From 0c797f1c28cd16c64482b2cea554e89baaa31445 Mon Sep 17 00:00:00 2001 From: Kyösti Mälkki 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/torpedo/get_bus_conf.c | 28 +++------------------------- src/mainboard/amd/torpedo/irq_tables.c | 8 +++----- 2 files changed, 6 insertions(+), 30 deletions(-) (limited to 'src/mainboard/amd/torpedo') diff --git a/src/mainboard/amd/torpedo/get_bus_conf.c b/src/mainboard/amd/torpedo/get_bus_conf.c index 3f8f50ed99..b88e3fbeb1 100644 --- a/src/mainboard/amd/torpedo/get_bus_conf.c +++ b/src/mainboard/amd/torpedo/get_bus_conf.c @@ -31,26 +31,6 @@ */ u8 bus_sb900[6]; -/* -* 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, -}; - -/* -* HT Chain device num, actually it is unit id base of every ht device in chain, -* assume every chain only have 4 ht device at most -*/ -u32 hcdnx[] = { - 0x20202020, -}; - - -u32 sbdn_sb900; - void get_bus_conf(void) { device_t dev; @@ -58,23 +38,21 @@ void get_bus_conf(void) printk(BIOS_DEBUG, "Mainboard - %s - %s - Start.\n", __FILE__, __func__); - sbdn_sb900 = 0; memset(bus_sb900, 0, sizeof(bus_sb900)); - bus_sb900[0] = (pci1234x[0] >> 16) & 0xff; /* sb900 */ - dev = dev_find_slot(bus_sb900[0], PCI_DEVFN(sbdn_sb900 + 0x14, 4)); + dev = dev_find_slot(0, PCI_DEVFN(0x14, 4)); if (dev) { bus_sb900[1] = pci_read_config8(dev, PCI_SECONDARY_BUS); } for (i = 0; i < 4; i++) { - dev = dev_find_slot(bus_sb900[0], - PCI_DEVFN(sbdn_sb900 + 0x14, i)); + dev = dev_find_slot(0, + PCI_DEVFN(0x14, i)); if (dev) { bus_sb900[2 + i] = pci_read_config8(dev, PCI_SECONDARY_BUS); diff --git a/src/mainboard/amd/torpedo/irq_tables.c b/src/mainboard/amd/torpedo/irq_tables.c index f47d9dc4ff..c501125d06 100644 --- a/src/mainboard/amd/torpedo/irq_tables.c +++ b/src/mainboard/amd/torpedo/irq_tables.c @@ -45,8 +45,6 @@ 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_sb900[6]; -extern unsigned long sbdn_sb900; unsigned long write_pirq_routing_table(unsigned long addr) { @@ -72,8 +70,8 @@ unsigned long write_pirq_routing_table(unsigned long addr) pirq->signature = PIRQ_SIGNATURE; pirq->version = PIRQ_VERSION; - pirq->rtr_bus = bus_sb900[0]; - pirq->rtr_devfn = ((sbdn_sb900 + 0x14) << 3) | 4; + pirq->rtr_bus = 0; + pirq->rtr_devfn = PCI_DEVFN(0x14, 4); pirq->exclusive_irqs = 0; @@ -89,7 +87,7 @@ unsigned long write_pirq_routing_table(unsigned long addr) /* pci bridge */ - write_pirq_info(pirq_info, bus_sb900[0], ((sbdn_sb900 + 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