malta: IDE support

[platform/kernel/u-boot.git] / board / imgtec / malta / malta.c

diff --git a/board/imgtec/malta/malta.c b/board/imgtec/malta/malta.c
index 78c4bd4..72b03ff 100644 (file)
--- a/board/imgtec/malta/malta.c
+++ b/board/imgtec/malta/malta.c
@@ -6,6 +6,7 @@
  */
 
 #include <common.h>
+#include <ide.h>
 #include <netdev.h>
 #include <pci.h>
 #include <pci_gt64120.h>
@@ -217,4 +218,22 @@ void pci_init_board(void)
        pci_read_config_byte(bdf, PCI_CFG_PIIX4_SERIRQC, &val8);
        val8 |= PCI_CFG_PIIX4_SERIRQC_EN | PCI_CFG_PIIX4_SERIRQC_CONT;
        pci_write_config_byte(bdf, PCI_CFG_PIIX4_SERIRQC, val8);
+
+       bdf = pci_find_device(PCI_VENDOR_ID_INTEL,
+                             PCI_DEVICE_ID_INTEL_82371AB, 0);
+       if (bdf == -1)
+               panic("Failed to find PIIX4 IDE controller\n");
+
+       /* enable bus master & IO access */
+       val32 |= PCI_COMMAND_MASTER | PCI_COMMAND_IO;
+       pci_write_config_dword(bdf, PCI_COMMAND, val32);
+
+       /* set latency */
+       pci_write_config_byte(bdf, PCI_LATENCY_TIMER, 0x40);
+
+       /* enable IDE/ATA */
+       pci_write_config_dword(bdf, PCI_CFG_PIIX4_IDETIM_PRI,
+                              PCI_CFG_PIIX4_IDETIM_IDE);
+       pci_write_config_dword(bdf, PCI_CFG_PIIX4_IDETIM_SEC,
+                              PCI_CFG_PIIX4_IDETIM_IDE);
 }