OMAP4: Initialise the l3 device with the hwmod data.

The l3 interconnect device is build with all the data required
to handle the error logging. The data is extracted from the
hwmod data base.

Signed-off-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
Signed-off-by: sricharan <r.sricharan@ti.com>
Acked-by: Benoit Cousson <b-cousson@ti.com>

1 files changed, 32 insertions, 0 deletions

diff --git a/arch/arm/mach-omap2/devices.c b/arch/arm/mach-omap2/devices.c
index 6a320b61631..0d2d6a9c303 100644
--- a/arch/arm/mach-omap2/devices.c
+++ b/arch/arm/mach-omap2/devices.c
@@ -37,6 +37,7 @@
 #include "control.h"
 
 #define L3_MODULES_MAX_LEN 12
+#define L3_MODULES 3
 
 static int __init omap3_l3_init(void)
 {
@@ -68,6 +69,37 @@ static int __init omap3_l3_init(void)
 }
 postcore_initcall(omap3_l3_init);
 
+static int __init omap4_l3_init(void)
+{
+	int l, i;
+	struct omap_hwmod *oh[3];
+	struct omap_device *od;
+	char oh_name[L3_MODULES_MAX_LEN];
+
+	/*
+	 * To avoid code running on other OMAPs in
+	 * multi-omap builds
+	 */
+	if (!(cpu_is_omap44xx()))
+		return -ENODEV;
+
+	for (i = 0; i < L3_MODULES; i++) {
+		l = snprintf(oh_name, L3_MODULES_MAX_LEN, "l3_main_%d", i+1);
+
+		oh[i] = omap_hwmod_lookup(oh_name);
+		if (!(oh[i]))
+			pr_err("could not look up %s\n", oh_name);
+	}
+
+	od = omap_device_build_ss("omap_l3_noc", 0, oh, 3, NULL,
+						     0, NULL, 0, 0);
+
+	WARN(IS_ERR(od), "could not build omap_device for %s\n", oh_name);
+
+	return PTR_ERR(od);
+}
+postcore_initcall(omap4_l3_init);
+
 #if defined(CONFIG_VIDEO_OMAP2) || defined(CONFIG_VIDEO_OMAP2_MODULE)
 
 static struct resource cam_resources[] = {