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Diffstat (limited to 'src/mainboard/amd/bettong/boardid.c')
-rw-r--r-- | src/mainboard/amd/bettong/boardid.c | 48 |
1 files changed, 0 insertions, 48 deletions
diff --git a/src/mainboard/amd/bettong/boardid.c b/src/mainboard/amd/bettong/boardid.c deleted file mode 100644 index 21d0476204..0000000000 --- a/src/mainboard/amd/bettong/boardid.c +++ /dev/null @@ -1,48 +0,0 @@ -/* - * This file is part of the coreboot project. - * - * Copyright (C) 2015 Advanced Micro Devices, Inc. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; version 2 of the License. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - */ - -#include <stdint.h> -#include <amdblocks/acpimmio.h> -#include <device/mmio.h> -#include <southbridge/amd/common/amd_defs.h> -#include <boardid.h> - -/** - *Bettong uses 3 GPIO(5-7) pins to identify board. - *The GPIO ports are mapped to MMIO space. - *The GPIO value and board version are mapped as follow: - *GPIO5 GPIO6 GPIO7 Version - * 0 0 0 A - * 0 0 1 B - * ...... - * 1 1 1 H - */ -uint32_t board_id(void) -{ - u8 value = 0; - u8 boardrev = 0; - char boardid; - - value = gpio0_read8((7 << 2) + 2); /* agpio7: board_id2 */ - boardrev = value & 1; - value = gpio0_read8((6 << 2) + 2); /* agpio6: board_id1 */ - boardrev |= (value & 1) << 1; - value = gpio0_read8((5 << 2) + 2); /* agpio5: board_id0 */ - boardrev |= (value & 1) << 2; - - boardid = 'A' + boardrev; - - return boardid; -} |