[ARM] 4331/3: Support for Micrel/Kendin KS8695 processor

Add core support for the Kendin/Micrel KS8695 processor family.

It is an ARM922-T based SoC with integrated USART, 4-port Ethernet
Switch, WAN Ethernet port, and optional PCI Host bridge, etc.
 http://www.micrel.com/page.do?page=product-info/sys_on_chip.jsp

This patch is based on earlier patches from Lennert Buytenhek, Ben
Dooks and Greg Ungerer posted to the arm-linux-kernel mailing list in
March 2006;  and Micrel's 2.6.9 port.

Signed-off-by: Andrew Victor <andrew@sanpeople.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>

1 files changed, 48 insertions, 0 deletions

diff --git a/include/asm-arm/arch-ks8695/system.h b/include/asm-arm/arch-ks8695/system.h
new file mode 100644
index 000000000000..3bc28106d937
--- /dev/null
+++ b/include/asm-arm/arch-ks8695/system.h
@@ -0,0 +1,48 @@
+/*
+ * include/asm-arm/arch-s3c2410/system.h
+ *
+ * Copyright (C) 2006 Simtec Electronics
+ *      Ben Dooks <ben@simtec.co.uk>
+ *
+ * KS8695 - System function defines and includes
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#ifndef __ASM_ARCH_SYSTEM_H
+#define __ASM_ARCH_SYSTEM_H
+
+#include <asm/io.h>
+#include <asm/arch/regs-timer.h>
+
+static void arch_idle(void)
+{
+        /*
+         * This should do all the clock switching
+         * and wait for interrupt tricks,
+         */
+        cpu_do_idle();
+
+}
+
+static void arch_reset(char mode)
+{
+        unsigned int reg;
+
+        if (mode == 's')
+                cpu_reset(0);
+
+        /* disable timer0 */
+        reg = __raw_readl(KS8695_TMR_VA + KS8695_TMCON);
+        __raw_writel(reg & ~TMCON_T0EN, KS8695_TMR_VA + KS8695_TMCON);
+
+        /* enable watchdog mode */
+        __raw_writel((10 << 8) | T0TC_WATCHDOG, KS8695_TMR_VA + KS8695_T0TC);
+
+        /* re-enable timer0 */
+        __raw_writel(reg | TMCON_T0EN, KS8695_TMR_VA + KS8695_TMCON);
+}
+
+#endif