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software/liblitedram: remove DDRPHY_CMD_DELAY support (no longer useful).

This commit is contained in:
Florent Kermarrec 2020-06-25 09:01:33 +02:00
parent 07f145fdaf
commit 52d7f59af5
2 changed files with 0 additions and 25 deletions
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21
litex/soc/software/liblitedram/sdram.c
View File

@ -164,24 +164,6 @@ void sdrwr(unsigned int addr)
#ifdef CSR_DDRPHY_BASE #ifdef CSR_DDRPHY_BASE
#if defined(DDRPHY_CMD_DELAY)
void ddrphy_cdly(unsigned int delay) {
printf("Setting clk/cmd delay to %d taps\n", delay);
#if CSR_DDRPHY_EN_VTC_ADDR
ddrphy_en_vtc_write(0);
#endif
ddrphy_cdly_rst_write(1);
while (delay > 0) {
ddrphy_cdly_inc_write(1);
cdelay(1000);
delay--;
}
#if CSR_DDRPHY_EN_VTC_ADDR
ddrphy_en_vtc_write(1);
#endif
}
#endif
#ifdef SDRAM_PHY_WRITE_LEVELING_CAPABLE #ifdef SDRAM_PHY_WRITE_LEVELING_CAPABLE
void sdrwlon(void) void sdrwlon(void)
{ {
@ -814,9 +796,6 @@ int sdrinit(void)
sdrsw(); sdrsw();
init_sequence(); init_sequence();
#ifdef CSR_DDRPHY_BASE #ifdef CSR_DDRPHY_BASE
#ifdef DDRPHY_CMD_DELAY
ddrphy_cdly(DDRPHY_CMD_DELAY);
#endif
#if CSR_DDRPHY_EN_VTC_ADDR #if CSR_DDRPHY_EN_VTC_ADDR
ddrphy_en_vtc_write(0); ddrphy_en_vtc_write(0);
#endif #endif

4
litex/soc/software/liblitedram/sdram.h
View File

@ -19,8 +19,4 @@ int sdrlevel(void);
int sdrinit(void); int sdrinit(void);
#if defined(DDRPHY_CMD_DELAY) || defined(USDDRPHY_DEBUG)
void ddrphy_cdly(unsigned int delay);
#endif
#endif /* __SDRAM_H */ #endif /* __SDRAM_H */