ARM/Samsung: add the Tiny6410 platform as a user of the S3C6410 SoC

The Tiny6410 and its base board is a pure development platform.

Signed-off-by: Juergen Beisert <jbe@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>

7 files changed, 279 insertions, 0 deletions

diff --git a/arch/arm/boards/friendlyarm-tiny6410/Kconfig b/arch/arm/boards/friendlyarm-tiny6410/Kconfig
new file mode 100644
index 0000000000..374820f8b3
--- /dev/null
+++ b/arch/arm/boards/friendlyarm-tiny6410/Kconfig
@@ -0,0 +1,19 @@
+if MACH_TINY6410
+
+choice
+	prompt "FriendlyARM Tiny6410 baseboard"
+	help
+	  Since the Tiny6410 is a CPU card only, it requires a basebord to make
+	  it work. Select here the baseboard Barebox should expect and
+	  configure.
+
+config MACH_TINY6410_FA
+	bool
+	select HAS_DM9000
+	prompt "FA development platform"
+	help
+	  FriendlyARM's Tiny6410 evaluation board.
+
+endchoice
+
+endif
diff --git a/arch/arm/boards/friendlyarm-tiny6410/Makefile b/arch/arm/boards/friendlyarm-tiny6410/Makefile
new file mode 100644
index 0000000000..b3ab12eea3
--- /dev/null
+++ b/arch/arm/boards/friendlyarm-tiny6410/Makefile
@@ -0,0 +1,3 @@
+obj-y += tiny6410.o
+
+obj-$(CONFIG_MACH_TINY6410_FA) += development-board.o
diff --git a/arch/arm/boards/friendlyarm-tiny6410/config.h b/arch/arm/boards/friendlyarm-tiny6410/config.h
new file mode 100644
index 0000000000..04f68579ed
--- /dev/null
+++ b/arch/arm/boards/friendlyarm-tiny6410/config.h
@@ -0,0 +1,8 @@
+/* FriendlyARM Tiny6410 specific global settings */
+
+#ifndef _TINY6410_CONFIG_H_
+# define _TINY6410_CONFIG_H_
+
+#define S3C64XX_CLOCK_REFERENCE 12000000
+
+#endif /* _TINY6410_CONFIG_H_ */
diff --git a/arch/arm/boards/friendlyarm-tiny6410/development-board.c b/arch/arm/boards/friendlyarm-tiny6410/development-board.c
new file mode 100644
index 0000000000..bf339d3928
--- /dev/null
+++ b/arch/arm/boards/friendlyarm-tiny6410/development-board.c
@@ -0,0 +1,99 @@
+/*
+ * Copyright (C) 2012 Juergen Beisert
+ *
+ * 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.
+ *
+ * The FriendlyARM's Tiny6410 evaluation board comes with all connectors and
+ * devices to make the Tiny6410 CPU card work. This includes:
+ *
+ * - the DM9000 network controller
+ * - USB/MCI connectors
+ * - display connector
+ *
+ */
+#include <common.h>
+#include <driver.h>
+#include <init.h>
+#include <gpio.h>
+#include <dm9000.h>
+#include <mach/devices-s3c64xx.h>
+#include <mach/s3c-generic.h>
+
+#include "tiny6410.h"
+
+/*
+ * dm9000 network controller onboard
+ * Connected to CS line 1 and interrupt line EINT7,
+ * data width is 16 bit
+ * Area 1: Offset 0x300...0x301
+ * Area 2: Offset 0x304...0x305
+ */
+static struct dm9000_platform_data dm9000_data = {
+	.srom = 0,	/* no serial ROM for the ethernet address */
+};
