diff options
Diffstat (limited to 'src/mainboard/asus/kgpe-d16/get_bus_conf.c')
| -rw-r--r-- | src/mainboard/asus/kgpe-d16/get_bus_conf.c | 125 |
1 files changed, 125 insertions, 0 deletions
diff --git a/src/mainboard/asus/kgpe-d16/get_bus_conf.c b/src/mainboard/asus/kgpe-d16/get_bus_conf.c new file mode 100644 index 000000000000..8661ad13de50 --- /dev/null +++ b/src/mainboard/asus/kgpe-d16/get_bus_conf.c @@ -0,0 +1,125 @@ + /* + * This file is part of the coreboot project. + * + * Copyright (C) 2010 Advanced Micro Devices, Inc. + * Copyright (C) 2015 Timothy Pearson <tpearson@raptorengineeringinc.com>, Raptor Engineering + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#include <console/console.h> +#include <device/pci.h> +#include <device/pci_ids.h> +#include <string.h> +#include <stdint.h> +#include <stdlib.h> +#include <cpu/amd/multicore.h> + +#include <cpu/amd/amdfam10_sysconf.h> + +/* Global variables for MB layouts and these will be shared by irqtable mptable +* and acpi_tables busnum is default. +*/ +u8 bus_isa; +u8 bus_sr5650[14]; +u8 bus_sp5100[2]; +u32 apicid_sp5100; + +/* +* 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_sr5650; +u32 sbdn_sp5100; + +extern void get_pci1234(void); + +static u32 get_bus_conf_done = 0; + +void get_bus_conf(void) +{ + u32 apicid_base; + device_t dev; + int i; + + if (get_bus_conf_done == 1) + return; /* do it only once */ + get_bus_conf_done = 1; + + sysconf.hc_possible_num = ARRAY_SIZE(pci1234x); + for (i = 0; i < sysconf.hc_possible_num; i++) { + sysconf.pci1234[i] = pci1234x[i]; + sysconf.hcdn[i] = hcdnx[i]; + } + + get_pci1234(); + + sysconf.sbdn = (sysconf.hcdn[0] & 0xff); + sbdn_sr5650 = sysconf.sbdn; + sbdn_sp5100 = 0; + + for (i = 0; i < 2; i++) { + bus_sp5100[i] = 0; + } + for (i = 0; i < ARRAY_SIZE(bus_sr5650); i++) { + bus_sr5650[i] = 0; + } + + + bus_sr5650[0] = (sysconf.pci1234[0] >> 16) & 0xff; + bus_sp5100[0] = bus_sr5650[0]; + + + /* sp5100 */ + dev = dev_find_slot(bus_sp5100[0], PCI_DEVFN(sbdn_sp5100 + 0x14, 4)); + if (dev) { + bus_sp5100[1] = pci_read_config8(dev, PCI_SECONDARY_BUS); + bus_isa = pci_read_config8(dev, PCI_SUBORDINATE_BUS); + bus_isa++; + } + + /* sr5650 */ + for (i = 1; i < ARRAY_SIZE(bus_sr5650); i++) { + dev = dev_find_slot(bus_sr5650[0], PCI_DEVFN(sbdn_sr5650 + i, 0)); + if (dev) { + bus_sr5650[i] = pci_read_config8(dev, PCI_SECONDARY_BUS); + if(255 != bus_sr5650[i]) { + bus_isa = pci_read_config8(dev, PCI_SUBORDINATE_BUS); + bus_isa++; + } + } + } + + /* I/O APICs: APIC ID Version State Address */ + bus_isa = 10; + if (IS_ENABLED(CONFIG_LOGICAL_CPUS)) + apicid_base = get_apicid_base(1); + else + apicid_base = CONFIG_MAX_PHYSICAL_CPUS; + apicid_sp5100 = apicid_base + 0; +} |