diff options
| author | Alejandro Soto <alejandro@34project.org> | 2024-05-21 12:29:30 -0600 |
|---|---|---|
| committer | Alejandro Soto <alejandro@34project.org> | 2024-05-24 05:58:42 -0600 |
| commit | bd5f7ec56e966855bc3c878fde3819bafe6f6c1e (patch) | |
| tree | 1a154e7c5bd83b7554e1f13fd53fb96db9d00b12 /platform/wavelet3d/w3d_interconnect.sv | |
| parent | e15674334408644143aa6dbce6657614e59da370 (diff) | |
rtl/gfx, platform/wavelet3d, target/w3d_de1soc: add system-wide RAM mappings
Diffstat (limited to '')
| -rw-r--r-- | platform/wavelet3d/w3d_interconnect.sv | 14 |
1 files changed, 9 insertions, 5 deletions
diff --git a/platform/wavelet3d/w3d_interconnect.sv b/platform/wavelet3d/w3d_interconnect.sv index 17d7522..22dd5ee 100644 --- a/platform/wavelet3d/w3d_interconnect.sv +++ b/platform/wavelet3d/w3d_interconnect.sv @@ -58,11 +58,15 @@ module w3d_interconnect_dram if_axib.m dram ); - defparam xbar.NM = 3; - defparam xbar.NS = 1; - defparam xbar.OPT_LOWPOWER = 0; + // VRAM es 0x1c000000..0x1fffffff + function logic[31:0] vram_addr(logic[31:0] addr); + return {6'b000111, addr[25:0]}; + endfunction defparam + xbar.NM = 3, + xbar.NS = 1, + xbar.OPT_LOWPOWER = 0, xbar.SLAVE_ADDR = '0, xbar.SLAVE_MASK = '0, xbar.C_AXI_ID_WIDTH = 8; @@ -88,7 +92,7 @@ module w3d_interconnect_dram host_ibus.awid }), .S_AXI_AWADDR({ - gfx_vram.awaddr, + vram_addr(gfx_vram.awaddr), host_dbus.awaddr, host_ibus.awaddr }), @@ -175,7 +179,7 @@ module w3d_interconnect_dram host_ibus.arid }), .S_AXI_ARADDR({ - gfx_vram.araddr, + vram_addr(gfx_vram.araddr), host_dbus.araddr, host_ibus.araddr }), |