[ARM] 3576/1: netX: board support for NXEB500HMI development board

Patch from Sascha Hauer

This patch adds the board specific code for the Hilscher NXEB500HMI
development board.

Signed-off-by: Robert Schwebel <r.schwebel@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>

3 files changed, 195 insertions, 0 deletions

diff --git a/arch/arm/mach-netx/Kconfig b/arch/arm/mach-netx/Kconfig
index 93dda3b..3d90ef1 100644
--- a/arch/arm/mach-netx/Kconfig
+++ b/arch/arm/mach-netx/Kconfig
@@ -14,4 +14,11 @@ config MACH_NXDB500
 	help
 	  Board support for the Hilscher nxdb500 Eval Board
 
+config MACH_NXEB500HMI
+	bool "Enable Hilscher nxeb500hmi Eval Board support"
+	depends on ARCH_NETX
+	select ARM_AMBA
+	help
+	  Board support for the Hilscher nxeb500hmi Eval Board
+
 endmenu
diff --git a/arch/arm/mach-netx/Makefile b/arch/arm/mach-netx/Makefile
index eafb24f..18785ff 100644
--- a/arch/arm/mach-netx/Makefile
+++ b/arch/arm/mach-netx/Makefile
@@ -12,3 +12,4 @@ obj-y			+= time.o generic.o pfifo.o xc.o
 # Specific board support
 obj-$(CONFIG_MACH_NXDKN) += nxdkn.o
 obj-$(CONFIG_MACH_NXDB500) += nxdb500.o fb.o
+obj-$(CONFIG_MACH_NXEB500HMI) += nxeb500hmi.o fb.o
diff --git a/arch/arm/mach-netx/nxeb500hmi.c b/arch/arm/mach-netx/nxeb500hmi.c
new file mode 100644
index 0000000..53e10a9
--- /dev/null
+++ b/arch/arm/mach-netx/nxeb500hmi.c
@@ -0,0 +1,187 @@
+/*
+ * arch/arm/mach-netx/nxeb500hmi.c
+ *
+ * Copyright (c) 2005 Sascha Hauer <s.hauer@pengutronix.de>, Pengutronix
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2
+ * as published by the Free Software Foundation.
+ *
+ * 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 <linux/dma-mapping.h>
+#include <linux/init.h>
+#include <linux/interrupt.h>
+#include <linux/mtd/plat-ram.h>
+#include <linux/platform_device.h>
+#include <linux/amba/bus.h>
+#include <linux/amba/clcd.h>
+
+#include <asm/hardware.h>
+#include <asm/mach-types.h>
+#include <asm/mach/arch.h>
+#include <asm/arch/netx-regs.h>
+#include <asm/arch/eth.h>
+
+#include "generic.h"
+#include "fb.h"
+
+static struct clcd_panel qvga = {
+	.mode		= {
+		.name		= "QVGA",
+		.refresh	= 60,
+		.xres		= 240,
+		.yres		= 320,
+		.pixclock	= 187617,
+		.left_margin	= 6,
+		.right_margin	= 26,
+		.upper_margin	= 0,
+		.lower_margin	= 6,
+		.hsync_len	= 6,
+		.vsync_len	= 1,
+		.sync		= 0,
+		.vmode		= FB_VMODE_NONINTERLACED,
+	},
+	.width		= -1,
+	.height		= -1,
+	.tim2		=  16,
+	.cntl		= CNTL_LCDTFT | CNTL_BGR,
+	.bpp		= 16,
+	.grayscale	= 0,
+};
+
+static inline int nxeb500hmi_check(struct clcd_fb *fb, struct fb_var_screeninfo *var)
+{
+	var->green.length = 5;
+	var->green.msb_right = 0;
+
+	return clcdfb_check(fb, var);
+}
+
