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author | David S. Miller <davem@davemloft.net> | 2008-10-11 12:39:35 -0700 |
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committer | David S. Miller <davem@davemloft.net> | 2008-10-11 12:39:35 -0700 |
commit | 56c5d900dbb8e042bfad035d18433476931d8f93 (patch) | |
tree | 00b793965beeef10db03e0ff021d2d965c410759 /arch/arm/mach-pxa/cm-x2xx.c | |
parent | 4dd95b63ae25c5cad6986829b5e8788e9faa0330 (diff) | |
parent | ead9d23d803ea3a73766c3cb27bf7563ac8d7266 (diff) | |
download | op-kernel-dev-56c5d900dbb8e042bfad035d18433476931d8f93.zip op-kernel-dev-56c5d900dbb8e042bfad035d18433476931d8f93.tar.gz |
Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/torvalds/linux-2.6
Conflicts:
sound/core/memalloc.c
Diffstat (limited to 'arch/arm/mach-pxa/cm-x2xx.c')
-rw-r--r-- | arch/arm/mach-pxa/cm-x2xx.c | 531 |
1 files changed, 531 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 0000000..0b3ce3b --- /dev/null +++ b/arch/arm/mach-pxa/cm-x2xx.c @@ -0,0 +1,531 @@ +/* + * 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/sysdev.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/pxa2xx-regs.h> +#include <mach/mfp-pxa27x.h> +#include <mach/pxa-regs.h> +#include <mach/audio.h> +#include <mach/pxafb.h> + +#include <asm/hardware/it8152.h> + +#include "generic.h" +#include "cm-x2xx-pci.h" + +extern void cmx255_init(void); +extern void cmx270_init(void); + +/* virtual addresses for statically mapped regions */ +#define CMX2XX_VIRT_BASE (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 IRQ_GPIO(GPIO22_ETHIRQ) +#define CMX270_ETHIRQ IRQ_GPIO(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, +}; + +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_ts", + .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, + .lccr0 = 0, + .lccr3 = (LCCR3_PixClkDiv(0x03) | + LCCR3_Acb(0xff) | + LCCR3_PCP), + .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, + .lccr0 = (LCCR0_PAS), + .lccr3 = (LCCR3_PixClkDiv(0x01) | + LCCR3_Acb(0xff) | + LCCR3_PCP), + .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, + .lccr0 = (LCCR0_PAS), + .lccr3 = (LCCR3_PixClkDiv(0x01) | + LCCR3_Acb(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, + .lccr0 = (LCCR0_PAS), + .lccr3 = (LCCR3_PixClkDiv(0x02) | + LCCR3_Acb(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, + .lccr0 = (LCCR0_PAS), + .lccr3 = (LCCR3_PixClkDiv(0x06) | + LCCR3_Acb(0xff) | + LCCR3_PCP), + .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, + .lccr0 = 0, + .lccr3 = (LCCR3_PixClkDiv(0x02) | + LCCR3_Acb(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) +{ + set_pxa_fb_info(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(struct sys_device *dev, pm_message_t state) +{ + cmx2xx_pci_suspend(); + + /* save MSC registers */ + sleep_save_msc[0] = MSC0; + sleep_save_msc[1] = MSC1; + sleep_save_msc[2] = 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 int cmx2xx_resume(struct sys_device *dev) +{ + cmx2xx_pci_resume(); + + /* restore MSC registers */ + MSC0 = sleep_save_msc[0]; + MSC1 = sleep_save_msc[1]; + MSC2 = sleep_save_msc[2]; + + return 0; +} + +static struct sysdev_class cmx2xx_pm_sysclass = { + .name = "pm", + .resume = cmx2xx_resume, + .suspend = cmx2xx_suspend, +}; + +static struct sys_device cmx2xx_pm_device = { + .cls = &cmx2xx_pm_sysclass, +}; + +static int __init cmx2xx_pm_init(void) +{ + int error; + error = sysdev_class_register(&cmx2xx_pm_sysclass); + if (error == 0) + error = sysdev_register(&cmx2xx_pm_device); + return error; +} +#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) +{ + 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) +{ + pxa27x_init_irq(); + + 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 = CMX2XX_IT8152_VIRT, + .pfn = __phys_to_pfn(PXA_CS4_PHYS), + .length = SZ_64M, + .type = MT_DEVICE + }, +}; + +static void __init cmx2xx_map_io(void) +{ + pxa_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) +{ + pxa_map_io(); +} +#endif + +MACHINE_START(ARMCORE, "Compulab CM-X2XX") + .boot_params = 0xa0000100, + .phys_io = 0x40000000, + .io_pg_offst = (io_p2v(0x40000000) >> 18) & 0xfffc, + .map_io = cmx2xx_map_io, + .init_irq = cmx2xx_init_irq, + .timer = &pxa_timer, + .init_machine = cmx2xx_init, +MACHINE_END |