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-rw-r--r--include/asm-powerpc/ucc_slow.h290
1 files changed, 0 insertions, 290 deletions
diff --git a/include/asm-powerpc/ucc_slow.h b/include/asm-powerpc/ucc_slow.h
deleted file mode 100644
index 0980e6ad335..00000000000
--- a/include/asm-powerpc/ucc_slow.h
+++ /dev/null
@@ -1,290 +0,0 @@
-/*
- * Copyright (C) 2006 Freescale Semicondutor, Inc. All rights reserved.
- *
- * Authors: Shlomi Gridish <gridish@freescale.com>
- * Li Yang <leoli@freescale.com>
- *
- * Description:
- * Internal header file for UCC SLOW unit routines.
- *
- * 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.
- */
-#ifndef __UCC_SLOW_H__
-#define __UCC_SLOW_H__
-
-#include <linux/kernel.h>
-
-#include <asm/immap_qe.h>
-#include <asm/qe.h>
-
-#include "ucc.h"
-
-/* transmit BD's status */
-#define T_R 0x80000000 /* ready bit */
-#define T_PAD 0x40000000 /* add pads to short frames */
-#define T_W 0x20000000 /* wrap bit */
-#define T_I 0x10000000 /* interrupt on completion */
-#define T_L 0x08000000 /* last */
-
-#define T_A 0x04000000 /* Address - the data transmitted as address
- chars */
-#define T_TC 0x04000000 /* transmit CRC */
-#define T_CM 0x02000000 /* continuous mode */
-#define T_DEF 0x02000000 /* collision on previous attempt to transmit */
-#define T_P 0x01000000 /* Preamble - send Preamble sequence before
- data */
-#define T_HB 0x01000000 /* heartbeat */
-#define T_NS 0x00800000 /* No Stop */
-#define T_LC 0x00800000 /* late collision */
-#define T_RL 0x00400000 /* retransmission limit */
-#define T_UN 0x00020000 /* underrun */
-#define T_CT 0x00010000 /* CTS lost */
-#define T_CSL 0x00010000 /* carrier sense lost */
-#define T_RC 0x003c0000 /* retry count */
-
-/* Receive BD's status */
-#define R_E 0x80000000 /* buffer empty */
-#define R_W 0x20000000 /* wrap bit */
-#define R_I 0x10000000 /* interrupt on reception */
-#define R_L 0x08000000 /* last */
-#define R_C 0x08000000 /* the last byte in this buffer is a cntl
- char */
-#define R_F 0x04000000 /* first */
-#define R_A 0x04000000 /* the first byte in this buffer is address
- byte */
-#define R_CM 0x02000000 /* continuous mode */
-#define R_ID 0x01000000 /* buffer close on reception of idles */
-#define R_M 0x01000000 /* Frame received because of promiscuous
- mode */
-#define R_AM 0x00800000 /* Address match */
-#define R_DE 0x00800000 /* Address match */
-#define R_LG 0x00200000 /* Break received */
-#define R_BR 0x00200000 /* Frame length violation */
-#define R_NO 0x00100000 /* Rx Non Octet Aligned Packet */
-#define R_FR 0x00100000 /* Framing Error (no stop bit) character
- received */
-#define R_PR 0x00080000 /* Parity Error character received */
-#define R_AB 0x00080000 /* Frame Aborted */
-#define R_SH 0x00080000 /* frame is too short */
-#define R_CR 0x00040000 /* CRC Error */
-#define R_OV 0x00020000 /* Overrun */
-#define R_CD 0x00010000 /* CD lost */
-#define R_CL 0x00010000 /* this frame is closed because of a
- collision */
-
-/* Rx Data buffer must be 4 bytes aligned in most cases.*/
-#define UCC_SLOW_RX_ALIGN 4
-#define UCC_SLOW_MRBLR_ALIGNMENT 4
-#define UCC_SLOW_PRAM_SIZE 0x100
-#define ALIGNMENT_OF_UCC_SLOW_PRAM 64
-
-/* UCC Slow Channel Protocol Mode */
-enum ucc_slow_channel_protocol_mode {
- UCC_SLOW_CHANNEL_PROTOCOL_MODE_QMC = 0x00000002,
- UCC_SLOW_CHANNEL_PROTOCOL_MODE_UART = 0x00000004,
- UCC_SLOW_CHANNEL_PROTOCOL_MODE_BISYNC = 0x00000008,
-};
-
-/* UCC Slow Transparent Transmit CRC (TCRC) */
-enum ucc_slow_transparent_tcrc {
- /* 16-bit CCITT CRC (HDLC). (X16 + X12 + X5 + 1) */
- UCC_SLOW_TRANSPARENT_TCRC_CCITT_CRC16 = 0x00000000,
