From 33e6d5dec6ef92947ba0c9d6a5197b1869cf89f8 Mon Sep 17 00:00:00 2001 From: Arne Georg Gleditsch Date: Tue, 19 Aug 2008 17:59:34 +0000 Subject: Add Tyan S2912 platform with AMD Family 10 support. Thanks Arne. Good job. Signed-off-by: Arne Georg Gleditsch Acked-by: Marc Jones git-svn-id: svn://svn.coreboot.org/coreboot/trunk@3526 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1 --- src/mainboard/tyan/s2912_fam10/get_bus_conf.c | 138 ++++++++++++++++++++++++++ 1 file changed, 138 insertions(+) create mode 100644 src/mainboard/tyan/s2912_fam10/get_bus_conf.c (limited to 'src/mainboard/tyan/s2912_fam10/get_bus_conf.c') diff --git a/src/mainboard/tyan/s2912_fam10/get_bus_conf.c b/src/mainboard/tyan/s2912_fam10/get_bus_conf.c new file mode 100644 index 0000000000..f1bb721be5 --- /dev/null +++ b/src/mainboard/tyan/s2912_fam10/get_bus_conf.c @@ -0,0 +1,138 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2007 AMD + * Written by Yinghai Lu 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 +#include +#include +#include +#include +#if CONFIG_LOGICAL_CPUS==1 +#include +#endif + +#include + +#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; + struct mb_sysconf_t *m; + + device_t dev; + int i, j; + + 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 = sizeof(pci1234x)/sizeof(pci1234x[0]); + for(i=0;ibus_type[0] = 1; //pci + sysconf.sbdn = (sysconf.hcdn[0] & 0xff); // first byte of first chain + m->bus_mcp55[0] = (sysconf.pci1234[0] >> 12) & 0xff; + + /* MCP55 */ + dev = dev_find_slot(m->bus_mcp55[0], PCI_DEVFN(sysconf.sbdn + 0x06,0)); + if (dev) { + m->bus_mcp55[1] = pci_read_config8(dev, PCI_SECONDARY_BUS); + } + else { + printk_debug("ERROR - could not find PCI 1:%02x.0, using defaults\n", sysconf.sbdn + 0x06); + } + + for(i=2; i<8;i++) { + dev = dev_find_slot(m->bus_mcp55[0], PCI_DEVFN(sysconf.sbdn + 0x0a + i - 2 , 0)); + if (dev) { + m->bus_mcp55[i] = pci_read_config8(dev, PCI_SECONDARY_BUS); + } + else { + printk_debug("ERROR - could not find PCI %02x:%02x.0, using defaults\n", m->bus_mcp55[0], sysconf.sbdn + 0x0a + i - 2 ); + } + } + + for(i=0; i< sysconf.hc_possible_num; i++) { + if(!(sysconf.pci1234[i] & 0x1) ) continue; + + unsigned busn = (sysconf.pci1234[i] >> 12) & 0xff; + unsigned 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); + } + + +/*I/O APICs: APIC ID Version State Address*/ +#if CONFIG_LOGICAL_CPUS==1 + apicid_base = get_apicid_base(1); +#else + apicid_base = CONFIG_MAX_PHYSICAL_CPUS; +#endif + m->apicid_mcp55 = apicid_base+0; + +} -- cgit v1.2.3