armv8: ls1046ardb: Add RDIMM support
This adds 2Rx8 RDIMM on LS1046ARDB board. Tested with RDIMM
MTA18ASF2G72PDZ and MTA9ASF1G72PZ.
Signed-off-by: York Sun <york.sun@nxp.com>
diff --git a/board/freescale/ls1046ardb/ddr.c b/board/freescale/ls1046ardb/ddr.c
index fb4f6ab..46ed7bd 100644
--- a/board/freescale/ls1046ardb/ddr.c
+++ b/board/freescale/ls1046ardb/ddr.c
@@ -29,7 +29,10 @@
if (!pdimm->n_ranks)
return;
- pbsp = udimms[0];
+ if (popts->registered_dimm_en)
+ pbsp = rdimms[0];
+ else
+ pbsp = udimms[0];
/* Get clk_adjust, wrlvl_start, wrlvl_ctl, according to the board ddr
* freqency and n_banks specified in board_specific_parameters table.
@@ -66,8 +69,6 @@
pbsp->n_ranks, pbsp->datarate_mhz_high, pbsp->rank_gb);
popts->data_bus_width = 0; /* 64-bit data bus */
- popts->otf_burst_chop_en = 0;
- popts->burst_length = DDR_BL8;
popts->bstopre = 0; /* enable auto precharge */
/*
@@ -94,7 +95,7 @@
DDR_CDR2_VREF_TRAIN_EN | DDR_CDR2_VREF_RANGE_2;
/* optimize cpo for erratum A-009942 */
- popts->cpo_sample = 0x70;
+ popts->cpo_sample = 0x61;
}
int fsl_initdram(void)
diff --git a/board/freescale/ls1046ardb/ddr.h b/board/freescale/ls1046ardb/ddr.h
index 9e440f6..04328f2 100644
--- a/board/freescale/ls1046ardb/ddr.h
+++ b/board/freescale/ls1046ardb/ddr.h
@@ -41,4 +41,23 @@
udimm0,
};
+static const struct board_specific_parameters rdimm0[] = {
+ /*
+ * memory controller 0
+ * num| hi| rank| clk| wrlvl | wrlvl | wrlvl
+ * ranks| mhz| GB |adjst| start | ctl2 | ctl3
+ */
+ {2, 1666, 0, 0x8, 0x0D, 0x0C0B0A08, 0x0A0B0C08,},
+ {2, 1900, 0, 0x8, 0x0E, 0x0D0C0B09, 0x0B0C0D09,},
+ {2, 2300, 0, 0xa, 0x12, 0x100F0D0C, 0x0E0F100C,},
+ {1, 1666, 0, 0x8, 0x0D, 0x0C0B0A08, 0x0A0B0C08,},
+ {1, 1900, 0, 0x8, 0x0E, 0x0D0C0B09, 0x0B0C0D09,},
+ {1, 2300, 0, 0xa, 0x12, 0x100F0D0C, 0x0E0F100C,},
+ {}
+};
+
+static const struct board_specific_parameters *rdimms[] = {
+ rdimm0,
+};
+
#endif