diff options
Diffstat (limited to 'arch/arm/mach-pxa/cm-x270.c')
| -rw-r--r-- | arch/arm/mach-pxa/cm-x270.c | 634 |
1 files changed, 166 insertions, 468 deletions
diff --git a/arch/arm/mach-pxa/cm-x270.c b/arch/arm/mach-pxa/cm-x270.c index f5851d1adc2..a82dad1a8cc 100644 --- a/arch/arm/mach-pxa/cm-x270.c +++ b/arch/arm/mach-pxa/cm-x270.c @@ -1,7 +1,7 @@ /* * linux/arch/arm/mach-pxa/cm-x270.c * - * Copyright (C) 2007 CompuLab, Ltd. + * Copyright (C) 2007, 2008 CompuLab, Ltd. * Mike Rapoport <mike@compulab.co.il> * * This program is free software; you can redistribute it and/or modify @@ -9,91 +9,132 @@ * published by the Free Software Foundation. */ -#include <linux/types.h> -#include <linux/pm.h> -#include <linux/fb.h> #include <linux/platform_device.h> -#include <linux/irq.h> #include <linux/sysdev.h> -#include <linux/io.h> -#include <linux/delay.h> +#include <linux/irq.h> +#include <linux/gpio.h> -#include <linux/dm9000.h> #include <linux/rtc-v3020.h> -#include <linux/serial_8250.h> - #include <video/mbxfb.h> -#include <asm/mach/arch.h> -#include <asm/mach-types.h> -#include <asm/mach/map.h> - -#include <asm/arch/pxa-regs.h> -#include <asm/arch/pxa2xx-regs.h> -#include <asm/arch/pxa2xx-gpio.h> -#include <asm/arch/pxafb.h> -#include <asm/arch/ohci.h> -#include <asm/arch/mmc.h> -#include <asm/arch/bitfield.h> -#include <asm/arch/cm-x270.h> - -#include <asm/hardware/it8152.h> +#include <mach/mfp-pxa27x.h> +#include <mach/ohci.h> +#include <mach/mmc.h> #include "generic.h" -#include "cm-x270-pci.h" +/* physical address if local-bus attached devices */ #define RTC_PHYS_BASE (PXA_CS1_PHYS + (5 << 22)) -#define DM9000_PHYS_BASE (PXA_CS1_PHYS + (6 << 22)) - -static struct resource cmx270_dm9k_resource[] = { - [0] = { - .start = DM9000_PHYS_BASE, - .end = DM9000_PHYS_BASE + 4, - .flags = IORESOURCE_MEM, - }, - [1] = { - .start = DM9000_PHYS_BASE + 8, - .end = DM9000_PHYS_BASE + 8 + 500, - .flags = IORESOURCE_MEM, - }, - [2] = { - .start = CMX270_ETHIRQ, - .end = CMX270_ETHIRQ, - .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE, - } -}; -/* for the moment we limit ourselves to 32bit IO until some - * better IO routines can be written and tested - */ -static struct dm9000_plat_data cmx270_dm9k_platdata = { - .flags = DM9000_PLATF_32BITONLY, +/* GPIO IRQ usage */ +#define GPIO83_MMC_IRQ (83) + +#define CMX270_MMC_IRQ IRQ_GPIO(GPIO83_MMC_IRQ) + +/* MMC power enable */ +#define GPIO105_MMC_POWER (105) + +static unsigned long cmx270_pin_config[] = { + /* AC'97 */ + GPIO28_AC97_BITCLK, + GPIO29_AC97_SDATA_IN_0, + GPIO30_AC97_SDATA_OUT, + GPIO31_AC97_SYNC, + GPIO98_AC97_SYSCLK, + GPIO113_AC97_nRESET, + + /* BTUART */ + GPIO42_BTUART_RXD, + GPIO43_BTUART_TXD, + GPIO44_BTUART_CTS, + GPIO45_BTUART_RTS, + + /* STUART */ + GPIO46_STUART_RXD, + GPIO47_STUART_TXD, + + /* MCI controller */ + GPIO32_MMC_CLK, + GPIO112_MMC_CMD, + GPIO92_MMC_DAT_0, + GPIO109_MMC_DAT_1, + GPIO110_MMC_DAT_2, + GPIO111_MMC_DAT_3, + + /* LCD */ + GPIO58_LCD_LDD_0, + GPIO59_LCD_LDD_1, + GPIO60_LCD_LDD_2, + GPIO61_LCD_LDD_3, + GPIO62_LCD_LDD_4, + GPIO63_LCD_LDD_5, + GPIO64_LCD_LDD_6, + GPIO65_LCD_LDD_7, + GPIO66_LCD_LDD_8, + GPIO67_LCD_LDD_9, + GPIO68_LCD_LDD_10, + GPIO69_LCD_LDD_11, + GPIO70_LCD_LDD_12, + GPIO71_LCD_LDD_13, + GPIO72_LCD_LDD_14, + GPIO73_LCD_LDD_15, + GPIO74_LCD_FCLK, + GPIO75_LCD_LCLK, + GPIO76_LCD_PCLK, + GPIO77_LCD_BIAS, + + /* I2C */ + GPIO117_I2C_SCL, + GPIO118_I2C_SDA, + + /* SSP1 */ + GPIO23_SSP1_SCLK, + GPIO24_SSP1_SFRM, + GPIO25_SSP1_TXD, + GPIO26_SSP1_RXD, + + /* SSP2 */ + GPIO19_SSP2_SCLK, + GPIO14_SSP2_SFRM, + GPIO87_SSP2_TXD, + GPIO88_SSP2_RXD, + + /* PC Card */ + GPIO48_nPOE, + GPIO49_nPWE, + GPIO50_nPIOR, + GPIO51_nPIOW, + GPIO85_nPCE_1, + GPIO54_nPCE_2, + GPIO55_nPREG, + GPIO56_nPWAIT, + GPIO57_nIOIS16, + + /* SDRAM and local bus */ + GPIO15_nCS_1, + GPIO78_nCS_2, + GPIO79_nCS_3, + GPIO80_nCS_4, + GPIO33_nCS_5, + GPIO49_nPWE, + GPIO18_RDY, + + /* GPIO */ + GPIO0_GPIO | WAKEUP_ON_EDGE_BOTH, + GPIO105_GPIO | MFP_LPM_DRIVE_HIGH, /* MMC/SD power */ + GPIO53_GPIO, /* PC card reset */ + + /* NAND controls */ + GPIO11_GPIO | MFP_LPM_DRIVE_HIGH, /* NAND CE# */ + GPIO89_GPIO, /* NAND Ready/Busy */ + + /* interrupts */ + GPIO10_GPIO, /* DM9000 interrupt */ + GPIO83_GPIO, /* MMC card detect */ }; -/* Ethernet device */ -static struct platform_device cmx270_device_dm9k = { - .name = "dm9000", - .id = 0, - .num_resources = ARRAY_SIZE(cmx270_dm9k_resource), - .resource = cmx270_dm9k_resource, - .dev = { - .platform_data = &cmx270_dm9k_platdata, - } -}; - -/* audio device */ -static struct platform_device cmx270_audio_device = { - .name = "pxa2xx-ac97", - .id = -1, -}; - -/* touchscreen controller */ -static struct platform_device cmx270_ts_device = { - .name = "ucb1400_ts", - .id = -1, -}; - -/* RTC */ +/* V3020 RTC */ +#if defined(CONFIG_RTC_DRV_V3020) || defined(CONFIG_RTC_DRV_V3020_MODULE) static struct resource cmx270_v3020_resource[] = { [0] = { .start = RTC_PHYS_BASE, @@ -116,28 +157,29 @@ static struct platform_device cmx270_rtc_device = { } }; -/* - * CM-X270 LEDs - */ -static struct platform_device cmx270_led_device = { - .name = "cm-x270-led", - .id = -1, -}; +static void __init cmx270_init_rtc(void) +{ + platform_device_register(&cmx270_rtc_device); +} +#else +static inline void cmx2xx_init_rtc(void) {} +#endif /* 2700G graphics */ +#if defined(CONFIG_FB_MBX) || defined(CONFIG_FB_MBX_MODULE) static u64 fb_dma_mask = ~(u64)0; static struct resource cmx270_2700G_resource[] = { /* frame buffer memory including ODFB and External SDRAM */ [0] = { - .start = MARATHON_PHYS, - .end = MARATHON_PHYS + 0x02000000, + .start = PXA_CS2_PHYS, + .end = PXA_CS2_PHYS + 0x01ffffff, .flags = IORESOURCE_MEM, }, /* Marathon registers */ [1] = { - .start = MARATHON_PHYS + 0x03fe0000, - .end = MARATHON_PHYS + 0x03ffffff, + .start = PXA_CS2_PHYS + 0x03fe0000, + .end = PXA_CS2_PHYS + 0x03ffffff, .flags = IORESOURCE_MEM, }, }; @@ -205,297 +247,52 @@ static struct platform_device cmx270_2700G = { .id = -1, }; -static u64 ata_dma_mask = ~(u64)0; - -static struct platform_device cmx270_ata = { - .name = "pata_cm_x270", - .id = -1, - .dev = { - .dma_mask = &ata_dma_mask, - .coherent_dma_mask = 0xffffffff, - }, -}; - -/* platform devices */ -static struct platform_device *platform_devices[] __initdata = { - &cmx270_device_dm9k, - &cmx270_audio_device, - &cmx270_rtc_device, - &cmx270_2700G, - &cmx270_led_device, - &cmx270_ts_device, - &cmx270_ata, -}; - -/* Map PCI companion and IDE/General Purpose CS statically */ -static struct map_desc cmx270_io_desc[] __initdata = { - [0] = { /* IDE/general