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

software/liblitedram: move calibration to sdrcal function.

This commit is contained in:
Florent Kermarrec 2020-09-03 14:55:37 +02:00
parent 31afe55821
commit 3e083958b0
2 changed files with 18 additions and 12 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

29
litex/soc/software/liblitedram/sdram.c
View File

@ -794,6 +794,22 @@ int sdrlevel(void)
}
#endif
void sdrcal(void)
{
#ifdef CSR_DDRPHY_BASE
#if CSR_DDRPHY_EN_VTC_ADDR
ddrphy_en_vtc_write(0);
#endif
#if defined(SDRAM_PHY_WRITE_LEVELING_CAPABLE) || defined(SDRAM_PHY_READ_LEVELING_CAPABLE)
sdrlevel();
#endif
#if CSR_DDRPHY_EN_VTC_ADDR
ddrphy_en_vtc_write(1);
#endif
#endif
sdrhw();
}
int sdrinit(void)
{
printf("Initializing DRAM @0x%08x...\n", MAIN_RAM_BASE);
@ -810,18 +826,7 @@ int sdrinit(void)
#endif
sdrsw();
init_sequence();
#ifdef CSR_DDRPHY_BASE
#if CSR_DDRPHY_EN_VTC_ADDR
ddrphy_en_vtc_write(0);
#endif
#if defined(SDRAM_PHY_WRITE_LEVELING_CAPABLE) || defined(SDRAM_PHY_READ_LEVELING_CAPABLE)
sdrlevel();
#endif
#if CSR_DDRPHY_EN_VTC_ADDR
ddrphy_en_vtc_write(1);
#endif
#endif
sdrhw();
sdrcal();
if(!memtest((unsigned int *) MAIN_RAM_BASE, MAIN_RAM_SIZE)) {
#ifdef CSR_DDRCTRL_BASE
ddrctrl_init_done_write(1);

1
litex/soc/software/liblitedram/sdram.h
View File

@ -20,6 +20,7 @@ int write_level(void);
int sdrlevel(void);
void sdrcal(void);
int sdrinit(void);
#endif /* __SDRAM_H */