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Diffstat (limited to 'cpu/mpc8220/i2cCore.h')
-rw-r--r--cpu/mpc8220/i2cCore.h103
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diff --git a/cpu/mpc8220/i2cCore.h b/cpu/mpc8220/i2cCore.h
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--- a/cpu/mpc8220/i2cCore.h
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-/*
- * i2cCore.h
- *
- * Prototypes, etc. for the Motorola MPC8220
- * embedded cpu chips
- *
- * 2004 (c) Freescale, Inc.
- * Author: TsiChung Liew <Tsi-Chung.Liew@freescale.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
- */
-#ifndef __INCi2ccoreh
-#define __INCi2ccoreh
-#ifndef __ASSEMBLY__
-/* device types */
-#define I2C_DEVICE_TYPE_EEPROM 0
-#define I2C_EEPROM_ADRS 0xa0
-#define I2C_CTRL_ADRS I2C_EEPROM_ADRS
-#define EEPROM_ADDR0 0xA2 /* on Dimm SPD eeprom */
-#define EEPROM_ADDR1 0xA4 /* on Board SPD eeprom */
-#define EEPROM_ADDR2 0xD2 /* non-standard eeprom - clock generator */
-/* Control Register */
-#define I2C_CTL_EN 0x80 /* I2C Enable */
-#define I2C_CTL_IEN 0x40 /* I2C Interrupt Enable */
-#define I2C_CTL_STA 0x20 /* Master/Slave Mode select */
-#define I2C_CTL_TX 0x10 /* Transmit/Receive Mode Select */
-#define I2C_CTL_TXAK 0x08 /* Transmit Acknowledge Enable */
-#define I2C_CTL_RSTA 0x04 /* Repeat Start */
-/* Status Register */
-#define I2C_STA_CF 0x80 /* Data Transfer */
-#define I2C_STA_AAS 0x40 /* Adressed As Slave */
-#define I2C_STA_BB 0x20 /* Bus Busy */
-#define I2C_STA_AL 0x10 /* Arbitration Lost */
-#define I2C_STA_SRW 0x04 /* Slave Read/Write */
-#define I2C_STA_IF 0x02 /* I2C Interrupt */
-#define I2C_STA_RXAK 0x01 /* Receive Acknowledge */
-/* Interrupt Contol Register */
-#define I2C_INT_BNBE2 0x80 /* Bus Not Busy Enable 2 */
-#define I2C_INT_TE2 0x40 /* Transmit Enable 2 */
-#define I2C_INT_RE2 0x20 /* Receive Enable 2 */
-#define I2C_INT_IE2 0x10 /* Interrupt Enable 2 */
-#define I2C_INT_BNBE1 0x08 /* Bus Not Busy Enable 1 */
-#define I2C_INT_TE1 0x04 /* Transmit Enable 1 */
-#define I2C_INT_RE1 0x02 /* Receive Enable 1 */
-#define I2C_INT_IE1 0x01 /* Interrupt Enable 1 */
-#define I2C_POLL_COUNT 0x100000
-#define I2C_ENABLE 0x00000001
-#define I2C_DISABLE 0x00000002
-#define I2C_START 0x00000004
-#define I2C_REPSTART 0x00000008
-#define I2C_STOP 0x00000010
-#define I2C_BITRATE 0x00000020
-#define I2C_SLAVEADR 0x00000040
-#define I2C_STARTADR 0x00000080
-#undef TWOBYTES
-typedef struct i2c_settings {
- /* Device settings */
- int bit_rate; /* Device bit rate */
- u8 i2c_adr; /* I2C address */
- u8 slv_adr; /* Slave address */
-#ifdef TWOBYTES
- u16 str_adr; /* Start address */
-#else
- u8 str_adr; /* Start address */
-#endif
- int xfer_size; /* Transfer Size */
-
- int bI2c_en; /* Enable or Disable */
- int cmdFlag; /* I2c Command Flags */
-} i2cset_t;
-
-/*
-int check_status(PSI2C pi2c, u8 sta_bit, u8 truefalse);
-int i2c_enable(PSI2C pi2c, PI2CSET pi2cSet);
-int i2c_disable(PSI2C pi2c);
-int i2c_start(PSI2C pi2c, PI2CSET pi2cSet);
-int i2c_stop(PSI2C pi2c);
-int i2c_clear(PSI2C pi2c);
-int i2c_readblock (PSI2C pi2c, PI2CSET pi2cSet, u8 *Data);
-int i2c_writeblock (PSI2C pi2c, PI2CSET pi2cSet, u8 *Data);
-int i2c_readbyte(PSI2C pi2c, u8 *readb, int *index);
-int i2c_writebyte(PSI2C pi2c, u8 *writeb);
-int SetI2cFDR( PSI2C pi2cRegs, int bitrate );
-*/
-#endif /* __ASSEMBLY__ */
-
-#endif /* __INCi2ccoreh */