| Line 71... |
Line 71... |
IO_TWI_EN : boolean := true; -- implement two-wire interface (TWI)?
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IO_TWI_EN : boolean := true; -- implement two-wire interface (TWI)?
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IO_PWM_EN : boolean := true; -- implement pulse-width modulation unit (PWM)?
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IO_PWM_EN : boolean := true; -- implement pulse-width modulation unit (PWM)?
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IO_WDT_EN : boolean := true; -- implement watch dog timer (WDT)?
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IO_WDT_EN : boolean := true; -- implement watch dog timer (WDT)?
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IO_TRNG_EN : boolean := true; -- implement true random number generator (TRNG)?
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IO_TRNG_EN : boolean := true; -- implement true random number generator (TRNG)?
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IO_CFS_EN : boolean := true; -- implement custom functions subsystem (CFS)?
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IO_CFS_EN : boolean := true; -- implement custom functions subsystem (CFS)?
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IO_NCO_EN : boolean := true -- implement numerically-controlled oscillator (NCO)?
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IO_NCO_EN : boolean := true; -- implement numerically-controlled oscillator (NCO)?
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IO_NEOLED_EN : boolean := true -- implement NeoPixel-compatible smart LED interface (NEOLED)?
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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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clk_i : in std_ulogic; -- global clock line
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clk_i : in std_ulogic; -- global clock line
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addr_i : in std_ulogic_vector(31 downto 0); -- address
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addr_i : in std_ulogic_vector(31 downto 0); -- address
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| Line 141... |
Line 142... |
sysinfo_mem(2)(22) <= bool_to_ulogic_f(IO_WDT_EN); -- watch dog timer (WDT) implemented?
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sysinfo_mem(2)(22) <= bool_to_ulogic_f(IO_WDT_EN); -- watch dog timer (WDT) implemented?
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sysinfo_mem(2)(23) <= bool_to_ulogic_f(IO_CFS_EN); -- custom functions subsystem (CFS) implemented?
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sysinfo_mem(2)(23) <= bool_to_ulogic_f(IO_CFS_EN); -- custom functions subsystem (CFS) implemented?
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sysinfo_mem(2)(24) <= bool_to_ulogic_f(IO_TRNG_EN); -- true random number generator (TRNG) implemented?
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sysinfo_mem(2)(24) <= bool_to_ulogic_f(IO_TRNG_EN); -- true random number generator (TRNG) implemented?
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sysinfo_mem(2)(25) <= bool_to_ulogic_f(IO_NCO_EN); -- numerically-controlled oscillator (NCO) implemented?
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sysinfo_mem(2)(25) <= bool_to_ulogic_f(IO_NCO_EN); -- numerically-controlled oscillator (NCO) implemented?
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sysinfo_mem(2)(26) <= bool_to_ulogic_f(IO_UART1_EN); -- secondary universal asynchronous receiver/transmitter (UART1) implemented?
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sysinfo_mem(2)(26) <= bool_to_ulogic_f(IO_UART1_EN); -- secondary universal asynchronous receiver/transmitter (UART1) implemented?
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sysinfo_mem(2)(27) <= bool_to_ulogic_f(IO_NEOLED_EN); -- NeoPixel-compatible smart LED interface (NEOLED) implemented?
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--
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--
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sysinfo_mem(2)(31 downto 27) <= (others => '0'); -- reserved
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sysinfo_mem(2)(31 downto 28) <= (others => '0'); -- reserved
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-- SYSINFO(3): Cache configuration --
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-- SYSINFO(3): Cache configuration --
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sysinfo_mem(3)(03 downto 00) <= std_ulogic_vector(to_unsigned(index_size_f(ICACHE_BLOCK_SIZE), 4)) when (ICACHE_EN = true) else (others => '0'); -- i-cache: log2(block_size_in_bytes)
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sysinfo_mem(3)(03 downto 00) <= std_ulogic_vector(to_unsigned(index_size_f(ICACHE_BLOCK_SIZE), 4)) when (ICACHE_EN = true) else (others => '0'); -- i-cache: log2(block_size_in_bytes)
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sysinfo_mem(3)(07 downto 04) <= std_ulogic_vector(to_unsigned(index_size_f(ICACHE_NUM_BLOCKS), 4)) when (ICACHE_EN = true) else (others => '0'); -- i-cache: log2(number_of_block)
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sysinfo_mem(3)(07 downto 04) <= std_ulogic_vector(to_unsigned(index_size_f(ICACHE_NUM_BLOCKS), 4)) when (ICACHE_EN = true) else (others => '0'); -- i-cache: log2(number_of_block)
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sysinfo_mem(3)(11 downto 08) <= std_ulogic_vector(to_unsigned(index_size_f(ICACHE_ASSOCIATIVITY), 4)) when (ICACHE_EN = true) else (others => '0'); -- i-cache: log2(associativity)
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sysinfo_mem(3)(11 downto 08) <= std_ulogic_vector(to_unsigned(index_size_f(ICACHE_ASSOCIATIVITY), 4)) when (ICACHE_EN = true) else (others => '0'); -- i-cache: log2(associativity)
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