136 lines
4.2 KiB
C
136 lines
4.2 KiB
C
/****************************************************************************
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* boards/z80/ez80/makerlisp/src/makerlisp.h
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership. The
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* ASF licenses this file to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance with the
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* License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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* License for the specific language governing permissions and limitations
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* under the License.
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*
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****************************************************************************/
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#ifndef __BOARDS_Z80_EZ80_MAKERLISP_SRC_MAKERLISP_H
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#define __BOARDS_Z80_EZ80_MAKERLISP_SRC_MAKERLISP_H
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/****************************************************************************
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* Included Files
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****************************************************************************/
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#ifndef __ASSEMBLY__
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# include <stdint.h>
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#endif
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/****************************************************************************
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* Pre-processor Definitions
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****************************************************************************/
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/* Configuration */
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#define HAVE_MMCSD 1
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#if !defined(CONFIG_MMCSD_SPI) || !defined(CONFIG_EZ80_SPI)
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# undef HAVE_MMCSD
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#endif
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/* Helpers for accessing memory mapped registers */
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#define ez80_getreg8(a) (*(uint8_t*)(a))
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#define ez80_putreg8(v,a) (*(uint8_t*)(a) = (v))
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/* Memory map. Board-specific extensions to the basic ez80f91 memory map
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* (see arch/z80/src/ez80/ez80f91.h)
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*
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* - Chip select 0 is for RAM 0 to (512k - 1), starting at address 0x40000
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* (after the flash).
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* - Chip select 1 is for 512k to (1M - 1), at address 0xc0000.
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*
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* All RAM has zero wait states.
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*/
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/* LED and port emulation memory register addresses */
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/* GPIO data bit definitions */
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#define EZ80_GPIOD0 (1 << 0)
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#define EZ80_GPIOD1 (1 << 1)
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#define EZ80_GPIOD2 (1 << 2)
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#define EZ80_GPIOD3 (1 << 3)
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#define EZ80_GPIOD4 (1 << 4)
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#define EZ80_GPIOD5 (1 << 5)
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#define EZ80_GPIOD6 (1 << 6)
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#define EZ80_GPIOD7 (1 << 7)
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/****************************************************************************
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* Public Data
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****************************************************************************/
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extern bool g_ebpresent; /* True: I/O Expansion board is present */
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/****************************************************************************
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* Public Functions Definitions
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****************************************************************************/
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#undef EXTERN
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#if defined(__cplusplus)
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#define EXTERN extern "C"
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extern "C"
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{
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#else
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#define EXTERN extern
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#endif
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/****************************************************************************
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* Name: ez80_bringup
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*
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* Description:
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* Perform architecture-specific initialization
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*
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* CONFIG_BOARD_LATE_INITIALIZE=y :
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* Called from board_late_initialize().
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*
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* CONFIG_BOARD_LATE_INITIALIZE=y && CONFIG_BOARDCTL=y :
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* Called from the NSH library
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*
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****************************************************************************/
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int ez80_bringup(void);
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/****************************************************************************
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* Name: ez80_mmcsd_initialize
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*
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* Description:
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* Initialize SPI-based SD card.
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*
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****************************************************************************/
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#ifdef HAVE_MMCSD
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int ez80_mmcsd_initialize(void);
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#endif
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/****************************************************************************
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* Name: ez80_spidev_initialize
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*
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* Description:
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* Called to configure SPI chip select GPIO pins for the MakerLisp board.
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*
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****************************************************************************/
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#ifdef CONFIG_EZ80_SPI
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void ez80_spidev_initialize(void);
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#endif
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#undef EXTERN
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#if defined(__cplusplus)
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}
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#endif
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#endif /* __BOARDS_Z80_EZ80_MAKERLISP_SRC_MAKERLISP_H */
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