mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-11-15 09:27:35 +00:00
98 lines
2.5 KiB
C
98 lines
2.5 KiB
C
/*
|
|
* SH4 PCI Controller (PCIC) for U-Boot.
|
|
* (C) Dustin McIntire (dustin@sensoria.com)
|
|
* (C) 2007,2008 Nobuhiro Iwamatsu <iwamatsu@nigauri.org>
|
|
* (C) 2008 Yusuke Goda <goda.yusuke@renesas.com>
|
|
*
|
|
* u-boot/arch/sh/cpu/sh4/pci-sh4.c
|
|
*
|
|
* See file CREDITS for list of people who contributed to this
|
|
* project.
|
|
*
|
|
* 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 <common.h>
|
|
|
|
#include <asm/processor.h>
|
|
#include <asm/io.h>
|
|
#include <asm/pci.h>
|
|
#include <pci.h>
|
|
|
|
int pci_sh4_init(struct pci_controller *hose)
|
|
{
|
|
hose->first_busno = 0;
|
|
hose->region_count = 0;
|
|
hose->last_busno = 0xff;
|
|
|
|
/* PCI memory space */
|
|
pci_set_region(hose->regions + 0,
|
|
CONFIG_PCI_MEM_BUS,
|
|
CONFIG_PCI_MEM_PHYS,
|
|
CONFIG_PCI_MEM_SIZE,
|
|
PCI_REGION_MEM);
|
|
hose->region_count++;
|
|
|
|
/* PCI IO space */
|
|
pci_set_region(hose->regions + 1,
|
|
CONFIG_PCI_IO_BUS,
|
|
CONFIG_PCI_IO_PHYS,
|
|
CONFIG_PCI_IO_SIZE,
|
|
PCI_REGION_IO);
|
|
hose->region_count++;
|
|
|
|
#if defined(CONFIG_PCI_SYS_BUS)
|
|
/* PCI System Memory space */
|
|
pci_set_region(hose->regions + 2,
|
|
CONFIG_PCI_SYS_BUS,
|
|
CONFIG_PCI_SYS_PHYS,
|
|
CONFIG_PCI_SYS_SIZE,
|
|
PCI_REGION_MEM | PCI_REGION_SYS_MEMORY);
|
|
hose->region_count++;
|
|
#endif
|
|
|
|
udelay(1000);
|
|
|
|
pci_set_ops(hose,
|
|
pci_hose_read_config_byte_via_dword,
|
|
pci_hose_read_config_word_via_dword,
|
|
pci_sh4_read_config_dword,
|
|
pci_hose_write_config_byte_via_dword,
|
|
pci_hose_write_config_word_via_dword,
|
|
pci_sh4_write_config_dword);
|
|
|
|
pci_register_hose(hose);
|
|
|
|
udelay(1000);
|
|
|
|
#ifdef CONFIG_PCI_SCAN_SHOW
|
|
printf("PCI: Bus Dev VenId DevId Class Int\n");
|
|
#endif
|
|
hose->last_busno = pci_hose_scan(hose);
|
|
return 0;
|
|
}
|
|
|
|
int pci_skip_dev(struct pci_controller *hose, pci_dev_t dev)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
#ifdef CONFIG_PCI_SCAN_SHOW
|
|
int pci_print_dev(struct pci_controller *hose, pci_dev_t dev)
|
|
{
|
|
return 1;
|
|
}
|
|
#endif /* CONFIG_PCI_SCAN_SHOW */
|