Hardware
/
litex
mirror of https://github.com/enjoy-digital/litex.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

bios/sdram: use ddrphy_half_sys8x_taps_read() for KUSDDRPHY

This commit is contained in:
Florent Kermarrec 2018-12-17 11:43:21 +01:00
parent 0ade06c0f0
commit efce434aa9
1 changed files with 2 additions and 6 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

8
litex/soc/software/bios/sdram.c
View File

@ -253,11 +253,7 @@ int write_level(void)
int ok;
#ifdef KUSDDRPHY
err_ddrphy_wdly = ERR_DDRPHY_DELAY; /* FIXME */
#else
err_ddrphy_wdly = ERR_DDRPHY_DELAY - ddrphy_half_sys8x_taps_read() - 1;
#endif
printf("Write leveling:\n");
@ -272,7 +268,7 @@ int write_level(void)
ddrphy_wdly_dq_rst_write(1);
ddrphy_wdly_dqs_rst_write(1);
#ifdef KUSDDRPHY /* need to init manually on Ultrascale */
for(j=0; j<ddrphy_wdly_dqs_taps_read(); j++)
for(j=0; j<ddrphy_half_sys8x_taps_read(); j++)
ddrphy_wdly_dqs_inc_write(1);
#endif
/* scan taps */
@ -320,7 +316,7 @@ int write_level(void)
ddrphy_wdly_dq_rst_write(1);
ddrphy_wdly_dqs_rst_write(1);
#ifdef KUSDDRPHY /* need to init manually on Ultrascale */
for(j=0; j<ddrphy_wdly_dqs_taps_read(); j++)
for(j=0; j<ddrphy_half_sys8x_taps_read(); j++)
ddrphy_wdly_dqs_inc_write(1);
#endif
for(j=0; j<delays[i]; j++) {