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- /* SPDX-License-Identifier: GPL-2.0+ */
- /*
- * Passing basic information from SPL to U-Boot proper
- *
- * Copyright 2018 Google, Inc
- */
- #ifndef __HANDOFF_H
- #define __HANDOFF_H
- #if CONFIG_IS_ENABLED(HANDOFF)
- #include <asm/handoff.h>
- /**
- * struct spl_handoff - information passed from SPL to U-Boot proper
- *
- * @ram_size: Value to use for gd->ram_size
- */
- struct spl_handoff {
- struct arch_spl_handoff arch;
- u64 ram_size;
- struct {
- u64 start;
- u64 size;
- } ram_bank[CONFIG_NR_DRAM_BANKS];
- };
- void handoff_save_dram(struct spl_handoff *ho);
- void handoff_load_dram_size(struct spl_handoff *ho);
- void handoff_load_dram_banks(struct spl_handoff *ho);
- /**
- * handoff_arch_save() - Save arch-specific info into the handoff area
- *
- * This is defined to an empty function by default, but arch-specific code can
- * define it to write to spi_handoff->arch. It is called from
- * write_spl_handoff().
- *
- * @ho: Handoff area to fill in
- * @return 0 if OK, -ve on error
- */
- int handoff_arch_save(struct spl_handoff *ho);
- #endif
- #endif
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