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software/bios: fixup for Ultrascale SDRAM debug 

Keep CSR accesses independent of csr_data_width and csr_alignment.

Signed-off-by: Gabriel Somlo <gsomlo@gmail.com>
This commit is contained in:
Gabriel Somlo 2020-03-09 10:24:30 -04:00
parent ba2f31d43d
commit 4d15e1f7f8
1 changed files with 5 additions and 2 deletions
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7
litex/soc/software/bios/sdram.c
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@ -1063,6 +1063,7 @@ static void sdrmproff(void)
void sdrmpr(void) void sdrmpr(void)
{ {
int module, phase; int module, phase;
unsigned char buf[DFII_PIX_DATA_BYTES];
printf("Read SDRAM MPR...\n"); printf("Read SDRAM MPR...\n");
/* rst phy */ /* rst phy */
@ -1084,8 +1085,10 @@ void sdrmpr(void)
for (module=0; module < NBMODULES; module++) { for (module=0; module < NBMODULES; module++) {
printf("m%d: ", module); printf("m%d: ", module);
for(phase=0; phase<DFII_NPHASES; phase++) { for(phase=0; phase<DFII_NPHASES; phase++) {
printf("%d", MMPTR(sdram_dfii_pix_rddata_addr[phase]+4*(NBMODULES-module-1)) & 0x1); csr_rd_buf_uint8(sdram_dfii_pix_rddata_addr[phase],
printf("%d", MMPTR(sdram_dfii_pix_rddata_addr[phase]+4*(2*NBMODULES-module-1)) & 0x1); buf, DFII_PIX_DATA_BYTES);
printf("%d", buf[ NBMODULES-module-1] & 0x1);
printf("%d", buf[2*NBMODULES-module-1] & 0x1);
} }
printf("\n"); printf("\n");
} }