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[ARM] pxa: balloon3 (http://balloonboard.org/) base machine support
So, again against latest pxa-linux-2.6/devel, with the following changes: * Move to __raw_readl/__raw_writel for FPGA/CPLD register access * Change Toppoly LCD config to be selectable at run time rather than compile time. * Remove currently unused irq device suspend/resume functions. * Strip out unnecessary/duplicated #includes. * Some code style cleanups. Balloon3 (http://balloonboard.org/) base machine support Signed-off-by: Jonathan McDowell <noodles@earth.li> Signed-off-by: Eric Miao <eric.y.miao@gmail.com>
This commit is contained in:
parent
23440f85ff
commit
2a23ec3679
@ -84,6 +84,12 @@ config MACH_MP900C
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bool "Nec Mobilepro 900/c"
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select PXA25x
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config MACH_BALLOON3
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bool "Balloon 3 board"
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select PXA27x
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select IWMMXT
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select PXA_HAVE_BOARD_IRQS
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config ARCH_PXA_IDP
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bool "Accelent Xscale IDP"
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select PXA25x
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@ -31,6 +31,7 @@ obj-$(CONFIG_GUMSTIX_AM300EPD) += am300epd.o
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obj-$(CONFIG_ARCH_LUBBOCK) += lubbock.o
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obj-$(CONFIG_MACH_LOGICPD_PXA270) += lpd270.o
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obj-$(CONFIG_MACH_MAINSTONE) += mainstone.o
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obj-$(CONFIG_MACH_BALLOON3) += balloon3.o
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obj-$(CONFIG_MACH_MP900C) += mp900.o
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obj-$(CONFIG_ARCH_PXA_IDP) += idp.o
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obj-$(CONFIG_MACH_TRIZEPS4) += trizeps4.o
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361
arch/arm/mach-pxa/balloon3.c
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361
arch/arm/mach-pxa/balloon3.c
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@ -0,0 +1,361 @@
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/*
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* linux/arch/arm/mach-pxa/balloon3.c
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*
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* Support for Balloonboard.org Balloon3 board.
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*
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* Author: Nick Bane, Wookey, Jonathan McDowell
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* Created: June, 2006
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* Copyright: Toby Churchill Ltd
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* Derived from mainstone.c, by Nico Pitre
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*/
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#include <linux/init.h>
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#include <linux/platform_device.h>
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#include <linux/sysdev.h>
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#include <linux/interrupt.h>
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#include <linux/sched.h>
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#include <linux/bitops.h>
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#include <linux/fb.h>
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#include <linux/gpio.h>
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#include <linux/ioport.h>
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#include <linux/mtd/mtd.h>
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#include <linux/mtd/partitions.h>
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#include <linux/types.h>
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#include <asm/setup.h>
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#include <asm/mach-types.h>
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#include <asm/irq.h>
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#include <asm/sizes.h>
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#include <asm/mach/arch.h>
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#include <asm/mach/map.h>
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#include <asm/mach/irq.h>
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#include <asm/mach/flash.h>
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#include <mach/pxa27x.h>
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#include <mach/balloon3.h>
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#include <mach/audio.h>
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#include <mach/pxafb.h>
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#include <mach/mmc.h>
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#include <mach/udc.h>
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#include <mach/pxa27x-udc.h>
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#include <mach/irda.h>
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#include <mach/ohci.h>
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#include <plat/i2c.h>
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#include "generic.h"
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#include "devices.h"