- /* CRC16 (BISYNC). (X16 + X15 + X2 + 1) */
- UCC_SLOW_TRANSPARENT_TCRC_CRC16 = 0x00004000,
- /* 32-bit CCITT CRC (Ethernet and HDLC) */
- UCC_SLOW_TRANSPARENT_TCRC_CCITT_CRC32 = 0x00008000,
-};
-
-/* UCC Slow oversampling rate for transmitter (TDCR) */
-enum ucc_slow_tx_oversampling_rate {
- /* 1x clock mode */
- UCC_SLOW_OVERSAMPLING_RATE_TX_TDCR_1 = 0x00000000,
- /* 8x clock mode */
- UCC_SLOW_OVERSAMPLING_RATE_TX_TDCR_8 = 0x00010000,
- /* 16x clock mode */
- UCC_SLOW_OVERSAMPLING_RATE_TX_TDCR_16 = 0x00020000,
- /* 32x clock mode */
- UCC_SLOW_OVERSAMPLING_RATE_TX_TDCR_32 = 0x00030000,
-};
-
-/* UCC Slow Oversampling rate for receiver (RDCR)
-*/
-enum ucc_slow_rx_oversampling_rate {
- /* 1x clock mode */
- UCC_SLOW_OVERSAMPLING_RATE_RX_RDCR_1 = 0x00000000,
- /* 8x clock mode */
- UCC_SLOW_OVERSAMPLING_RATE_RX_RDCR_8 = 0x00004000,
- /* 16x clock mode */
- UCC_SLOW_OVERSAMPLING_RATE_RX_RDCR_16 = 0x00008000,
- /* 32x clock mode */
- UCC_SLOW_OVERSAMPLING_RATE_RX_RDCR_32 = 0x0000c000,
-};
-
-/* UCC Slow Transmitter encoding method (TENC)
-*/
-enum ucc_slow_tx_encoding_method {
- UCC_SLOW_TRANSMITTER_ENCODING_METHOD_TENC_NRZ = 0x00000000,
- UCC_SLOW_TRANSMITTER_ENCODING_METHOD_TENC_NRZI = 0x00000100
-};
-
-/* UCC Slow Receiver decoding method (RENC)
-*/
-enum ucc_slow_rx_decoding_method {
- UCC_SLOW_RECEIVER_DECODING_METHOD_RENC_NRZ = 0x00000000,
- UCC_SLOW_RECEIVER_DECODING_METHOD_RENC_NRZI = 0x00000800
-};
-
-/* UCC Slow Diagnostic mode (DIAG)
-*/
-enum ucc_slow_diag_mode {
- UCC_SLOW_DIAG_MODE_NORMAL = 0x00000000,
- UCC_SLOW_DIAG_MODE_LOOPBACK = 0x00000040,
- UCC_SLOW_DIAG_MODE_ECHO = 0x00000080,
- UCC_SLOW_DIAG_MODE_LOOPBACK_ECHO = 0x000000c0
-};
-
-struct ucc_slow_info {
- int ucc_num;
- int protocol; /* QE_CR_PROTOCOL_xxx */
- enum qe_clock rx_clock;
- enum qe_clock tx_clock;
- phys_addr_t regs;
- int irq;
- u16 uccm_mask;
- int data_mem_part;
- int init_tx;
- int init_rx;
- u32 tx_bd_ring_len;
- u32 rx_bd_ring_len;
- int rx_interrupts;
- int brkpt_support;
- int grant_support;
- int tsa;
- int cdp;
- int cds;
- int ctsp;
- int ctss;
- int rinv;
- int tinv;
- int rtsm;
- int rfw;
- int tci;
- int tend;
- int tfl;
- int txsy;
- u16 max_rx_buf_length;
- enum ucc_slow_transparent_tcrc tcrc;
- enum ucc_slow_channel_protocol_mode mode;
- enum ucc_slow_diag_mode diag;
- enum ucc_slow_tx_oversampling_rate tdcr;
- enum ucc_slow_rx_oversampling_rate rdcr;
- enum ucc_slow_tx_encoding_method tenc;
- enum ucc_slow_rx_decoding_method renc;
-};
-
-struct ucc_slow_private {
- struct ucc_slow_info *us_info;
- struct ucc_slow __iomem *us_regs; /* Ptr to memory map of UCC regs */
- struct ucc_slow_pram *us_pram; /* a pointer to the parameter RAM */
- u32 us_pram_offset;
- int enabled_tx; /* Whether channel is enabled for Tx (ENT) */
- int enabled_rx; /* Whether channel is enabled for Rx (ENR) */
- int stopped_tx; /* Whether channel has been stopped for Tx
- (STOP_TX, etc.) */
- int stopped_rx; /* Whether channel has been stopped for Rx */
- struct list_head confQ; /* frames passed to chip waiting for tx */
- u32 first_tx_bd_mask; /* mask is used in Tx routine to save status
- and length for first BD in a frame */
- u32 tx_base_offset; /* first BD in Tx BD table offset (In MURAM) */
- u32 rx_base_offset; /* first BD in Rx BD table offset (In MURAM) */
- struct qe_bd *confBd; /* next BD for confirm after Tx */
- struct qe_bd *tx_bd; /* next BD for new Tx request */
- struct qe_bd *rx_bd; /* next BD to collect after Rx */
- void *p_rx_frame; /* accumulating receive frame */
- u16 *p_ucce; /* a pointer to the event register in memory.
