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finally fixed multiple drivers problem

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This commit is contained in:
Markus Fröschle
2016-07-28 11:48:10 +00:00
parent 69d3f17a8b
commit 3cddba74a6
9 changed files with 760 additions and 907 deletions
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30
Video/DDR_CTR.vhd
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@@ -1384,17 +1384,25 @@ begin
"00000" & video_act_adr(26 downto 24) when video_cnt_h and not nfb_oe else
(others => 'Z');
u0_data <= (sizeIt(VIDEO_BASE_L,8) and VIDEO_BASE_L_D_q) or
(sizeIt(VIDEO_BASE_M,8) and VIDEO_BASE_M_D_q) or
(sizeIt(VIDEO_BASE_H,8) and VIDEO_BASE_H_D_q) or
(sizeIt(VIDEO_CNT_L,8) and VIDEO_ACT_ADR(7 downto 0)) or
(sizeIt(VIDEO_CNT_M,8) and VIDEO_ACT_ADR(15 downto 8)) or
(sizeIt(VIDEO_CNT_H,8) and VIDEO_ACT_ADR(23 downto 16));
u0_enabledt <= (VIDEO_BASE_L or VIDEO_BASE_M or VIDEO_BASE_H or VIDEO_CNT_L
or VIDEO_CNT_M or VIDEO_CNT_H) and (not nFB_OE);
fb_ad_out(23 downto 16) <= u0_tridata when u0_enabledt;
-- u0_data <= (sizeIt(VIDEO_BASE_L,8) and VIDEO_BASE_L_D_q) or
-- (sizeIt(VIDEO_BASE_M,8) and VIDEO_BASE_M_D_q) or
-- (sizeIt(VIDEO_BASE_H,8) and VIDEO_BASE_H_D_q) or
-- (sizeIt(VIDEO_CNT_L,8) and VIDEO_ACT_ADR(7 downto 0)) or
-- (sizeIt(VIDEO_CNT_M,8) and VIDEO_ACT_ADR(15 downto 8)) or
-- (sizeIt(VIDEO_CNT_H,8) and VIDEO_ACT_ADR(23 downto 16));
-- u0_enabledt <= (VIDEO_BASE_L or VIDEO_BASE_M or VIDEO_BASE_H or VIDEO_CNT_L
-- or VIDEO_CNT_M or VIDEO_CNT_H) and (not nFB_OE);
-- fb_ad_out(23 downto 16) <= u0_tridata when u0_enabledt else (others => 'Z');
fb_ad_out(23 downto 16) <= video_base_l_d_q when video_base_l and not nfb_oe else
video_base_m_d_q when video_base_m and not nfb_oe else
video_base_h_d_q when video_base_h and not nfb_oe else
video_act_adr(7 downto 0) when video_cnt_l and not nfb_oe else
video_act_adr(15 downto 8) when video_cnt_m and not nfb_oe else
video_act_adr(23 downto 16) when video_cnt_h and not nfb_oe else
(others => 'Z');
fb_ad_out(15 downto 0) <= (others => 'Z');
-- Assignments added to explicitly combine the
-- effects of multiple drivers in the source
FIFO_BANK_OK_d <= FIFO_BANK_OK_d_1 or FIFO_BANK_OK_d_2;