390 lines
8.6 KiB
C
390 lines
8.6 KiB
C
/*
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* Freescale STMP37XX/STMP378X platform devices
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*
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* Embedded Alley Solutions, Inc <source@embeddedalley.com>
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*
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* Copyright 2008 Freescale Semiconductor, Inc. All Rights Reserved.
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* Copyright 2008 Embedded Alley Solutions, Inc All Rights Reserved.
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*/
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/*
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* The code contained herein is licensed under the GNU General Public
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* License. You may obtain a copy of the GNU General Public License
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* Version 2 or later at the following locations:
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*
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* http://www.opensource.org/licenses/gpl-license.html
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* http://www.gnu.org/copyleft/gpl.html
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*/
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#include <linux/kernel.h>
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#include <linux/init.h>
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#include <linux/device.h>
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#include <linux/platform_device.h>
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#include <linux/dma-mapping.h>
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#include <mach/dma.h>
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#include <mach/platform.h>
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#include <mach/stmp3xxx.h>
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#include <mach/regs-lcdif.h>
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#include <mach/regs-uartapp.h>
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#include <mach/regs-gpmi.h>
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#include <mach/regs-usbctrl.h>
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#include <mach/regs-ssp.h>
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#include <mach/regs-rtc.h>
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static u64 common_dmamask = DMA_BIT_MASK(32);
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static struct resource appuart_resources[] = {
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{
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.start = IRQ_UARTAPP_INTERNAL,
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.end = IRQ_UARTAPP_INTERNAL,
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.flags = IORESOURCE_IRQ,
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}, {
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.start = IRQ_UARTAPP_RX_DMA,
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.end = IRQ_UARTAPP_RX_DMA,
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.flags = IORESOURCE_IRQ,
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}, {
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.start = IRQ_UARTAPP_TX_DMA,
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.end = IRQ_UARTAPP_TX_DMA,
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.flags = IORESOURCE_IRQ,
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}, {
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.start = REGS_UARTAPP1_PHYS,
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.end = REGS_UARTAPP1_PHYS + REGS_UARTAPP_SIZE,
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.flags = IORESOURCE_MEM,
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}, {
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/* Rx DMA channel */
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.start = STMP3XXX_DMA(6, STMP3XXX_BUS_APBX),
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.end = STMP3XXX_DMA(6, STMP3XXX_BUS_APBX),
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.flags = IORESOURCE_DMA,
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}, {
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/* Tx DMA channel */
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.start = STMP3XXX_DMA(7, STMP3XXX_BUS_APBX),
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.end = STMP3XXX_DMA(7, STMP3XXX_BUS_APBX),
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.flags = IORESOURCE_DMA,
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},
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};
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struct platform_device stmp3xxx_appuart = {
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.name = "stmp3xxx-appuart",
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.id = 0,
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.resource = appuart_resources,
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.num_resources = ARRAY_SIZE(appuart_resources),
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.dev = {
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.dma_mask = &common_dmamask,
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.coherent_dma_mask = DMA_BIT_MASK(32),
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},
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};
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struct platform_device stmp3xxx_watchdog = {
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.name = "stmp3xxx_wdt",
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.id = -1,
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};
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static struct resource ts_resource[] = {
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{
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.flags = IORESOURCE_IRQ,
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.start = IRQ_TOUCH_DETECT,
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.end = IRQ_TOUCH_DETECT,
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}, {
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.flags = IORESOURCE_IRQ,
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.start = IRQ_LRADC_CH5,
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.end = IRQ_LRADC_CH5,
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},
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};
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struct platform_device stmp3xxx_touchscreen = {
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.name = "stmp3xxx_ts",
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.id = -1,
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.resource = ts_resource,
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.num_resources = ARRAY_SIZE(ts_resource),
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};
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/*
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* Keypad device
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*/
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struct platform_device stmp3xxx_keyboard = {
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.name = "stmp3xxx-keyboard",
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.id = -1,
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};
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static struct resource gpmi_resources[] = {
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{
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.flags = IORESOURCE_MEM,
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.start = REGS_GPMI_PHYS,
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.end = REGS_GPMI_PHYS + REGS_GPMI_SIZE,
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}, {
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.flags = IORESOURCE_IRQ,
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.start = IRQ_GPMI_DMA,
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.end = IRQ_GPMI_DMA,
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}, {
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.flags = IORESOURCE_DMA,
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.start = STMP3XXX_DMA(4, STMP3XXX_BUS_APBH),
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.end = STMP3XXX_DMA(8, STMP3XXX_BUS_APBH),
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},
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};
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struct platform_device stmp3xxx_gpmi = {
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.name = "gpmi",
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.id = -1,
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.dev = {
