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authorAdrian Hunter <adrian.hunter@intel.com>2014-11-04 10:42:44 (GMT)
committerUlf Hansson <ulf.hansson@linaro.org>2014-11-10 11:40:52 (GMT)
commit739d46dcc24d9fabeed1dea6705d2c7f444b092c (patch)
treecc6efab626bc17f1735635265d65f08144a56055 /drivers/mmc/host/sdhci.h
parent4fb213f81fe51ace7dea7d2f7cc2417fa2a2dd9e (diff)
downloadlinux-739d46dcc24d9fabeed1dea6705d2c7f444b092c.tar.xz
mmc: sdhci: Define ADMA constants
Define all the ADMA constants instead of having numbers scattered throughout the code. Signed-off-by: Adrian Hunter <adrian.hunter@intel.com> Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Diffstat (limited to 'drivers/mmc/host/sdhci.h')
-rw-r--r--drivers/mmc/host/sdhci.h10
1 files changed, 10 insertions, 0 deletions
diff --git a/drivers/mmc/host/sdhci.h b/drivers/mmc/host/sdhci.h
index 6ae75cd..823cce1 100644
--- a/drivers/mmc/host/sdhci.h
+++ b/drivers/mmc/host/sdhci.h
@@ -266,6 +266,16 @@
#define SDHCI_DEFAULT_BOUNDARY_SIZE (512 * 1024)
#define SDHCI_DEFAULT_BOUNDARY_ARG (ilog2(SDHCI_DEFAULT_BOUNDARY_SIZE) - 12)
+/* ADMA2 32-bit DMA descriptor size */
+#define SDHCI_ADMA2_32_DESC_SZ 8
+
+/* ADMA2 32-bit DMA alignment */
+#define SDHCI_ADMA2_32_ALIGN 4
+
+#define ADMA2_TRAN_VALID 0x21
+#define ADMA2_NOP_END_VALID 0x3
+#define ADMA2_END 0x2
+
/*
* Maximum segments assuming a 512KiB maximum requisition size and a minimum
* 4KiB page size.