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ahci: cosmetics and cleanup

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- print the correct speed
- print all the AHCI capability flags
(information taken from Linux kernel driver)
- clean up some comments

For example, this might show the following string:
AHCI 0001.0300 32 slots 6 ports 6 Gbps 0x3 impl SATA mode

Signed-off-by: Stefan Reinauer <reinauer@chromium.org>

Commit-Ready: Stefan Reinauer <reinauer@chromium.org>
Signed-off-by: Simon Glass <sjg@chromium.org>
Tested-by: Stefan Reinauer <reinauer@chromium.org>
This commit is contained in:
Stefan Reinauer
2012-10-29 05:23:51 +00:00
committed by Tom Rini
parent 7ba7917c91
commit 4e422bce8a
2 changed files with 19 additions and 7 deletions
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include/ahci.h
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@@ -51,6 +51,7 @@
#define HOST_IRQ_STAT 0x08 /* interrupt status */
#define HOST_PORTS_IMPL 0x0c /* bitmap of implemented ports */
#define HOST_VERSION 0x10 /* AHCI spec. version compliancy */
#define HOST_CAP2 0x24 /* host capabilities, extended */
/* HOST_CTL bits */
#define HOST_RESET (1 << 0) /* reset controller; self-clear */