From 3f56ad9f72aab28e91212f0f7e4e3a5ef3e6f592 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Ky=C3=B6sti=20M=C3=A4lkki?= Date: Fri, 3 Jan 2020 10:15:03 +0200 Subject: drivers/i2c/i2cmux: Drop unused i2c multiplex MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit There is no documentation what hardware this was compatible with. Change-Id: Ie8832f1d7f4ca2bc8121f84b1ee564403cc69026 Signed-off-by: Kyösti Mälkki Reviewed-on: https://review.coreboot.org/c/coreboot/+/38159 Tested-by: build bot (Jenkins) Reviewed-by: Nico Huber --- src/drivers/i2c/i2cmux/Kconfig | 2 -- src/drivers/i2c/i2cmux/Makefile.inc | 1 - src/drivers/i2c/i2cmux/i2cmux.c | 45 ------------------------------------- 3 files changed, 48 deletions(-) delete mode 100644 src/drivers/i2c/i2cmux/Kconfig delete mode 100644 src/drivers/i2c/i2cmux/Makefile.inc delete mode 100644 src/drivers/i2c/i2cmux/i2cmux.c (limited to 'src/drivers/i2c/i2cmux') diff --git a/src/drivers/i2c/i2cmux/Kconfig b/src/drivers/i2c/i2cmux/Kconfig deleted file mode 100644 index 57bb278395..0000000000 --- a/src/drivers/i2c/i2cmux/Kconfig +++ /dev/null @@ -1,2 +0,0 @@ -config DRIVERS_I2C_I2CMUX - bool diff --git a/src/drivers/i2c/i2cmux/Makefile.inc b/src/drivers/i2c/i2cmux/Makefile.inc deleted file mode 100644 index 64bbdce024..0000000000 --- a/src/drivers/i2c/i2cmux/Makefile.inc +++ /dev/null @@ -1 +0,0 @@ -ramstage-$(CONFIG_DRIVERS_I2C_I2CMUX) += i2cmux.c diff --git a/src/drivers/i2c/i2cmux/i2cmux.c b/src/drivers/i2c/i2cmux/i2cmux.c deleted file mode 100644 index 42b9d31057..0000000000 --- a/src/drivers/i2c/i2cmux/i2cmux.c +++ /dev/null @@ -1,45 +0,0 @@ -/* - * This file is part of the coreboot project. - * - * 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 -#include - -static void i2cmux_set_link(struct device *dev, unsigned int link) -{ - if (dev->enabled && dev->path.type == DEVICE_PATH_I2C) { - if (ops_smbus_bus(get_pbus_smbus(dev))) { - smbus_write_byte(dev, 0x01, 1 << link); // output value - smbus_write_byte(dev, 0x03, 0); // all output - } - } -} - -static struct device_operations i2cmux_operations = { - .read_resources = DEVICE_NOOP, - .set_resources = DEVICE_NOOP, - .enable_resources = DEVICE_NOOP, - .init = DEVICE_NOOP, - .scan_bus = scan_smbus, - .set_link = i2cmux_set_link, -}; - -static void enable_dev(struct device *dev) -{ - if (dev->link_list != NULL) - dev->ops = &i2cmux_operations; -} - -struct chip_operations drivers_i2c_i2cmux_ops = { - CHIP_NAME("i2cmux") - .enable_dev = enable_dev, -}; -- cgit v1.2.3