+static int nxeb500hmi_clcd_setup(struct clcd_fb *fb)
+{
+	unsigned int val;
+
+	fb->fb.var.green.length = 5;
+	fb->fb.var.green.msb_right = 0;
+
+	/* enable asic control */
+	val = readl(NETX_SYSTEM_IOC_ACCESS_KEY);
+	writel(val, NETX_SYSTEM_IOC_ACCESS_KEY);
+
+	writel(3, NETX_SYSTEM_IOC_CR);
+
+	/* GPIO 14 is used for display enable on newer boards */
+	writel(9, NETX_GPIO_CFG(14));
+
+	val = readl(NETX_PIO_OUTPIO);
+	writel(val | 1, NETX_PIO_OUTPIO);
+
+	val = readl(NETX_PIO_OEPIO);
+	writel(val | 1, NETX_PIO_OEPIO);
+	return netx_clcd_setup(fb);
+}
+
+static struct clcd_board clcd_data = {
+	.name		= "netX",
+	.check		= nxeb500hmi_check,
+	.decode		= clcdfb_decode,
+	.enable		= netx_clcd_enable,
+	.setup		= nxeb500hmi_clcd_setup,
+	.mmap		= netx_clcd_mmap,
+	.remove		= netx_clcd_remove,
+};
+
+static struct netxeth_platform_data eth0_platform_data = {
+	.xcno = 0,
+};
+
+static struct platform_device netx_eth0_device = {
+	.name		= "netx-eth",
+	.id		= 0,
+	.num_resources	= 0,
+	.resource	= NULL,
+	.dev = {
+		.platform_data = &eth0_platform_data,
+	}
+};
+
+static struct netxeth_platform_data eth1_platform_data = {
+	.xcno = 1,
+};
+
+static struct platform_device netx_eth1_device = {
+	.name		= "netx-eth",
+	.id		= 1,
+	.num_resources	= 0,
+	.resource	= NULL,
+	.dev = {
+		.platform_data = &eth1_platform_data,
+	}
+};
+
+static struct resource netx_cf_resources[] = {
+	[0] = {
+		.start	= 0x20000000,
+		.end	= 0x25ffffff,
+		.flags	= IORESOURCE_MEM | IORESOURCE_MEM_8AND16BIT,
+	},
+};
+
+static struct platform_device netx_cf_device = {
+	.name		= "netx-cf",
+	.id		= 0,
+	.resource	= netx_cf_resources,
+	.num_resources	= ARRAY_SIZE(netx_cf_resources),
+};
+
+static struct resource netx_uart0_resources[] = {
+	[0] = {
+		.start	= 0x00100A00,
+		.end	= 0x00100A3F,
+		.flags	= IORESOURCE_MEM,
+	},
+	[1] = {
+		.start	= (NETX_IRQ_UART0),
+		.end	= (NETX_IRQ_UART0),
+		.flags	= IORESOURCE_IRQ,
+	},
+};
+
+static struct platform_device netx_uart0_device = {
+	.name		= "netx-uart",
+	.id		= 0,
+	.num_resources	= ARRAY_SIZE(netx_uart0_resources),
+	.resource	= netx_uart0_resources,
+};
+
+static struct platform_device *devices[] __initdata = {
+	&netx_eth0_device,
+	&netx_eth1_device,
+	&netx_cf_device,
+	&netx_uart0_device,
+};
+
+static void __init nxeb500hmi_init(void)
+{
+	netx_fb_init(&clcd_data, &qvga);
+	platform_add_devices(devices, ARRAY_SIZE(devices));
+}
+
+MACHINE_START(NXEB500HMI, "Hilscher nxeb500hmi")
+	.phys_io	= 0x00100000,
+	.io_pg_offst	= (io_p2v(0x00100000) >> 18) & 0xfffc,
+	.boot_params	= 0x80000100,
+	.map_io		= netx_map_io,
+	.init_irq	= netx_init_irq,
+	.timer		= &netx_timer,
+	.init_machine	= nxeb500hmi_init,
+MACHINE_END