purpose space */ - .virtual = CMX270_IDE104_VIRT, - .pfn = __phys_to_pfn(CMX270_IDE104_PHYS), - .length = SZ_64M - SZ_8M, - .type = MT_DEVICE - }, - [1] = { /* PCI bridge */ - .virtual = CMX270_IT8152_VIRT, - .pfn = __phys_to_pfn(CMX270_IT8152_PHYS), - .length = SZ_64M, - .type = MT_DEVICE - }, -}; - -/* - 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 *cmx270_display = &generic_crt_640x480; - -static int __init cmx270_set_display(char *str) +static void __init cmx270_init_2700G(void) { - int disp_type = simple_strtol(str, NULL, 0); - switch (disp_type) { - case MTYPE_STN320x240: - cmx270_display = &generic_stn_320x240; - break; - case MTYPE_TFT640x480: - cmx270_display = &generic_tft_640x480; - break; - case MTYPE_CRT640x480: - cmx270_display = &generic_crt_640x480; - break; - case MTYPE_CRT800x600: - cmx270_display = &generic_crt_800x600; - break; - case MTYPE_TFT320x240: - cmx270_display = &generic_tft_320x240; - break; - case MTYPE_STN640x480: - cmx270_display = &generic_stn_640x480; - break; - default: /* fallback to CRT 640x480 */ - cmx270_display = &generic_crt_640x480; - break; - } - return 1; + platform_device_register(&cmx270_2700G); } - -/* - This should be done really early to get proper configuration for - frame buffer. - Indeed, pxafb parameters can be used istead, but CM-X270 bootloader - has limitied line length for kernel command line, and also it will - break compatibitlty with proprietary releases already in field. -*/ -__setup("monitor=", cmx270_set_display); +#else +static inline void cmx270_init_2700G(void) {} +#endif /* PXA27x OHCI controller setup */ -static int cmx270_ohci_init(struct device *dev) -{ - /* Set the Power Control Polarity Low */ - UHCHR = (UHCHR | UHCHR_PCPL) & - ~(UHCHR_SSEP1 | UHCHR_SSEP2 | UHCHR_SSE); - - return 0; -} - +#if defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE) static struct pxaohci_platform_data cmx270_ohci_platform_data = { .port_mode = PMM_PERPORT_MODE, - .init = cmx270_ohci_init, + .flags = ENABLE_PORT1 | ENABLE_PORT2 | POWER_CONTROL_LOW, }; +static void __init cmx270_init_ohci(void) +{ + pxa_set_ohci_info(&cmx270_ohci_platform_data); +} +#else +static inline void cmx270_init_ohci(void) {} +#endif +#if defined(CONFIG_MMC) || defined(CONFIG_MMC_MODULE) static int cmx270_mci_init(struct device *dev, irq_handler_t cmx270_detect_int, void *data) { int err; - /* - * setup GPIO for PXA27x MMC controller - */ - pxa_gpio_mode(GPIO32_MMCCLK_MD); - pxa_gpio_mode(GPIO112_MMCCMD_MD); - pxa_gpio_mode(GPIO92_MMCDAT0_MD); - pxa_gpio_mode(GPIO109_MMCDAT1_MD); - pxa_gpio_mode(GPIO110_MMCDAT2_MD); - pxa_gpio_mode(GPIO111_MMCDAT3_MD); - - /* SB-X270 uses GPIO105 as SD power enable */ - pxa_gpio_mode(105 | GPIO_OUT); + err = gpio_request(GPIO105_MMC_POWER, "MMC/SD power"); + if (err) { + dev_warn(dev, "power gpio unavailable\n"); + return err; + } - /* card detect IRQ on GPIO 83 */ - pxa_gpio_mode(IRQ_TO_GPIO(CMX270_MMC_IRQ)); + gpio_direction_output(GPIO105_MMC_POWER, 0); err = request_irq(CMX270_MMC_IRQ, cmx270_detect_int, IRQF_DISABLED | IRQF_TRIGGER_FALLING, "MMC card detect", data); - if (err) - printk(KERN_ERR "cmx270_mci_init: MMC/SD: can't" - " request MMC card detect IRQ\n"); + if (err) { + gpio_free(GPIO105_MMC_POWER); + dev_err(dev, "cmx270_mci_init: MMC/SD: