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/*
* Setup pointers to hardware-dependent routines.
*
* This file is subject to the terms and conditions of the GNU General Public
* License. See the file "COPYING" in the main directory of this archive
* for more details.
*
* Copyright (C) 1996, 1997, 1998, 2001, 07, 08 by Ralf Baechle
* Copyright (C) 2001 MIPS Technologies, Inc.
* Copyright (C) 2007 by Thomas Bogendoerfer
*/
#include <linux/eisa.h>
#include <linux/init.h>
#include <linux/ioport.h>
#include <linux/console.h>
#include <linux/screen_info.h>
#include <linux/platform_device.h>
#include <linux/serial_8250.h>
#include <asm/jazz.h>
#include <asm/jazzdma.h>
#include <asm/reboot.h>
#include <asm/pgtable.h>
extern asmlinkage void jazz_handle_int(void);
extern void jazz_machine_restart(char *command);
static struct resource jazz_io_resources[] = {
{
.start = 0x00,
.end = 0x1f,
.name = "dma1",
.flags = IORESOURCE_BUSY
}, {
.start = 0x40,
.end = 0x5f,
.name = "timer",
.flags = IORESOURCE_BUSY
}, {
.start = 0x80,
.end = 0x8f,
.name = "dma page reg",
.flags = IORESOURCE_BUSY
}, {
.start = 0xc0,
.end = 0xdf,
.name = "dma2",
.flags = IORESOURCE_BUSY
}
};
void __init plat_mem_setup(void)
{
int i;
/* Map 0xe0000000 -> 0x0:800005C0, 0xe0010000 -> 0x1:30000580 */
add_wired_entry(0x02000017, 0x03c00017, 0xe0000000, PM_64K);
/* Map 0xe2000000 -> 0x0:900005C0, 0xe3010000 -> 0x0:910005C0 */
add_wired_entry(0x02400017, 0x02440017, 0xe2000000, PM_16M);
/* Map 0xe4000000 -> 0x0:600005C0, 0xe4100000 -> 400005C0 */
add_wired_entry(0x01800017, 0x01000017, 0xe4000000, PM_4M);
set_io_port_base(JAZZ_PORT_BASE);
#ifdef CONFIG_EISA
EISA_bus = 1;
#endif
/* request I/O space for devices used on all i[345]86 PCs */
for (i = 0; i < ARRAY_SIZE(jazz_io_resources); i++)
request_resource(&ioport_resource, jazz_io_resources + i);
/* The RTC is outside the port address space */
_machine_restart = jazz_machine_restart;
#ifdef CONFIG_VT
screen_info = (struct screen_info) {
.orig_video_cols = 160,
.orig_video_lines = 64,
.orig_video_points = 16,
};
#endif
add_preferred_console("ttyS", 0, "9600");
}
#ifdef CONFIG_OLIVETTI_M700
#define UART_CLK 1843200
#else
/* Some Jazz machines seem to have an 8MHz crystal clock but I don't know
exactly which ones ... XXX */
#define UART_CLK (8000000 / 16) /* ( 3072000 / 16) */
#endif
#define MEMPORT(_base, _irq) \
{ \
.mapbase = (_base), \
.membase = (void *)(_base), \
.irq = (_irq), \
.uartclk = UART_CLK, \
.iotype = UPIO_MEM, \
.flags = UPF_BOOT_AUTOCONF, \
}
static struct plat_serial8250_port jazz_serial_data[] = {
MEMPORT(JAZZ_SERIAL1_BASE, JAZZ_SERIAL1_IRQ),
MEMPORT(JAZZ_SERIAL2_BASE, JAZZ_SERIAL2_IRQ),
{ },
};
static struct platform_device jazz_serial8250_device = {
.name = "serial8250",
.id = PLAT8250_DEV_PLATFORM,
.dev = {
.platform_data = jazz_serial_data,
},
};
static struct resource jazz_esp_rsrc[] = {
{
.start = JAZZ_SCSI_BASE,
.end = JAZZ_SCSI_BASE + 31,
.flags = IORESOURCE_MEM
},
{
.start = JAZZ_SCSI_DMA,
.end = JAZZ_SCSI_DMA,
.flags = IORESOURCE_MEM
},
{
.start = JAZZ_SCSI_IRQ,
.end = JAZZ_SCSI_IRQ,
.flags = IORESOURCE_IRQ
}
};
static struct platform_device jazz_esp_pdev = {
.name = "jazz_esp",
.num_resources = ARRAY_SIZE(jazz_esp_rsrc),
.resource = jazz_esp_rsrc
};
static struct resource jazz_sonic_rsrc[] = {
{
.start = JAZZ_ETHERNET_BASE,
.end = JAZZ_ETHERNET_BASE + 0xff,
.flags = IORESOURCE_MEM
},
{
.start = JAZZ_ETHERNET_IRQ,
.end = JAZZ_ETHERNET_IRQ,
.flags = IORESOURCE_IRQ
}
};
static struct platform_device jazz_sonic_pdev = {
.name = "jazzsonic",
.num_resources = ARRAY_SIZE(jazz_sonic_rsrc),
.resource = jazz_sonic_rsrc
};
static struct resource jazz_cmos_rsrc[] = {
{
.start = 0x70,
.end = 0x71,
.flags = IORESOURCE_IO
},
{
.start = 8,
.end = 8,
.flags = IORESOURCE_IRQ
}
};
static struct platform_device jazz_cmos_pdev = {
.name = "rtc_cmos",
.num_resources = ARRAY_SIZE(jazz_cmos_rsrc),
.resource = jazz_cmos_rsrc
};
static struct platform_device pcspeaker_pdev = {
.name = "pcspkr",
.id = -1,
};
static int __init jazz_setup_devinit(void)
{
platform_device_register(&jazz_serial8250_device);
platform_device_register(&jazz_esp_pdev);
platform_device_register(&jazz_sonic_pdev);
platform_device_register(&jazz_cmos_pdev);
platform_device_register(&pcspeaker_pdev);
return 0;
}
device_initcall(jazz_setup_devinit);
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