[coreboot-gerrit] New patch to review for coreboot: d1abcaf replace device/i2c.h with simpler version
David Hendricks (dhendrix@chromium.org)
gerrit at coreboot.org
Tue Apr 9 03:02:46 CEST 2013
David Hendricks (dhendrix at chromium.org) just uploaded a new patch set to gerrit, which you can find at http://review.coreboot.org/3043
-gerrit
commit d1abcaf4cf804120ae8b54256165c8df1515e83f
Author: David Hendricks <dhendrix at chromium.org>
Date: Fri Apr 5 13:42:39 2013 -0700
replace device/i2c.h with simpler version
The existing header was imported along with the Exynos code and left
mostly unchanged. This is the first patch in a series intended to
replace the imported u-boot I2C API with a much simpler and cleaner
interface:
- We only need to expose i2c_read() and i2c_write() in our public API.
Everything else is board/chip-dependent and should remain hidden
away.
- i2c_read and i2c_write functions will take bus number as an arg
and we'll eliminate i2c_get_bus and i2c_set_bus. Those are prone to
error and end up cluttering the code since the user needs to save
the old bus number, set the new one, do the read/write, and restore
the old value (3 added steps to do a simple transaction).
- Stop setting default values for board-specific things like SPD
and RTC bus numbers (as if we always have an SPD or RTC on I2C).
- Death to all the trivial inline wrappers. And in case there was any
doubt, we really don't care about the MPC8xx. Though if we did then
we would not pollute the public API with its idiosyncrasies.
Change-Id: I4410a3c82ed5a6b2e80e3d8c0163464a9ca7c3b0
Signed-off-by: David Hendricks <dhendrix at chromium.org>
---
src/cpu/samsung/exynos5-common/exynos-fb.c | 2 +-
src/cpu/samsung/exynos5-common/i2c.c | 2 +-
src/drivers/maxim/max77686/max77686.c | 2 +-
src/include/device/i2c-old.h | 281 +++++++++++++++++++++++++++++
src/include/device/i2c.h | 280 ++--------------------------
src/mainboard/google/snow/romstage.c | 2 +-
6 files changed, 299 insertions(+), 270 deletions(-)
diff --git a/src/cpu/samsung/exynos5-common/exynos-fb.c b/src/cpu/samsung/exynos5-common/exynos-fb.c
index 30d0767..d3710a3 100644
--- a/src/cpu/samsung/exynos5-common/exynos-fb.c
+++ b/src/cpu/samsung/exynos5-common/exynos-fb.c
@@ -33,7 +33,7 @@
#include <cpu/samsung/exynos5250/sysreg.h>
#include <drivers/maxim/max77686/max77686.h>
-#include "device/i2c.h"
+#include "device/i2c-old.h"
#include "cpu/samsung/exynos5-common/i2c.h"
#include "cpu/samsung/exynos5250/dsim.h"
#include "cpu/samsung/exynos5250/fimd.h"
diff --git a/src/cpu/samsung/exynos5-common/i2c.c b/src/cpu/samsung/exynos5-common/i2c.c
index 7384b50..c531530 100644
--- a/src/cpu/samsung/exynos5-common/i2c.c
+++ b/src/cpu/samsung/exynos5-common/i2c.c
@@ -36,7 +36,7 @@
#include "cpu/samsung/exynos5250/pinmux.h"
//#include <fdtdec.h>
-#include "device/i2c.h"
+#include "device/i2c-old.h"
#include "i2c.h"
#define I2C_WRITE 0
diff --git a/src/drivers/maxim/max77686/max77686.c b/src/drivers/maxim/max77686/max77686.c
index 16fa7f5..2cac4df 100644
--- a/src/drivers/maxim/max77686/max77686.c
+++ b/src/drivers/maxim/max77686/max77686.c
@@ -24,7 +24,7 @@
#include <arch/io.h>
#include <common.h>
//#include <smbus.h>
-#include <device/i2c.h>
+#include <device/i2c-old.h>
#include "max77686.h"
diff --git a/src/include/device/i2c-old.h b/src/include/device/i2c-old.h
new file mode 100644
index 0000000..bd6dd0c
--- /dev/null
+++ b/src/include/device/i2c-old.h
@@ -0,0 +1,281 @@
+/*
+ * (C) Copyright 2001
+ * Gerald Van Baren, Custom IDEAS, vanbaren at cideas.com.
