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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) 2006, 07 MIPS Technologies, Inc.
7 * written by Ralf Baechle (ralf@linux-mips.org)
8 * written by Ralf Baechle <ralf@linux-mips.org>
9 *
10 * Copyright (C) 2008 Wind River Systems, Inc.
11 * updated by Tiejun Chen <tiejun.chen@windriver.com>
12 *
13 * 1. Probe driver for the Malta's UART ports:
14 *
15 * o 2 ports in the SMC SuperIO
16 * o 1 port in the CBUS UART, a discrete 16550 which normally is only used
17 * for bringups.
18 *
19 * We don't use 8250_platform.c on Malta as it would result in the CBUS
20 * UART becoming ttyS0.
21 *
22 * 2. Register RTC-CMOS platform device on Malta.
23 */
24#include <linux/init.h>
25#include <linux/serial_8250.h>
26#include <linux/mc146818rtc.h>
27#include <linux/module.h>
28#include <linux/irq.h>
29#include <linux/mtd/partitions.h>
30#include <linux/mtd/physmap.h>
31#include <linux/platform_device.h>
32#include <mtd/mtd-abi.h>
33
34#define SMC_PORT(base, int) \
35{ \
36 .iobase = base, \
37 .irq = int, \
38 .uartclk = 1843200, \
39 .iotype = UPIO_PORT, \
40 .flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST, \
41 .regshift = 0, \
42}
43
44#define CBUS_UART_FLAGS (UPF_BOOT_AUTOCONF | UPF_SKIP_TEST | UPF_IOREMAP)
45
46static struct plat_serial8250_port uart8250_data[] = {
47 SMC_PORT(0x3F8, 4),
48 SMC_PORT(0x2F8, 3),
49 {
50 .mapbase = 0x1f000900, /* The CBUS UART */
51 .irq = MIPS_CPU_IRQ_BASE + 2,
52 .uartclk = 3686400, /* Twice the usual clk! */
53 .iotype = UPIO_MEM32,
54 .flags = CBUS_UART_FLAGS,
55 .regshift = 3,
56 },
57 { },
58};
59
60static struct platform_device malta_uart8250_device = {
61 .name = "serial8250",
62 .id = PLAT8250_DEV_PLATFORM,
63 .dev = {
64 .platform_data = uart8250_data,
65 },
66};
67
68struct resource malta_rtc_resources[] = {
69 {
70 .start = RTC_PORT(0),
71 .end = RTC_PORT(7),
72 .flags = IORESOURCE_IO,
73 }, {
74 .start = RTC_IRQ,
75 .end = RTC_IRQ,
76 .flags = IORESOURCE_IRQ,
77 }
78};
79
80static struct platform_device malta_rtc_device = {
81 .name = "rtc_cmos",
82 .id = -1,
83 .resource = malta_rtc_resources,
84 .num_resources = ARRAY_SIZE(malta_rtc_resources),
85};
86
87static struct mtd_partition malta_mtd_partitions[] = {
88 {
89 .name = "YAMON",
90 .offset = 0x0,
91 .size = 0x100000,
92 .mask_flags = MTD_WRITEABLE
93 }, {
94 .name = "User FS",
95 .offset = 0x100000,
96 .size = 0x2e0000
97 }, {
98 .name = "Board Config",
99 .offset = 0x3e0000,
100 .size = 0x020000,
101 .mask_flags = MTD_WRITEABLE
102 }
103};
104
105static struct physmap_flash_data malta_flash_data = {
106 .width = 4,
107 .nr_parts = ARRAY_SIZE(malta_mtd_partitions),
108 .parts = malta_mtd_partitions
109};
110
111static struct resource malta_flash_resource = {
112 .start = 0x1e000000,
113 .end = 0x1e3fffff,
114 .flags = IORESOURCE_MEM
115};
116
117static struct platform_device malta_flash_device = {
118 .name = "physmap-flash",
119 .id = 0,
120 .dev = {
121 .platform_data = &malta_flash_data,
122 },
123 .num_resources = 1,
124 .resource = &malta_flash_resource,
125};
126
127static struct platform_device *malta_devices[] __initdata = {
128 &malta_uart8250_device,
129 &malta_rtc_device,
130 &malta_flash_device,
131};
132
133static int __init malta_add_devices(void)
134{
135 int err;
136
137 err = platform_add_devices(malta_devices, ARRAY_SIZE(malta_devices));
138 if (err)
139 return err;
140
141 /*
142 * Set RTC to BCD mode to support current alarm code.
143 */
144 CMOS_WRITE(CMOS_READ(RTC_CONTROL) & ~RTC_DM_BINARY, RTC_CONTROL);
145
146 return 0;
147}
148
149device_initcall(malta_add_devices);
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) 2006, 07 MIPS Technologies, Inc.
7 * written by Ralf Baechle (ralf@linux-mips.org)
8 * written by Ralf Baechle <ralf@linux-mips.org>
9 *
10 * Copyright (C) 2008 Wind River Systems, Inc.
11 * updated by Tiejun Chen <tiejun.chen@windriver.com>
12 *
13 * 1. Probe driver for the Malta's UART ports:
14 *
15 * o 2 ports in the SMC SuperIO
16 * o 1 port in the CBUS UART, a discrete 16550 which normally is only used
17 * for bringups.
18 *
19 * We don't use 8250_platform.c on Malta as it would result in the CBUS
20 * UART becoming ttyS0.
21 *
22 * 2. Register RTC-CMOS platform device on Malta.
23 */
24#include <linux/init.h>
25#include <linux/serial_8250.h>
26#include <linux/irq.h>
27#include <linux/platform_device.h>
28#include <asm/mips-boards/maltaint.h>
29
30#define SMC_PORT(base, int) \
31{ \
32 .iobase = base, \
33 .irq = int, \
34 .uartclk = 1843200, \
35 .iotype = UPIO_PORT, \
36 .flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST, \
37 .regshift = 0, \
38}
39
40#define CBUS_UART_FLAGS (UPF_BOOT_AUTOCONF | UPF_SKIP_TEST | UPF_IOREMAP)
41
42static struct plat_serial8250_port uart8250_data[] = {
43 SMC_PORT(0x3F8, 4),
44 SMC_PORT(0x2F8, 3),
45#ifndef CONFIG_MIPS_CMP
46 {
47 .mapbase = 0x1f000900, /* The CBUS UART */
48 .irq = MIPS_CPU_IRQ_BASE + MIPSCPU_INT_MB2,
49 .uartclk = 3686400, /* Twice the usual clk! */
50 .iotype = UPIO_MEM32,
51 .flags = CBUS_UART_FLAGS,
52 .regshift = 3,
53 },
54#endif
55 { },
56};
57
58static struct platform_device malta_uart8250_device = {
59 .name = "serial8250",
60 .id = PLAT8250_DEV_PLATFORM,
61 .dev = {
62 .platform_data = uart8250_data,
63 },
64};
65
66static struct platform_device *malta_devices[] __initdata = {
67 &malta_uart8250_device,
68};
69
70static int __init malta_add_devices(void)
71{
72 return platform_add_devices(malta_devices, ARRAY_SIZE(malta_devices));
73}
74
75device_initcall(malta_add_devices);