From f82e939fb75ad01da8f0d3024fc678111ddb4ac7 Mon Sep 17 00:00:00 2001
From: Johannes Weiner <jw@emlix.com>
Date: Wed, 4 Mar 2009 16:21:33 +0100
Subject: xtensa: platform: s6105

Support for the S6105 IP Camera Reference Design Kit.

Signed-off-by: Johannes Weiner <jw@emlix.com>
Signed-off-by: Oskar Schirmer <os@emlix.com>
Signed-off-by: Chris Zankel <chris@zankel.net>
---
 arch/xtensa/platforms/s6105/setup.c | 61 +++++++++++++++++++++++++++++++++++++
 1 file changed, 61 insertions(+)
 create mode 100644 arch/xtensa/platforms/s6105/setup.c

(limited to 'arch/xtensa/platforms/s6105/setup.c')

diff --git a/arch/xtensa/platforms/s6105/setup.c b/arch/xtensa/platforms/s6105/setup.c
new file mode 100644
index 00000000000..ae041d5027a
--- /dev/null
+++ b/arch/xtensa/platforms/s6105/setup.c
@@ -0,0 +1,61 @@
+/*
+ * s6105 control routines
+ *
+ * Copyright (c) 2009 emlix GmbH
+ */
+#include <linux/irq.h>
+#include <linux/io.h>
+#include <linux/gpio.h>
+
+#include <asm/bootparam.h>
+
+#include <variant/hardware.h>
+#include <platform/gpio.h>
+
+void platform_halt(void)
+{
+	local_irq_disable();
+	while (1)
+		;
+}
+
+void platform_power_off(void)
+{
+	platform_halt();
+}
+
+void platform_restart(void)
+{
+	platform_halt();
+}
+
+void __init platform_setup(char **cmdline)
+{
+	unsigned long reg;
+
+	reg = readl(S6_REG_GREG1 + S6_GREG1_CLKGATE);
+	reg &= ~(1 << S6_GREG1_BLOCK_SB);
+	writel(reg, S6_REG_GREG1 + S6_GREG1_CLKGATE);
+
+	reg = readl(S6_REG_GREG1 + S6_GREG1_BLOCKENA);
+	reg |= 1 << S6_GREG1_BLOCK_SB;
+	writel(reg, S6_REG_GREG1 + S6_GREG1_BLOCKENA);
+
+	printk(KERN_NOTICE "S6105 on Stretch S6000 - "
+		"Copyright (C) 2009 emlix GmbH <info@emlix.com>\n");
+}
+
+void __init platform_init(bp_tag_t *first)
+{
+	gpio_request(GPIO_LED1_NGREEN, "led1_green");
+	gpio_request(GPIO_LED1_RED, "led1_red");
+	gpio_direction_output(GPIO_LED1_NGREEN, 1);
+}
+
+void platform_heartbeat(void)
+{
+	static unsigned int c;
+
+	if (!(++c & 0x4F))
+		gpio_direction_output(GPIO_LED1_RED, !(c & 0x10));
+}
-- 
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