134 lines
3.1 KiB
C
134 lines
3.1 KiB
C
/*
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* Platform device support for NXP PNX8550 SoCs
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*
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* Copyright 2005, Embedded Alley Solutions, Inc
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*
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* Based on arch/mips/au1000/common/platform.c
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* Platform device support for Au1x00 SoCs.
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*
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* Copyright 2004, Matt Porter <mporter@kernel.crashing.org>
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*
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* This file is licensed under the terms of the GNU General Public
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* License version 2. This program is licensed "as is" without any
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* warranty of any kind, whether express or implied.
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*/
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#include <linux/device.h>
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#include <linux/dma-mapping.h>
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#include <linux/kernel.h>
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#include <linux/init.h>
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#include <linux/resource.h>
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#include <linux/serial.h>
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#include <linux/serial_pnx8xxx.h>
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#include <linux/platform_device.h>
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#include <int.h>
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#include <usb.h>
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#include <uart.h>
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static struct resource pnx8550_usb_ohci_resources[] = {
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[0] = {
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.start = PNX8550_USB_OHCI_OP_BASE,
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.end = PNX8550_USB_OHCI_OP_BASE +
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PNX8550_USB_OHCI_OP_LEN,
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.flags = IORESOURCE_MEM,
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},
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[1] = {
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.start = PNX8550_INT_USB,
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.end = PNX8550_INT_USB,
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.flags = IORESOURCE_IRQ,
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},
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};
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static struct resource pnx8550_uart_resources[] = {
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[0] = {
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.start = PNX8550_UART_PORT0,
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.end = PNX8550_UART_PORT0 + 0xfff,
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.flags = IORESOURCE_MEM,
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},
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[1] = {
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.start = PNX8550_UART_INT(0),
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.end = PNX8550_UART_INT(0),
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.flags = IORESOURCE_IRQ,
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},
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[2] = {
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.start = PNX8550_UART_PORT1,
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.end = PNX8550_UART_PORT1 + 0xfff,
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.flags = IORESOURCE_MEM,
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},
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[3] = {
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.start = PNX8550_UART_INT(1),
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.end = PNX8550_UART_INT(1),
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.flags = IORESOURCE_IRQ,
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},
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};
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struct pnx8xxx_port pnx8xxx_ports[] = {
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[0] = {
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.port = {
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.type = PORT_PNX8XXX,
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.iotype = UPIO_MEM,
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.membase = (void __iomem *)PNX8550_UART_PORT0,
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.mapbase = PNX8550_UART_PORT0,
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.irq = PNX8550_UART_INT(0),
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.uartclk = 3692300,
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.fifosize = 16,
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.flags = UPF_BOOT_AUTOCONF,
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.line = 0,
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},
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},
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[1] = {
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.port = {
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.type = PORT_PNX8XXX,
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.iotype = UPIO_MEM,
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.membase = (void __iomem *)PNX8550_UART_PORT1,
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.mapbase = PNX8550_UART_PORT1,
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.irq = PNX8550_UART_INT(1),
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.uartclk = 3692300,
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.fifosize = 16,
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.flags = UPF_BOOT_AUTOCONF,
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.line = 1,
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},
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},
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};
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/* The dmamask must be set for OHCI to work */
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static u64 ohci_dmamask = DMA_BIT_MASK(32);
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static u64 uart_dmamask = DMA_BIT_MASK(32);
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static struct platform_device pnx8550_usb_ohci_device = {
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.name = "pnx8550-ohci",
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.id = -1,
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.dev = {
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.dma_mask = &ohci_dmamask,
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.coherent_dma_mask = DMA_BIT_MASK(32),
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},
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.num_resources = ARRAY_SIZE(pnx8550_usb_ohci_resources),
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.resource = pnx8550_usb_ohci_resources,
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};
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static struct platform_device pnx8550_uart_device = {
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.name = "pnx8xxx-uart",
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.id = -1,
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.dev = {
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.dma_mask = &uart_dmamask,
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.coherent_dma_mask = DMA_BIT_MASK(32),
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.platform_data = pnx8xxx_ports,
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},
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.num_resources = ARRAY_SIZE(pnx8550_uart_resources),
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.resource = pnx8550_uart_resources,
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};
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static struct platform_device *pnx8550_platform_devices[] __initdata = {
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&pnx8550_usb_ohci_device,
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&pnx8550_uart_device,
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};
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static int __init pnx8550_platform_init(void)
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{
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return platform_add_devices(pnx8550_platform_devices,
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ARRAY_SIZE(pnx8550_platform_devices));
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}
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arch_initcall(pnx8550_platform_init);
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