X-Git-Url: https://gerrit.opnfv.org/gerrit/gitweb?a=blobdiff_plain;f=qemu%2Froms%2Fu-boot%2Farch%2Fpowerpc%2Finclude%2Fasm%2Fppc4xx-i2c.h;fp=qemu%2Froms%2Fu-boot%2Farch%2Fpowerpc%2Finclude%2Fasm%2Fppc4xx-i2c.h;h=09189cf19bc8f7470ee6f70dbfb764018886b4c9;hb=e44e3482bdb4d0ebde2d8b41830ac2cdb07948fb;hp=0000000000000000000000000000000000000000;hpb=9ca8dbcc65cfc63d6f5ef3312a33184e1d726e00;p=kvmfornfv.git

diff --git a/qemu/roms/u-boot/arch/powerpc/include/asm/ppc4xx-i2c.h b/qemu/roms/u-boot/arch/powerpc/include/asm/ppc4xx-i2c.h
new file mode 100644
index 000000000..09189cf19
--- /dev/null
+++ b/qemu/roms/u-boot/arch/powerpc/include/asm/ppc4xx-i2c.h
@@ -0,0 +1,93 @@
+/*
+ * (C) Copyright 2007-2009
+ * Stefan Roese, DENX Software Engineering, sr@denx.de.
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#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 */
+
+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