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/************************************************************************************
* arch/z16/src/z16f/chip.h
* include/arch/chip/chip.h
*
* Copyright (C) 2008 Gregory Nutt. All rights reserved.
* Author: Gregory Nutt <spudmonkey@racsa.co.cr>
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
* 3. Neither the name NuttX nor the names of its contributors may be
* used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*
************************************************************************************/
#ifndef __Z16F_CHIP_H
#define __Z16F_CHIP_H
/************************************************************************************
* Included Files
************************************************************************************/
/************************************************************************************
* Definitions
************************************************************************************/
/* Z16F Chip Variants ***************************************************************/
#if defined(CONFIG_ARCH_CHIP_Z16F2810)
# define Z16F_INVMEM_SIZE (128*1024)
# define Z16F_IRAM_SIZE (4*1024)
# undef Z16F_HAVE_EXTMEM
#elif defined(CONFIG_ARCH_CHIP_Z16F2811)
# define Z16F_INVMEM_SIZE (128*1024)
# define Z16F_IRAM_SIZE (4*1024)
# define Z16F_HAVE_EXTMEM 1
#elif defined(CONFIG_ARCH_CHIP_Z16F3211)
# define Z16F_INVMEM_SIZE (32*1024)
# define Z16F_IRAM_SIZE (2*1024)
# define Z16F_HAVE_EXTMEM 1
#elif defined(CONFIG_ARCH_CHIP_Z16F6411)
# define Z16F_INVMEM_SIZE (64*1024)
# define Z16F_IRAM_SIZE (4*1024)
# define Z16F_HAVE_EXTMEM 1
#else
# error "Z16F chip variant not specified"
#endif
/* Memory areas**********************************************************************
*
* Internal non-volatile memory starts at address zero. The size
* of the internal non-volatile memory is chip-dependent.
*/
#define Z16F_INVMEM_BASE 0x000000
/* Most chip variants support external memory */
#ifdef Z16F_HAVE_EXTMEM
# define Z16F_EXTMEMCS0_BASE 0x020000 /* External memory at CS0 */
# define Z16F_EXTMEMCS0_SIZE 0x7e0000 /* (actual depends on board) */
# define Z16F_EXTMEMCS1_BASE 0x800000 /* External memory at CS1 */
# define Z16F_EXTMEMCS1_SIZE 0x700000 /* (actual depends on board) */
# define Z16F_EXTMEMCS2A_BASE 0xf00000 /* External memory at CS2 */
# define Z16F_EXTMEMCS2A_SIZE 0x0f8000 /* (actual depends on board) */
# define Z16F_EXTMEMCS2B_BASE 0xffc000 /* External memory at CS2 */
# define Z16F_EXTMEMCS2B_SIZE 0x000800 /* (actual depends on board) */
#endif
/* Internal RAM always ends at 0xffbfff. The IRAM base address depends
* on the size of the IRAM supported by the chip.
*/
#define Z16F_IRAM_BASE (0xffc000 - Z16F_IRAM_SIZE)
/* External memory mapped peripherals, internal I/O memory and SFRS */
#define Z16F_EXTIO_BASE 0xffc800 /* External peripherals CS3-5 */
#define Z16F_EXTIO_SIZE 0x001800
#define Z16F_IIO_BASE 0xffe000 /* Internal I/O memory and SFRs */
#define Z16F_IIO_SIZE 0x001fff
/* Control Registers ***************************************************************/
#define Z16F_CNTRL_PCOV 0xffe04 /* 32-bits: Program counter overflow */
#define Z16F_CNTRL_SPOV 0xffe0c /* 32-bits: Stack pointer overflow */
#define Z16F_CNTRL_FLAGS 0xffe10 /* 8-bits: flags */
#define Z16F_CNTRL_CPUCTL 0xffe12 /* 8-bits: CPU control */
/* Flag register bits **************************\*************************************/
#define Z16F_CNTRL_FLAGS_C 0x80 /* Bit 7: Carry flag */
#define Z16F_CNTRL_FLAGS_Z 0x40 /* Bit 6: Zero flag */
#define Z16F_CNTRL_FLAGS_S 0x20 /* Bit 5: Sign flag */
#define Z16F_CNTRL_FLAGS_V 0x10 /* Bit 4: Overflow flag */
#define Z16F_CNTRL_FLAGS_B 0x08 /* Bit 3: Blank flag */
#define Z16F_CNTRL_FLAGS_F1 0x04 /* Bit 2: User flag 1 */
#define Z16F_CNTRL_FLAGS_CIRQE 0x02 /* Bit 1: Chained interrupt enable */
#define Z16F_CNTRL_FLAGS_IRQE 0x01 /* Bit 0: Master interrupt enable */
/* CPU control register bits ********************************************************/
/* Bits 7-2: Reserved, must be zero */
/* Bits 1-0: DMA bandwidth control */
#define Z16F_CNTRL_CPUCTL_BWALL 0x00 /* DMA can consume 100% bandwidth */
#define Z16F_CNTRL_CPUCTL_BW11 0x01 /* DMA can do 1 transaction per 1 cycle */
#define Z16F_CNTRL_CPUCTL_BW12 0x01 /* DMA can do 1 transaction per 2 cycles */
#define Z16F_CNTRL_CPUCTL_BW13 0x01 /* DMA can do 1 transaction per 3 cycles */
/************************************************************************************
* Public Function Prototypes
************************************************************************************/
#ifndef __ASSEMBLY__
#ifdef __cplusplus
#define EXTERN extern "C"
extern "C" {
#else
#define EXTERN extern
#endif
#undef EXTERN
#ifdef __cplusplus
}
#endif
#endif
#endif /* __Z16F_CHIP_H */
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