1 files changed, 110 insertions, 0 deletions
diff --git a/arch/arm/mach-mx6/etm.c b/arch/arm/mach-mx6/etm.c
new file mode 100644
index 00000000..8f328608
--- /dev/null
+++ b/arch/arm/mach-mx6/etm.c
@@ -0,0 +1,110 @@
+/*
+ * Copyright (C) 2012 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.
+ */
+
+#include <linux/types.h>
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/clk.h>
+#include <linux/module.h>
+#include <linux/iram_alloc.h>
+#include <linux/delay.h>
+#include <linux/amba/bus.h>
+
+#include <mach/hardware.h>
+#include <asm/io.h>
+#include <asm/mach/map.h>
+#include <asm/hardware/coresight.h>
+
+static struct __init amba_device mx6_etb_device = {
+	.dev = {
+		.init_name = "etb",
+		},
+	.res = {
+		.start = MX6Q_ETB_BASE_ADDR,
+		.end = MX6Q_ETB_BASE_ADDR + SZ_4K - 1,
+		.flags = IORESOURCE_MEM,
+		},
+	.periphid = 0x3bb907,
+};
+
+static struct __init amba_device mx6_etm_device[] = {
+	{
+	 .dev = {
+		 .init_name = "etm.0",
+		 },
+	 .res = {
+		 .start = MX6Q_PTM0_BASE_ADDR,
+		 .end = MX6Q_PTM0_BASE_ADDR + SZ_4K - 1,
+		 },
+	 .periphid = 0x1bb950,
+	},
+	{
+	 .dev = {
+		 .init_name = "etm.1",
+		 },
+	 .res = {
+		 .start = MX6Q_PTM1_BASE_ADDR,
+		 .end = MX6Q_PTM1_BASE_ADDR + SZ_4K - 1,
+		 },
+	 .periphid = 0x1bb950,
+	},
+	{
+	 .dev = {
+		 .init_name = "etm.2",
+		 },
+	 .res = {
+		 .start = MX6Q_PTM2_BASE_ADDR,
+		 .end = MX6Q_PTM2_BASE_ADDR + SZ_4K - 1,
+		 },
+	 .periphid = 0x1bb950,
+	},
+	{
+	 .dev = {
+		 .init_name = "etm.3",
+		 },
+	 .res = {
+		 .start = MX6Q_PTM3_BASE_ADDR,
+		 .end = MX6Q_PTM3_BASE_ADDR + SZ_4K - 1,
+		 },
+	 .periphid = 0x1bb950,
+	},
+};
+
+#define FUNNEL_CTL 0
+static int __init etm_init(void)
+{
+	int i;
+	__iomem void *base;
+	base = ioremap(0x02144000, SZ_4K);
+	/*Unlock Funnel*/
+	__raw_writel(UNLOCK_MAGIC, base + CSMR_LOCKACCESS);
+	/*Enable all funnel port*/
+	__raw_writel(__raw_readl(base + FUNNEL_CTL) | 0xFF,
+		base + FUNNEL_CTL);
+	/*Lock Funnel*/
+	__raw_writel(0, base + CSMR_LOCKACCESS);
+		iounmap(base);
+
+	amba_device_register(&mx6_etb_device, &iomem_resource);
+	for (i = 0; i < num_possible_cpus(); i++)
+		amba_device_register(mx6_etm_device + i, &iomem_resource);
+
+	return 0;
+}
+
+subsys_initcall(etm_init);