--- /dev/null
+/*
+ * 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>
+#undef GPIO24_SSP1_SFRM
+#include <mach/pxa27x.h>
+#include <mach/audio.h>
+#include <linux/platform_data/video-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,
+ .init_time = pxa_timer_init,
+ .init_machine = cmx2xx_init,
+#ifdef CONFIG_PCI
+ .dma_zone_size = SZ_64M,
+#endif
+ .restart = pxa_restart,
+MACHINE_END
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