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powerpc/mpc5200: add rts/cts handling in PSC UART driver

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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>
This commit is contained in:
Wolfram Sang
2008-12-21 02:54:32 -07:00
committed by Grant Likely
parent b65149880d
commit aec739e010
2 changed files with 47 additions and 5 deletions
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11
arch/powerpc/include/asm/mpc52xx_psc.h
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@@ -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