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mmc: sdhci: Define ADMA constants

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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>
This commit is contained in:
Adrian Hunter
2014-11-04 12:42:44 +02:00
committed by Ulf Hansson
parent 4fb213f81f
commit 739d46dcc2
2 changed files with 23 additions and 10 deletions
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10
drivers/mmc/host/sdhci.h
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@@ -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.