diff options
Diffstat (limited to 'arch/arm/mach-pxa')
| -rw-r--r-- | arch/arm/mach-pxa/clock.c | 30 | ||||
| -rw-r--r-- | arch/arm/mach-pxa/clock.h | 9 | ||||
| -rw-r--r-- | arch/arm/mach-pxa/cm-x270-pci.c | 27 | ||||
| -rw-r--r-- | arch/arm/mach-pxa/cm-x270-pci.h | 14 | ||||
| -rw-r--r-- | arch/arm/mach-pxa/cm-x270.c | 403 | ||||
| -rw-r--r-- | arch/arm/mach-pxa/em-x270.c | 371 | ||||
| -rw-r--r-- | arch/arm/mach-pxa/pxa25x.c | 59 |
7 files changed, 662 insertions, 251 deletions
diff --git a/arch/arm/mach-pxa/clock.c b/arch/arm/mach-pxa/clock.c index b4d04955dcb..630063ffa6f 100644 --- a/arch/arm/mach-pxa/clock.c +++ b/arch/arm/mach-pxa/clock.c @@ -101,21 +101,6 @@ unsigned long clk_get_rate(struct clk *clk) EXPORT_SYMBOL(clk_get_rate); -static void clk_gpio27_enable(struct clk *clk) -{ - pxa_gpio_mode(GPIO11_3_6MHz_MD); -} - -static void clk_gpio27_disable(struct clk *clk) -{ -} - -static const struct clkops clk_gpio27_ops = { - .enable = clk_gpio27_enable, - .disable = clk_gpio27_disable, -}; - - void clk_cken_enable(struct clk *clk) { CKEN |= 1 << clk->cken; @@ -131,14 +116,6 @@ const struct clkops clk_cken_ops = { .disable = clk_cken_disable, }; -static struct clk common_clks[] = { - { - .name = "GPIO27_CLK", - .ops = &clk_gpio27_ops, - .rate = 3686400, - }, -}; - void clks_register(struct clk *clks, size_t num) { int i; @@ -148,10 +125,3 @@ void clks_register(struct clk *clks, size_t num) list_add(&clks[i].node, &clocks); mutex_unlock(&clocks_mutex); } - -static int __init clk_init(void) -{ - clks_register(common_clks, ARRAY_SIZE(common_clks)); - return 0; -} -arch_initcall(clk_init); diff --git a/arch/arm/mach-pxa/clock.h b/arch/arm/mach-pxa/clock.h index 83cbfaba485..32d0c074b35 100644 --- a/arch/arm/mach-pxa/clock.h +++ b/arch/arm/mach-pxa/clock.h @@ -47,6 +47,15 @@ struct clk { .other = _other, \ } +#define INIT_CLK(_name, _ops, _rate, _delay, _dev) \ + { \ + .name = _name, \ + .dev = _dev, \ + .ops = _ops, \ + .rate = _rate, \ + .delay = _delay, \ + } + extern const struct clkops clk_cken_ops; void clk_cken_enable(struct clk *clk); diff --git a/arch/arm/mach-pxa/cm-x270-pci.c b/arch/arm/mach-pxa/cm-x270-pci.c index 319c9ff3ab9..bcf0cde6ccc 100644 --- a/arch/arm/mach-pxa/cm-x270-pci.c +++ b/arch/arm/mach-pxa/cm-x270-pci.c @@ -5,7 +5,7 @@ * * Bits taken from various places. * - * 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 @@ -19,16 +19,16 @@ #include <linux/device.h> #include <linux/platform_device.h> #include <linux/irq.h> +#include <linux/gpio.h> #include <asm/mach/pci.h> -#include <asm/arch/cm-x270.h> #include <asm/arch/pxa-regs.h> -#include <asm/arch/pxa2xx-gpio.h> #include <asm/mach-types.h> #include <asm/hardware/it8152.h> -unsigned long it8152_base_address = CMX270_IT8152_VIRT; +unsigned long it8152_base_address; +static int cmx270_it8152_irq_gpio; /* * Only first 64MB of memory can be accessed via PCI. @@ -42,7 +42,7 @@ void __init cmx270_pci_adjust_zones(int node, unsigned long *zone_size, unsigned int sz = SZ_64M >> PAGE_SHIFT; if (machine_is_armcore()) { - pr_info("Adjusting zones for CM-x270\n"); + pr_info("Adjusting zones for CM-X270\n"); /* * Only adjust if > 64M on current system @@ -60,19 +60,20 @@ void __init cmx270_pci_adjust_zones(int node, unsigned long *zone_size, static void cmx270_it8152_irq_demux(unsigned int irq, struct irq_desc *desc) { /* clear our parent irq */ - GEDR(GPIO_IT8152_IRQ) = GPIO_bit(GPIO_IT8152_IRQ); + GEDR(cmx270_it8152_irq_gpio) = GPIO_bit(cmx270_it8152_irq_gpio); it8152_irq_demux(irq, desc); } -void __cmx270_pci_init_irq(void) +void __cmx270_pci_init_irq(int irq_gpio) { it8152_init_irq(); - pxa_gpio_mode(IRQ_TO_GPIO(GPIO_IT8152_IRQ)); - set_irq_type(IRQ_GPIO(GPIO_IT8152_IRQ), IRQT_RISING); - set_irq_chained_handler(IRQ_GPIO(GPIO_IT8152_IRQ), - cmx270_it8152_irq_demux); + cmx270_it8152_irq_gpio = irq_gpio; + + set_irq_type(gpio_to_irq(irq_gpio), IRQT_RISING); + + set_irq_chained_handler(gpio_to_irq(irq_gpio), cmx270_it8152_irq_demux); } #ifdef CONFIG_PM @@ -115,8 +116,8 @@ static int __init cmx270_pci_map_irq(struct pci_dev *dev, u8 slot, u8 pin) /* Here comes the ugly part. The routing is baseboard specific, - but defining a platform for each possible base of CM-x270 is - unrealistic. Here we keep mapping for ATXBase and SB-x270. + but defining a platform for each possible base of CM-X270 is + unrealistic. Here we keep mapping for ATXBase and SB-X270. */ /* ATXBASE PCI slot */ if (slot == 7) diff --git a/arch/arm/mach-pxa/cm-x270-pci.h b/arch/arm/mach-pxa/cm-x270-pci.h index ffe37b66f9a..48f532f4cb5 100644 --- a/arch/arm/mach-pxa/cm-x270-pci.h +++ b/arch/arm/mach-pxa/cm-x270-pci.h @@ -1,13 +1,13 @@ -extern void __cmx270_pci_init_irq(void); +extern void __cmx270_pci_init_irq(int irq_gpio); extern void __cmx270_pci_suspend(void); extern void __cmx270_pci_resume(void); #ifdef CONFIG_PCI -#define cmx270_pci_init_irq __cmx270_pci_init_irq -#define cmx270_pci_suspend __cmx270_pci_suspend -#define cmx270_pci_resume __cmx270_pci_resume +#define cmx270_pci_init_irq(x) __cmx270_pci_init_irq(x) +#define cmx270_pci_suspend(x) __cmx270_pci_suspend(x) +#define cmx270_pci_resume(x) __cmx270_pci_resume(x) #else -#define cmx270_pci_init_irq() do {} while (0) -#define cmx270_pci_suspend() do {} while (0) -#define cmx270_pci_resume() do {} while (0) +#define cmx270_pci_init_irq(x) do {} while (0) +#define cmx270_pci_suspend(x) do {} while (0) +#define cmx270_pci_resume(x) do {} while (0) #endif diff --git a/arch/arm/mach-pxa/cm-x270.c b/arch/arm/mach-pxa/cm-x270.c index 01b9964acec..402e807eae5 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 @@ -9,44 +9,156 @@ * 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 <linux/leds.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/mfp-pxa27x.h> +#include <asm/arch/pxa-regs.h> #include <asm/arch/audio.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 "generic.h" #include "cm-x270-pci.h" +/* virtual addresses for statically mapped regions */ +#define CMX270_VIRT_BASE (0xe8000000) +#define CMX270_IT8152_VIRT (CMX270_VIRT_BASE) + #define RTC_PHYS_BASE (PXA_CS1_PHYS + (5 << 22)) #define DM9000_PHYS_BASE (PXA_CS1_PHYS + (6 << 22)) -static struct resource cmx270_dm9k_resource[] = { +/* GPIO IRQ usage */ +#define GPIO10_ETHIRQ (10) +#define GPIO22_IT8152_IRQ (22) +#define GPIO83_MMC_IRQ (83) +#define GPIO95_GFXIRQ (95) + +#define CMX270_ETHIRQ IRQ_GPIO(GPIO10_ETHIRQ) +#define CMX270_IT8152_IRQ IRQ_GPIO(GPIO22_IT8152_IRQ) +#define CMX270_MMC_IRQ IRQ_GPIO(GPIO83_MMC_IRQ) +#define CMX270_GFXIRQ IRQ_GPIO(GPIO95_GFXIRQ) + +/* 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 */ +}; + +#if defined(CONFIG_DM9000) || defined(CONFIG_DM9000_MODULE) +static struct resource cmx270_dm9000_resource[] = { [0] = { .start = DM9000_PHYS_BASE, .end = DM9000_PHYS_BASE + 4, @@ -64,31 +176,45 @@ static struct resource cmx270_dm9k_resource[] = { } }; -/* 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 = { +static struct dm9000_plat_data cmx270_dm9000_platdata = { .flags = DM9000_PLATF_32BITONLY, }; -/* Ethernet device */ -static struct platform_device cmx270_device_dm9k = { +static struct platform_device cmx270_dm9000_device = { .name = "dm9000", .id = 0, - .num_resources = ARRAY_SIZE(cmx270_dm9k_resource), - .resource = cmx270_dm9k_resource, + .num_resources = ARRAY_SIZE(cmx270_dm9000_resource), + .resource = cmx270_dm9000_resource, .dev = { - .platform_data = &cmx270_dm9k_platdata, + .platform_data = &cmx270_dm9000_platdata, } }; -/* touchscreen controller */ +static void __init cmx270_init_dm9000(void) +{ + platform_device_register(&cmx270_dm9000_device); +} +#else +static inline void cmx270_init_dm9000(void) {} +#endif + +/* UCB1400 touchscreen controller */ +#if defined(CONFIG_TOUCHSCREEN_UCB1400) || defined(CONFIG_TOUCHSCREEN_UCB1400_MODULE) static struct platform_device cmx270_ts_device = { .name = "ucb1400_ts", .id = -1, }; -/* RTC */ +static void __init cmx270_init_touchscreen(void) +{ + platform_device_register(&cmx270_ts_device); +} +#else +static inline void cmx270_init_touchscreen(void) {} +#endif + +/* 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, @@ -111,28 +237,67 @@ static struct platform_device cmx270_rtc_device = { } }; -/* - * CM-X270 LEDs - */ +static void __init cmx270_init_rtc(void) +{ + platform_device_register(&cmx270_rtc_device); +} +#else +static inline void cmx270_init_rtc(void) {} +#endif + +/* CM-X270 LEDs */ +#if defined(CONFIG_LEDS_GPIO) || defined(CONFIG_LEDS_GPIO_MODULE) +static struct gpio_led cmx270_leds[] = { + [0] = { + .name = "cm-x270:red", + .default_trigger = "nand-disk", + .gpio = 93, + .active_low = 1, + }, + [1] = { + .name = "cm-x270:green", + .default_trigger = "heartbeat", + .gpio = 94, + .active_low = 1, + }, +}; + +static struct gpio_led_platform_data cmx270_gpio_led_pdata = { + .num_leds = ARRAY_SIZE(cmx270_leds), + .leds = cmx270_leds, +}; + static struct platform_device cmx270_led_device = { - .name = "cm-x270-led", + .name = "leds-gpio", .id = -1, + .dev = { + .platform_data = &cmx270_gpio_led_pdata, + }, }; +static void __init cmx270_init_leds(void) +{ + platform_device_register(&cmx270_led_device); +} +#else +static inline void cmx270_init_leds(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, }, }; @@ -200,43 +365,15 @@ 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_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 - }, -}; +static void __init cmx270_init_2700G(void) +{ + platform_device_register(&cmx270_2700G); +} +#else +static inline void cmx270_init_2700G(void) {} +#endif +#if defined(CONFIG_FB_PXA) || defined(CONFIG_FB_PXA_MODULE) /* Display definitions keep these for backwards compatibility, although symbolic names (as @@ -446,7 +583,16 @@ static int __init cmx270_set_display(char *str) */ __setup("monitor=", cmx270_set_display); +static void __init cmx270_init_display(void) +{ + set_pxa_fb_info(cmx270_display); +} +#else +static inline void cmx270_init_display(void) {} +#endif + /* PXA27x OHCI controller setup */ +#if defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE) static int cmx270_ohci_init(struct device *dev) { /* Set the Power Control