at91: Support for at91sam9g45 and at91sam9m10 series: core chip & board support

Here are the at91 specific files dedicated to the at91sam9g45 series. They
mimic the traditional at91 way of managing chips & boards.

The first board that embeds at91sam9g45 chip is the AT91SAM9M10G45-EK. In
the future, we will add the m10 and other boards revisions

Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>

4 files changed, 164 insertions, 0 deletions

diff --git a/arch/arm/boards/at91sam9m10g45ek/Makefile b/arch/arm/boards/at91sam9m10g45ek/Makefile
new file mode 100644
index 0000000000..eb072c0161
--- /dev/null
+++ b/arch/arm/boards/at91sam9m10g45ek/Makefile
@@ -0,0 +1 @@
+obj-y += init.o
diff --git a/arch/arm/boards/at91sam9m10g45ek/config.h b/arch/arm/boards/at91sam9m10g45ek/config.h
new file mode 100644
index 0000000000..ac3114d865
--- /dev/null
+++ b/arch/arm/boards/at91sam9m10g45ek/config.h
@@ -0,0 +1,6 @@
+#ifndef __CONFIG_H
+#define __CONFIG_H
+
+#define AT91_MAIN_CLOCK		12000000	/* from 12 MHz crystal */
+
+#endif	/* __CONFIG_H */
diff --git a/arch/arm/boards/at91sam9m10g45ek/env/config b/arch/arm/boards/at91sam9m10g45ek/env/config
new file mode 100644
index 0000000000..3b922339fa
--- /dev/null
+++ b/arch/arm/boards/at91sam9m10g45ek/env/config
@@ -0,0 +1,41 @@
+#!/bin/sh
+
+# use 'dhcp' to do dhcp in barebox and in kernel
+# use 'none' if you want to skip kernel ip autoconfiguration
+ip=dhcp
+
+# or set your networking parameters here
+#eth0.ipaddr=a.b.c.d
+#eth0.netmask=a.b.c.d
+#eth0.gateway=a.b.c.d
+#eth0.serverip=a.b.c.d
+
+# can be either 'net' or 'nand'
+kernel_loc=net
+# can be either 'net', 'nand' or 'initrd'
+rootfs_loc=net
+
+# can be either 'jffs2' or 'ubifs'
+rootfs_type=ubifs
+rootfsimage=root.$rootfs_type
+
+# The image type of the kernel. Can be uimage, zimage, raw, or raw_lzo
+#kernelimage_type=zimage
+#kernelimage=zImage
+kernelimage_type=uimage
+kernelimage=uImage
+#kernelimage_type=raw
+#kernelimage=Image
+#kernelimage_type=raw_lzo
+#kernelimage=Image.lzo
+
+nand_parts="256k(barebox)ro,64k(bareboxenv),1536k(kernel),-(root)"
+rootfs_mtdblock_nand=3
+
+autoboot_timeout=3
+
+bootargs="console=ttyS0,115200"
+
+# set a fancy prompt (if support is compiled in)
+PS1="\e[1;32mbarebox@\e[1;31m\h:\w\e[0m "
+
diff --git a/arch/arm/boards/at91sam9m10g45ek/init.c b/arch/arm/boards/at91sam9m10g45ek/init.c
new file mode 100644
index 0000000000..bb8b7bada6
--- /dev/null
+++ b/arch/arm/boards/at91sam9m10g45ek/init.c
@@ -0,0 +1,116 @@
+/*
+ * Copyright (C) 2009 Jean-Christophe PLAGNIOL-VILLARD <plagnio@jcrosoft.com>
+ *
+ * Copyright (C) 2007 Sascha Hauer, Pengutronix
+ *
+ * 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 <net.h>
+#include <init.h>
+#include <environment.h>
+#include <asm/armlinux.h>
+#include <generated/mach-types.h>
+#include <partition.h>
+#include <fs.h>
+#include <fcntl.h>
+#include <asm/io.h>
+#include <asm/hardware.h>
+#include <nand.h>
+#include <linux/mtd/nand.h>
+#include <mach/at91_pmc.h>
+#include <mach/board.h>
+#include <mach/gpio.h>
+#include <mach/io.h>
+#include <mach/at91sam9_smc.h>
+#include <mach/sam9_smc.h>
+
+static struct atmel_nand_data nand_pdata = {
+	.ale		= 21,
+	.cle		= 22,
+/*	.det_pin	= ... not connected */
+	.rdy_pin	= AT91_PIN_PC8,
+	.enable_pin	= AT91_PIN_PC14,
+#if defined(CONFIG_MTD_NAND_ATMEL_BUSWIDTH_16)
+	.bus_width_16	= 1,
+#else
+	.bus_width_16	= 0,
+#endif
+};
+
+static struct sam9_smc_config ek_nand_smc_config = {
+	.ncs_read_setup		= 0,
+	.nrd_setup		= 2,
+	.ncs_write_setup	= 0,
+	.nwe_setup		= 2,
+
+	.ncs_read_pulse		= 4,
+	.nrd_pulse		= 4,
+	.ncs_write_pulse	= 4,
+	.nwe_pulse		= 4,
+
+	.read_cycle		= 7,
+	.write_cycle		= 7,
+
+	.mode			= AT91_SMC_READMODE | AT91_SMC_WRITEMODE | AT91_SMC_EXNWMODE_DISABLE,
+	.tdf_cycles		= 3,
+};
+
+static void ek_add_device_nand(void)
+{
+	/* setup bus-width (8 or 16) */
+	if (nand_pdata.bus_width_16)
+		ek_nand_smc_config.mode |= AT91_SMC_DBW_16;
+	else
+		ek_nand_smc_config.mode |= AT91_SMC_DBW_8;
+
+	/* configure chip-select 3 (NAND) */
+	sam9_smc_configure(3, &ek_nand_smc_config);
+
+	at91_add_device_nand(&nand_pdata);
+}
+
+static struct at91_ether_platform_data macb_pdata = {
+	.flags = AT91SAM_ETHER_RMII,
+	.phy_addr = 0,
+};
+
+static int at91sam9m10g45ek_devices_init(void)
+{
+	at91_add_device_sdram(128 * 1024 * 1024);
+	ek_add_device_nand();
+	at91_add_device_eth(&macb_pdata);
+
+	devfs_add_partition("nand0", 0x00000, 0x80000, PARTITION_FIXED, "self_raw");
+	dev_add_bb_dev("self_raw", "self0");
+	devfs_add_partition("nand0", 0x40000, 0x40000, PARTITION_FIXED, "env_raw");
+	dev_add_bb_dev("env_raw", "env0");
+
+	armlinux_set_bootparams((void *)(AT91_CHIPSELECT_6 + 0x100));
+	armlinux_set_architecture(MACH_TYPE_AT91SAM9M10G45EK);
+
+	return 0;
+}
+device_initcall(at91sam9m10g45ek_devices_init);
+
+static int at91sam9m10g45ek_console_init(void)
+{
+	at91_register_uart(0, 0);
+	return 0;
+}
+console_initcall(at91sam9m10g45ek_console_init);