+
+static const struct s3c6410_chipselect dm900_cs = {
+	.adr_setup_t = 0,
+	.access_setup_t = 0,
+	.access_t = 20,
+	.cs_hold_t = 3,
+	.adr_hold_t = 20, /* CS must be de-asserted for at least 20 ns */
+	.width = 16,
+};
+
+static void tiny6410evk_setup_dm9000_cs(void)
+{
+	s3c6410_setup_chipselect(1, &dm900_cs);
+}
+
+static const unsigned tiny6410evk_pin_usage[] = {
+	/* UART1 (V24) */
+	GPA4_RXD1 | ENABLE_PU,
+	GPA5_TXD1,
+	GPA6_NCTS1 | ENABLE_PU,
+	GPA7_NRTS1,
+	/* UART2 (V24) */
+	GPB0_RXD2 | ENABLE_PU,
+	GPB1_TXD2,
+	/* UART3 (spare, 3,3 V TTL level only) */
+	GPB2_RXD3 | ENABLE_PU,
+	GPB3_TXD3,
+};
+
+static int tiny6410evk_devices_init(void)
+{
+	int i;
+
+	/* init CPU card specific devices first */
+	tiny6410_init("FA EVK");
+
+	/* ----------- configure the access to the outer space ---------- */
+	for (i = 0; i < ARRAY_SIZE(tiny6410evk_pin_usage); i++)
+		s3c_gpio_mode(tiny6410evk_pin_usage[i]);
+
+	tiny6410evk_setup_dm9000_cs();
+	add_dm9000_device(0, S3C_CS1_BASE + 0x300, S3C_CS1_BASE + 0x304,
+				IORESOURCE_MEM_16BIT, &dm9000_data);
+	return 0;
+}
+device_initcall(tiny6410evk_devices_init);
+
+static int tiny6410evk_console_init(void)
+{
+	/* note: UART0 has no RTS/CTS connected */
+	s3c_gpio_mode(GPA0_RXD0 | ENABLE_PU);
+	s3c_gpio_mode(GPA1_TXD0);
+
+	s3c64xx_add_uart1();
+
+	return 0;
+}
+console_initcall(tiny6410evk_console_init);
diff --git a/arch/arm/boards/friendlyarm-tiny6410/env/config b/arch/arm/boards/friendlyarm-tiny6410/env/config
new file mode 100644
index 0000000000..35d0fac334
--- /dev/null
+++ b/arch/arm/boards/friendlyarm-tiny6410/env/config
@@ -0,0 +1,56 @@
+#!/bin/sh
+
+machine=tiny6410
+eth0.serverip=a.b.c.d.e
+user=
+
+# 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.e
+#eth0.netmask=a.b.c.d.e
+#eth0.gateway=a.b.c.d.e
+eth0.ethaddr=08:90:90:90:90:90
+
+# can be either 'nfs', 'tftp' or 'nand'
+kernel_loc=tftp
+# can be either 'net', 'nand' or 'initrd'
+rootfs_loc=net
+
+# can be either 'jffs2' or 'ubifs'
+rootfs_type=ubifs
+rootfsimage=root-${machine}.${rootfs_type}
+
+# The image type of the kernel. Can be uimage, zimage, raw, or raw_lzo
+kernelimage_type=zimage
+kernelimage=zImage-${machine}
+#kernelimage_type=uimage
+#kernelimage=uImage-$machine
+#kernelimage_type=raw
+#kernelimage=Image-$machine
+#kernelimage_type=raw_lzo
+#kernelimage=Image-$machine.lzo
+
+if [ -n $user ]; then
+	kernelimage="${user}"-"${kernelimage}"
+	nfsroot="${eth0.serverip}:/home/${user}/nfsroot/${machine}"
+	rootfsimage="${user}"-"${rootfsimage}"
+else
+	nfsroot="${eth0.serverip}:/path/to/nfs/root"
+fi
+
+autoboot_timeout=3
+
+#
+# "tiny6410" kernel parameter
+# 0 .. 9 = screen type
+# i = touchscreen with propritary FriendlyARM protocol
+# Note: can be "tiny6410= " if nothing of these components are connected
