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Re-added ZPU and made it one of 3 selectable soft cpus. Verified Evo, Flex and Small models work in this environment.

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This commit is contained in:
Philip Smart
2020-05-05 23:53:09 +01:00
parent 9ae4e8a83b
commit ac1ba0f774
142 changed files with 809733 additions and 603 deletions
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40
sys/sys_top.v
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@@ -59,7 +59,7 @@ module sys_top
`endif
//////////// SDR ///////////
`ifndef LITE
//`ifndef LITE
output [12:0] SDRAM_A,
inout [15:0] SDRAM_DQ,
output SDRAM_DQML,
@@ -71,15 +71,17 @@ module sys_top
output [1:0] SDRAM_BA,
output SDRAM_CLK,
output SDRAM_CKE,
`else
input UART_RX,
output UART_TX,
`endif
//`else
input UART_RX_0,
output UART_TX_0,
input UART_RX_1,
output UART_TX_1,
//`endif
//////////// I/O ///////////
output LED_USER,
output LED_HDD,
output LED_POWER,
// output LED_USER,
// output LED_HDD,
// output LED_POWER,
input BTN_USER,
input BTN_OSD,
input BTN_RESET,
@@ -115,9 +117,9 @@ wire led_u = ~led_user;
wire [7:0] led_mb;
assign LED = led_mb;
assign LED_POWER = led_p ? 1'bZ : 1'b0;
assign LED_HDD = led_d ? 1'bZ : 1'b0;
assign LED_USER = led_u ? 1'bZ : 1'b0;
//assign LED_POWER = led_p ? 1'bZ : 1'b0;
//assign LED_HDD = led_d ? 1'bZ : 1'b0;
//assign LED_USER = led_u ? 1'bZ : 1'b0;
//LEDs on main board
//assign LED = (led_overtake & led_state) | (~led_overtake & {3'b000, ~led_p, 1'b0, ~led_d, 1'b0, ~led_u});
@@ -940,8 +942,6 @@ emu emu
.SD_CS(SDIO_DAT[3]),
.SD_CD(VGA_EN ? VGA_HS : SDIO_CD),
.DDRAM_CLK(ram_clk),
.DDRAM_ADDR(ram_address),
.DDRAM_BURSTCNT(ram_burstcount),
@@ -953,7 +953,7 @@ emu emu
.DDRAM_BE(ram_byteenable),
.DDRAM_WE(ram_write)
`ifndef LITE
//`ifndef LITE
,
.SDRAM_DQ(SDRAM_DQ),
.SDRAM_A(SDRAM_A),
@@ -965,11 +965,13 @@ emu emu
.SDRAM_nRAS(SDRAM_nRAS),
.SDRAM_nCAS(SDRAM_nCAS),
.SDRAM_CLK(SDRAM_CLK),
.SDRAM_CKE(SDRAM_CKE)
`else
,.UART_RX(UART_RX),
.UART_TX(UART_TX)
`endif
.SDRAM_CKE(SDRAM_CKE),
//`else
.UART_RX_0(UART_RX_0),
.UART_TX_0(UART_TX_0),
.UART_RX_1(UART_RX_1),
.UART_TX_1(UART_TX_1)
//`endif
);
endmodule