Enable I-Cache

diff --git a/milkymist-core/boards/avnet-sp3aevl/rtl/lm32_include.v b/milkymist-core/boards/avnet-sp3aevl/rtl/lm32_include.v
index 4b9a889..e33360b 100644 (file)
--- a/milkymist-core/boards/avnet-sp3aevl/rtl/lm32_include.v
+++ b/milkymist-core/boards/avnet-sp3aevl/rtl/lm32_include.v
@@ -45,7 +45,20 @@
 `define CFG_SIGN_EXTEND_ENABLED
 `define CFG_MC_DIVIDE_ENABLED
 
-// Caches disabled
+`define CFG_ICACHE_ENABLED
+`define CFG_ICACHE_ASSOCIATIVITY   2
+`define CFG_ICACHE_SETS            256
+`define CFG_ICACHE_BYTES_PER_LINE  16
+`define CFG_ICACHE_BASE_ADDRESS    32'h0
+`define CFG_ICACHE_LIMIT           32'h7fffffff
+
+//`define CFG_DCACHE_ENABLED
+`define CFG_DCACHE_ASSOCIATIVITY   2
+`define CFG_DCACHE_SETS            512
+`define CFG_DCACHE_BYTES_PER_LINE  16
+`define CFG_DCACHE_BASE_ADDRESS    32'h0
+`define CFG_DCACHE_LIMIT           32'h7fffffff
+
 
 //
 // End of common configuration options

diff --git a/milkymist-core/boards/avnet-sp3aevl/rtl/system.v b/milkymist-core/boards/avnet-sp3aevl/rtl/system.v
index 05adca5..e4e8131 100644 (file)
--- a/milkymist-core/boards/avnet-sp3aevl/rtl/system.v
+++ b/milkymist-core/boards/avnet-sp3aevl/rtl/system.v
@@ -391,17 +391,6 @@ lm32_top cpu(
        .D_RTY_I(1'b0)
 );
 
-`ifdef HEAVY_DEBUG
-always @(posedge sys_clk) begin
-       if(cpudbus_cyc & cpudbus_stb) begin
-               $display("DBUS: adr:%x we:%b", cpudbus_adr, cpudbus_we);
-       end
-       if(cpuibus_cyc & cpuibus_stb & cpuibus_ack) begin
-               $display("IBUS: adr:%x dat:%x", cpuibus_adr, cpuibus_dat_r);
-       end
-end
-`endif
-
 //---------------------------------------------------------------------------
 // Boot ROM
 //---------------------------------------------------------------------------
@@ -430,11 +419,11 @@ assign flash_ce_n = 1'b0;
 // BRAM
 //---------------------------------------------------------------------------
 //
-// On this board, we have 32k of SRAM instead of 4k
+// On this board, we have 16k of SRAM instead of 4k
 // so that we have space for loading some programs.
 //
 bram #(
-       .adr_width(15)
+       .adr_width(14)
 ) bram (
        .sys_clk(sys_clk),
        .sys_rst(sys_rst),

diff --git a/milkymist-core/software/bios/main.c b/milkymist-core/software/bios/main.c
index a611913..a54afbd 100644 (file)
--- a/milkymist-core/software/bios/main.c
+++ b/milkymist-core/software/bios/main.c
@@ -404,7 +404,7 @@ static void help()
        puts("This is the Milkymist BIOS debug shell.");
        puts("It is used for system development and maintainance, and not");
        puts("for regular operation.\n");
-       puts("Available commands :");
+       puts("Available commands:");
        puts("plltest    - print status of the SDRAM clocking PLLs");
        puts("memtest    - extended SDRAM test");
        puts("calibrate  - run DDR SDRAM calibration tool");

diff --git a/milkymist-core/software/include/version.h b/milkymist-core/software/include/version.h
index 57d7d60..fd6209d 100644 (file)
--- a/milkymist-core/software/include/version.h
+++ b/milkymist-core/software/include/version.h
@@ -1,6 +1,6 @@
 #ifndef __VERSION_H
 #define __VERSION_H
 
-#define VERSION "0.1"
+#define VERSION "0.1.1"
 
 #endif /* __VERSION_H */