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Get SD card working in SPI

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This commit is contained in:
Byron Lathi
2023-07-23 14:55:14 -07:00
parent 6a1a76db35
commit 5ca5fca29b
23 changed files with 1257 additions and 1931 deletions
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4
hw/efinix_fpga/addr_decode.sv
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@@ -8,7 +8,7 @@ module addr_decode
output o_multiplier_cs,
output o_divider_cs,
output o_uart_cs,
output o_sdcard_cs,
output o_spi_cs,
output o_sdram_cs
);
@@ -17,7 +17,7 @@ assign o_timer_cs = i_addr >= 16'heff8 && i_addr <= 16'heffb;
assign o_multiplier_cs = i_addr >= 16'heff0 && i_addr <= 16'heff7;
assign o_divider_cs = i_addr >= 16'hefe8 && i_addr <= 16'hefef;
assign o_uart_cs = i_addr >= 16'hefe6 && i_addr <= 16'hefe7;
assign o_sdcard_cs = i_addr >= 16'hefd8 && i_addr <= 16'hefdf;
assign o_spi_cs = i_addr >= 16'hefd8 && i_addr <= 16'hefdb;
assign o_leds_cs = i_addr == 16'hefff;
assign o_sdram_cs = i_addr < 16'h8000;