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Merge pull request #359 from gregdavill/bios_ddr3_ecp5

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soc/software/bios/sdram: On ECP5 strobe dly_sel after read leveling
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enjoy-digital 2020-01-26 11:44:14 +01:00 committed by GitHub
commit f9bc98ed4c
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1 changed files with 13 additions and 0 deletions
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litex/soc/software/bios/sdram.c
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@ -419,6 +419,12 @@ static void read_delay_rst(int module) {
/* unsel module */
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) {
@ -430,6 +436,12 @@ static void read_delay_inc(int module) {
/* unsel module */
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)
@ -943,6 +955,7 @@ int sdrlevel(void)
printf("\n");
}
return 1;
}
#endif