⚠️ [top] remove OCD_DM_LEGACY_MODE generic

docs/datasheet/soc.adoc

@@ -210,7 +210,6 @@ The generic type "`suv(x:y)`" is an abbreviation for "`std_ulogic_vector(x downt
 | `JEDEC_ID`              | suv(10:0) | 0b00000000000 | JEDEC ID; continuation codes plus vendor ID (passed to <<_mvendorid>> CSR and to the <<_debug_transport_module_dtm>>).
 4+^| **<<_on_chip_debugger_ocd>>**
 | `OCD_EN`                | boolean   | false         | Implement the on-chip debugger and the CPU debug mode.
-| `OCD_DM_LEGACY_MODE`    | boolean   | false         | Debug module spec. version: `false` = v1.0, `true` = v0.13 (legacy mode).
 | `OCD_AUTHENTICATION`    | boolean   | false         | Implement <<_debug_authentication>> module.
 4+^| **CPU <<_instruction_sets_and_extensions>>**
 | `RISCV_ISA_C`           | boolean   | false         | Enable <<_c_isa_extension>> (compressed instructions).

rtl/core/neorv32_package.vhd

@@ -29,7 +29,7 @@ package neorv32_package is
 
   -- Architecture Constants -----------------------------------------------------------------
   -- -------------------------------------------------------------------------------------------
-  constant hw_version_c : std_ulogic_vector(31 downto 0) := x"01100505"; -- hardware version
+  constant hw_version_c : std_ulogic_vector(31 downto 0) := x"01100506"; -- hardware version
   constant archid_c     : natural := 19; -- official RISC-V architecture ID
   constant XLEN         : natural := 32; -- native data path width
 
@@ -123,7 +123,6 @@ package neorv32_package is
   -- -------------------------------------------------------------------------------------------
   -- bus request --
   type bus_req_t is record
-    -- in-band signals --
     addr  : std_ulogic_vector(31 downto 0); -- access address
     data  : std_ulogic_vector(31 downto 0); -- write data
     ben   : std_ulogic_vector(3 downto 0); -- byte enable
@@ -132,8 +131,7 @@ package neorv32_package is
     src   : std_ulogic; -- access source (1=instruction fetch, 0=data access)
     priv  : std_ulogic; -- set if privileged (machine-mode) access
     rvso  : std_ulogic; -- set if reservation set operation (atomic LR/SC)
-    -- out-of-band signals --
+    fence : std_ulogic; -- set if fence(.i) operation, single-shot (out-of-band)
-    fence : std_ulogic; -- set if fence(.i) operation, single-shot
   end record;
 
   -- bus response --
@@ -677,7 +675,6 @@ package neorv32_package is
       INT_BOOTLOADER_EN     : boolean                        := false;
       -- On-Chip Debugger (OCD) --
       OCD_EN                : boolean                        := false;
-      OCD_DM_LEGACY_MODE    : boolean                        := false;
       OCD_AUTHENTICATION    : boolean                        := false;
       -- RISC-V CPU Extensions --
       RISCV_ISA_C           : boolean                        := false;

rtl/core/neorv32_top.vhd

@@ -30,7 +30,6 @@ entity neorv32_top is
 
     -- On-Chip Debugger (OCD) --
     OCD_EN                : boolean                        := false;       -- implement on-chip debugger
-    OCD_DM_LEGACY_MODE    : boolean                        := false;       -- debug module spec version: false = v1.0, true = v0.13
     OCD_AUTHENTICATION    : boolean                        := false;       -- implement on-chip debugger authentication
 
     -- RISC-V CPU Extensions --
@@ -253,7 +252,6 @@ architecture neorv32_top_rtl of neorv32_top is
   constant io_pwm_en_c     : boolean := boolean(IO_PWM_NUM_CH > 0);
   constant cpu_smpmp_c     : boolean := boolean(PMP_NUM_REGIONS > 0);
   constant io_sysinfo_en_c : boolean := not IO_DISABLE_SYSINFO;
-  constant ocd_auth_en_c   : boolean := OCD_EN and OCD_AUTHENTICATION;
 
   -- convert JEDEC ID to mvendorid CSR --
   constant vendorid_c : std_ulogic_vector(31 downto 0) := x"00000" & "0" & JEDEC_ID;
@@ -360,8 +358,7 @@ begin
       cond_sel_string_f(IO_SLINK_EN,               "SLINK ",      "") &
       cond_sel_string_f(IO_CRC_EN,                 "CRC ",        "") &
       cond_sel_string_f(io_sysinfo_en_c,           "SYSINFO ",    "") &
-      cond_sel_string_f(OCD_EN,                    "OCD ",        "") &
+      cond_sel_string_f(OCD_EN, cond_sel_string_f(OCD_AUTHENTICATION, "OCD-AUTH ", "OCD "), "") &
-      cond_sel_string_f(ocd_auth_en_c,             "OCD-AUTH ",   "") &
       ""
       severity note;
 
@@ -1573,8 +1570,8 @@ begin
         XIP_CACHE_EN          => XIP_CACHE_EN,
         XIP_CACHE_NUM_BLOCKS  => XIP_CACHE_NUM_BLOCKS,
         XIP_CACHE_BLOCK_SIZE  => XIP_CACHE_BLOCK_SIZE,
-        ON_CHIP_DEBUGGER_EN   => OCD_EN,
+        OCD_EN                => OCD_EN,
-        OCD_AUTHENTICATION    => ocd_auth_en_c,
+        OCD_AUTHENTICATION    => OCD_AUTHENTICATION,
         IO_GPIO_EN            => io_gpio_en_c,
         IO_MTIME_EN           => IO_MTIME_EN,
         IO_UART0_EN           => IO_UART0_EN,
@@ -1641,7 +1638,6 @@ begin
     neorv32_debug_dm_inst: entity neorv32.neorv32_debug_dm
     generic map (
       CPU_BASE_ADDR => base_io_dm_c,
-      LEGACY_MODE   => OCD_DM_LEGACY_MODE,
       AUTHENTICATOR => OCD_AUTHENTICATION
     )
     port map (