ARM: 5831/1: ARM: U8500 core machine support

Adds core support for the ST-Ericsson U8500
platform. It supports memory mappings, binds to
the existing modules like GIC, SCU, TWD and
local timers and sets up the infrastructure for
the secondary core.

Reviewed-by: Alessandro Rubini <rubini@unipv.it>
Reviewed-by: Linus Walleij <linus.walleij@stericsson.com>
Signed-off-by: srinidhi kasagar <srinidhi.kasagar@stericsson.com>
Acked-by: Andrea Gallo <andrea.gallo@stericsson.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>

1 files changed, 58 insertions, 0 deletions

diff --git a/arch/arm/mach-ux500/include/mach/uncompress.h b/arch/arm/mach-ux500/include/mach/uncompress.h
new file mode 100644
index 0000000..8552eb1
--- /dev/null
+++ b/arch/arm/mach-ux500/include/mach/uncompress.h
@@ -0,0 +1,58 @@
+/*
+ *  Copyright (C) 2009 ST-Ericsson
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ */
+#ifndef __ASM_ARCH_UNCOMPRESS_H
+#define __ASM_ARCH_UNCOMPRESS_H
+
+#include <asm/setup.h>
+#include <linux/io.h>
+#include <mach/hardware.h>
+
+#define U8500_UART_DR		0x80007000
+#define U8500_UART_LCRH		0x8000702c
+#define U8500_UART_CR		0x80007030
+#define U8500_UART_FR		0x80007018
+
+static void putc(const char c)
+{
+	/* Do nothing if the UART is not enabled. */
+	if (!(readb(U8500_UART_CR) & 0x1))
+		return;
+
+	if (c == '\n')
+		putc('\r');
+
+	while (readb(U8500_UART_FR) & (1 << 5))
+		barrier();
+	writeb(c, U8500_UART_DR);
+}
+
+static void flush(void)
+{
+	if (!(readb(U8500_UART_CR) & 0x1))
+		return;
+	while (readb(U8500_UART_FR) & (1 << 3))
+		barrier();
+}
+
+static inline void arch_decomp_setup(void)
+{
+}
+
+#define arch_decomp_wdog() /* nothing to do here */
+
+#endif /* __ASM_ARCH_UNCOMPRESS_H */