+	.virtual = (unsigned long)MVF_IO_ADDRESS(MVF_AIPS1_BASE_ADDR),
+	.pfn = __phys_to_pfn(MVF_AIPS1_BASE_ADDR),
+	.length = MVF_AIPS1_SIZE,
+	.type = MT_DEVICE},
+};
+/*!
+ * This function initializes the memory map. It is called during the
+ * system startup to create static physical to virtual memory map for
+ * the IO modules.
+ */
+void __init mvf_map_io(void)
+{
+	iotable_init(mvf_io_desc, ARRAY_SIZE(mvf_io_desc));
+	mxc_iomux_v3_init(MVF_IO_ADDRESS(MVF_IOMUXC_BASE_ADDR));
+	mxc_arch_reset_init(MVF_IO_ADDRESS(MVF_WDOG1_BASE_ADDR));
+	mxc_set_cpu_type(MXC_CPU_MVF);
+}
+#ifdef CONFIG_CACHE_L2X0
+int mxc_init_l2x0(void)
+{
+	unsigned int val;
+
+	writel(0x132, MVF_IO_ADDRESS(L2_BASE_ADDR + L2X0_TAG_LATENCY_CTRL));
+	writel(0x132, MVF_IO_ADDRESS(L2_BASE_ADDR + L2X0_DATA_LATENCY_CTRL));
+
+	val = readl(MVF_IO_ADDRESS(L2_BASE_ADDR + L2X0_PREFETCH_CTRL));
+	val |= 0x40800000;
+	writel(val, MVF_IO_ADDRESS(L2_BASE_ADDR + L2X0_PREFETCH_CTRL));
+	val = readl(MVF_IO_ADDRESS(L2_BASE_ADDR + L2X0_POWER_CTRL));
+	val |= L2X0_DYNAMIC_CLK_GATING_EN;
+	val |= L2X0_STNDBY_MODE_EN;
+	writel(val, MVF_IO_ADDRESS(L2_BASE_ADDR + L2X0_POWER_CTRL));
+
+	l2x0_init(MVF_IO_ADDRESS(L2_BASE_ADDR), 0x0, ~0x00000000);
+	return 0;
+}
+
+
+arch_initcall(mxc_init_l2x0);
+#endif