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authorWolfram Sang <w.sang@pengutronix.de>2008-12-21 02:54:32 -0700
committerGrant Likely <grant.likely@secretlab.ca>2008-12-21 02:54:32 -0700
commitaec739e010f8163eac225f4e331ac7fbd59ac5c8 (patch)
tree85b01751d95c1635d0825c02d43654444543fb21 /arch
parentb65149880d0467287fa4c7b4f19953392323f4ac (diff)
downloadop-kernel-dev-aec739e010f8163eac225f4e331ac7fbd59ac5c8.zip
op-kernel-dev-aec739e010f8163eac225f4e331ac7fbd59ac5c8.tar.gz
powerpc/mpc5200: add rts/cts handling in PSC UART driver
Add RTS/CTS-support for the PSC of the MPC5200B. Tested with a Phytec MPC5200B-IO. Signed-off-by: Wolfram Sang <w.sang@pengutronix.de> Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
Diffstat (limited to 'arch')
-rw-r--r--arch/powerpc/include/asm/mpc52xx_psc.h11
1 files changed, 10 insertions, 1 deletions
diff --git a/arch/powerpc/include/asm/mpc52xx_psc.h b/arch/powerpc/include/asm/mpc52xx_psc.h
index 8917ed6..a218da6 100644
--- a/arch/powerpc/include/asm/mpc52xx_psc.h
+++ b/arch/powerpc/include/asm/mpc52xx_psc.h
@@ -68,12 +68,20 @@
#define MPC52xx_PSC_IMR_ORERR 0x1000
#define MPC52xx_PSC_IMR_IPC 0x8000
-/* PSC input port change bit */
+/* PSC input port change bits */
#define MPC52xx_PSC_CTS 0x01
#define MPC52xx_PSC_DCD 0x02
#define MPC52xx_PSC_D_CTS 0x10
#define MPC52xx_PSC_D_DCD 0x20
+/* PSC acr bits */
+#define MPC52xx_PSC_IEC_CTS 0x01
+#define MPC52xx_PSC_IEC_DCD 0x02
+
+/* PSC output port bits */
+#define MPC52xx_PSC_OP_RTS 0x01
+#define MPC52xx_PSC_OP_RES 0x02
+
/* PSC mode fields */
#define MPC52xx_PSC_MODE_5_BITS 0x00
#define MPC52xx_PSC_MODE_6_BITS 0x01
@@ -91,6 +99,7 @@
#define MPC52xx_PSC_MODE_ONE_STOP_5_BITS 0x00
#define MPC52xx_PSC_MODE_ONE_STOP 0x07
#define MPC52xx_PSC_MODE_TWO_STOP 0x0f
+#define MPC52xx_PSC_MODE_TXCTS 0x10
#define MPC52xx_PSC_RFNUM_MASK 0x01ff
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