malta: setup PIIX4 interrupt route

[u-boot] / board / imgtec / malta / malta.c

diff --git a/board/imgtec/malta/malta.c b/board/imgtec/malta/malta.c
index 2f922597561085b3941e75bc57c69751e696a03f..a1a4c0186606656a4bf52fe8fe205c42306d93f3 100644 (file)
--- a/board/imgtec/malta/malta.c
+++ b/board/imgtec/malta/malta.c
@@ -7,6 +7,7 @@
 
 #include <common.h>
 #include <netdev.h>
+#include <pci.h>
 #include <pci_gt64120.h>
 #include <pci_msc01.h>
 #include <rtc.h>
@@ -169,6 +170,8 @@ struct serial_device *default_serial_console(void)
 
 void pci_init_board(void)
 {
+       pci_dev_t bdf;
+
        switch (malta_sys_con()) {
        case SYSCON_GT64120:
                set_io_port_base(CKSEG1ADDR(MALTA_GT_PCIIO_BASE));
@@ -191,4 +194,15 @@ void pci_init_board(void)
                               0x00000000, MALTA_MSC01_PCIIO_SIZE);
                break;
        }
+
+       bdf = pci_find_device(PCI_VENDOR_ID_INTEL,
+                             PCI_DEVICE_ID_INTEL_82371AB_0, 0);
+       if (bdf == -1)
+               panic("Failed to find PIIX4 PCI bridge\n");
+
+       /* setup PCI interrupt routing */
+       pci_write_config_byte(bdf, PCI_CFG_PIIX4_PIRQRCA, 10);
+       pci_write_config_byte(bdf, PCI_CFG_PIIX4_PIRQRCB, 10);
+       pci_write_config_byte(bdf, PCI_CFG_PIIX4_PIRQRCC, 11);
+       pci_write_config_byte(bdf, PCI_CFG_PIIX4_PIRQRCD, 11);
 }