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- /*
- * (C) Copyright 2000
- * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
- *
- * SPDX-License-Identifier: GPL-2.0+
- */
- /* ide.c - ide support functions */
- #include <common.h>
- #if defined(CONFIG_CMD_IDE)
- #include <ata.h>
- #include <ide.h>
- #include <pci.h>
- int cpci_hd_type;
- int ata_device(int dev)
- {
- int retval;
- retval = (dev & 1) << 4;
- if (cpci_hd_type == 2)
- retval ^= 1 << 4;
- return retval;
- }
- int ide_preinit (void)
- {
- int status;
- pci_dev_t devbusfn;
- int l;
- status = 1;
- cpci_hd_type = 0;
- 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) {
- cpci_hd_type = 1;
- } else {
- devbusfn = pci_find_device (0x1095, 0x3114, 0);
- if (devbusfn != -1) {
- cpci_hd_type = 2;
- }
- }
- 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 */
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