1 files changed, 528 insertions, 0 deletions
diff --git a/arch/arm/mach-pxa/cm-x2xx.c b/arch/arm/mach-pxa/cm-x2xx.c
new file mode 100644
index 00000000..8fa4ad27
--- /dev/null
+++ b/arch/arm/mach-pxa/cm-x2xx.c
@@ -0,0 +1,528 @@
+/*
+ * linux/arch/arm/mach-pxa/cm-x2xx.c
+ *
+ * Copyright (C) 2008 CompuLab, Ltd.
+ * Mike Rapoport <mike@compulab.co.il>
+ *
+ * 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/platform_device.h>
+#include <linux/syscore_ops.h>
+#include <linux/irq.h>
+#include <linux/gpio.h>
+
+#include <linux/dm9000.h>
+#include <linux/leds.h>
+
+#include <asm/mach/arch.h>
+#include <asm/mach-types.h>
+#include <asm/mach/map.h>
+
+#include <mach/pxa25x.h>
+#include <mach/pxa27x.h>
+#include <mach/audio.h>
+#include <mach/pxafb.h>
+#include <mach/smemc.h>
+
+#include <asm/hardware/it8152.h>
+
+#include "generic.h"
+#include "cm-x2xx-pci.h"
+
+extern void cmx255_init(void);
+extern void cmx270_init(void);
+
+/* reserve IRQs for IT8152 */
+#define CMX2XX_NR_IRQS		(IRQ_BOARD_START + 40)
+
+/* virtual addresses for statically mapped regions */
+#define CMX2XX_VIRT_BASE	(void __iomem *)(0xe8000000)
+#define CMX2XX_IT8152_VIRT	(CMX2XX_VIRT_BASE)
+
+/* physical address if local-bus attached devices */
+#define CMX255_DM9000_PHYS_BASE (PXA_CS1_PHYS + (8 << 22))
+#define CMX270_DM9000_PHYS_BASE	(PXA_CS1_PHYS + (6 << 22))
+
+/* leds */
+#define CMX255_GPIO_RED		(27)
+#define CMX255_GPIO_GREEN	(32)
+#define CMX270_GPIO_RED		(93)
+#define CMX270_GPIO_GREEN	(94)
+
+/* GPIO IRQ usage */
+#define GPIO22_ETHIRQ		(22)
+#define GPIO10_ETHIRQ		(10)
+#define CMX255_GPIO_IT8152_IRQ	(0)
+#define CMX270_GPIO_IT8152_IRQ	(22)
+
+#define CMX255_ETHIRQ		PXA_GPIO_TO_IRQ(GPIO22_ETHIRQ)
+#define CMX270_ETHIRQ		PXA_GPIO_TO_IRQ(GPIO10_ETHIRQ)
+
+#if defined(CONFIG_DM9000) || defined(CONFIG_DM9000_MODULE)
+static struct resource cmx255_dm9000_resource[] = {
+	[0] = {
+		.start = CMX255_DM9000_PHYS_BASE,
+		.end   = CMX255_DM9000_PHYS_BASE + 3,
+		.flags = IORESOURCE_MEM,
+	},
+	[1] = {
+		.start = CMX255_DM9000_PHYS_BASE + 4,
+		.end   = CMX255_DM9000_PHYS_BASE + 4 + 500,
+		.flags = IORESOURCE_MEM,
+	},
+	[2] = {
+		.start = CMX255_ETHIRQ,
+		.end   = CMX255_ETHIRQ,
+		.flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE,
+	}
+};
+
+static struct resource cmx270_dm9000_resource[] = {
+	[0] = {
+		.start = CMX270_DM9000_PHYS_BASE,