+#
+bootargs="console=ttySAC0,115200 tiny6410=0"
+
+nand_device="nand"
+nand_parts="256k(barebox),128k(bareboxenv),1536k(kernel),-(root)"
+rootfs_mtdblock_nand=3
diff --git a/arch/arm/boards/friendlyarm-tiny6410/tiny6410.c b/arch/arm/boards/friendlyarm-tiny6410/tiny6410.c
new file mode 100644
index 0000000000..db13c066cf
--- /dev/null
+++ b/arch/arm/boards/friendlyarm-tiny6410/tiny6410.c
@@ -0,0 +1,80 @@
+/*
+ * Copyright (C) 2012 Juergen Beisert
+ *
+ * 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 <driver.h>
+#include <init.h>
+#include <gpio.h>
+#include <generated/mach-types.h>
+#include <asm/armlinux.h>
+#include <mach/s3c-iomap.h>
+#include <mach/s3c-generic.h>
+
+static const unsigned tiny6410_pin_usage[] = {
+	/* UART0 */
+	GPA2_GPIO | GPIO_IN | ENABLE_PU, /* CTS not connected */
+	GPA3_GPIO | GPIO_IN | ENABLE_PU, /* RTS not connected */
+
+	/* local bus' D0 ... D15 are always active */
+	/* local bus' A0...A5 are always active */
+
+	/* internal NAND memory */
+	GPO0_NCS2,	/* NAND's first chip select line */
+	/* NAND's second chip select line, not used */
+	GPO1_GPIO | GPIO_OUT | GPIO_VAL(1),
+	GPP3_FALE,
+	GPP4_FCLE,
+	GPP5_FWE,
+	GPP6_FRE,
+	GPP7_RNB, /* external pull-up */
+
+	GPF13_GPIO  | GPIO_OUT | GPIO_VAL(0), /* OTG power supply, 0 = off */
+
+	/* nowhere connected */
+	GPO2_GPIO | GPIO_IN | ENABLE_PU,
+	GPO3_GPIO | GPIO_IN | ENABLE_PU,
+	GPO4_GPIO | GPIO_IN | ENABLE_PU,
+	GPO5_GPIO | GPIO_IN | ENABLE_PU,
+
+	/* local bus address lines 6...15 are nowhere connected */
+	GPO6_GPIO | GPIO_IN | ENABLE_PU,
+	GPO7_GPIO | GPIO_IN | ENABLE_PU,
+	GPO8_GPIO | GPIO_IN | ENABLE_PU,
+	GPO9_GPIO | GPIO_IN | ENABLE_PU,
+	GPO10_GPIO | GPIO_IN | ENABLE_PU,
+	GPO11_GPIO | GPIO_IN | ENABLE_PU,
+	GPO12_GPIO | GPIO_IN | ENABLE_PU,
+	GPO13_GPIO | GPIO_IN | ENABLE_PU,
+	GPO14_GPIO | GPIO_IN | ENABLE_PU,
+	GPO15_GPIO | GPIO_IN | ENABLE_PU,
+};
+
+static int tiny6410_mem_init(void)
+{
+	arm_add_mem_device("ram0", S3C_SDRAM_BASE, s3c6410_get_memory_size());
+
+	return 0;
+}
+mem_initcall(tiny6410_mem_init);
+
+void tiny6410_init(const char *bb_name)
+{
+	int i;
+
+	/* ----------- configure the access to the outer space ---------- */
+	for (i = 0; i < ARRAY_SIZE(tiny6410_pin_usage); i++)
+		s3c_gpio_mode(tiny6410_pin_usage[i]);
+
+	armlinux_set_bootparams((void *)S3C_SDRAM_BASE + 0x100);
+	armlinux_set_architecture(MACH_TYPE_TINY6410);
+}
diff --git a/arch/arm/boards/friendlyarm-tiny6410/tiny6410.h b/arch/arm/boards/friendlyarm-tiny6410/tiny6410.h
new file mode 100644
index 0000000000..98db422422
--- /dev/null
+++ b/arch/arm/boards/friendlyarm-tiny6410/tiny6410.h
@@ -0,0 +1,14 @@
+/*
+ * 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.
+ */
+
+/* to be called by the base board */
+void tiny6410_init(const char*);