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acpi: Add an acpi command

It is useful to dump ACPI tables in U-Boot to see what has been generated.
Add a command to handle this.

To allow the command to find the tables, add a position into the global
data.

Support subcommands to list and dump the tables.

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Wolfgang Wallner <wolfgang.wallner@br-automation.com>
This commit is contained in:
Simon Glass
2020-04-26 09:19:53 -06:00
committed by Bin Meng
parent b38309b737
commit 0b885bcfd9
7 changed files with 277 additions and 0 deletions

View File

@@ -240,6 +240,7 @@ void acpi_setup_base_tables(struct acpi_ctx *ctx, void *start)
/* Align ACPI tables to 16 byte */
acpi_align(ctx);
gd->arch.acpi_start = map_to_sysmem(ctx->current);
/* We need at least an RSDP and an RSDT Table */
ctx->rsdp = ctx->current;