+		.end   = CMX270_DM9000_PHYS_BASE + 3,
+		.flags = IORESOURCE_MEM,
+	},
+	[1] = {
+		.start = CMX270_DM9000_PHYS_BASE + 8,
+		.end   = CMX270_DM9000_PHYS_BASE + 8 + 500,
+		.flags = IORESOURCE_MEM,
+	},
+	[2] = {
+		.start = CMX270_ETHIRQ,
+		.end   = CMX270_ETHIRQ,
+		.flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE,
+	}
+};
+
+static struct dm9000_plat_data cmx270_dm9000_platdata = {
+	.flags		= DM9000_PLATF_32BITONLY | DM9000_PLATF_NO_EEPROM,
+};
+
+static struct platform_device cmx2xx_dm9000_device = {
+	.name		= "dm9000",
+	.id		= 0,
+	.num_resources	= ARRAY_SIZE(cmx270_dm9000_resource),
+	.dev		= {
+		.platform_data = &cmx270_dm9000_platdata,
+	}
+};
+
+static void __init cmx2xx_init_dm9000(void)
+{
+	if (cpu_is_pxa25x())
+		cmx2xx_dm9000_device.resource = cmx255_dm9000_resource;
+	else
+		cmx2xx_dm9000_device.resource = cmx270_dm9000_resource;
+	platform_device_register(&cmx2xx_dm9000_device);
+}
+#else
+static inline void cmx2xx_init_dm9000(void) {}
+#endif
+
+/* UCB1400 touchscreen controller */
+#if defined(CONFIG_TOUCHSCREEN_UCB1400) || defined(CONFIG_TOUCHSCREEN_UCB1400_MODULE)
+static struct platform_device cmx2xx_ts_device = {
+	.name		= "ucb1400_core",
+	.id		= -1,
+};
+
+static void __init cmx2xx_init_touchscreen(void)
+{
+	platform_device_register(&cmx2xx_ts_device);
+}
+#else
+static inline void cmx2xx_init_touchscreen(void) {}
+#endif
+
+/* CM-X270 LEDs */
+#if defined(CONFIG_LEDS_GPIO) || defined(CONFIG_LEDS_GPIO_MODULE)
+static struct gpio_led cmx2xx_leds[] = {
+	[0] = {
+		.name = "cm-x2xx:red",
+		.default_trigger = "nand-disk",
+		.active_low = 1,
+	},
+	[1] = {
+		.name = "cm-x2xx:green",
+		.default_trigger = "heartbeat",
+		.active_low = 1,
+	},
+};
+
+static struct gpio_led_platform_data cmx2xx_gpio_led_pdata = {
+	.num_leds = ARRAY_SIZE(cmx2xx_leds),
+	.leds = cmx2xx_leds,
+};
+
+static struct platform_device cmx2xx_led_device = {
+	.name		= "leds-gpio",
+	.id		= -1,
+	.dev		= {
+		.platform_data = &cmx2xx_gpio_led_pdata,
+	},
+};
+
+static void __init cmx2xx_init_leds(void)
+{
+	if (cpu_is_pxa25x()) {
+		cmx2xx_leds[0].gpio = CMX255_GPIO_RED;
+		cmx2xx_leds[1].gpio = CMX255_GPIO_GREEN;
+	} else {
+		cmx2xx_leds[0].gpio = CMX270_GPIO_RED;
+		cmx2xx_leds[1].gpio = CMX270_GPIO_GREEN;
+	}
+	platform_device_register(&cmx2xx_led_device);
+}
+#else
+static inline void cmx2xx_init_leds(void) {}
+#endif
+