Polarity Low */ @@ -461,35 +607,37 @@ static struct pxaohci_platform_data cmx270_ohci_platform_data = { .init = cmx270_ohci_init, }; +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; } @@ -499,17 +647,18 @@ 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 = { @@ -519,6 +668,14 @@ static struct pxamci_platform_data cmx270_mci_platform_data = { .exit = cmx270_mci_exit, }; +static void __init cmx270_init_mmc(void) +{ + pxa_set_mci_info(&cmx270_mci_platform_data); +} +#else +static inline void cmx270_init_mmc(void) {} +#endif + #ifdef CONFIG_PM static unsigned long sleep_save_msc[10]; @@ -580,53 +737,63 @@ static int __init cmx270_pm_init(void) static int __init cmx270_pm_init(void) { return 0; } #endif -static void __init cmx270_init(void) +#if defined(CONFIG_SND_PXA2XX_AC97) || defined(CONFIG_SND_PXA2XX_AC97_MODULE) +static void __init cmx270_init_ac97(void) { - cmx270_pm_init(); - - set_pxa_fb_info(cmx270_display); - - /* register CM-X270 platform devices */ - platform_add_devices(platform_devices, ARRAY_SIZE(platform_devices)); pxa_set_ac97_info(NULL); +} +#else +static inline void cmx270_init_ac97(void) {} +#endif - /* 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); +static void __init cmx270_init(void) +{ + cmx270_pm_init(); - /* 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); + pxa2xx_mfp_config(ARRAY_AND_SIZE(cmx270_pin_config)); + + cmx270_init_dm9000(); + cmx270_init_rtc(); + cmx270_init_display(); + cmx270_init_mmc(); + cmx270_init_ohci(); + cmx270_init_ac97(); + cmx270_init_touchscreen(); + cmx270_init_leds(); + cmx270_init_2700G(); } static void __init cmx270_init_irq(void) { pxa27x_init_irq(); + cmx270_pci_init_irq(GPIO22_IT8152_IRQ); +} - cmx270_pci_init_irq(); +#ifdef CONFIG_PCI +/* Map PCI companion statically */ +static struct map_desc cmx270_io_desc[] __initdata = { + [0] = { /* PCI bridge */ + .virtual = CMX270_IT8152_VIRT, + .pfn = __phys_to_pfn(PXA_CS4_PHYS), + .length = SZ_64M, + .type = MT_DEVICE + }, +}; - /* Setup interrupt for dm9000 */ - pxa_gpio_mode(IRQ_TO_GPIO(CMX270_ETHIRQ)); - set_irq_type(CMX270_ETHIRQ, IRQT_RISING); +static void __init cmx270_map_io(void) +{ + pxa_map_io(); + iotable_init(cmx270_io_desc, ARRAY_SIZE(cmx270_io_desc)); - /* Setup interrupt for 2700G */ - pxa_gpio_mode(IRQ_TO_GPIO(CMX270_GFXIRQ)); - set_irq_type(CMX270_GFXIRQ, IRQT_FALLING); + it8152_base_address = CMX270_IT8152_VIRT; } - +#else static void __init cmx270_map_io(void) { pxa_map_io(); - iotable_init(cmx270_io_desc, ARRAY_SIZE(cmx270_io_desc)); } - +#endif MACHINE_START(ARMCORE, "Compulab CM-x270") .boot_params = 0xa0000100, diff --git a/arch/arm/mach-pxa/em-x270.c b/arch/arm/mach-pxa/em-x270.c index 1bf68074992..e5cc6ca63c7 100644 --- a/arch/arm/mach-pxa/em-x270.c +++ b/arch/arm/mach-pxa/em-x270.c @@ -1,7 +1,7 @@ /* - * Support for CompuLab EM-x270 platform + * Support for CompuLab EM-X270 platform * - * Copyright (C) 2007 CompuLab, Ltd. + * Copyright (C) 2007, 2008 CompuLab, Ltd. * Author: Mike Rapoport <mike@compulab.co.il> * * This program is free software; you can redistribute it and/or modify @@ -14,31 +14,159 @@ #include <linux/dm9000.h> #include <linux/rtc-v3020.h> - #include <linux/mtd/nand.h> #include <linux/mtd/partitions.h> +#include <linux/input.h> +#include <linux/gpio_keys.h> +#include <linux/gpio.h> #include <asm/mach-types.h> - #include <asm/mach/arch.h> +#include <asm/arch/mfp-pxa27x.h> #include <asm/arch/pxa-regs.h> -#include <asm/arch/pxa2xx-gpio.h> #include <asm/arch/pxa27x-udc.h> #include <asm/arch/audio.h> #include <asm/arch/pxafb.h> #include <asm/arch/ohci.h> #include <asm/arch/mmc.h> -#include <asm/arch/bitfield.h> +#include <asm/arch/pxa27x_keypad.h> #include "generic.h" /* GPIO IRQ usage */ -#define EM_X270_MMC_PD (105) -#define EM_X270_ETHIRQ IRQ_GPIO(41) -#define EM_X270_MMC_IRQ IRQ_GPIO(13) +#define GPIO41_ETHIRQ (41) +#define GPIO13_MMC_CD (13) +#define EM_X270_ETHIRQ IRQ_GPIO(GPIO41_ETHIRQ) +#define EM_X270_MMC_CD IRQ_GPIO(GPIO13_MMC_CD) + +/* NAND control GPIOs */ +#define GPIO11_NAND_CS (11) +#define GPIO56_NAND_RB (56) + +static unsigned long em_x270_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, + + /* QCI */ + GPIO84_CIF_FV, + GPIO25_CIF_LV, + GPIO53_CIF_MCLK, + GPIO54_CIF_PCLK, + GPIO81_CIF_DD_0, + GPIO55_CIF_DD_1, + GPIO51_CIF_DD_2, + GPIO50_CIF_DD_3, + GPIO52_CIF_DD_4, + GPIO48_CIF_DD_5, + GPIO17_CIF_DD_6, + GPIO12_CIF_DD_7, + + /* I2C */ + GPIO117_I2C_SCL, + GPIO118_I2C_SDA, + + /* Keypad */ + GPIO100_KP_MKIN_0 | WAKEUP_ON_LEVEL_HIGH, + GPIO101_KP_MKIN_1 | WAKEUP_ON_LEVEL_HIGH, + GPIO102_KP_MKIN_2 | WAKEUP_ON_LEVEL_HIGH, + GPIO34_KP_MKIN_3 | WAKEUP_ON_LEVEL_HIGH, + GPIO39_KP_MKIN_4 | WAKEUP_ON_LEVEL_HIGH, + GPIO99_KP_MKIN_5 | WAKEUP_ON_LEVEL_HIGH, + GPIO91_KP_MKIN_6 | WAKEUP_ON_LEVEL_HIGH, + GPIO36_KP_MKIN_7 | WAKEUP_ON_LEVEL_HIGH, + GPIO103_KP_MKOUT_0, + GPIO104_KP_MKOUT_1, + GPIO105_KP_MKOUT_2, + GPIO106_KP_MKOUT_3, + GPIO107_KP_MKOUT_4, + GPIO108_KP_MKOUT_5, + GPIO96_KP_MKOUT_6, + GPIO22_KP_MKOUT_7, + + /* SSP1 */ + GPIO26_SSP1_RXD, + GPIO23_SSP1_SCLK, + GPIO24_SSP1_SFRM, + GPIO57_SSP1_TXD, + + /* SSP2 */ + GPIO19_SSP2_SCLK, + GPIO14_SSP2_SFRM, + GPIO89_SSP2_TXD, + GPIO88_SSP2_RXD, + + /* SDRAM and local bus */ + GPIO15_nCS_1, + GPIO78_nCS_2, + GPIO79_nCS_3, + GPIO80_nCS_4, + GPIO49_nPWE, + GPIO18_RDY, + + /* GPIO */ + GPIO1_GPIO | WAKEUP_ON_EDGE_BOTH, + + /* power controls */ + GPIO20_GPIO | MFP_LPM_DRIVE_LOW, /* GPRS_PWEN */ + GPIO115_GPIO | MFP_LPM_DRIVE_LOW, /* WLAN_PWEN */ + + /* NAND controls */ + GPIO11_GPIO | MFP_LPM_DRIVE_HIGH, /* NAND CE# */ + GPIO56_GPIO, /* NAND Ready/Busy */ + + /* interrupts */ + GPIO13_GPIO, /* MMC card detect */ + GPIO41_GPIO, /* DM9000 interrupt */ +}; -static struct resource em_x270_dm9k_resource[] = { +#if defined(CONFIG_DM9000) || defined(CONFIG_DM9000_MODULE) +static struct resource em_x270_dm9000_resource[] = { [0] = { .start = PXA_CS2_PHYS, .end = PXA_CS2_PHYS + 3, @@ -56,32 +184,30 @@ static struct resource em_x270_dm9k_resource[] = { } }; -/* for the moment we limit ourselves to 32bit IO until some - * better IO routines can be written and tested - */ -static struct dm9000_plat_data em_x270_dm9k_platdata = { +static struct dm9000_plat_data em_x270_dm9000_platdata = { .flags = DM9000_PLATF_32BITONLY, }; -/* Ethernet device */ -static struct platform_device em_x270_dm9k = { +static struct platform_device em_x270_dm9000 = { .name = "dm9000", .id = 0, - .num_resources = ARRAY_SIZE(em_x270_dm9k_resource), - .resource = em_x270_dm9k_resource, + .num_resources = ARRAY_SIZE(em_x270_dm9000_resource), + .resource = em_x270_dm9000_resource, .dev = { - .platform_data = &em_x270_dm9k_platdata, + .platform_data = &em_x270_dm9000_platdata, } }; -/* WM9712 touchscreen controller. Hopefully the driver