| Line 67... |
Line 67... |
IO_UART_USE : boolean := true; -- implement universal asynchronous receiver/transmitter (UART)?
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IO_UART_USE : boolean := true; -- implement universal asynchronous receiver/transmitter (UART)?
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IO_SPI_USE : boolean := true; -- implement serial peripheral interface (SPI)?
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IO_SPI_USE : boolean := true; -- implement serial peripheral interface (SPI)?
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IO_TWI_USE : boolean := true; -- implement two-wire interface (TWI)?
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IO_TWI_USE : boolean := true; -- implement two-wire interface (TWI)?
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IO_PWM_USE : boolean := true; -- implement pulse-width modulation unit (PWM)?
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IO_PWM_USE : boolean := true; -- implement pulse-width modulation unit (PWM)?
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IO_WDT_USE : boolean := true; -- implement watch dog timer (WDT)?
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IO_WDT_USE : boolean := true; -- implement watch dog timer (WDT)?
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IO_CLIC_USE : boolean := true; -- implement core local interrupt controller (CLIC)?
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IO_TRNG_USE : boolean := true; -- implement true random number generator (TRNG)?
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IO_TRNG_USE : boolean := true; -- implement true random number generator (TRNG)?
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IO_DEVNULL_USE : boolean := true -- implement dummy device (DEVNULL)?
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IO_DEVNULL_USE : boolean := true -- implement dummy device (DEVNULL)?
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);
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);
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port (
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port (
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-- host access --
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-- host access --
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| Line 123... |
Line 122... |
sysinfo_mem(2)(00) <= bool_to_ulogic_f(BOOTLOADER_USE); -- implement processor-internal bootloader?
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sysinfo_mem(2)(00) <= bool_to_ulogic_f(BOOTLOADER_USE); -- implement processor-internal bootloader?
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sysinfo_mem(2)(01) <= bool_to_ulogic_f(MEM_EXT_USE); -- implement external memory bus interface?
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sysinfo_mem(2)(01) <= bool_to_ulogic_f(MEM_EXT_USE); -- implement external memory bus interface?
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sysinfo_mem(2)(02) <= bool_to_ulogic_f(MEM_INT_IMEM_USE); -- implement processor-internal instruction memory?
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sysinfo_mem(2)(02) <= bool_to_ulogic_f(MEM_INT_IMEM_USE); -- implement processor-internal instruction memory?
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sysinfo_mem(2)(03) <= bool_to_ulogic_f(MEM_INT_IMEM_ROM); -- implement processor-internal instruction memory as ROM?
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sysinfo_mem(2)(03) <= bool_to_ulogic_f(MEM_INT_IMEM_ROM); -- implement processor-internal instruction memory as ROM?
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sysinfo_mem(2)(04) <= bool_to_ulogic_f(MEM_INT_DMEM_USE); -- implement processor-internal data memory?
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sysinfo_mem(2)(04) <= bool_to_ulogic_f(MEM_INT_DMEM_USE); -- implement processor-internal data memory?
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sysinfo_mem(2)(15 downto 05) <= (others => '0'); -- reserved
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-- IO
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-- IO
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sysinfo_mem(2)(16) <= bool_to_ulogic_f(IO_GPIO_USE); -- implement general purpose input/output port unit (GPIO)?
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sysinfo_mem(2)(16) <= bool_to_ulogic_f(IO_GPIO_USE); -- implement general purpose input/output port unit (GPIO)?
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sysinfo_mem(2)(17) <= bool_to_ulogic_f(IO_MTIME_USE); -- implement machine system timer (MTIME)?
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sysinfo_mem(2)(17) <= bool_to_ulogic_f(IO_MTIME_USE); -- implement machine system timer (MTIME)?
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sysinfo_mem(2)(18) <= bool_to_ulogic_f(IO_UART_USE); -- implement universal asynchronous receiver/transmitter (UART)?
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sysinfo_mem(2)(18) <= bool_to_ulogic_f(IO_UART_USE); -- implement universal asynchronous receiver/transmitter (UART)?
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sysinfo_mem(2)(19) <= bool_to_ulogic_f(IO_SPI_USE); -- implement serial peripheral interface (SPI)?
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sysinfo_mem(2)(19) <= bool_to_ulogic_f(IO_SPI_USE); -- implement serial peripheral interface (SPI)?
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sysinfo_mem(2)(20) <= bool_to_ulogic_f(IO_TWI_USE); -- implement two-wire interface (TWI)?
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sysinfo_mem(2)(20) <= bool_to_ulogic_f(IO_TWI_USE); -- implement two-wire interface (TWI)?
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sysinfo_mem(2)(21) <= bool_to_ulogic_f(IO_PWM_USE); -- implement pulse-width modulation unit (PWM)?
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sysinfo_mem(2)(21) <= bool_to_ulogic_f(IO_PWM_USE); -- implement pulse-width modulation unit (PWM)?
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sysinfo_mem(2)(22) <= bool_to_ulogic_f(IO_WDT_USE); -- implement watch dog timer (WDT)?
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sysinfo_mem(2)(22) <= bool_to_ulogic_f(IO_WDT_USE); -- implement watch dog timer (WDT)?
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sysinfo_mem(2)(23) <= bool_to_ulogic_f(IO_CLIC_USE); -- implement core local interrupt controller (CLIC)?
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sysinfo_mem(2)(23) <= '0';
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sysinfo_mem(2)(24) <= bool_to_ulogic_f(IO_TRNG_USE); -- implement true random number generator (TRNG)?
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sysinfo_mem(2)(24) <= bool_to_ulogic_f(IO_TRNG_USE); -- implement true random number generator (TRNG)?
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sysinfo_mem(2)(25) <= bool_to_ulogic_f(IO_DEVNULL_USE); -- implement dummy device (DEVNULL)?
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sysinfo_mem(2)(25) <= bool_to_ulogic_f(IO_DEVNULL_USE); -- implement dummy device (DEVNULL)?
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sysinfo_mem(2)(31 downto 26) <= (others => '0'); -- reserved
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|
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-- SYSINFO(3): reserved --
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-- SYSINFO(3): reserved --
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sysinfo_mem(3) <= (others => '0'); -- reserved - maybe for technology-specific configuration options?
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sysinfo_mem(3) <= (others => '0'); -- reserved - maybe for technology-specific configuration options?
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|
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-- SYSINFO(4): Base address of instruction memory space --
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-- SYSINFO(4): Base address of instruction memory space --
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