320 lines
7.7 KiB
C
320 lines
7.7 KiB
C
/*
|
|
* Platform device support for Au1x00 SoCs.
|
|
*
|
|
* Copyright 2004, Matt Porter <mporter@kernel.crashing.org>
|
|
*
|
|
* (C) Copyright Embedded Alley Solutions, Inc 2005
|
|
* Author: Pantelis Antoniou <pantelis@embeddedalley.com>
|
|
*
|
|
* This file is licensed under the terms of the GNU General Public
|
|
* License version 2. This program is licensed "as is" without any
|
|
* warranty of any kind, whether express or implied.
|
|
*/
|
|
|
|
#include <linux/dma-mapping.h>
|
|
#include <linux/platform_device.h>
|
|
#include <linux/serial_8250.h>
|
|
#include <linux/init.h>
|
|
|
|
#include <asm/mach-au1x00/au1xxx.h>
|
|
|
|
#define PORT(_base, _irq) \
|
|
{ \
|
|
.iobase = _base, \
|
|
.membase = (void __iomem *)_base,\
|
|
.mapbase = CPHYSADDR(_base), \
|
|
.irq = _irq, \
|
|
.regshift = 2, \
|
|
.iotype = UPIO_AU, \
|
|
.flags = UPF_SKIP_TEST \
|
|
}
|
|
|
|
static struct plat_serial8250_port au1x00_uart_data[] = {
|
|
#if defined(CONFIG_SERIAL_8250_AU1X00)
|
|
#if defined(CONFIG_SOC_AU1000)
|
|
PORT(UART0_ADDR, AU1000_UART0_INT),
|
|
PORT(UART1_ADDR, AU1000_UART1_INT),
|
|
PORT(UART2_ADDR, AU1000_UART2_INT),
|
|
PORT(UART3_ADDR, AU1000_UART3_INT),
|
|
#elif defined(CONFIG_SOC_AU1500)
|
|
PORT(UART0_ADDR, AU1500_UART0_INT),
|
|
PORT(UART3_ADDR, AU1500_UART3_INT),
|
|
#elif defined(CONFIG_SOC_AU1100)
|
|
PORT(UART0_ADDR, AU1100_UART0_INT),
|
|
PORT(UART1_ADDR, AU1100_UART1_INT),
|
|
PORT(UART3_ADDR, AU1100_UART3_INT),
|
|
#elif defined(CONFIG_SOC_AU1550)
|
|
PORT(UART0_ADDR, AU1550_UART0_INT),
|
|
PORT(UART1_ADDR, AU1550_UART1_INT),
|
|
PORT(UART3_ADDR, AU1550_UART3_INT),
|
|
#elif defined(CONFIG_SOC_AU1200)
|
|
PORT(UART0_ADDR, AU1200_UART0_INT),
|
|
PORT(UART1_ADDR, AU1200_UART1_INT),
|
|
#endif
|
|
#endif /* CONFIG_SERIAL_8250_AU1X00 */
|
|
{ },
|
|
};
|
|
|
|
static struct platform_device au1xx0_uart_device = {
|
|
.name = "serial8250",
|
|
.id = PLAT8250_DEV_AU1X00,
|
|
.dev = {
|
|
.platform_data = au1x00_uart_data,
|
|
},
|
|
};
|
|
|
|
/* OHCI (USB full speed host controller) */
|
|
static struct resource au1xxx_usb_ohci_resources[] = {
|
|
[0] = {
|
|
.start = USB_OHCI_BASE,
|
|
.end = USB_OHCI_BASE + USB_OHCI_LEN - 1,
|
|
.flags = IORESOURCE_MEM,
|
|
},
|
|
[1] = {
|
|
.start = AU1000_USB_HOST_INT,
|
|
.end = AU1000_USB_HOST_INT,
|
|
.flags = IORESOURCE_IRQ,
|
|
},
|
|
};
|
|
|
|
/* The dmamask must be set for OHCI to work */
|
|
static u64 ohci_dmamask = DMA_32BIT_MASK;
|
|
|
|
static struct platform_device au1xxx_usb_ohci_device = {
|
|
.name = "au1xxx-ohci",
|
|
.id = 0,
|
|
.dev = {
|
|
.dma_mask = &ohci_dmamask,
|
|
.coherent_dma_mask = DMA_32BIT_MASK,
|
|
},
|
|
.num_resources = ARRAY_SIZE(au1xxx_usb_ohci_resources),
|
|
.resource = au1xxx_usb_ohci_resources,
|
|
};
|
|
|
|
/*** AU1100 LCD controller ***/
|
|
|
|
#ifdef CONFIG_FB_AU1100