will make it to - * the mainstream sometime */ -static struct platform_device em_x270_ts = { - .name = "wm97xx-ts", - .id = -1, -}; +static void __init em_x270_init_dm9000(void) +{ + platform_device_register(&em_x270_dm9000); +} +#else +static inline void em_x270_init_dm9000(void) {} +#endif -/* RTC */ +/* V3020 RTC */ +#if defined(CONFIG_RTC_DRV_V3020) || defined(CONFIG_RTC_DRV_V3020_MODULE) static struct resource em_x270_v3020_resource[] = { [0] = { .start = PXA_CS4_PHYS, @@ -104,20 +230,26 @@ static struct platform_device em_x270_rtc = { } }; -/* NAND flash */ -#define GPIO_NAND_CS (11) -#define GPIO_NAND_RB (56) +static void __init em_x270_init_rtc(void) +{ + platform_device_register(&em_x270_rtc); +} +#else +static inline void em_x270_init_rtc(void) {} +#endif +/* NAND flash */ +#if defined(CONFIG_MTD_NAND_PLATFORM) || defined(CONFIG_MTD_NAND_PLATFORM_MODULE) static inline void nand_cs_on(void) { - GPCR(GPIO_NAND_CS) = GPIO_bit(GPIO_NAND_CS); + gpio_set_value(GPIO11_NAND_CS, 0); } static void nand_cs_off(void) { dsb(); - GPSR(GPIO_NAND_CS) = GPIO_bit(GPIO_NAND_CS); + gpio_set_value(GPIO11_NAND_CS, 1); } /* hardware specific access to control-lines */ @@ -157,7 +289,7 @@ static int em_x270_nand_device_ready(struct mtd_info *mtd) { dsb(); - return GPLR(GPIO_NAND_RB) & GPIO_bit(GPIO_NAND_RB); + return gpio_get_value(GPIO56_NAND_RB); } static struct mtd_partition em_x270_partition_info[] = { @@ -210,16 +342,35 @@ static struct platform_device em_x270_nand = { } }; -/* platform devices */ -static struct platform_device *platform_devices[] __initdata = { - &em_x270_dm9k, - &em_x270_ts, - &em_x270_rtc, - &em_x270_nand, -}; +static void __init em_x270_init_nand(void) +{ + int err; + err = gpio_request(GPIO11_NAND_CS, "NAND CS"); + if (err) { + pr_warning("EM-X270: failed to request NAND CS gpio\n"); + return; + } + + gpio_direction_output(GPIO11_NAND_CS, 1); + + err = gpio_request(GPIO56_NAND_RB, "NAND R/B"); + if (err) { + pr_warning("EM-X270: failed to request NAND R/B gpio\n"); + gpio_free(GPIO11_NAND_CS); + return; + } + + gpio_direction_input(GPIO56_NAND_RB); + + platform_device_register(&em_x270_nand); +} +#else +static inline void em_x270_init_nand(void) {} +#endif /* PXA27x OHCI controller setup */ +#if defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE) static int em_x270_ohci_init(struct device *dev) { /* Set the Power Control Polarity Low */ @@ -237,27 +388,23 @@ static struct pxaohci_platform_data em_x270_ohci_platform_data = { .init = em_x270_ohci_init, }; +static void __init em_x270_init_ohci(void) +{ + pxa_set_ohci_info(&em_x270_ohci_platform_data); +} +#else +static inline void em_x270_init_ohci(void) {} +#endif +/* MCI controller setup */ +#if defined(CONFIG_MMC) || defined(CONFIG_MMC_MODULE) static int em_x270_mci_init(struct device *dev, irq_handler_t em_x270_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); - - /* EM-X270 uses GPIO13 as SD power enable */ - pxa_gpio_mode(EM_X270_MMC_PD | GPIO_OUT); - - err = request_irq(EM_X270_MMC_IRQ, em_x270_detect_int, - IRQF_DISABLED | IRQF_TRIGGER_FALLING, - "MMC card detect", data); + int err = request_irq(EM_X270_MMC_CD, em_x270_detect_int, + IRQF_DISABLED | IRQF_TRIGGER_FALLING, + "MMC card detect", data); if (err) { printk(KERN_ERR "%s: can't request MMC card detect IRQ: %d\n", __func__, err); @@ -279,7 +426,8 @@ static void