Merge branch 'ux500-core' of git://git.kernel.org/pub/scm/linux/kerne…

…l/git/linusw/linux-stericsson into next/soc

From Linus Walleij <linus.walleij@linaro.org>:

"Two small commits for v3.8 that I'd like to make sure
land in ARM SoC before I begin with all the other stuff."

* 'ux500-core' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-stericsson:
  ARM: ux500: add DB serial number to entropy pool
  ARM: ux500: support the HREFP520 board variant

Signed-off-by: Arnd Bergmann <arnd@arndb.de>

arch/arm/mach-ux500/board-mop500.c

@@ -1,6 +1,5 @@
-
 /*
- * Copyright (C) 2008-2009 ST-Ericsson
+ * Copyright (C) 2008-2012 ST-Ericsson
  *
  * Author: Srinidhi KASAGAR <srinidhi.kasagar@stericsson.com>
  *
@@ -701,6 +700,16 @@ MACHINE_START(U8500, "ST-Ericsson MOP500 platform")
 	.init_late	= ux500_init_late,
 MACHINE_END
 
+MACHINE_START(U8520, "ST-Ericsson U8520 Platform HREFP520")
+	.atag_offset	= 0x100,
+	.map_io		= u8500_map_io,
+	.init_irq	= ux500_init_irq,
+	.timer		= &ux500_timer,
+	.handle_irq	= gic_handle_irq,
+	.init_machine	= mop500_init_machine,
+	.init_late	= ux500_init_late,
+MACHINE_END
+
 MACHINE_START(HREFV60, "ST-Ericsson U8500 Platform HREFv60+")
 	.atag_offset	= 0x100,
 	.smp		= smp_ops(ux500_smp_ops),

arch/arm/mach-ux500/cpu-db8500.c

@@ -17,14 +17,15 @@
 #include <linux/platform_device.h>
 #include <linux/io.h>
 #include <linux/mfd/abx500/ab8500.h>
+#include <linux/platform_data/usb-musb-ux500.h>
+#include <linux/random.h>
 
 #include <asm/pmu.h>
 #include <asm/mach/map.h>
 #include <plat/gpio-nomadik.h>
 #include <mach/hardware.h>
 #include <mach/setup.h>
 #include <mach/devices.h>
-#include <linux/platform_data/usb-musb-ux500.h>
 #include <mach/db8500-regs.h>
 
 #include "devices-db8500.h"
@@ -187,6 +188,8 @@ static const char *db8500_read_soc_id(void)
 {
 	void __iomem *uid = __io_address(U8500_BB_UID_BASE);
 
+	/* Throw these device-specific numbers into the entropy pool */
+	add_device_randomness(uid, 0x14);
 	return kasprintf(GFP_KERNEL, "%08x%08x%08x%08x%08x",
 			 readl((u32 *)uid+1),
 			 readl((u32 *)uid+1), readl((u32 *)uid+2),