diff options
| author | Zhao Qiang <B45475@freescale.com> | 2014-10-10 02:38:48 (GMT) |
|---|---|---|
| committer | Matthew Weigel <Matthew.Weigel@freescale.com> | 2014-12-11 18:37:47 (GMT) |
| commit | 36396c5901f1067d25d9ada16acbd36edb716759 (patch) | |
| tree | 98b102daa7f09ff6aef61422780f612dec4727c6 /include/linux | |
| parent | 7ba5c48b5faf6fbd16e61263dfd4a380e3902569 (diff) | |
| download | linux-fsl-qoriq-36396c5901f1067d25d9ada16acbd36edb716759.tar.xz | |
qe-uart: modify qe-uart to adapt both powerpc and arm
qe has been supported by arm board ls1021, qe-uart need
to be supported by ls1021.
modify the code to make qe-uart can work on both powerpc
and ls1021.
Signed-off-by: Zhao Qiang <B45475@freescale.com>
---
upstream link: http://patchwork.ozlabs.org/patch/398471/
it is under discussion.
Change-Id: I07a9a091882cd572330b38e7a6e0632aea9a9042
Reviewed-on: http://git.am.freescale.net:8181/21119
Tested-by: Review Code-CDREVIEW <CDREVIEW@freescale.com>
Reviewed-by: Xiaobo Xie <X.Xie@freescale.com>
Reviewed-by: Zhengxiong Jin <Jason.Jin@freescale.com>
Diffstat (limited to 'include/linux')
| -rw-r--r-- | include/linux/fsl/qe.h | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/include/linux/fsl/qe.h b/include/linux/fsl/qe.h index 5a6a647..ef4422c 100644 --- a/include/linux/fsl/qe.h +++ b/include/linux/fsl/qe.h @@ -306,6 +306,27 @@ struct qe_bd { #define BD_STATUS_MASK 0xffff0000 #define BD_LENGTH_MASK 0x0000ffff +/* Buffer descriptor control/status used by serial + */ + +#define BD_SC_EMPTY (0x8000) /* Receive is empty */ +#define BD_SC_READY (0x8000) /* Transmit is ready */ +#define BD_SC_WRAP (0x2000) /* Last buffer descriptor */ +#define BD_SC_INTRPT (0x1000) /* Interrupt on change */ +#define BD_SC_LAST (0x0800) /* Last buffer in frame */ +#define BD_SC_TC (0x0400) /* Transmit CRC */ +#define BD_SC_CM (0x0200) /* Continuous mode */ +#define BD_SC_ID (0x0100) /* Rec'd too many idles */ +#define BD_SC_P (0x0100) /* xmt preamble */ +#define BD_SC_BR (0x0020) /* Break received */ +#define BD_SC_FR (0x0010) /* Framing error */ +#define BD_SC_PR (0x0008) /* Parity error */ +#define BD_SC_NAK (0x0004) /* NAK - did not respond */ +#define BD_SC_OV (0x0002) /* Overrun */ +#define BD_SC_UN (0x0002) /* Underrun */ +#define BD_SC_CD (0x0001) /* */ +#define BD_SC_CL (0x0001) /* Collision */ + /* Alignment */ #define QE_INTR_TABLE_ALIGN 16 /* ??? */ #define QE_ALIGNMENT_OF_BD 8 |