--- /dev/null
+/*
+ * linux/arch/arm/mach-pxa/idp.c
+ *
+ * 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.
+ *
+ * Copyright (c) 2001 Cliff Brake, Accelent Systems Inc.
+ *
+ * 2001-09-13: Cliff Brake <cbrake@accelent.com>
+ * Initial code
+ *
+ * 2005-02-15: Cliff Brake <cliff.brake@gmail.com>
+ * <http://www.vibren.com> <http://bec-systems.com>
+ * Updated for 2.6 kernel
+ *
+ */
+
+#include <linux/init.h>
+#include <linux/interrupt.h>
+#include <linux/irq.h>
+#include <linux/platform_device.h>
+#include <linux/fb.h>
+
+#include <asm/setup.h>
+#include <asm/memory.h>
+#include <asm/mach-types.h>
+#include <mach/hardware.h>
+#include <asm/irq.h>
+
+#include <asm/mach/arch.h>
+#include <asm/mach/map.h>
+
+#include <mach/pxa25x.h>
+#include <mach/idp.h>
+#include <linux/platform_data/video-pxafb.h>
+#include <mach/bitfield.h>
+#include <linux/platform_data/mmc-pxamci.h>
+#include <linux/smc91x.h>
+
+#include "generic.h"
+#include "devices.h"
+
+/* TODO:
+ * - add pxa2xx_audio_ops_t device structure
+ * - Ethernet interrupt
+ */
+
+static unsigned long idp_pin_config[] __initdata = {
+ /* LCD */
+ GPIOxx_LCD_DSTN_16BPP,
+
+ /* BTUART */
+ GPIO42_BTUART_RXD,
+ GPIO43_BTUART_TXD,
+ GPIO44_BTUART_CTS,
+ GPIO45_BTUART_RTS,
+
+ /* STUART */
+ GPIO46_STUART_RXD,
+ GPIO47_STUART_TXD,
+
+ /* MMC */
+ GPIO6_MMC_CLK,
+ GPIO8_MMC_CS0,
+
+ /* Ethernet */
+ GPIO33_nCS_5, /* Ethernet CS */
+ GPIO4_GPIO, /* Ethernet IRQ */
+};
+
+static struct resource smc91x_resources[] = {
+ [0] = {
+ .start = (IDP_ETH_PHYS + 0x300),
+ .end = (IDP_ETH_PHYS + 0xfffff),
+ .flags = IORESOURCE_MEM,
+ },
+ [1] = {
+ .start = PXA_GPIO_TO_IRQ(4),
+ .end = PXA_GPIO_TO_IRQ(4),
+ .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE,
+ }
+};
+
+static struct smc91x_platdata smc91x_platdata = {
+ .flags = SMC91X_USE_32BIT | SMC91X_USE_DMA | SMC91X_NOWAIT,
+};
+
+static struct platform_device smc91x_device = {
+ .name = "smc91x",
+ .id = 0,
+ .num_resources = ARRAY_SIZE(smc91x_resources),
+ .resource = smc91x_resources,
+ .dev.platform_data = &smc91x_platdata,
+};
+
+static void idp_backlight_power(int on)
+{
+ if (on) {
+ IDP_CPLD_LCD |= (1<<1);
+ } else {
+ IDP_CPLD_LCD &= ~(1<<1);
+ }
+}
+
+static void idp_vlcd(int on)
+{
+ if (on) {
+ IDP_CPLD_LCD |= (1<<2);
+ } else {
+ IDP_CPLD_LCD &= ~(1<<2);
+ }
+}
+
+static void idp_lcd_power(int on, struct fb_var_screeninfo *var)
+{
+ if (on) {
+ IDP_CPLD_LCD |= (1<<0);
+ } else {
+ IDP_CPLD_LCD &= ~(1<<0);
+ }
+
+ /* call idp_vlcd for now as core driver does not support
+ * both power and vlcd hooks. Note, this is not technically
+ * the correct sequence, but seems to work. Disclaimer:
+ * this may eventually damage the display.
