ic2/designware: Move Intel i2c logic to shared driver

BUG=b:70232394
BRANCH=none
TEST=emerge-reef coreboot
emerge-glados

Change-Id: Idb453a4d2411163e6b4a8422310bf272eac5d379
Signed-off-by: Chris Ching <chingcodes@chromium.org>
Reviewed-on: https://review.coreboot.org/22822
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Aaron Durbin <adurbin@chromium.org>

1 files changed, 0 insertions, 106 deletions

diff --git a/src/soc/intel/common/block/include/intelblocks/lpss_i2c.h b/src/soc/intel/common/block/include/intelblocks/lpss_i2c.h
deleted file mode 100644
index 033081f4b9..0000000000
--- a/src/soc/intel/common/block/include/intelblocks/lpss_i2c.h
+++ /dev/null
@@ -1,106 +0,0 @@
-/*
- * This file is part of the coreboot project.
- *
- * Copyright 2016 Google 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.
- */
-
-#ifndef SOC_INTEL_COMMON_BLOCK_LPSS_I2C_H
-#define SOC_INTEL_COMMON_BLOCK_LPSS_I2C_H
-
-#include <device/device.h>
-#include <device/i2c.h>
-#include <stdint.h>
-
-/*
- * Timing values are in units of clock period, with the clock speed
- * provided by the SOC in CONFIG_SOC_INTEL_COMMON_LPSS_CLOCK_MHZ.
- * Automatic configuration is done based on requested speed, but the
- * values may need tuned depending on the board and the number of
- * devices present on the bus.
- */
-struct lpss_i2c_speed_config {
-	enum i2c_speed speed;
-	/* SCL high and low period count */
-	uint16_t scl_lcnt;
-	uint16_t scl_hcnt;
-	/*
-	 * SDA hold time should be 300ns in standard and fast modes
-	 * and long enough for deterministic logic level change in
-	 * fast-plus and high speed modes.
-	 *
-	 *  [15:0] SDA TX Hold Time
-	 * [23:16] SDA RX Hold Time
-	 */
-	uint32_t sda_hold;
-};
-
-/*
- * This I2C controller has support for 3 independent speed configs but can
- * support both FAST_PLUS and HIGH speeds through the same set of speed
- * config registers.  These are treated separately so the speed config values
- * can be provided via ACPI to the OS.
- */
-#define LPSS_I2C_SPEED_CONFIG_COUNT	4
-
-struct lpss_i2c_bus_config {
-	/* Bus should be enabled prior to ramstage with temporary base */
-	int early_init;
-	/* Bus speed in Hz, default is I2C_SPEED_FAST (400 KHz) */
-	enum i2c_speed speed;
-	/* If rise_time_ns is non-zero the calculations for lcnt and hcnt
-	 * registers take into account the times of the bus. However, if
-	 * there is a match in speed_config those register values take
-	 * precedence. */
-	int rise_time_ns;
-	int fall_time_ns;
-	int data_hold_time_ns;
-	/* Specific bus speed configuration */
-	struct lpss_i2c_speed_config speed_config[LPSS_I2C_SPEED_CONFIG_COUNT];
-};
-
-#define LPSS_I2C_SPEED_CONFIG(speedval, lcnt, hcnt, hold)	\
-	{							\
-		.speed = I2C_SPEED_ ## speedval,		\
-		.scl_lcnt = (lcnt),				\
-		.scl_hcnt = (hcnt),				\
-		.sda_hold = (hold),				\
-	}
-
-/* Functions to be implemented by SoC code */
-
-/* Get base address for early init of I2C controllers. */
-uintptr_t i2c_get_soc_early_base(unsigned int bus);
-
-/*
- * Map given I2C bus number to devfn.
- * Return value:
- * -1 = error
- * otherwise, devfn(>=0) corresponding to I2C bus number.
- */
-int i2c_soc_devfn_to_bus(unsigned int devfn);
-
-/*
- * Map given bus number to a I2C Controller.
- * Return value:
- * -1 = error
- * otherwise, devfn(>=0) corresponding to I2C bus number.
- */
-int i2c_soc_bus_to_devfn(unsigned int bus);
-
-/*
- * SoC implemented callback for getting I2C bus configuration.
- *
- * Returns NULL if i2c config is not found
- */
-const struct lpss_i2c_bus_config *i2c_get_soc_cfg(unsigned int bus,
-						const struct device *dev);
-#endif /* SOC_INTEL_COMMON_BLOCK_LPSS_I2C_H */