From 983fda8391fa0ccfd4e0fd0bfb5a5e662e07b222 Mon Sep 17 00:00:00 2001
From: wdenk <wdenk>
Date: Thu, 28 Oct 2004 00:09:35 +0000
Subject: Patch by TsiChung Liew, 23 Sep 2004: - add support for MPC8220 CPU -
 Add support for Alaska and Yukon boards

---
 cpu/mpc8220/i2cCore.h | 103 ++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 103 insertions(+)
 create mode 100644 cpu/mpc8220/i2cCore.h

(limited to 'cpu/mpc8220/i2cCore.h')

diff --git a/cpu/mpc8220/i2cCore.h b/cpu/mpc8220/i2cCore.h
new file mode 100644
index 0000000..72783fd
--- /dev/null
+++ b/cpu/mpc8220/i2cCore.h
@@ -0,0 +1,103 @@
+/*
+ * 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 */
-- 
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