You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
104 lines
2.3 KiB
104 lines
2.3 KiB
20 years ago
|
/*
|
||
|
|
* arch/ppc/syslib/ppc_sys.c
|
||
|
|
*
|
||
|
|
* PPC System library functions
|
||
|
|
*
|
||
|
|
* Maintainer: Kumar Gala <kumar.gala@freescale.com>
|
||
|
|
*
|
||
|
|
* Copyright 2005 Freescale Semiconductor Inc.
|
||
|
|
*
|
||
|
|
* This program is free software; you can redistribute it and/or modify it
|
||
|
|
* under the terms of the GNU General Public License as published by the
|
||
|
|
* Free Software Foundation; either version 2 of the License, or (at your
|
||
|
|
* option) any later version.
|
||
|
|
*/
|
||
|
|
|
||
|
|
#include <asm/ppc_sys.h>
|
||
|
|
|
||
|
|
int (*ppc_sys_device_fixup) (struct platform_device * pdev);
|
||
|
|
|
||
|
|
static int ppc_sys_inited;
|
||
|
|
|
||
|
|
void __init identify_ppc_sys_by_id(u32 id)
|
||
|
|
{
|
||
|
|
unsigned int i = 0;
|
||
|
|
while (1) {
|
||
|
|
if ((ppc_sys_specs[i].mask & id) == ppc_sys_specs[i].value)
|
||
|
|
break;
|
||
|
|
i++;
|
||
|
|
}
|
||
|
|
|
||
|
|
cur_ppc_sys_spec = &ppc_sys_specs[i];
|
||
|
|
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
|
||
|
|
void __init identify_ppc_sys_by_name(char *name)
|
||
|
|
{
|
||
|
|
/* TODO */
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
|
||
|
|
/* Update all memory resources by paddr, call before platform_device_register */
|
||
|
|
void __init
|
||
|
|
ppc_sys_fixup_mem_resource(struct platform_device *pdev, phys_addr_t paddr)
|
||
|
|
{
|
||
|
|
int i;
|
||
|
|
for (i = 0; i < pdev->num_resources; i++) {
|
||
|
|
struct resource *r = &pdev->resource[i];
|
||
|
|
if ((r->flags & IORESOURCE_MEM) == IORESOURCE_MEM) {
|
||
|
|
r->start += paddr;
|
||
|
|
r->end += paddr;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
/* Get platform_data pointer out of platform device, call before platform_device_register */
|
||
|
|
void *__init ppc_sys_get_pdata(enum ppc_sys_devices dev)
|
||
|
|
{
|
||
|
|
return ppc_sys_platform_devices[dev].dev.platform_data;
|
||
|
|
}
|
||
|
|
|
||
|
|
void ppc_sys_device_remove(enum ppc_sys_devices dev)
|
||
|
|
{
|
||
|
|
unsigned int i;
|
||
|
|
|
||
|
|
if (ppc_sys_inited) {
|
||
|
|
platform_device_unregister(&ppc_sys_platform_devices[dev]);
|
||
|
|
} else {
|
||
|
|
if (cur_ppc_sys_spec == NULL)
|
||
|
|
return;
|
||
|
|
for (i = 0; i < cur_ppc_sys_spec->num_devices; i++)
|
||
|
|
if (cur_ppc_sys_spec->device_list[i] == dev)
|
||
|
|
cur_ppc_sys_spec->device_list[i] = -1;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
static int __init ppc_sys_init(void)
|
||
|
|
{
|
||
|
|
unsigned int i, dev_id, ret = 0;
|
||
|
|
|
||
|
|
BUG_ON(cur_ppc_sys_spec == NULL);
|
||
|
|
|
||
|
|
for (i = 0; i < cur_ppc_sys_spec->num_devices; i++) {
|
||
|
|
dev_id = cur_ppc_sys_spec->device_list[i];
|
||
|
|
if (dev_id != -1) {
|
||
|
|
if (ppc_sys_device_fixup != NULL)
|
||
|
|
ppc_sys_device_fixup(&ppc_sys_platform_devices
|
||
|
|
[dev_id]);
|
||
|
|
if (platform_device_register
|
||
|
|
(&ppc_sys_platform_devices[dev_id])) {
|
||
|
|
ret = 1;
|
||
|
|
printk(KERN_ERR
|
||
|
|
"unable to register device %d\n",
|
||
|
|
dev_id);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
ppc_sys_inited = 1;
|
||
|
|
return ret;
|
||
|
|
}
|
||
|
|
|
||
|
|
subsys_initcall(ppc_sys_init);
|