+ */
+
+ idp_vlcd(on);
+}
+
+static struct pxafb_mode_info sharp_lm8v31_mode = {
+ .pixclock = 270000,
+ .xres = 640,
+ .yres = 480,
+ .bpp = 16,
+ .hsync_len = 1,
+ .left_margin = 3,
+ .right_margin = 3,
+ .vsync_len = 1,
+ .upper_margin = 0,
+ .lower_margin = 0,
+ .sync = FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
+ .cmap_greyscale = 0,
+};
+
+static struct pxafb_mach_info sharp_lm8v31 = {
+ .modes = &sharp_lm8v31_mode,
+ .num_modes = 1,
+ .cmap_inverse = 0,
+ .cmap_static = 0,
+ .lcd_conn = LCD_COLOR_DSTN_16BPP | LCD_PCLK_EDGE_FALL |
+ LCD_AC_BIAS_FREQ(255),
+ .pxafb_backlight_power = &idp_backlight_power,
+ .pxafb_lcd_power = &idp_lcd_power
+};
+
+static struct pxamci_platform_data idp_mci_platform_data = {
+ .ocr_mask = MMC_VDD_32_33|MMC_VDD_33_34,
+ .gpio_card_detect = -1,
+ .gpio_card_ro = -1,
+ .gpio_power = -1,
+};
+
+static void __init idp_init(void)
+{
+ printk("idp_init()\n");
+
+ pxa2xx_mfp_config(ARRAY_AND_SIZE(idp_pin_config));
+ pxa_set_ffuart_info(NULL);
+ pxa_set_btuart_info(NULL);
+ pxa_set_stuart_info(NULL);
+
+ platform_device_register(&smc91x_device);
+ //platform_device_register(&mst_audio_device);
+ pxa_set_fb_info(NULL, &sharp_lm8v31);
+ pxa_set_mci_info(&idp_mci_platform_data);
+}
+
+static struct map_desc idp_io_desc[] __initdata = {
+ {
+ .virtual = IDP_COREVOLT_VIRT,
+ .pfn = __phys_to_pfn(IDP_COREVOLT_PHYS),
+ .length = IDP_COREVOLT_SIZE,
+ .type = MT_DEVICE
+ }, {
+ .virtual = IDP_CPLD_VIRT,
+ .pfn = __phys_to_pfn(IDP_CPLD_PHYS),
+ .length = IDP_CPLD_SIZE,
+ .type = MT_DEVICE
+ }
+};
+
+static void __init idp_map_io(void)
+{
+ pxa25x_map_io();
+ iotable_init(idp_io_desc, ARRAY_SIZE(idp_io_desc));
+}
+
+/* LEDs */
+#if defined(CONFIG_NEW_LEDS) && defined(CONFIG_LEDS_CLASS)
+struct idp_led {
+ struct led_classdev cdev;
+ u8 mask;
+};
+
+/*
+ * The triggers lines up below will only be used if the
+ * LED triggers are compiled in.
+ */
+static const struct {
+ const char *name;
+ const char *trigger;
+} idp_leds[] = {
+ { "idp:green", "heartbeat", },
+ { "idp:red", "cpu0", },
+};
+
+static void idp_led_set(struct led_classdev *cdev,
+ enum led_brightness b)
+{
+ struct idp_led *led = container_of(cdev,
+ struct idp_led, cdev);
+ u32 reg = IDP_CPLD_LED_CONTROL;
+
+ if (b != LED_OFF)
+ reg &= ~led->mask;
+ else
+ reg |= led->mask;
+
+ IDP_CPLD_LED_CONTROL = reg;
+}
+
+static enum led_brightness idp_led_get(struct led_classdev *cdev)
+{
+ struct idp_led *led = container_of(cdev,
+ struct idp_led, cdev);
+
+ return (IDP_CPLD_LED_CONTROL & led->mask) ? LED_OFF : LED_FULL;
+}
+
+static int __init idp_leds_init(void)
+{
+ int i;
+
+ if (!machine_is_pxa_idp())
+ return -ENODEV;
+
+ for (i = 0; i < ARRAY_SIZE(idp_leds); i++) {
+ struct idp_led *led;
+
+ led = kzalloc(sizeof(*led), GFP_KERNEL);
+ if (!led)
+ break;
+
+ led->cdev.name = idp_leds[i].name;
+ led->cdev.brightness_set = idp_led_set;
+ led->cdev.brightness_get = idp_led_get;
+ led->cdev.default_trigger = idp_leds[i].trigger;
+
+ if (i == 0)
+ led->mask = IDP_HB_LED;
+ else
+ led->mask = IDP_BUSY_LED;
+
+ if (led_classdev_register(NULL, &led->cdev) < 0) {
+ kfree(led);
+ break;
+ }
+ }
+
+ return 0;
+}
+
+/*
+ * Since we may have triggers on any subsystem, defer registration
+ * until after subsystem_init.
+ */
+fs_initcall(idp_leds_init);
+#endif
+
+MACHINE_START(PXA_IDP, "Vibren PXA255 IDP")
+ /* Maintainer: Vibren Technologies */
+ .map_io = idp_map_io,
+ .nr_irqs = PXA_NR_IRQS,
+ .init_irq = pxa25x_init_irq,
+ .handle_irq = pxa25x_handle_irq,
+ .init_time = pxa_timer_init,
+ .init_machine = idp_init,
+ .restart = pxa_restart,
+MACHINE_END
Code Review / kvmfornfv.git / blobdiff