0322bc5ed8
Change-Id: I2279e2d7e6255a88953b2485c1f1a3b51a72c65e Signed-off-by: Elyes HAOUAS <ehaouas@noos.fr> Reviewed-on: https://review.coreboot.org/c/coreboot/+/50182 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Patrick Georgi <pgeorgi@google.com>
74 lines
1.5 KiB
C
74 lines
1.5 KiB
C
/* SPDX-License-Identifier: GPL-2.0-only */
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#include <acpi/acpi.h>
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#include <console/console.h>
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#include <console/streams.h>
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#include <cpu/x86/tsc.h>
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#include <program_loading.h>
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#include <rmodule.h>
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#include <stage_cache.h>
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#include <soc/ramstage.h>
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#include <soc/efi_wrapper.h>
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static void ABI_X86 send_to_console(unsigned char b)
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{
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console_tx_byte(b);
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}
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static efi_wrapper_entry_t load_reference_code(void)
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{
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if (resume_from_stage_cache()) {
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struct prog prog;
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stage_cache_load_stage(STAGE_REFCODE, &prog);
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return prog_entry(&prog);
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}
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struct prog prog =
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PROG_INIT(PROG_REFCODE, CONFIG_CBFS_PREFIX "/refcode");
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struct rmod_stage_load refcode = {
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.cbmem_id = CBMEM_ID_REFCODE,
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.prog = &prog,
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};
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if (prog_locate(&prog)) {
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printk(BIOS_DEBUG, "Couldn't locate reference code.\n");
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return NULL;
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}
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if (rmodule_stage_load(&refcode)) {
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printk(BIOS_DEBUG, "Error loading reference code.\n");
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return NULL;
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}
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/* Cache loaded reference code. */
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stage_cache_add(STAGE_REFCODE, &prog);
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return prog_entry(&prog);
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}
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void baytrail_run_reference_code(void)
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{
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int ret;
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efi_wrapper_entry_t entry;
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struct efi_wrapper_params wrp = {
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.version = EFI_WRAPPER_VER,
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.console_out = send_to_console,
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};
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entry = load_reference_code();
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if (entry == NULL)
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return;
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wrp.tsc_ticks_per_microsecond = tsc_freq_mhz();
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/* Call into reference code. */
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ret = entry(&wrp);
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if (ret != 0) {
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printk(BIOS_DEBUG, "Reference code returned %d\n", ret);
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return;
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}
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}
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