[ARM] pxa: PXA3xx base support

Signed-off-by: eric miao <eric.y.miao@gmail.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>

1 files changed, 184 insertions, 0 deletions

diff --git a/arch/arm/mach-pxa/zylonite.c b/arch/arm/mach-pxa/zylonite.c
new file mode 100644
index 00000000000..3f18d760dd1
--- /dev/null
+++ b/arch/arm/mach-pxa/zylonite.c
@@ -0,0 +1,184 @@
+/*
+ * linux/arch/arm/mach-pxa/zylonite.c
+ *
+ * Support for the PXA3xx Development Platform (aka Zylonite)
+ *
+ * Copyright (C) 2006 Marvell International Ltd.
+ *
+ * 2007-09-04: eric miao <eric.y.miao@gmail.com>
+ *             rewrite to align with latest kernel
+ *
+ * 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/module.h>
+#include <linux/kernel.h>
+#include <linux/interrupt.h>
+#include <linux/init.h>
+#include <linux/platform_device.h>
+
+#include <asm/mach-types.h>
+#include <asm/mach/arch.h>
+#include <asm/hardware.h>
+#include <asm/arch/gpio.h>
+#include <asm/arch/pxafb.h>
+#include <asm/arch/zylonite.h>
+
+#include "generic.h"
+
+int gpio_backlight;
+int gpio_eth_irq;
+
+int lcd_id;
+int lcd_orientation;
+
+static struct resource smc91x_resources[] = {
+	[0] = {
+		.start	= ZYLONITE_ETH_PHYS + 0x300,
+		.end	= ZYLONITE_ETH_PHYS + 0xfffff,
+		.flags	= IORESOURCE_MEM,
+	},
+	[1] = {
+		.start	= -1,	/* for run-time assignment */
+		.end	= -1,
+		.flags	= IORESOURCE_IRQ,
+	}
+};
+
+static struct platform_device smc91x_device = {
+	.name		= "smc91x",
+	.id		= 0,
+	.num_resources	= ARRAY_SIZE(smc91x_resources),
+	.resource	= smc91x_resources,
+};
+
+#if defined(CONFIG_FB_PXA) || (CONFIG_FB_PXA_MODULES)
+static void zylonite_backlight_power(int on)
+{
+	gpio_set_value(gpio_backlight, on);
+}
+
+static struct pxafb_mode_info toshiba_ltm035a776c_mode = {
+	.pixclock		= 110000,
+	.xres			= 240,
+	.yres			= 320,
+	.bpp			= 16,
+	.hsync_len		= 4,
+	.left_margin		= 6,
+	.right_margin		= 4,
+	.vsync_len		= 2,
+	.upper_margin		= 2,
+	.lower_margin		= 3,
+	.sync			= FB_SYNC_VERT_HIGH_ACT,
+};
+
+static struct pxafb_mode_info toshiba_ltm04c380k_mode = {
+	.pixclock		= 50000,
+	.xres			= 640,
+	.yres			= 480,
+	.bpp			= 16,
+	.hsync_len		= 1,
+	.left_margin		= 0x9f,
+	.right_margin		= 1,
+	.vsync_len		= 44,
+	.upper_margin		= 0,
+	.lower_margin		= 0,
+	.sync			= FB_SYNC_HOR_HIGH_ACT|FB_SYNC_VERT_HIGH_ACT,
+};
+
+static struct pxafb_mach_info zylonite_toshiba_lcd_info = {
+	.num_modes      	= 1,
+	.lccr0			= LCCR0_Act,
+	.lccr3			= LCCR3_PCP,
+	.pxafb_backlight_power	= zylonite_backlight_power,
+};
+
+static struct pxafb_mode_info sharp_ls037_modes[] = {
+	[0] = {
+		.pixclock	= 158000,
+		.xres		= 240,
+		.yres		= 320,
+		.bpp		= 16,
+		.hsync_len	= 4,
+		.left_margin	= 39,
+		.right_margin	= 39,
+		.vsync_len	= 1,
+		.upper_margin	= 2,
+		.lower_margin	= 3,
+		.sync		= 0,
+	},
+	[1] = {
+		.pixclock	= 39700,
+		.xres		= 480,
+		.yres		= 640,
+		.bpp		= 16,
+		.hsync_len	= 8,
+		.left_margin	= 81,
+		.right_margin	= 81,
+		.vsync_len	= 1,
+		.upper_margin	= 2,
+		.lower_margin	= 7,
+		.sync		= 0,
+	},
+};
+
+static struct pxafb_mach_info zylonite_sharp_lcd_info = {
+	.modes			= sharp_ls037_modes,
+	.num_modes		= 2,
+	.lccr0			= LCCR0_Act,
+	.lccr3			= LCCR3_PCP | LCCR3_HSP | LCCR3_VSP,
+	.pxafb_backlight_power	= zylonite_backlight_power,
+};
+
+static void __init zylonite_init_lcd(void)
+{
+	/* backlight GPIO: output, default on */
+	gpio_direction_output(gpio_backlight, 1);
+
+	if (lcd_id & 0x20) {
+		set_pxa_fb_info(&zylonite_sharp_lcd_info);
+		return;
+	}
+
+	/* legacy LCD panels, it would be handy here if LCD panel type can
+	 * be decided at run-time
+	 */
+	if (1)
+		zylonite_toshiba_lcd_info.modes = &toshiba_ltm035a776c_mode;
+	else
+		zylonite_toshiba_lcd_info.modes = &toshiba_ltm04c380k_mode;
+
+	set_pxa_fb_info(&zylonite_toshiba_lcd_info);
+}
+#else
+static inline void zylonite_init_lcd(void) {}
+#endif
+
+static void __init zylonite_init(void)
+{
+	/* board-processor specific initialization */
+	zylonite_pxa300_init();
+	zylonite_pxa320_init();
+
+	/*
+	 * Note: We depend that the bootloader set
+	 * the correct value to MSC register for SMC91x.
+	 */
+	smc91x_resources[1].start = gpio_to_irq(gpio_eth_irq);
+	smc91x_resources[1].end   = gpio_to_irq(gpio_eth_irq);
+	platform_device_register(&smc91x_device);
+
+	zylonite_init_lcd();
+}
+
+MACHINE_START(ZYLONITE, "PXA3xx Platform Development Kit (aka Zylonite)")
+	.phys_io	= 0x40000000,
+	.boot_params	= 0xa0000100,
+	.io_pg_offst	= (io_p2v(0x40000000) >> 18) & 0xfffc,
+	.map_io		= pxa_map_io,
+	.init_irq	= pxa3xx_init_irq,
+	.timer		= &pxa_timer,
+	.init_machine	= zylonite_init,
+MACHINE_END