91 lines
2.8 KiB
C
91 lines
2.8 KiB
C
|
/*
|
||
|
|
* arch/mips/pci/pci-emma2rh.c
|
||
|
|
* This file defines the PCI configration.
|
||
|
|
*
|
||
|
|
* Copyright (C) NEC Electronics Corporation 2004-2006
|
||
|
|
*
|
||
|
|
* This file is based on the arch/mips/ddb5xxx/ddb5477/pci.c
|
||
|
|
*
|
||
|
|
* Copyright 2001 MontaVista Software 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.
|
||
|
|
*
|
||
|
|
* This program is distributed in the hope that it will be useful,
|
||
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||
|
|
* GNU General Public License for more details.
|
||
|
|
*
|
||
|
|
* You should have received a copy of the GNU General Public License
|
||
|
|
* along with this program; if not, write to the Free Software
|
||
|
|
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
||
|
|
*/
|
||
|
|
|
||
|
|
#include <linux/config.h>
|
||
|
|
#include <linux/kernel.h>
|
||
|
|
#include <linux/init.h>
|
||
|
|
#include <linux/types.h>
|
||
|
|
#include <linux/pci.h>
|
||
|
|
|
||
|
|
#include <asm/bootinfo.h>
|
||
|
|
#include <asm/debug.h>
|
||
|
|
|
||
|
|
#include <asm/emma2rh/emma2rh.h>
|
||
|
|
|
||
|
|
static struct resource pci_io_resource = {
|
||
|
|
.name = "pci IO space",
|
||
|
|
.start = EMMA2RH_PCI_IO_BASE,
|
||
|
|
.end = EMMA2RH_PCI_IO_BASE + EMMA2RH_PCI_IO_SIZE - 1,
|
||
|
|
.flags = IORESOURCE_IO,
|
||
|
|
};
|
||
|
|
|
||
|
|
static struct resource pci_mem_resource = {
|
||
|
|
.name = "pci memory space",
|
||
|
|
.start = EMMA2RH_PCI_MEM_BASE,
|
||
|
|
.end = EMMA2RH_PCI_MEM_BASE + EMMA2RH_PCI_MEM_SIZE - 1,
|
||
|
|
.flags = IORESOURCE_MEM,
|
||
|
|
};
|
||
|
|
|
||
|
|
extern struct pci_ops emma2rh_pci_ops;
|
||
|
|
|
||
|
|
static struct pci_controller emma2rh_pci_controller = {
|
||
|
|
.pci_ops = &emma2rh_pci_ops,
|
||
|
|
.mem_resource = &pci_mem_resource,
|
||
|
|
.io_resource = &pci_io_resource,
|
||
|
|
.mem_offset = -0x04000000,
|
||
|
|
.io_offset = 0,
|
||
|
|
};
|
||
|
|
|
||
|
|
static void __init emma2rh_pci_init(void)
|
||
|
|
{
|
||
|
|
/* setup PCI interface */
|
||
|
|
emma2rh_out32(EMMA2RH_PCI_ARBIT_CTR, 0x70f);
|
||
|
|
|
||
|
|
emma2rh_out32(EMMA2RH_PCI_IWIN0_CTR, 0x80000a18);
|
||
|
|
emma2rh_out32(EMMA2RH_PCI_CONFIG_BASE + PCI_COMMAND,
|
||
|
|
PCI_STATUS_DEVSEL_MEDIUM | PCI_STATUS_CAP_LIST |
|
||
|
|
PCI_COMMAND_MASTER | PCI_COMMAND_MEMORY);
|
||
|
|
emma2rh_out32(EMMA2RH_PCI_CONFIG_BASE + PCI_BASE_ADDRESS_0, 0x10000000);
|
||
|
|
emma2rh_out32(EMMA2RH_PCI_CONFIG_BASE + PCI_BASE_ADDRESS_1, 0x00000000);
|
||
|
|
|
||
|
|
emma2rh_out32(EMMA2RH_PCI_IWIN0_CTR, 0x12000000 | 0x218);
|
||
|
|
emma2rh_out32(EMMA2RH_PCI_IWIN1_CTR, 0x18000000 | 0x600);
|
||
|
|
emma2rh_out32(EMMA2RH_PCI_INIT_ESWP, 0x00000200);
|
||
|
|
|
||
|
|
emma2rh_out32(EMMA2RH_PCI_TWIN_CTR, 0x00009200);
|
||
|
|
emma2rh_out32(EMMA2RH_PCI_TWIN_BADR, 0x00000000);
|
||
|
|
emma2rh_out32(EMMA2RH_PCI_TWIN0_DADR, 0x00000000);
|
||
|
|
emma2rh_out32(EMMA2RH_PCI_TWIN1_DADR, 0x00000000);
|
||
|
|
}
|
||
|
|
|
||
|
|
static int __init emma2rh_pci_setup(void)
|
||
|
|
{
|
||
|
|
emma2rh_pci_init();
|
||
|
|
register_pci_controller(&emma2rh_pci_controller);
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
arch_initcall(emma2rh_pci_setup);
|