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⚠️ [package] increase IO device size to 64kB
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@stnolting
stnolting committed Dec 23, 2024
1 parent 5d0ecf5 commit f8f6374
Showing 1 changed file with 40 additions and 42 deletions.
82 changes: 40 additions & 42 deletions rtl/core/neorv32_package.vhd
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Original file line number Diff line number Diff line change
Expand Up @@ -29,7 +29,7 @@ package neorv32_package is

-- Architecture Constants -----------------------------------------------------------------
-- -------------------------------------------------------------------------------------------
constant hw_version_c : std_ulogic_vector(31 downto 0) := x"01100708"; -- hardware version
constant hw_version_c : std_ulogic_vector(31 downto 0) := x"01100709"; -- hardware version
constant archid_c : natural := 19; -- official RISC-V architecture ID
constant XLEN : natural := 32; -- native data path width

Expand All @@ -50,54 +50,52 @@ package neorv32_package is
-- Main Address Regions (base address must be aligned to the region's size) ---
constant mem_imem_base_c : std_ulogic_vector(31 downto 0) := x"00000000"; -- IMEM size via generic
constant mem_dmem_base_c : std_ulogic_vector(31 downto 0) := x"80000000"; -- DMEM size via generic
constant mem_xip_base_c : std_ulogic_vector(31 downto 0) := x"e0000000"; -- page (4MSBs) only!
constant mem_xip_base_c : std_ulogic_vector(31 downto 0) := x"e0000000"; -- page (4 MSBs) only!
constant mem_xip_size_c : natural := 256*1024*1024;
constant mem_boot_base_c : std_ulogic_vector(31 downto 0) := x"ffffc000";
constant mem_boot_size_c : natural := 8*1024;
constant mem_io_base_c : std_ulogic_vector(31 downto 0) := x"ffffe000";
constant mem_io_size_c : natural := 8*1024; -- = 32 * iodev_size_c
constant mem_io_base_c : std_ulogic_vector(31 downto 0) := x"ffe00000";
constant mem_io_size_c : natural := 32*64*1024; -- = 32 * iodev_size_c

-- Start of uncached memory access (256MB page / 4MSBs only) --
-- Start of uncached memory access (256MB page / 4 MSBs only) --
constant mem_uncached_begin_c : std_ulogic_vector(31 downto 0) := x"f0000000";