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.dma_mask = &common_dmamask,
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.coherent_dma_mask = DMA_BIT_MASK(32),
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},
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.resource = gpmi_resources,
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.num_resources = ARRAY_SIZE(gpmi_resources),
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};
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static struct resource mmc1_resource[] = {
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{
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.flags = IORESOURCE_MEM,
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.start = REGS_SSP1_PHYS,
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.end = REGS_SSP1_PHYS + REGS_SSP_SIZE,
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}, {
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.flags = IORESOURCE_DMA,
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.start = STMP3XXX_DMA(1, STMP3XXX_BUS_APBH),
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.end = STMP3XXX_DMA(1, STMP3XXX_BUS_APBH),
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}, {
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.flags = IORESOURCE_IRQ,
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.start = IRQ_SSP1_DMA,
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.end = IRQ_SSP1_DMA,
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}, {
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.flags = IORESOURCE_IRQ,
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.start = IRQ_SSP_ERROR,
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.end = IRQ_SSP_ERROR,
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},
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};
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struct platform_device stmp3xxx_mmc = {
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.name = "stmp3xxx-mmc",
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.id = 1,
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.dev = {
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.dma_mask = &common_dmamask,
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.coherent_dma_mask = DMA_BIT_MASK(32),
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},
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.resource = mmc1_resource,
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.num_resources = ARRAY_SIZE(mmc1_resource),
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};
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static struct resource usb_resources[] = {
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{
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.start = REGS_USBCTRL_PHYS,
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.end = REGS_USBCTRL_PHYS + SZ_4K,
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.flags = IORESOURCE_MEM,
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}, {
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.start = IRQ_USB_CTRL,
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.end = IRQ_USB_CTRL,
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.flags = IORESOURCE_IRQ,
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},
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};
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struct platform_device stmp3xxx_udc = {
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.name = "fsl-usb2-udc",
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.id = -1,
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.dev = {
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.dma_mask = &common_dmamask,
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.coherent_dma_mask = DMA_BIT_MASK(32),
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},
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.resource = usb_resources,
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.num_resources = ARRAY_SIZE(usb_resources),
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};
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struct platform_device stmp3xxx_ehci = {
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.name = "fsl-ehci",
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.id = -1,
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.dev = {
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.dma_mask = &common_dmamask,
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.coherent_dma_mask = DMA_BIT_MASK(32),
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},
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.resource = usb_resources,
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.num_resources = ARRAY_SIZE(usb_resources),
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};
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static struct resource rtc_resources[] = {
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{
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.start = REGS_RTC_PHYS,
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.end = REGS_RTC_PHYS + REGS_RTC_SIZE,
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.flags = IORESOURCE_MEM,
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}, {
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.start = IRQ_RTC_ALARM,
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.end = IRQ_RTC_ALARM,
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.flags = IORESOURCE_IRQ,
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}, {
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.start = IRQ_RTC_1MSEC,
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.end = IRQ_RTC_1MSEC,
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.flags = IORESOURCE_IRQ,
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},
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};
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struct platform_device stmp3xxx_rtc = {
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.name = "stmp3xxx-rtc",
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.id = -1,
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.resource = rtc_resources,
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.num_resources = ARRAY_SIZE(rtc_resources),
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};
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static struct resource ssp1_resources[] = {
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{
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.start = REGS_SSP1_PHYS,
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.end = REGS_SSP1_PHYS + REGS_SSP_SIZE,
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.flags = IORESOURCE_MEM,
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}, {
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.start = IRQ_SSP1_DMA,
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.end = IRQ_SSP1_DMA,
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.flags = IORESOURCE_IRQ,
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}, {
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.start = STMP3XXX_DMA(1, STMP3XXX_BUS_APBH),
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.end = STMP3XXX_DMA(1, STMP3XXX_BUS_APBH),
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.flags = IORESOURCE_DMA,
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},
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};
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static struct resource ssp2_resources[] = {
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{
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.start = REGS_SSP2_PHYS,
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.end = REGS_SSP2_PHYS + REGS_SSP_SIZE,
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.flags = IORESOURCE_MEM,
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}, {
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.start = IRQ_SSP2_DMA,
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.end = IRQ_SSP2_DMA,
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.flags = IORESOURCE_IRQ,
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}, {
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.start = STMP3XXX_DMA(2, STMP3XXX_BUS_APBH),
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.end = STMP3XXX_DMA(2, STMP3XXX_BUS_APBH),
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.flags = IORESOURCE_DMA,
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},
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};
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struct platform_device stmp3xxx_spi1 = {
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.name = "stmp3xxx_ssp",
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.id = 1,
