before adding extra register layer between channel buffers outputs and memory controller (943fc4a1) · Commits · Elphel / x393

address_map.txt

+55 −0

Original line number	Diff line number	Diff line
		parameter MCONTR_WR_MASK = 'h3c00, // AXI write address mask for the 1Kx32 buffers command sequence memory
		parameter MCONTR_RD_MASK = 'h3c00, // AXI read address mask to generate busy
		parameter MCONTR_CMD_WR_ADDR = 'h0000, // AXI write to command sequence memory
		parameter MCONTR_BUF0_RD_ADDR = 'h0400, // AXI read address from buffer 0 (PS sequence, memory read)
		parameter MCONTR_BUF0_WR_ADDR = 'h0400, // AXI write address to buffer 0 (PS sequence, memory write)
		parameter MCONTR_BUF1_RD_ADDR = 'h0800, // AXI read address from buffer 1 (PL sequence, scanline, memory read)
		parameter MCONTR_BUF1_WR_ADDR = 'h0800, // AXI write address to buffer 1 (PL sequence, scanline, memory write)
		parameter MCONTR_BUF2_RD_ADDR = 'h0c00, // AXI read address from buffer 2 (PL sequence, tiles, memory read)
		parameter MCONTR_BUF2_WR_ADDR = 'h0c00, // AXI write address to buffer 2 (PL sequence, tiles, memory write)
		parameter MCONTR_BUF3_RD_ADDR = 'h1000, // AXI read address from buffer 3 (PL sequence, scanline, memory read)
		parameter MCONTR_BUF3_WR_ADDR = 'h1000, // AXI write address to buffer 3 (PL sequence, scanline, memory write)
		parameter MCONTR_BUF4_RD_ADDR = 'h1400, // AXI read address from buffer 4 (PL sequence, tiles, memory read)
		parameter MCONTR_BUF4_WR_ADDR = 'h1400, // AXI write address to buffer 4 (PL sequence, tiles, memory write)
		parameter CONTROL_ADDR = 'h2000, // AXI write address of control write registers
		parameter CONTROL_ADDR_MASK = 'h3800, // AXI write address of control registers
		// so 'h2000..'h23ff (CONTROL_ADDR) - no busy when writing, 'h2400..'h27ff (CONTROL_ADDR \| BUSY_WR_ADDR) generates busy if fifo half full
		parameter BUSY_WR_ADDR = 'h1400, // AXI write address to generate busy
		parameter BUSY_WR_ADDR_MASK = 'h3c00, // AXI write address mask to generate busy during memory controller register write
		parameter STATUS_ADDR = 'h2800, // AXI write address of status read registers
		parameter STATUS_ADDR_MASK = 'h3c00, // AXI write address of status registers
		parameter AXI_WR_ADDR_BITS = 14,
		parameter AXI_RD_ADDR_BITS = 14,
		parameter STATUS_DEPTH= 8, // 256 cells, maybe just 16..64 are enough?


		--------------
		.MCONTR_WR_MASK (MCONTR_WR_MASK),
		.MCONTR_RD_MASK (MCONTR_RD_MASK),
		.MCONTR_CMD_WR_ADDR (MCONTR_CMD_WR_ADDR),
		.MCONTR_BUF0_RD_ADDR (MCONTR_BUF0_RD_ADDR),
		.MCONTR_BUF0_WR_ADDR (MCONTR_BUF0_WR_ADDR),
		.MCONTR_BUF1_RD_ADDR (MCONTR_BUF1_RD_ADDR),
		.MCONTR_BUF1_WR_ADDR (MCONTR_BUF1_WR_ADDR),
		.MCONTR_BUF2_RD_ADDR (MCONTR_BUF2_RD_ADDR),
		.MCONTR_BUF2_WR_ADDR (MCONTR_BUF2_WR_ADDR),
		.MCONTR_BUF3_RD_ADDR (MCONTR_BUF3_RD_ADDR),
		.MCONTR_BUF3_WR_ADDR (MCONTR_BUF3_WR_ADDR),
		.MCONTR_BUF4_RD_ADDR (MCONTR_BUF4_RD_ADDR),
		.MCONTR_BUF4_WR_ADDR (MCONTR_BUF4_WR_ADDR),
		.CONTROL_ADDR (CONTROL_ADDR),
		.CONTROL_ADDR_MASK (CONTROL_ADDR_MASK),
		.BUSY_WR_ADDR (BUSY_WR_ADDR),
		.BUSY_WR_ADDR_MASK (BUSY_WR_ADDR_MASK),
		.STATUS_ADDR (STATUS_ADDR),
		.STATUS_ADDR_MASK (STATUS_ADDR_MASK),
		.AXI_WR_ADDR_BITS (AXI_WR_ADDR_BITS),
		.AXI_RD_ADDR_BITS (AXI_RD_ADDR_BITS),
		.STATUS_DEPTH (STATUS_DEPTH),

		ddrc_control
		parameter BUSY_WR_ADDR = 'h1800, // AXI write address to generate busy
		parameter BUSY_WR_ADDR_MASK = 'h1c00, // AXI write address mask to generate busy