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static unsigned long balloon3_irq_enabled;
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static unsigned long balloon3_features_present =
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(1 << BALLOON3_FEATURE_OHCI) | (1 << BALLOON3_FEATURE_CF) |
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(1 << BALLOON3_FEATURE_AUDIO) |
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(1 << BALLOON3_FEATURE_TOPPOLY);
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int balloon3_has(enum balloon3_features feature)
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{
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return (balloon3_features_present & (1 << feature)) ? 1 : 0;
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}
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EXPORT_SYMBOL_GPL(balloon3_has);
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int __init parse_balloon3_features(char *arg)
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{
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if (!arg)
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return 0;
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return strict_strtoul(arg, 0, &balloon3_features_present);
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}
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early_param("balloon3_features", parse_balloon3_features);
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static void balloon3_mask_irq(unsigned int irq)
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{
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int balloon3_irq = (irq - BALLOON3_IRQ(0));
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balloon3_irq_enabled &= ~(1 << balloon3_irq);
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__raw_writel(~balloon3_irq_enabled, BALLOON3_INT_CONTROL_REG);
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}
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static void balloon3_unmask_irq(unsigned int irq)
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{
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int balloon3_irq = (irq - BALLOON3_IRQ(0));
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balloon3_irq_enabled |= (1 << balloon3_irq);
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__raw_writel(~balloon3_irq_enabled, BALLOON3_INT_CONTROL_REG);
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}
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static struct irq_chip balloon3_irq_chip = {
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.name = "FPGA",
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.ack = balloon3_mask_irq,
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.mask = balloon3_mask_irq,
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.unmask = balloon3_unmask_irq,
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};
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static void balloon3_irq_handler(unsigned int irq, struct irq_desc *desc)
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{
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unsigned long pending = __raw_readl(BALLOON3_INT_CONTROL_REG) &
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balloon3_irq_enabled;
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do {
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/* clear useless edge notification */
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if (desc->chip->ack)
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desc->chip->ack(BALLOON3_AUX_NIRQ);
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while (pending) {
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irq = BALLOON3_IRQ(0) + __ffs(pending);
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generic_handle_irq(irq);
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pending &= pending - 1;
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}
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pending = __raw_readl(BALLOON3_INT_CONTROL_REG) &
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balloon3_irq_enabled;
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} while (pending);
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}
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static void __init balloon3_init_irq(void)
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{
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int irq;
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pxa27x_init_irq();
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/* setup extra Balloon3 irqs */
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for (irq = BALLOON3_IRQ(0); irq <= BALLOON3_IRQ(7); irq++) {
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set_irq_chip(irq, &balloon3_irq_chip);
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set_irq_handler(irq, handle_level_irq);
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set_irq_flags(irq, IRQF_VALID | IRQF_PROBE);
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}
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set_irq_chained_handler(BALLOON3_AUX_NIRQ, balloon3_irq_handler);
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set_irq_type(BALLOON3_AUX_NIRQ, IRQ_TYPE_EDGE_FALLING);
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pr_debug("%s: chained handler installed - irq %d automatically "
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"enabled\n", __func__, BALLOON3_AUX_NIRQ);
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}
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static void balloon3_backlight_power(int on)
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{
