[PATCH 5/5] Raspberry-Pi: add support

Carlo Caione carlo.caione at gmail.com
Thu Oct 11 17:52:11 EDT 2012


Signed-off-by: Carlo Caione <carlo.caione at gmail.com>
---
 arch/arm/Makefile                                  |  1 +
 arch/arm/boards/raspberry-pi/Kconfig               | 10 ++++
 arch/arm/boards/raspberry-pi/Makefile              |  1 +
 arch/arm/boards/raspberry-pi/config.h              |  4 ++
 .../arm/boards/raspberry-pi/env/init/bootargs-base |  8 +++
 arch/arm/boards/raspberry-pi/env/init/hostname     |  8 +++
 arch/arm/boards/raspberry-pi/rpi.c                 | 58 ++++++++++++++++++++++
 arch/arm/configs/rpi_defconfig                     | 40 +++++++++++++++
 8 files changed, 130 insertions(+)
 create mode 100644 arch/arm/boards/raspberry-pi/Kconfig
 create mode 100644 arch/arm/boards/raspberry-pi/Makefile
 create mode 100644 arch/arm/boards/raspberry-pi/config.h
 create mode 100644 arch/arm/boards/raspberry-pi/env/init/bootargs-base
 create mode 100644 arch/arm/boards/raspberry-pi/env/init/hostname
 create mode 100644 arch/arm/boards/raspberry-pi/rpi.c
 create mode 100644 arch/arm/configs/rpi_defconfig

diff --git a/arch/arm/Makefile b/arch/arm/Makefile
index 2ea11d6..adfe590 100644
--- a/arch/arm/Makefile
+++ b/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
diff --git a/arch/arm/boards/raspberry-pi/Kconfig b/arch/arm/boards/raspberry-pi/Kconfig
new file mode 100644
index 0000000..3ac8829
--- /dev/null
+++ b/arch/arm/boards/raspberry-pi/Kconfig
@@ -0,0 +1,10 @@
+if MACH_RPI
+
+config ARCH_TEXT_BASE
+	hex
+	default 0x04000000
+
+config BOARDINFO
+	default "RaspberryPi (BCM2835/ARM1176JZF-S)"
+
+endif
diff --git a/arch/arm/boards/raspberry-pi/Makefile b/arch/arm/boards/raspberry-pi/Makefile
new file mode 100644
index 0000000..6ce5ede
--- /dev/null
+++ b/arch/arm/boards/raspberry-pi/Makefile
@@ -0,0 +1 @@
+obj-$(CONFIG_MACH_RPI) += rpi.o
diff --git a/arch/arm/boards/raspberry-pi/config.h b/arch/arm/boards/raspberry-pi/config.h
new file mode 100644
index 0000000..ca15136
--- /dev/null
+++ b/arch/arm/boards/raspberry-pi/config.h
@@ -0,0 +1,4 @@
+#ifndef __CONFIG_H
+#define __CONFIG_H
+
+#endif	/* __CONFIG_H */
diff --git a/arch/arm/boards/raspberry-pi/env/init/bootargs-base b/arch/arm/boards/raspberry-pi/env/init/bootargs-base
new file mode 100644
index 0000000..d869754
--- /dev/null
+++ b/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"
diff --git a/arch/arm/boards/raspberry-pi/env/init/hostname b/arch/arm/boards/raspberry-pi/env/init/hostname
new file mode 100644
index 0000000..7e8f294
--- /dev/null
+++ b/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
diff --git a/arch/arm/boards/raspberry-pi/rpi.c b/arch/arm/boards/raspberry-pi/rpi.c
new file mode 100644
index 0000000..4d861e4
--- /dev/null
+++ b/arch/arm/boards/raspberry-pi/rpi.c
@@ -0,0 +1,58 @@
+/*
+ * Copyright (C) 2009 Carlo Caione <carlo at 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.
+ *
+ * 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
+ *
+ */
+
+#include <common.h>
+#include <init.h>
+#include <asm/armlinux.h>
+#include <generated/mach-types.h>
+#include <environment.h>
+#include <partition.h>
+#include <sizes.h>
+
+#include <mach/gpio.h>
+#include <mach/core.h>
+#include <mach/platform.h>
+#include <io.h>
+
+static int rpi_mem_init(void)
+{
+	ulong memsize;
+
+	memsize = get_ram_size((ulong *)BCM2835_SDRAM_BASE, SZ_128M);
+	bcm2835_add_device_sdram(memsize);
+	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);
diff --git a/arch/arm/configs/rpi_defconfig b/arch/arm/configs/rpi_defconfig
new file mode 100644
index 0000000..bca3d25
--- /dev/null
+++ b/arch/arm/configs/rpi_defconfig
@@ -0,0 +1,40 @@
+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_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
-- 
1.7.12.3




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