1 /* 2 * This file is subject to the terms and conditions of the GNU General Public 3 * License. See the file "COPYING" in the main directory of this archive 4 * for more details. 5 * 6 * Copyright (C) 2007 Ralf Baechle (ralf@linux-mips.org) 7 */ 8 #include <linux/module.h> 9 #include <linux/init.h> 10 #include <linux/platform_device.h> 11 #include <linux/serial_8250.h> 12 13 #include <asm/ip32/mace.h> 14 #include <asm/ip32/ip32_ints.h> 15 16 #define MACEISA_SERIAL1_OFFS offsetof(struct sgi_mace, isa.serial1) 17 #define MACEISA_SERIAL2_OFFS offsetof(struct sgi_mace, isa.serial2) 18 19 #define MACE_PORT(offset,_irq) \ 20 { \ 21 .mapbase = MACE_BASE + offset, \ 22 .irq = _irq, \ 23 .uartclk = 1843200, \ 24 .iotype = UPIO_MEM, \ 25 .flags = UPF_SKIP_TEST|UPF_IOREMAP, \ 26 .regshift = 8, \ 27 } 28 29 static struct plat_serial8250_port uart8250_data[] = { 30 MACE_PORT(MACEISA_SERIAL1_OFFS, MACEISA_SERIAL1_IRQ), 31 MACE_PORT(MACEISA_SERIAL2_OFFS, MACEISA_SERIAL2_IRQ), 32 { }, 33 }; 34 35 static struct platform_device uart8250_device = { 36 .name = "serial8250", 37 .id = PLAT8250_DEV_PLATFORM, 38 .dev = { 39 .platform_data = uart8250_data, 40 }, 41 }; 42 43 static int __init uart8250_init(void) 44 { 45 return platform_device_register(&uart8250_device); 46 } 47 48 device_initcall(uart8250_init); 49 50 static __init int meth_devinit(void) 51 { 52 struct platform_device *pd; 53 int ret; 54 55 pd = platform_device_alloc("meth", -1); 56 if (!pd) 57 return -ENOMEM; 58 59 ret = platform_device_add(pd); 60 if (ret) 61 platform_device_put(pd); 62 63 return ret; 64 } 65 66 device_initcall(meth_devinit); 67 68 static __init int sgio2audio_devinit(void) 69 { 70 struct platform_device *pd; 71 int ret; 72 73 pd = platform_device_alloc("sgio2audio", -1); 74 if (!pd) 75 return -ENOMEM; 76 77 ret = platform_device_add(pd); 78 if (ret) 79 platform_device_put(pd); 80 81 return ret; 82 } 83 84 device_initcall(sgio2audio_devinit); 85 86 static __init int sgio2btns_devinit(void) 87 { 88 return IS_ERR(platform_device_register_simple("sgibtns", -1, NULL, 0)); 89 } 90 91 device_initcall(sgio2btns_devinit); 92 93 static struct resource sgio2_cmos_rsrc[] = { 94 { 95 .start = 0x70, 96 .end = 0x71, 97 .flags = IORESOURCE_IO 98 } 99 }; 100 101 static __init int sgio2_cmos_devinit(void) 102 { 103 return IS_ERR(platform_device_register_simple("rtc_cmos", -1, 104 sgio2_cmos_rsrc, 1)); 105 } 106 107 device_initcall(sgio2_cmos_devinit); 108 109 MODULE_AUTHOR("Ralf Baechle <ralf@linux-mips.org>"); 110 MODULE_LICENSE("GPL"); 111 MODULE_DESCRIPTION("8250 UART probe driver for SGI IP32 aka O2"); 112