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Diffstat (limited to 'kernel/arch/powerpc/include/asm/ucc.h')
-rw-r--r-- | kernel/arch/powerpc/include/asm/ucc.h | 64 |
1 files changed, 64 insertions, 0 deletions
diff --git a/kernel/arch/powerpc/include/asm/ucc.h b/kernel/arch/powerpc/include/asm/ucc.h new file mode 100644 index 000000000..6927ac265 --- /dev/null +++ b/kernel/arch/powerpc/include/asm/ucc.h @@ -0,0 +1,64 @@ +/* + * Copyright (C) 2006 Freescale Semiconductor, Inc. All rights reserved. + * + * Authors: Shlomi Gridish <gridish@freescale.com> + * Li Yang <leoli@freescale.com> + * + * Description: + * Internal header file for UCC unit routines. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + */ +#ifndef __UCC_H__ +#define __UCC_H__ + +#include <asm/immap_qe.h> +#include <asm/qe.h> + +#define STATISTICS + +#define UCC_MAX_NUM 8 + +/* Slow or fast type for UCCs. +*/ +enum ucc_speed_type { + UCC_SPEED_TYPE_FAST = UCC_GUEMR_MODE_FAST_RX | UCC_GUEMR_MODE_FAST_TX, + UCC_SPEED_TYPE_SLOW = UCC_GUEMR_MODE_SLOW_RX | UCC_GUEMR_MODE_SLOW_TX +}; + +/* ucc_set_type + * Sets UCC to slow or fast mode. + * + * ucc_num - (In) number of UCC (0-7). + * speed - (In) slow or fast mode for UCC. + */ +int ucc_set_type(unsigned int ucc_num, enum ucc_speed_type speed); + +int ucc_set_qe_mux_mii_mng(unsigned int ucc_num); + +int ucc_set_qe_mux_rxtx(unsigned int ucc_num, enum qe_clock clock, + enum comm_dir mode); + +int ucc_mux_set_grant_tsa_bkpt(unsigned int ucc_num, int set, u32 mask); + +/* QE MUX clock routing for UCC +*/ +static inline int ucc_set_qe_mux_grant(unsigned int ucc_num, int set) +{ + return ucc_mux_set_grant_tsa_bkpt(ucc_num, set, QE_CMXUCR_GRANT); +} + +static inline int ucc_set_qe_mux_tsa(unsigned int ucc_num, int set) +{ + return ucc_mux_set_grant_tsa_bkpt(ucc_num, set, QE_CMXUCR_TSA); +} + +static inline int ucc_set_qe_mux_bkpt(unsigned int ucc_num, int set) +{ + return ucc_mux_set_grant_tsa_bkpt(ucc_num, set, QE_CMXUCR_BKPT); +} + +#endif /* __UCC_H__ */ |