|
|
static struct resource au1100_lcd_resources[] = {
|
|
[0] = {
|
|
.start = LCD_PHYS_ADDR,
|
|
.end = LCD_PHYS_ADDR + 0x800 - 1,
|
|
.flags = IORESOURCE_MEM,
|
|
},
|
|
[1] = {
|
|
.start = AU1100_LCD_INT,
|
|
.end = AU1100_LCD_INT,
|
|
.flags = IORESOURCE_IRQ,
|
|
}
|
|
};
|
|
|
|
static u64 au1100_lcd_dmamask = DMA_32BIT_MASK;
|
|
|
|
static struct platform_device au1100_lcd_device = {
|
|
.name = "au1100-lcd",
|
|
.id = 0,
|
|
.dev = {
|
|
.dma_mask = &au1100_lcd_dmamask,
|
|
.coherent_dma_mask = DMA_32BIT_MASK,
|
|
},
|
|
.num_resources = ARRAY_SIZE(au1100_lcd_resources),
|
|
.resource = au1100_lcd_resources,
|
|
};
|
|
#endif
|
|
|
|
#ifdef CONFIG_SOC_AU1200
|
|
/* EHCI (USB high speed host controller) */
|
|
static struct resource au1xxx_usb_ehci_resources[] = {
|
|
[0] = {
|
|
.start = USB_EHCI_BASE,
|
|
.end = USB_EHCI_BASE + USB_EHCI_LEN - 1,
|
|
.flags = IORESOURCE_MEM,
|
|
},
|
|
[1] = {
|
|
.start = AU1000_USB_HOST_INT,
|
|
.end = AU1000_USB_HOST_INT,
|
|
.flags = IORESOURCE_IRQ,
|
|
},
|
|
};
|
|
|
|
static u64 ehci_dmamask = DMA_32BIT_MASK;
|
|
|
|
static struct platform_device au1xxx_usb_ehci_device = {
|
|
.name = "au1xxx-ehci",
|
|
.id = 0,
|
|
.dev = {
|
|
.dma_mask = &ehci_dmamask,
|
|
.coherent_dma_mask = DMA_32BIT_MASK,
|
|
},
|
|
.num_resources = ARRAY_SIZE(au1xxx_usb_ehci_resources),
|
|
.resource = au1xxx_usb_ehci_resources,
|
|
};
|
|
|
|
/* Au1200 UDC (USB gadget controller) */
|
|
static struct resource au1xxx_usb_gdt_resources[] = {
|
|
[0] = {
|
|
.start = USB_UDC_BASE,
|
|
.end = USB_UDC_BASE + USB_UDC_LEN - 1,
|
|
.flags = IORESOURCE_MEM,
|
|
},
|
|
[1] = {
|
|
.start = AU1200_USB_INT,
|
|
.end = AU1200_USB_INT,
|
|
.flags = IORESOURCE_IRQ,
|
|
},
|
|
};
|
|
|
|
static struct resource au1xxx_mmc_resources[] = {
|
|
[0] = {
|
|
.start = SD0_PHYS_ADDR,
|
|
.end = SD0_PHYS_ADDR + 0x7ffff,
|
|
.flags = IORESOURCE_MEM,
|
|
},
|
|
[1] = {
|
|
.start = SD1_PHYS_ADDR,
|
|
.end = SD1_PHYS_ADDR + 0x7ffff,
|
|
.flags = IORESOURCE_MEM,
|
|
},
|
|
[2] = {
|
|
.start = AU1200_SD_INT,
|
|
.end = AU1200_SD_INT,
|
|
.flags = IORESOURCE_IRQ,
|
|
}
|
|
};
|
|
|
|
static u64 udc_dmamask = DMA_32BIT_MASK;
|
|
|
|
static struct platform_device au1xxx_usb_gdt_device = {
|
|
.name = "au1xxx-udc",
|
|
.id = 0,
|
|
.dev = {
|
|
.dma_mask = &udc_dmamask,
|
|
.coherent_dma_mask = DMA_32BIT_MASK,
|
|
},
|
|
.num_resources = ARRAY_SIZE(au1xxx_usb_gdt_resources),
|
|
.resource = au1xxx_usb_gdt_resources,
|
|
};
|
|
|
|
/* Au1200 UOC (USB OTG controller) */
|
|
static struct resource au1xxx_usb_otg_resources[] = {
|
|
[0] = {
|
|
.start = USB_UOC_BASE,
|
|
.end = USB_UOC_BASE + USB_UOC_LEN - 1,
|
|
.flags = IORESOURCE_MEM,
|
|
},
|
|
[1] = {
|
|
.start = AU1200_USB_INT,
|
|
.end = AU1200_USB_INT,
|
|
.flags = IORESOURCE_IRQ,
|
|
},
|
|
};
|
|
|
|
static u64 uoc_dmamask = DMA_32BIT_MASK;