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pr_debug("%s: power is %s\n", __func__, on ? "on" : "off");
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gpio_set_value(BALLOON3_GPIO_RUN_BACKLIGHT, on);
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}
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static unsigned long balloon3_lcd_pin_config[] = {
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/* LCD - 16bpp Active TFT */
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GPIO58_LCD_LDD_0,
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GPIO59_LCD_LDD_1,
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GPIO60_LCD_LDD_2,
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GPIO61_LCD_LDD_3,
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GPIO62_LCD_LDD_4,
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GPIO63_LCD_LDD_5,
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GPIO64_LCD_LDD_6,
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GPIO65_LCD_LDD_7,
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GPIO66_LCD_LDD_8,
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GPIO67_LCD_LDD_9,
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GPIO68_LCD_LDD_10,
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GPIO69_LCD_LDD_11,
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GPIO70_LCD_LDD_12,
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GPIO71_LCD_LDD_13,
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GPIO72_LCD_LDD_14,
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GPIO73_LCD_LDD_15,
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GPIO74_LCD_FCLK,
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GPIO75_LCD_LCLK,
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GPIO76_LCD_PCLK,
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GPIO77_LCD_BIAS,
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GPIO99_GPIO, /* Backlight */
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};
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static struct pxafb_mode_info balloon3_lcd_modes[] = {
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{
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.pixclock = 38000,
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.xres = 480,
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.yres = 640,
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.bpp = 16,
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.hsync_len = 8,
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.left_margin = 8,
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.right_margin = 8,
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.vsync_len = 2,
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.upper_margin = 4,
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.lower_margin = 5,
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.sync = 0,
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},
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};
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static struct pxafb_mach_info balloon3_pxafb_info = {
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.modes = balloon3_lcd_modes,
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.num_modes = ARRAY_SIZE(balloon3_lcd_modes),
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.lcd_conn = LCD_COLOR_TFT_16BPP | LCD_PCLK_EDGE_FALL,
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.pxafb_backlight_power = balloon3_backlight_power,
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};
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static unsigned long balloon3_mmc_pin_config[] = {
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GPIO32_MMC_CLK,
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GPIO92_MMC_DAT_0,
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GPIO109_MMC_DAT_1,
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GPIO110_MMC_DAT_2,
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GPIO111_MMC_DAT_3,
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GPIO112_MMC_CMD,
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};
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static void balloon3_mci_setpower(struct device *dev, unsigned int vdd)
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{
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struct pxamci_platform_data *p_d = dev->platform_data;
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if ((1 << vdd) & p_d->ocr_mask) {
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pr_debug("%s: on\n", __func__);
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/* FIXME something to prod here? */
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} else {
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pr_debug("%s: off\n", __func__);
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/* FIXME something to prod here? */
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}
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}
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static struct pxamci_platform_data balloon3_mci_platform_data = {
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.ocr_mask = MMC_VDD_32_33|MMC_VDD_33_34,
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.setpower = balloon3_mci_setpower,
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};
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static int balloon3_udc_is_connected(void)
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{
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pr_debug("%s: udc connected\n", __func__);
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return 1;
