initial_commit

1 files changed, 151 insertions, 0 deletions

diff --git a/arch/arm/mach-pxa/colibri-pxa3xx.c b/arch/arm/mach-pxa/colibri-pxa3xx.c
new file mode 100644
index 00000000..3f9be419
--- /dev/null
+++ b/arch/arm/mach-pxa/colibri-pxa3xx.c
@@ -0,0 +1,151 @@
+/*
+ *  arch/arm/mach-pxa/colibri-pxa3xx.c
+ *
+ *  Common functions for all Toradex PXA3xx modules
+ *
+ *  Daniel Mack <daniel@caiaq.de>
+ *
+ *  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.
+ */
+
+#include <linux/init.h>
+#include <linux/kernel.h>
+#include <linux/platform_device.h>
+#include <linux/gpio.h>
+#include <linux/etherdevice.h>
+#include <asm/mach-types.h>
+#include <mach/hardware.h>
+#include <asm/sizes.h>
+#include <asm/mach/arch.h>
+#include <asm/mach/irq.h>
+#include <mach/pxa3xx-regs.h>
+#include <mach/mfp-pxa300.h>
+#include <mach/colibri.h>
+#include <mach/mmc.h>
+#include <mach/pxafb.h>
+#include <plat/pxa3xx_nand.h>
+
+#include "generic.h"
+#include "devices.h"
+
+#if defined(CONFIG_AX88796)
+#define ETHER_ADDR_LEN 6
+static u8 ether_mac_addr[ETHER_ADDR_LEN];
+
+void __init colibri_pxa3xx_init_eth(struct ax_plat_data *plat_data)
+{
+	int i;
+	u64 serial = ((u64) system_serial_high << 32) | system_serial_low;
+
+	/*
+	 * If the bootloader passed in a serial boot tag, which contains a
+	 * valid ethernet MAC, pass it to the interface. Toradex ships the
+	 * modules with their own bootloader which provides a valid MAC
+	 * this way.
+	 */
+
+	for (i = 0; i < ETHER_ADDR_LEN; i++) {
+		ether_mac_addr[i] = serial & 0xff;
+		serial >>= 8;
+	}
+
+	if (is_valid_ether_addr(ether_mac_addr)) {
+		plat_data->flags |= AXFLG_MAC_FROMPLATFORM;
+		plat_data->mac_addr = ether_mac_addr;
+		printk(KERN_INFO "%s(): taking MAC from serial boot tag\n",
+			__func__);
+	} else {
+		plat_data->flags |= AXFLG_MAC_FROMDEV;
+		printk(KERN_INFO "%s(): no valid serial boot tag found, "
+			"taking MAC from device\n", __func__);
+	}
+}
+#endif
+
+#if defined(CONFIG_FB_PXA) || defined(CONFIG_FB_PXA_MODULE)
+static int lcd_bl_pin;
+
+/*
+ * LCD panel (Sharp LQ043T3DX02)
+ */
+static void colibri_lcd_backlight(int on)
+{
+	gpio_set_value(lcd_bl_pin, !!on);
+}
+
+static struct pxafb_mode_info sharp_lq43_mode = {
+	.pixclock	= 101936,
+	.xres		= 480,
+	.yres		= 272,
+	.bpp		= 32,
+	.depth		= 18,
+	.hsync_len      = 41,
+	.left_margin    = 2,
+	.right_margin   = 2,
+	.vsync_len      = 10,
+	.upper_margin   = 2,
+	.lower_margin   = 2,
+	.sync	   	= 0,
+	.cmap_greyscale = 0,
+};
+
+static struct pxafb_mach_info sharp_lq43_info = {
+	.modes		= &sharp_lq43_mode,
+	.num_modes	= 1,
+	.cmap_inverse	= 0,
+	.cmap_static	= 0,
+	.lcd_conn	= LCD_COLOR_TFT_18BPP,
+	.pxafb_backlight_power = colibri_lcd_backlight,
+};
+
+void __init colibri_pxa3xx_init_lcd(int bl_pin)
+{
+	lcd_bl_pin = bl_pin;
+	gpio_request(bl_pin, "lcd backlight");
+	gpio_direction_output(bl_pin, 0);
+	pxa_set_fb_info(NULL, &sharp_lq43_info);
+}
+#endif
+
+#if defined(CONFIG_MTD_NAND_PXA3xx) || defined(CONFIG_MTD_NAND_PXA3xx_MODULE)
+static struct mtd_partition colibri_nand_partitions[] = {
+	{
+		.name        = "bootloader",
+		.offset      = 0,
+		.size        = SZ_512K,
+		.mask_flags  = MTD_WRITEABLE, /* force read-only */
+	},
+	{
+		.name        = "kernel",
+		.offset      = MTDPART_OFS_APPEND,
+		.size        = SZ_4M,
+		.mask_flags  = MTD_WRITEABLE, /* force read-only */
+	},
+	{
+		.name        = "reserved",
+		.offset      = MTDPART_OFS_APPEND,
+		.size        = SZ_1M,
+		.mask_flags  = MTD_WRITEABLE, /* force read-only */
+	},
+	{
+		.name        = "fs",
+		.offset      = MTDPART_OFS_APPEND,
+		.size        = MTDPART_SIZ_FULL,
+	},
+};
+
+static struct pxa3xx_nand_platform_data colibri_nand_info = {
+	.enable_arbiter	= 1,
+	.keep_config	= 1,
+	.parts		= colibri_nand_partitions,
+	.nr_parts	= ARRAY_SIZE(colibri_nand_partitions),
+};
+
+void __init colibri_pxa3xx_init_nand(void)
+{
+	pxa3xx_set_nand_info(&colibri_nand_info);
+}
+#endif
+