mirror of https://gitee.com/openkylin/linux.git
308 lines
6.9 KiB
C
308 lines
6.9 KiB
C
/*
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* Copyright (C) 2009-2010, Lars-Peter Clausen <lars@metafoo.de>
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* JZ4740 platform devices
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the
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* Free Software Foundation; either version 2 of the License, or (at your
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* option) any later version.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 675 Mass Ave, Cambridge, MA 02139, USA.
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*
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*/
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#include <linux/device.h>
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#include <linux/init.h>
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#include <linux/kernel.h>
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#include <linux/platform_device.h>
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#include <linux/resource.h>
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#include <linux/dma-mapping.h>
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#include <asm/mach-jz4740/platform.h>
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#include <asm/mach-jz4740/base.h>
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#include <asm/mach-jz4740/irq.h>
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#include <linux/serial_core.h>
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#include <linux/serial_8250.h>
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#include "serial.h"
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#include "clock.h"
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/* OHCI controller */
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static struct resource jz4740_usb_ohci_resources[] = {
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{
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.start = JZ4740_UHC_BASE_ADDR,
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.end = JZ4740_UHC_BASE_ADDR + 0x1000 - 1,
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.flags = IORESOURCE_MEM,
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},
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{
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.start = JZ4740_IRQ_UHC,
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.end = JZ4740_IRQ_UHC,
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.flags = IORESOURCE_IRQ,
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},
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};
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struct platform_device jz4740_usb_ohci_device = {
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.name = "jz4740-ohci",
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.id = -1,
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.dev = {
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.dma_mask = &jz4740_usb_ohci_device.dev.coherent_dma_mask,
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.coherent_dma_mask = DMA_BIT_MASK(32),
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},
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.num_resources = ARRAY_SIZE(jz4740_usb_ohci_resources),
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.resource = jz4740_usb_ohci_resources,
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};
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/* UDC (USB gadget controller) */
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static struct resource jz4740_usb_gdt_resources[] = {
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{
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.start = JZ4740_UDC_BASE_ADDR,
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.end = JZ4740_UDC_BASE_ADDR + 0x1000 - 1,
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.flags = IORESOURCE_MEM,
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},
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{
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.start = JZ4740_IRQ_UDC,
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.end = JZ4740_IRQ_UDC,
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.flags = IORESOURCE_IRQ,
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},
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};
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struct platform_device jz4740_udc_device = {
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.name = "jz-udc",
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.id = -1,
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.dev = {
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.dma_mask = &jz4740_udc_device.dev.coherent_dma_mask,
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.coherent_dma_mask = DMA_BIT_MASK(32),
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},
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.num_resources = ARRAY_SIZE(jz4740_usb_gdt_resources),
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.resource = jz4740_usb_gdt_resources,
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};
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/* MMC/SD controller */
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static struct resource jz4740_mmc_resources[] = {
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{
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.start = JZ4740_MSC_BASE_ADDR,
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.end = JZ4740_MSC_BASE_ADDR + 0x1000 - 1,
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.flags = IORESOURCE_MEM,
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},
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{
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.start = JZ4740_IRQ_MSC,
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.end = JZ4740_IRQ_MSC,
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.flags = IORESOURCE_IRQ,
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}
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};
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struct platform_device jz4740_mmc_device = {
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.name = "jz4740-mmc",
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.id = 0,
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.dev = {
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.dma_mask = &jz4740_mmc_device.dev.coherent_dma_mask,
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.coherent_dma_mask = DMA_BIT_MASK(32),
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},
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.num_resources = ARRAY_SIZE(jz4740_mmc_resources),
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.resource = jz4740_mmc_resources,
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};
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/* RTC controller */
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static struct resource jz4740_rtc_resources[] = {
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{
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.start = JZ4740_RTC_BASE_ADDR,
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.end = JZ4740_RTC_BASE_ADDR + 0x38 - 1,
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.flags = IORESOURCE_MEM,
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},
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{
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.start = JZ4740_IRQ_RTC,
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.end = JZ4740_IRQ_RTC,
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.flags = IORESOURCE_IRQ,
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},
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};
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struct platform_device jz4740_rtc_device = {
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.name = "jz4740-rtc",
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.id = -1,
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.num_resources = ARRAY_SIZE(jz4740_rtc_resources),
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.resource = jz4740_rtc_resources,
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};
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/* I2C controller */
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static struct resource jz4740_i2c_resources[] = {
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{
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.start = JZ4740_I2C_BASE_ADDR,
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.end = JZ4740_I2C_BASE_ADDR + 0x1000 - 1,
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.flags = IORESOURCE_MEM,
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},
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{
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.start = JZ4740_IRQ_I2C,
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.end = JZ4740_IRQ_I2C,
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.flags = IORESOURCE_IRQ,
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}
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};
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struct platform_device jz4740_i2c_device = {
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.name = "jz4740-i2c",
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.id = 0,
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.num_resources = ARRAY_SIZE(jz4740_i2c_resources),
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.resource = jz4740_i2c_resources,
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};
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/* NAND controller */
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static struct resource jz4740_nand_resources[] = {
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{
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.name = "mmio",
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.start = JZ4740_EMC_BASE_ADDR,