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}
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static void balloon3_udc_command(int cmd)
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{
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switch (cmd) {
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case PXA2XX_UDC_CMD_CONNECT:
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UP2OCR |= (UP2OCR_DPPUE + UP2OCR_DPPUBE);
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pr_debug("%s: connect\n", __func__);
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break;
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case PXA2XX_UDC_CMD_DISCONNECT:
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UP2OCR &= ~UP2OCR_DPPUE;
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pr_debug("%s: disconnect\n", __func__);
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break;
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}
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}
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static struct pxa2xx_udc_mach_info balloon3_udc_info = {
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.udc_is_connected = balloon3_udc_is_connected,
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.udc_command = balloon3_udc_command,
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};
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static struct pxaficp_platform_data balloon3_ficp_platform_data = {
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.transceiver_cap = IR_SIRMODE | IR_FIRMODE | IR_OFF,
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};
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static unsigned long balloon3_ohci_pin_config[] = {
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GPIO88_USBH1_PWR,
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GPIO89_USBH1_PEN,
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};
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static struct pxaohci_platform_data balloon3_ohci_platform_data = {
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.port_mode = PMM_PERPORT_MODE,
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.flags = ENABLE_PORT_ALL | POWER_CONTROL_LOW | POWER_SENSE_LOW,
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};
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static unsigned long balloon3_pin_config[] __initdata = {
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/* Select BTUART 'COM1/ttyS0' as IO option for pins 42/43/44/45 */
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GPIO42_BTUART_RXD,
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GPIO43_BTUART_TXD,
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GPIO44_BTUART_CTS,
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GPIO45_BTUART_RTS,
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/* Wakeup GPIO */
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GPIO1_GPIO | WAKEUP_ON_EDGE_BOTH,
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/* NAND & IDLE LED GPIOs */
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GPIO9_GPIO,
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GPIO10_GPIO,
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};
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static struct gpio_led balloon3_gpio_leds[] = {
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{
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.name = "balloon3:green:idle",
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.default_trigger = "heartbeat",
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.gpio = BALLOON3_GPIO_LED_IDLE,
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.active_low = 1,
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},
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{
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.name = "balloon3:green:nand",
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.default_trigger = "nand-disk",
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.gpio = BALLOON3_GPIO_LED_NAND,
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.active_low = 1,
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},
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};
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static struct gpio_led_platform_data balloon3_gpio_leds_platform_data = {
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.leds = balloon3_gpio_leds,
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.num_leds = ARRAY_SIZE(balloon3_gpio_leds),
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};
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static struct platform_device balloon3led_device = {
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.name = "leds-gpio",
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.id = -1,
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.dev = {
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.platform_data = &balloon3_gpio_leds_platform_data,
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},
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};
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static void __init balloon3_init(void)
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{
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pr_info("Initialising Balloon3\n");
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/* system bus arbiter setting
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* - Core_Park
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* - LCD_wt:DMA_wt:CORE_Wt = 2:3:4
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*/
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ARB_CNTRL = ARB_CORE_PARK | 0x234;