can't" + " request MMC card detect IRQ\n"); + } return err; } @@ -505,17 +302,18 @@ static void cmx270_mci_setpower(struct device *dev, unsigned int vdd) struct pxamci_platform_data *p_d = dev->platform_data; if ((1 << vdd) & p_d->ocr_mask) { - printk(KERN_DEBUG "%s: on\n", __func__); - GPCR(105) = GPIO_bit(105); + dev_dbg(dev, "power on\n"); + gpio_set_value(GPIO105_MMC_POWER, 0); } else { - GPSR(105) = GPIO_bit(105); - printk(KERN_DEBUG "%s: off\n", __func__); + gpio_set_value(GPIO105_MMC_POWER, 1); + dev_dbg(dev, "power off\n"); } } static void cmx270_mci_exit(struct device *dev, void *data) { free_irq(CMX270_MMC_IRQ, data); + gpio_free(GPIO105_MMC_POWER); } static struct pxamci_platform_data cmx270_mci_platform_data = { @@ -525,120 +323,20 @@ static struct pxamci_platform_data cmx270_mci_platform_data = { .exit = cmx270_mci_exit, }; -#ifdef CONFIG_PM -static unsigned long sleep_save_msc[10]; - -static int cmx270_suspend(struct sys_device *dev, pm_message_t state) -{ - cmx270_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 cmx270_resume(struct sys_device *dev) -{ - cmx270_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 cmx270_pm_sysclass = { - .name = "pm", - .resume = cmx270_resume, - .suspend = cmx270_suspend, -}; - -static struct sys_device cmx270_pm_device = { - .cls = &cmx270_pm_sysclass, -}; - -static int __init cmx270_pm_init(void) +static void __init cmx270_init_mmc(void) { - int error; - error = sysdev_class_register(&cmx270_pm_sysclass); - if (error == 0) - error = sysdev_register(&cmx270_pm_device); - return error; + pxa_set_mci_info(&cmx270_mci_platform_data); } #else -static int __init cmx270_pm_init(void) { return 0; } +static inline void cmx270_init_mmc(void) {} #endif -static void __init cmx270_init(void) +void __init cmx270_init(void) { - cmx270_pm_init(); - - set_pxa_fb_info(cmx270_display); + pxa2xx_mfp_config(ARRAY_AND_SIZE(cmx270_pin_config)); - /* register CM-X270 platform devices */ - platform_add_devices(platform_devices, ARRAY_SIZE(platform_devices)); - - /* set MCI and OHCI platform parameters */ - pxa_set_mci_info(&cmx270_mci_platform_data); - pxa_set_ohci_info(&cmx270_ohci_platform_data); - - /* This enables the STUART */ - pxa_gpio_mode(GPIO46_STRXD_MD); - pxa_gpio_mode(GPIO47_STTXD_MD); - - /* This enables the BTUART */ - pxa_gpio_mode(GPIO42_BTRXD_MD); - pxa_gpio_mode(GPIO43_BTTXD_MD); - pxa_gpio_mode(GPIO44_BTCTS_MD); - pxa_gpio_mode(GPIO45_BTRTS_MD); + cmx270_init_rtc(); + cmx270_init_mmc(); + cmx270_init_ohci(); + cmx270_init_2700G(); } - -static void __init cmx270_init_irq(void) -{ - pxa27x_init_irq(); - - - cmx270_pci_init_irq(); - - /* Setup interrupt for dm9000 */ - pxa_gpio_mode(IRQ_TO_GPIO(CMX270_ETHIRQ)); - set_irq_type(CMX270_ETHIRQ, IRQT_RISING); - - /* Setup interrupt for 2700G */ - pxa_gpio_mode(IRQ_TO_GPIO(CMX270_GFXIRQ)); - set_irq_type(CMX270_GFXIRQ, IRQT_FALLING); -} - -static void __init cmx270_map_io(void) -{ - pxa_map_io(); - iotable_init(cmx270_io_desc, ARRAY_SIZE(cmx270_io_desc)); -} - - -MACHINE_START(ARMCORE, "Compulab CM-x270") - .boot_params = 0xa0000100, - .phys_io = 0x40000000, - .io_pg_offst = (io_p2v(0x40000000) >> 18) & 0xfffc, - .map_io = cmx270_map_io, - .init_irq = cmx270_init_irq, - .timer = &pxa_timer, - .init_machine = cmx270_init, -MACHINE_END |