+ *
+ * See file CREDITS for list of people who contributed to this
+ * 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; 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.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ *
+ * The original I2C interface was
+ * (C) 2000 by Paolo Scaffardi (arsenio at tin.it)
+ * AIRVENT SAM s.p.a - RIMINI(ITALY)
+ * but has been changed substantially.
+ */
+
+#ifndef _I2C_H_
+#define _I2C_H_
+
+/*
+ * WARNING WARNING WARNING WARNING WARNING WARNING WARNING WARNING
+ *
+ * The implementation MUST NOT use static or global variables if the
+ * I2C routines are used to read SDRAM configuration information
+ * because this is done before the memories are initialized. Limited
+ * use of stack-based variables are OK (the initial stack size is
+ * limited).
+ *
+ * WARNING WARNING WARNING WARNING WARNING WARNING WARNING WARNING
+ */
+
+/*
+ * Configuration items.
+ */
+#define I2C_RXTX_LEN 128 /* maximum tx/rx buffer length */
+
+#ifdef CONFIG_I2C_MULTI_BUS
+#define MAX_I2C_BUS 2
+#define I2C_MULTI_BUS 1
+#else
+#define MAX_I2C_BUS 1
+#define I2C_MULTI_BUS 0
+#endif
+
+#if !defined(CONFIG_SYS_MAX_I2C_BUS)
+#define CONFIG_SYS_MAX_I2C_BUS MAX_I2C_BUS
+#endif
+
+/* define the I2C bus number for RTC and DTT if not already done */
+#if !defined(CONFIG_SYS_RTC_BUS_NUM)
+#define CONFIG_SYS_RTC_BUS_NUM 0
+#endif
+#if !defined(CONFIG_SYS_DTT_BUS_NUM)
+#define CONFIG_SYS_DTT_BUS_NUM 0
+#endif
+#if !defined(CONFIG_SYS_SPD_BUS_NUM)
+#define CONFIG_SYS_SPD_BUS_NUM 0
+#endif
+
+#ifndef I2C_SOFT_DECLARATIONS
+# if defined(CONFIG_MPC8260)
+# define I2C_SOFT_DECLARATIONS volatile ioport_t *iop = ioport_addr((immap_t *)CONFIG_SYS_IMMR, I2C_PORT);
+# elif defined(CONFIG_8xx)
+# define I2C_SOFT_DECLARATIONS volatile immap_t *immr = (immap_t *)CONFIG_SYS_IMMR;
+
+# elif (defined(CONFIG_AT91RM9200) || \
+ defined(CONFIG_AT91SAM9260) || defined(CONFIG_AT91SAM9261) || \
+ defined(CONFIG_AT91SAM9263)) && !defined(CONFIG_AT91_LEGACY)
+# define I2C_SOFT_DECLARATIONS at91_pio_t *pio = (at91_pio_t *) ATMEL_BASE_PIOA;
+# else
+# define I2C_SOFT_DECLARATIONS
+# endif
+#endif
+
+#ifdef CONFIG_8xx
+/* Set default value for the I2C bus speed on 8xx. In the
+ * future, we'll define these in all 8xx board config files.
+ */
+#ifndef CONFIG_SYS_I2C_SPEED
+#define CONFIG_SYS_I2C_SPEED 50000
+#endif
+#endif
+
+/*
+ * Many boards/controllers/drivers don't support an I2C slave interface so
+ * provide a default slave address for them for use in common code. A real
+ * value for CONFIG_SYS_I2C_SLAVE should be defined for any board which does
+ * support a slave interface.
+ */
+#ifndef CONFIG_SYS_I2C_SLAVE
+#define CONFIG_SYS_I2C_SLAVE 0xfe
+#endif
+
+/*
+ * Initialization, must be called once on start up, may be called
+ * repeatedly to change the speed and slave addresses.