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pxa_set_i2c_info(NULL);
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if (balloon3_has(BALLOON3_FEATURE_AUDIO))
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pxa_set_ac97_info(NULL);
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if (balloon3_has(BALLOON3_FEATURE_TOPPOLY)) {
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pxa2xx_mfp_config(ARRAY_AND_SIZE(balloon3_lcd_pin_config));
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gpio_request(BALLOON3_GPIO_RUN_BACKLIGHT,
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"LCD Backlight Power");
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gpio_direction_output(BALLOON3_GPIO_RUN_BACKLIGHT, 1);
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set_pxa_fb_info(&balloon3_pxafb_info);
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}
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if (balloon3_has(BALLOON3_FEATURE_MMC)) {
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pxa2xx_mfp_config(ARRAY_AND_SIZE(balloon3_mmc_pin_config));
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pxa_set_mci_info(&balloon3_mci_platform_data);
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}
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pxa_set_ficp_info(&balloon3_ficp_platform_data);
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if (balloon3_has(BALLOON3_FEATURE_OHCI)) {
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pxa2xx_mfp_config(ARRAY_AND_SIZE(balloon3_ohci_pin_config));
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pxa_set_ohci_info(&balloon3_ohci_platform_data);
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}
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pxa_set_udc_info(&balloon3_udc_info);
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pxa2xx_mfp_config(ARRAY_AND_SIZE(balloon3_pin_config));
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platform_device_register(&balloon3led_device);
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}
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static struct map_desc balloon3_io_desc[] __initdata = {
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{ /* CPLD/FPGA */
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.virtual = BALLOON3_FPGA_VIRT,
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.pfn = __phys_to_pfn(BALLOON3_FPGA_PHYS),
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.length = BALLOON3_FPGA_LENGTH,
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.type = MT_DEVICE,
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},
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};
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static void __init balloon3_map_io(void)
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{
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pxa_map_io();
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iotable_init(balloon3_io_desc, ARRAY_SIZE(balloon3_io_desc));
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}
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MACHINE_START(BALLOON3, "Balloon3")
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/* Maintainer: Nick Bane. */
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.phys_io = 0x40000000,
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.io_pg_offst = (io_p2v(0x40000000) >> 18) & 0xfffc,
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.map_io = balloon3_map_io,
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.init_irq = balloon3_init_irq,
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.timer = &pxa_timer,
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.init_machine = balloon3_init,
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.boot_params = PHYS_OFFSET + 0x100,
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MACHINE_END
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134
arch/arm/mach-pxa/include/mach/balloon3.h
Normal file
134
arch/arm/mach-pxa/include/mach/balloon3.h
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@ -0,0 +1,134 @@
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/*
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* linux/include/asm-arm/arch-pxa/balloon3.h
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*
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* Authors: Nick Bane and Wookey
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* Created: Oct, 2005
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* Copyright: Toby Churchill Ltd
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* Cribbed from mainstone.c, by Nicholas Pitre
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*/
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#ifndef ASM_ARCH_BALLOON3_H
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#define ASM_ARCH_BALLOON3_H
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enum balloon3_features {
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BALLOON3_FEATURE_OHCI,
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BALLOON3_FEATURE_MMC,
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BALLOON3_FEATURE_CF,
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BALLOON3_FEATURE_AUDIO,
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BALLOON3_FEATURE_TOPPOLY,
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};
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#define BALLOON3_FPGA_PHYS PXA_CS4_PHYS
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#define BALLOON3_FPGA_VIRT (0xf1000000) /* as per balloon2 */
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#define BALLOON3_FPGA_LENGTH 0x01000000
