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fix: cmos change wasn't reported.

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This commit is contained in:
Sorgelig
2022-02-21 08:32:02 +08:00
parent 1f2ecabcf7
commit 5bc3d70de4
1 changed files with 4 additions and 2 deletions
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6
rtl/hps_ext.v
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@@ -42,7 +42,8 @@ assign EXT_BUS[15:0] = io_dout;
wire [15:0] io_din = EXT_BUS[31:16];
assign EXT_BUS[32] = io_dout_en;
wire io_strobe = EXT_BUS[33];
wire io_enable = EXT_BUS[34];
wire io_enable = EXT_BUS[34] | fp_enable;
wire fp_enable = EXT_BUS[35];
localparam EXT_CMD_MIN = 4;
localparam EXT_CMD_MAX = 5;
@@ -83,8 +84,9 @@ always@(posedge clk_sys) begin
if(byte_cnt == 0) begin
cmd <= io_din[7:0];
io_dout_en <= (io_din >= EXT_CMD_MIN && io_din <= EXT_CMD_MAX) || (io_din >= EXT_CMD_MIN2 && io_din <= EXT_CMD_MAX2);
io_dout_en <= fp_enable ? !io_din : ((io_din >= EXT_CMD_MIN && io_din <= EXT_CMD_MAX) || (io_din >= EXT_CMD_MIN2 && io_din <= EXT_CMD_MAX2));
if(io_din == 'h63) io_dout <= {4'hE, 2'b00, 2'b00, 2'b00, ide_req};
if(io_din == 'h00) io_dout <= cmos_cnt;
end
else begin
case(cmd)