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Add upload request support

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This commit is contained in:
Jim Gregory
2021-09-06 12:41:58 +01:00
committed by GitHub
parent 5ab2cb8ca7
commit 2fd61cda18
1 changed files with 7 additions and 0 deletions
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7
sys/hps_io.sv
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@@ -104,6 +104,7 @@ module hps_io #(parameter CONF_STR, CONF_STR_BRAM=1, PS2DIV=0, WIDE=0, VDNUM=1,
output reg [26:0] ioctl_addr, // in WIDE mode address will be incremented by 2
output reg [DW:0] ioctl_dout,
output reg ioctl_upload = 0, // signal indicating an active upload
input ioctl_upload_req,
input [DW:0] ioctl_din,
output reg ioctl_rd,
output reg [31:0] ioctl_file_ext,
@@ -250,6 +251,8 @@ always@(posedge clk_sys) begin : uio_block
reg [3:0] stflg = 0;
reg [63:0] status_req;
reg old_status_set = 0;
reg old_upload_req = 0;
reg upload_req = 0;
reg old_info = 0;
reg [7:0] info_n = 0;
reg [15:0] tmp1;
@@ -261,6 +264,9 @@ always@(posedge clk_sys) begin : uio_block
stflg <= stflg + 1'd1;
status_req <= status_in;
end
old_upload_req <= ioctl_upload_req;
if(~old_upload_req & ioctl_upload_req) upload_req <= 1;
old_info <= info_req;
if(~old_info & info_req) info_n <= info;
@@ -308,6 +314,7 @@ always@(posedge clk_sys) begin : uio_block
'h32: io_dout <= gamma_bus[21];
'h36: begin io_dout <= info_n; info_n <= 0; end
'h39: io_dout <= 1;
'h3C: if(upload_req) begin io_dout <= 1; upload_req <= 0; end
endcase
sd_buff_addr <= 0;