diff options
Diffstat (limited to 'src/mainboard/amd/serengeti_cheetah_fam10/get_bus_conf.c')
-rw-r--r-- | src/mainboard/amd/serengeti_cheetah_fam10/get_bus_conf.c | 229 |
1 files changed, 229 insertions, 0 deletions
diff --git a/src/mainboard/amd/serengeti_cheetah_fam10/get_bus_conf.c b/src/mainboard/amd/serengeti_cheetah_fam10/get_bus_conf.c new file mode 100644 index 0000000000..b70126267b --- /dev/null +++ b/src/mainboard/amd/serengeti_cheetah_fam10/get_bus_conf.c @@ -0,0 +1,229 @@ +/* + * This file is part of the LinuxBIOS project. + * + * Copyright (C) 2007 Advanced Micro Devices, Inc. + * + * 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> +#if CONFIG_LOGICAL_CPUS==1 +#include <cpu/amd/dualcore.h> +#endif + +#include <cpu/amd/amdfam10_sysconf.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_sblk_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 u32 get_bus_conf_done = 0; + +static u32 get_hcid(u32 i) +{ + u32 id = 0; + u32 busn = (sysconf.pci1234[i] >> 12) & 0xff; + u32 devn = sysconf.hcdn[i] & 0xff; + device_t dev; + + dev = dev_find_slot(busn, PCI_DEVFN(devn,0)); + + switch (dev->device) { + case 0x7458: //8132 + id = 1; + break; + case 0x7454: //8151 + id = 2; + break; + case 0x7450: //8131 + id = 3; + break; + } + // we may need more way to find out hcid: subsystem id? GPIO read ? + // we need use id for 1. bus num, 2. mptable, 3. acpi table + return id; +} + +void get_bus_conf(void) +{ + u32 apicid_base; + + device_t dev; + int i, j; + 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; + + for(i=0;i<256; i++) { + m->bus_type[i] = 0; + } + + sysconf.hc_possible_num = sizeof(pci1234x)/sizeof(pci1234x[0]); + for(i=0;i<sysconf.hc_possible_num; i++) { + sysconf.pci1234[i] = pci1234x[i]; + sysconf.hcdn[i] = hcdnx[i]; + } + + get_pci1234(); + + m->bus_type[0] = 1; //pci + + sysconf.sbdn = (sysconf.hcdn[0] >> 8) & 0xff; + m->sbdn3 = sysconf.hcdn[0] & 0xff; + + m->bus_8132_0 = (sysconf.pci1234[0] >> 12) & 0xff; + m->bus_8111_0 = m->bus_8132_0; + + /* 8111 */ + dev = dev_find_slot(m->bus_8111_0, PCI_DEVFN(sysconf.sbdn,0)); + if (dev) { + m->bus_8111_1 = pci_read_config8(dev, PCI_SECONDARY_BUS); + } else { + printk_debug("ERROR - could not find PCI %02x:%02x.0, using defaults\n", m->bus_8111_0, sysconf.sbdn); + } + + /* 8132-1 */ + dev = dev_find_slot(m->bus_8132_0, PCI_DEVFN(m->sbdn3,0)); + if (dev) { + m->bus_8132_1 = pci_read_config8(dev, PCI_SECONDARY_BUS); + } else { + printk_debug("ERROR - could not find PCI %02x:%02x.0, using defaults\n", m->bus_8132_0, m->sbdn3); + } + + /* 8132-2 */ + dev = dev_find_slot(m->bus_8132_0, PCI_DEVFN(m->sbdn3+1,0)); + if (dev) { + m->bus_8132_2 = pci_read_config8(dev, PCI_SECONDARY_BUS); + } else { + printk_debug("ERROR - could not find PCI %02x:%02x.0, using defaults\n", m->bus_8132_0, m->sbdn3+1); + } + + for(i=0; i< sysconf.hc_possible_num; i++) { + if(!(sysconf.pci1234[i] & 0x1) ) continue; + + u32 busn = (sysconf.pci1234[i] >> 12) & 0xff; + u32 busn_max = (sysconf.pci1234[i] >> 20) & 0xff; + for (j = busn; j <= busn_max; j++) + m->bus_type[j] = 1; + if(m->bus_isa <= busn_max) + m->bus_isa = busn_max + 1; + printk_debug("i=%d bus range: [%x, %x] bus_isa=%x\n",i, busn, busn_max, m->bus_isa); + } + + /* HT chain 1 */ + j=0; + for(i=1; i< sysconf.hc_possible_num; i++) { + if(!(sysconf.pci1234[i] & 0x1) ) continue; + + // check hcid type here + sysconf.hcid[i] = get_hcid(i); + + switch(sysconf.hcid[i]) { + + case 1: //8132 + case 3: //8131 + + m->bus_8132a[j][0] = (sysconf.pci1234[i] >> 12) & 0xff; + + m->sbdn3a[j] = sysconf.hcdn[i] & 0xff; + + /* 8132-1 */ + dev = dev_find_slot(m->bus_8132a[j][0], PCI_DEVFN(m->sbdn3a[j],0)); + if (dev) { + m->bus_8132a[j][1] = pci_read_config8(dev, PCI_SECONDARY_BUS); + } else { + printk_debug("ERROR - could not find PCI %02x:%02x.0, using defaults\n", m->bus_8132a[j][0], m->sbdn3a[j]); + } + + /* 8132-2 */ + dev = dev_find_slot(m->bus_8132a[j][0], PCI_DEVFN(m->sbdn3a[j]+1,0)); + if (dev) { + m->bus_8132a[j][2] = pci_read_config8(dev, PCI_SECONDARY_BUS); + } else { + printk_debug("ERROR - could not find PCI %02x:%02x.0, using defaults\n", m->bus_8132a[j][0], m->sbdn3a[j]+1); + } + + break; + + case 2: //8151 + + m->bus_8151[j][0] = (sysconf.pci1234[i] >> 12) & 0xff; + m->sbdn5[j] = sysconf.hcdn[i] & 0xff; + /* 8151 */ + dev = dev_find_slot(m->bus_8151[j][0], PCI_DEVFN(m->sbdn5[j]+1, 0)); + + if (dev) { + m->bus_8151[j][1] = pci_read_config8(dev, PCI_SECONDARY_BUS); + } else { + printk_debug("ERROR - could not find PCI %02x:%02x.0, using defaults\n", m->bus_8151[j][0], m->sbdn5[j]+1); + } + + break; + } + + j++; + } + +/*I/O APICs: APIC ID Version State Address*/ + apicid_base = 0; + m->apicid_8111 = apicid_base + 0; + m->apicid_8132_1 = apicid_base + 1; + m->apicid_8132_2 = apicid_base + 2; + for(i=0;i<j;i++) { + m->apicid_8132a[i][0] = apicid_base + 3 + i * 2; + m->apicid_8132a[i][1] = apicid_base + 3 + i * 2 + 1; + } +} |