- */
- u16 *p_uccm; /* a pointer to the mask register in memory */
- u16 saved_uccm; /* a saved mask for the RX Interrupt bits */
-#ifdef STATISTICS
- u32 tx_frames; /* Transmitted frames counters */
- u32 rx_frames; /* Received frames counters (only frames
- passed to application) */
- u32 rx_discarded; /* Discarded frames counters (frames that
- were discarded by the driver due to
- errors) */
-#endif /* STATISTICS */
-};
-
-/* ucc_slow_init
- * Initializes Slow UCC according to provided parameters.
- *
- * us_info - (In) pointer to the slow UCC info structure.
- * uccs_ret - (Out) pointer to the slow UCC structure.
- */
-int ucc_slow_init(struct ucc_slow_info * us_info, struct ucc_slow_private ** uccs_ret);
-
-/* ucc_slow_free
- * Frees all resources for slow UCC.
- *
- * uccs - (In) pointer to the slow UCC structure.
- */
-void ucc_slow_free(struct ucc_slow_private * uccs);
-
-/* ucc_slow_enable
- * Enables a fast UCC port.
- * This routine enables Tx and/or Rx through the General UCC Mode Register.
- *
- * uccs - (In) pointer to the slow UCC structure.
- * mode - (In) TX, RX, or both.
- */
-void ucc_slow_enable(struct ucc_slow_private * uccs, enum comm_dir mode);
-
-/* ucc_slow_disable
- * Disables a fast UCC port.
- * This routine disables Tx and/or Rx through the General UCC Mode Register.
- *
- * uccs - (In) pointer to the slow UCC structure.
- * mode - (In) TX, RX, or both.
- */
-void ucc_slow_disable(struct ucc_slow_private * uccs, enum comm_dir mode);
-
-/* ucc_slow_poll_transmitter_now
- * Immediately forces a poll of the transmitter for data to be sent.
- * Typically, the hardware performs a periodic poll for data that the
- * transmit routine has set up to be transmitted. In cases where
- * this polling cycle is not soon enough, this optional routine can
- * be invoked to force a poll right away, instead. Proper use for
- * each transmission for which this functionality is desired is to
- * call the transmit routine and then this routine right after.
- *
- * uccs - (In) pointer to the slow UCC structure.
- */
-void ucc_slow_poll_transmitter_now(struct ucc_slow_private * uccs);
-
-/* ucc_slow_graceful_stop_tx
- * Smoothly stops transmission on a specified slow UCC.
- *
- * uccs - (In) pointer to the slow UCC structure.
- */
-void ucc_slow_graceful_stop_tx(struct ucc_slow_private * uccs);
-
-/* ucc_slow_stop_tx
- * Stops transmission on a specified slow UCC.
- *
- * uccs - (In) pointer to the slow UCC structure.
- */
-void ucc_slow_stop_tx(struct ucc_slow_private * uccs);
-
-/* ucc_slow_restart_tx
- * Restarts transmitting on a specified slow UCC.
- *
- * uccs - (In) pointer to the slow UCC structure.
- */
-void ucc_slow_restart_tx(struct ucc_slow_private *uccs);
-
-u32 ucc_slow_get_qe_cr_subblock(int uccs_num);
-
-#endif /* __UCC_SLOW_H__ */