diff options
Diffstat (limited to 'src/southbridge/via/common/early_smbus_wait_until_ready.c')
| -rw-r--r-- | src/southbridge/via/common/early_smbus_wait_until_ready.c | 42 |
1 files changed, 0 insertions, 42 deletions
diff --git a/src/southbridge/via/common/early_smbus_wait_until_ready.c b/src/southbridge/via/common/early_smbus_wait_until_ready.c deleted file mode 100644 index 6b189362ec..0000000000 --- a/src/southbridge/via/common/early_smbus_wait_until_ready.c +++ /dev/null @@ -1,42 +0,0 @@ -/* - * This file is part of the coreboot project. - * - * Copyright (C) 2013 Alexandru Gagniuc <mr.nuke.me@gmail.com> - * - * 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, either version 2 of the License, or - * (at your option) any later version. - * - * 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 <arch/io.h> -#include <device/early_smbus.h> - -#include "via_early_smbus.h" - -/** - * \brief Wait for the SMBus to become ready to process a new transaction. - * - * @param smbus_dev The base SMBus IO port - */ -int smbus_wait_until_ready(u32 smbus_dev) -{ - int loops; - - printsmbus("Waiting until SMBus ready\n"); - - /* Loop up to SMBUS_TIMEOUT times, waiting for bit 0 of the - * SMBus Host Status register to go to 0, indicating the operation - * was completed successfully. I don't remember why I did it this way, - * but I think it was because ROMCC was running low on registers */ - loops = 0; - while (smbus_is_busy(smbus_dev) && loops < SMBUS_TIMEOUT) - ++loops; - - return smbus_print_error(smbus_dev, inb(SMBHSTSTAT(smbus_dev)), loops); -} |