|
|
|
|
static struct platform_device au1xxx_usb_otg_device = {
|
|
.name = "au1xxx-uoc",
|
|
.id = 0,
|
|
.dev = {
|
|
.dma_mask = &uoc_dmamask,
|
|
.coherent_dma_mask = DMA_32BIT_MASK,
|
|
},
|
|
.num_resources = ARRAY_SIZE(au1xxx_usb_otg_resources),
|
|
.resource = au1xxx_usb_otg_resources,
|
|
};
|
|
|
|
static struct resource au1200_lcd_resources[] = {
|
|
[0] = {
|
|
.start = LCD_PHYS_ADDR,
|
|
.end = LCD_PHYS_ADDR + 0x800 - 1,
|
|
.flags = IORESOURCE_MEM,
|
|
},
|
|
[1] = {
|
|
.start = AU1200_LCD_INT,
|
|
.end = AU1200_LCD_INT,
|
|
.flags = IORESOURCE_IRQ,
|
|
}
|
|
};
|
|
|
|
static u64 au1200_lcd_dmamask = DMA_32BIT_MASK;
|
|
|
|
static struct platform_device au1200_lcd_device = {
|
|
.name = "au1200-lcd",
|
|
.id = 0,
|
|
.dev = {
|
|
.dma_mask = &au1200_lcd_dmamask,
|
|
.coherent_dma_mask = DMA_32BIT_MASK,
|
|
},
|
|
.num_resources = ARRAY_SIZE(au1200_lcd_resources),
|
|
.resource = au1200_lcd_resources,
|
|
};
|
|
|
|
static u64 au1xxx_mmc_dmamask = DMA_32BIT_MASK;
|
|
|
|
static struct platform_device au1xxx_mmc_device = {
|
|
.name = "au1xxx-mmc",
|
|
.id = 0,
|
|
.dev = {
|
|
.dma_mask = &au1xxx_mmc_dmamask,
|
|
.coherent_dma_mask = DMA_32BIT_MASK,
|
|
},
|
|
.num_resources = ARRAY_SIZE(au1xxx_mmc_resources),
|
|
.resource = au1xxx_mmc_resources,
|
|
};
|
|
#endif /* #ifdef CONFIG_SOC_AU1200 */
|
|
|
|
static struct platform_device au1x00_pcmcia_device = {
|
|
.name = "au1x00-pcmcia",
|
|
.id = 0,
|
|
};
|
|
|
|
/* All Alchemy demoboards with I2C have this #define in their headers */
|
|
#ifdef SMBUS_PSC_BASE
|
|
static struct resource pbdb_smbus_resources[] = {
|
|
{
|
|
.start = CPHYSADDR(SMBUS_PSC_BASE),
|
|
.end = CPHYSADDR(SMBUS_PSC_BASE + 0xfffff),
|
|
.flags = IORESOURCE_MEM,
|
|
},
|
|
};
|
|
|
|
static struct platform_device pbdb_smbus_device = {
|
|
.name = "au1xpsc_smbus",
|
|
.id = 0, /* bus number */
|
|
.num_resources = ARRAY_SIZE(pbdb_smbus_resources),
|
|
.resource = pbdb_smbus_resources,
|
|
};
|
|
#endif
|
|
|
|
static struct platform_device *au1xxx_platform_devices[] __initdata = {
|
|
&au1xx0_uart_device,
|
|
&au1xxx_usb_ohci_device,
|
|
&au1x00_pcmcia_device,
|
|
#ifdef CONFIG_FB_AU1100
|
|
&au1100_lcd_device,
|
|
#endif
|
|
#ifdef CONFIG_SOC_AU1200
|
|
&au1xxx_usb_ehci_device,
|
|
&au1xxx_usb_gdt_device,
|
|
&au1xxx_usb_otg_device,
|
|
&au1200_lcd_device,
|
|
&au1xxx_mmc_device,
|
|
#endif
|
|
#ifdef SMBUS_PSC_BASE
|
|
&pbdb_smbus_device,
|
|
#endif
|
|
};
|
|
|
|
static int __init au1xxx_platform_init(void)
|
|
{
|
|
unsigned int uartclk = get_au1x00_uart_baud_base() * 16;
|
|
int i;
|
|
|
|
/* Fill up uartclk. */
|
|
for (i = 0; au1x00_uart_data[i].flags; i++)
|
|
au1x00_uart_data[i].uartclk = uartclk;
|
|
|
|
return platform_add_devices(au1xxx_platform_devices,
|
|
ARRAY_SIZE(au1xxx_platform_devices));
|
|
}
|
|
|
|
arch_initcall(au1xxx_platform_init);
|