Author: mcayland Date: Mon Aug 4 19:40:28 2014 New Revision: 1308 URL: http://tracker.coreboot.org/trac/openbios/changeset/1308 Log: pci.c: add generation of pci node available property Some OSs check for this value at boot, particulary NetBSD on SPARC64. Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk> Modified: trunk/openbios-devel/drivers/pci.c Modified: trunk/openbios-devel/drivers/pci.c ============================================================================== --- trunk/openbios-devel/drivers/pci.c Sun Jul 13 18:19:50 2014 (r1307) +++ trunk/openbios-devel/drivers/pci.c Mon Aug 4 19:40:28 2014 (r1308) @@ -1375,6 +1375,21 @@ } } +static void ob_pci_set_available(phandle_t host, unsigned long mem_base, unsigned long io_base) +{ + /* Create an available property for both memory and IO space */ + uint32_t props[10]; + int ncells; + + ncells = 0; + ncells += pci_encode_phys_addr(props + ncells, 0, MEMORY_SPACE_32, 0, 0, mem_base); + ncells += pci_encode_size(props + ncells, arch->mem_len - mem_base); + ncells += pci_encode_phys_addr(props + ncells, 0, IO_SPACE, 0, 0, io_base); + ncells += pci_encode_size(props + ncells, arch->io_len - io_base); + + set_property(host, "available", (char *)props, ncells * sizeof(props[0])); +} + int ob_pci_init(void) { int bus, devnum, fn; @@ -1382,7 +1397,7 @@ unsigned long mem_base, io_base; pci_config_t config = {}; /* host bridge */ - phandle_t phandle_host; + phandle_t phandle_host = 0; PCI_DPRINTF("Initializing PCI host bridge...\n"); @@ -1430,6 +1445,8 @@ break; } + /* create available attributes for the PCI bridge */ + ob_pci_set_available(phandle_host, mem_base, io_base); device_end();