diff options
| -rw-r--r-- | board/theadorable/theadorable.c | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/board/theadorable/theadorable.c b/board/theadorable/theadorable.c index d424217..9b56620 100644 --- a/board/theadorable/theadorable.c +++ b/board/theadorable/theadorable.c @@ -294,3 +294,44 @@ int board_late_init(void) return 0; } #endif + +#if !defined(CONFIG_SPL_BUILD) && defined(CONFIG_PCI) +int do_pcie_test(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) +{ + pci_dev_t bdf; + u16 ven_id, dev_id; + + if (argc != 3) + return cmd_usage(cmdtp); + + ven_id = simple_strtoul(argv[1], NULL, 16); + dev_id = simple_strtoul(argv[2], NULL, 16); + + printf("Checking for PCIe device: VendorID 0x%04x, DeviceId 0x%04x\n", + ven_id, dev_id); + + /* + * Check if the PCIe device is detected (somtimes its not available + * on the PCIe bus) + */ + bdf = pci_find_device(ven_id, dev_id, 0); + if (bdf == -1) { + /* PCIe device not found! */ + printf("Failed to find PCIe device\n"); + } else { + /* PCIe device found! */ + printf("PCIe device found, resetting board...\n"); + + /* default handling: SOFT reset */ + do_reset(NULL, 0, 0, NULL); + } + + return 0; +} + +U_BOOT_CMD( + pcie, 3, 0, do_pcie_test, + "Test for presence of a PCIe device", + "<VendorID> <DeviceID>" +); +#endif |