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David Brazdil0dbb41f2019-09-09 18:03:35 +01001/*
2 * Copyright 2019 The Hafnium Authors.
3 *
Andrew Walbrane959ec12020-06-17 15:01:09 +01004 * Use of this source code is governed by a BSD-style
5 * license that can be found in the LICENSE file or at
6 * https://opensource.org/licenses/BSD-3-Clause.
David Brazdil0dbb41f2019-09-09 18:03:35 +01007 */
8
9#include "hf/boot_flow.h"
10#include "hf/dlog.h"
11#include "hf/fdt_handler.h"
12#include "hf/plat/boot_flow.h"
13
14/**
Andrew Scullc3771072019-09-19 13:30:42 +010015 * Extract the boot parameters from the FDT and the boot-flow driver.
16 */
David Brazdilb856be62020-03-25 10:14:55 +000017bool boot_flow_get_params(struct boot_params *p, const struct fdt *fdt)
Andrew Scullc3771072019-09-19 13:30:42 +010018{
Andrew Scull6c9a4ab2020-01-27 17:09:12 +000019 struct string memory = STRING_INIT("memory");
Olivier Deprez05046922023-03-09 15:48:40 +010020 struct string ns_memory = STRING_INIT("ns-memory");
Andrew Scull48929fd2020-01-28 10:39:10 +000021 struct string device_memory = STRING_INIT("device-memory");
Andrew Scull6c9a4ab2020-01-27 17:09:12 +000022
Andrew Scullc3771072019-09-19 13:30:42 +010023 p->mem_ranges_count = 0;
24 p->kernel_arg = plat_boot_flow_get_kernel_arg();
25
David Brazdilb856be62020-03-25 10:14:55 +000026 return plat_boot_flow_get_initrd_range(fdt, &p->initrd_begin,
Andrew Scullc3771072019-09-19 13:30:42 +010027 &p->initrd_end) &&
David Brazdilb856be62020-03-25 10:14:55 +000028 fdt_find_cpus(fdt, p->cpu_ids, &p->cpu_count) &&
29 fdt_find_memory_ranges(fdt, &memory, p->mem_ranges,
Andrew Scull48929fd2020-01-28 10:39:10 +000030 &p->mem_ranges_count, MAX_MEM_RANGES) &&
David Brazdilb856be62020-03-25 10:14:55 +000031 fdt_find_memory_ranges(fdt, &device_memory, p->device_mem_ranges,
32 &p->device_mem_ranges_count,
Olivier Deprez05046922023-03-09 15:48:40 +010033 MAX_DEVICE_MEM_RANGES) &&
34 fdt_find_memory_ranges(fdt, &ns_memory, p->ns_mem_ranges,
35 &p->ns_mem_ranges_count, MAX_MEM_RANGES);
Andrew Scullc3771072019-09-19 13:30:42 +010036}
37
38/**
Andrew Scullc3771072019-09-19 13:30:42 +010039 * Takes action on any updates that were generated.
40 */
41bool boot_flow_update(struct mm_stage1_locked stage1_locked,
David Brazdile6f83222019-09-23 14:47:37 +010042 const struct manifest *manifest,
Andrew Scull9c251d32019-09-19 13:30:42 +010043 struct boot_params_update *p, struct memiter *cpio,
44 struct mpool *ppool)
Andrew Scullc3771072019-09-19 13:30:42 +010045{
David Brazdile6f83222019-09-23 14:47:37 +010046 return plat_boot_flow_update(stage1_locked, manifest, p, cpio, ppool);
Andrew Scullc3771072019-09-19 13:30:42 +010047}