-- IO Address Map (base address must be aligned to the region's size) --
constant iodev_size_c : natural := 256; -- size of a single IO device (bytes)
--constant base_io_???_c : std_ulogic_vector(31 downto 0) := x"ffffe000"; -- reserved
--constant base_io_???_c : std_ulogic_vector(31 downto 0) := x"ffffe100"; -- reserved
--constant base_io_???_c : std_ulogic_vector(31 downto 0) := x"ffffe200"; -- reserved
--constant base_io_???_c : std_ulogic_vector(31 downto 0) := x"ffffe300"; -- reserved
--constant base_io_???_c : std_ulogic_vector(31 downto 0) := x"ffffe400"; -- reserved
--constant base_io_???_c : std_ulogic_vector(31 downto 0) := x"ffffe500"; -- reserved
--constant base_io_???_c : std_ulogic_vector(31 downto 0) := x"ffffe600"; -- reserved
--constant base_io_???_c : std_ulogic_vector(31 downto 0) := x"ffffe700"; -- reserved
--constant base_io_???_c : std_ulogic_vector(31 downto 0) := x"ffffe800"; -- reserved
--constant base_io_???_c : std_ulogic_vector(31 downto 0) := x"ffffe900"; -- reserved
constant base_io_twd_c : std_ulogic_vector(31 downto 0) := x"ffffea00";
constant base_io_cfs_c : std_ulogic_vector(31 downto 0) := x"ffffeb00";
constant base_io_slink_c : std_ulogic_vector(31 downto 0) := x"ffffec00";
constant base_io_dma_c : std_ulogic_vector(31 downto 0) := x"ffffed00";
constant base_io_crc_c : std_ulogic_vector(31 downto 0) := x"ffffee00";
constant base_io_xip_c : std_ulogic_vector(31 downto 0) := x"ffffef00";
constant base_io_pwm_c : std_ulogic_vector(31 downto 0) := x"fffff000";
constant base_io_gptmr_c : std_ulogic_vector(31 downto 0) := x"fffff100";
constant base_io_onewire_c : std_ulogic_vector(31 downto 0) := x"fffff200";
constant base_io_xirq_c : std_ulogic_vector(31 downto 0) := x"fffff300";
constant base_io_mtime_c : std_ulogic_vector(31 downto 0) := x"fffff400";
constant base_io_uart0_c : std_ulogic_vector(31 downto 0) := x"fffff500";
constant base_io_uart1_c : std_ulogic_vector(31 downto 0) := x"fffff600";
constant base_io_sdi_c : std_ulogic_vector(31 downto 0) := x"fffff700";
constant base_io_spi_c : std_ulogic_vector(31 downto 0) := x"fffff800";
constant base_io_twi_c : std_ulogic_vector(31 downto 0) := x"fffff900";
constant base_io_trng_c : std_ulogic_vector(31 downto 0) := x"fffffa00";
constant base_io_wdt_c : std_ulogic_vector(31 downto 0) := x"fffffb00";
constant base_io_gpio_c : std_ulogic_vector(31 downto 0) := x"fffffc00";
constant base_io_neoled_c : std_ulogic_vector(31 downto 0) := x"fffffd00";
constant base_io_sysinfo_c : std_ulogic_vector(31 downto 0) := x"fffffe00";
constant base_io_dm_c : std_ulogic_vector(31 downto 0) := x"ffffff00";
constant iodev_size_c : natural := 64*1024; -- size of a single IO device (bytes)
constant base_io_bootrom_c : std_ulogic_vector(31 downto 0) := x"ffe00000";
--constant base_io_???_c : std_ulogic_vector(31 downto 0) := x"ffe10000"; -- reserved
--constant base_io_???_c : std_ulogic_vector(31 downto 0) := x"ffe20000"; -- reserved
--constant base_io_???_c : std_ulogic_vector(31 downto 0) := x"ffe30000"; -- reserved
--constant base_io_???_c : std_ulogic_vector(31 downto 0) := x"ffe40000"; -- reserved
--constant base_io_???_c : std_ulogic_vector(31 downto 0) := x"ffe50000"; -- reserved
--constant base_io_???_c : std_ulogic_vector(31 downto 0) := x"ffe60000"; -- reserved
--constant base_io_???_c : std_ulogic_vector(31 downto 0) := x"ffe70000"; -- reserved
--constant base_io_???_c : std_ulogic_vector(31 downto 0) := x"ffe80000"; -- reserved
--constant base_io_???_c : std_ulogic_vector(31 downto 0) := x"ffe90000"; -- reserved
constant base_io_twd_c : std_ulogic_vector(31 downto 0) := x"ffea0000";
constant base_io_cfs_c : std_ulogic_vector(31 downto 0) := x"ffeb0000";
constant base_io_slink_c : std_ulogic_vector(31 downto 0) := x"ffec0000";
constant base_io_dma_c : std_ulogic_vector(31 downto 0) := x"ffed0000";
constant base_io_crc_c : std_ulogic_vector(31 downto 0) := x"ffee0000";
constant base_io_xip_c : std_ulogic_vector(31 downto 0) := x"ffef0000";
constant base_io_pwm_c : std_ulogic_vector(31 downto 0) := x"fff00000";
constant base_io_gptmr_c : std_ulogic_vector(31 downto 0) := x"fff10000";
constant base_io_onewire_c : std_ulogic_vector(31 downto 0) := x"fff20000";
constant base_io_xirq_c : std_ulogic_vector(31 downto 0) := x"fff30000";
constant base_io_mtime_c : std_ulogic_vector(31 downto 0) := x"fff40000";
constant base_io_uart0_c : std_ulogic_vector(31 downto 0) := x"fff50000";
constant base_io_uart1_c : std_ulogic_vector(31 downto 0) := x"fff60000";
constant base_io_sdi_c : std_ulogic_vector(31 downto 0) := x"fff70000";
constant base_io_spi_c : std_ulogic_vector(31 downto 0) := x"fff80000";
constant base_io_twi_c : std_ulogic_vector(31 downto 0) := x"fff90000";
constant base_io_trng_c : std_ulogic_vector(31 downto 0) := x"fffa0000";
constant base_io_wdt_c : std_ulogic_vector(31 downto 0) := x"fffb0000";
constant base_io_gpio_c : std_ulogic_vector(31 downto 0) := x"fffc0000";
constant base_io_neoled_c : std_ulogic_vector(31 downto 0) := x"fffd0000";
constant base_io_sysinfo_c : std_ulogic_vector(31 downto 0) := x"fffe0000";
constant base_io_ocd_c : std_ulogic_vector(31 downto 0) := x"ffff0000";

-- On-Chip Debugger - Debug Module Entry Points (Code ROM) --
constant dm_exc_entry_c : std_ulogic_vector(31 downto 0) := x"ffffff00"; -- = base_io_dm_c + 0, exceptions entry point
constant dm_park_entry_c : std_ulogic_vector(31 downto 0) := x"ffffff08"; -- = base_io_dm_c + 8, normal entry point
constant dm_exc_entry_c : std_ulogic_vector(31 downto 0) := x"ffffff00"; -- = base_io_ocd_c + code_rom + 0
constant dm_park_entry_c : std_ulogic_vector(31 downto 0) := x"ffffff08"; -- = base_io_ocd_c + code_rom + 8

-- **********************************************************************************************************
-- SoC Definitions
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