2 * Copyright (C) 2006 Freescale Semiconductor, Inc.
4 * Dave Liu <daveliu@freescale.com>
5 * based on source code of Shlomi Gridish
7 * This program is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU General Public License as
9 * published by the Free Software Foundation; either version 2 of
10 * the License, or (at your option) any later version.
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
17 * You should have received a copy of the GNU General Public License
18 * along with this program; if not, write to the Free Software
19 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
28 #include "asm/immap_qe.h"
30 /* Fast or Giga ethernet
32 typedef enum enet_type {
37 /* General UCC Extended Mode Register
39 #define UCC_GUEMR_MODE_MASK_RX 0x02
40 #define UCC_GUEMR_MODE_MASK_TX 0x01
41 #define UCC_GUEMR_MODE_FAST_RX 0x02
42 #define UCC_GUEMR_MODE_FAST_TX 0x01
43 #define UCC_GUEMR_MODE_SLOW_RX 0x00
44 #define UCC_GUEMR_MODE_SLOW_TX 0x00
45 #define UCC_GUEMR_SET_RESERVED3 0x10 /* Bit 3 must be set 1 */
47 /* General UCC FAST Mode Register
49 #define UCC_FAST_GUMR_TCI 0x20000000
50 #define UCC_FAST_GUMR_TRX 0x10000000
51 #define UCC_FAST_GUMR_TTX 0x08000000
52 #define UCC_FAST_GUMR_CDP 0x04000000
53 #define UCC_FAST_GUMR_CTSP 0x02000000
54 #define UCC_FAST_GUMR_CDS 0x01000000
55 #define UCC_FAST_GUMR_CTSS 0x00800000
56 #define UCC_FAST_GUMR_TXSY 0x00020000
57 #define UCC_FAST_GUMR_RSYN 0x00010000
58 #define UCC_FAST_GUMR_RTSM 0x00002000
59 #define UCC_FAST_GUMR_REVD 0x00000400
60 #define UCC_FAST_GUMR_ENR 0x00000020
61 #define UCC_FAST_GUMR_ENT 0x00000010
63 /* GUMR [MODE] bit maps
65 #define UCC_FAST_GUMR_HDLC 0x00000000
66 #define UCC_FAST_GUMR_QMC 0x00000002
67 #define UCC_FAST_GUMR_UART 0x00000004
68 #define UCC_FAST_GUMR_BISYNC 0x00000008
69 #define UCC_FAST_GUMR_ATM 0x0000000a
70 #define UCC_FAST_GUMR_ETH 0x0000000c
72 /* Transmit On Demand (UTORD)
74 #define UCC_SLOW_TOD 0x8000
75 #define UCC_FAST_TOD 0x8000
77 /* Fast Ethernet (10/100 Mbps)
79 #define UCC_GETH_URFS_INIT 512 /* Rx virtual FIFO size */
80 #define UCC_GETH_URFET_INIT 256 /* 1/2 urfs */
81 #define UCC_GETH_URFSET_INIT 384 /* 3/4 urfs */
82 #define UCC_GETH_UTFS_INIT 512 /* Tx virtual FIFO size */
83 #define UCC_GETH_UTFET_INIT 256 /* 1/2 utfs */
84 #define UCC_GETH_UTFTT_INIT 128
86 /* Gigabit Ethernet (1000 Mbps)
88 #define UCC_GETH_URFS_GIGA_INIT 4096/*2048*/ /* Rx virtual FIFO size */
89 #define UCC_GETH_URFET_GIGA_INIT 2048/*1024*/ /* 1/2 urfs */
90 #define UCC_GETH_URFSET_GIGA_INIT 3072/*1536*/ /* 3/4 urfs */
91 #define UCC_GETH_UTFS_GIGA_INIT 8192/*2048*/ /* Tx virtual FIFO size */
92 #define UCC_GETH_UTFET_GIGA_INIT 4096/*1024*/ /* 1/2 utfs */
93 #define UCC_GETH_UTFTT_GIGA_INIT 0x400/*0x40*/ /* */
97 #define UCC_FAST_RX_ALIGN 4
98 #define UCC_FAST_MRBLR_ALIGNMENT 4
99 #define UCC_FAST_VIRT_FIFO_REGS_ALIGNMENT 8
103 #define UCC_FAST_RX_VIRTUAL_FIFO_SIZE_PAD 8
105 /* UCC fast structure.
107 typedef struct ucc_fast_info {
111 enet_type_e eth_type;
114 typedef struct ucc_fast_private {
115 ucc_fast_info_t *uf_info;
116 ucc_fast_t *uf_regs; /* a pointer to memory map of UCC regs */
117 u32 *p_ucce; /* a pointer to the event register */
118 u32 *p_uccm; /* a pointer to the mask register */
119 int enabled_tx; /* whether UCC is enabled for Tx (ENT) */
120 int enabled_rx; /* whether UCC is enabled for Rx (ENR) */
121 u32 ucc_fast_tx_virtual_fifo_base_offset;
122 u32 ucc_fast_rx_virtual_fifo_base_offset;
123 } ucc_fast_private_t;
125 void ucc_fast_transmit_on_demand(ucc_fast_private_t *uccf);
126 u32 ucc_fast_get_qe_cr_subblock(int ucc_num);
127 void ucc_fast_enable(ucc_fast_private_t *uccf, comm_dir_e mode);
128 void ucc_fast_disable(ucc_fast_private_t *uccf, comm_dir_e mode);
129 int ucc_fast_init(ucc_fast_info_t *uf_info, ucc_fast_private_t **uccf_ret);
131 #endif /* __UCCF_H__ */