+ */
+void i2c_init(int speed, int slaveaddr);
+void i2c_init_board(void);
+#ifdef CONFIG_SYS_I2C_BOARD_LATE_INIT
+void i2c_board_late_init(void);
+#endif
+
+#if defined(CONFIG_I2C_MUX)
+
+typedef struct _mux {
+ unsigned char chip;
+ unsigned char channel;
+ char *name;
+ struct _mux *next;
+} I2C_MUX;
+
+typedef struct _mux_device {
+ int busid;
+ I2C_MUX *mux; /* List of muxes, to reach the device */
+ struct _mux_device *next;
+} I2C_MUX_DEVICE;
+
+I2C_MUX_DEVICE *i2c_mux_search_device(int id);
+I2C_MUX_DEVICE *i2c_mux_ident_muxstring (unsigned char *buf);
+int i2x_mux_select_mux(int bus);
+int i2c_mux_ident_muxstring_f (unsigned char *buf);
+#endif
+
+/*
+ * Probe the given I2C chip address. Returns 0 if a chip responded,
+ * not 0 on failure.
+ */
+int i2c_probe(unsigned char chip);
+
+/*
+ * Read/Write interface:
+ * chip: I2C chip address, range 0..127
+ * addr: Memory (register) address within the chip
+ * alen: Number of bytes to use for addr (typically 1, 2 for larger
+ * memories, 0 for register type devices with only one
+ * register)
+ * buffer: Where to read/write the data
+ * len: How many bytes to read/write
+ *
+ * Returns: 0 on success, not 0 on failure
+ */
+int i2c_read(unsigned char chip, unsigned int addr, int alen,
+ unsigned char *buffer, int len);
+int i2c_write(unsigned char chip, unsigned int addr, int alen,
+ unsigned char *buffer, int len);
+
+/*
+ * Utility routines to read/write registers.
+ */
+static inline u8 i2c_reg_read(u8 addr, u8 reg)
+{
+ u8 buf;
+
+#ifdef CONFIG_8xx
+ /* MPC8xx needs this. Maybe one day we can get rid of it. */
+ i2c_init(CONFIG_SYS_I2C_SPEED, CONFIG_SYS_I2C_SLAVE);
+#endif
+
+#ifdef DEBUG
+ printf("%s: addr=0x%02x, reg=0x%02x\n", __func__, addr, reg);
+#endif
+
+ i2c_read(addr, reg, 1, &buf, 1);
+
+ return buf;
+}
+
+static inline void i2c_reg_write(u8 addr, u8 reg, u8 val)
+{
+#ifdef CONFIG_8xx
+ /* MPC8xx needs this. Maybe one day we can get rid of it. */
+ i2c_init(CONFIG_SYS_I2C_SPEED, CONFIG_SYS_I2C_SLAVE);
+#endif
+
+#ifdef DEBUG
+ printf("%s: addr=0x%02x, reg=0x%02x, val=0x%02x\n",
+ __func__, addr, reg, val);
+#endif
+
+ i2c_write(addr, reg, 1, &val, 1);
+}
+
+/*
+ * Functions for setting the current I2C bus and its speed
+ */
+
+/*
+ * i2c_set_bus_num:
+ *
+ * Change the active I2C bus. Subsequent read/write calls will
+ * go to this one.
+ *
+ * bus - bus index, zero based
+ *
+ * Returns: 0 on success, not 0 on failure
+ *
+ */
+int i2c_set_bus_num(unsigned int bus);
+
+/*
+ * i2c_get_bus_num:
+ *
+ * Returns index of currently active I2C bus. Zero-based.
