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/system.h> 26 #include <asm/memory.h> 27 #include <mach/hardware.h> 28 #include <asm/hardware/iop3xx.h> 29 #include <asm/mach/arch.h> 30 31 #define IOP33X_UART_XTAL 33334000 32 33 static struct plat_serial8250_port iop33x_uart0_data[] = { 34 { 35 .membase = (char *)IOP33X_UART0_VIRT, 36 .mapbase = IOP33X_UART0_PHYS, 37 .irq = IRQ_IOP33X_UART0, 38 .uartclk = IOP33X_UART_XTAL, 39 .regshift = 2, 40 .iotype = UPIO_MEM, 41 .flags = UPF_SKIP_TEST, 42 }, 43 { }, 44 }; 45 46 static struct resource iop33x_uart0_resources[] = { 47 [0] = { 48 .start = IOP33X_UART0_PHYS, 49 .end = IOP33X_UART0_PHYS + 0x3f, 50 .flags = IORESOURCE_MEM, 51 }, 52 [1] = { 53 .start = IRQ_IOP33X_UART0, 54 .end = IRQ_IOP33X_UART0, 55 .flags = IORESOURCE_IRQ, 56 }, 57 }; 58 59 struct platform_device iop33x_uart0_device = { 60 .name = "serial8250", 61 .id = PLAT8250_DEV_PLATFORM, 62 .dev = { 63 .platform_data = iop33x_uart0_data, 64 }, 65 .num_resources = 2, 66 .resource = iop33x_uart0_resources, 67 }; 68 69 70 static struct resource iop33x_uart1_resources[] = { 71 [0] = { 72 .start = IOP33X_UART1_PHYS, 73 .end = IOP33X_UART1_PHYS + 0x3f, 74 .flags = IORESOURCE_MEM, 75 }, 76 [1] = { 77 .start = IRQ_IOP33X_UART1, 78 .end = IRQ_IOP33X_UART1, 79 .flags = IORESOURCE_IRQ, 80 }, 81 }; 82 83 static struct plat_serial8250_port iop33x_uart1_data[] = { 84 { 85 .membase = (char *)IOP33X_UART1_VIRT, 86 .mapbase = IOP33X_UART1_PHYS, 87 .irq = IRQ_IOP33X_UART1, 88 .uartclk = IOP33X_UART_XTAL, 89 .regshift = 2, 90 .iotype = UPIO_MEM, 91 .flags = UPF_SKIP_TEST, 92 }, 93 { }, 94 }; 95 96 struct platform_device iop33x_uart1_device = { 97 .name = "serial8250", 98 .id = PLAT8250_DEV_PLATFORM1, 99 .dev = { 100 .platform_data = iop33x_uart1_data, 101 }, 102 .num_resources = 2, 103 .resource = iop33x_uart1_resources, 104 }; 105