mirror of
https://github.com/edk2-porting/linux-next.git
synced 2024-12-27 14:43:58 +08:00
76 lines
1.6 KiB
C
76 lines
1.6 KiB
C
|
/*
|
||
|
|
* PCI support for SBS Palomar IV
|
||
|
|
*
|
||
|
|
* Author: Dan Cox
|
||
|
|
*
|
||
|
|
* 2002 (c) MontaVista, Software, Inc. This file is licensed under
|
||
|
|
* the terms of the GNU General Public License version 2. This program
|
||
|
|
* is licensed "as is" without any warranty of any kind, whether express
|
||
|
|
* or implied.
|
||
|
|
*/
|
||
|
|
|
||
|
|
#include <linux/kernel.h>
|
||
|
|
#include <linux/init.h>
|
||
|
|
#include <linux/pci.h>
|
||
|
|
|
||
|
|
#include <asm/byteorder.h>
|
||
|
|
#include <asm/machdep.h>
|
||
|
|
#include <asm/io.h>
|
||
|
|
#include <asm/pci-bridge.h>
|
||
|
|
#include <asm/uaccess.h>
|
||
|
|
|
||
|
|
#include <syslib/cpc700.h>
|
||
|
|
|
||
|
|
#include "pal4.h"
|
||
|
|
|
||
|
|
/* not much to this.... */
|
||
|
|
static inline int __init
|
||
|
|
pal4_map_irq(struct pci_dev *dev, unsigned char idsel, unsigned char pin)
|
||
|
|
{
|
||
|
|
if (idsel == 9)
|
||
|
|
return PAL4_ETH;
|
||
|
|
else
|
||
|
|
return PAL4_INTA + (idsel - 3);
|
||
|
|
}
|
||
|
|
|
||
|
|
void __init
|
||
|
|
pal4_find_bridges(void)
|
||
|
|
{
|
||
|
|
struct pci_controller *hose;
|
||
|
|
|
||
|
|
hose = pcibios_alloc_controller();
|
||
|
|
if (!hose)
|
||
|
|
return;
|
||
|
|
|
||
|
|
hose->first_busno = 0;
|
||
|
|
hose->last_busno = 0xff;
|
||
|
|
hose->pci_mem_offset = 0;
|
||
|
|
|
||
|
|
/* Could snatch these from the CPC700.... */
|
||
|
|
pci_init_resource(&hose->io_resource,
|
||
|
|
0x0,
|
||
|
|
0x03ffffff,
|
||
|
|
IORESOURCE_IO,
|
||
|
|
"PCI host bridge");
|
||
|
|
|
||
|
|
pci_init_resource(&hose->mem_resources[0],
|
||
|
|
0x90000000,
|
||
|
|
0x9fffffff,
|
||
|
|
IORESOURCE_MEM,
|
||
|
|
"PCI host bridge");
|
||
|
|
|
||
|
|
hose->io_space.start = 0x00800000;
|
||
|
|
hose->io_space.end = 0x03ffffff;
|
||
|
|
hose->mem_space.start = 0x90000000;
|
||
|
|
hose->mem_space.end = 0x9fffffff;
|
||
|
|
hose->io_base_virt = (void *) 0xf8000000;
|
||
|
|
|
||
|
|
setup_indirect_pci(hose, CPC700_PCI_CONFIG_ADDR,
|
||
|
|
CPC700_PCI_CONFIG_DATA);
|
||
|
|
|
||
|
|
hose->last_busno = pciauto_bus_scan(hose, hose->first_busno);
|
||
|
|
|
||
|
|
ppc_md.pci_swizzle = common_swizzle;
|
||
|
|
ppc_md.pci_map_irq = pal4_map_irq;
|
||
|
|
}
|