tx4925.h

Go to the documentation of this file.

/*
 *  COPYRIGHT (c) 1989-2012.
 *  On-Line Applications Research Corporation (OAR).
 *
 *  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 __TX4925_h
#define __TX4925_h

#define TX4925_REG_BASE 0xFF1F0000


/*
 *  Configuration Registers
 */
#define TX4925_CFG_CCFG 0xE000      /* Chip Configuration Register */
#define TX4925_CFG_REVID 0xE004     /* Chip Revision ID Register */
#define TX4925_CFG_PCFG 0xE008      /* Pin Configuration Register */
#define TX4925_CFG_TOEA 0xE00C      /* TimeOut Error Access Address Register */
#define TX4925_CFG_PDNCTR 0xE010    /* Power Down Control Register */
#define TX4925_CFG_GARBP 0xE018     /* GBUS Arbiter Priority Register */
#define TX4925_CFG_TOCNT 0xE020     /* Timeout Count Register */
#define TX4925_CFG_DRQCTR 0xE024        /* DMA Request Control Register */
#define TX4925_CFG_CLKCTR 0xE028        /* Clock Control Register */
#define TX4925_CFG_GARBC 0xE02C     /* GBUS Arbiter Control Register */
#define TX4925_CFG_RAMP 0xE030      /* Register Address Mapping Register */

/* Pin Configuration register bits */
#define SELCHI  0x00100000
#define SELTMR0 0x00000200


/*
 *  Timer Registers
 */

#define TX4925_TIMER0_BASE 0xF000
#define TX4925_TIMER1_BASE 0xF100
#define TX4925_TIMER2_BASE 0xF200

#define TX4925_TIMER_TCR  0x00          /* Timer Control Register */
#define TX4925_TIMER_TISR 0x04          /* Timer Interrupt Status Register */
#define TX4925_TIMER_CPRA 0x08          /* Compare Register A */
#define TX4925_TIMER_CPRB 0x0C          /* Compare Register B */
#define TX4925_TIMER_ITMR 0x10          /* Interval Timer Mode Register */
#define TX4925_TIMER_CCDR 0x20          /* Divide Cycle Register */
#define TX4925_TIMER_PGMR 0x30          /* Pulse Generator Mode Register */
#define TX4925_TIMER_WTMR 0x40          /* Reserved Register */
#define TX4925_TIMER_TRR  0xF0          /* Timer Read Register */

/* ITMR register bits */
#define TIMER_CLEAR_ENABLE_MASK     0x1
#define TIMER_INT_ENABLE_MASK   0x8000

/* PGMR register bits */
#define FFI         0x1
#define TPIAE       0x4000
#define TPIBE       0x8000

/* TISR register bits */
#define TIIS    0x1
#define TPIAS   0x2
#define TPIBS   0x4
#define TWIS    0x8


/*
 *  Interrupt Controller Registers
 */
#define TX4925_IRQCTL_DEN 0xF600        /* Interrupt Detection Enable Register */
#define TX4925_IRQCTL_DM0 0xF604        /* Interrupt Detection Mode Register 0 */
#define TX4925_IRQCTL_DM1 0xF608        /* Interrupt Detection Mode Register 1 */
#define TX4925_IRQCTL_LVL0 0xF610       /* Interrupt Level Register 0 */
#define TX4925_IRQCTL_LVL1 0xF614       /* Interrupt Level Register 1 */
#define TX4925_IRQCTL_LVL2 0xF618       /* Interrupt Level Register 2 */
#define TX4925_IRQCTL_LVL3 0xF61C       /* Interrupt Level Register 3 */
#define TX4925_IRQCTL_LVL4 0xF620       /* Interrupt Level Register 4 */
#define TX4925_IRQCTL_LVL5 0xF624       /* Interrupt Level Register 5 */
#define TX4925_IRQCTL_LVL6 0xF628       /* Interrupt Level Register 6 */
#define TX4925_IRQCTL_LVL7 0xF62C       /* Interrupt Level Register 7 */
#define TX4925_IRQCTL_MSK 0xF640        /* Interrupt Mask Register */
#define TX4925_IRQCTL_EDC 0xF660        /* Interrupt Edge Detection Clear Register */
#define TX4925_IRQCTL_PND 0xF680        /* Interrupt Pending Register */
#define TX4925_IRQCTL_CS 0xF6A0         /* Interrupt Current Status Register */
#define TX4925_IRQCTL_FLAG0 0xF510      /* Interrupt Request Flag Register 0 */
#define TX4925_IRQCTL_FLAG1 0xF514      /* Interrupt Request Flag Register 1 */
#define TX4925_IRQCTL_POL 0xF518        /* Interrupt Request Polarity Control Register */
#define TX4925_IRQCTL_RCNT 0xF51C       /* Interrupt Request Control Register */
#define TX4925_IRQCTL_MASKINT 0xF520    /* Interrupt Request Internal Interrupt Mask Register */
#define TX4925_IRQCTL_MASKEXT 0xF524    /* Interrupt Request External Interrupt Mask Register */

#define TX4925_REG_READ( _base, _register ) \
  *((volatile uint32_t *)((_base) + (_register)))

#define TX4925_REG_WRITE( _base, _register, _value ) \
  *((volatile uint32_t *)((_base) + (_register))) = (_value)

#endif