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.dev = {
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.dma_mask = &common_dmamask,
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.coherent_dma_mask = DMA_BIT_MASK(32),
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},
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.resource = ssp1_resources,
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.num_resources = ARRAY_SIZE(ssp1_resources),
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};
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struct platform_device stmp3xxx_spi2 = {
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.name = "stmp3xxx_ssp",
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.id = 2,
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.dev = {
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.dma_mask = &common_dmamask,
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.coherent_dma_mask = DMA_BIT_MASK(32),
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},
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.resource = ssp2_resources,
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.num_resources = ARRAY_SIZE(ssp2_resources),
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};
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static struct resource fb_resource[] = {
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{
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.flags = IORESOURCE_IRQ,
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.start = IRQ_LCDIF_DMA,
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.end = IRQ_LCDIF_DMA,
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}, {
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.flags = IORESOURCE_IRQ,
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.start = IRQ_LCDIF_ERROR,
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.end = IRQ_LCDIF_ERROR,
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}, {
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.flags = IORESOURCE_MEM,
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.start = REGS_LCDIF_PHYS,
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.end = REGS_LCDIF_PHYS + REGS_LCDIF_SIZE,
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},
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};
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struct platform_device stmp3xxx_framebuffer = {
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.name = "stmp3xxx-fb",
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.id = -1,
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.dev = {
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.dma_mask = &common_dmamask,
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.coherent_dma_mask = DMA_BIT_MASK(32),
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},
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.num_resources = ARRAY_SIZE(fb_resource),
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.resource = fb_resource,
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};
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#define CMDLINE_DEVICE_CHOOSE(name, dev1, dev2) \
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static char *cmdline_device_##name; \
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static int cmdline_device_##name##_setup(char *dev) \
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{ \
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cmdline_device_##name = dev + 1; \
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return 0; \
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} \
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__setup(#name, cmdline_device_##name##_setup); \
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int stmp3xxx_##name##_device_register(void) \
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{ \
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struct platform_device *d = NULL; \
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if (!cmdline_device_##name || \
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!strcmp(cmdline_device_##name, #dev1)) \
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d = &stmp3xxx_##dev1; \
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else if (!strcmp(cmdline_device_##name, #dev2)) \
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d = &stmp3xxx_##dev2; \
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else \
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printk(KERN_ERR"Unknown %s assignment '%s'.\n", \
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#name, cmdline_device_##name); \
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return d ? platform_device_register(d) : -ENOENT; \
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}
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CMDLINE_DEVICE_CHOOSE(ssp1, mmc, spi1)
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CMDLINE_DEVICE_CHOOSE(ssp2, gpmi, spi2)
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struct platform_device stmp3xxx_backlight = {
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.name = "stmp3xxx-bl",
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.id = -1,
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};
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struct platform_device stmp3xxx_rotdec = {
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.name = "stmp3xxx-rotdec",
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.id = -1,
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};
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struct platform_device stmp3xxx_persistent = {
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.name = "stmp3xxx-persistent",
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.id = -1,
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};
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struct platform_device stmp3xxx_dcp_bootstream = {
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.name = "stmp3xxx-dcpboot",
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.id = -1,
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.dev = {
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.dma_mask = &common_dmamask,
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.coherent_dma_mask = DMA_BIT_MASK(32),
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},
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};
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static struct resource dcp_resources[] = {
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{
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.start = IRQ_DCP_VMI,
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.end = IRQ_DCP_VMI,
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.flags = IORESOURCE_IRQ,
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}, {
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.start = IRQ_DCP,
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.end = IRQ_DCP,
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.flags = IORESOURCE_IRQ,
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},
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};
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struct platform_device stmp3xxx_dcp = {
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.name = "stmp3xxx-dcp",
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.id = -1,
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.resource = dcp_resources,
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.num_resources = ARRAY_SIZE(dcp_resources),
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.dev = {
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.dma_mask = &common_dmamask,
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.coherent_dma_mask = DMA_BIT_MASK(32),
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},
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};
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static struct resource battery_resource[] = {
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{
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.flags = IORESOURCE_IRQ,
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.start = IRQ_VDD5V,
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.end = IRQ_VDD5V,
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},
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};
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struct platform_device stmp3xxx_battery = {
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.name = "stmp3xxx-battery",
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.resource = battery_resource,
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.num_resources = ARRAY_SIZE(battery_resource),
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};
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