ppc4xx: Move ppc4xx headers to powerpc include directory

This patch moves some ppc4xx related headers from the common include
directory (include/) to the powerpc specific one
(arch/powerpc/include/asm/). This way to common include directory is not
so cluttered with files.

Signed-off-by: Stefan Roese <sr@denx.de>

1 files changed, 127 insertions, 0 deletions

diff --git a/arch/powerpc/include/asm/ppc4xx-i2c.h b/arch/powerpc/include/asm/ppc4xx-i2c.h
new file mode 100644
index 0000000..0c6c926
--- /dev/null
+++ b/arch/powerpc/include/asm/ppc4xx-i2c.h
@@ -0,0 +1,127 @@
+/*
+ * (C) Copyright 2007-2009
+ * Stefan Roese, DENX Software Engineering, sr@denx.de.
+ *
+ * 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 _4xx_i2c_h_
+#define _4xx_i2c_h_
+
+#define IIC_OK		0
+#define IIC_NOK		1
+#define IIC_NOK_LA	2		/* Lost arbitration */
+#define IIC_NOK_ICT	3		/* Incomplete transfer */
+#define IIC_NOK_XFRA	4		/* Transfer aborted */
+#define IIC_NOK_DATA	5		/* No data in buffer */
+#define IIC_NOK_TOUT	6		/* Transfer timeout */
+
+#define IIC_TIMEOUT	1		/* 1 second */
+
+#if defined(CONFIG_I2C_MULTI_BUS)
+#define I2C_BUS_OFFS	(i2c_bus_num * 0x100)
+#else
+#define I2C_BUS_OFFS	(0x000)
+#endif /* CONFIG_I2C_MULTI_BUS */
+
+#if defined(CONFIG_440EP) || defined(CONFIG_440GR) || \
+    defined(CONFIG_440EPX) || defined(CONFIG_440GRX) || \
+    defined(CONFIG_460EX) || defined(CONFIG_460GT)
+#define I2C_BASE_ADDR	(CONFIG_SYS_PERIPHERAL_BASE + 0x00000700 + I2C_BUS_OFFS)
+#elif defined(CONFIG_440) || defined(CONFIG_405EX)
+/* all remaining 440 variants */
+#define I2C_BASE_ADDR	(CONFIG_SYS_PERIPHERAL_BASE + 0x00000400 + I2C_BUS_OFFS)
+#else
+/* all 405 variants */
+#define I2C_BASE_ADDR	(0xEF600500 + I2C_BUS_OFFS)
+#endif
+
+struct ppc4xx_i2c {
+	u8 mdbuf;
+	u8 res1;
+	u8 sdbuf;
+	u8 res2;
+	u8 lmadr;
+	u8 hmadr;
+	u8 cntl;
+	u8 mdcntl;
+	u8 sts;
+	u8 extsts;
+	u8 lsadr;
+	u8 hsadr;
+	u8 clkdiv;
+	u8 intrmsk;
+	u8 xfrcnt;
+	u8 xtcntlss;
+	u8 directcntl;
+	u8 intr;
+};
+
+/* MDCNTL Register Bit definition */
+#define IIC_MDCNTL_HSCL		0x01
+#define IIC_MDCNTL_EUBS		0x02
+#define IIC_MDCNTL_EINT		0x04
+#define IIC_MDCNTL_ESM		0x08
+#define IIC_MDCNTL_FSM		0x10
+#define IIC_MDCNTL_EGC		0x20
+#define IIC_MDCNTL_FMDB		0x40
+#define IIC_MDCNTL_FSDB		0x80
+
+/* CNTL Register Bit definition */
+#define IIC_CNTL_PT		0x01
+#define IIC_CNTL_READ		0x02
+#define IIC_CNTL_CHT		0x04
+#define IIC_CNTL_RPST		0x08
+/* bit 2/3 for Transfer count*/
+#define IIC_CNTL_AMD		0x40
+#define IIC_CNTL_HMT		0x80
+
+/* STS Register Bit definition */
+#define IIC_STS_PT		0x01
+#define IIC_STS_IRQA		0x02
+#define IIC_STS_ERR		0x04
+#define IIC_STS_SCMP		0x08
+#define IIC_STS_MDBF		0x10
+#define IIC_STS_MDBS		0x20
+#define IIC_STS_SLPR		0x40
+#define IIC_STS_SSS		0x80
+
+/* EXTSTS Register Bit definition */
+#define IIC_EXTSTS_XFRA		0x01
+#define IIC_EXTSTS_ICT		0x02
+#define IIC_EXTSTS_LA		0x04
+
+/* XTCNTLSS Register Bit definition */
+#define IIC_XTCNTLSS_SRST	0x01
+#define IIC_XTCNTLSS_EPI	0x02
+#define IIC_XTCNTLSS_SDBF	0x04
+#define IIC_XTCNTLSS_SBDD	0x08
+#define IIC_XTCNTLSS_SWS	0x10
+#define IIC_XTCNTLSS_SWC	0x20
+#define IIC_XTCNTLSS_SRS	0x40
+#define IIC_XTCNTLSS_SRC	0x80
+
+/* IICx_DIRECTCNTL register */
+#define IIC_DIRCNTL_SDAC	0x08
+#define IIC_DIRCNTL_SCC		0x04
+#define IIC_DIRCNTL_MSDA	0x02
+#define IIC_DIRCNTL_MSC		0x01
+
+#define DIRCTNL_FREE(v)		(((v) & 0x0f) == 0x0f)
+#endif