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, 08 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/console.h>
16 #include <linux/screen_info.h>
17 #include <linux/platform_device.h>
18 #include <linux/serial_8250.h>
21 #include <asm/jazzdma.h>
22 #include <asm/reboot.h>
23 #include <asm/pgtable.h>
25 extern asmlinkage void jazz_handle_int(void);
27 extern void jazz_machine_restart(char *command);
29 static struct resource jazz_io_resources[] = {
34 .flags = IORESOURCE_BUSY
39 .flags = IORESOURCE_BUSY
43 .name = "dma page reg",
44 .flags = IORESOURCE_BUSY
49 .flags = IORESOURCE_BUSY
53 void __init plat_mem_setup(void)
57 /* Map 0xe0000000 -> 0x0:800005C0, 0xe0010000 -> 0x1:30000580 */
58 add_wired_entry(0x02000017, 0x03c00017, 0xe0000000, PM_64K);
59 /* Map 0xe2000000 -> 0x0:900005C0, 0xe3010000 -> 0x0:910005C0 */
60 add_wired_entry(0x02400017, 0x02440017, 0xe2000000, PM_16M);
61 /* Map 0xe4000000 -> 0x0:600005C0, 0xe4100000 -> 400005C0 */
62 add_wired_entry(0x01800017, 0x01000017, 0xe4000000, PM_4M);
64 set_io_port_base(JAZZ_PORT_BASE);
69 /* request I/O space for devices used on all i[345]86 PCs */
70 for (i = 0; i < ARRAY_SIZE(jazz_io_resources); i++)
71 request_resource(&ioport_resource, jazz_io_resources + i);
73 /* The RTC is outside the port address space */
75 _machine_restart = jazz_machine_restart;
78 screen_info = (struct screen_info) {
79 .orig_video_cols = 160,
80 .orig_video_lines = 64,
81 .orig_video_points = 16,
85 add_preferred_console("ttyS", 0, "9600");
88 #ifdef CONFIG_OLIVETTI_M700
89 #define UART_CLK 1843200
91 /* Some Jazz machines seem to have an 8MHz crystal clock but I don't know
92 exactly which ones ... XXX */
93 #define UART_CLK (8000000 / 16) /* ( 3072000 / 16) */
96 #define MEMPORT(_base, _irq) \
99 .membase = (void *)(_base), \
101 .uartclk = UART_CLK, \
102 .iotype = UPIO_MEM, \
103 .flags = UPF_BOOT_AUTOCONF, \
106 static struct plat_serial8250_port jazz_serial_data[] = {
107 MEMPORT(JAZZ_SERIAL1_BASE, JAZZ_SERIAL1_IRQ),
108 MEMPORT(JAZZ_SERIAL2_BASE, JAZZ_SERIAL2_IRQ),
112 static struct platform_device jazz_serial8250_device = {
113 .name = "serial8250",
114 .id = PLAT8250_DEV_PLATFORM,
116 .platform_data = jazz_serial_data,
120 static struct resource jazz_esp_rsrc[] = {
122 .start = JAZZ_SCSI_BASE,
123 .end = JAZZ_SCSI_BASE + 31,
124 .flags = IORESOURCE_MEM
127 .start = JAZZ_SCSI_DMA,
128 .end = JAZZ_SCSI_DMA,
129 .flags = IORESOURCE_MEM
132 .start = JAZZ_SCSI_IRQ,
133 .end = JAZZ_SCSI_IRQ,
134 .flags = IORESOURCE_IRQ
138 static struct platform_device jazz_esp_pdev = {
140 .num_resources = ARRAY_SIZE(jazz_esp_rsrc),
141 .resource = jazz_esp_rsrc
144 static struct resource jazz_sonic_rsrc[] = {
146 .start = JAZZ_ETHERNET_BASE,
147 .end = JAZZ_ETHERNET_BASE + 0xff,
148 .flags = IORESOURCE_MEM
151 .start = JAZZ_ETHERNET_IRQ,
152 .end = JAZZ_ETHERNET_IRQ,
153 .flags = IORESOURCE_IRQ
157 static struct platform_device jazz_sonic_pdev = {
159 .num_resources = ARRAY_SIZE(jazz_sonic_rsrc),
160 .resource = jazz_sonic_rsrc
163 static struct resource jazz_cmos_rsrc[] = {
167 .flags = IORESOURCE_IO
172 .flags = IORESOURCE_IRQ
176 static struct platform_device jazz_cmos_pdev = {
178 .num_resources = ARRAY_SIZE(jazz_cmos_rsrc),
179 .resource = jazz_cmos_rsrc
182 static struct platform_device pcspeaker_pdev = {
187 static int __init jazz_setup_devinit(void)
189 platform_device_register(&jazz_serial8250_device);
190 platform_device_register(&jazz_esp_pdev);
191 platform_device_register(&jazz_sonic_pdev);
192 platform_device_register(&jazz_cmos_pdev);
193 platform_device_register(&pcspeaker_pdev);
198 device_initcall(jazz_setup_devinit);