linux/arch/mips/include/asm/netlogic/xlr/xlr.h

65 lines
2.3 KiB
C

/*
* Copyright 2003-2011 NetLogic Microsystems, Inc. (NetLogic). All rights
* reserved.
*
* This software is available to you under a choice of one of two
* licenses. You may choose to be licensed under the terms of the GNU
* General Public License (GPL) Version 2, available from the file
* COPYING in the main directory of this source tree, or the NetLogic
* license below:
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* THIS SOFTWARE IS PROVIDED BY NETLOGIC ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL NETLOGIC OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
* BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
* OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
* IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef _ASM_NLM_XLR_H
#define _ASM_NLM_XLR_H
/* Platform UART functions */
struct uart_port;
unsigned int nlm_xlr_uart_in(struct uart_port *, int);
void nlm_xlr_uart_out(struct uart_port *, int, int);
/* SMP helpers */
void xlr_wakeup_secondary_cpus(void);
/* XLS B silicon "Rook" */
static inline unsigned int nlm_chip_is_xls_b(void)
{
uint32_t prid = read_c0_prid();
return ((prid & 0xf000) == 0x4000);
}
/* XLR chip types */
/* The XLS product line has chip versions 0x[48c]? */
static inline unsigned int nlm_chip_is_xls(void)
{
uint32_t prid = read_c0_prid();
return ((prid & 0xf000) == 0x8000 || (prid & 0xf000) == 0x4000 ||
(prid & 0xf000) == 0xc000);
}
#endif /* _ASM_NLM_XLR_H */