diff options
Diffstat (limited to 'src/northbridge')
| -rw-r--r-- | src/northbridge/amd/agesa/family15tn/northbridge.c | 43 |
1 files changed, 33 insertions, 10 deletions
diff --git a/src/northbridge/amd/agesa/family15tn/northbridge.c b/src/northbridge/amd/agesa/family15tn/northbridge.c index dc04afdbe5..c7a87dbe5a 100644 --- a/src/northbridge/amd/agesa/family15tn/northbridge.c +++ b/src/northbridge/amd/agesa/family15tn/northbridge.c @@ -399,7 +399,7 @@ static void create_vga_resource(device_t dev, unsigned nodeid) * we only deal with the 'first' vga card */ for (link = dev->link_list; link; link = link->next) { if (link->bridge_ctrl & PCI_BRIDGE_CTL_VGA) { -#if CONFIG_MULTIPLE_VGA_ADAPTERS == 1 +#if CONFIG_MULTIPLE_VGA_ADAPTERS extern device_t vga_pri; // the primary vga device, defined in device.c printk(BIOS_DEBUG, "VGA: vga_pri bus num = %d bus range [%d,%d]\n", vga_pri->bus->secondary, link->secondary,link->subordinate); @@ -447,12 +447,35 @@ static void northbridge_init(struct device *dev) { } +static unsigned scan_chains(device_t dev, unsigned max) +{ + unsigned nodeid; + struct bus *link; + device_t io_hub = NULL; + u32 next_unitid = 0x18; + nodeid = amdfam15_nodeid(dev); + if (nodeid == 0) { + for (link = dev->link_list; link; link = link->next) { + //if (link->link_num == sblink) { /* devicetree put IO Hub on link_lsit[sblink] */ + if (link->link_num == 0) { /* devicetree put IO Hub on link_lsit[0] */ + io_hub = link->children; + if (!io_hub || !io_hub->enabled) { + die("I can't find the IO Hub, or IO Hub not enabled, please check the device tree.\n"); + } + /* Now that nothing is overlapping it is safe to scan the children. */ + max = pci_scan_bus(link, 0x00, ((next_unitid - 1) << 3) | 7, 0); + } + } + } + return max; +} + static struct device_operations northbridge_operations = { .read_resources = read_resources, .set_resources = set_resources, .enable_resources = pci_dev_enable_resources, .init = northbridge_init, - .scan_bus = 0, /*scan_chains, */ + .scan_bus = scan_chains, .enable = 0, .ops_pci = 0, }; @@ -508,7 +531,7 @@ static void domain_read_resources(device_t dev) /* FIXME: do we need to check extend conf space? I don't believe that much preset value */ -#if CONFIG_PCI_64BIT_PREF_MEM == 0 +#if !CONFIG_PCI_64BIT_PREF_MEM pci_domain_read_resources(dev); #else @@ -663,7 +686,7 @@ void setup_uma_memory(void) static void domain_set_resources(device_t dev) { -#if CONFIG_PCI_64BIT_PREF_MEM == 1 +#if CONFIG_PCI_64BIT_PREF_MEM struct resource *io, *mem1, *mem2; struct resource *res; #endif @@ -676,7 +699,7 @@ static void domain_set_resources(device_t dev) u32 reset_memhole = 1; #endif -#if CONFIG_PCI_64BIT_PREF_MEM == 1 +#if CONFIG_PCI_64BIT_PREF_MEM for (link = dev->link_list; link; link = link->next) { /* Now reallocate the pci resources memory with the @@ -791,10 +814,10 @@ static void domain_set_resources(device_t dev) ram_resource(dev, (idx | i), basek, pre_sizek); idx += 0x10; sizek -= pre_sizek; -#if CONFIG_WRITE_HIGH_TABLES==1 +#if CONFIG_WRITE_HIGH_TABLES if (high_tables_base==0) { /* Leave some space for ACPI, PIRQ and MP tables */ -#if CONFIG_GFXUMA == 1 +#if CONFIG_GFXUMA high_tables_base = uma_memory_base - HIGH_MEMORY_SIZE; #else high_tables_base = (mmio_basek * 1024) - HIGH_MEMORY_SIZE; @@ -818,12 +841,12 @@ static void domain_set_resources(device_t dev) ram_resource(dev, (idx | i), basek, sizek); idx += 0x10; -#if CONFIG_WRITE_HIGH_TABLES==1 +#if CONFIG_WRITE_HIGH_TABLES printk(BIOS_DEBUG, "node %d: mmio_basek=%08lx, basek=%08llx, limitk=%08llx\n", i, mmio_basek, basek, limitk); if (high_tables_base==0) { /* Leave some space for ACPI, PIRQ and MP tables */ -#if CONFIG_GFXUMA == 1 +#if CONFIG_GFXUMA high_tables_base = uma_memory_base - HIGH_MEMORY_SIZE; #else high_tables_base = (limitk * 1024) - HIGH_MEMORY_SIZE; @@ -1018,7 +1041,7 @@ static u32 cpu_bus_scan(device_t dev, u32 max) * otherwise the device under it will not be scanned */ int linknum; -#if CONFIG_HT3_SUPPORT==1 +#if CONFIG_HT3_SUPPORT linknum = 8; #else linknum = 4; |