diff options
| -rw-r--r-- | cmd/pci.c | 45 |
1 files changed, 35 insertions, 10 deletions
@@ -256,10 +256,8 @@ static void pci_header_show(struct udevice *dev) } } -static void pciinfo_header(int busnum, bool short_listing) +static void pciinfo_header(bool short_listing) { - printf("Scanning PCI devices on bus %d\n", busnum); - if (short_listing) { printf("BusDevFun VendorId DeviceId Device Class Sub-Class\n"); printf("_____________________________________________________________\n"); @@ -288,11 +286,15 @@ static void pci_header_show_brief(struct udevice *dev) pci_class_str(class), subclass); } -static void pciinfo(struct udevice *bus, bool short_listing) +static void pciinfo(struct udevice *bus, bool short_listing, bool multi) { struct udevice *dev; - pciinfo_header(dev_seq(bus), short_listing); + if (!multi) + printf("Scanning PCI devices on bus %d\n", dev_seq(bus)); + + if (!multi || dev_seq(bus) == 0) + pciinfo_header(short_listing); for (device_find_first_child(bus, &dev); dev; @@ -483,10 +485,11 @@ static int do_pci(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[]) ulong addr = 0, value = 0, cmd_size = 0; enum pci_size_t size = PCI_SIZE_32; struct udevice *dev, *bus; - int busnum = 0; + int busnum = -1; pci_dev_t bdf = 0; char cmd = 's'; int ret = 0; + char *endp; if (argc > 1) cmd = argv[1][0]; @@ -522,7 +525,11 @@ static int do_pci(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[]) argc--; } if (argc > 2 || (argc > 1 && cmd != 'r' && argv[1][0] != 's')) { - busnum = hextoul(argv[argc - 1], NULL); + if (argv[argc - 1][0] != '*') { + busnum = hextoul(argv[argc - 1], &endp); + if (*endp) + goto usage; + } argc--; } if (cmd == 'r' && argc > 2) @@ -530,6 +537,24 @@ static int do_pci(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[]) else if (cmd != 'r' && (argc > 2 || (argc == 2 && argv[1][0] != 's'))) goto usage; } + if (busnum == -1) { + if (cmd != 'r') { + for (busnum = 0; + uclass_get_device_by_seq(UCLASS_PCI, busnum, &bus) == 0; + busnum++) + pciinfo(bus, value, true); + } else { + for (busnum = 0; + uclass_get_device_by_seq(UCLASS_PCI, busnum, &bus) == 0; + busnum++) { + /* Regions are controller specific so skip non-root buses */ + if (device_is_on_pci_bus(bus)) + continue; + pci_show_regions(bus); + } + } + return 0; + } ret = uclass_get_device_by_seq(UCLASS_PCI, busnum, &bus); if (ret) { printf("No such bus\n"); @@ -538,7 +563,7 @@ static int do_pci(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[]) if (cmd == 'r') pci_show_regions(bus); else - pciinfo(bus, value); + pciinfo(bus, value, false); return 0; } @@ -585,7 +610,7 @@ static int do_pci(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[]) #ifdef CONFIG_SYS_LONGHELP static char pci_help_text[] = - "[bus] [long]\n" + "[bus|*] [long]\n" " - short or long list of PCI devices on bus 'bus'\n" "pci enum\n" " - Enumerate PCI buses\n" @@ -593,7 +618,7 @@ static char pci_help_text[] = " - show header of PCI device 'bus.device.function'\n" "pci bar b.d.f\n" " - show BARs base and size for device b.d.f'\n" - "pci regions [bus]\n" + "pci regions [bus|*]\n" " - show PCI regions\n" "pci display[.b, .w, .l] b.d.f [address] [# of objects]\n" " - display PCI configuration space (CFG)\n" |