Raspberry-Pi: add support (board)

Tested-By: Jan Luebbe <jlu@pengutronix.de>
Signed-off-by: Carlo Caione <carlo.caione@gmail.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>

arch/arm/Makefile

@@ -113,6 +113,7 @@ board-$(CONFIG_MACH_PCM043)			:= pcm043
 board-$(CONFIG_MACH_PM9261)			:= pm9261
 board-$(CONFIG_MACH_PM9263)			:= pm9263
 board-$(CONFIG_MACH_PM9G45)			:= pm9g45
+board-$(CONFIG_MACH_RPI)			:= raspberry-pi
 board-$(CONFIG_MACH_SCB9328)			:= scb9328
 board-$(CONFIG_MACH_NESO)			:= guf-neso
 board-$(CONFIG_MACH_MX23EVK)			:= freescale-mx23-evk

arch/arm/boards/raspberry-pi/Makefile

@@ -0,0 +1 @@
+obj-$(CONFIG_MACH_RPI) += rpi.o

arch/arm/boards/raspberry-pi/config.h

@@ -0,0 +1,4 @@
+#ifndef __CONFIG_H
+#define __CONFIG_H
+
+#endif	/* __CONFIG_H */

arch/arm/boards/raspberry-pi/env/init/bootargs-base

@@ -0,0 +1,8 @@
+#!/bin/sh
+
+if [ "$1" = menu ]; then
+	init-menu-add-entry "$0" "Base bootargs"
+	exit
+fi
+
+global.linux.bootargs.base="console=ttymxc0,115200"

arch/arm/boards/raspberry-pi/env/init/hostname

@@ -0,0 +1,8 @@
+#!/bin/sh
+
+if [ "$1" = menu ]; then
+	init-menu-add-entry "$0" "hostname"
+	exit
+fi
+
+global.hostname=Raspberry-Pi

arch/arm/boards/raspberry-pi/rpi.c

@@ -0,0 +1,44 @@
+/*
+ * Copyright (C) 2009 Carlo Caione <carlo@carlocaione.org>
+ *
+ * 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.
+ *
+ */
+
+#include <common.h>
+#include <init.h>
+#include <asm/armlinux.h>
+#include <generated/mach-types.h>
+
+#include <mach/core.h>
+
+static int rpi_mem_init(void)
+{
+	bcm2835_add_device_sdram(0);
+	return 0;
+}
+mem_initcall(rpi_mem_init);
+
+static int rpi_console_init(void)
+{
+	bcm2835_register_uart();
+	return 0;
+}
+console_initcall(rpi_console_init);
+
+static int rpi_devices_init(void)
+{
+	armlinux_set_architecture(MACH_TYPE_BCM2708);
+	armlinux_set_bootparams((void *)(0x00000100));
+	return 0;
+}
+
+device_initcall(rpi_devices_init);

arch/arm/configs/rpi_defconfig

@@ -0,0 +1,41 @@
+CONFIG_ARCH_BCM2835=y
+CONFIG_GPIO_BCM2835=y
+CONFIG_ARM_OPTIMZED_STRING_FUNCTIONS=y
+CONFIG_PROMPT="R-Pi> "
+CONFIG_LONGHELP=y
+CONFIG_GLOB=y
+CONFIG_HUSH_FANCY_PROMPT=y
+CONFIG_CMDLINE_EDITING=y
+CONFIG_AUTO_COMPLETE=y
+CONFIG_MENU=y
+CONFIG_PARTITION=y
+CONFIG_DEFAULT_ENVIRONMENT_GENERIC_NEW=y
+CONFIG_DEFAULT_ENVIRONMENT_PATH="arch/arm/boards/raspberry-pi/env"
+CONFIG_CMD_EDIT=y
+CONFIG_CMD_SLEEP=y
+CONFIG_CMD_SAVEENV=y
+CONFIG_CMD_LOADENV=y
+CONFIG_CMD_EXPORT=y
+CONFIG_CMD_PRINTENV=y
+CONFIG_CMD_READLINE=y
+CONFIG_CMD_MENU=y
+CONFIG_CMD_MENU_MANAGEMENT=y
+CONFIG_CMD_PASSWD=y
+CONFIG_CMD_ECHO_E=y
+CONFIG_CMD_LOADB=y
+CONFIG_CMD_MEMINFO=y
+CONFIG_CMD_MTEST=y
+CONFIG_CMD_MTEST_ALTERNATIVE=y
+CONFIG_CMD_BOOTM_ZLIB=y
+CONFIG_CMD_BOOTM_BZLIB=y
+CONFIG_CMD_BOOTM_SHOW_TYPE=y
+CONFIG_CMD_RESET=y
+CONFIG_CMD_CLK=y
+CONFIG_CMD_GO=y
+CONFIG_CMD_TIMEOUT=y
+CONFIG_CMD_PARTITION=y
+CONFIG_CMD_UNCOMPRESS=y
+CONFIG_CMD_GPIO=y
+CONFIG_SERIAL_AMBA_PL011=y
+CONFIG_SHA1=y
+CONFIG_SHA256=y

arch/arm/mach-bcm2835/Kconfig

@@ -1,3 +1,18 @@
 if ARCH_BCM2835
 
+config ARCH_TEXT_BASE
+	hex
+	default 0x04000000 if MACH_RPI
+
+config BOARDINFO
+	default "RaspberryPi (BCM2835/ARM1176JZF-S)" if MACH_RPI
+
+choice
+	prompt "Broadcom Board type"
+
+config MACH_RPI
+	bool "RaspberryPi (BCM2835/ARM1176JZF-S)"
+
+endchoice
+
 endif