diff options
Diffstat (limited to 'bsps/sparc/include/bsp/i2cmst.h')
-rw-r--r-- | bsps/sparc/include/bsp/i2cmst.h | 65 |
1 files changed, 0 insertions, 65 deletions
diff --git a/bsps/sparc/include/bsp/i2cmst.h b/bsps/sparc/include/bsp/i2cmst.h deleted file mode 100644 index 3eee717524..0000000000 --- a/bsps/sparc/include/bsp/i2cmst.h +++ /dev/null @@ -1,65 +0,0 @@ -/** - * @file - * @ingroup sparc_bsp - * @defgroup i2c I2C-master - * @ingroup i2c - * @brief Driver for GRLIB port of OpenCores I2C-master - */ - -/* - * COPYRIGHT (c) 2007 Cobham Gaisler AB - * with parts from the RTEMS MPC83xx I2C driver (c) 2007 Embedded Brains GmbH. - * - * The license and distribution terms for this file may be - * found in the file LICENSE in this distribution or at - * http://www.rtems.org/license/LICENSE. - */ - -#ifndef _I2CMST_H -#define _I2CMST_H - -#include <rtems/libi2c.h> -#include <ambapp.h> - -#ifdef __cplusplus -extern "C" { -#endif - -/* I2C-master operational registers */ - -typedef struct gr_i2cmst_regs { - volatile unsigned int prescl; /* Prescale register */ - volatile unsigned int ctrl; /* Control register */ - volatile unsigned int tdrd; /* Transmit and Receive registers */ - volatile unsigned int cmdsts; /* Command and Status registers */ -} gr_i2cmst_regs_t; - -/* Control (CTRL) register */ -#define GRI2C_CTRL_EN 0x00000080 /* Enable core */ -#define GRI2C_CTRL_IEN 0x00000040 /* Interrupt enable */ - -/* Command (CMD) register */ -#define GRI2C_CMD_STA 0x00000080 /* Generate START condition */ -#define GRI2C_CMD_STO 0x00000040 /* Generate STOP condition */ -#define GRI2C_CMD_RD 0x00000020 /* Read from slave */ -#define GRI2C_CMD_WR 0x00000010 /* Write to slave */ -#define GRI2C_CMD_ACK 0x00000008 /* Acknowledge */ -#define GRI2C_CMD_IACK 0x00000001 /* Interrupt acknowledge */ - -/* Status (STS) register */ -#define GRI2C_STS_RXACK 0x00000080 /* Receive acknowledge */ -#define GRI2C_STS_BUSY 0x00000040 /* I2C-bus busy */ -#define GRI2C_STS_AL 0x00000020 /* Arbitration lost */ -#define GRI2C_STS_TIP 0x00000002 /* Transfer in progress */ -#define GRI2C_STS_IF 0x00000001 /* Interrupt flag */ - -#define GRI2C_STATUS_IDLE 0x00000000 - -/* Register I2CMST driver to Driver Manager */ -void i2cmst_register_drv (void); - -#ifdef __cplusplus -} -#endif - -#endif /* _I2CMST_H */ |