+ */
+
+unsigned int i2c_get_bus_num(void);
+
+/*
+ * i2c_set_bus_speed:
+ *
+ * Change the speed of the active I2C bus
+ *
+ * speed - bus speed in Hz
+ *
+ * Returns: 0 on success, not 0 on failure
+ *
+ */
+int i2c_set_bus_speed(unsigned int);
+
+/*
+ * i2c_get_bus_speed:
+ *
+ * Returns speed of currently active I2C bus in Hz
+ */
+
+unsigned int i2c_get_bus_speed(void);
+
+/* NOTE: These two functions MUST be always_inline to avoid code growth! */
+static inline unsigned int I2C_GET_BUS(void) __attribute__((always_inline));
+static inline unsigned int I2C_GET_BUS(void)
+{
+ return I2C_MULTI_BUS ? i2c_get_bus_num() : 0;
+}
+
+static inline void I2C_SET_BUS(unsigned int bus) __attribute__((always_inline));
+static inline void I2C_SET_BUS(unsigned int bus)
+{
+ if (I2C_MULTI_BUS)
+ i2c_set_bus_num(bus);
+}
+
+/*
+ * Set an early register base for a given i2c peripheral.
+ * This is used to access a single i2c bus early on in the boot sequence.
+ *
+ * @param base: The base address of the i2c peripheral's register map
+ */
+void i2c_set_early_reg(unsigned int base);
+
+/**
+ * Find the I2C bus number by given a FDT I2C node.
+ *
+ * @param blob Device tree blbo
+ * @param node FDT I2C node to find
+ * @return the number of I2C bus (zero based), or -1 on error
+ */
+int i2c_get_bus_num_fdt(const void *blob, int node);
+
+/**
+ * Reset the I2C bus represented by the given a FDT I2C node.
+ *
+ * @param blob Device tree blbo
+ * @param node FDT I2C node to find
+ * @return 0 if port was reset, -1 if not found
+ */
+int i2c_reset_port_fdt(const void *blob, int node);
+
+#endif /* _I2C_H_ */
diff --git a/src/include/device/i2c.h b/src/include/device/i2c.h
index bd6dd0c..d880a7b 100644
--- a/src/include/device/i2c.h
+++ b/src/include/device/i2c.h
@@ -1,14 +1,11 @@
/*
- * (C) Copyright 2001
- * Gerald Van Baren, Custom IDEAS, vanbaren at cideas.com.
+ * This file is part of the coreboot project.
*
- * See file CREDITS for list of people who contributed to this
- * project.
+ * Copyright (C) 2013 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; either version 2 of
- * the License, or (at your option) any later version.
+ * 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
@@ -17,265 +14,16 @@
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
- * MA 02111-1307 USA
- *
- * The original I2C interface was
- * (C) 2000 by Paolo Scaffardi (arsenio at tin.it)
- * AIRVENT SAM s.p.a - RIMINI(ITALY)
- * but has been changed substantially.
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA, 02110-1301 USA
*/
-#ifndef _I2C_H_
-#define _I2C_H_
-
-/*
- * WARNING WARNING WARNING WARNING WARNING WARNING WARNING WARNING
- *
- * The implementation MUST NOT use static or global variables if the
- * I2C routines are used to read SDRAM configuration information
- * because this is done before the memories are initialized. Limited
- * use of stack-based variables are OK (the initial stack size is
- * limited).
- *
- * WARNING WARNING WARNING WARNING WARNING WARNING WARNING WARNING
- */
-
-/*
- * Configuration items.
