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 <linux/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/memory.h> 26#include <mach/hardware.h> 27#include <asm/hardware/iop3xx.h> 28#include <asm/mach/arch.h> 29 30#define IOP33X_UART_XTAL 33334000 31 32static struct plat_serial8250_port iop33x_uart0_data[] = { 33 { 34 .membase = (char *)IOP33X_UART0_VIRT, 35 .mapbase = IOP33X_UART0_PHYS, 36 .irq = IRQ_IOP33X_UART0, 37 .uartclk = IOP33X_UART_XTAL, 38 .regshift = 2, 39 .iotype = UPIO_MEM, 40 .flags = UPF_SKIP_TEST, 41 }, 42 { }, 43}; 44 45static struct resource iop33x_uart0_resources[] = { 46 [0] = { 47 .start = IOP33X_UART0_PHYS, 48 .end = IOP33X_UART0_PHYS + 0x3f, 49 .flags = IORESOURCE_MEM, 50 }, 51 [1] = { 52 .start = IRQ_IOP33X_UART0, 53 .end = IRQ_IOP33X_UART0, 54 .flags = IORESOURCE_IRQ, 55 }, 56}; 57 58struct platform_device iop33x_uart0_device = { 59 .name = "serial8250", 60 .id = PLAT8250_DEV_PLATFORM, 61 .dev = { 62 .platform_data = iop33x_uart0_data, 63 }, 64 .num_resources = 2, 65 .resource = iop33x_uart0_resources, 66}; 67 68 69static struct resource iop33x_uart1_resources[] = { 70 [0] = { 71 .start = IOP33X_UART1_PHYS, 72 .end = IOP33X_UART1_PHYS + 0x3f, 73 .flags = IORESOURCE_MEM, 74 }, 75 [1] = { 76 .start = IRQ_IOP33X_UART1, 77 .end = IRQ_IOP33X_UART1, 78 .flags = IORESOURCE_IRQ, 79 }, 80}; 81 82static struct plat_serial8250_port iop33x_uart1_data[] = { 83 { 84 .membase = (char *)IOP33X_UART1_VIRT, 85 .mapbase = IOP33X_UART1_PHYS, 86 .irq = IRQ_IOP33X_UART1, 87 .uartclk = IOP33X_UART_XTAL, 88 .regshift = 2, 89 .iotype = UPIO_MEM, 90 .flags = UPF_SKIP_TEST, 91 }, 92 { }, 93}; 94 95struct platform_device iop33x_uart1_device = { 96 .name = "serial8250", 97 .id = PLAT8250_DEV_PLATFORM1, 98 .dev = { 99 .platform_data = iop33x_uart1_data, 100 }, 101 .num_resources = 2, 102 .resource = iop33x_uart1_resources, 103}; 104