X-Git-Url: https://gerrit.opnfv.org/gerrit/gitweb?a=blobdiff_plain;f=qemu%2Froms%2Fu-boot%2Fdrivers%2Fi2c%2Fmv_i2c.h;fp=qemu%2Froms%2Fu-boot%2Fdrivers%2Fi2c%2Fmv_i2c.h;h=ae27c447b0652d01e13d5f9a445424a40fd16c2f;hb=e44e3482bdb4d0ebde2d8b41830ac2cdb07948fb;hp=0000000000000000000000000000000000000000;hpb=9ca8dbcc65cfc63d6f5ef3312a33184e1d726e00;p=kvmfornfv.git

diff --git a/qemu/roms/u-boot/drivers/i2c/mv_i2c.h b/qemu/roms/u-boot/drivers/i2c/mv_i2c.h
new file mode 100644
index 000000000..ae27c447b
--- /dev/null
+++ b/qemu/roms/u-boot/drivers/i2c/mv_i2c.h
@@ -0,0 +1,67 @@
+/*
+ * (C) Copyright 2011
+ * Marvell Inc, <www.marvell.com>
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#ifndef _MV_I2C_H_
+#define _MV_I2C_H_
+extern void i2c_clk_enable(void);
+
+/* Shall the current transfer have a start/stop condition? */
+#define I2C_COND_NORMAL		0
+#define I2C_COND_START		1
+#define I2C_COND_STOP		2
+
+/* Shall the current transfer be ack/nacked or being waited for it? */
+#define I2C_ACKNAK_WAITACK	1
+#define I2C_ACKNAK_SENDACK	2
+#define I2C_ACKNAK_SENDNAK	4
+
+/* Specify who shall transfer the data (master or slave) */
+#define I2C_READ		0
+#define I2C_WRITE		1
+
+#if (CONFIG_SYS_I2C_SPEED == 400000)
+#define I2C_ICR_INIT	(ICR_FM | ICR_BEIE | ICR_IRFIE | ICR_ITEIE | ICR_GCD \
+		| ICR_SCLE)
+#else
+#define I2C_ICR_INIT	(ICR_BEIE | ICR_IRFIE | ICR_ITEIE | ICR_GCD | ICR_SCLE)
+#endif
+
+#define I2C_ISR_INIT		0x7FF
+/* ----- Control register bits ---------------------------------------- */
+
+#define ICR_START	0x1		/* start bit */
+#define ICR_STOP	0x2		/* stop bit */
+#define ICR_ACKNAK	0x4		/* send ACK(0) or NAK(1) */
+#define ICR_TB		0x8		/* transfer byte bit */
+#define ICR_MA		0x10		/* master abort */
+#define ICR_SCLE	0x20		/* master clock enable, mona SCLEA */
+#define ICR_IUE		0x40		/* unit enable */
+#define ICR_GCD		0x80		/* general call disable */
+#define ICR_ITEIE	0x100		/* enable tx interrupts */
+#define ICR_IRFIE	0x200		/* enable rx interrupts, mona: DRFIE */
+#define ICR_BEIE	0x400		/* enable bus error ints */
+#define ICR_SSDIE	0x800		/* slave STOP detected int enable */
+#define ICR_ALDIE	0x1000		/* enable arbitration interrupt */
+#define ICR_SADIE	0x2000		/* slave address detected int enable */
+#define ICR_UR		0x4000		/* unit reset */
+#define ICR_FM		0x8000		/* Fast Mode */
+
+/* ----- Status register bits ----------------------------------------- */
+
+#define ISR_RWM		0x1		/* read/write mode */
+#define ISR_ACKNAK	0x2		/* ack/nak status */
+#define ISR_UB		0x4		/* unit busy */
+#define ISR_IBB		0x8		/* bus busy */
+#define ISR_SSD		0x10		/* slave stop detected */
+#define ISR_ALD		0x20		/* arbitration loss detected */
+#define ISR_ITE		0x40		/* tx buffer empty */
+#define ISR_IRF		0x80		/* rx buffer full */
+#define ISR_GCAD	0x100		/* general call address detected */
+#define ISR_SAD		0x200		/* slave address detected */
+#define ISR_BED		0x400		/* bus error no ACK/NAK */
+
+#endif