diff options
| -rw-r--r-- | board/gateworks/venice/spl.c | 60 |
1 files changed, 59 insertions, 1 deletions
diff --git a/board/gateworks/venice/spl.c b/board/gateworks/venice/spl.c index d9bc593fa0d..2c303211d32 100644 --- a/board/gateworks/venice/spl.c +++ b/board/gateworks/venice/spl.c @@ -271,7 +271,65 @@ void board_init_f(ulong dummy) dram_timing->fsp_msg[0].drate, dram_timing->fsp_msg[0].drate / 2, dram_desc[0] ? dram_desc : ""); - puts("\n"); + +#ifdef DEBUG + u8 mr[9] = { 0 }; + /* Read MR5-MR8 to obtain details about DRAM part (and verify DRAM working) */ + for (i = 5; i < 9; i++) + mr[i] = lpddr4_mr_read(0xf, i) & 0xff; + + printf(" (0x%02x%02x%02x%02x", mr[5], mr[6], mr[7], mr[8]); + /* MR5 MFG_ID */ + switch (mr[5]) { + case 0xff: + printf(" Micron"); + break; + default: + break; + } + /* MR8 OP[7:6] Width */ + i = 0; + switch ((mr[8] >> 6) & 0x3) { + case 0: + i = 16; + break; + case 1: + i = 8; + break; + } + if (i) + printf(" x%d", i); + /* MR8 OP[5:2] Density */ + i = 0; + switch ((mr[8] >> 2) & 0xf) { + case 0: + i = 4; + break; + case 1: + i = 6; + break; + case 2: + i = 8; + break; + case 3: + i = 12; + break; + case 4: + i = 16; + break; + case 5: + i = 24; + break; + case 6: + i = 32; + break; + default: + break; + } + if (i) + printf(" %dGb per die", i); +#endif + puts(")\n"); } else { hang(); } |