import u-boot-1.1.4-list-2.1.0.diff

[u-boot.git] / board / linkstation / ide.c

diff --git a/board/linkstation/ide.c b/board/linkstation/ide.c
new file mode 100644 (file)
index 0000000..008ae52
--- /dev/null
+++ b/board/linkstation/ide.c
@@ -0,0 +1,101 @@
+/*
+ * (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>
+
+#ifdef CFG_CMD_IDE
+#include <ata.h>
+#include <ide.h>
+#include <pci.h>
+
+#define IT8212_PCI_CpuCONTROL                  0x5e
+#define IT8212_PCI_PciModeCONTROL              0x50
+#define IT8212_PCI_IdeIoCONFIG                 0x40
+#define IT8212_PCI_IdeBusSkewCONTROL   0x4c
+#define IT8212_PCI_IdeDrivingCURRENT   0x42
+
+extern ulong ide_bus_offset[CFG_IDE_MAXBUS];
+extern struct pci_controller hose;
+
+int ide_preinit (void)
+{
+       int status;
+       pci_dev_t devbusfn;
+       int l;
+
+       status = 1;
+       for (l = 0; l < CFG_IDE_MAXBUS; l++) {
+               ide_bus_offset[l] = -ATA_STATUS;
+       }
+       devbusfn = pci_find_device (PCI_VENDOR_ID_CMD, PCI_DEVICE_ID_SII_680, 0);
+       if (devbusfn == -1)
+               devbusfn = pci_find_device (PCI_VENDOR_ID_ITE,PCI_DEVICE_ID_ITE_8212,0);
+       if (devbusfn != -1) {
+               status = 0;
+
+               pci_read_config_dword (devbusfn, PCI_BASE_ADDRESS_0,
+                                                          (u32 *) &ide_bus_offset[0]);
+               ide_bus_offset[0] &= 0xfffffffe;
+               ide_bus_offset[0] = pci_hose_bus_to_phys(&hose,
+                                                                                                ide_bus_offset[0] & 0xfffffffe,
+                                                                                                PCI_REGION_IO);
+               pci_read_config_dword (devbusfn, PCI_BASE_ADDRESS_2,
+                                                          (u32 *) &ide_bus_offset[1]);
+               ide_bus_offset[1] &= 0xfffffffe;
+               ide_bus_offset[1] = pci_hose_bus_to_phys(&hose,
+                                                                                                ide_bus_offset[1] & 0xfffffffe,
+                                                                                                PCI_REGION_IO);
+       }
+
+       if (pci_find_device (PCI_VENDOR_ID_ITE, PCI_DEVICE_ID_ITE_8212, 0) != -1) {
+               pci_write_config_byte(devbusfn, IT8212_PCI_CpuCONTROL, 0x01);
+               pci_write_config_byte(devbusfn, IT8212_PCI_PciModeCONTROL, 0x00);
+               pci_write_config_word(devbusfn, PCI_COMMAND, 0x0047);
+#ifdef CONFIG_IT8212_SECONDARY_ENABLE
+               pci_write_config_word(devbusfn, IT8212_PCI_IdeIoCONFIG, 0xA0F3);
+#else
+               pci_write_config_word(devbusfn, IT8212_PCI_IdeIoCONFIG, 0x8031);
+#endif
+               pci_write_config_dword(devbusfn, IT8212_PCI_IdeBusSkewCONTROL, 0x02040204);
+// __LS_COMMENT__ BUFFALO changed 2004.11.10  changed for EMI
+        pci_write_config_byte(devbusfn, IT8212_PCI_IdeDrivingCURRENT, 0x36); // 10mA
+//      pci_write_config_byte(dev, IT8212_PCI_IdeDrivingCURRENT, 0x09); // 4mA
+//      pci_write_config_byte(dev, IT8212_PCI_IdeDrivingCURRENT, 0x12); // 6mA
+//      pci_write_config_byte(dev, IT8212_PCI_IdeDrivingCURRENT, 0x24); // 6mA,2mA
+//      pci_write_config_byte(dev, IT8212_PCI_IdeDrivingCURRENT, 0x2D); // 8mA,4mA
+        pci_write_config_byte(devbusfn, PCI_LATENCY_TIMER, 0x00);
+       }
+
+       return (status);
+}
+
+void ide_set_reset (int flag) {
+       return;
+}
+
+#endif /* of CONFIG_CMDS_IDE */
+
+/* vim: set ts=4: */