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fpga/fw/testfw: Remove Blake2s register

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Since the introduction of the syscall mechanism we don't allow
execution in ROM anymore so it's impossible to call the firmware's
blake2s() function.

Co-authored-by: Mikael Ågren <mikael@tillitis.se>
This commit is contained in:
Michael Cardell Widerkrantz 2025-02-19 16:15:31 +01:00 • committed by Mikael Ågren
parent 24ef39b739
commit 5eb020275b
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GPG key ID: E02DA3D397792C46
5 changed files with 1 additions and 66 deletions
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21
hw/application_fpga/core/tk1/rtl/tk1.v
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@ -81,8 +81,6 @@ module tk1 #(
localparam ADDR_APP_START = 8'h0c;
localparam ADDR_APP_SIZE = 8'h0d;
localparam ADDR_BLAKE2S = 8'h10;
localparam ADDR_CDI_FIRST = 8'h20;
localparam ADDR_CDI_LAST = 8'h27;
@ -137,9 +135,6 @@ module tk1 #(
reg [31 : 0] app_size_reg;
reg app_size_we;
reg [31 : 0] blake2s_addr_reg;
reg blake2s_addr_we;
reg [23 : 0] cpu_trap_ctr_reg;
reg [23 : 0] cpu_trap_ctr_new;
reg [ 2 : 0] cpu_trap_led_reg;
@ -262,7 +257,6 @@ module tk1 #(
gpio4_reg <= 1'h0;
app_start_reg <= 32'h0;
app_size_reg <= APP_SIZE;
blake2s_addr_reg <= 32'h0;
cdi_mem[0] <= 32'h0;
cdi_mem[1] <= 32'h0;
cdi_mem[2] <= 32'h0;
@ -317,10 +311,6 @@ module tk1 #(
app_size_reg <= write_data;
end
if (blake2s_addr_we) begin
blake2s_addr_reg <= write_data;
end
if (cdi_mem_we) begin
cdi_mem[address[2 : 0]] <= write_data;
end
@ -512,7 +502,6 @@ module tk1 #(
gpio4_we = 1'h0;
app_start_we = 1'h0;
app_size_we = 1'h0;
blake2s_addr_we = 1'h0;
cdi_mem_we = 1'h0;
ram_addr_rand_we = 1'h0;
ram_data_rand_we = 1'h0;
@ -558,12 +547,6 @@ module tk1 #(
system_reset_new = 1'h1;
end
if (address == ADDR_BLAKE2S) begin
if (!app_mode_reg) begin
blake2s_addr_we = 1'h1;
end
end
if ((address >= ADDR_CDI_FIRST) && (address <= ADDR_CDI_LAST)) begin
if (!app_mode_reg) begin
cdi_mem_we = 1'h1;
@ -644,10 +627,6 @@ module tk1 #(
tmp_read_data = app_size_reg;
end
if (address == ADDR_BLAKE2S) begin
tmp_read_data = blake2s_addr_reg;
end
if ((address >= ADDR_CDI_FIRST) && (address <= ADDR_CDI_LAST)) begin
tmp_read_data = cdi_mem[address[2 : 0]];
end