1 /* SPDX-License-Identifier: GPL-2.0+ */
3 * Copyright (C) 2006 Freescale Semiconductor, Inc.
5 * Dave Liu <daveliu@freescale.com>
6 * based on source code of Shlomi Gridish
13 #include "linux/immap_qe.h"
16 /* Fast or Giga ethernet
18 typedef enum enet_type {
23 /* General UCC Extended Mode Register
25 #define UCC_GUEMR_MODE_MASK_RX 0x02
26 #define UCC_GUEMR_MODE_MASK_TX 0x01
27 #define UCC_GUEMR_MODE_FAST_RX 0x02
28 #define UCC_GUEMR_MODE_FAST_TX 0x01
29 #define UCC_GUEMR_MODE_SLOW_RX 0x00
30 #define UCC_GUEMR_MODE_SLOW_TX 0x00
31 #define UCC_GUEMR_SET_RESERVED3 0x10 /* Bit 3 must be set 1 */
33 /* General UCC FAST Mode Register
35 #define UCC_FAST_GUMR_TCI 0x20000000
36 #define UCC_FAST_GUMR_TRX 0x10000000
37 #define UCC_FAST_GUMR_TTX 0x08000000
38 #define UCC_FAST_GUMR_CDP 0x04000000
39 #define UCC_FAST_GUMR_CTSP 0x02000000
40 #define UCC_FAST_GUMR_CDS 0x01000000
41 #define UCC_FAST_GUMR_CTSS 0x00800000
42 #define UCC_FAST_GUMR_TXSY 0x00020000
43 #define UCC_FAST_GUMR_RSYN 0x00010000
44 #define UCC_FAST_GUMR_RTSM 0x00002000
45 #define UCC_FAST_GUMR_REVD 0x00000400
46 #define UCC_FAST_GUMR_ENR 0x00000020
47 #define UCC_FAST_GUMR_ENT 0x00000010
49 /* GUMR [MODE] bit maps
51 #define UCC_FAST_GUMR_HDLC 0x00000000
52 #define UCC_FAST_GUMR_QMC 0x00000002
53 #define UCC_FAST_GUMR_UART 0x00000004
54 #define UCC_FAST_GUMR_BISYNC 0x00000008
55 #define UCC_FAST_GUMR_ATM 0x0000000a
56 #define UCC_FAST_GUMR_ETH 0x0000000c
58 /* Transmit On Demand (UTORD)
60 #define UCC_SLOW_TOD 0x8000
61 #define UCC_FAST_TOD 0x8000
63 /* Fast Ethernet (10/100 Mbps)
65 #define UCC_GETH_URFS_INIT 512 /* Rx virtual FIFO size */
66 #define UCC_GETH_URFET_INIT 256 /* 1/2 urfs */
67 #define UCC_GETH_URFSET_INIT 384 /* 3/4 urfs */
68 #define UCC_GETH_UTFS_INIT 512 /* Tx virtual FIFO size */
69 #define UCC_GETH_UTFET_INIT 256 /* 1/2 utfs */
70 #define UCC_GETH_UTFTT_INIT 128
72 /* Gigabit Ethernet (1000 Mbps)
74 #define UCC_GETH_URFS_GIGA_INIT 4096/*2048*/ /* Rx virtual FIFO size */
75 #define UCC_GETH_URFET_GIGA_INIT 2048/*1024*/ /* 1/2 urfs */
76 #define UCC_GETH_URFSET_GIGA_INIT 3072/*1536*/ /* 3/4 urfs */
77 #define UCC_GETH_UTFS_GIGA_INIT 8192/*2048*/ /* Tx virtual FIFO size */
78 #define UCC_GETH_UTFET_GIGA_INIT 4096/*1024*/ /* 1/2 utfs */
79 #define UCC_GETH_UTFTT_GIGA_INIT 0x400/*0x40*/ /* */
83 #define UCC_FAST_RX_ALIGN 4
84 #define UCC_FAST_MRBLR_ALIGNMENT 4
85 #define UCC_FAST_VIRT_FIFO_REGS_ALIGNMENT 8
89 #define UCC_FAST_RX_VIRTUAL_FIFO_SIZE_PAD 8
91 /* UCC fast structure.
93 typedef struct ucc_fast_info {
100 typedef struct ucc_fast_private {
101 ucc_fast_info_t *uf_info;
102 ucc_fast_t *uf_regs; /* a pointer to memory map of UCC regs */
103 u32 *p_ucce; /* a pointer to the event register */
104 u32 *p_uccm; /* a pointer to the mask register */
105 int enabled_tx; /* whether UCC is enabled for Tx (ENT) */
106 int enabled_rx; /* whether UCC is enabled for Rx (ENR) */
107 u32 ucc_fast_tx_virtual_fifo_base_offset;
108 u32 ucc_fast_rx_virtual_fifo_base_offset;
109 } ucc_fast_private_t;
111 void ucc_fast_transmit_on_demand(ucc_fast_private_t *uccf);
112 u32 ucc_fast_get_qe_cr_subblock(int ucc_num);
113 void ucc_fast_enable(ucc_fast_private_t *uccf, comm_dir_e mode);
114 void ucc_fast_disable(ucc_fast_private_t *uccf, comm_dir_e mode);
115 int ucc_fast_init(ucc_fast_info_t *uf_info, ucc_fast_private_t **uccf_ret);
117 #endif /* __UCCF_H__ */