upstream u-boot with additional patches for our devices/boards: https://lists.denx.de/pipermail/u-boot/2017-March/282789.html (AXP crashes) ; Gbit ethernet patch for some LIME2 revisions ; with SPI flash support
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u-boot/board/esd/cpci750/ide.c

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1.4 KiB

/*
* (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 */