1/*
2 * Setup pointers to hardware-dependent routines.
3 *
4 * This file is subject to the terms and conditions of the GNU General Public
5 * License.  See the file "COPYING" in the main directory of this archive
6 * for more details.
7 *
8 * Copyright (C) 1996, 1997, 1998, 2001, 07, 08 by Ralf Baechle
9 * Copyright (C) 2001 MIPS Technologies, Inc.
10 * Copyright (C) 2007 by Thomas Bogendoerfer
11 */
12#include <linux/eisa.h>
13#include <linux/init.h>
14#include <linux/ioport.h>
15#include <linux/console.h>
16#include <linux/screen_info.h>
17#include <linux/platform_device.h>
18#include <linux/serial_8250.h>
19
20#include <asm/jazz.h>
21#include <asm/jazzdma.h>
22#include <asm/reboot.h>
23#include <asm/pgtable.h>
24#include <asm/tlbmisc.h>
25
26extern asmlinkage void jazz_handle_int(void);
27
28extern void jazz_machine_restart(char *command);
29
30static struct resource jazz_io_resources[] = {
31	{
32		.start	= 0x00,
33		.end	= 0x1f,
34		.name	= "dma1",
35		.flags	= IORESOURCE_BUSY
36	}, {
37		.start	= 0x40,
38		.end	= 0x5f,
39		.name	= "timer",
40		.flags	= IORESOURCE_BUSY
41	}, {
42		.start	= 0x80,
43		.end	= 0x8f,
44		.name	= "dma page reg",
45		.flags	= IORESOURCE_BUSY
46	}, {
47		.start	= 0xc0,
48		.end	= 0xdf,
49		.name	= "dma2",
50		.flags	= IORESOURCE_BUSY
51	}
52};
53
54void __init plat_mem_setup(void)
55{
56	int i;
57
58	/* Map 0xe0000000 -> 0x0:800005C0, 0xe0010000 -> 0x1:30000580 */
59	add_wired_entry(0x02000017, 0x03c00017, 0xe0000000, PM_64K);
60	/* Map 0xe2000000 -> 0x0:900005C0, 0xe3010000 -> 0x0:910005C0 */
61	add_wired_entry(0x02400017, 0x02440017, 0xe2000000, PM_16M);
62	/* Map 0xe4000000 -> 0x0:600005C0, 0xe4100000 -> 400005C0 */
63	add_wired_entry(0x01800017, 0x01000017, 0xe4000000, PM_4M);
64
65	set_io_port_base(JAZZ_PORT_BASE);
66#ifdef CONFIG_EISA
67	EISA_bus = 1;
68#endif
69
70	/* request I/O space for devices used on all i[345]86 PCs */
71	for (i = 0; i < ARRAY_SIZE(jazz_io_resources); i++)
72		request_resource(&ioport_resource, jazz_io_resources + i);
73
74	/* The RTC is outside the port address space */
75
76	_machine_restart = jazz_machine_restart;
77
78#ifdef CONFIG_VT
79	screen_info = (struct screen_info) {
80		.orig_video_cols	= 160,
81		.orig_video_lines	= 64,
82		.orig_video_points	= 16,
83	};
84#endif
85
86	add_preferred_console("ttyS", 0, "9600");
87}
88
89#ifdef CONFIG_OLIVETTI_M700
90#define UART_CLK  1843200
91#else
92/* Some Jazz machines seem to have an 8MHz crystal clock but I don't know
93   exactly which ones ... XXX */
94#define UART_CLK (8000000 / 16) /* ( 3072000 / 16) */
95#endif
96
97#define MEMPORT(_base, _irq)				\
98	{						\
99		.mapbase	= (_base),		\
100		.membase	= (void *)(_base),	\
101		.irq		= (_irq),		\
102		.uartclk	= UART_CLK,		\
103		.iotype		= UPIO_MEM,		\
104		.flags		= UPF_BOOT_AUTOCONF,	\
105	}
106
107static struct plat_serial8250_port jazz_serial_data[] = {
108	MEMPORT(JAZZ_SERIAL1_BASE, JAZZ_SERIAL1_IRQ),
109	MEMPORT(JAZZ_SERIAL2_BASE, JAZZ_SERIAL2_IRQ),
110	{ },
111};
112
113static struct platform_device jazz_serial8250_device = {
114	.name			= "serial8250",
115	.id			= PLAT8250_DEV_PLATFORM,
116	.dev			= {
117		.platform_data	= jazz_serial_data,
118	},
119};
120
121static struct resource jazz_esp_rsrc[] = {
122	{
123		.start = JAZZ_SCSI_BASE,
124		.end   = JAZZ_SCSI_BASE + 31,
125		.flags = IORESOURCE_MEM
126	},
127	{
128		.start = JAZZ_SCSI_DMA,
129		.end   = JAZZ_SCSI_DMA,
130		.flags = IORESOURCE_MEM
131	},
132	{
133		.start = JAZZ_SCSI_IRQ,
134		.end   = JAZZ_SCSI_IRQ,
135		.flags = IORESOURCE_IRQ
136	}
137};
138
139static struct platform_device jazz_esp_pdev = {
140	.name		= "jazz_esp",
141	.num_resources	= ARRAY_SIZE(jazz_esp_rsrc),
142	.resource	= jazz_esp_rsrc
143};
144
145static struct resource jazz_sonic_rsrc[] = {
146	{
147		.start = JAZZ_ETHERNET_BASE,
148		.end   = JAZZ_ETHERNET_BASE + 0xff,
149		.flags = IORESOURCE_MEM
150	},
151	{
152		.start = JAZZ_ETHERNET_IRQ,
153		.end   = JAZZ_ETHERNET_IRQ,
154		.flags = IORESOURCE_IRQ
155	}
156};
157
158static struct platform_device jazz_sonic_pdev = {
159	.name		= "jazzsonic",
160	.num_resources	= ARRAY_SIZE(jazz_sonic_rsrc),
161	.resource	= jazz_sonic_rsrc
162};
163
164static struct resource jazz_cmos_rsrc[] = {
165	{
166		.start = 0x70,
167		.end   = 0x71,
168		.flags = IORESOURCE_IO
169	},
170	{
171		.start = 8,
172		.end   = 8,
173		.flags = IORESOURCE_IRQ
174	}
175};
176
177static struct platform_device jazz_cmos_pdev = {
178	.name		= "rtc_cmos",
179	.num_resources	= ARRAY_SIZE(jazz_cmos_rsrc),
180	.resource	= jazz_cmos_rsrc
181};
182
183static struct platform_device pcspeaker_pdev = {
184	.name		= "pcspkr",
185	.id		= -1,
186};
187
188static int __init jazz_setup_devinit(void)
189{
190	platform_device_register(&jazz_serial8250_device);
191	platform_device_register(&jazz_esp_pdev);
192	platform_device_register(&jazz_sonic_pdev);
193	platform_device_register(&jazz_cmos_pdev);
194	platform_device_register(&pcspeaker_pdev);
195
196	return 0;
197}
198
199device_initcall(jazz_setup_devinit);
200