1 files changed, 74 insertions, 0 deletions
diff --git a/qemu/roms/u-boot/board/esd/cpci750/ide.c b/qemu/roms/u-boot/board/esd/cpci750/ide.c
new file mode 100644
index 000000000..f555c0842
--- /dev/null
+++ b/qemu/roms/u-boot/board/esd/cpci750/ide.c
@@ -0,0 +1,74 @@
+/*
+ * (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 */