From c58de0d80efb3c89802f741e8c299de793a30d0d Mon Sep 17 00:00:00 2001
From: Martin Stein <martin.stein@genode-labs.com>
Date: Fri, 14 Aug 2015 15:02:20 +0200
Subject: [PATCH] hw_panda: driver for Cortex-A9 wakeup generator

Ref #1312
---
 .../core/include/spec/panda/cortex_a9_wugen.h | 56 +++++++++++++++++++
 .../include/spec/panda/drivers/board_base.h   |  6 +-
 2 files changed, 60 insertions(+), 2 deletions(-)
 create mode 100644 repos/base-hw/src/core/include/spec/panda/cortex_a9_wugen.h

diff --git a/repos/base-hw/src/core/include/spec/panda/cortex_a9_wugen.h b/repos/base-hw/src/core/include/spec/panda/cortex_a9_wugen.h
new file mode 100644
index 0000000000..b231867fc9
--- /dev/null
+++ b/repos/base-hw/src/core/include/spec/panda/cortex_a9_wugen.h
@@ -0,0 +1,56 @@
+/*
+ * \brief   Cortex-A9 Wake-Up Generator
+ * \author  Martin Stein
+ * \date    2015-08-14
+ */
+
+/*
+ * Copyright (C) 2015 Genode Labs GmbH
+ *
+ * This file is part of the Genode OS framework, which is distributed
+ * under the terms of the GNU General Public License version 2.
+ */
+
+#ifndef CORTEX_A9_WUGEN_H
+#define CORTEX_A9_WUGEN_H
+
+/* base includes */
+#include <unmanaged_singleton.h>
+
+/* Genode includes */
+#include <drivers/board_base.h>
+
+namespace Genode { class Cortex_a9_wugen; }
+
+/**
+ * Cortex_a9 Wake-Up Generator
+ */
+class Genode::Cortex_a9_wugen : Mmio
+{
+	friend Unmanaged_singleton_constructor;
+
+	private:
+
+		struct Aux_core_boot_0 : Register<0x800, 32> {
+			struct Cpu1_status : Bitfield<2, 2> { }; };
+
+		struct Aux_core_boot_1 : Register<0x804, 32> { };
+
+		Cortex_a9_wugen() : Mmio(Board_base::CORTEX_A9_WUGEN_MMIO_BASE) { }
+
+	public:
+
+		static Cortex_a9_wugen * singleton() {
+			return unmanaged_singleton<Cortex_a9_wugen>(); }
+
+		/**
+		 * Start CPU 1 with instruction pointer 'ip'
+		 */
+		void init_cpu_1(void * const ip)
+		{
+			write<Aux_core_boot_1>((addr_t)ip);
+			write<Aux_core_boot_0::Cpu1_status>(1);
+		}
+};
+
+#endif /* CORTEX_A9_WUGEN_H */
diff --git a/repos/base/include/spec/panda/drivers/board_base.h b/repos/base/include/spec/panda/drivers/board_base.h
index e2362145f8..8e8aa03e07 100644
--- a/repos/base/include/spec/panda/drivers/board_base.h
+++ b/repos/base/include/spec/panda/drivers/board_base.h
@@ -56,9 +56,11 @@ struct Genode::Board_base
 		GP_TIMER_3_IRQ = 71,
 
 		/* CPU */
-		CORTEX_A9_PRIVATE_MEM_BASE = 0x48240000,
-		CORTEX_A9_PRIVATE_MEM_SIZE = 0x00002000,
+		CORTEX_A9_PRIVATE_MEM_BASE  = 0x48240000,
+		CORTEX_A9_PRIVATE_MEM_SIZE  = 0x00002000,
 		CORTEX_A9_PRIVATE_TIMER_CLK = 350000000,
+		CORTEX_A9_WUGEN_MMIO_BASE   = 0x48281000,
+		CORTEX_A9_SCU_MMIO_BASE     = 0x48240000,
 
 		/* L2 cache */
 		PL310_MMIO_BASE = 0x48242000,