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From: Ian Lepore <ian@FreeBSD.org>
Date: Fri, 16 Aug 2013 19:44:50 +0000 (UTC)
To: src-committers@freebsd.org, svn-src-all@freebsd.org,
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Subject: svn commit: r254424 - head/sys/dev/sdhci
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Author: ian
Date: Fri Aug 16 19:44:49 2013
New Revision: 254424
URL: http://svnweb.freebsd.org/changeset/base/254424

Log:
  Add named constants for 8-bit bus support.  The sdhci and mmc drivers
  don't have support for this yet, but some low-level hardware is ready
  for it when the higher layers catch up.

Modified:
  head/sys/dev/sdhci/sdhci.h

Modified: head/sys/dev/sdhci/sdhci.h
==============================================================================
--- head/sys/dev/sdhci/sdhci.h	Fri Aug 16 19:40:00 2013	(r254423)
+++ head/sys/dev/sdhci/sdhci.h	Fri Aug 16 19:44:49 2013	(r254424)
@@ -120,6 +120,8 @@
 #define  SDHCI_CTRL_SDMA	0x08
 #define  SDHCI_CTRL_ADMA2	0x10
 #define  SDHCI_CTRL_ADMA264	0x18
+#define  SDHCI_CTRL_DMA_MASK	0x18
+#define  SDHCI_CTRL_8BITBUS	0x20
 #define  SDHCI_CTRL_CARD_DET	0x40
 #define  SDHCI_CTRL_FORCE_CARD	0x80
 
@@ -195,6 +197,7 @@
 #define  SDHCI_CLOCK_BASE_SHIFT	8
 #define  SDHCI_MAX_BLOCK_MASK	0x00030000
 #define  SDHCI_MAX_BLOCK_SHIFT  16
+#define  SDHCI_CAN_DO_8BITBUS	0x00040000
 #define  SDHCI_CAN_DO_ADMA2	0x00080000
 #define  SDHCI_CAN_DO_HISPD	0x00200000
 #define  SDHCI_CAN_DO_DMA	0x00400000