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*/
27enum ucc_speed_type {
28	UCC_SPEED_TYPE_FAST, UCC_SPEED_TYPE_SLOW
29};
30
31/* Initial UCCs Parameter RAM address relative to: MEM_MAP_BASE (IMMR).
32*/
33enum ucc_pram_initial_offset {
34	UCC_PRAM_OFFSET_UCC1 = 0x8400,
35	UCC_PRAM_OFFSET_UCC2 = 0x8500,
36	UCC_PRAM_OFFSET_UCC3 = 0x8600,
37	UCC_PRAM_OFFSET_UCC4 = 0x9000,
38	UCC_PRAM_OFFSET_UCC5 = 0x8000,
39	UCC_PRAM_OFFSET_UCC6 = 0x8100,
40	UCC_PRAM_OFFSET_UCC7 = 0x8200,
41	UCC_PRAM_OFFSET_UCC8 = 0x8300
42};
43
44/* ucc_set_type
45 * Sets UCC to slow or fast mode.
46 *
47 * ucc_num - (In) number of UCC (0-7).
48 * regs    - (In) pointer to registers base for the UCC.
49 * speed   - (In) slow or fast mode for UCC.
50 */
51int ucc_set_type(int ucc_num, struct ucc_common *regs,
52		 enum ucc_speed_type speed);
53
54/* ucc_init_guemr
55 * Init the Guemr register.
56 *
57 * regs - (In) pointer to registers base for the UCC.
58 */
59int ucc_init_guemr(struct ucc_common *regs);
60
61int ucc_set_qe_mux_mii_mng(int ucc_num);
62
63int ucc_set_qe_mux_rxtx(int ucc_num, enum qe_clock clock, enum comm_dir mode);
64
65int ucc_mux_set_grant_tsa_bkpt(int ucc_num, int set, u32 mask);
66
67/* QE MUX clock routing for UCC
68*/
69static inline int ucc_set_qe_mux_grant(int ucc_num, int set)
70{
71	return ucc_mux_set_grant_tsa_bkpt(ucc_num, set, QE_CMXUCR_GRANT);
72}
73
74static inline int ucc_set_qe_mux_tsa(int ucc_num, int set)
75{
76	return ucc_mux_set_grant_tsa_bkpt(ucc_num, set, QE_CMXUCR_TSA);
77}
78
79static inline int ucc_set_qe_mux_bkpt(int ucc_num, int set)
80{
81	return ucc_mux_set_grant_tsa_bkpt(ucc_num, set, QE_CMXUCR_BKPT);
82}
83
84#endif				/* __UCC_H__ */
85