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[POWERPC] bestcomm: FEC task support

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This is the microcode for the FEC task and the associated
support code.

The microcode itself comes directly from the offical
API (v2.2)

Signed-off-by: Sylvain Munaut <tnt@246tNt.com>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
This commit is contained in:
Sylvain Munaut
2007-09-16 20:53:29 +10:00
committed by Grant Likely
parent 9ea68df515
commit ba11c79aba
6 changed files with 509 additions and 0 deletions
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61
arch/powerpc/sysdev/bestcomm/fec.h Normal file
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/*
* Header for Bestcomm FEC tasks driver
*
*
* Copyright (C) 2006-2007 Sylvain Munaut <tnt@246tNt.com>
* Copyright (C) 2003-2004 MontaVista, Software, Inc.
* ( by Dale Farnsworth <dfarnsworth@mvista.com> )
*
* This file is licensed under the terms of the GNU General Public License
* version 2. This program is licensed "as is" without any warranty of any
* kind, whether express or implied.
*/
#ifndef __BESTCOMM_FEC_H__
#define __BESTCOMM_FEC_H__
struct bcom_fec_bd {
u32 status;
u32 skb_pa;
};
#define BCOM_FEC_TX_BD_TFD 0x08000000ul /* transmit frame done */
#define BCOM_FEC_TX_BD_TC 0x04000000ul /* transmit CRC */
#define BCOM_FEC_TX_BD_ABC 0x02000000ul /* append bad CRC */
#define BCOM_FEC_RX_BD_L 0x08000000ul /* buffer is last in frame */
#define BCOM_FEC_RX_BD_BC 0x00800000ul /* DA is broadcast */
#define BCOM_FEC_RX_BD_MC 0x00400000ul /* DA is multicast and not broadcast */
#define BCOM_FEC_RX_BD_LG 0x00200000ul /* Rx frame length violation */
#define BCOM_FEC_RX_BD_NO 0x00100000ul /* Rx non-octet aligned frame */
#define BCOM_FEC_RX_BD_CR 0x00040000ul /* Rx CRC error */
#define BCOM_FEC_RX_BD_OV 0x00020000ul /* overrun */
#define BCOM_FEC_RX_BD_TR 0x00010000ul /* Rx frame truncated */
#define BCOM_FEC_RX_BD_LEN_MASK 0x000007fful /* mask for length of received frame */
#define BCOM_FEC_RX_BD_ERRORS (BCOM_FEC_RX_BD_LG | BCOM_FEC_RX_BD_NO | \
BCOM_FEC_RX_BD_CR | BCOM_FEC_RX_BD_OV | BCOM_FEC_RX_BD_TR)
extern struct bcom_task *
bcom_fec_rx_init(int queue_len, phys_addr_t fifo, int maxbufsize);
extern int
bcom_fec_rx_reset(struct bcom_task *tsk);
extern void
bcom_fec_rx_release(struct bcom_task *tsk);
extern struct bcom_task *
bcom_fec_tx_init(int queue_len, phys_addr_t fifo);
extern int
bcom_fec_tx_reset(struct bcom_task *tsk);
extern void
bcom_fec_tx_release(struct bcom_task *tsk);
#endif /* __BESTCOMM_FEC_H__ */