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/platform_device.h>
17 #include <linux/serial_8250.h>
18 #include <linux/dma-mapping.h>
19 #include <linux/pgtable.h>
22 #include <asm/jazzdma.h>
23 #include <asm/reboot.h>
24 #include <asm/tlbmisc.h>
26 extern asmlinkage void jazz_handle_int(void);
28 extern void jazz_machine_restart(char *command);
30 static struct resource jazz_io_resources[] = {
35 .flags = IORESOURCE_IO | IORESOURCE_BUSY
40 .flags = IORESOURCE_IO | IORESOURCE_BUSY
44 .name = "dma page reg",
45 .flags = IORESOURCE_IO | IORESOURCE_BUSY
50 .flags = IORESOURCE_IO | IORESOURCE_BUSY
54 void __init plat_mem_setup(void)
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);
65 set_io_port_base(JAZZ_PORT_BASE);
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);
74 /* The RTC is outside the port address space */
76 _machine_restart = jazz_machine_restart;
78 add_preferred_console("ttyS", 0, "9600");
81 #ifdef CONFIG_OLIVETTI_M700
82 #define UART_CLK 1843200
84 /* Some Jazz machines seem to have an 8MHz crystal clock but I don't know
85 exactly which ones ... XXX */
86 #define UART_CLK (8000000 / 16) /* ( 3072000 / 16) */
89 #define MEMPORT(_base, _irq) \
92 .membase = (void *)(_base), \
94 .uartclk = UART_CLK, \
96 .flags = UPF_BOOT_AUTOCONF, \
99 static struct plat_serial8250_port jazz_serial_data[] = {
100 MEMPORT(JAZZ_SERIAL1_BASE, JAZZ_SERIAL1_IRQ),
101 MEMPORT(JAZZ_SERIAL2_BASE, JAZZ_SERIAL2_IRQ),
105 static struct platform_device jazz_serial8250_device = {
106 .name = "serial8250",
107 .id = PLAT8250_DEV_PLATFORM,
109 .platform_data = jazz_serial_data,
113 static struct resource jazz_esp_rsrc[] = {
115 .start = JAZZ_SCSI_BASE,
116 .end = JAZZ_SCSI_BASE + 31,
117 .flags = IORESOURCE_MEM
120 .start = JAZZ_SCSI_DMA,
121 .end = JAZZ_SCSI_DMA,
122 .flags = IORESOURCE_MEM
125 .start = JAZZ_SCSI_IRQ,
126 .end = JAZZ_SCSI_IRQ,
127 .flags = IORESOURCE_IRQ
131 static u64 jazz_esp_dma_mask = DMA_BIT_MASK(32);
133 static struct platform_device jazz_esp_pdev = {
135 .num_resources = ARRAY_SIZE(jazz_esp_rsrc),
136 .resource = jazz_esp_rsrc,
138 .dma_mask = &jazz_esp_dma_mask,
139 .coherent_dma_mask = DMA_BIT_MASK(32),
143 static struct resource jazz_sonic_rsrc[] = {
145 .start = JAZZ_ETHERNET_BASE,
146 .end = JAZZ_ETHERNET_BASE + 0xff,
147 .flags = IORESOURCE_MEM
150 .start = JAZZ_ETHERNET_IRQ,
151 .end = JAZZ_ETHERNET_IRQ,
152 .flags = IORESOURCE_IRQ
156 static u64 jazz_sonic_dma_mask = DMA_BIT_MASK(32);
158 static struct platform_device jazz_sonic_pdev = {
160 .num_resources = ARRAY_SIZE(jazz_sonic_rsrc),
161 .resource = jazz_sonic_rsrc,
163 .dma_mask = &jazz_sonic_dma_mask,
164 .coherent_dma_mask = DMA_BIT_MASK(32),
168 static struct resource jazz_cmos_rsrc[] = {
172 .flags = IORESOURCE_IO
177 .flags = IORESOURCE_IRQ
181 static struct platform_device jazz_cmos_pdev = {
183 .num_resources = ARRAY_SIZE(jazz_cmos_rsrc),
184 .resource = jazz_cmos_rsrc
187 static struct platform_device pcspeaker_pdev = {
192 static int __init jazz_setup_devinit(void)
194 platform_device_register(&jazz_serial8250_device);
195 platform_device_register(&jazz_esp_pdev);
196 platform_device_register(&jazz_sonic_pdev);
197 platform_device_register(&jazz_cmos_pdev);
198 platform_device_register(&pcspeaker_pdev);
203 device_initcall(jazz_setup_devinit);