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[/] [amber/] [trunk/] [hw/] [vlog/] [amber23/] [a23_wishbone.v] - Diff between revs 42 and 53
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| Rev 42 |
Rev 53 |
| Line 105... |
Line 105... |
wire read_ack;
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wire read_ack;
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wire wait_write_ack;
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wire wait_write_ack;
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wire wb_wait;
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wire wb_wait;
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// Write buffer
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// Write buffer
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reg [31:0] wbuf_data_r = 'd0;
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reg [31:0] wbuf_addr_r = 'd0;
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reg [31:0] wbuf_addr_r = 'd0;
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reg [3:0] wbuf_sel_r = 'd0;
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reg [3:0] wbuf_sel_r = 'd0;
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reg wbuf_busy_r = 'd0;
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reg wbuf_busy_r = 'd0;
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| Line 147... |
Line 146... |
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always @( posedge i_clk )
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always @( posedge i_clk )
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if ( wb_wait && !wbuf_busy_r && (core_write_request || cache_write_request) )
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if ( wb_wait && !wbuf_busy_r && (core_write_request || cache_write_request) )
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begin
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begin
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wbuf_data_r <= i_write_data;
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wbuf_addr_r <= i_address;
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wbuf_addr_r <= i_address;
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wbuf_sel_r <= i_byte_enable;
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wbuf_sel_r <= i_byte_enable;
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wbuf_busy_r <= 1'd1;
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wbuf_busy_r <= 1'd1;
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end
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end
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else if (!o_wb_stb)
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else if (!o_wb_stb)
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