aboutsummaryrefslogtreecommitdiff
path: root/hw
diff options
context:
space:
mode:
Diffstat (limited to 'hw')
-rw-r--r--hw/npu2.c36
1 files changed, 36 insertions, 0 deletions
diff --git a/hw/npu2.c b/hw/npu2.c
index f4b54da..74e3325 100644
--- a/hw/npu2.c
+++ b/hw/npu2.c
@@ -1236,6 +1236,42 @@ static void npu2_probe_phb(struct dt_node *dn)
return;
}
+ if (!is_p9dd1()) {
+ /* TODO: Clean this up with register names, etc. when we get
+ * time. This just turns NVLink mode on in each brick and should
+ * get replaced with a patch from ajd once we've worked out how
+ * things are going to work there.
+ *
+ * Obviously if the year is now 2020 that didn't happen and you
+ * should fix this :-) */
+ xscom_write_mask(gcid, 0x5011000, PPC_BIT(58), PPC_BIT(6) | PPC_BIT(58));
+ xscom_write_mask(gcid, 0x5011030, PPC_BIT(58), PPC_BIT(6) | PPC_BIT(58));
+ xscom_write_mask(gcid, 0x5011060, PPC_BIT(58), PPC_BIT(6) | PPC_BIT(58));
+ xscom_write_mask(gcid, 0x5011090, PPC_BIT(58), PPC_BIT(6) | PPC_BIT(58));
+ xscom_write_mask(gcid, 0x5011200, PPC_BIT(58), PPC_BIT(6) | PPC_BIT(58));
+ xscom_write_mask(gcid, 0x5011230, PPC_BIT(58), PPC_BIT(6) | PPC_BIT(58));
+ xscom_write_mask(gcid, 0x5011260, PPC_BIT(58), PPC_BIT(6) | PPC_BIT(58));
+ xscom_write_mask(gcid, 0x5011290, PPC_BIT(58), PPC_BIT(6) | PPC_BIT(58));
+ xscom_write_mask(gcid, 0x5011400, PPC_BIT(58), PPC_BIT(6) | PPC_BIT(58));
+ xscom_write_mask(gcid, 0x5011430, PPC_BIT(58), PPC_BIT(6) | PPC_BIT(58));
+ xscom_write_mask(gcid, 0x5011460, PPC_BIT(58), PPC_BIT(6) | PPC_BIT(58));
+ xscom_write_mask(gcid, 0x5011490, PPC_BIT(58), PPC_BIT(6) | PPC_BIT(58));
+
+ xscom_write_mask(gcid, 0x50110c0, PPC_BIT(53), PPC_BIT(53));
+ xscom_write_mask(gcid, 0x50112c0, PPC_BIT(53), PPC_BIT(53));
+ xscom_write_mask(gcid, 0x50114c0, PPC_BIT(53), PPC_BIT(53));
+ xscom_write_mask(gcid, 0x50110f1, PPC_BIT(41), PPC_BIT(41));
+ xscom_write_mask(gcid, 0x50112f1, PPC_BIT(41), PPC_BIT(41));
+ xscom_write_mask(gcid, 0x50114f1, PPC_BIT(41), PPC_BIT(41));
+
+ xscom_write_mask(gcid, 0x5011110, PPC_BIT(0), PPC_BIT(0));
+ xscom_write_mask(gcid, 0x5011130, PPC_BIT(0), PPC_BIT(0));
+ xscom_write_mask(gcid, 0x5011310, PPC_BIT(0), PPC_BIT(0));
+ xscom_write_mask(gcid, 0x5011330, PPC_BIT(0), PPC_BIT(0));
+ xscom_write_mask(gcid, 0x5011510, PPC_BIT(0), PPC_BIT(0));
+ xscom_write_mask(gcid, 0x5011530, PPC_BIT(0), PPC_BIT(0));
+ }
+
index = dt_prop_get_u32(dn, "ibm,npu-index");
phb_index = dt_prop_get_u32(dn, "ibm,phb-index");
links = dt_prop_get_u32(dn, "ibm,npu-links");