em_x270_mci_setpower(struct device *dev, unsigned int vdd) static void em_x270_mci_exit(struct device *dev, void *data) { - free_irq(EM_X270_MMC_IRQ, data); + int irq = gpio_to_irq(GPIO13_MMC_CD); + free_irq(irq, data); } static struct pxamci_platform_data em_x270_mci_platform_data = { @@ -289,7 +437,16 @@ static struct pxamci_platform_data em_x270_mci_platform_data = { .exit = em_x270_mci_exit, }; +static void __init em_x270_init_mmc(void) +{ + pxa_set_mci_info(&em_x270_mci_platform_data); +} +#else +static inline void em_x270_init_mmc(void) {} +#endif + /* LCD 480x640 */ +#if defined(CONFIG_FB_PXA) || defined(CONFIG_FB_PXA_MODULE) static struct pxafb_mode_info em_x270_lcd_mode = { .pixclock = 50000, .bpp = 16, @@ -307,40 +464,96 @@ static struct pxafb_mode_info em_x270_lcd_mode = { static struct pxafb_mach_info em_x270_lcd = { .modes = &em_x270_lcd_mode, .num_modes = 1, - .cmap_inverse = 0, - .cmap_static = 0, - .lccr0 = LCCR0_PAS, - .lccr3 = LCCR3_PixClkDiv(0x01) | LCCR3_Acb(0xff), + .lcd_conn = LCD_COLOR_TFT_16BPP, }; - -static void __init em_x270_init(void) +static void __init em_x270_init_lcd(void) { - /* setup LCD */ set_pxa_fb_info(&em_x270_lcd); +} +#else +static inline void em_x270_init_lcd(void) {} +#endif - /* register EM-X270 platform devices */ - platform_add_devices(platform_devices, ARRAY_SIZE(platform_devices)); +#if defined(CONFIG_SND_PXA2XX_AC97) || defined(CONFIG_SND_PXA2XX_AC97_MODULE) +static void __init em_x270_init_ac97(void) +{ pxa_set_ac97_info(NULL); +} +#else +static inline void em_x270_init_ac97(void) {} +#endif + +#if defined(CONFIG_KEYBOARD_PXA27x) || defined(CONFIG_KEYBOARD_PXA27x_MODULE) +static unsigned int em_x270_matrix_keys[] = { + KEY(0, 0, KEY_A), KEY(1, 0, KEY_UP), KEY(2, 1, KEY_B), + KEY(0, 2, KEY_LEFT), KEY(1, 1, KEY_ENTER), KEY(2, 0, KEY_RIGHT), + KEY(0, 1, KEY_C), KEY(1, 2, KEY_DOWN), KEY(2, 2, KEY_D), +}; - /* set MCI and OHCI platform parameters */ - pxa_set_mci_info(&em_x270_mci_platform_data); - pxa_set_ohci_info(&em_x270_ohci_platform_data); +struct pxa27x_keypad_platform_data em_x270_keypad_info = { + /* code map for the matrix keys */ + .matrix_key_rows = 3, + .matrix_key_cols = 3, + .matrix_key_map = em_x270_matrix_keys, + .matrix_key_map_size = ARRAY_SIZE(em_x270_matrix_keys), +}; + +static void __init em_x270_init_keypad(void) +{ + pxa_set_keypad_info(&em_x270_keypad_info); +} +#else +static inline void em_x270_init_keypad(void) {} +#endif - /* setup STUART GPIOs */ - pxa_gpio_mode(GPIO46_STRXD_MD); - pxa_gpio_mode(GPIO47_STTXD_MD); +#if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE) +static struct gpio_keys_button gpio_keys_button[] = { + [0] = { + .desc = "sleep/wakeup", + .code = KEY_SUSPEND, + .type = EV_PWR, + .gpio = 1, + .wakeup = 1, + }, +}; - /* setup BTUART GPIOs */ - pxa_gpio_mode(GPIO42_BTRXD_MD); - pxa_gpio_mode(GPIO43_BTTXD_MD); - pxa_gpio_mode(GPIO44_BTCTS_MD); - pxa_gpio_mode(GPIO45_BTRTS_MD); +static struct gpio_keys_platform_data em_x270_gpio_keys_data = { + .buttons = gpio_keys_button, + .nbuttons = 1, +}; - /* Setup interrupt for dm9000 */ - set_irq_type(EM_X270_ETHIRQ, IRQT_RISING); +static struct platform_device em_x270_gpio_keys = { + .name = "gpio-keys", + .id = -1, + .dev = { + .platform_data = &em_x270_gpio_keys_data, + }, +}; + +static void __init em_x270_init_gpio_keys(void) +{ + platform_device_register(&em_x270_gpio_keys); +} +#else +static inline void em_x270_init_gpio_keys(void) {} +#endif + +static void __init em_x270_init(void) +{ + pxa2xx_mfp_config(ARRAY_AND_SIZE(em_x270_pin_config)); + + em_x270_init_dm9000(); + em_x270_init_rtc(); + em_x270_init_nand(); + em_x270_init_lcd(); + em_x270_init_mmc(); + em_x270_init_ohci(); + em_x270_init_keypad(); + em_x270_init_gpio_keys(); + em_x270_init_ac97(); } -MACHINE_START(EM_X270, "Compulab EM-x270") +MACHINE_START(EM_X270, "Compulab EM-X270") .boot_params = 0xa0000100, .phys_io = 0x40000000, .io_pg_offst = (io_p2v(0x40000000) >> 18) & 0xfffc, diff --git a/arch/arm/mach-pxa/pxa25x.c b/arch/arm/mach-pxa/pxa25x.c index 4cd50e3005e..c5b845b935b 100644 --- a/arch/arm/mach-pxa/pxa25x.c +++ b/arch/arm/mach-pxa/pxa25x.c @@ -109,6 +109,52 @@ static const struct clkops clk_pxa25x_lcd_ops = { .getrate = clk_pxa25x_lcd_getrate, }; +static unsigned long gpio12_config_32k[] = { + GPIO12_32KHz, +}; + +static unsigned long gpio12_config_gpio[] = { + GPIO12_GPIO, +}; + +static void clk_gpio12_enable(struct clk *clk) +{ + pxa2xx_mfp_config(gpio12_config_32k, 1); +} + +static void clk_gpio12_disable(struct clk *clk) +{ + pxa2xx_mfp_config(gpio12_config_gpio, 1); +} + +static const struct clkops clk_pxa25x_gpio12_ops = { + .enable = clk_gpio12_enable, + .disable = clk_gpio12_disable, +}; + +static unsigned long gpio11_config_3m6[] = { + GPIO11_3_6MHz, +}; + +static unsigned long gpio11_config_gpio[] = { + GPIO11_GPIO, +}; + +static void clk_gpio11_enable(struct clk *clk) +{ + pxa2xx_mfp_config(gpio11_config_3m6, 1); +} + +static void clk_gpio11_disable(struct clk *clk) +{ + pxa2xx_mfp_config(gpio11_config_gpio, 1); +} + +static const struct clkops clk_pxa25x_gpio11_ops = { + .enable = clk_gpio11_enable, + .disable = clk_gpio11_disable, +}; + /* * 3.6864MHz -> OST, GPIO, SSP, PWM, PLLs (95.842MHz, 147.456MHz) * 95.842MHz -> MMC 19.169MHz, I2C 31.949MHz, FICP 47.923MHz, USB 47.923MHz @@ -128,6 +174,8 @@ static struct clk pxa25x_clks[] = { INIT_CKEN("UARTCLK", BTUART, 14745600, 1, &pxa_device_btuart.dev), INIT_CKEN("UARTCLK", STUART, 14745600, 1, NULL), INIT_CKEN("UDCCLK", USB, 47923000, 5, &pxa25x_device_udc.dev), + INIT_CLK("GPIO11_CLK", &clk_pxa25x_gpio11_ops, 3686400, 0, NULL), + INIT_CLK("GPIO12_CLK", &clk_pxa25x_gpio12_ops, 32768, 0, NULL), INIT_CKEN("MMCCLK", MMC, 19169000, 0, &pxa_device_mci.dev), INIT_CKEN("I2CCLK", I2C, 31949000, 0, &pxa_device_i2c.dev), @@ -145,7 +193,10 @@ static struct clk pxa25x_clks[] = { INIT_CKEN("FICPCLK", FICP, 47923000, 0, NULL), }; -static struct clk gpio7_clk = INIT_CKOTHER("GPIO7_CK", &pxa25x_clks[4], NULL); +static struct clk pxa2xx_clk_aliases[] = { + INIT_CKOTHER("GPIO7_CLK", &pxa25x_clks[4], NULL), + INIT_CKOTHER("SA1111_CLK", &pxa25x_clks[5], NULL), +}; #ifdef CONFIG_PM @@ -293,7 +344,7 @@ static int __init pxa25x_init(void) int i, ret = 0; /* Only add HWUART for PXA255/26x; PXA210/250/27x do not have it. */ - if (cpu_is_pxa25x()) + if (cpu_is_pxa255()) clks_register(&pxa25x_hwuart_clk, 1); if (cpu_is_pxa21x() || cpu_is_pxa25x()) { @@ -317,10 +368,10 @@ static int __init pxa25x_init(void) } /* Only add HWUART for PXA255/26x; PXA210/250/27x do not have it. */ - if (cpu_is_pxa25x()) + if (cpu_is_pxa255()) ret = platform_device_register(&pxa_device_hwuart); - clks_register(&gpio7_clk, 1); + clks_register(pxa2xx_clk_aliases, ARRAY_SIZE(pxa2xx_clk_aliases)); return ret; } |