diff options
Diffstat (limited to 'src/mainboard/hp/dl165_g6_fam10/get_bus_conf.c')
| -rw-r--r-- | src/mainboard/hp/dl165_g6_fam10/get_bus_conf.c | 145 |
1 files changed, 145 insertions, 0 deletions
diff --git a/src/mainboard/hp/dl165_g6_fam10/get_bus_conf.c b/src/mainboard/hp/dl165_g6_fam10/get_bus_conf.c new file mode 100644 index 0000000000..f275841e70 --- /dev/null +++ b/src/mainboard/hp/dl165_g6_fam10/get_bus_conf.c @@ -0,0 +1,145 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2007 AMD + * Written by Yinghai Lu <yinghailu@amd.com> for AMD. + * + * 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; either version 2 of the License, or + * (at your option) any later version. + * + * 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> +#if CONFIG_LOGICAL_CPUS==1 +#include <cpu/amd/multicore.h> +#endif + +#include <cpu/amd/amdfam10_sysconf.h> + +#include <stdlib.h> +#include "mb_sysconf.h" + +// Global variables for MB layouts and these will be shared by irqtable mptable and acpi_tables +struct mb_sysconf_t mb_sysconf; + +/* 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/amdfam10/get_pci1234.c for detail */ +static u32 pci1234x[] = { + 0x0000ffc, 0x0000ffc, 0x0000ffc, 0x0000ffc, 0x0000ffc, 0x0000ffc, + 0x0000ffc, 0x0000ffc, 0x0000ffc, 0x0000ffc, 0x0000ffc, 0x0000ffc, + 0x0000ffc, 0x0000ffc, 0x0000ffc, 0x0000ffc, 0x0000ffc, 0x0000ffc, + 0x0000ffc, 0x0000ffc, 0x0000ffc, 0x0000ffc, 0x0000ffc, 0x0000ffc, + 0x0000ffc, 0x0000ffc, 0x0000ffc, 0x0000ffc, 0x0000ffc, 0x0000ffc, + 0x0000ffc, 0x0000ffc, +}; + + +/* 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 */ + +static unsigned hcdnx[] = { + 0x20202020, 0x20202020, 0x20202020, 0x20202020, 0x20202020, + 0x20202020, 0x20202020, 0x20202020, 0x20202020, 0x20202020, + 0x20202020, 0x20202020, 0x20202020, 0x20202020, 0x20202020, + 0x20202020, 0x20202020, 0x20202020, 0x20202020, 0x20202020, + 0x20202020, 0x20202020, 0x20202020, 0x20202020, 0x20202020, + 0x20202020, 0x20202020, 0x20202020, 0x20202020, 0x20202020, + 0x20202020, 0x20202020, +}; + +extern void get_pci1234(void); + +static unsigned get_bus_conf_done = 0; + +void get_bus_conf(void) +{ + + unsigned apicid_base; + + device_t dev; + int i; + struct mb_sysconf_t *m; + + if(get_bus_conf_done==1) return; //do it only once + + get_bus_conf_done = 1; + + sysconf.mb = &mb_sysconf; + + m = sysconf.mb; + memset(m, 0, sizeof(struct mb_sysconf_t)); + + 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] >> 8) & 0xff; + m->sbdn2 = sysconf.hcdn[0] & 0xff; // bcm5780 + + m->bus_bcm5785_0 = (sysconf.pci1234[0] >> 12) & 0xff; + m->bus_bcm5780[0] = m->bus_bcm5785_0; + + /* bcm5785 */ + printk(BIOS_DEBUG, "search for def %d.0 on bus %d\n",sysconf.sbdn,m->bus_bcm5785_0); + dev = dev_find_slot(m->bus_bcm5785_0, PCI_DEVFN(sysconf.sbdn,0)); + if (dev) { + printk(BIOS_DEBUG, "found dev %s...\n",dev_path(dev)); + m->bus_bcm5785_1 = pci_read_config8(dev, PCI_SECONDARY_BUS); + printk(BIOS_DEBUG, "secondary is %d...\n",m->bus_bcm5785_1); + dev = dev_find_slot(m->bus_bcm5785_1, PCI_DEVFN(0xd,0)); + printk(BIOS_DEBUG, "now found %s...\n",dev_path(dev)); + if(dev) { + m->bus_bcm5785_1_1 = pci_read_config8(dev, PCI_SECONDARY_BUS); +#if CONFIG_HT_CHAIN_END_UNITID_BASE >= CONFIG_HT_CHAIN_UNITID_BASE + m->bus_isa = pci_read_config8(dev, PCI_SUBORDINATE_BUS); + m->bus_isa++; + printk(BIOS_DEBUG, "bus_isa 1=%d\n",m->bus_isa); +#endif + } + } + else { + printk(BIOS_DEBUG, "ERROR - could not find PCI %02x:%02x.0, using defaults\n", m->bus_bcm5785_0, sysconf.sbdn); + } + + /* bcm5780 */ + for(i = 1; i < 6; i++) { + dev = dev_find_slot(m->bus_bcm5780[0], PCI_DEVFN(m->sbdn2 + i - 1,0)); + if(dev) { + m->bus_bcm5780[i] = pci_read_config8(dev, PCI_SECONDARY_BUS); +#if CONFIG_HT_CHAIN_END_UNITID_BASE < CONFIG_HT_CHAIN_UNITID_BASE + m->bus_isa = pci_read_config8(dev, PCI_SUBORDINATE_BUS); + m->bus_isa++; + printk(BIOS_DEBUG, "bus_isa 2=%d\n",m->bus_isa); +#endif + + } + else { + printk(BIOS_DEBUG, "ERROR - could not find PCI %02x:%02x.0, using defaults\n", m->bus_bcm5780[0], m->sbdn2+i-1); + } + } + +/*I/O APICs: APIC ID Version State Address*/ + apicid_base = 0x10; + for(i=0;i<3;i++) + m->apicid_bcm5785[i] = apicid_base+i; +} |