1*4882a593Smuzhiyun // SPDX-License-Identifier: GPL-2.0-only
2*4882a593Smuzhiyun /*
3*4882a593Smuzhiyun * linux/arch/arm/mach-footbridge/isa.c
4*4882a593Smuzhiyun *
5*4882a593Smuzhiyun * Copyright (C) 2004 Russell King.
6*4882a593Smuzhiyun */
7*4882a593Smuzhiyun #include <linux/init.h>
8*4882a593Smuzhiyun #include <linux/serial_8250.h>
9*4882a593Smuzhiyun
10*4882a593Smuzhiyun #include <asm/irq.h>
11*4882a593Smuzhiyun #include <asm/hardware/dec21285.h>
12*4882a593Smuzhiyun
13*4882a593Smuzhiyun #include "common.h"
14*4882a593Smuzhiyun
15*4882a593Smuzhiyun static struct resource rtc_resources[] = {
16*4882a593Smuzhiyun [0] = {
17*4882a593Smuzhiyun .start = 0x70,
18*4882a593Smuzhiyun .end = 0x73,
19*4882a593Smuzhiyun .flags = IORESOURCE_IO,
20*4882a593Smuzhiyun },
21*4882a593Smuzhiyun [1] = {
22*4882a593Smuzhiyun .start = IRQ_ISA_RTC_ALARM,
23*4882a593Smuzhiyun .end = IRQ_ISA_RTC_ALARM,
24*4882a593Smuzhiyun .flags = IORESOURCE_IRQ,
25*4882a593Smuzhiyun }
26*4882a593Smuzhiyun };
27*4882a593Smuzhiyun
28*4882a593Smuzhiyun static struct platform_device rtc_device = {
29*4882a593Smuzhiyun .name = "rtc_cmos",
30*4882a593Smuzhiyun .id = -1,
31*4882a593Smuzhiyun .resource = rtc_resources,
32*4882a593Smuzhiyun .num_resources = ARRAY_SIZE(rtc_resources),
33*4882a593Smuzhiyun };
34*4882a593Smuzhiyun
35*4882a593Smuzhiyun static struct resource serial_resources[] = {
36*4882a593Smuzhiyun [0] = {
37*4882a593Smuzhiyun .start = 0x3f8,
38*4882a593Smuzhiyun .end = 0x3ff,
39*4882a593Smuzhiyun .flags = IORESOURCE_IO,
40*4882a593Smuzhiyun },
41*4882a593Smuzhiyun [1] = {
42*4882a593Smuzhiyun .start = 0x2f8,
43*4882a593Smuzhiyun .end = 0x2ff,
44*4882a593Smuzhiyun .flags = IORESOURCE_IO,
45*4882a593Smuzhiyun },
46*4882a593Smuzhiyun };
47*4882a593Smuzhiyun
48*4882a593Smuzhiyun static struct plat_serial8250_port serial_platform_data[] = {
49*4882a593Smuzhiyun {
50*4882a593Smuzhiyun .iobase = 0x3f8,
51*4882a593Smuzhiyun .irq = IRQ_ISA_UART,
52*4882a593Smuzhiyun .uartclk = 1843200,
53*4882a593Smuzhiyun .regshift = 0,
54*4882a593Smuzhiyun .iotype = UPIO_PORT,
55*4882a593Smuzhiyun .flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST,
56*4882a593Smuzhiyun },
57*4882a593Smuzhiyun {
58*4882a593Smuzhiyun .iobase = 0x2f8,
59*4882a593Smuzhiyun .irq = IRQ_ISA_UART2,
60*4882a593Smuzhiyun .uartclk = 1843200,
61*4882a593Smuzhiyun .regshift = 0,
62*4882a593Smuzhiyun .iotype = UPIO_PORT,
63*4882a593Smuzhiyun .flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST,
64*4882a593Smuzhiyun },
65*4882a593Smuzhiyun { },
66*4882a593Smuzhiyun };
67*4882a593Smuzhiyun
68*4882a593Smuzhiyun static struct platform_device serial_device = {
69*4882a593Smuzhiyun .name = "serial8250",
70*4882a593Smuzhiyun .id = PLAT8250_DEV_PLATFORM,
71*4882a593Smuzhiyun .dev = {
72*4882a593Smuzhiyun .platform_data = serial_platform_data,
73*4882a593Smuzhiyun },
74*4882a593Smuzhiyun .resource = serial_resources,
75*4882a593Smuzhiyun .num_resources = ARRAY_SIZE(serial_resources),
76*4882a593Smuzhiyun };
77*4882a593Smuzhiyun
footbridge_isa_init(void)78*4882a593Smuzhiyun static int __init footbridge_isa_init(void)
79*4882a593Smuzhiyun {
80*4882a593Smuzhiyun int err = 0;
81*4882a593Smuzhiyun
82*4882a593Smuzhiyun if (!footbridge_cfn_mode())
83*4882a593Smuzhiyun return 0;
84*4882a593Smuzhiyun
85*4882a593Smuzhiyun /* Personal server doesn't have RTC */
86*4882a593Smuzhiyun if (!machine_is_personal_server()) {
87*4882a593Smuzhiyun isa_rtc_init();
88*4882a593Smuzhiyun err = platform_device_register(&rtc_device);
89*4882a593Smuzhiyun if (err)
90*4882a593Smuzhiyun printk(KERN_ERR "Unable to register RTC device: %d\n", err);
91*4882a593Smuzhiyun }
92*4882a593Smuzhiyun err = platform_device_register(&serial_device);
93*4882a593Smuzhiyun if (err)
94*4882a593Smuzhiyun printk(KERN_ERR "Unable to register serial device: %d\n", err);
95*4882a593Smuzhiyun return 0;
96*4882a593Smuzhiyun }
97*4882a593Smuzhiyun
98*4882a593Smuzhiyun arch_initcall(footbridge_isa_init);
99