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.end = JZ4740_EMC_BASE_ADDR + 0x1000 - 1,
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.flags = IORESOURCE_MEM,
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},
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{
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.name = "bank",
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.start = 0x18000000,
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.end = 0x180C0000 - 1,
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.flags = IORESOURCE_MEM,
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},
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};
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struct platform_device jz4740_nand_device = {
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.name = "jz4740-nand",
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.num_resources = ARRAY_SIZE(jz4740_nand_resources),
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.resource = jz4740_nand_resources,
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};
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/* LCD controller */
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static struct resource jz4740_framebuffer_resources[] = {
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{
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.start = JZ4740_LCD_BASE_ADDR,
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.end = JZ4740_LCD_BASE_ADDR + 0x1000 - 1,
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.flags = IORESOURCE_MEM,
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},
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};
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struct platform_device jz4740_framebuffer_device = {
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.name = "jz4740-fb",
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.id = -1,
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.num_resources = ARRAY_SIZE(jz4740_framebuffer_resources),
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.resource = jz4740_framebuffer_resources,
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.dev = {
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.dma_mask = &jz4740_framebuffer_device.dev.coherent_dma_mask,
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.coherent_dma_mask = DMA_BIT_MASK(32),
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},
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};
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/* I2S controller */
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static struct resource jz4740_i2s_resources[] = {
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{
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.start = JZ4740_AIC_BASE_ADDR,
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.end = JZ4740_AIC_BASE_ADDR + 0x38 - 1,
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.flags = IORESOURCE_MEM,
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},
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};
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struct platform_device jz4740_i2s_device = {
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.name = "jz4740-i2s",
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.id = -1,
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.num_resources = ARRAY_SIZE(jz4740_i2s_resources),
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.resource = jz4740_i2s_resources,
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};
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/* PCM */
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struct platform_device jz4740_pcm_device = {
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.name = "jz4740-pcm-audio",
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.id = -1,
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};
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/* Codec */
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static struct resource jz4740_codec_resources[] = {
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{
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.start = JZ4740_AIC_BASE_ADDR + 0x80,
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.end = JZ4740_AIC_BASE_ADDR + 0x88 - 1,
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.flags = IORESOURCE_MEM,
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},
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};
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struct platform_device jz4740_codec_device = {
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.name = "jz4740-codec",
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.id = -1,
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.num_resources = ARRAY_SIZE(jz4740_codec_resources),
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.resource = jz4740_codec_resources,
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};
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/* ADC controller */
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static struct resource jz4740_adc_resources[] = {
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{
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.start = JZ4740_SADC_BASE_ADDR,
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.end = JZ4740_SADC_BASE_ADDR + 0x30,
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.flags = IORESOURCE_MEM,
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},
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{
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.start = JZ4740_IRQ_SADC,
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.end = JZ4740_IRQ_SADC,
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.flags = IORESOURCE_IRQ,
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},
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{
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.start = JZ4740_IRQ_ADC_BASE,
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.end = JZ4740_IRQ_ADC_BASE,
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.flags = IORESOURCE_IRQ,
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},
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};
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struct platform_device jz4740_adc_device = {
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.name = "jz4740-adc",
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.id = -1,
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.num_resources = ARRAY_SIZE(jz4740_adc_resources),
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.resource = jz4740_adc_resources,
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};
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/* Serial */
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#define JZ4740_UART_DATA(_id) \
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{ \
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.flags = UPF_SKIP_TEST | UPF_IOREMAP | UPF_FIXED_TYPE, \
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.iotype = UPIO_MEM, \
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.regshift = 2, \
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.serial_out = jz4740_serial_out, \
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.type = PORT_16550, \
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.mapbase = JZ4740_UART ## _id ## _BASE_ADDR, \
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.irq = JZ4740_IRQ_UART ## _id, \
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}
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static struct plat_serial8250_port jz4740_uart_data[] = {
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JZ4740_UART_DATA(0),
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JZ4740_UART_DATA(1),
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{},
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};
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static struct platform_device jz4740_uart_device = {
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.name = "serial8250",
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.id = 0,
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.dev = {
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.platform_data = jz4740_uart_data,
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},
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};
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void jz4740_serial_device_register(void)
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{
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struct plat_serial8250_port *p;
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for (p = jz4740_uart_data; p->flags != 0; ++p)
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p->uartclk = jz4740_clock_bdata.ext_rate;
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platform_device_register(&jz4740_uart_device);
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}
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/* Watchdog */
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static struct resource jz4740_wdt_resources[] = {
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{
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.start = JZ4740_WDT_BASE_ADDR,
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.end = JZ4740_WDT_BASE_ADDR + 0x10 - 1,
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.flags = IORESOURCE_MEM,
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},
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};
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struct platform_device jz4740_wdt_device = {
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.name = "jz4740-wdt",
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.id = -1,
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.num_resources = ARRAY_SIZE(jz4740_wdt_resources),
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.resource = jz4740_wdt_resources,
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};
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