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soc/software/bios/sdram: ECP5 move strobe dly_sel

This commit is contained in:
Greg Davill 2020-01-26 09:55:38 +10:30
parent f84f57d651
commit 1f43906236
1 changed files with 12 additions and 6 deletions
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18
litex/soc/software/bios/sdram.c
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@ -419,6 +419,12 @@ static void read_delay_rst(int module) {
/* unsel module */ /* unsel module */
ddrphy_dly_sel_write(0); ddrphy_dly_sel_write(0);
#ifdef ECP5DDRPHY
/* Sync all DQSBUFM's, By toggling all dly_sel (DQSBUFM.PAUSE) lines. */
ddrphy_dly_sel_write(0xFF);
ddrphy_dly_sel_write(0);
#endif
} }
static void read_delay_inc(int module) { static void read_delay_inc(int module) {
@ -430,6 +436,12 @@ static void read_delay_inc(int module) {
/* unsel module */ /* unsel module */
ddrphy_dly_sel_write(0); ddrphy_dly_sel_write(0);
#ifdef ECP5DDRPHY
/* Sync all DQSBUFM's, By toggling all dly_sel (DQSBUFM.PAUSE) lines. */
ddrphy_dly_sel_write(0xFF);
ddrphy_dly_sel_write(0);
#endif
} }
static void read_bitslip_rst(char m) static void read_bitslip_rst(char m)
@ -943,12 +955,6 @@ int sdrlevel(void)
printf("\n"); printf("\n");
} }
#ifdef ECP5DDRPHY
/* Toggle all dly_sel lines.
* Which toggles all DQSBUFM.PAUSE lines, this ensures they're using the correct delays. */
ddrphy_dly_sel_write(0xFF);
ddrphy_dly_sel_write(0);
#endif
return 1; return 1;
} }