| Line 63... |
Line 63... |
-- External memory interface --
|
-- External memory interface --
|
MEM_EXT_EN : boolean := false; -- implement external memory bus interface?
|
MEM_EXT_EN : boolean := false; -- implement external memory bus interface?
|
-- Processor peripherals --
|
-- Processor peripherals --
|
IO_GPIO_EN : boolean := true; -- implement general purpose input/output port unit (GPIO)?
|
IO_GPIO_EN : boolean := true; -- implement general purpose input/output port unit (GPIO)?
|
IO_MTIME_EN : boolean := true; -- implement machine system timer (MTIME)?
|
IO_MTIME_EN : boolean := true; -- implement machine system timer (MTIME)?
|
IO_UART_EN : boolean := true; -- implement universal asynchronous receiver/transmitter (UART)?
|
IO_UART0_EN : boolean := true; -- implement primary universal asynchronous receiver/transmitter (UART0)?
|
|
IO_UART1_EN : boolean := true; -- implement secondary universal asynchronous receiver/transmitter (UART1)?
|
IO_SPI_EN : boolean := true; -- implement serial peripheral interface (SPI)?
|
IO_SPI_EN : boolean := true; -- implement serial peripheral interface (SPI)?
|
IO_TWI_EN : boolean := true; -- implement two-wire interface (TWI)?
|
IO_TWI_EN : boolean := true; -- implement two-wire interface (TWI)?
|
IO_PWM_EN : boolean := true; -- implement pulse-width modulation unit (PWM)?
|
IO_PWM_EN : boolean := true; -- implement pulse-width modulation unit (PWM)?
|
IO_WDT_EN : boolean := true; -- implement watch dog timer (WDT)?
|
IO_WDT_EN : boolean := true; -- implement watch dog timer (WDT)?
|
IO_TRNG_EN : boolean := true; -- implement true random number generator (TRNG)?
|
IO_TRNG_EN : boolean := true; -- implement true random number generator (TRNG)?
|
| Line 131... |
Line 132... |
--
|
--
|
sysinfo_mem(2)(15 downto 07) <= (others => '0'); -- reserved
|
sysinfo_mem(2)(15 downto 07) <= (others => '0'); -- reserved
|
-- IO --
|
-- IO --
|
sysinfo_mem(2)(16) <= bool_to_ulogic_f(IO_GPIO_EN); -- general purpose input/output port unit (GPIO) implemented?
|
sysinfo_mem(2)(16) <= bool_to_ulogic_f(IO_GPIO_EN); -- general purpose input/output port unit (GPIO) implemented?
|
sysinfo_mem(2)(17) <= bool_to_ulogic_f(IO_MTIME_EN); -- machine system timer (MTIME) implemented?
|
sysinfo_mem(2)(17) <= bool_to_ulogic_f(IO_MTIME_EN); -- machine system timer (MTIME) implemented?
|
sysinfo_mem(2)(18) <= bool_to_ulogic_f(IO_UART_EN); -- universal asynchronous receiver/transmitter (UART) implemented?
|
sysinfo_mem(2)(18) <= bool_to_ulogic_f(IO_UART0_EN); -- primary universal asynchronous receiver/transmitter (UART0) implemented?
|
sysinfo_mem(2)(19) <= bool_to_ulogic_f(IO_SPI_EN); -- serial peripheral interface (SPI) implemented?
|
sysinfo_mem(2)(19) <= bool_to_ulogic_f(IO_SPI_EN); -- serial peripheral interface (SPI) implemented?
|
sysinfo_mem(2)(20) <= bool_to_ulogic_f(IO_TWI_EN); -- two-wire interface (TWI) implemented?
|
sysinfo_mem(2)(20) <= bool_to_ulogic_f(IO_TWI_EN); -- two-wire interface (TWI) implemented?
|
sysinfo_mem(2)(21) <= bool_to_ulogic_f(IO_PWM_EN); -- pulse-width modulation unit (PWM) implemented?
|
sysinfo_mem(2)(21) <= bool_to_ulogic_f(IO_PWM_EN); -- pulse-width modulation unit (PWM) implemented?
|
sysinfo_mem(2)(22) <= bool_to_ulogic_f(IO_WDT_EN); -- watch dog timer (WDT) implemented?
|
sysinfo_mem(2)(22) <= bool_to_ulogic_f(IO_WDT_EN); -- watch dog timer (WDT) implemented?
|
sysinfo_mem(2)(23) <= bool_to_ulogic_f(IO_CFS_EN); -- custom functions subsystem (CFS) implemented?
|
sysinfo_mem(2)(23) <= bool_to_ulogic_f(IO_CFS_EN); -- custom functions subsystem (CFS) implemented?
|
sysinfo_mem(2)(24) <= bool_to_ulogic_f(IO_TRNG_EN); -- true random number generator (TRNG) implemented?
|
sysinfo_mem(2)(24) <= bool_to_ulogic_f(IO_TRNG_EN); -- true random number generator (TRNG) implemented?
|
sysinfo_mem(2)(25) <= bool_to_ulogic_f(IO_NCO_EN); -- numerically-controlled oscillator (NCO) implemented?
|
sysinfo_mem(2)(25) <= bool_to_ulogic_f(IO_NCO_EN); -- numerically-controlled oscillator (NCO) implemented?
|
|
sysinfo_mem(2)(26) <= bool_to_ulogic_f(IO_UART1_EN); -- secondary universal asynchronous receiver/transmitter (UART1) implemented?
|
--
|
--
|
sysinfo_mem(2)(31 downto 26) <= (others => '0'); -- reserved
|
sysinfo_mem(2)(31 downto 27) <= (others => '0'); -- reserved
|
|
|
-- SYSINFO(3): Cache configuration --
|
-- SYSINFO(3): Cache configuration --
|
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)
|
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)
|
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)
|
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)
|
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)
|
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)
|
