Simon Glass | b0edea3 | 2018-11-15 18:44:09 -0700 | [diff] [blame] | 1 | /* SPDX-License-Identifier: GPL-2.0+ */ |
| 2 | /* |
| 3 | * Passing basic information from SPL to U-Boot proper |
| 4 | * |
| 5 | * Copyright 2018 Google, Inc |
| 6 | */ |
| 7 | |
| 8 | #ifndef __HANDOFF_H |
| 9 | #define __HANDOFF_H |
| 10 | |
| 11 | #if CONFIG_IS_ENABLED(HANDOFF) |
| 12 | |
| 13 | #include <asm/handoff.h> |
| 14 | |
| 15 | /** |
| 16 | * struct spl_handoff - information passed from SPL to U-Boot proper |
| 17 | * |
| 18 | * @ram_size: Value to use for gd->ram_size |
| 19 | */ |
| 20 | struct spl_handoff { |
| 21 | struct arch_spl_handoff arch; |
| 22 | u64 ram_size; |
| 23 | #ifdef CONFIG_NR_DRAM_BANKS |
| 24 | struct { |
| 25 | u64 start; |
| 26 | u64 size; |
| 27 | } ram_bank[CONFIG_NR_DRAM_BANKS]; |
| 28 | #endif |
| 29 | }; |
| 30 | |
| 31 | void handoff_save_dram(struct spl_handoff *ho); |
| 32 | void handoff_load_dram_size(struct spl_handoff *ho); |
| 33 | void handoff_load_dram_banks(struct spl_handoff *ho); |
| 34 | #endif |
| 35 | |
| 36 | #endif |