diff options
Diffstat (limited to 'drivers/qe/uccf.h')
| -rw-r--r-- | drivers/qe/uccf.h | 130 |
1 files changed, 130 insertions, 0 deletions
diff --git a/drivers/qe/uccf.h b/drivers/qe/uccf.h new file mode 100644 index 000000000..1ff9e1daf --- /dev/null +++ b/drivers/qe/uccf.h @@ -0,0 +1,130 @@ +/* + * Copyright (C) 2006 Freescale Semiconductor, Inc. + * + * Dave Liu <daveliu@freescale.com> + * based on source code of Shlomi Gridish + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + +#ifndef __UCCF_H__ +#define __UCCF_H__ + +#include "common.h" +#include "qe.h" + +/* Fast or Giga ethernet +*/ +typedef enum enet_type { + FAST_ETH, + GIGA_ETH, +} enet_type_e; + +/* General UCC Extended Mode Register +*/ +#define UCC_GUEMR_MODE_MASK_RX 0x02 +#define UCC_GUEMR_MODE_MASK_TX 0x01 +#define UCC_GUEMR_MODE_FAST_RX 0x02 +#define UCC_GUEMR_MODE_FAST_TX 0x01 +#define UCC_GUEMR_MODE_SLOW_RX 0x00 +#define UCC_GUEMR_MODE_SLOW_TX 0x00 +#define UCC_GUEMR_SET_RESERVED3 0x10 /* Bit 3 must be set 1 */ + +/* General UCC FAST Mode Register +*/ +#define UCC_FAST_GUMR_TCI 0x20000000 +#define UCC_FAST_GUMR_TRX 0x10000000 +#define UCC_FAST_GUMR_TTX 0x08000000 +#define UCC_FAST_GUMR_CDP 0x04000000 +#define UCC_FAST_GUMR_CTSP 0x02000000 +#define UCC_FAST_GUMR_CDS 0x01000000 +#define UCC_FAST_GUMR_CTSS 0x00800000 +#define UCC_FAST_GUMR_TXSY 0x00020000 +#define UCC_FAST_GUMR_RSYN 0x00010000 +#define UCC_FAST_GUMR_RTSM 0x00002000 +#define UCC_FAST_GUMR_REVD 0x00000400 +#define UCC_FAST_GUMR_ENR 0x00000020 +#define UCC_FAST_GUMR_ENT 0x00000010 + +/* GUMR [MODE] bit maps +*/ +#define UCC_FAST_GUMR_HDLC 0x00000000 +#define UCC_FAST_GUMR_QMC 0x00000002 +#define UCC_FAST_GUMR_UART 0x00000004 +#define UCC_FAST_GUMR_BISYNC 0x00000008 +#define UCC_FAST_GUMR_ATM 0x0000000a +#define UCC_FAST_GUMR_ETH 0x0000000c + +/* Transmit On Demand (UTORD) +*/ +#define UCC_SLOW_TOD 0x8000 +#define UCC_FAST_TOD 0x8000 + +/* Fast Ethernet (10/100 Mbps) +*/ +#define UCC_GETH_URFS_INIT 512 /* Rx virtual FIFO size */ +#define UCC_GETH_URFET_INIT 256 /* 1/2 urfs */ +#define UCC_GETH_URFSET_INIT 384 /* 3/4 urfs */ +#define UCC_GETH_UTFS_INIT 512 /* Tx virtual FIFO size */ +#define UCC_GETH_UTFET_INIT 256 /* 1/2 utfs */ +#define UCC_GETH_UTFTT_INIT 128 + +/* Gigabit Ethernet (1000 Mbps) +*/ +#define UCC_GETH_URFS_GIGA_INIT 4096/*2048*/ /* Rx virtual FIFO size */ +#define UCC_GETH_URFET_GIGA_INIT 2048/*1024*/ /* 1/2 urfs */ +#define UCC_GETH_URFSET_GIGA_INIT 3072/*1536*/ /* 3/4 urfs */ +#define UCC_GETH_UTFS_GIGA_INIT 8192/*2048*/ /* Tx virtual FIFO size */ +#define UCC_GETH_UTFET_GIGA_INIT 4096/*1024*/ /* 1/2 utfs */ +#define UCC_GETH_UTFTT_GIGA_INIT 0x400/*0x40*/ /* */ + +/* UCC fast alignment +*/ +#define UCC_FAST_RX_ALIGN 4 +#define UCC_FAST_MRBLR_ALIGNMENT 4 +#define UCC_FAST_VIRT_FIFO_REGS_ALIGNMENT 8 + +/* Sizes +*/ +#define UCC_FAST_RX_VIRTUAL_FIFO_SIZE_PAD 8 + +/* UCC fast structure. +*/ +typedef struct ucc_fast_info { + int ucc_num; + qe_clock_e rx_clock; + qe_clock_e tx_clock; + enet_type_e eth_type; +} ucc_fast_info_t; + +typedef struct ucc_fast_private { + ucc_fast_info_t *uf_info; + ucc_fast_t *uf_regs; /* a pointer to memory map of UCC regs */ + u32 *p_ucce; /* a pointer to the event register */ + u32 *p_uccm; /* a pointer to the mask register */ + int enabled_tx; /* whether UCC is enabled for Tx (ENT) */ + int enabled_rx; /* whether UCC is enabled for Rx (ENR) */ + u32 ucc_fast_tx_virtual_fifo_base_offset; + u32 ucc_fast_rx_virtual_fifo_base_offset; +} ucc_fast_private_t; + +void ucc_fast_transmit_on_demand(ucc_fast_private_t *uccf); +u32 ucc_fast_get_qe_cr_subblock(int ucc_num); +void ucc_fast_enable(ucc_fast_private_t *uccf, comm_dir_e mode); +void ucc_fast_disable(ucc_fast_private_t *uccf, comm_dir_e mode); +int ucc_fast_init(ucc_fast_info_t *uf_info, ucc_fast_private_t **uccf_ret); + +#endif /* __UCCF_H__ */ |