1/* 2 * arch/arm/mach-iop33x/uart.c 3 * 4 * Author: Dave Jiang (dave.jiang@intel.com) 5 * Copyright (C) 2004 Intel Corporation. 6 * 7 * This program is free software; you can redistribute it and/or modify 8 * it under the terms of the GNU General Public License version 2 as 9 * published by the Free Software Foundation. 10 */ 11 12#include <linux/mm.h> 13#include <linux/init.h> 14#include <linux/major.h> 15#include <linux/fs.h> 16#include <linux/platform_device.h> 17#include <linux/serial.h> 18#include <linux/tty.h> 19#include <linux/serial_8250.h> 20#include <asm/io.h> 21#include <asm/pgtable.h> 22#include <asm/page.h> 23#include <asm/mach/map.h> 24#include <asm/setup.h> 25#include <asm/system.h> 26#include <asm/memory.h> 27#include <asm/hardware.h> 28#include <asm/hardware/iop3xx.h> 29#include <asm/mach-types.h> 30#include <asm/mach/arch.h> 31 32#define IOP33X_UART_XTAL 33334000 33 34static struct plat_serial8250_port iop33x_uart0_data[] = { 35 { 36 .membase = (char *)IOP33X_UART0_VIRT, 37 .mapbase = IOP33X_UART0_PHYS, 38 .irq = IRQ_IOP33X_UART0, 39 .uartclk = IOP33X_UART_XTAL, 40 .regshift = 2, 41 .iotype = UPIO_MEM, 42 .flags = UPF_SKIP_TEST, 43 }, 44 { }, 45}; 46 47static struct resource iop33x_uart0_resources[] = { 48 [0] = { 49 .start = IOP33X_UART0_PHYS, 50 .end = IOP33X_UART0_PHYS + 0x3f, 51 .flags = IORESOURCE_MEM, 52 }, 53 [1] = { 54 .start = IRQ_IOP33X_UART0, 55 .end = IRQ_IOP33X_UART0, 56 .flags = IORESOURCE_IRQ, 57 }, 58}; 59 60struct platform_device iop33x_uart0_device = { 61 .name = "serial8250", 62 .id = PLAT8250_DEV_PLATFORM, 63 .dev = { 64 .platform_data = iop33x_uart0_data, 65 }, 66 .num_resources = 2, 67 .resource = iop33x_uart0_resources, 68}; 69 70 71static struct resource iop33x_uart1_resources[] = { 72 [0] = { 73 .start = IOP33X_UART1_PHYS, 74 .end = IOP33X_UART1_PHYS + 0x3f, 75 .flags = IORESOURCE_MEM, 76 }, 77 [1] = { 78 .start = IRQ_IOP33X_UART1, 79 .end = IRQ_IOP33X_UART1, 80 .flags = IORESOURCE_IRQ, 81 }, 82}; 83 84static struct plat_serial8250_port iop33x_uart1_data[] = { 85 { 86 .membase = (char *)IOP33X_UART1_VIRT, 87 .mapbase = IOP33X_UART1_PHYS, 88 .irq = IRQ_IOP33X_UART1, 89 .uartclk = IOP33X_UART_XTAL, 90 .regshift = 2, 91 .iotype = UPIO_MEM, 92 .flags = UPF_SKIP_TEST, 93 }, 94 { }, 95}; 96 97struct platform_device iop33x_uart1_device = { 98 .name = "serial8250", 99 .id = PLAT8250_DEV_PLATFORM1, 100 .dev = { 101 .platform_data = iop33x_uart1_data, 102 }, 103 .num_resources = 2, 104 .resource = iop33x_uart1_resources, 105}; 106