2 * Setup pointers to hardware-dependent routines.
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
8 * Copyright (C) 1996, 1997, 1998, 2001, 07 by Ralf Baechle
9 * Copyright (C) 2001 MIPS Technologies, Inc.
10 * Copyright (C) 2007 by Thomas Bogendoerfer
12 #include <linux/eisa.h>
13 #include <linux/init.h>
14 #include <linux/ioport.h>
15 #include <linux/sched.h>
16 #include <linux/interrupt.h>
18 #include <linux/console.h>
20 #include <linux/ide.h>
22 #include <linux/screen_info.h>
23 #include <linux/platform_device.h>
24 #include <linux/serial_8250.h>
26 #include <asm/bootinfo.h>
29 #include <asm/jazzdma.h>
30 #include <asm/reboot.h>
32 #include <asm/pgtable.h>
34 #include <asm/traps.h>
35 #include <asm/mc146818-time.h>
37 extern asmlinkage void jazz_handle_int(void);
39 extern void jazz_machine_restart(char *command);
41 static struct resource jazz_io_resources[] = {
46 .flags = IORESOURCE_BUSY
51 .flags = IORESOURCE_BUSY
55 .name = "dma page reg",
56 .flags = IORESOURCE_BUSY
61 .flags = IORESOURCE_BUSY
65 void __init plat_mem_setup(void)
69 /* Map 0xe0000000 -> 0x0:800005C0, 0xe0010000 -> 0x1:30000580 */
70 add_wired_entry(0x02000017, 0x03c00017, 0xe0000000, PM_64K);
71 /* Map 0xe2000000 -> 0x0:900005C0, 0xe3010000 -> 0x0:910005C0 */
72 add_wired_entry(0x02400017, 0x02440017, 0xe2000000, PM_16M);
73 /* Map 0xe4000000 -> 0x0:600005C0, 0xe4100000 -> 400005C0 */
74 add_wired_entry(0x01800017, 0x01000017, 0xe4000000, PM_4M);
76 set_io_port_base(JAZZ_PORT_BASE);
81 /* request I/O space for devices used on all i[345]86 PCs */
82 for (i = 0; i < ARRAY_SIZE(jazz_io_resources); i++)
83 request_resource(&ioport_resource, jazz_io_resources + i);
85 /* The RTC is outside the port address space */
87 _machine_restart = jazz_machine_restart;
90 screen_info = (struct screen_info) {
91 0, 0, /* orig-x, orig-y */
93 0, /* orig_video_page */
94 0, /* orig_video_mode */
95 160, /* orig_video_cols */
96 0, 0, 0, /* unused, ega_bx, unused */
97 64, /* orig_video_lines */
98 0, /* orig_video_isVGA */
99 16 /* orig_video_points */
103 add_preferred_console("ttyS", 0, "9600");
106 #ifdef CONFIG_OLIVETTI_M700
107 #define UART_CLK 1843200
109 /* Some Jazz machines seem to have an 8MHz crystal clock but I don't know
110 exactly which ones ... XXX */
111 #define UART_CLK (8000000 / 16) /* ( 3072000 / 16) */
114 #define MEMPORT(_base, _irq) \
116 .mapbase = (_base), \
117 .membase = (void *)(_base), \
119 .uartclk = UART_CLK, \
120 .iotype = UPIO_MEM, \
121 .flags = UPF_BOOT_AUTOCONF, \
124 static struct plat_serial8250_port jazz_serial_data[] = {
125 MEMPORT(JAZZ_SERIAL1_BASE, JAZZ_SERIAL1_IRQ),
126 MEMPORT(JAZZ_SERIAL2_BASE, JAZZ_SERIAL2_IRQ),
130 static struct platform_device jazz_serial8250_device = {
131 .name = "serial8250",
132 .id = PLAT8250_DEV_PLATFORM,
134 .platform_data = jazz_serial_data,
138 static struct resource jazz_esp_rsrc[] = {
140 .start = JAZZ_SCSI_BASE,
141 .end = JAZZ_SCSI_BASE + 31,
142 .flags = IORESOURCE_MEM
145 .start = JAZZ_SCSI_DMA,
146 .end = JAZZ_SCSI_DMA,
147 .flags = IORESOURCE_MEM
150 .start = JAZZ_SCSI_IRQ,
151 .end = JAZZ_SCSI_IRQ,
152 .flags = IORESOURCE_IRQ
156 static struct platform_device jazz_esp_pdev = {
158 .num_resources = ARRAY_SIZE(jazz_esp_rsrc),
159 .resource = jazz_esp_rsrc
162 static struct resource jazz_sonic_rsrc[] = {
164 .start = JAZZ_ETHERNET_BASE,
165 .end = JAZZ_ETHERNET_BASE + 0xff,
166 .flags = IORESOURCE_MEM
169 .start = JAZZ_ETHERNET_IRQ,
170 .end = JAZZ_ETHERNET_IRQ,
171 .flags = IORESOURCE_IRQ
175 static struct platform_device jazz_sonic_pdev = {
177 .num_resources = ARRAY_SIZE(jazz_sonic_rsrc),
178 .resource = jazz_sonic_rsrc
181 static struct resource jazz_cmos_rsrc[] = {
185 .flags = IORESOURCE_IO
190 .flags = IORESOURCE_IRQ
194 static struct platform_device jazz_cmos_pdev = {
196 .num_resources = ARRAY_SIZE(jazz_cmos_rsrc),
197 .resource = jazz_cmos_rsrc
200 static struct platform_device pcspeaker_pdev = {
205 static int __init jazz_setup_devinit(void)
207 platform_device_register(&jazz_serial8250_device);
208 platform_device_register(&jazz_esp_pdev);
209 platform_device_register(&jazz_sonic_pdev);
210 platform_device_register(&jazz_cmos_pdev);
211 platform_device_register(&pcspeaker_pdev);
216 device_initcall(jazz_setup_devinit);