- */
-#define I2C_RXTX_LEN 128 /* maximum tx/rx buffer length */
-
-#ifdef CONFIG_I2C_MULTI_BUS
-#define MAX_I2C_BUS 2
-#define I2C_MULTI_BUS 1
-#else
-#define MAX_I2C_BUS 1
-#define I2C_MULTI_BUS 0
-#endif
-
-#if !defined(CONFIG_SYS_MAX_I2C_BUS)
-#define CONFIG_SYS_MAX_I2C_BUS MAX_I2C_BUS
-#endif
-
-/* define the I2C bus number for RTC and DTT if not already done */
-#if !defined(CONFIG_SYS_RTC_BUS_NUM)
-#define CONFIG_SYS_RTC_BUS_NUM 0
-#endif
-#if !defined(CONFIG_SYS_DTT_BUS_NUM)
-#define CONFIG_SYS_DTT_BUS_NUM 0
-#endif
-#if !defined(CONFIG_SYS_SPD_BUS_NUM)
-#define CONFIG_SYS_SPD_BUS_NUM 0
-#endif
-
-#ifndef I2C_SOFT_DECLARATIONS
-# if defined(CONFIG_MPC8260)
-# define I2C_SOFT_DECLARATIONS volatile ioport_t *iop = ioport_addr((immap_t *)CONFIG_SYS_IMMR, I2C_PORT);
-# elif defined(CONFIG_8xx)
-# define I2C_SOFT_DECLARATIONS volatile immap_t *immr = (immap_t *)CONFIG_SYS_IMMR;
-
-# elif (defined(CONFIG_AT91RM9200) || \
- defined(CONFIG_AT91SAM9260) || defined(CONFIG_AT91SAM9261) || \
- defined(CONFIG_AT91SAM9263)) && !defined(CONFIG_AT91_LEGACY)
-# define I2C_SOFT_DECLARATIONS at91_pio_t *pio = (at91_pio_t *) ATMEL_BASE_PIOA;
-# else
-# define I2C_SOFT_DECLARATIONS
-# endif
-#endif
-
-#ifdef CONFIG_8xx
-/* Set default value for the I2C bus speed on 8xx. In the
- * future, we'll define these in all 8xx board config files.
- */
-#ifndef CONFIG_SYS_I2C_SPEED
-#define CONFIG_SYS_I2C_SPEED 50000
-#endif
-#endif
-
-/*
- * Many boards/controllers/drivers don't support an I2C slave interface so
- * provide a default slave address for them for use in common code. A real
- * value for CONFIG_SYS_I2C_SLAVE should be defined for any board which does
- * support a slave interface.
- */
-#ifndef CONFIG_SYS_I2C_SLAVE
-#define CONFIG_SYS_I2C_SLAVE 0xfe
-#endif
-
-/*
- * Initialization, must be called once on start up, may be called
- * repeatedly to change the speed and slave addresses.
- */
-void i2c_init(int speed, int slaveaddr);
-void i2c_init_board(void);
-#ifdef CONFIG_SYS_I2C_BOARD_LATE_INIT
-void i2c_board_late_init(void);
-#endif
-
-#if defined(CONFIG_I2C_MUX)
-
-typedef struct _mux {
- unsigned char chip;
- unsigned char channel;
- char *name;
- struct _mux *next;
-} I2C_MUX;
-
-typedef struct _mux_device {
- int busid;
- I2C_MUX *mux; /* List of muxes, to reach the device */
- struct _mux_device *next;
-} I2C_MUX_DEVICE;
-
-I2C_MUX_DEVICE *i2c_mux_search_device(int id);
-I2C_MUX_DEVICE *i2c_mux_ident_muxstring (unsigned char *buf);
-int i2x_mux_select_mux(int bus);
-int i2c_mux_ident_muxstring_f (unsigned char *buf);
-#endif
-
-/*
- * Probe the given I2C chip address. Returns 0 if a chip responded,
- * not 0 on failure.
- */
-int i2c_probe(unsigned char chip);
-
-/*
- * Read/Write interface:
- * chip: I2C chip address, range 0..127
- * addr: Memory (register) address within the chip
- * alen: Number of bytes to use for addr (typically 1, 2 for larger
- * memories, 0 for register type devices with only one
- * register)
- * buffer: Where to read/write the data
- * len: How many bytes to read/write
- *
- * Returns: 0 on success, not 0 on failure
- */
-int i2c_read(unsigned char chip, unsigned int addr, int alen,
- unsigned char *buffer, int len);
-int i2c_write(unsigned char chip, unsigned int addr, int alen,
- unsigned char *buffer, int len);
-
-/*
- * Utility routines to read/write registers.
