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Diffstat (limited to 'arch/arm/mach-sa1100/h3100.c')
-rw-r--r--arch/arm/mach-sa1100/h3100.c119
1 files changed, 119 insertions, 0 deletions
diff --git a/arch/arm/mach-sa1100/h3100.c b/arch/arm/mach-sa1100/h3100.c
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+++ b/arch/arm/mach-sa1100/h3100.c
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+/*
+ * Hardware definitions for Compaq iPAQ H3xxx Handheld Computers
+ *
+ * Copyright 2000,1 Compaq Computer Corporation.
+ *
+ * Use consistent with the GNU GPL is permitted,
+ * provided that this copyright notice is
+ * preserved in its entirety in all copies and derived works.
+ *
+ * COMPAQ COMPUTER CORPORATION MAKES NO WARRANTIES, EXPRESSED OR IMPLIED,
+ * AS TO THE USEFULNESS OR CORRECTNESS OF THIS CODE OR ITS
+ * FITNESS FOR ANY PARTICULAR PURPOSE.
+ *
+ * Author: Jamey Hicks.
+ *
+ * History:
+ *
+ * 2001-10-?? Andrew Christian Added support for iPAQ H3800
+ * and abstracted EGPIO interface.
+ *
+ */
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/kernel.h>
+#include <linux/tty.h>
+#include <linux/pm.h>
+#include <linux/device.h>
+#include <linux/mfd/htc-egpio.h>
+#include <linux/mtd/mtd.h>
+#include <linux/mtd/partitions.h>
+#include <linux/serial_core.h>
+#include <linux/gpio.h>
+#include <linux/platform_device.h>
+
+#include <asm/irq.h>
+#include <mach/hardware.h>
+#include <asm/mach-types.h>
+#include <asm/setup.h>
+
+#include <asm/mach/irq.h>
+#include <asm/mach/arch.h>
+#include <asm/mach/flash.h>
+#include <asm/mach/irda.h>
+#include <asm/mach/map.h>
+#include <asm/mach/serial_sa1100.h>
+
+#include <mach/h3xxx.h>
+
+#include "generic.h"
+
+/*
+ * helper for sa1100fb
+ */
+static void h3100_lcd_power(int enable)
+{
+ if (!gpio_request(H3XXX_EGPIO_LCD_ON, "LCD ON")) {
+ gpio_set_value(H3100_GPIO_LCD_3V_ON, enable);
+ gpio_direction_output(H3XXX_EGPIO_LCD_ON, enable);
+ gpio_free(H3XXX_EGPIO_LCD_ON);
+ }
+}
+
+
+static void __init h3100_map_io(void)
+{
+ h3xxx_map_io();
+
+ sa1100fb_lcd_power = h3100_lcd_power;
+
+ /* Older bootldrs put GPIO2-9 in alternate mode on the
+ assumption that they are used for video */
+ GAFR &= ~0x000001fb;
+}
+
+/*
+ * This turns the IRDA power on or off on the Compaq H3100
+ */
+static int h3100_irda_set_power(struct device *dev, unsigned int state)
+{
+ gpio_set_value(H3100_GPIO_IR_ON, state);
+ return 0;
+}
+
+static void h3100_irda_set_speed(struct device *dev, unsigned int speed)
+{
+ gpio_set_value(H3100_GPIO_IR_FSEL, !(speed < 4000000));
+}
+
+static struct irda_platform_data h3100_irda_data = {
+ .set_power = h3100_irda_set_power,
+ .set_speed = h3100_irda_set_speed,
+};
+
+static struct gpio_default_state h3100_default_gpio[] = {
+ { H3100_GPIO_IR_ON, GPIO_MODE_OUT0, "IrDA power" },
+ { H3100_GPIO_IR_FSEL, GPIO_MODE_OUT0, "IrDA fsel" },
+ { H3XXX_GPIO_COM_DCD, GPIO_MODE_IN, "COM DCD" },
+ { H3XXX_GPIO_COM_CTS, GPIO_MODE_IN, "COM CTS" },
+ { H3XXX_GPIO_COM_RTS, GPIO_MODE_OUT0, "COM RTS" },
+ { H3100_GPIO_LCD_3V_ON, GPIO_MODE_OUT0, "LCD 3v" },
+};
+
+static void __init h3100_mach_init(void)
+{
+ h3xxx_init_gpio(h3100_default_gpio, ARRAY_SIZE(h3100_default_gpio));
+ h3xxx_mach_init();
+ sa11x0_register_irda(&h3100_irda_data);
+}
+
+MACHINE_START(H3100, "Compaq iPAQ H3100")
+ .phys_io = 0x80000000,
+ .io_pg_offst = ((0xf8000000) >> 18) & 0xfffc,
+ .boot_params = 0xc0000100,
+ .map_io = h3100_map_io,
+ .init_irq = sa1100_init_irq,
+ .timer = &sa1100_timer,
+ .init_machine = h3100_mach_init,
+MACHINE_END
+