arm: Kirkwood: Basic SOCs support

Kirkwood family controllers are highly integrated SOCs
based on Feroceon-88FR131/Sheeva-88SV131/arm926ejs cpu core.

SOC versions supported:-
1) 88F6281-A0       define CONFIG_KW88F6281_A0
2) 88F6192-A0       define CONFIG_KW88F6192_A0

Other supported features:-
1) get_random_hex() fucntion
2) PCI Express port initialization
3) NS16550 driver support

Contributors:
Yotam Admon <yotam@marvell.com>
Michael Blostein <michaelbl@marvell.com

Reviewed-by: Ronen Shitrit <rshitrit@marvell.com>
Acked-by: Stefan Rose <sr@denx.de>
Signed-off-by: Prafulla Wadaskar <prafulla@marvell.com>
diff --git a/include/asm-arm/arch-kirkwood/kirkwood.h b/include/asm-arm/arch-kirkwood/kirkwood.h
new file mode 100644
index 0000000..d5f25f9
--- /dev/null
+++ b/include/asm-arm/arch-kirkwood/kirkwood.h
@@ -0,0 +1,69 @@
+/*
+ * (C) Copyright 2009
+ * Marvell Semiconductor <www.marvell.com>
+ * Written-by: Prafulla Wadaskar <prafulla@marvell.com>
+ *
+ * Header file for the Marvell's Feroceon CPU core.
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * 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., 51 Franklin Street, Fifth Floor, Boston,
+ * MA 02110-1301 USA
+ */
+
+#ifndef _ASM_ARCH_KIRKWOOD_H
+#define _ASM_ARCH_KIRKWOOD_H
+
+#ifndef __ASSEMBLY__
+#include <asm/types.h>
+#include <asm/io.h>
+#endif /* __ASSEMBLY__ */
+
+#if defined (CONFIG_FEROCEON_88FR131) || defined (CONFIG_SHEEVA_88SV131)
+#include <asm/arch/cpu.h>
+
+/* SOC specific definations */
+#define INTREG_BASE			0xd0000000
+#define KW_REGISTER(x)			(KW_REGS_PHY_BASE + x)
+#define KW_OFFSET_REG			(INTREG_BASE + 0x20080)
+
+/* undocumented registers */
+#define KW_REG_UNDOC_0x1470		(KW_REGISTER(0x1470))
+#define KW_REG_UNDOC_0x1478		(KW_REGISTER(0x1478))
+
+#define KW_UART0_BASE			(KW_REGISTER(0x12000))
+#define KW_UART1_BASE			(KW_REGISTER(0x13000))
+#define KW_MPP_BASE			(KW_REGISTER(0x10000))
+#define KW_GPIO0_BASE			(KW_REGISTER(0x10100))
+#define KW_GPIO1_BASE			(KW_REGISTER(0x10140))
+#define KW_NANDF_BASE			(KW_REGISTER(0x10418))
+#define KW_SPI_BASE			(KW_REGISTER(0x10600))
+#define KW_CPU_WIN_BASE			(KW_REGISTER(0x20000))
+#define KW_CPU_REG_BASE			(KW_REGISTER(0x20100))
+#define KW_TIMER_BASE			(KW_REGISTER(0x20300))
+#define KW_REG_PCIE_BASE		(KW_REGISTER(0x40000))
+#define KW_EGIGA0_BASE			(KW_REGISTER(0x72000))
+#define KW_EGIGA1_BASE			(KW_REGISTER(0x76000))
+
+#if defined (CONFIG_KW88F6281)
+#include <asm/arch/kw88f6281.h>
+#elif defined (CONFIG_KW88F6192)
+#include <asm/arch/kw88f6192.h>
+#else
+#error "SOC Name not defined"
+#endif /* CONFIG_KW88F6281 */
+#endif /* CONFIG_FEROCEON_88FR131 */
+#endif /* _ASM_ARCH_KIRKWOOD_H */