[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 000000000000..3f18d760dd1b
--- /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