[PATCH 3/5] Add support for Raspberry-Pi
Carlo Caione
carlo.caione at gmail.com
Mon Oct 8 18:07:39 EDT 2012
Signed-off-by: Carlo Caione <carlo.caione at gmail.com>
---
arch/arm/Makefile | 1 +
arch/arm/boards/raspberry-pi/Makefile | 1 +
arch/arm/boards/raspberry-pi/config.h | 4 ++
arch/arm/boards/raspberry-pi/env/config | 1 +
.../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 | 42 ++++++++++++++++
arch/arm/mach-bcm2835/Kconfig | 22 ++++++++
9 files changed, 145 insertions(+)
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/config
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
create mode 100644 arch/arm/mach-bcm2835/Kconfig
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/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/config b/arch/arm/boards/raspberry-pi/env/config
new file mode 100644
index 0000000..1a24852
--- /dev/null
+++ b/arch/arm/boards/raspberry-pi/env/config
@@ -0,0 +1 @@
+#!/bin/sh
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..1719e9c
--- /dev/null
+++ b/arch/arm/configs/rpi_defconfig
@@ -0,0 +1,42 @@
+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_DRIVER_NET_SMC91111=y
+CONFIG_FS_CRAMFS=y
+CONFIG_SHA1=y
+CONFIG_SHA256=y
diff --git a/arch/arm/mach-bcm2835/Kconfig b/arch/arm/mach-bcm2835/Kconfig
new file mode 100644
index 0000000..9591004
--- /dev/null
+++ b/arch/arm/mach-bcm2835/Kconfig
@@ -0,0 +1,22 @@
+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)"
+ select ARM_AMBA
+ select CLKDEV_LOOKUP
+
+endchoice
+
+
+endif
--
1.7.12.2
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