diff options
Diffstat (limited to 'chip/npcx/i2c-npcx7.c')
-rw-r--r-- | chip/npcx/i2c-npcx7.c | 70 |
1 files changed, 0 insertions, 70 deletions
diff --git a/chip/npcx/i2c-npcx7.c b/chip/npcx/i2c-npcx7.c deleted file mode 100644 index 3f27aff49e..0000000000 --- a/chip/npcx/i2c-npcx7.c +++ /dev/null @@ -1,70 +0,0 @@ -/* Copyright 2017 The Chromium OS Authors. All rights reserved. - * Use of this source code is governed by a BSD-style license that can be - * found in the LICENSE file. - */ - -/* I2C module driver depends on chip series for Chrome EC */ - -#include "common.h" -#include "i2c.h" -#include "i2c_chip.h" -#include "registers.h" -#include "util.h" - -/*****************************************************************************/ -/* IC specific low-level driver depends on chip series */ - -int i2c_port_to_controller(int port) -{ - if (port < 0 || port >= I2C_PORT_COUNT) - return -1; - - if (port <= NPCX_I2C_PORT3_0) - return port; -#ifndef NPCX_PSL_MODE_SUPPORT - else if (port == NPCX_I2C_PORT4_0) - return 4; -#endif - else /* If port >= NPCX_I2C_PORT4_1 */ - return 4 + ((port - NPCX_I2C_PORT4_1 + 1) / 2); -} - -void i2c_select_port(int port) -{ - /* Only I2C 4/5/6 have multiple ports in series npcx7 */ - if (port <= NPCX_I2C_PORT3_0 || port >= NPCX_I2C_PORT7_0) - return; - /* Select I2C ports for the same controller */ - else if (port <= NPCX_I2C_PORT4_1) { - UPDATE_BIT(NPCX_GLUE_SMBSEL, NPCX_SMBSEL_SMB4SEL, - (port == NPCX_I2C_PORT4_1)); - } else if (port <= NPCX_I2C_PORT5_1) { - UPDATE_BIT(NPCX_GLUE_SMBSEL, NPCX_SMBSEL_SMB5SEL, - (port == NPCX_I2C_PORT5_1)); - } else { - UPDATE_BIT(NPCX_GLUE_SMBSEL, NPCX_SMBSEL_SMB6SEL, - (port == NPCX_I2C_PORT6_1)); - } -} - -int i2c_is_raw_mode(int port) -{ - int group, bit; - - if (port == NPCX_I2C_PORT4_1 || port == NPCX_I2C_PORT5_1 || - port == NPCX_I2C_PORT6_1) { - group = 6; - bit = 7 - (port - NPCX_I2C_PORT4_1) / 2; - } else { - group = 2; - if (port <= NPCX_I2C_PORT3_0) - bit = 2 * port; - else - bit = I2C_PORT_COUNT - port; - } - - if (IS_BIT_SET(NPCX_DEVALT(group), bit)) - return 0; - else - return 1; -} |