		//0x1080..10ff - 8- bit data - to set various delay values
		parameter DLY_LD = 'h080, // address to generate delay load
		parameter DLY_LD_MASK = 'h380, // address mask to generate delay load

cmd_mux.v

+3 −3

Original line number	Diff line number	Diff line
		@@ -21,9 +21,9 @@
		`timescale 1ns/1ps

		module cmd_mux #(
		parameter AXI_WR_ADDR_BITS= 13,
		parameter CONTROL_ADDR = 'h1000, // AXI write address of control write registers
		parameter CONTROL_ADDR_MASK = 'h1400, // AXI write address of control registers
		parameter AXI_WR_ADDR_BITS= 14,
		parameter CONTROL_ADDR = 'h2000, // AXI write address of control write registers
		parameter CONTROL_ADDR_MASK = 'h3c00, // AXI write address of control registers
		parameter NUM_CYCLES_LOW_BIT= 6, // decode addresses [NUM_CYCLES_LOW_BIT+:4] into command a/d length
		parameter NUM_CYCLES_00 = 9, // single-cycle
		parameter NUM_CYCLES_01 = 2, // 2-cycle

includes/x393_parameters.vh

+10 −16

Original line number	Diff line number	Diff line
		@@ -18,17 +18,11 @@
		* You should have received a copy of the GNU General Public License
		* along with this program. If not, see <http://www.gnu.org/licenses/> .
		*******************************************************************************/
		parameter MCONTR_WR_MASK = 'h1c00, // AXI write address mask for the 1Kx32 buffers command sequence memory
		parameter MCONTR_RD_MASK = 'h1c00, // AXI read address mask to generate busy

		parameter MCONTR_WR_MASK = 'h3c00, // AXI write address mask for the 1Kx32 buffers command sequence memory
		parameter MCONTR_RD_MASK = 'h3c00, // AXI read address mask to generate busy
		parameter MCONTR_CMD_WR_ADDR = 'h0000, // AXI write to command sequence memory
		parameter MCONTR_BUF0_RD_ADDR = 'h0400, // AXI read address from buffer 0 (PS sequence, memory read)
		parameter MCONTR_BUF0_WR_ADDR = 'h0400, // AXI write address to buffer 0 (PS sequence, memory write)
		// parameter MCONTR_BUF0_WR_ADDR = 'h0400, // AXI write address to buffer 1 (PS sequence, memory write)
		// parameter MCONTR_BUF2_RD_ADDR = 'h0800, // AXI read address from buffer 2 (PL sequence, scanline, memory read)
		// parameter MCONTR_BUF3_WR_ADDR = 'h0800, // AXI write address to buffer 3 (PL sequence, scanline, memory write)
		// parameter MCONTR_BUF4_RD_ADDR = 'h0c00, // AXI read address from buffer 4 (PL sequence, tiles, memory read)
		// parameter MCONTR_BUF5_WR_ADDR = 'h0c00, // AXI write address to buffer 5 (PL sequence, scanline, memory write)
		parameter MCONTR_BUF1_RD_ADDR = 'h0800, // AXI read address from buffer 1 (PL sequence, scanline, memory read)
		parameter MCONTR_BUF1_WR_ADDR = 'h0800, // AXI write address to buffer 1 (PL sequence, scanline, memory write)
		parameter MCONTR_BUF2_RD_ADDR = 'h0c00, // AXI read address from buffer 2 (PL sequence, tiles, memory read)
		@@ -37,6 +31,14 @@
		parameter MCONTR_BUF3_WR_ADDR = 'h1000, // AXI write address to buffer 3 (PL sequence, scanline, memory write)
		parameter MCONTR_BUF4_RD_ADDR = 'h1400, // AXI read address from buffer 4 (PL sequence, tiles, memory read)
		parameter MCONTR_BUF4_WR_ADDR = 'h1400, // AXI write address to buffer 4 (PL sequence, tiles, memory write)
		parameter CONTROL_ADDR = 'h2000, // AXI write address of control write registers
		parameter CONTROL_ADDR_MASK = 'h3c00, // AXI write address of control registers
		parameter STATUS_ADDR = 'h2400, // AXI write address of status read registers
		parameter STATUS_ADDR_MASK = 'h3c00, // AXI write address of status registers
		parameter AXI_WR_ADDR_BITS = 14,
		parameter AXI_RD_ADDR_BITS = 14,
		parameter STATUS_DEPTH= 8, // 256 cells, maybe just 16..64 are enough?

		//command interface parameters
		parameter DLY_LD = 'h080, // address to generate delay load
		parameter DLY_LD_MASK = 'h380, // address mask to generate delay load
		@@ -151,14 +153,6 @@
		parameter CMD_PAUSE_BITS= 10,
		parameter CMD_DONE_BIT= 10,

		parameter STATUS_ADDR = 'h1400, // AXI write address of status read registers
		parameter STATUS_ADDR_MASK = 'h1400, // AXI write address of status registers
		parameter STATUS_DEPTH= 8, // 256 cells, maybe just 16..64 are enough?

		parameter AXI_WR_ADDR_BITS = 13,
		parameter AXI_RD_ADDR_BITS = 13,
		parameter CONTROL_ADDR = 'h1000, // AXI write address of control write registers
		parameter CONTROL_ADDR_MASK = 'h1400, // AXI write address of control registers
		parameter NUM_CYCLES_LOW_BIT= 'h6, // decode addresses [NUM_CYCLES_LOW_BIT+:4] into command a/d length
		// TODO: put actual data
		parameter NUM_CYCLES_00 = 2, // 2-cycle 000.003f

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