[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>

1 files changed, 187 insertions, 0 deletions

diff --git a/arch/arm/mach-netx/nxeb500hmi.c b/arch/arm/mach-netx/nxeb500hmi.c
new file mode 100644
index 000000000000..53e10a9849f9
--- /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