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ahci: add defines for PORT_SCR_STAT register bits

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Replace hard-coded register values with proper defines for PORT_SCR_STAT
register.

Signed-off-by: Rob Herring <rob.herring@calxeda.com>
This commit is contained in:
Rob Herring
2013-08-24 10:10:50 -05:00
committed by Tom Rini
parent 796c2ebd6f
commit 2bdb10dbf5
2 changed files with 8 additions and 2 deletions
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5
include/ahci.h
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@@ -87,6 +87,11 @@
| PORT_IRQ_DMAS_FIS | PORT_IRQ_PIOS_FIS \
| PORT_IRQ_D2H_REG_FIS
/* PORT_SCR_STAT bits */
#define PORT_SCR_STAT_DET_MASK 0x3
#define PORT_SCR_STAT_DET_COMINIT 0x1
#define PORT_SCR_STAT_DET_PHYRDY 0x3
/* PORT_CMD bits */
#define PORT_CMD_ATAPI (1 << 24) /* Device is ATAPI */
#define PORT_CMD_LIST_ON (1 << 15) /* cmd list DMA engine running */