From e8fb3bbedca650c3b5fdf0e620bdc231bc85fd55 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Joachim=20Stro=CC=88mbergson?= Date: Fri, 23 Nov 2018 12:55:36 +0100 Subject: Added ability observe mkmif state. Realized that the write operation handler was under read operation handling. Fixed this and now status write works. We can observe 0xdeadbeef in the memory after status write operation. --- src/rtl/keywrap_mkmif.v | 40 +++++++++++++++++++++++----------------- 1 file changed, 23 insertions(+), 17 deletions(-) (limited to 'src/rtl/keywrap_mkmif.v') diff --git a/src/rtl/keywrap_mkmif.v b/src/rtl/keywrap_mkmif.v index e2b9302..88af6f8 100644 --- a/src/rtl/keywrap_mkmif.v +++ b/src/rtl/keywrap_mkmif.v @@ -282,27 +282,33 @@ module keywrap_mkmif ( keywrap_mkmif_ctrl_new = CTRL_READ_STATUS_WAIT; keywrap_mkmif_ctrl_we = 1'h1; end + end + + if (write) + begin + ready_new = 1'h0; + ready_we = 1'h1; - if (write) - if (key_status) - begin - key_word_ctr_rst = 1'h1; - keywrap_mkmif_ctrl_new = CTRL_WRITE_KEY; - keywrap_mkmif_ctrl_we = 1'h1; - end - else - begin - mkm_write_op = 1'h1; - mkm_addr_new = MKM_STATUS_WORD; - mkm_addr_we = 1'h1; - mkm_write_data_new = wr_status; - mkm_write_data_we = 1'h1; - keywrap_mkmif_ctrl_new = CTRL_WAIT; - keywrap_mkmif_ctrl_we = 1'h1; - end + if (key_status) + begin + key_word_ctr_rst = 1'h1; + keywrap_mkmif_ctrl_new = CTRL_WRITE_KEY; + keywrap_mkmif_ctrl_we = 1'h1; + end + else + begin + mkm_write_op = 1'h1; + mkm_addr_new = MKM_STATUS_WORD; + mkm_addr_we = 1'h1; + mkm_write_data_new = wr_status; + mkm_write_data_we = 1'h1; + keywrap_mkmif_ctrl_new = CTRL_WAIT; + keywrap_mkmif_ctrl_we = 1'h1; + end end end + CTRL_WAIT: begin if (mkm_ready) -- cgit v1.2.3