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authorAndrew Victor <andrew@sanpeople.com>2006-12-04 12:53:11 +0100
committerRussell King <rmk+kernel@arm.linux.org.uk>2006-12-04 14:37:39 +0000
commitd707572695e47aae3ac5eb92abb9d2a8c40f7a4e (patch)
treec3af246d197c97a8f42f8333c6f1f7ce6b9843ed /drivers/serial
parent5407864e3cb71f6ac351b1ab2266bfb0d9f27684 (diff)
downloadop-kernel-dev-d707572695e47aae3ac5eb92abb9d2a8c40f7a4e.zip
op-kernel-dev-d707572695e47aae3ac5eb92abb9d2a8c40f7a4e.tar.gz
[ARM] 3975/1: AT91: Comments in atmel_serial.h
Updated some of the comments in the atmel_serial.h header detailing which bits are only available on the AT91RM9200 or the AT91SAM9xx processors. Signed-off-by: Andrew Victor <andrew@sanpeople.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Diffstat (limited to 'drivers/serial')
-rw-r--r--drivers/serial/atmel_serial.h11
1 files changed, 6 insertions, 5 deletions
diff --git a/drivers/serial/atmel_serial.h b/drivers/serial/atmel_serial.h
index eced2ad..fe1763b 100644
--- a/drivers/serial/atmel_serial.h
+++ b/drivers/serial/atmel_serial.h
@@ -31,8 +31,8 @@
#define ATMEL_US_RSTIT (1 << 13) /* Reset Iterations */
#define ATMEL_US_RSTNACK (1 << 14) /* Reset Non Acknowledge */
#define ATMEL_US_RETTO (1 << 15) /* Rearm Time-out */
-#define ATMEL_US_DTREN (1 << 16) /* Data Terminal Ready Enable */
-#define ATMEL_US_DTRDIS (1 << 17) /* Data Terminal Ready Disable */
+#define ATMEL_US_DTREN (1 << 16) /* Data Terminal Ready Enable [AT91RM9200 only] */
+#define ATMEL_US_DTRDIS (1 << 17) /* Data Terminal Ready Disable [AT91RM9200 only] */
#define ATMEL_US_RTSEN (1 << 18) /* Request To Send Enable */
#define ATMEL_US_RTSDIS (1 << 19) /* Request To Send Disable */
@@ -92,9 +92,9 @@
#define ATMEL_US_TXBUFE (1 << 11) /* Transmission Buffer Empty */
#define ATMEL_US_RXBUFF (1 << 12) /* Reception Buffer Full */
#define ATMEL_US_NACK (1 << 13) /* Non Acknowledge */
-#define ATMEL_US_RIIC (1 << 16) /* Ring Indicator Input Change */
-#define ATMEL_US_DSRIC (1 << 17) /* Data Set Ready Input Change */
-#define ATMEL_US_DCDIC (1 << 18) /* Data Carrier Detect Input Change */
+#define ATMEL_US_RIIC (1 << 16) /* Ring Indicator Input Change [AT91RM9200 only] */
+#define ATMEL_US_DSRIC (1 << 17) /* Data Set Ready Input Change [AT91RM9200 only] */
+#define ATMEL_US_DCDIC (1 << 18) /* Data Carrier Detect Input Change [AT91RM9200 only] */
#define ATMEL_US_CTSIC (1 << 19) /* Clear to Send Input Change */
#define ATMEL_US_RI (1 << 20) /* RI */
#define ATMEL_US_DSR (1 << 21) /* DSR */
@@ -106,6 +106,7 @@
#define ATMEL_US_CSR 0x14 /* Channel Status Register */
#define ATMEL_US_RHR 0x18 /* Receiver Holding Register */
#define ATMEL_US_THR 0x1c /* Transmitter Holding Register */
+#define ATMEL_US_SYNH (1 << 15) /* Transmit/Receive Sync [SAM9 only] */
#define ATMEL_US_BRGR 0x20 /* Baud Rate Generator Register */
#define ATMEL_US_CD (0xffff << 0) /* Clock Divider */
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