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-rw-r--r--src/include/device/i2c-old.h281
1 files changed, 0 insertions, 281 deletions
diff --git a/src/include/device/i2c-old.h b/src/include/device/i2c-old.h
deleted file mode 100644
index bd6dd0c231..0000000000
--- a/src/include/device/i2c-old.h
+++ /dev/null
@@ -1,281 +0,0 @@
-/*
- * (C) Copyright 2001
- * Gerald Van Baren, Custom IDEAS, vanbaren@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@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_ */
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