diff options
Diffstat (limited to 'linux/arch/arm')
-rw-r--r-- | linux/arch/arm/mach-pxa/devices.c | 695 | ||||
-rw-r--r-- | linux/arch/arm/mach-pxa/pcm990-baseboard.c | 416 |
2 files changed, 1111 insertions, 0 deletions
diff --git a/linux/arch/arm/mach-pxa/devices.c b/linux/arch/arm/mach-pxa/devices.c new file mode 100644 index 000000000..3838aabdf --- /dev/null +++ b/linux/arch/arm/mach-pxa/devices.c @@ -0,0 +1,695 @@ +#include <linux/module.h> +#include <linux/kernel.h> +#include <linux/init.h> +#include <linux/platform_device.h> +#include <linux/dma-mapping.h> + +#include <asm/arch/gpio.h> +#include <asm/arch/udc.h> +#include <asm/arch/pxafb.h> +#include <asm/arch/mmc.h> +#include <asm/arch/irda.h> +#include <asm/arch/i2c.h> +#include <asm/arch/ohci.h> +#include <asm/arch/camera.h> + +#include "devices.h" + +void __init pxa_register_device(struct platform_device *dev, void *data) +{ + int ret; + + dev->dev.platform_data = data; + + ret = platform_device_register(dev); + if (ret) + dev_err(&dev->dev, "unable to register device: %d\n", ret); +} + +static struct resource pxamci_resources[] = { + [0] = { + .start = 0x41100000, + .end = 0x41100fff, + .flags = IORESOURCE_MEM, + }, + [1] = { + .start = IRQ_MMC, + .end = IRQ_MMC, + .flags = IORESOURCE_IRQ, + }, + [2] = { + .start = 21, + .end = 21, + .flags = IORESOURCE_DMA, + }, + [3] = { + .start = 22, + .end = 22, + .flags = IORESOURCE_DMA, + }, +}; + +static u64 pxamci_dmamask = 0xffffffffUL; + +struct platform_device pxa_device_mci = { + .name = "pxa2xx-mci", + .id = 0, + .dev = { + .dma_mask = &pxamci_dmamask, + .coherent_dma_mask = 0xffffffff, + }, + .num_resources = ARRAY_SIZE(pxamci_resources), + .resource = pxamci_resources, +}; + +void __init pxa_set_mci_info(struct pxamci_platform_data *info) +{ + pxa_register_device(&pxa_device_mci, info); +} + + +static struct pxa2xx_udc_mach_info pxa_udc_info; + +void __init pxa_set_udc_info(struct pxa2xx_udc_mach_info *info) +{ + memcpy(&pxa_udc_info, info, sizeof *info); +} + +static struct resource pxa2xx_udc_resources[] = { + [0] = { + .start = 0x40600000, + .end = 0x4060ffff, + .flags = IORESOURCE_MEM, + }, + [1] = { + .start = IRQ_USB, + .end = IRQ_USB, + .flags = IORESOURCE_IRQ, + }, +}; + +static u64 udc_dma_mask = ~(u32)0; + +struct platform_device pxa_device_udc = { + .name = "pxa2xx-udc", + .id = -1, + .resource = pxa2xx_udc_resources, + .num_resources = ARRAY_SIZE(pxa2xx_udc_resources), + .dev = { + .platform_data = &pxa_udc_info, + .dma_mask = &udc_dma_mask, + } +}; + +static struct resource pxafb_resources[] = { + [0] = { + .start = 0x44000000, + .end = 0x4400ffff, + .flags = IORESOURCE_MEM, + }, + [1] = { + .start = IRQ_LCD, + .end = IRQ_LCD, + .flags = IORESOURCE_IRQ, + }, +}; + +static u64 fb_dma_mask = ~(u64)0; + +struct platform_device pxa_device_fb = { + .name = "pxa2xx-fb", + .id = -1, + .dev = { + .dma_mask = &fb_dma_mask, + .coherent_dma_mask = 0xffffffff, + }, + .num_resources = ARRAY_SIZE(pxafb_resources), + .resource = pxafb_resources, +}; + +void __init set_pxa_fb_info(struct pxafb_mach_info *info) +{ + pxa_register_device(&pxa_device_fb, info); +} + +void __init set_pxa_fb_parent(struct device *parent_dev) +{ + pxa_device_fb.dev.parent = parent_dev; +} + +static struct resource pxa_resource_ffuart[] = { + { + .start = __PREG(FFUART), + .end = __PREG(FFUART) + 35, + .flags = IORESOURCE_MEM, + }, { + .start = IRQ_FFUART, + .end = IRQ_FFUART, + .flags = IORESOURCE_IRQ, + } +}; + +struct platform_device pxa_device_ffuart= { + .name = "pxa2xx-uart", + .id = 0, + .resource = pxa_resource_ffuart, + .num_resources = ARRAY_SIZE(pxa_resource_ffuart), +}; + +static struct resource pxa_resource_btuart[] = { + { + .start = __PREG(BTUART), + .end = __PREG(BTUART) + 35, + .flags = IORESOURCE_MEM, + }, { + .start = IRQ_BTUART, + .end = IRQ_BTUART, + .flags = IORESOURCE_IRQ, + } +}; + +struct platform_device pxa_device_btuart = { + .name = "pxa2xx-uart", + .id = 1, + .resource = pxa_resource_btuart, + .num_resources = ARRAY_SIZE(pxa_resource_btuart), +}; + +static struct resource pxa_resource_stuart[] = { + { + .start = __PREG(STUART), + .end = __PREG(STUART) + 35, + .flags = IORESOURCE_MEM, + }, { + .start = IRQ_STUART, + .end = IRQ_STUART, + .flags = IORESOURCE_IRQ, + } +}; + +struct platform_device pxa_device_stuart = { + .name = "pxa2xx-uart", + .id = 2, + .resource = pxa_resource_stuart, + .num_resources = ARRAY_SIZE(pxa_resource_stuart), +}; + +static struct resource pxa_resource_hwuart[] = { + { + .start = __PREG(HWUART), + .end = __PREG(HWUART) + 47, + .flags = IORESOURCE_MEM, + }, { + .start = IRQ_HWUART, + .end = IRQ_HWUART, + .flags = IORESOURCE_IRQ, + } +}; + +struct platform_device pxa_device_hwuart = { + .name = "pxa2xx-uart", + .id = 3, + .resource = pxa_resource_hwuart, + .num_resources = ARRAY_SIZE(pxa_resource_hwuart), +}; + +static struct resource pxai2c_resources[] = { + { + .start = 0x40301680, + .end = 0x403016a3, + .flags = IORESOURCE_MEM, + }, { + .start = IRQ_I2C, + .end = IRQ_I2C, + .flags = IORESOURCE_IRQ, + }, +}; + +struct platform_device pxa_device_i2c = { + .name = "pxa2xx-i2c", + .id = 0, + .resource = pxai2c_resources, + .num_resources = ARRAY_SIZE(pxai2c_resources), +}; + +void __init pxa_set_i2c_info(struct i2c_pxa_platform_data *info) +{ + pxa_register_device(&pxa_device_i2c, info); +} + +static struct resource pxai2s_resources[] = { + { + .start = 0x40400000, + .end = 0x40400083, + .flags = IORESOURCE_MEM, + }, { + .start = IRQ_I2S, + .end = IRQ_I2S, + .flags = IORESOURCE_IRQ, + }, +}; + +struct platform_device pxa_device_i2s = { + .name = "pxa2xx-i2s", + .id = -1, + .resource = pxai2s_resources, + .num_resources = ARRAY_SIZE(pxai2s_resources), +}; + +static u64 pxaficp_dmamask = ~(u32)0; + +struct platform_device pxa_device_ficp = { + .name = "pxa2xx-ir", + .id = -1, + .dev = { + .dma_mask = &pxaficp_dmamask, + .coherent_dma_mask = 0xffffffff, + }, +}; + +void __init pxa_set_ficp_info(struct pxaficp_platform_data *info) +{ + pxa_register_device(&pxa_device_ficp, info); +} + +struct platform_device pxa_device_rtc = { + .name = "sa1100-rtc", + .id = -1, +}; + +#ifdef CONFIG_PXA25x + +static u64 pxa25x_ssp_dma_mask = DMA_BIT_MASK(32); + +static struct resource pxa25x_resource_ssp[] = { + [0] = { + .start = 0x41000000, + .end = 0x4100001f, + .flags = IORESOURCE_MEM, + }, + [1] = { + .start = IRQ_SSP, + .end = IRQ_SSP, + .flags = IORESOURCE_IRQ, + }, + [2] = { + /* DRCMR for RX */ + .start = 13, + .end = 13, + .flags = IORESOURCE_DMA, + }, + [3] = { + /* DRCMR for TX */ + .start = 14, + .end = 14, + .flags = IORESOURCE_DMA, + }, +}; + +struct platform_device pxa25x_device_ssp = { + .name = "pxa25x-ssp", + .id = 0, + .dev = { + .dma_mask = &pxa25x_ssp_dma_mask, + .coherent_dma_mask = DMA_BIT_MASK(32), + }, + .resource = pxa25x_resource_ssp, + .num_resources = ARRAY_SIZE(pxa25x_resource_ssp), +}; + +static u64 pxa25x_nssp_dma_mask = DMA_BIT_MASK(32); + +static struct resource pxa25x_resource_nssp[] = { + [0] = { + .start = 0x41400000, + .end = 0x4140002f, + .flags = IORESOURCE_MEM, + }, + [1] = { + .start = IRQ_NSSP, + .end = IRQ_NSSP, + .flags = IORESOURCE_IRQ, + }, + [2] = { + /* DRCMR for RX */ + .start = 15, + .end = 15, + .flags = IORESOURCE_DMA, + }, + [3] = { + /* DRCMR for TX */ + .start = 16, + .end = 16, + .flags = IORESOURCE_DMA, + }, +}; + +struct platform_device pxa25x_device_nssp = { + .name = "pxa25x-nssp", + .id = 1, + .dev = { + .dma_mask = &pxa25x_nssp_dma_mask, + .coherent_dma_mask = DMA_BIT_MASK(32), + }, + .resource = pxa25x_resource_nssp, + .num_resources = ARRAY_SIZE(pxa25x_resource_nssp), +}; + +static u64 pxa25x_assp_dma_mask = DMA_BIT_MASK(32); + +static struct resource pxa25x_resource_assp[] = { + [0] = { + .start = 0x41500000, + .end = 0x4150002f, + .flags = IORESOURCE_MEM, + }, + [1] = { + .start = IRQ_ASSP, + .end = IRQ_ASSP, + .flags = IORESOURCE_IRQ, + }, + [2] = { + /* DRCMR for RX */ + .start = 23, + .end = 23, + .flags = IORESOURCE_DMA, + }, + [3] = { + /* DRCMR for TX */ + .start = 24, + .end = 24, + .flags = IORESOURCE_DMA, + }, +}; + +struct platform_device pxa25x_device_assp = { + /* ASSP is basically equivalent to NSSP */ + .name = "pxa25x-nssp", + .id = 2, + .dev = { + .dma_mask = &pxa25x_assp_dma_mask, + .coherent_dma_mask = DMA_BIT_MASK(32), + }, + .resource = pxa25x_resource_assp, + .num_resources = ARRAY_SIZE(pxa25x_resource_assp), +}; +#endif /* CONFIG_PXA25x */ + +#if defined(CONFIG_PXA27x) || defined(CONFIG_PXA3xx) + +static u64 pxa27x_ohci_dma_mask = DMA_BIT_MASK(32); + +static struct resource pxa27x_resource_ohci[] = { + [0] = { + .start = 0x4C000000, + .end = 0x4C00ff6f, + .flags = IORESOURCE_MEM, + }, + [1] = { + .start = IRQ_USBH1, + .end = IRQ_USBH1, + .flags = IORESOURCE_IRQ, + }, +}; + +struct platform_device pxa27x_device_ohci = { + .name = "pxa27x-ohci", + .id = -1, + .dev = { + .dma_mask = &pxa27x_ohci_dma_mask, + .coherent_dma_mask = DMA_BIT_MASK(32), + }, + .num_resources = ARRAY_SIZE(pxa27x_resource_ohci), + .resource = pxa27x_resource_ohci, +}; + +void __init pxa_set_ohci_info(struct pxaohci_platform_data *info) +{ + pxa_register_device(&pxa27x_device_ohci, info); +} + +static u64 pxa27x_ssp1_dma_mask = DMA_BIT_MASK(32); + +static struct resource pxa27x_resource_ssp1[] = { + [0] = { + .start = 0x41000000, + .end = 0x4100003f, + .flags = IORESOURCE_MEM, + }, + [1] = { + .start = IRQ_SSP, + .end = IRQ_SSP, + .flags = IORESOURCE_IRQ, + }, + [2] = { + /* DRCMR for RX */ + .start = 13, + .end = 13, + .flags = IORESOURCE_DMA, + }, + [3] = { + /* DRCMR for TX */ + .start = 14, + .end = 14, + .flags = IORESOURCE_DMA, + }, +}; + +struct platform_device pxa27x_device_ssp1 = { + .name = "pxa27x-ssp", + .id = 0, + .dev = { + .dma_mask = &pxa27x_ssp1_dma_mask, + .coherent_dma_mask = DMA_BIT_MASK(32), + }, + .resource = pxa27x_resource_ssp1, + .num_resources = ARRAY_SIZE(pxa27x_resource_ssp1), +}; + +static u64 pxa27x_ssp2_dma_mask = DMA_BIT_MASK(32); + +static struct resource pxa27x_resource_ssp2[] = { + [0] = { + .start = 0x41700000, + .end = 0x4170003f, + .flags = IORESOURCE_MEM, + }, + [1] = { + .start = IRQ_SSP2, + .end = IRQ_SSP2, + .flags = IORESOURCE_IRQ, + }, + [2] = { + /* DRCMR for RX */ + .start = 15, + .end = 15, + .flags = IORESOURCE_DMA, + }, + [3] = { + /* DRCMR for TX */ + .start = 16, + .end = 16, + .flags = IORESOURCE_DMA, + }, +}; + +struct platform_device pxa27x_device_ssp2 = { + .name = "pxa27x-ssp", + .id = 1, + .dev = { + .dma_mask = &pxa27x_ssp2_dma_mask, + .coherent_dma_mask = DMA_BIT_MASK(32), + }, + .resource = pxa27x_resource_ssp2, + .num_resources = ARRAY_SIZE(pxa27x_resource_ssp2), +}; + +static u64 pxa27x_ssp3_dma_mask = DMA_BIT_MASK(32); + +static struct resource pxa27x_resource_ssp3[] = { + [0] = { + .start = 0x41900000, + .end = 0x4190003f, + .flags = IORESOURCE_MEM, + }, + [1] = { + .start = IRQ_SSP3, + .end = IRQ_SSP3, + .flags = IORESOURCE_IRQ, + }, + [2] = { + /* DRCMR for RX */ + .start = 66, + .end = 66, + .flags = IORESOURCE_DMA, + }, + [3] = { + /* DRCMR for TX */ + .start = 67, + .end = 67, + .flags = IORESOURCE_DMA, + }, +}; + +struct platform_device pxa27x_device_ssp3 = { + .name = "pxa27x-ssp", + .id = 2, + .dev = { + .dma_mask = &pxa27x_ssp3_dma_mask, + .coherent_dma_mask = DMA_BIT_MASK(32), + }, + .resource = pxa27x_resource_ssp3, + .num_resources = ARRAY_SIZE(pxa27x_resource_ssp3), +}; + +static struct resource pxa27x_resource_camera[] = { + [0] = { + .start = 0x50000000, + .end = 0x50000fff, + .flags = IORESOURCE_MEM, + }, + [1] = { + .start = IRQ_CAMERA, + .end = IRQ_CAMERA, + .flags = IORESOURCE_IRQ, + }, +}; + +static u64 pxa27x_dma_mask_camera = DMA_BIT_MASK(32); + +static struct platform_device pxa27x_device_camera = { + .name = "pxa27x-camera", + .id = 0, /* This is used to put cameras on this interface */ + .dev = { + .dma_mask = &pxa27x_dma_mask_camera, + .coherent_dma_mask = 0xffffffff, + }, + .num_resources = ARRAY_SIZE(pxa27x_resource_camera), + .resource = pxa27x_resource_camera, +}; + +void __init pxa_set_camera_info(struct pxacamera_platform_data *info) +{ + pxa_register_device(&pxa27x_device_camera, info); +} +#endif /* CONFIG_PXA27x || CONFIG_PXA3xx */ + +#ifdef CONFIG_PXA3xx +static u64 pxa3xx_ssp4_dma_mask = DMA_BIT_MASK(32); + +static struct resource pxa3xx_resource_ssp4[] = { + [0] = { + .start = 0x41a00000, + .end = 0x41a0003f, + .flags = IORESOURCE_MEM, + }, + [1] = { + .start = IRQ_SSP4, + .end = IRQ_SSP4, + .flags = IORESOURCE_IRQ, + }, + [2] = { + /* DRCMR for RX */ + .start = 2, + .end = 2, + .flags = IORESOURCE_DMA, + }, + [3] = { + /* DRCMR for TX */ + .start = 3, + .end = 3, + .flags = IORESOURCE_DMA, + }, +}; + +struct platform_device pxa3xx_device_ssp4 = { + /* PXA3xx SSP is basically equivalent to PXA27x */ + .name = "pxa27x-ssp", + .id = 3, + .dev = { + .dma_mask = &pxa3xx_ssp4_dma_mask, + .coherent_dma_mask = DMA_BIT_MASK(32), + }, + .resource = pxa3xx_resource_ssp4, + .num_resources = ARRAY_SIZE(pxa3xx_resource_ssp4), +}; + +static struct resource pxa3xx_resources_mci2[] = { + [0] = { + .start = 0x42000000, + .end = 0x42000fff, + .flags = IORESOURCE_MEM, + }, + [1] = { + .start = IRQ_MMC2, + .end = IRQ_MMC2, + .flags = IORESOURCE_IRQ, + }, + [2] = { + .start = 93, + .end = 93, + .flags = IORESOURCE_DMA, + }, + [3] = { + .start = 94, + .end = 94, + .flags = IORESOURCE_DMA, + }, +}; + +struct platform_device pxa3xx_device_mci2 = { + .name = "pxa2xx-mci", + .id = 1, + .dev = { + .dma_mask = &pxamci_dmamask, + .coherent_dma_mask = 0xffffffff, + }, + .num_resources = ARRAY_SIZE(pxa3xx_resources_mci2), + .resource = pxa3xx_resources_mci2, +}; + +void __init pxa3xx_set_mci2_info(struct pxamci_platform_data *info) +{ + pxa_register_device(&pxa3xx_device_mci2, info); +} + +static struct resource pxa3xx_resources_mci3[] = { + [0] = { + .start = 0x42500000, + .end = 0x42500fff, + .flags = IORESOURCE_MEM, + }, + [1] = { + .start = IRQ_MMC3, + .end = IRQ_MMC3, + .flags = IORESOURCE_IRQ, + }, + [2] = { + .start = 100, + .end = 100, + .flags = IORESOURCE_DMA, + }, + [3] = { + .start = 101, + .end = 101, + .flags = IORESOURCE_DMA, + }, +}; + +struct platform_device pxa3xx_device_mci3 = { + .name = "pxa2xx-mci", + .id = 2, + .dev = { + .dma_mask = &pxamci_dmamask, + .coherent_dma_mask = 0xffffffff, + }, + .num_resources = ARRAY_SIZE(pxa3xx_resources_mci3), + .resource = pxa3xx_resources_mci3, +}; + +void __init pxa3xx_set_mci3_info(struct pxamci_platform_data *info) +{ + pxa_register_device(&pxa3xx_device_mci3, info); +} + +#endif /* CONFIG_PXA3xx */ diff --git a/linux/arch/arm/mach-pxa/pcm990-baseboard.c b/linux/arch/arm/mach-pxa/pcm990-baseboard.c new file mode 100644 index 000000000..07ac050f2 --- /dev/null +++ b/linux/arch/arm/mach-pxa/pcm990-baseboard.c @@ -0,0 +1,416 @@ +/* + * arch/arm/mach-pxa/pcm990-baseboard.c + * Support for the Phytec phyCORE-PXA270 Development Platform (PCM-990). + * + * Refer + * http://www.phytec.com/products/rdk/ARM-XScale/phyCORE-XScale-PXA270.html + * for additional hardware info + * + * Author: Juergen Kilb + * Created: April 05, 2005 + * Copyright: Phytec Messtechnik GmbH + * e-Mail: armlinux@phytec.de + * + * based on Intel Mainstone Board + * + * Copyright 2007 Juergen Beisert @ Pengutronix (j.beisert@pengutronix.de) + * + * 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/irq.h> +#include <linux/platform_device.h> +#include <linux/ide.h> +#include <linux/i2c.h> + +#include <media/soc_camera.h> + +#include <asm/gpio.h> +#include <asm/arch/i2c.h> +#include <asm/arch/camera.h> +#include <asm/mach/map.h> +#include <asm/arch/pxa-regs.h> +#include <asm/arch/mmc.h> +#include <asm/arch/ohci.h> +#include <asm/arch/pcm990_baseboard.h> + +/* + * The PCM-990 development baseboard uses PCM-027's hardeware in the + * following way: + * + * - LCD support is in use + * - GPIO16 is output for back light on/off with PWM + * - GPIO58 ... GPIO73 are outputs for display data + * - GPIO74 is output output for LCDFCLK + * - GPIO75 is output for LCDLCLK + * - GPIO76 is output for LCDPCLK + * - GPIO77 is output for LCDBIAS + * - MMC support is in use + * - GPIO32 is output for MMCCLK + * - GPIO92 is MMDAT0 + * - GPIO109 is MMDAT1 + * - GPIO110 is MMCS0 + * - GPIO111 is MMCS1 + * - GPIO112 is MMCMD + * - IDE/CF card is in use + * - GPIO48 is output /POE + * - GPIO49 is output /PWE + * - GPIO50 is output /PIOR + * - GPIO51 is output /PIOW + * - GPIO54 is output /PCE2 + * - GPIO55 is output /PREG + * - GPIO56 is input /PWAIT + * - GPIO57 is output /PIOS16 + * - GPIO79 is output PSKTSEL + * - GPIO85 is output /PCE1 + * - FFUART is in use + * - GPIO34 is input FFRXD + * - GPIO35 is input FFCTS + * - GPIO36 is input FFDCD + * - GPIO37 is input FFDSR + * - GPIO38 is input FFRI + * - GPIO39 is output FFTXD + * - GPIO40 is output FFDTR + * - GPIO41 is output FFRTS + * - BTUART is in use + * - GPIO42 is input BTRXD + * - GPIO43 is output BTTXD + * - GPIO44 is input BTCTS + * - GPIO45 is output BTRTS + * - IRUART is in use + * - GPIO46 is input STDRXD + * - GPIO47 is output STDTXD + * - AC97 is in use*) + * - GPIO28 is input AC97CLK + * - GPIO29 is input AC97DatIn + * - GPIO30 is output AC97DatO + * - GPIO31 is output AC97SYNC + * - GPIO113 is output AC97_RESET + * - SSP is in use + * - GPIO23 is output SSPSCLK + * - GPIO24 is output chip select to Max7301 + * - GPIO25 is output SSPTXD + * - GPIO26 is input SSPRXD + * - GPIO27 is input for Max7301 IRQ + * - GPIO53 is input SSPSYSCLK + * - SSP3 is in use + * - GPIO81 is output SSPTXD3 + * - GPIO82 is input SSPRXD3 + * - GPIO83 is output SSPSFRM + * - GPIO84 is output SSPCLK3 + * + * Otherwise claimed GPIOs: + * GPIO1 -> IRQ from user switch + * GPIO9 -> IRQ from power management + * GPIO10 -> IRQ from WML9712 AC97 controller + * GPIO11 -> IRQ from IDE controller + * GPIO12 -> IRQ from CF controller + * GPIO13 -> IRQ from CF controller + * GPIO14 -> GPIO free + * GPIO15 -> /CS1 selects baseboard's Control CPLD (U7, 16 bit wide data path) + * GPIO19 -> GPIO free + * GPIO20 -> /SDCS2 + * GPIO21 -> /CS3 PC card socket select + * GPIO33 -> /CS5 network controller select + * GPIO78 -> /CS2 (16 bit wide data path) + * GPIO80 -> /CS4 (16 bit wide data path) + * GPIO86 -> GPIO free + * GPIO87 -> GPIO free + * GPIO90 -> LED0 on CPU module + * GPIO91 -> LED1 on CPI module + * GPIO117 -> SCL + * GPIO118 -> SDA + */ + +static unsigned long pcm990_irq_enabled; + +static void pcm990_mask_ack_irq(unsigned int irq) +{ + int pcm990_irq = (irq - PCM027_IRQ(0)); + PCM990_INTMSKENA = (pcm990_irq_enabled &= ~(1 << pcm990_irq)); +} + +static void pcm990_unmask_irq(unsigned int irq) +{ + int pcm990_irq = (irq - PCM027_IRQ(0)); + /* the irq can be acknowledged only if deasserted, so it's done here */ + PCM990_INTSETCLR |= 1 << pcm990_irq; + PCM990_INTMSKENA = (pcm990_irq_enabled |= (1 << pcm990_irq)); +} + +static struct irq_chip pcm990_irq_chip = { + .mask_ack = pcm990_mask_ack_irq, + .unmask = pcm990_unmask_irq, +}; + +static void pcm990_irq_handler(unsigned int irq, struct irq_desc *desc) +{ + unsigned long pending = (~PCM990_INTSETCLR) & pcm990_irq_enabled; + + do { + GEDR(PCM990_CTRL_INT_IRQ_GPIO) = + GPIO_bit(PCM990_CTRL_INT_IRQ_GPIO); + if (likely(pending)) { + irq = PCM027_IRQ(0) + __ffs(pending); + desc = irq_desc + irq; + desc_handle_irq(irq, desc); + } + pending = (~PCM990_INTSETCLR) & pcm990_irq_enabled; + } while (pending); +} + +static void __init pcm990_init_irq(void) +{ + int irq; + + /* setup extra PCM990 irqs */ + for (irq = PCM027_IRQ(0); irq <= PCM027_IRQ(3); irq++) { + set_irq_chip(irq, &pcm990_irq_chip); + set_irq_handler(irq, handle_level_irq); + set_irq_flags(irq, IRQF_VALID | IRQF_PROBE); + } + + PCM990_INTMSKENA = 0x00; /* disable all Interrupts */ + PCM990_INTSETCLR = 0xFF; + + set_irq_chained_handler(PCM990_CTRL_INT_IRQ, pcm990_irq_handler); + set_irq_type(PCM990_CTRL_INT_IRQ, PCM990_CTRL_INT_IRQ_EDGE); +} + +static int pcm990_mci_init(struct device *dev, irq_handler_t mci_detect_int, + void *data) +{ + int err; + + /* + * enable 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); + + err = request_irq(PCM027_MMCDET_IRQ, mci_detect_int, IRQF_DISABLED, + "MMC card detect", data); + if (err) + printk(KERN_ERR "pcm990_mci_init: MMC/SD: can't request MMC " + "card detect IRQ\n"); + + return err; +} + +static void pcm990_mci_setpower(struct device *dev, unsigned int vdd) +{ + struct pxamci_platform_data *p_d = dev->platform_data; + + if ((1 << vdd) & p_d->ocr_mask) + __PCM990_CTRL_REG(PCM990_CTRL_PHYS + PCM990_CTRL_REG5) = + PCM990_CTRL_MMC2PWR; + else + __PCM990_CTRL_REG(PCM990_CTRL_PHYS + PCM990_CTRL_REG5) = + ~PCM990_CTRL_MMC2PWR; +} + +static void pcm990_mci_exit(struct device *dev, void *data) +{ + free_irq(PCM027_MMCDET_IRQ, data); +} + +#define MSECS_PER_JIFFY (1000/HZ) + +static struct pxamci_platform_data pcm990_mci_platform_data = { + .detect_delay = 250 / MSECS_PER_JIFFY, + .ocr_mask = MMC_VDD_32_33 | MMC_VDD_33_34, + .init = pcm990_mci_init, + .setpower = pcm990_mci_setpower, + .exit = pcm990_mci_exit, +}; + +/* + * init OHCI hardware to work with + * + * Note: Only USB port 1 (host only) is connected + * + * GPIO88 (USBHPWR#1): overcurrent in, overcurrent when low + * GPIO89 (USBHPEN#1): power-on out, on when low + */ +static int pcm990_ohci_init(struct device *dev) +{ + pxa_gpio_mode(PCM990_USB_OVERCURRENT); + pxa_gpio_mode(PCM990_USB_PWR_EN); + /* + * disable USB port 2 and 3 + * power sense is active low + */ + UHCHR = ((UHCHR) | UHCHR_PCPL | UHCHR_PSPL | UHCHR_SSEP2 | + UHCHR_SSEP3) & ~(UHCHR_SSEP1 | UHCHR_SSE); + /* + * wait 10ms after Power on + * overcurrent per port + * power switch per port + */ + UHCRHDA = (5<<24) | (1<<11) | (1<<8); /* FIXME: Required? */ + + return 0; +} + +static struct pxaohci_platform_data pcm990_ohci_platform_data = { + .port_mode = PMM_PERPORT_MODE, + .init = pcm990_ohci_init, + .exit = NULL, +}; + +/* + * PXA27x Camera specific stuff + */ +#if defined(CONFIG_VIDEO_PXA27x) || defined(CONFIG_VIDEO_PXA27x_MODULE) +static int pcm990_pxacamera_init(struct device *dev) +{ + pxa_gpio_mode(GPIO98_CIF_DD0_MD); + pxa_gpio_mode(GPIO105_CIF_DD1_MD); + pxa_gpio_mode(GPIO104_CIF_DD2_MD); + pxa_gpio_mode(GPIO103_CIF_DD3_MD); + pxa_gpio_mode(GPIO95_CIF_DD4_MD); + pxa_gpio_mode(GPIO94_CIF_DD5_MD); + pxa_gpio_mode(GPIO93_CIF_DD6_MD); + pxa_gpio_mode(GPIO108_CIF_DD7_MD); + pxa_gpio_mode(GPIO107_CIF_DD8_MD); + pxa_gpio_mode(GPIO106_CIF_DD9_MD); + pxa_gpio_mode(GPIO42_CIF_MCLK_MD); + pxa_gpio_mode(GPIO45_CIF_PCLK_MD); + pxa_gpio_mode(GPIO43_CIF_FV_MD); + pxa_gpio_mode(GPIO44_CIF_LV_MD); + + return 0; +} + +/* + * CICR4: PCLK_EN: Pixel clock is supplied by the sensor + * MCLK_EN: Master