Add qemu 2.4.0

[kvmfornfv.git] / qemu / roms / u-boot / board / esd / cpci750 / ide.c

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 (file)
index 0000000..f555c08
--- /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 */