Add references to errata.

2 files changed, 13 insertions, 11 deletions

diff --git a/sys/arch/octeon/dev/if_cnmac.c b/sys/arch/octeon/dev/if_cnmac.c
index 80adf0dfafb..a7f358b95fd 100644
--- a/sys/arch/octeon/dev/if_cnmac.c
+++ b/sys/arch/octeon/dev/if_cnmac.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: if_cnmac.c,v 1.73 2017/11/26 15:44:20 visa Exp $	*/
+/*	$OpenBSD: if_cnmac.c,v 1.74 2018/01/07 05:19:41 visa Exp $	*/
 
 /*
  * Copyright (c) 2007 Internet Initiative Japan, Inc.
@@ -1162,10 +1162,11 @@ cnmac_recv_mbuf(struct cnmac_softc *sc, uint64_t *work,
 
 		/*
 		 * Because of a hardware bug in some Octeon models the size
-		 * field of word3 can be wrong. However, the hardware uses
-		 * all space in a buffer before moving to the next one so
-		 * it is possible to derive the size of this data segment
-		 * from the size of packet data buffers.
+		 * field of word3 can be wrong (erratum PKI-100).
+		 * However, the hardware uses all space in a buffer before
+		 * moving to the next one so it is possible to derive
+		 * the size of this data segment from the size
+		 * of packet data buffers.
 		 */
 		size = OCTEON_POOL_SIZE_PKT - (addr - pktbuf);
 		if (size > left)
diff --git a/sys/arch/octeon/dev/octmmc.c b/sys/arch/octeon/dev/octmmc.c
index 12d0972b7e2..a0a57d42823 100644
--- a/sys/arch/octeon/dev/octmmc.c
+++ b/sys/arch/octeon/dev/octmmc.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: octmmc.c,v 1.10 2017/11/09 02:35:34 visa Exp $	*/
+/*	$OpenBSD: octmmc.c,v 1.11 2018/01/07 05:19:41 visa Exp $	*/
 
 /*
  * Copyright (c) 2016, 2017 Visa Hankala
@@ -821,11 +821,12 @@ octmmc_dma_load_6130(struct octmmc_softc *sc, struct sdmmc_command *cmd)
 	paddr_t locked_block = 0;
 
 	/*
-	 * According to Linux, the DMA hardware has a silicon bug that can
-	 * corrupt data. As a workaround, Linux locks the second last block
-	 * of a transfer into the L2 cache if the opcode is multi-block write
-	 * and there are more than two data blocks to write. In Linux, it is
-	 * not described under what circumstances the corruption can happen.
+	 * The DMA hardware has a silicon bug that can corrupt data
+	 * (erratum EMMC-17978). As a workaround, Linux locks the second last
+	 * block of a transfer into the L2 cache if the opcode is multi-block
+	 * write and there are more than two data blocks to write.
+	 * In Linux, it is not described under what circumstances
+	 * the corruption can happen.
 	 * Lacking better information, use the same workaround here.
 	 */
 	if (cmd->c_opcode == MMC_WRITE_BLOCK_MULTIPLE &&