+#if defined(CONFIG_FB_PXA) || defined(CONFIG_FB_PXA_MODULE)
+/*
+  Display definitions
+  keep these for backwards compatibility, although symbolic names (as
+  e.g. in lpd270.c) looks better
+*/
+#define MTYPE_STN320x240	0
+#define MTYPE_TFT640x480	1
+#define MTYPE_CRT640x480	2
+#define MTYPE_CRT800x600	3
+#define MTYPE_TFT320x240	6
+#define MTYPE_STN640x480	7
+
+static struct pxafb_mode_info generic_stn_320x240_mode = {
+	.pixclock	= 76923,
+	.bpp		= 8,
+	.xres		= 320,
+	.yres		= 240,
+	.hsync_len	= 3,
+	.vsync_len	= 2,
+	.left_margin	= 3,
+	.upper_margin	= 0,
+	.right_margin	= 3,
+	.lower_margin	= 0,
+	.sync		= (FB_SYNC_HOR_HIGH_ACT |
+			   FB_SYNC_VERT_HIGH_ACT),
+	.cmap_greyscale = 0,
+};
+
+static struct pxafb_mach_info generic_stn_320x240 = {
+	.modes		= &generic_stn_320x240_mode,
+	.num_modes	= 1,
+	.lcd_conn	= LCD_COLOR_STN_8BPP | LCD_PCLK_EDGE_FALL |\
+			  LCD_AC_BIAS_FREQ(0xff),
+	.cmap_inverse	= 0,
+	.cmap_static	= 0,
+};
+
+static struct pxafb_mode_info generic_tft_640x480_mode = {
+	.pixclock	= 38461,
+	.bpp		= 8,
+	.xres		= 640,
+	.yres		= 480,
+	.hsync_len	= 60,
+	.vsync_len	= 2,
+	.left_margin	= 70,
+	.upper_margin	= 10,
+	.right_margin	= 70,
+	.lower_margin	= 5,
+	.sync		= 0,
+	.cmap_greyscale = 0,
+};
+
+static struct pxafb_mach_info generic_tft_640x480 = {
+	.modes		= &generic_tft_640x480_mode,
+	.num_modes	= 1,
+	.lcd_conn	= LCD_COLOR_TFT_8BPP | LCD_PCLK_EDGE_FALL |\
+			  LCD_AC_BIAS_FREQ(0xff),
+	.cmap_inverse	= 0,
+	.cmap_static	= 0,
+};
+
+static struct pxafb_mode_info generic_crt_640x480_mode = {
+	.pixclock	= 38461,
+	.bpp		= 8,
+	.xres		= 640,
+	.yres		= 480,
+	.hsync_len	= 63,
+	.vsync_len	= 2,
+	.left_margin	= 81,
+	.upper_margin	= 33,
+	.right_margin	= 16,
+	.lower_margin	= 10,
+	.sync		= (FB_SYNC_HOR_HIGH_ACT |
+			   FB_SYNC_VERT_HIGH_ACT),
+	.cmap_greyscale = 0,
+};
+
+static struct pxafb_mach_info generic_crt_640x480 = {
+	.modes		= &generic_crt_640x480_mode,
+	.num_modes	= 1,
+	.lcd_conn	= LCD_COLOR_TFT_8BPP | LCD_AC_BIAS_FREQ(0xff),
+	.cmap_inverse	= 0,
+	.cmap_static	= 0,
+};
+
+static struct pxafb_mode_info generic_crt_800x600_mode = {
+	.pixclock	= 28846,
+	.bpp		= 8,
+	.xres		= 800,
+	.yres	  	= 600,
+	.hsync_len	= 63,
+	.vsync_len	= 2,
+	.left_margin	= 26,
+	.upper_margin	= 21,
+	.right_margin	= 26,
+	.lower_margin	= 11,
+	.sync		= (FB_SYNC_HOR_HIGH_ACT |
+			   FB_SYNC_VERT_HIGH_ACT),
+	.cmap_greyscale = 0,