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/* FPGA/CPLD registers */
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#define BALLOON3_PCMCIA0_REG (BALLOON3_FPGA_VIRT + 0x00e00008)
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/* fixme - same for now */
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#define BALLOON3_PCMCIA1_REG (BALLOON3_FPGA_VIRT + 0x00e00008)
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#define BALLOON3_NANDIO_IO_REG (BALLOON3_FPGA_VIRT + 0x00e00000)
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/* fpga/cpld interrupt control register */
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#define BALLOON3_INT_CONTROL_REG (BALLOON3_FPGA_VIRT + 0x00e0000C)
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#define BALLOON3_NANDIO_CTL2_REG (BALLOON3_FPGA_VIRT + 0x00e00010)
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#define BALLOON3_NANDIO_CTL_REG (BALLOON3_FPGA_VIRT + 0x00e00014)
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#define BALLOON3_VERSION_REG (BALLOON3_FPGA_VIRT + 0x00e0001c)
|
||||
|
||||
#define BALLOON3_SAMOSA_ADDR_REG (BALLOON3_FPGA_VIRT + 0x00c00000)
|
||||
#define BALLOON3_SAMOSA_DATA_REG (BALLOON3_FPGA_VIRT + 0x00c00004)
|
||||
#define BALLOON3_SAMOSA_STATUS_REG (BALLOON3_FPGA_VIRT + 0x00c0001c)
|
||||
|
||||
/* GPIOs for irqs */
|
||||
#define BALLOON3_GPIO_AUX_NIRQ (94)
|
||||
#define BALLOON3_GPIO_CODEC_IRQ (95)
|
||||
|
||||
/* Timer and Idle LED locations */
|
||||
#define BALLOON3_GPIO_LED_NAND (9)
|
||||
#define BALLOON3_GPIO_LED_IDLE (10)
|
||||
|
||||
/* backlight control */
|
||||
#define BALLOON3_GPIO_RUN_BACKLIGHT (99)
|
||||
|
||||
#define BALLOON3_GPIO_S0_CD (105)
|
||||
|
||||
/* FPGA Interrupt Mask/Acknowledge Register */
|
||||
#define BALLOON3_INT_S0_IRQ (1 << 0) /* PCMCIA 0 IRQ */
|
||||
#define BALLOON3_INT_S0_STSCHG (1 << 1) /* PCMCIA 0 status changed */
|
||||
|
||||
/* CF Status Register */
|
||||
#define BALLOON3_PCMCIA_nIRQ (1 << 0) /* IRQ / ready signal */
|
||||
#define BALLOON3_PCMCIA_nSTSCHG_BVD1 (1 << 1)
|
||||
/* VDD sense / card status changed */
|
||||
|
||||
/* CF control register (write) */
|
||||
#define BALLOON3_PCMCIA_RESET (1 << 0) /* Card reset signal */
|
||||
#define BALLOON3_PCMCIA_ENABLE (1 << 1)
|
||||
#define BALLOON3_PCMCIA_ADD_ENABLE (1 << 2)
|
||||
|
||||
/* CPLD (and FPGA) interface definitions */
|
||||
#define CPLD_LCD0_DATA_SET 0x00
|
||||
#define CPLD_LCD0_DATA_CLR 0x10
|
||||
#define CPLD_LCD0_COMMAND_SET 0x01
|
||||
#define CPLD_LCD0_COMMAND_CLR 0x11
|
||||
#define CPLD_LCD1_DATA_SET 0x02
|
||||
#define CPLD_LCD1_DATA_CLR 0x12
|
||||
#define CPLD_LCD1_COMMAND_SET 0x03
|
||||
#define CPLD_LCD1_COMMAND_CLR 0x13
|
||||
|
||||
#define CPLD_MISC_SET 0x07
|
||||
#define CPLD_MISC_CLR 0x17
|
||||
#define CPLD_MISC_LOON_NRESET_BIT 0
|
||||
#define CPLD_MISC_LOON_UNSUSP_BIT 1
|
||||
#define CPLD_MISC_RUN_5V_BIT 2
|
||||
#define CPLD_MISC_CHG_D0_BIT 3
|
||||
#define CPLD_MISC_CHG_D1_BIT 4
|
||||
#define CPLD_MISC_DAC_NCS_BIT 5
|
||||
|
||||
#define CPLD_LCD_SET 0x08
|
||||
#define CPLD_LCD_CLR 0x18
|
||||
#define CPLD_LCD_BACKLIGHT_EN_0_BIT 0
|
||||
#define CPLD_LCD_BACKLIGHT_EN_1_BIT 1
|
||||
#define CPLD_LCD_LED_RED_BIT 4
|
||||
#define CPLD_LCD_LED_GREEN_BIT 5
|
||||
#define CPLD_LCD_NRESET_BIT 7
|
||||
|
||||
#define CPLD_LCD_RO_SET 0x09
|
||||
#define CPLD_LCD_RO_CLR 0x19
|
||||
#define CPLD_LCD_RO_LCD0_nWAIT_BIT 0
|
||||
#define CPLD_LCD_RO_LCD1_nWAIT_BIT 1
|
||||
|
||||
#define CPLD_SERIAL_SET 0x0a
|
||||
#define CPLD_SERIAL_CLR 0x1a
|
||||
#define CPLD_SERIAL_GSM_RI_BIT 0
|
||||
#define CPLD_SERIAL_GSM_CTS_BIT 1
|
||||
#define CPLD_SERIAL_GSM_DTR_BIT 2
|
||||
#define CPLD_SERIAL_LPR_CTS_BIT 3
|
||||
#define CPLD_SERIAL_TC232_CTS_BIT 4
|
||||
#define CPLD_SERIAL_TC232_DSR_BIT 5
|
||||
|
||||
#define CPLD_SROUTING_SET 0x0b
|
||||
#define CPLD_SROUTING_CLR 0x1b
|
||||
#define CPLD_SROUTING_MSP430_LPR 0
|
||||
#define CPLD_SROUTING_MSP430_TC232 1
|
||||
#define CPLD_SROUTING_MSP430_GSM 2
|
||||
#define CPLD_SROUTING_LOON_LPR (0 << 4)
|
||||
#define CPLD_SROUTING_LOON_TC232 (1 << 4)
|
||||
#define CPLD_SROUTING_LOON_GSM (2 << 4)
|
||||
|
||||
#define CPLD_AROUTING_SET 0x0c
|
||||
#define CPLD_AROUTING_CLR 0x1c
|
||||
#define CPLD_AROUTING_MIC2PHONE_BIT 0
|
||||
#define CPLD_AROUTING_PHONE2INT_BIT 1
|
||||
#define CPLD_AROUTING_PHONE2EXT_BIT 2
|
||||
#define CPLD_AROUTING_LOONL2INT_BIT 3
|
||||
#define CPLD_AROUTING_LOONL2EXT_BIT 4
|
||||
#define CPLD_AROUTING_LOONR2PHONE_BIT 5
|
||||
#define CPLD_AROUTING_LOONR2INT_BIT 6
|
||||
#define CPLD_AROUTING_LOONR2EXT_BIT 7
|
||||
|
||||
extern int balloon3_has(enum balloon3_features feature);
|
||||
|
||||
#endif
|
@ -263,6 +263,16 @@
|
||||
#define MAINSTONE_S1_STSCHG_IRQ MAINSTONE_IRQ(14)
|
||||
#define MAINSTONE_S1_IRQ MAINSTONE_IRQ(15)
|
||||
|
||||
/* Balloon3 Interrupts */
|
||||
#define BALLOON3_IRQ(x) (IRQ_BOARD_START + (x))
|
||||
|
||||
#define BALLOON3_BP_CF_NRDY_IRQ BALLOON3_IRQ(0)
|
||||
#define BALLOON3_BP_NSTSCHG_IRQ BALLOON3_IRQ(1)
|
||||
|
||||
#define BALLOON3_AUX_NIRQ IRQ_GPIO(BALLOON3_GPIO_AUX_NIRQ)
|
||||
#define BALLOON3_CODEC_IRQ IRQ_GPIO(BALLOON3_GPIO_CODEC_IRQ)
|
||||
#define BALLOON3_S0_CD_IRQ IRQ_GPIO(BALLOON3_GPIO_S0_CD)
|
||||
|
||||
/* LoCoMo Interrupts (CONFIG_SHARP_LOCOMO) */
|
||||
#define IRQ_LOCOMO_KEY_BASE (IRQ_BOARD_START + 0)
|
||||
#define IRQ_LOCOMO_GPIO_BASE (IRQ_BOARD_START + 1)
|
||||
|
@ -37,7 +37,7 @@ static inline void arch_decomp_setup(void)
|
||||
{
|
||||
if (machine_is_littleton() || machine_is_intelmote2()
|
||||
|| machine_is_csb726() || machine_is_stargate2()
|
||||
|| machine_is_cm_x300())
|
||||
|| machine_is_cm_x300() || machine_is_balloon3())
|
||||
UART = STUART;
|
||||
}
|
||||
|
||||
|
Loading…
Reference in New Issue
Block a user