clock is generated by PXA + * PCP: Data sampled on the falling edge of pixel clock + */ +struct pxacamera_platform_data pcm990_pxacamera_platform_data = { + .init = pcm990_pxacamera_init, + .flags = PXA_CAMERA_MASTER | PXA_CAMERA_DATAWIDTH_8 | PXA_CAMERA_DATAWIDTH_10 | + PXA_CAMERA_PCLK_EN | PXA_CAMERA_MCLK_EN/* | PXA_CAMERA_PCP*/, + .mclk_10khz = 1000, +}; + +#include <linux/i2c/pca953x.h> + +static struct pca953x_platform_data pca9536_data = { + .gpio_base = NR_BUILTIN_GPIO + 1, +}; + +static struct soc_camera_link iclink[] = { + { + .bus_id = 0, /* Must match with the camera ID above */ + .gpio = NR_BUILTIN_GPIO + 1, + }, { + .bus_id = 0, /* Must match with the camera ID above */ + } +}; + +/* Board I2C devices. */ +static struct i2c_board_info __initdata pcm990_i2c_devices[] = { + { + /* Must initialize before the camera(s) */ + I2C_BOARD_INFO("pca953x", 0x41), + .type = "pca9536", + .platform_data = &pca9536_data, + }, { + I2C_BOARD_INFO("mt9v022", 0x48), + .type = "mt9v022", + .platform_data = &iclink[0], /* With extender */ + }, { + I2C_BOARD_INFO("mt9m001", 0x5d), + .type = "mt9m001", + .platform_data = &iclink[0], /* With extender */ + }, +}; +#endif /* CONFIG_VIDEO_PXA27x ||CONFIG_VIDEO_PXA27x_MODULE */ + +/* + * AC97 support + * Note: The connected AC97 mixer also reports interrupts at PCM990_AC97_IRQ + */ +static struct resource pxa27x_ac97_resources[] = { + [0] = { + .start = 0x40500000, + .end = 0x40500000 + 0xfff, + .flags = IORESOURCE_MEM, + }, + [1] = { + .start = IRQ_AC97, + .end = IRQ_AC97, + .flags = IORESOURCE_IRQ, + }, +}; + +static u64 pxa_ac97_dmamask = 0xffffffffUL; + +static struct platform_device pxa27x_device_ac97 = { + .name = "pxa2xx-ac97", + .id = -1, + .dev = { + .dma_mask = &pxa_ac97_dmamask, + .coherent_dma_mask = 0xffffffff, + }, + .num_resources = ARRAY_SIZE(pxa27x_ac97_resources), + .resource = pxa27x_ac97_resources, +}; + +/* + * enable generic access to the base board control CPLDs U6 and U7 + */ +static struct map_desc pcm990_io_desc[] __initdata = { + { + .virtual = PCM990_CTRL_BASE, + .pfn = __phys_to_pfn(PCM990_CTRL_PHYS), + .length = PCM990_CTRL_SIZE, + .type = MT_DEVICE /* CPLD */ + }, { + .virtual = PCM990_CF_PLD_BASE, + .pfn = __phys_to_pfn(PCM990_CF_PLD_PHYS), + .length = PCM990_CF_PLD_SIZE, + .type = MT_DEVICE /* CPLD */ + } +}; + +/* + * system init for baseboard usage. Will be called by pcm027 init. + * + * Add platform devices present on this baseboard and init + * them from CPU side as far as required to use them later on + */ +void __init pcm990_baseboard_init(void) +{ + /* register CPLD access */ + iotable_init(pcm990_io_desc, ARRAY_SIZE(pcm990_io_desc)); + + /* register CPLD's IRQ controller */ + pcm990_init_irq(); + + platform_device_register(&pxa27x_device_ac97); + + /* MMC */ + pxa_set_mci_info(&pcm990_mci_platform_data); + + /* USB host */ + pxa_set_ohci_info(&pcm990_ohci_platform_data); + + pxa_set_i2c_info(NULL); + +#if defined(CONFIG_VIDEO_PXA27x) || defined(CONFIG_VIDEO_PXA27x_MODULE) + pxa_set_camera_info(&pcm990_pxacamera_platform_data); + + i2c_register_board_info(0, pcm990_i2c_devices, + ARRAY_SIZE(pcm990_i2c_devices)); +#endif + + printk(KERN_INFO"PCM-990 Evaluation baseboard initialized\n"); +} |