- */
-static inline u8 i2c_reg_read(u8 addr, u8 reg)
-{
- u8 buf;
-
-#ifdef CONFIG_8xx
- /* MPC8xx needs this. Maybe one day we can get rid of it. */
- i2c_init(CONFIG_SYS_I2C_SPEED, CONFIG_SYS_I2C_SLAVE);
-#endif
-
-#ifdef DEBUG
- printf("%s: addr=0x%02x, reg=0x%02x\n", __func__, addr, reg);
-#endif
-
- i2c_read(addr, reg, 1, &buf, 1);
-
- return buf;
-}
-
-static inline void i2c_reg_write(u8 addr, u8 reg, u8 val)
-{
-#ifdef CONFIG_8xx
- /* MPC8xx needs this. Maybe one day we can get rid of it. */
- i2c_init(CONFIG_SYS_I2C_SPEED, CONFIG_SYS_I2C_SLAVE);
-#endif
+#ifndef _DEVICE_I2C_H_
+#define _DEVICE_I2C_H_
-#ifdef DEBUG
- printf("%s: addr=0x%02x, reg=0x%02x, val=0x%02x\n",
- __func__, addr, reg, val);
-#endif
-
- i2c_write(addr, reg, 1, &val, 1);
-}
-
-/*
- * Functions for setting the current I2C bus and its speed
- */
-
-/*
- * i2c_set_bus_num:
- *
- * Change the active I2C bus. Subsequent read/write calls will
- * go to this one.
- *
- * bus - bus index, zero based
- *
- * Returns: 0 on success, not 0 on failure
- *
- */
-int i2c_set_bus_num(unsigned int bus);
-
-/*
- * i2c_get_bus_num:
- *
- * Returns index of currently active I2C bus. Zero-based.
- */
-
-unsigned int i2c_get_bus_num(void);
-
-/*
- * i2c_set_bus_speed:
- *
- * Change the speed of the active I2C bus
- *
- * speed - bus speed in Hz
- *
- * Returns: 0 on success, not 0 on failure
- *
- */
-int i2c_set_bus_speed(unsigned int);
-
-/*
- * i2c_get_bus_speed:
- *
- * Returns speed of currently active I2C bus in Hz
- */
-
-unsigned int i2c_get_bus_speed(void);
-
-/* NOTE: These two functions MUST be always_inline to avoid code growth! */
-static inline unsigned int I2C_GET_BUS(void) __attribute__((always_inline));
-static inline unsigned int I2C_GET_BUS(void)
-{
- return I2C_MULTI_BUS ? i2c_get_bus_num() : 0;
-}
-
-static inline void I2C_SET_BUS(unsigned int bus) __attribute__((always_inline));
-static inline void I2C_SET_BUS(unsigned int bus)
-{
- if (I2C_MULTI_BUS)
- i2c_set_bus_num(bus);
-}
-
-/*
- * Set an early register base for a given i2c peripheral.
- * This is used to access a single i2c bus early on in the boot sequence.
- *
- * @param base: The base address of the i2c peripheral's register map
- */
-void i2c_set_early_reg(unsigned int base);
-
-/**
- * Find the I2C bus number by given a FDT I2C node.
- *
- * @param blob Device tree blbo
- * @param node FDT I2C node to find
- * @return the number of I2C bus (zero based), or -1 on error
- */
-int i2c_get_bus_num_fdt(const void *blob, int node);
-
-/**
- * Reset the I2C bus represented by the given a FDT I2C node.
- *
- * @param blob Device tree blbo
- * @param node FDT I2C node to find
- * @return 0 if port was reset, -1 if not found
- */
-int i2c_reset_port_fdt(const void *blob, int node);
+/* note: chip is the 7-bit I2C address */
+int i2c_read(unsigned bus, unsigned chip, unsigned addr,
+ unsigned alen, unsigned char *buf, unsigned len);
+int i2c_write(unsigned bus, unsigned chip, unsigned addr,
+ unsigned alen, unsigned char *buf, unsigned len);
-#endif /* _I2C_H_ */
+#endif /* _DEVICE_I2C_H_ */
diff --git a/src/mainboard/google/snow/romstage.c b/src/mainboard/google/snow/romstage.c
index ca7ba9c..94ca222 100644
--- a/src/mainboard/google/snow/romstage.c
+++ b/src/mainboard/google/snow/romstage.c
@@ -36,7 +36,7 @@
#include <arch/stages.h>
#include <drivers/maxim/max77686/max77686.h>
-#include <device/i2c.h>
+#include <device/i2c-old.h>
#include "mainboard.h"
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