1a4596601f
Signed-off-by: Wolfgang Denk <wd@denx.de> [trini: Fixup common/cmd_io.c] Signed-off-by: Tom Rini <trini@ti.com>
83 lines
1.7 KiB
C
83 lines
1.7 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
|
|
*
|
|
* SPDX-License-Identifier: GPL-2.0+
|
|
*/
|
|
|
|
#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 */
|