From 0c797f1c28cd16c64482b2cea554e89baaa31445 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Ky=C3=B6sti=20M=C3=A4lkki?= Date: Mon, 21 Jul 2014 19:35:16 +0300 Subject: AGESA: Drop offset on PCI device enumeration MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Integrated PCI devices in southbridge silicon have static BDFs, no need to have variables to store the parent bus or an offset with constant zero. Change-Id: I37d3794d36b5e5775da9215574ddc199696646d0 Signed-off-by: Kyösti Mälkki Reviewed-on: http://review.coreboot.org/6333 Tested-by: build bot (Jenkins) Reviewed-by: Paul Menzel Reviewed-by: Patrick Georgi --- src/mainboard/amd/south_station/get_bus_conf.c | 17 ++--------------- src/mainboard/amd/south_station/irq_tables.c | 8 +++----- 2 files changed, 5 insertions(+), 20 deletions(-) (limited to 'src/mainboard/amd/south_station') diff --git a/src/mainboard/amd/south_station/get_bus_conf.c b/src/mainboard/amd/south_station/get_bus_conf.c index f221a4591f..53c7953f3c 100644 --- a/src/mainboard/amd/south_station/get_bus_conf.c +++ b/src/mainboard/amd/south_station/get_bus_conf.c @@ -33,16 +33,6 @@ u8 bus_sb800[6]; u32 apicid_sb800; -/* -* Here you only need to set value in pci1234 for HT-IO that could be installed or not -* You may need to preset pci1234 for HTIO board, -* please refer to src/northbridge/amd/amdk8/get_sblk_pci1234.c for detail -*/ -u32 pci1234x[] = { - 0x0000ff0, -}; - -u32 sbdn_sb800; void get_bus_conf(void) { @@ -52,16 +42,13 @@ void get_bus_conf(void) int i; - sbdn_sb800 = 0; memset(bus_sb800, 0, sizeof(bus_sb800)); -// bus_sb800[0] = (sysconf.pci1234[0] >> 16) & 0xff; - bus_sb800[0] = (pci1234x[0] >> 16) & 0xff; /* sb800 */ - dev = dev_find_slot(bus_sb800[0], PCI_DEVFN(sbdn_sb800 + 0x14, 4)); + dev = dev_find_slot(0, PCI_DEVFN(0x14, 4)); @@ -70,7 +57,7 @@ void get_bus_conf(void) } for (i = 0; i < 4; i++) { - dev = dev_find_slot(bus_sb800[0], PCI_DEVFN(sbdn_sb800 + 0x14, i)); + dev = dev_find_slot(0, PCI_DEVFN(0x14, i)); if (dev) { bus_sb800[2 + i] = pci_read_config8(dev, PCI_SECONDARY_BUS); } diff --git a/src/mainboard/amd/south_station/irq_tables.c b/src/mainboard/amd/south_station/irq_tables.c index 840e7b1bb5..12a64a8bcd 100644 --- a/src/mainboard/amd/south_station/irq_tables.c +++ b/src/mainboard/amd/south_station/irq_tables.c @@ -44,8 +44,6 @@ static void write_pirq_info(struct irq_info *pirq_info, u8 bus, u8 devfn, pirq_info->slot = slot; pirq_info->rfu = rfu; } -extern u8 bus_sb800[6]; -extern unsigned long sbdn_sb800; unsigned long write_pirq_routing_table(unsigned long addr) { @@ -71,8 +69,8 @@ unsigned long write_pirq_routing_table(unsigned long addr) pirq->signature = PIRQ_SIGNATURE; pirq->version = PIRQ_VERSION; - pirq->rtr_bus = bus_sb800[0]; - pirq->rtr_devfn = ((sbdn_sb800 + 0x14) << 3) | 4; + pirq->rtr_bus = 0; + pirq->rtr_devfn = PCI_DEVFN(0x14, 4); pirq->exclusive_irqs = 0; @@ -88,7 +86,7 @@ unsigned long write_pirq_routing_table(unsigned long addr) /* pci bridge */ - write_pirq_info(pirq_info, bus_sb800[0], ((sbdn_sb800 + 0x14) << 3) | 4, + write_pirq_info(pirq_info, 0, PCI_DEVFN(0x14, 4), 0x1, 0xdef8, 0x2, 0xdef8, 0x3, 0xdef8, 0x4, 0xdef8, 0, 0); pirq_info++; -- cgit v1.2.3