android_kernel_xiaomi_sm8350/arch/mips/sni/eisa.c
Thomas Bogendoerfer 231a35d372 [MIPS] RM: Collected changes
- EISA support for non PCI RMs (RM200 and RM400-xxx). The major part
  is the splitting of the EISA and onboard ISA of the RM200, which
  makes the EISA bus on the RM200 look like on other RMs.
- 64bit kernel support
- system type detection is now common for big and little endian
- moved sniprom code to arch/mips/fw
- added call_o32 function to arch/mips/fw/lib, which uses a private
  stack for calling prom functions
- fix problem with ISA interrupts, which makes using PIT clockevent
  possible

Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2008-01-29 10:14:59 +00:00

51 lines
1.1 KiB
C

/*
* Virtual EISA root driver.
* Acts as a placeholder if we don't have a proper EISA bridge.
*
* (C) 2003 Marc Zyngier <maz@wild-wind.fr.eu.org>
* modified for SNI usage by Thomas Bogendoerfer
*
* This code is released under the GPL version 2.
*/
#include <linux/kernel.h>
#include <linux/platform_device.h>
#include <linux/eisa.h>
#include <linux/init.h>
/* The default EISA device parent (virtual root device).
* Now use a platform device, since that's the obvious choice. */
static struct platform_device eisa_root_dev = {
.name = "eisa",
.id = 0,
};
static struct eisa_root_device eisa_bus_root = {
.dev = &eisa_root_dev.dev,
.bus_base_addr = 0,
.res = &ioport_resource,
.slots = EISA_MAX_SLOTS,
.dma_mask = 0xffffffff,
.force_probe = 1,
};
int __init sni_eisa_root_init(void)
{
int r;
r = platform_device_register(&eisa_root_dev);
if (!r)
return r;
eisa_root_dev.dev.driver_data = &eisa_bus_root;
if (eisa_root_register(&eisa_bus_root)) {
/* A real bridge may have been registered before
* us. So quietly unregister. */
platform_device_unregister(&eisa_root_dev);
return -1;
}
return 0;
}