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x86: edison: Bring minimal ACPI support to the board

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This board is based on Intel Tangier SoC (Intel Merrifield platform)
and may utilize ACPI powerfulness.

Bring minimum support by appending initial DSDT table for it.

Note, the addresses for generated tables are carefully chosen to avoid
any conflicts with existing shadowed BIOS data. The user have somewhat
like ~31 kB available for compiled ACPI tables that ought to be enough.

Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
This commit is contained in:
Andy Shevchenko
2017-10-03 14:55:08 +03:00
committed by Bin Meng
parent 39665beed6
commit 256df1e1c6
5 changed files with 26 additions and 0 deletions
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3
include/configs/edison.h
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@@ -9,6 +9,9 @@
#include <asm/ibmpc.h>
/* ACPI */
#define CONFIG_LAST_STAGE_INIT
/* Boot */
#define CONFIG_BOOTCOMMAND "run bootcmd"