diff options
Diffstat (limited to 'u-boot/board/esd/cpci750/ide.c')
-rw-r--r-- | u-boot/board/esd/cpci750/ide.c | 73 |
1 files changed, 73 insertions, 0 deletions
diff --git a/u-boot/board/esd/cpci750/ide.c b/u-boot/board/esd/cpci750/ide.c new file mode 100644 index 0000000..a3bd1b7 --- /dev/null +++ b/u-boot/board/esd/cpci750/ide.c @@ -0,0 +1,73 @@ +/* + * (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 */ |