diff options
Diffstat (limited to 'src/southbridge/amd/cimx_wrapper/sb800/early.c')
-rw-r--r-- | src/southbridge/amd/cimx_wrapper/sb800/early.c | 64 |
1 files changed, 64 insertions, 0 deletions
diff --git a/src/southbridge/amd/cimx_wrapper/sb800/early.c b/src/southbridge/amd/cimx_wrapper/sb800/early.c new file mode 100644 index 0000000000..40a18ccd4c --- /dev/null +++ b/src/southbridge/amd/cimx_wrapper/sb800/early.c @@ -0,0 +1,64 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2011 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 <config.h> +#include <stdint.h> +#include <device/pci_ids.h> +#include <arch/io.h> /* inl, outl */ +#include <arch/romcc_io.h> /* device_t */ +#include "SBPLATFORM.h" +#include "SbEarly.h" +#include "cfg.h" /*sb800_cimx_config*/ + + +/** + * @brief Get SouthBridge device number + * @param[in] bus target bus number + * @return southbridge device number + */ +u32 get_sbdn(u32 bus) +{ + device_t dev; + + //dev = PCI_DEV(bus, 0x14, 0); + dev = pci_locate_device_on_bus( + PCI_ID(PCI_VENDOR_ID_ATI, PCI_DEVICE_ID_ATI_SB800_SM), + bus); + + return (dev >> 15) & 0x1f; +} + + +/** + * @brief South Bridge CIMx romstage entry, + * wrapper of sbPowerOnInit entry point. + */ +void sb_poweron_init(void) +{ + AMDSBCFG sb_early_cfg; + + sb800_cimx_config(&sb_early_cfg); + //sb_early_cfg.StdHeader.Func = SB_POWERON_INIT; + //AmdSbDispatcher(&sb_early_cfg); + //TODO + //AMD_IMAGE_HEADER was missing, when using AmdSbDispatcher, + // VerifyImage() will fail, LocateImage() take minitues to find the image. + sbPowerOnInit(&sb_early_cfg); +} |