+};
+
+static struct pxafb_mach_info generic_crt_800x600 = {
+	.modes		= &generic_crt_800x600_mode,
+	.num_modes	= 1,
+	.lcd_conn	= LCD_COLOR_TFT_8BPP | LCD_AC_BIAS_FREQ(0xff),
+	.cmap_inverse	= 0,
+	.cmap_static	= 0,
+};
+
+static struct pxafb_mode_info generic_tft_320x240_mode = {
+	.pixclock	= 134615,
+	.bpp		= 16,
+	.xres		= 320,
+	.yres		= 240,
+	.hsync_len	= 63,
+	.vsync_len	= 7,
+	.left_margin	= 75,
+	.upper_margin	= 0,
+	.right_margin	= 15,
+	.lower_margin	= 15,
+	.sync		= 0,
+	.cmap_greyscale = 0,
+};
+
+static struct pxafb_mach_info generic_tft_320x240 = {
+	.modes		= &generic_tft_320x240_mode,
+	.num_modes	= 1,
+	.lcd_conn	= LCD_COLOR_TFT_16BPP | LCD_AC_BIAS_FREQ(0xff),
+	.cmap_inverse	= 0,
+	.cmap_static	= 0,
+};
+
+static struct pxafb_mode_info generic_stn_640x480_mode = {
+	.pixclock	= 57692,
+	.bpp		= 8,
+	.xres		= 640,
+	.yres		= 480,
+	.hsync_len	= 4,
+	.vsync_len	= 2,
+	.left_margin	= 10,
+	.upper_margin	= 5,
+	.right_margin	= 10,
+	.lower_margin	= 5,
+	.sync		= (FB_SYNC_HOR_HIGH_ACT |
+			   FB_SYNC_VERT_HIGH_ACT),
+	.cmap_greyscale = 0,
+};
+
+static struct pxafb_mach_info generic_stn_640x480 = {
+	.modes		= &generic_stn_640x480_mode,
+	.num_modes	= 1,
+	.lcd_conn	= LCD_COLOR_STN_8BPP | LCD_AC_BIAS_FREQ(0xff),
+	.cmap_inverse	= 0,
+	.cmap_static	= 0,
+};
+
+static struct pxafb_mach_info *cmx2xx_display = &generic_crt_640x480;
+
+static int __init cmx2xx_set_display(char *str)
+{
+	int disp_type = simple_strtol(str, NULL, 0);
+	switch (disp_type) {
+	case MTYPE_STN320x240:
+		cmx2xx_display = &generic_stn_320x240;
+		break;
+	case MTYPE_TFT640x480:
+		cmx2xx_display = &generic_tft_640x480;
+		break;
+	case MTYPE_CRT640x480:
+		cmx2xx_display = &generic_crt_640x480;
+		break;
+	case MTYPE_CRT800x600:
+		cmx2xx_display = &generic_crt_800x600;
+		break;
+	case MTYPE_TFT320x240:
+		cmx2xx_display = &generic_tft_320x240;
+		break;
+	case MTYPE_STN640x480:
+		cmx2xx_display = &generic_stn_640x480;
+		break;
+	default: /* fallback to CRT 640x480 */
+		cmx2xx_display = &generic_crt_640x480;
+		break;
+	}
+	return 1;
+}
+
+/*
+   This should be done really early to get proper configuration for
+   frame buffer.
+   Indeed, pxafb parameters can be used istead, but CM-X2XX bootloader
+   has limitied line length for kernel command line, and also it will
+   break compatibitlty with proprietary releases already in field.
