diff options
Diffstat (limited to 'src/mainboard/gizmosphere/gizmo/get_bus_conf.c')
| -rwxr-xr-x | src/mainboard/gizmosphere/gizmo/get_bus_conf.c | 147 |
1 files changed, 147 insertions, 0 deletions
diff --git a/src/mainboard/gizmosphere/gizmo/get_bus_conf.c b/src/mainboard/gizmosphere/gizmo/get_bus_conf.c new file mode 100755 index 0000000000..89118aab64 --- /dev/null +++ b/src/mainboard/gizmosphere/gizmo/get_bus_conf.c @@ -0,0 +1,147 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2011 Advanced Micro Devices, Inc. + * Copyright (C) 2013 Sage Electronic Engineering, LLC + * + * 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/amdfam14.h> +#include "agesawrapper.h" +#if CONFIG_AMD_SB_CIMX +#include <sb_cimx.h> +#endif + + +/* Global variables for MB layouts and these will be shared by irqtable mptable +* and acpi_tables busnum is default. +*/ +u8 bus_isa; +u8 bus_sb800[6]; +u32 apicid_sb800; + +/* +* 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, +}; + +u32 bus_type[256]; +u32 sbdn_sb800; + +static u32 get_bus_conf_done = 0; + +#if CONFIG_HAVE_ACPI_RESUME +extern u8 acpi_slp_type; +#endif + +void get_bus_conf(void) +{ + u32 apicid_base; + u32 status; + + device_t dev; + int i, j; + + if (get_bus_conf_done == 1) + return; /* do it only once */ + + get_bus_conf_done = 1; + +/* + * This is the call to AmdInitLate. It is really in the wrong place, conceptually, + * but functionally within the coreboot model, this is the best place to make the + * call. The logically correct place to call AmdInitLate is after PCI scan is done, + * after the decision about S3 resume is made, and before the system tables are + * written into RAM. The routine that is responsible for writing the tables is + * "write_tables", called near the end of "hardwaremain". There is no platform + * specific entry point between the S3 resume decision point and the call to + * "write_tables", and the next platform specific entry points are the calls to + * the ACPI table write functions. The first of ose would seem to be the right + * place, but other table write functions, e.g. the PIRQ table write function, are + * called before the ACPI tables are written. This routine is called at the beginning + * of each of the write functions called prior to the ACPI write functions, so this + * becomes the best place for this call. + */ +#if CONFIG_HAVE_ACPI_RESUME + if (acpi_slp_type != 3) { + status = agesawrapper_amdinitlate(); + if(status) + printk(BIOS_DEBUG, "agesawrapper_amdinitlate failed: %x \n", status); + status = agesawrapper_amdS3Save(); + if(status) + printk(BIOS_DEBUG, "agesawrapper_amds3save failed: %x \n", status); + } +#else + status = agesawrapper_amdinitlate(); + if(status) + printk(BIOS_DEBUG, "agesawrapper_amdinitlate failed: %x \n", status); +#endif + sbdn_sb800 = 0; + + memset(bus_sb800, 0, sizeof(bus_sb800)); + + for (i = 0; i < 256; i++) { + bus_type[i] = 0; /* default ISA bus. */ + } + + bus_type[0] = 1; /* pci */ + +// bus_sb800[0] = (sysconf.pci1234[0] >> 16) & 0xff; + bus_sb800[0] = (pci1234x[0] >> 16) & 0xff; + + /* sb800 */ + dev = dev_find_slot(bus_sb800[0], PCI_DEVFN(sbdn_sb800 + 0x14, 4)); + + if (dev) { + bus_sb800[1] = pci_read_config8(dev, PCI_SECONDARY_BUS); + + bus_isa = pci_read_config8(dev, PCI_SUBORDINATE_BUS); + bus_isa++; + for (j = bus_sb800[1]; j < bus_isa; j++) + bus_type[j] = 1; + } + + for (i = 0; i < 4; i++) { + dev = dev_find_slot(bus_sb800[0], PCI_DEVFN(sbdn_sb800 + 0x14, i)); + if (dev) { + bus_sb800[2 + i] = pci_read_config8(dev, PCI_SECONDARY_BUS); + bus_isa = pci_read_config8(dev, PCI_SUBORDINATE_BUS); + bus_isa++; + } + } + + for (j = bus_sb800[2]; j < bus_isa; j++) + bus_type[j] = 1; + + + /* I/O APICs: APIC ID Version State Address */ + bus_isa = 10; + apicid_base = CONFIG_MAX_CPUS; + apicid_sb800 = apicid_base; + +#if CONFIG_AMD_SB_CIMX + sb_Late_Post(); +#endif +} |