Hardware/litex
1
0
Fork 0
mirror of https://github.com/enjoy-digital/litex.git synced 2025-01-04 09:52:26 -05:00
Code Issues Projects Releases Packages Wiki Activity

software/liblitedram: add optional SDRAM_TEST_DISABLE that can be defined to full disable SDRAM test.

Browse source 
This is useful in simulation where SDRAM contents is pre-initialized from files (ex Linux-on-LiteX-Vexriscv).
This commit is contained in:
Florent Kermarrec 2020-12-22 10:50:03 +01:00
parent 12dabde77c
commit d90d3e043b
1 changed files with 4 additions and 0 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

4
litex/soc/software/liblitedram/sdram.c
View file

@ -24,6 +24,8 @@
#include "sdram.h"
//#define SDRAM_TEST_DISABLE
#ifdef CSR_SDRAM_BASE
/*-----------------------------------------------------------------------*/
@ -1014,6 +1016,7 @@ int sdram_init(void)
sdram_leveling();
#endif
sdram_software_control_off();
#ifndef SDRAM_TEST_DISABLE
if(!memtest((unsigned int *) MAIN_RAM_BASE, MEMTEST_DATA_SIZE)) {
#ifdef CSR_DDRCTRL_BASE
ddrctrl_init_done_write(1);
@ -1022,6 +1025,7 @@ int sdram_init(void)
return 0;
}
memspeed((unsigned int *) MAIN_RAM_BASE, MEMTEST_DATA_SIZE, false);
#endif
#ifdef CSR_DDRCTRL_BASE
ddrctrl_init_done_write(1);
#endif