diff options
Diffstat (limited to 'src/drivers/intel/fsp2_0/memory_init.c')
-rw-r--r-- | src/drivers/intel/fsp2_0/memory_init.c | 73 |
1 files changed, 73 insertions, 0 deletions
diff --git a/src/drivers/intel/fsp2_0/memory_init.c b/src/drivers/intel/fsp2_0/memory_init.c new file mode 100644 index 0000000000..8033937455 --- /dev/null +++ b/src/drivers/intel/fsp2_0/memory_init.c @@ -0,0 +1,73 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2015 Intel Corp. + * (Written by Andrey Petrov <andrey.petrov@intel.com> for Intel Corp.) + * (Written by Alexandru Gagniuc <alexandrux.gagniuc@intel.com> for Intel Corp.) + * + * 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. + */ + +#include <arch/io.h> +#include <arch/cpu.h> +#include <console/console.h> +#include <fsp/api.h> +#include <fsp/util.h> +#include <memrange.h> +#include <string.h> +#include <timestamp.h> + +typedef asmlinkage enum fsp_status (*fsp_memory_init_fn) + (void *raminit_upd, void **hob_list); + +static enum fsp_status do_fsp_memory_init(void **hob_list_ptr, + struct fsp_header *hdr) +{ + enum fsp_status status; + fsp_memory_init_fn fsp_raminit; + struct FSPM_UPD fspm_upd, *upd; + + post_code(0x34); + + upd = (struct FSPM_UPD *)(hdr->cfg_region_offset + hdr->image_base); + + if (upd->FspUpdHeader.Signature != FSPM_UPD_SIGNATURE) { + printk(BIOS_ERR, "Invalid FSPM signature\n"); + return FSP_INCOMPATIBLE_VERSION; + } + + /* Copy the default values from the UPD area */ + memcpy(&fspm_upd, upd, sizeof(fspm_upd)); + + /* Give SoC and mainboard a chance to update the UPD */ + platform_fsp_memory_init_params_cb(&fspm_upd); + + /* Call FspMemoryInit */ + fsp_raminit = (void *)(hdr->image_base + hdr->memory_init_entry_offset); + printk(BIOS_DEBUG, "Calling FspMemoryInit: 0x%p\n", fsp_raminit); + printk(BIOS_SPEW, "\t%p: raminit_upd\n", &fspm_upd); + printk(BIOS_SPEW, "\t%p: hob_list ptr\n", hob_list_ptr); + + timestamp_add_now(TS_FSP_MEMORY_INIT_START); + status = fsp_raminit(&fspm_upd, hob_list_ptr); + post_code(0x37); + timestamp_add_now(TS_FSP_MEMORY_INIT_END); + + printk(BIOS_DEBUG, "FspMemoryInit returned 0x%08x\n", status); + + return status; +} + +enum fsp_status fsp_memory_init(void **hob_list, struct range_entry *range) +{ + struct fsp_header hdr; + + /* TODO: do not hardcode CBFS file names */ + if (fsp_load_binary(&hdr, "blobs/fspm.bin", range) != CB_SUCCESS) + return FSP_NOT_FOUND; + + return do_fsp_memory_init(hob_list, &hdr); +} |