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| author | Patrick Georgi <patrick.georgi@coresystems.de> | 2010-09-24 18:42:56 +0000 |
|---|---|---|
| committer | Patrick Georgi <patrick.georgi@coresystems.de> | 2010-09-24 18:42:56 +0000 |
| commit | 20979584fe28e9e62a71aa92c5c5ad8074790de4 (patch) | |
| tree | 473d4f461b50b0fa6ee26415ca8287bf224f0aec /src/mainboard/tyan/s4882/mptable.c | |
| parent | 0a6d1aebf12b786b4c5cbb85ce14cb89f3498958 (diff) | |
| download | coreboot-20979584fe28e9e62a71aa92c5c5ad8074790de4.tar.xz | |
Automatically fetch bus information for mptable from
the device tree, instead of using hardcoded values.
If this changes behaviour, this is either
- a bug in mptable_write_buses(), or
- a bug in the old mptable or device config, that is
they were inconsistent.
Signed-off-by: Patrick Georgi <patrick.georgi@coresystems.de>
Acked-by: Peter Stuge <peter@stuge.se>
git-svn-id: svn://svn.coreboot.org/coreboot/trunk@5835 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
Diffstat (limited to 'src/mainboard/tyan/s4882/mptable.c')
| -rw-r--r-- | src/mainboard/tyan/s4882/mptable.c | 13 |
1 files changed, 2 insertions, 11 deletions
diff --git a/src/mainboard/tyan/s4882/mptable.c b/src/mainboard/tyan/s4882/mptable.c index a7d11be22f..73dbcfc08f 100644 --- a/src/mainboard/tyan/s4882/mptable.c +++ b/src/mainboard/tyan/s4882/mptable.c @@ -49,8 +49,7 @@ static void *smp_write_config_table(void *v) static const char productid[12] = "S4882 "; struct mp_config_table *mc; - unsigned char bus_num; - unsigned char bus_isa; + int bus_isa; unsigned char bus_chain_0; unsigned char bus_8131_1; unsigned char bus_8131_2; @@ -94,14 +93,11 @@ static void *smp_write_config_table(void *v) dev = dev_find_slot(bus_chain_0, PCI_DEVFN(0x03,0)); if (dev) { bus_8111_1 = pci_read_config8(dev, PCI_SECONDARY_BUS); - bus_isa = pci_read_config8(dev, PCI_SUBORDINATE_BUS); - bus_isa++; } else { printk(BIOS_DEBUG, "ERROR - could not find PCI 1:03.0, using defaults\n"); bus_8111_1 = 4; - bus_isa = 5; } /* 8131-1 */ dev = dev_find_slot(bus_chain_0, PCI_DEVFN(0x01,0)); @@ -128,12 +124,7 @@ static void *smp_write_config_table(void *v) } /*Bus: Bus ID Type*/ - /* define bus and isa numbers */ - for(bus_num = 0; bus_num < bus_isa; bus_num++) { - smp_write_bus(mc, bus_num, "PCI "); - } - smp_write_bus(mc, bus_isa, "ISA "); - + mptable_write_buses(mc, NULL, &bus_isa); /*I/O APICs: APIC ID Version State Address*/ #if CONFIG_LOGICAL_CPUS==1 |