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/hdreg.h>
14 #include <linux/init.h>
15 #include <linux/ioport.h>
16 #include <linux/sched.h>
17 #include <linux/interrupt.h>
19 #include <linux/console.h>
21 #include <linux/ide.h>
23 #include <linux/screen_info.h>
24 #include <linux/platform_device.h>
25 #include <linux/serial_8250.h>
27 #include <asm/bootinfo.h>
30 #include <asm/jazzdma.h>
31 #include <asm/reboot.h>
33 #include <asm/pgtable.h>
35 #include <asm/traps.h>
36 #include <asm/mc146818-time.h>
38 extern asmlinkage void jazz_handle_int(void);
40 extern void jazz_machine_restart(char *command);
42 static struct resource jazz_io_resources[] = {
47 .flags = IORESOURCE_BUSY
52 .flags = IORESOURCE_BUSY
56 .name = "dma page reg",
57 .flags = IORESOURCE_BUSY
62 .flags = IORESOURCE_BUSY
66 void __init plat_mem_setup(void)
70 /* Map 0xe0000000 -> 0x0:800005C0, 0xe0010000 -> 0x1:30000580 */
71 add_wired_entry(0x02000017, 0x03c00017, 0xe0000000, PM_64K);
72 /* Map 0xe2000000 -> 0x0:900005C0, 0xe3010000 -> 0x0:910005C0 */
73 add_wired_entry(0x02400017, 0x02440017, 0xe2000000, PM_16M);
74 /* Map 0xe4000000 -> 0x0:600005C0, 0xe4100000 -> 400005C0 */
75 add_wired_entry(0x01800017, 0x01000017, 0xe4000000, PM_4M);
77 set_io_port_base(JAZZ_PORT_BASE);
79 if (mips_machtype == MACH_MIPS_MAGNUM_4000)
83 /* request I/O space for devices used on all i[345]86 PCs */
84 for (i = 0; i < ARRAY_SIZE(jazz_io_resources); i++)
85 request_resource(&ioport_resource, jazz_io_resources + i);
87 /* The RTC is outside the port address space */
89 _machine_restart = jazz_machine_restart;
92 screen_info = (struct screen_info) {
93 0, 0, /* orig-x, orig-y */
95 0, /* orig_video_page */
96 0, /* orig_video_mode */
97 160, /* orig_video_cols */
98 0, 0, 0, /* unused, ega_bx, unused */
99 64, /* orig_video_lines */
100 0, /* orig_video_isVGA */
101 16 /* orig_video_points */
105 add_preferred_console("ttyS", 0, "9600");
108 #ifdef CONFIG_OLIVETTI_M700
109 #define UART_CLK 1843200
111 /* Some Jazz machines seem to have an 8MHz crystal clock but I don't know
112 exactly which ones ... XXX */
113 #define UART_CLK (8000000 / 16) /* ( 3072000 / 16) */
116 #define MEMPORT(_base, _irq) \
118 .mapbase = (_base), \
119 .membase = (void *)(_base), \
121 .uartclk = UART_CLK, \
122 .iotype = UPIO_MEM, \
123 .flags = UPF_BOOT_AUTOCONF, \
126 static struct plat_serial8250_port jazz_serial_data[] = {
127 MEMPORT(JAZZ_SERIAL1_BASE, JAZZ_SERIAL1_IRQ),
128 MEMPORT(JAZZ_SERIAL2_BASE, JAZZ_SERIAL2_IRQ),
132 static struct platform_device jazz_serial8250_device = {
133 .name = "serial8250",
134 .id = PLAT8250_DEV_PLATFORM,
136 .platform_data = jazz_serial_data,
140 static struct resource jazz_esp_rsrc[] = {
142 .start = JAZZ_SCSI_BASE,
143 .end = JAZZ_SCSI_BASE + 31,
144 .flags = IORESOURCE_MEM
147 .start = JAZZ_SCSI_DMA,
148 .end = JAZZ_SCSI_DMA,
149 .flags = IORESOURCE_MEM
152 .start = JAZZ_SCSI_IRQ,
153 .end = JAZZ_SCSI_IRQ,
154 .flags = IORESOURCE_IRQ
158 static struct platform_device jazz_esp_pdev = {
160 .num_resources = ARRAY_SIZE(jazz_esp_rsrc),
161 .resource = jazz_esp_rsrc
164 static struct resource jazz_sonic_rsrc[] = {
166 .start = JAZZ_ETHERNET_BASE,
167 .end = JAZZ_ETHERNET_BASE + 0xff,
168 .flags = IORESOURCE_MEM
171 .start = JAZZ_ETHERNET_IRQ,
172 .end = JAZZ_ETHERNET_IRQ,
173 .flags = IORESOURCE_IRQ
177 static struct platform_device jazz_sonic_pdev = {
179 .num_resources = ARRAY_SIZE(jazz_sonic_rsrc),
180 .resource = jazz_sonic_rsrc
183 static struct resource jazz_cmos_rsrc[] = {
187 .flags = IORESOURCE_IO
192 .flags = IORESOURCE_IRQ
196 static struct platform_device jazz_cmos_pdev = {
198 .num_resources = ARRAY_SIZE(jazz_cmos_rsrc),
199 .resource = jazz_cmos_rsrc
202 static struct platform_device pcspeaker_pdev = {
207 static int __init jazz_setup_devinit(void)
209 platform_device_register(&jazz_serial8250_device);
210 platform_device_register(&jazz_esp_pdev);
211 platform_device_register(&jazz_sonic_pdev);
212 platform_device_register(&jazz_cmos_pdev);
213 platform_device_register(&pcspeaker_pdev);
218 device_initcall(jazz_setup_devinit);