diff options
Diffstat (limited to 'drivers/net/qe/uccf.h')
| -rw-r--r-- | drivers/net/qe/uccf.h | 119 |
1 files changed, 119 insertions, 0 deletions
diff --git a/drivers/net/qe/uccf.h b/drivers/net/qe/uccf.h new file mode 100644 index 0000000000..99f8458edf --- /dev/null +++ b/drivers/net/qe/uccf.h @@ -0,0 +1,119 @@ +/* SPDX-License-Identifier: GPL-2.0+ */ +/* + * Copyright (C) 2006 Freescale Semiconductor, Inc. + * + * Dave Liu <daveliu@freescale.com> + * based on source code of Shlomi Gridish + */ + +#ifndef __UCCF_H__ +#define __UCCF_H__ + +#include "common.h" +#include "linux/immap_qe.h" +#include <fsl_qe.h> + +/* Fast or Giga ethernet */ +enum enet_type { + FAST_ETH, + GIGA_ETH, +}; + +/* 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 +/* Bit 3 must be set 1 */ +#define UCC_GUEMR_SET_RESERVED3 0x10 + +/* 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) */ +/* Rx virtual FIFO size */ +#define UCC_GETH_URFS_INIT 512 +/* 1/2 urfs */ +#define UCC_GETH_URFET_INIT 256 +/* 3/4 urfs */ +#define UCC_GETH_URFSET_INIT 384 +/* Tx virtual FIFO size */ +#define UCC_GETH_UTFS_INIT 512 +/* 1/2 utfs */ +#define UCC_GETH_UTFET_INIT 256 +#define UCC_GETH_UTFTT_INIT 128 + +/* Gigabit Ethernet (1000 Mbps) */ +/* Rx virtual FIFO size */ +#define UCC_GETH_URFS_GIGA_INIT 4096/*2048*/ +/* 1/2 urfs */ +#define UCC_GETH_URFET_GIGA_INIT 2048/*1024*/ +/* 3/4 urfs */ +#define UCC_GETH_URFSET_GIGA_INIT 3072/*1536*/ +/* Tx virtual FIFO size */ +#define UCC_GETH_UTFS_GIGA_INIT 8192/*2048*/ +/* 1/2 utfs */ +#define UCC_GETH_UTFET_GIGA_INIT 4096/*1024*/ +#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. */ +struct ucc_fast_inf { + int ucc_num; + qe_clock_e rx_clock; + qe_clock_e tx_clock; + enum enet_type eth_type; +}; + +struct ucc_fast_priv { + struct ucc_fast_inf *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; +}; + +void ucc_fast_transmit_on_demand(struct ucc_fast_priv *uccf); +u32 ucc_fast_get_qe_cr_subblock(int ucc_num); +void ucc_fast_enable(struct ucc_fast_priv *uccf, comm_dir_e mode); +void ucc_fast_disable(struct ucc_fast_priv *uccf, comm_dir_e mode); +int ucc_fast_init(struct ucc_fast_inf *uf_info, + struct ucc_fast_priv **uccf_ret); + +#endif /* __UCCF_H__ */ |