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