1 /*
2  * Copyright (C) 2006 Freescale Semicondutor, Inc. All rights reserved.
3  *
4  * Authors: 	Shlomi Gridish <gridish@freescale.com>
5  * 		Li Yang <leoli@freescale.com>
6  *
7  * Description:
8  * Internal header file for UCC unit routines.
9  *
10  * This program is free software; you can redistribute  it and/or modify it
11  * under  the terms of  the GNU General  Public License as published by the
12  * Free Software Foundation;  either version 2 of the  License, or (at your
13  * option) any later version.
14  */
15 #ifndef __UCC_H__
16 #define __UCC_H__
17 
18 #include <asm/immap_qe.h>
19 #include <asm/qe.h>
20 
21 #define STATISTICS
22 
23 #define UCC_MAX_NUM	8
24 
25 /* Slow or fast type for UCCs.
26 */
27 enum ucc_speed_type {
28 	UCC_SPEED_TYPE_FAST = UCC_GUEMR_MODE_FAST_RX | UCC_GUEMR_MODE_FAST_TX,
29 	UCC_SPEED_TYPE_SLOW = UCC_GUEMR_MODE_SLOW_RX | UCC_GUEMR_MODE_SLOW_TX
30 };
31 
32 /* ucc_set_type
33  * Sets UCC to slow or fast mode.
34  *
35  * ucc_num - (In) number of UCC (0-7).
36  * speed   - (In) slow or fast mode for UCC.
37  */
38 int ucc_set_type(unsigned int ucc_num, enum ucc_speed_type speed);
39 
40 int ucc_set_qe_mux_mii_mng(unsigned int ucc_num);
41 
42 int ucc_set_qe_mux_rxtx(unsigned int ucc_num, enum qe_clock clock,
43 	enum comm_dir mode);
44 
45 int ucc_mux_set_grant_tsa_bkpt(unsigned int ucc_num, int set, u32 mask);
46 
47 /* QE MUX clock routing for UCC
48 */
ucc_set_qe_mux_grant(unsigned int ucc_num,int set)49 static inline int ucc_set_qe_mux_grant(unsigned int ucc_num, int set)
50 {
51 	return ucc_mux_set_grant_tsa_bkpt(ucc_num, set, QE_CMXUCR_GRANT);
52 }
53 
ucc_set_qe_mux_tsa(unsigned int ucc_num,int set)54 static inline int ucc_set_qe_mux_tsa(unsigned int ucc_num, int set)
55 {
56 	return ucc_mux_set_grant_tsa_bkpt(ucc_num, set, QE_CMXUCR_TSA);
57 }
58 
ucc_set_qe_mux_bkpt(unsigned int ucc_num,int set)59 static inline int ucc_set_qe_mux_bkpt(unsigned int ucc_num, int set)
60 {
61 	return ucc_mux_set_grant_tsa_bkpt(ucc_num, set, QE_CMXUCR_BKPT);
62 }
63 
64 #endif				/* __UCC_H__ */
65