From 66b78e585e330a196a1f3f2f55f420f59d34829b Mon Sep 17 00:00:00 2001 From: Alejandro Soto Date: Mon, 20 Nov 2023 16:06:44 -0600 Subject: rtl/gfx: implement host memory interface --- rtl/gfx/gfx_defs.sv | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) (limited to 'rtl/gfx/gfx_defs.sv') diff --git a/rtl/gfx/gfx_defs.sv b/rtl/gfx/gfx_defs.sv index 86fa21a..20102a4 100644 --- a/rtl/gfx/gfx_defs.sv +++ b/rtl/gfx/gfx_defs.sv @@ -162,9 +162,13 @@ typedef struct packed `define GFX_MEM_SUBWORD_BITS ($clog2(`GFX_MEM_DATA_BITS / 8)) `define GFX_MEM_ADDR_BITS (`GFX_MEM_WORD_ADDR_BITS + `GFX_MEM_SUBWORD_BITS) `define GFX_MEM_RESPONSE_DEPTH 2 // Ajustar -`define GFX_MEM_TRANS_DEPTH 4 // Ajustar +`define GFX_MEM_TRANS_DEPTH 4 // NO TOCAR, ver `GFX_MEM_MAX_PENDING_READS `define GFX_MEM_DISPATCH_DEPTH 8 // Nótese que platform.vram_0.s1.maximumPendingReadTransactions = 7 +// NO TOCAR. Esto debe coincidir perfectamente con gfx_hw.tcl +`define GFX_VRAM_MAX_PENDING_READS 7 // platform.vram_0.s1.maximumPendingReadTransactions +`define GFX_MEM_MAX_PENDING_READS (1 + `GFX_MEM_TRANS_DEPTH + 1 + `GFX_VRAM_MAX_PENDING_READS) + typedef logic[`GFX_MEM_DATA_BITS - 1:0] vram_word; typedef logic[`GFX_MEM_ADDR_BITS - 1:0] vram_byte_addr; typedef logic[`GFX_MEM_WORD_ADDR_BITS - 1:0] vram_addr; -- cgit v1.2.3