+*/
+__setup("monitor=", cmx2xx_set_display);
+
+static void __init cmx2xx_init_display(void)
+{
+	pxa_set_fb_info(NULL, cmx2xx_display);
+}
+#else
+static inline void cmx2xx_init_display(void) {}
+#endif
+
+#ifdef CONFIG_PM
+static unsigned long sleep_save_msc[10];
+
+static int cmx2xx_suspend(void)
+{
+	cmx2xx_pci_suspend();
+
+	/* save MSC registers */
+	sleep_save_msc[0] = __raw_readl(MSC0);
+	sleep_save_msc[1] = __raw_readl(MSC1);
+	sleep_save_msc[2] = __raw_readl(MSC2);
+
+	/* setup power saving mode registers */
+	PCFR = 0x0;
+	PSLR = 0xff400000;
+	PMCR  = 0x00000005;
+	PWER  = 0x80000000;
+	PFER  = 0x00000000;
+	PRER  = 0x00000000;
+	PGSR0 = 0xC0018800;
+	PGSR1 = 0x004F0002;
+	PGSR2 = 0x6021C000;
+	PGSR3 = 0x00020000;
+
+	return 0;
+}
+
+static void cmx2xx_resume(void)
+{
+	cmx2xx_pci_resume();
+
+	/* restore MSC registers */
+	__raw_writel(sleep_save_msc[0], MSC0);
+	__raw_writel(sleep_save_msc[1], MSC1);
+	__raw_writel(sleep_save_msc[2], MSC2);
+}
+
+static struct syscore_ops cmx2xx_pm_syscore_ops = {
+	.resume = cmx2xx_resume,
+	.suspend = cmx2xx_suspend,
+};
+
+static int __init cmx2xx_pm_init(void)
+{
+	register_syscore_ops(&cmx2xx_pm_syscore_ops);
+
+	return 0;
+}
+#else
+static int __init cmx2xx_pm_init(void) { return 0; }
+#endif
+
+#if defined(CONFIG_SND_PXA2XX_AC97) || defined(CONFIG_SND_PXA2XX_AC97_MODULE)
+static void __init cmx2xx_init_ac97(void)
+{
+	pxa_set_ac97_info(NULL);
+}
+#else
+static inline void cmx2xx_init_ac97(void) {}
+#endif
+
+static void __init cmx2xx_init(void)
+{
+	pxa_set_ffuart_info(NULL);
+	pxa_set_btuart_info(NULL);
+	pxa_set_stuart_info(NULL);
+
+	cmx2xx_pm_init();
+
+	if (cpu_is_pxa25x())
+		cmx255_init();
+	else
+		cmx270_init();
+
+	cmx2xx_init_dm9000();
+	cmx2xx_init_display();
+	cmx2xx_init_ac97();
+	cmx2xx_init_touchscreen();
+	cmx2xx_init_leds();
+}
+
+static void __init cmx2xx_init_irq(void)
+{
+	if (cpu_is_pxa25x()) {
+		pxa25x_init_irq();
+		cmx2xx_pci_init_irq(CMX255_GPIO_IT8152_IRQ);
+	} else {
+		pxa27x_init_irq();
+		cmx2xx_pci_init_irq(CMX270_GPIO_IT8152_IRQ);
+	}
+}
+
+#ifdef CONFIG_PCI
+/* Map PCI companion statically */
+static struct map_desc cmx2xx_io_desc[] __initdata = {
+	[0] = { /* PCI bridge */
+		.virtual	= (unsigned long)CMX2XX_IT8152_VIRT,
+		.pfn		= __phys_to_pfn(PXA_CS4_PHYS),
+		.length		= SZ_64M,
+		.type		= MT_DEVICE
+	},
+};
+
+static void __init cmx2xx_map_io(void)
+{
+	if (cpu_is_pxa25x())
+		pxa25x_map_io();
+
+	if (cpu_is_pxa27x())
+		pxa27x_map_io();
+
+	iotable_init(cmx2xx_io_desc, ARRAY_SIZE(cmx2xx_io_desc));
+
+	it8152_base_address = CMX2XX_IT8152_VIRT;
+}
+#else
+static void __init cmx2xx_map_io(void)
+{
+	if (cpu_is_pxa25x())
+		pxa25x_map_io();
+
+	if (cpu_is_pxa27x())
+		pxa27x_map_io();
+}
+#endif
+
+MACHINE_START(ARMCORE, "Compulab CM-X2XX")
+	.atag_offset	= 0x100,
+	.map_io		= cmx2xx_map_io,
+	.nr_irqs	= CMX2XX_NR_IRQS,
+	.init_irq	= cmx2xx_init_irq,
+	/* NOTE: pxa25x_handle_irq() works on PXA27x w/o camera support */
+	.handle_irq	= pxa25x_handle_irq,
+	.timer		= &pxa_timer,
+	.init_machine	= cmx2xx_init,
+#ifdef CONFIG_PCI
+	.dma_zone_size	= SZ_64M,
+#endif
+	.restart	= pxa_restart,
+MACHINE_END