diff options
| -rw-r--r-- | arch/mips/include/asm/mach-jz4740/platform.h | 36 | ||||
| -rw-r--r-- | arch/mips/jz4740/platform.c | 291 |
2 files changed, 327 insertions, 0 deletions
diff --git a/arch/mips/include/asm/mach-jz4740/platform.h b/arch/mips/include/asm/mach-jz4740/platform.h new file mode 100644 index 000000000000..8987a76e9676 --- /dev/null +++ b/arch/mips/include/asm/mach-jz4740/platform.h @@ -0,0 +1,36 @@ +/* + * Copyright (C) 2009-2010, Lars-Peter Clausen <lars@metafoo.de> + * JZ4740 platform device definitions + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 675 Mass Ave, Cambridge, MA 02139, USA. + * + */ + + +#ifndef __JZ4740_PLATFORM_H +#define __JZ4740_PLATFORM_H + +#include <linux/platform_device.h> + +extern struct platform_device jz4740_usb_ohci_device; +extern struct platform_device jz4740_udc_device; +extern struct platform_device jz4740_mmc_device; +extern struct platform_device jz4740_rtc_device; +extern struct platform_device jz4740_i2c_device; +extern struct platform_device jz4740_nand_device; +extern struct platform_device jz4740_framebuffer_device; +extern struct platform_device jz4740_i2s_device; +extern struct platform_device jz4740_pcm_device; +extern struct platform_device jz4740_codec_device; +extern struct platform_device jz4740_adc_device; + +void jz4740_serial_device_register(void); + +#endif diff --git a/arch/mips/jz4740/platform.c b/arch/mips/jz4740/platform.c new file mode 100644 index 000000000000..95bc2b5b14f1 --- /dev/null +++ b/arch/mips/jz4740/platform.c @@ -0,0 +1,291 @@ +/* + * Copyright (C) 2009-2010, Lars-Peter Clausen <lars@metafoo.de> + * JZ4740 platform devices + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 675 Mass Ave, Cambridge, MA 02139, USA. + * + */ + +#include <linux/device.h> +#include <linux/init.h> +#include <linux/kernel.h> +#include <linux/platform_device.h> +#include <linux/resource.h> + +#include <linux/dma-mapping.h> + +#include <asm/mach-jz4740/platform.h> +#include <asm/mach-jz4740/base.h> +#include <asm/mach-jz4740/irq.h> + +#include <linux/serial_core.h> +#include <linux/serial_8250.h> + +#include "serial.h" +#include "clock.h" + +/* OHCI controller */ +static struct resource jz4740_usb_ohci_resources[] = { + { + .start = JZ4740_UHC_BASE_ADDR, + .end = JZ4740_UHC_BASE_ADDR + 0x1000 - 1, + .flags = IORESOURCE_MEM, + }, + { + .start = JZ4740_IRQ_UHC, + .end = JZ4740_IRQ_UHC, + .flags = IORESOURCE_IRQ, + }, +}; + +struct platform_device jz4740_usb_ohci_device = { + .name = "jz4740-ohci", + .id = -1, + .dev = { + .dma_mask = &jz4740_usb_ohci_device.dev.coherent_dma_mask, + .coherent_dma_mask = DMA_BIT_MASK(32), + }, + .num_resources = ARRAY_SIZE(jz4740_usb_ohci_resources), + .resource = jz4740_usb_ohci_resources, +}; + +/* UDC (USB gadget controller) */ +static struct resource jz4740_usb_gdt_resources[] = { + { + .start = JZ4740_UDC_BASE_ADDR, + .end = JZ4740_UDC_BASE_ADDR + 0x1000 - 1, + .flags = IORESOURCE_MEM, + }, + { + .start = JZ4740_IRQ_UDC, + .end = JZ4740_IRQ_UDC, + .flags = IORESOURCE_IRQ, + }, +}; + +struct platform_device jz4740_udc_device = { + .name = "jz-udc", + .id = -1, + .dev = { + .dma_mask = &jz4740_udc_device.dev.coherent_dma_mask, + .coherent_dma_mask = DMA_BIT_MASK(32), + }, + .num_resources = ARRAY_SIZE(jz4740_usb_gdt_resources), + .resource = jz4740_usb_gdt_resources, +}; + +/* MMC/SD controller */ +static struct resource jz4740_mmc_resources[] = { + { + .start = JZ4740_MSC_BASE_ADDR, + .end = JZ4740_MSC_BASE_ADDR + 0x1000 - 1, + .flags = IORESOURCE_MEM, + }, + { + .start = JZ4740_IRQ_MSC, + .end = JZ4740_IRQ_MSC, + .flags = IORESOURCE_IRQ, + } +}; + +struct platform_device jz4740_mmc_device = { + .name = "jz4740-mmc", + .id = 0, + .dev = { + .dma_mask = &jz4740_mmc_device.dev.coherent_dma_mask, + .coherent_dma_mask = DMA_BIT_MASK(32), + }, + .num_resources = ARRAY_SIZE(jz4740_mmc_resources), + .resource = jz4740_mmc_resources, +}; + +/* RTC controller */ +static struct resource jz4740_rtc_resources[] = { + { + .start = JZ4740_RTC_BASE_ADDR, + .end = JZ4740_RTC_BASE_ADDR + 0x38 - 1, + .flags = IORESOURCE_MEM, + }, + { + .start = JZ4740_IRQ_RTC, + .end = JZ4740_IRQ_RTC, + .flags = IORESOURCE_IRQ, + }, +}; + +struct platform_device jz4740_rtc_device = { + .name = "jz4740-rtc", + .id = -1, + .num_resources = ARRAY_SIZE(jz4740_rtc_resources), + .resource = jz4740_rtc_resources, +}; + +/* I2C controller */ +static struct resource jz4740_i2c_resources[] = { + { + .start = JZ4740_I2C_BASE_ADDR, + .end = JZ4740_I2C_BASE_ADDR + 0x1000 - 1, + .flags = IORESOURCE_MEM, + }, + { + .start = JZ4740_IRQ_I2C, + .end = JZ4740_IRQ_I2C, + .flags = IORESOURCE_IRQ, + } +}; + +struct platform_device jz4740_i2c_device = { + .name = "jz4740-i2c", + .id = 0, + .num_resources = ARRAY_SIZE(jz4740_i2c_resources), + .resource = jz4740_i2c_resources, +}; + +/* NAND controller */ +static struct resource jz4740_nand_resources[] = { + { + .name = "mmio", + .start = JZ4740_EMC_BASE_ADDR, + .end = JZ4740_EMC_BASE_ADDR + 0x1000 - 1, + .flags = IORESOURCE_MEM, + }, + { + .name = "bank", + .start = 0x18000000, + .end = 0x180C0000 - 1, + .flags = IORESOURCE_MEM, + }, +}; + +struct platform_device jz4740_nand_device = { + .name = "jz4740-nand", + .num_resources = ARRAY_SIZE(jz4740_nand_resources), + .resource = jz4740_nand_resources, +}; + +/* LCD controller */ +static struct resource jz4740_framebuffer_resources[] = { + { + .start = JZ4740_LCD_BASE_ADDR, + .end = JZ4740_LCD_BASE_ADDR + 0x1000 - 1, + .flags = IORESOURCE_MEM, + }, +}; + +struct platform_device jz4740_framebuffer_device = { + .name = "jz4740-fb", + .id = -1, + .num_resources = ARRAY_SIZE(jz4740_framebuffer_resources), + .resource = jz4740_framebuffer_resources, + .dev = { + .dma_mask = &jz4740_framebuffer_device.dev.coherent_dma_mask, + .coherent_dma_mask = DMA_BIT_MASK(32), + }, +}; + +/* I2S controller */ +static struct resource jz4740_i2s_resources[] = { + { + .start = JZ4740_AIC_BASE_ADDR, + .end = JZ4740_AIC_BASE_ADDR + 0x38 - 1, + .flags = IORESOURCE_MEM, + }, +}; + +struct platform_device jz4740_i2s_device = { + .name = "jz4740-i2s", + .id = -1, + .num_resources = ARRAY_SIZE(jz4740_i2s_resources), + .resource = jz4740_i2s_resources, +}; + +/* PCM */ +struct platform_device jz4740_pcm_device = { + .name = "jz4740-pcm", + .id = -1, +}; + +/* Codec */ +static struct resource jz4740_codec_resources[] = { + { + .start = JZ4740_AIC_BASE_ADDR + 0x80, + .end = JZ4740_AIC_BASE_ADDR + 0x88 - 1, + .flags = IORESOURCE_MEM, + }, +}; + +struct platform_device jz4740_codec_device = { + .name = "jz4740-codec", + .id = -1, + .num_resources = ARRAY_SIZE(jz4740_codec_resources), + .resource = jz4740_codec_resources, +}; + +/* ADC controller */ +static struct resource jz4740_adc_resources[] = { + { + .start = JZ4740_SADC_BASE_ADDR, + .end = JZ4740_SADC_BASE_ADDR + 0x30, + .flags = IORESOURCE_MEM, + }, + { + .start = JZ4740_IRQ_SADC, + .end = JZ4740_IRQ_SADC, + .flags = IORESOURCE_IRQ, + }, + { + .start = JZ4740_IRQ_ADC_BASE, + .end = JZ4740_IRQ_ADC_BASE, + .flags = IORESOURCE_IRQ, + }, +}; + +struct platform_device jz4740_adc_device = { + .name = "jz4740-adc", + .id = -1, + .num_resources = ARRAY_SIZE(jz4740_adc_resources), + .resource = jz4740_adc_resources, +}; + +/* Serial */ +#define JZ4740_UART_DATA(_id) \ + { \ + .flags = UPF_SKIP_TEST | UPF_IOREMAP | UPF_FIXED_TYPE, \ + .iotype = UPIO_MEM, \ + .regshift = 2, \ + .serial_out = jz4740_serial_out, \ + .type = PORT_16550, \ + .mapbase = JZ4740_UART ## _id ## _BASE_ADDR, \ + .irq = JZ4740_IRQ_UART ## _id, \ + } + +static struct plat_serial8250_port jz4740_uart_data[] = { + JZ4740_UART_DATA(0), + JZ4740_UART_DATA(1), + {}, +}; + +static struct platform_device jz4740_uart_device = { + .name = "serial8250", + .id = 0, + .dev = { + .platform_data = jz4740_uart_data, + }, +}; + +void jz4740_serial_device_register(void) +{ + struct plat_serial8250_port *p; + + for (p = jz4740_uart_data; p->flags != 0; ++p) + p->uartclk = jz4740_clock_bdata.ext_rate; + + platform_device_register(&jz4740_uart_device); +} |
