mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-11-14 08:57:58 +00:00
97138fc480
Fix warning: ide.c:54: warning: dereferencing type-punned pointer will break strict-aliasing rules Signed-off-by: Wolfgang Denk <wd@denx.de> Cc: Matthias Fuchs <matthias.fuchs@esd-electronics.com> Cc: Stefan Roese <sr@denx.de> Acked-by: Stefan Roese <sr@denx.de>
73 lines
2 KiB
C
73 lines
2 KiB
C
/*
|
|
* (C) Copyright 2000
|
|
* Wolfgang Denk, DENX Software Engineering, wd@denx.de.
|
|
*
|
|
* 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
|
|
*
|
|
*/
|
|
/* ide.c - ide support functions */
|
|
|
|
|
|
#include <common.h>
|
|
#if defined(CONFIG_CMD_IDE)
|
|
#include <ata.h>
|
|
#include <ide.h>
|
|
#include <pci.h>
|
|
|
|
extern ulong ide_bus_offset[CONFIG_SYS_IDE_MAXBUS];
|
|
|
|
int ide_preinit (void)
|
|
{
|
|
int status;
|
|
pci_dev_t devbusfn;
|
|
int l;
|
|
|
|
status = 1;
|
|
if (CPCI750_SLAVE_TEST != 0)
|
|
return status;
|
|
for (l = 0; l < CONFIG_SYS_IDE_MAXBUS; l++) {
|
|
ide_bus_offset[l] = -ATA_STATUS;
|
|
}
|
|
devbusfn = pci_find_device (0x1103, 0x0004, 0);
|
|
if (devbusfn == -1)
|
|
devbusfn = pci_find_device (0x1095, 0x3114, 0);
|
|
if (devbusfn != -1) {
|
|
ulong *ide_bus_offset_ptr;
|
|
|
|
status = 0;
|
|
|
|
ide_bus_offset_ptr = &ide_bus_offset[0];
|
|
pci_read_config_dword (devbusfn, PCI_BASE_ADDRESS_0,
|
|
(u32 *)ide_bus_offset_ptr);
|
|
ide_bus_offset[0] &= 0xfffffffe;
|
|
ide_bus_offset[0] += CONFIG_SYS_PCI0_IO_SPACE;
|
|
ide_bus_offset_ptr = &ide_bus_offset[1];
|
|
pci_read_config_dword (devbusfn, PCI_BASE_ADDRESS_2,
|
|
(u32 *)ide_bus_offset_ptr);
|
|
ide_bus_offset[1] &= 0xfffffffe;
|
|
ide_bus_offset[1] += CONFIG_SYS_PCI0_IO_SPACE;
|
|
}
|
|
return status;
|
|
}
|
|
|
|
void ide_set_reset (int flag) {
|
|
return;
|
|
}
|
|
|
|
#endif /* of CONFIG_CMDS_IDE */
|