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Diffstat (limited to 'board/sandburst/common/ppc440gx_i2c.h')
-rw-r--r--board/sandburst/common/ppc440gx_i2c.h64
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diff --git a/board/sandburst/common/ppc440gx_i2c.h b/board/sandburst/common/ppc440gx_i2c.h
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+/*
+ * Copyright (C) 2005 Sandburst Corporation
+ *
+ * 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
+ */
+
+/*
+ * Ported from i2c driver for ppc4xx by AS HARNOIS by
+ * Travis B. Sawyer
+ * Sandburst Corporation
+ */
+#include <common.h>
+#include <ppc4xx.h>
+#if defined(CONFIG_440)
+# include <440_i2c.h>
+#else
+# include <405gp_i2c.h>
+#endif
+#include <i2c.h>
+
+#ifdef CONFIG_HARD_I2C
+
+#define I2C_BUS1_BASE_ADDR (CFG_PERIPHERAL_BASE + 0x00000500)
+#define I2C_REGISTERS_BUS1_BASE_ADDRESS I2C_BUS1_BASE_ADDR
+#define IIC_MDBUF1 (I2C_REGISTERS_BUS1_BASE_ADDRESS+IICMDBUF)
+#define IIC_SDBUF1 (I2C_REGISTERS_BUS1_BASE_ADDRESS+IICSDBUF)
+#define IIC_LMADR1 (I2C_REGISTERS_BUS1_BASE_ADDRESS+IICLMADR)
+#define IIC_HMADR1 (I2C_REGISTERS_BUS1_BASE_ADDRESS+IICHMADR)
+#define IIC_CNTL1 (I2C_REGISTERS_BUS1_BASE_ADDRESS+IICCNTL)
+#define IIC_MDCNTL1 (I2C_REGISTERS_BUS1_BASE_ADDRESS+IICMDCNTL)
+#define IIC_STS1 (I2C_REGISTERS_BUS1_BASE_ADDRESS+IICSTS)
+#define IIC_EXTSTS1 (I2C_REGISTERS_BUS1_BASE_ADDRESS+IICEXTSTS)
+#define IIC_LSADR1 (I2C_REGISTERS_BUS1_BASE_ADDRESS+IICLSADR)
+#define IIC_HSADR1 (I2C_REGISTERS_BUS1_BASE_ADDRESS+IICHSADR)
+#define IIC_CLKDIV1 (I2C_REGISTERS_BUS1_BASE_ADDRESS+IICCLKDIV)
+#define IIC_INTRMSK1 (I2C_REGISTERS_BUS1_BASE_ADDRESS+IICINTRMSK)
+#define IIC_XFRCNT1 (I2C_REGISTERS_BUS1_BASE_ADDRESS+IICXFRCNT)
+#define IIC_XTCNTLSS1 (I2C_REGISTERS_BUS1_BASE_ADDRESS+IICXTCNTLSS)
+#define IIC_DIRECTCNTL1 (I2C_REGISTERS_BUS1_BASE_ADDRESS+IICDIRECTCNTL)
+
+void i2c1_init (int speed, int slaveadd);
+int i2c_probe1 (uchar chip);
+int i2c_read1 (uchar chip, uint addr, int alen, uchar * buffer, int len);
+int i2c_write1 (uchar chip, uint addr, int alen, uchar * buffer, int len);
+uchar i2c_reg_read1(uchar i2c_addr, uchar reg);
+void i2c_reg_write1(uchar i2c_addr, uchar reg, uchar val);
+
+#endif /* CONFIG_HARD_I2C */