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Reset cmd_ready_o in spi_txrx

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Initialize bit_count so that cmd_ready_o isn't X state immediately
after reset.

Signed-off-by: Anton Blanchard <anton@linux.ibm.com>
This commit is contained in:
Anton Blanchard
2021-01-04 05:44:23 +11:00
committed by Anton Blanchard
parent a0eb4eec17
commit a3b70ab01e
1 changed files with 10 additions and 6 deletions
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16
spi_rxtx.vhdl
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@@ -258,12 +258,16 @@ begin
count_bit: process(clk)
begin
if rising_edge(clk) then
if start_cmd = '1' then
bit_count <= cmd_clks_i;
elsif state /= DATA then
bit_count <= (others => '1');
elsif sck_recv = '1' then
bit_count <= std_ulogic_vector(unsigned(bit_count) - 1);
if rst = '1' then
bit_count <= (others => '0');
else
if start_cmd = '1' then
bit_count <= cmd_clks_i;
elsif state /= DATA then
bit_count <= (others => '1');
elsif sck_recv = '1' then
bit_count <= std_ulogic_vector(unsigned(bit_count) - 1);
end if;
end if;
end if;
end process;