[ARM] mmp: avengers lite (pxa168) board bring up

Signed-off-by: Gavin Gu <gavin.gu@marvell.com>
Signed-off-by: Jing Xiang <jxiang@marvell.com>
Signed-off-by: Jack Ren <jack.ren@marvell.com>
Signed-off-by: Haojian Zhuang <haojian.zhuang@marvell.com>
Signed-off-by: Eric Miao <eric.y.miao@gmail.com>

arch/arm/mach-mmp/Kconfig

@@ -16,6 +16,13 @@ config MACH_ZYLONITE2
 	  Say 'Y' here if you want to support the Marvell PXA168-based
 	  Zylonite2 Development Board.
 
+config MACH_AVENGERS_LITE
+	bool "Marvell's PXA168 Avengers Lite Development Board"
+	select CPU_PXA168
+	help
+	  Say 'Y' here if you want to support the Marvell PXA168-based
+	  Avengers Lite Development Board.
+
 config MACH_TAVOREVB
 	bool "Marvell's PXA910 TavorEVB Development Board"
 	select CPU_PXA910

arch/arm/mach-mmp/Makefile

@@ -11,5 +11,6 @@ obj-$(CONFIG_CPU_PXA910)	+= pxa910.o
 # board support
 obj-$(CONFIG_MACH_ASPENITE)	+= aspenite.o
 obj-$(CONFIG_MACH_ZYLONITE2)	+= aspenite.o
+obj-$(CONFIG_MACH_AVENGERS_LITE)+= avengers_lite.o
 obj-$(CONFIG_MACH_TAVOREVB)	+= tavorevb.o
 obj-$(CONFIG_MACH_TTC_DKB)	+= ttc_dkb.o

arch/arm/mach-mmp/avengers_lite.c

@@ -0,0 +1,51 @@
+/*
+ *  linux/arch/arm/mach-mmp/avengers_lite.c
+ *
+ *  Support for the Marvell PXA168-based Avengers lite Development Platform.
+ *
+ *  Copyright (C) 2009-2010 Marvell International Ltd.
+ *
+ *  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
+ *  publishhed by the Free Software Foundation.
+ */
+
+#include <linux/init.h>
+#include <linux/kernel.h>
+#include <linux/platform_device.h>
+
+#include <asm/mach-types.h>
+#include <asm/mach/arch.h>
+#include <mach/addr-map.h>
+#include <mach/mfp-pxa168.h>
+#include <mach/pxa168.h>
+#include <mach/irqs.h>
+
+
+#include "common.h"
+#include <linux/delay.h>
+
+/* Avengers lite MFP configurations */
+static unsigned long avengers_lite_pin_config_V16F[] __initdata = {
+	/* DEBUG_UART */
+	GPIO88_UART2_TXD,
+	GPIO89_UART2_RXD,
+};
+
+static void __init avengers_lite_init(void)
+{
+	mfp_config(ARRAY_AND_SIZE(avengers_lite_pin_config_V16F));
+
+	/* on-chip devices */
+	pxa168_add_uart(2);
+}
+
+MACHINE_START(AVENGERS_LITE, "PXA168 Avengers lite Development Platform")
+	.phys_io        = APB_PHYS_BASE,
+	.boot_params    = 0x00000100,
+	.io_pg_offst    = (APB_VIRT_BASE >> 18) & 0xfffc,
+	.map_io		= pxa_map_io,
+	.init_irq       = pxa168_init_irq,
+	.timer          = &pxa168_timer,
+	.init_machine   = avengers_lite_init,
+MACHINE_END

arch/arm/mach-mmp/include/mach/mfp-pxa168.h

@@ -193,7 +193,9 @@
 #define GPIO32_CF_nCD1		MFP_CFG(GPIO32, AF3)
 #define GPIO33_CF_nCD2		MFP_CFG(GPIO33, AF3)
 
-/* UART1 */
+/* UART */
+#define GPIO88_UART2_TXD	MFP_CFG(GPIO88, AF2)
+#define GPIO89_UART2_RXD	MFP_CFG(GPIO89, AF2)
 #define GPIO107_UART1_TXD	MFP_CFG_DRV(GPIO107, AF1, FAST)
 #define GPIO107_UART1_RXD	MFP_CFG_DRV(GPIO107, AF2, FAST)
 #define GPIO108_UART1_RXD	MFP_CFG_DRV(GPIO108, AF1, FAST)

arch/arm/mach-mmp/include/mach/uncompress.h

@@ -8,15 +8,16 @@
 
 #include <linux/serial_reg.h>
 #include <mach/addr-map.h>
+#include <asm/mach-types.h>
 
 #define UART1_BASE	(APB_PHYS_BASE + 0x36000)
 #define UART2_BASE	(APB_PHYS_BASE + 0x17000)
 #define UART3_BASE	(APB_PHYS_BASE + 0x18000)
 
+static volatile unsigned long *UART = (unsigned long *)UART2_BASE;
+
 static inline void putc(char c)
 {
-	volatile unsigned long *UART = (unsigned long *)UART2_BASE;
-
 	/* UART enabled? */
 	if (!(UART[UART_IER] & UART_IER_UUE))
 		return;
@@ -34,8 +35,14 @@ static inline void flush(void)
 {
 }
 
+static inline void arch_decomp_setup(void)
+{
+	if (machine_is_avengers_lite())
+		UART = (unsigned long *)UART3_BASE;
+}
+
 /*
  * nothing to do
  */
-#define arch_decomp_setup()
+
 #define arch_decomp_wdog()