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[/] [s6soc/] [trunk/] [sw/] [dev/] [board.h] - Blame information for rev 48

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////////////////////////////////////////////////////////////////////////////////
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//
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// Filename:    board.h
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//
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// Project:     CMod S6 System on a Chip, ZipCPU demonstration project
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//
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// Purpose:     To define the interfaces to the peripherals on the board, as
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//              given by the ZipCPU's view of the board.
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//
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// Creator:     Dan Gisselquist, Ph.D.
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//              Gisselquist Technology, LLC
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//
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////////////////////////////////////////////////////////////////////////////////
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//
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// Copyright (C) 2015-2016, Gisselquist Technology, LLC
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//
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// This program is free software (firmware): you can redistribute it and/or
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// modify it under the terms of  the GNU General Public License as published
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// by the Free Software Foundation, either version 3 of the License, or (at
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// your option) any later version.
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//
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// This program is distributed in the hope that it will be useful, but WITHOUT
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// ANY WARRANTY; without even the implied warranty of MERCHANTIBILITY or
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// FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
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// for more details.
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//
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// You should have received a copy of the GNU General Public License along
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// with this program.  (It's in the $(ROOT)/doc directory, run make with no
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// target there if the PDF file isn't present.)  If not, see
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// <http://www.gnu.org/licenses/> for a copy.
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//
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// License:     GPL, v3, as defined and found on www.gnu.org,
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//              http://www.gnu.org/licenses/gpl.html
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//
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//
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////////////////////////////////////////////////////////////////////////////////
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//
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//
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#ifndef BOARD_H
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#define BOARD_H
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// GPIO PINS
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//   first the outputs ...
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#define GPO_SDA         0x000001
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#define GPO_SCL         0x000002
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#define GPO_MOSI        0x000004
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#define GPO_SCK         0x000008
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#define GPO_SS          0x000010
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//   then the inputs.
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#define GPI_SDA         0x010000
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#define GPI_SCL         0x020000
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#define GPI_MISO        0x040000
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#define GPOSETV(PINS)   ((PINS)|((PINS)<<16))
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#define GPOCLRV(PINS)   ((PINS)<<16)
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// Interrupts
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#define INT_ENABLE      0x80000000
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#define INT_BUTTON      0x001
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#define INT_BUSERR      0x002 // Kind of useless, a buserr will kill us anyway
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#define INT_SCOPE       0x004
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#define INT_TIMER       0x010
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//#define INT_WATCHDOG  0x020   // Catching a watchdog/reset interrupt makes no sense
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#define INT_UARTRX      0x040
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#define INT_UARTTX      0x080
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#define INT_KEYPAD      0x100
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#define INT_AUDIO       0x200
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#define INT_GPIO        0x400
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// #define      INT_FLASH       0x800   // Not available due to lack of space
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#define INT_ENABLEV(IN)         (INT_ENABLE|((IN)<<16))
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#define INT_DISABLEV(IN)        ((IN)<<16)
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#define INT_CLEAR(IN)           (IN)
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#define INT_CLEARPIC    0x7fff7fff
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#define INT_DALLPIC     0x7fff0000
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// Clocks per second, for use with the timer
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#define TM_ONE_SECOND   80000000
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#define TM_REPEAT       0x80000000
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typedef struct  {
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        int             io_pic;
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        unsigned        *io_buserr;
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        int             io_timer, io_watchdog;
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        unsigned        io_pwm_audio;
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        unsigned        io_spio; // aka keypad, buttons, and keyboard
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        unsigned        io_gpio;
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        unsigned        io_uart;
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        unsigned        io_version;
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} IOSPACE;
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#define WBSCOPE_NO_RESET        0x80000000
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#define WBSCOPE_MANUAL  WBSCOPE_TRIGGER
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//
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#define WBSCOPE_STOPPED         0x40000000
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#define WBSCOPE_TRIGGERED       0x20000000
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#define WBSCOPE_PRIMED          0x10000000
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#define WBSCOPE_TRIGGER        (0x08000000|WBSCOPE_NO_RESET)
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#define WBSCOPE_DISABLED        0x04000000
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#define WBSCOPE_DISABLE         0x04000000      // Disable the scope trigger
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#define WBSCOPE_RZERO           0x02000000      // Unused,true if ptd at begning
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#define WBSCOPE_LGLEN(A)        ((A>>20)&0x01f)
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#define WBSCOPE_LENGTH(A)       (1<<(WBSCOPE_LGLEN(A)))
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typedef struct WBSCOPE_S {
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        unsigned        s_ctrl, s_data;
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} WBSCOPE;
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#define IOADDR          0x000400
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#define SCOPEADDR       0x000800
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// #define FCTLADDR     0x000c00 // Flash control, depends upon write capability
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#define RAMADDR         0x004000
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#define RAMSZ           (RAMADDR)
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#define FLASHADDR       0x1000000
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#define RESET_ADDR      0x1200000
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#define FLASHSZ         (FLASHADDR)
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static  volatile IOSPACE *const _sys   = (IOSPACE *)IOADDR;
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static  volatile WBSCOPE *const _scope = (WBSCOPE *)SCOPEADDR;
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#endif

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