LLC-Partitioning:

Fix latch problems in synthesis.
pulp-platform · Sep 29, 2023 · ab15200 · ab15200
1 parent 8583261
commit ab15200
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Showing 4 changed files with 6 additions and 28 deletions.
diff --git a/Bender.lock b/Bender.lock
@@ -24,7 +24,7 @@ packages:
     - common_verification
     - tech_cells_generic
   axi_llc:
-    revision: ef30225613a585b96264866f866c5e36e23f1481
+    revision: 7d7fc1349d4915a657de535a491bc26fbf0d2cfa
     version: null
     source:
       Git: https://github.com/pulp-platform/axi_llc.git
@@ -172,7 +172,7 @@ packages:
     - common_cells
     - register_interface
   tagger:
-    revision: 044d92c17728e7c608cd6678d01ec2d749c7ab83
+    revision: 2149244de2a9914cff33722d0d527ca3c1b3c877
     version: null
     source:
       Git: git@iis-git.ee.ethz.ch:dishen/tagger.git

diff --git a/Bender.yml b/Bender.yml
@@ -14,7 +14,7 @@ package:
 dependencies:
   apb_uart:                 { git: "https://github.com/pulp-platform/apb_uart.git",               version: 0.2.1  }
   axi:                      { git: "https://github.com/pulp-platform/axi",                        rev: 4fb5a02    }
-  axi_llc:                  { git: "https://github.com/pulp-platform/axi_llc",                    rev: ef30225    }
+  axi_llc:                  { git: "https://github.com/pulp-platform/axi_llc",                    rev: 7d7fc13    }
   axi_riscv_atomics:        { git: "https://github.com/pulp-platform/axi_riscv_atomics.git",      version: 0.8.1  }
   axi_rt:                   { git: "https://github.com/pulp-platform/axi_rt.git",                 version: 0.0.0-alpha.3 }
   axi_vga:                  { git: "https://github.com/pulp-platform/axi_vga.git",                version: 0.1.1  }
@@ -29,7 +29,7 @@ dependencies:
   register_interface:       { git: "https://github.com/pulp-platform/register_interface.git",     version: 0.4.2  }
   riscv-dbg:                { git: "https://github.com/pulp-platform/riscv-dbg.git",              version: 0.8.0  }
   serial_link:              { git: "https://github.com/pulp-platform/serial_link.git",            version: 1.1.0  }
-  tagger:                   { git: "git@iis-git.ee.ethz.ch:dishen/tagger.git",                    rev: 044d92c    }
+  tagger:                   { git: "git@iis-git.ee.ethz.ch:dishen/tagger.git",                    rev: 2149244    }
   unbent:                   { git: "https://github.com/pulp-platform/unbent.git",                 version: 0.1.5  }
 
 export_include_dirs:

diff --git a/sw/tests/helloworld.c b/sw/tests/helloworld.c
@@ -15,30 +15,6 @@
 #include "regs/axi_llc.h"
 
 int main(void) {
-
-    // Configure LLC partitioning
-    uint32_t *a = (0x03001054);
-    *a = 0xa000;        // give pat0 size 0xa0
-    a = (0x03001064);   // commit changes for llc
-    *a = 1;
-
-    // Configure Tagger for partitioning
-
-    a = (0x0300a004);   // set addr range from 0 to 0xffff_ffff
-    *a = (0xffffffff >> 2);
-    a = (0x0300a050);   // set TOR mode
-    *a = 1;
-    a = (0x0300a044);   // set user signal to 1
-    *a = 1;
-    a = (0x0300a000);   // commit changes for tagger
-    *a = 1;
-
-    // Switch LLC into non-SPM mode
-    a = (0x03001000);
-    *a = 0;
-    a = (0x03001010);
-    *a = 1;
-
     char str[] = "Hello World!\r\n";
     uint32_t rtc_freq = *reg32(&__base_regs, CHESHIRE_RTC_FREQ_REG_OFFSET);
     uint64_t reset_freq = clint_get_core_freq(rtc_freq, 2500);

diff --git a/target/xilinx/src/cheshire_top_xilinx.sv b/target/xilinx/src/cheshire_top_xilinx.sv
@@ -127,6 +127,8 @@ module cheshire_top_xilinx
     LlcCachePartition : 0,
     LlcMaxPartition   : 0,
     LlcRemapHash      : axi_llc_pkg::Modulo,
+    LlcUserAmoMsb     : 6,
+    LlcUserAmoLsb     : 2,
     // VGA: RGB332
     VgaRedWidth       : 5,
     VgaGreenWidth     : 6,