xlp.h revision 233533
1/*-
2 * Copyright 2003-2011 Netlogic Microsystems (Netlogic). All rights
3 * reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions are
7 * met:
8 *
9 * 1. Redistributions of source code must retain the above copyright
10 *    notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 *    notice, this list of conditions and the following disclaimer in
13 *    the documentation and/or other materials provided with the
14 *    distribution.
15 *
16 * THIS SOFTWARE IS PROVIDED BY Netlogic Microsystems ``AS IS'' AND
17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
19 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL NETLOGIC OR CONTRIBUTORS BE
20 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
21 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
22 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
23 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
24 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
25 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
26 * THE POSSIBILITY OF SUCH DAMAGE.
27 *
28 * NETLOGIC_BSD
29 * $FreeBSD: head/sys/mips/nlm/xlp.h 233533 2012-03-27 07:39:05Z jchandra $
30 */
31
32#ifndef __NLM_XLP_H__
33#define __NLM_XLP_H__
34#include <mips/nlm/hal/mips-extns.h>
35#include <mips/nlm/hal/iomap.h>
36
37#define	PIC_UART_0_IRQ	9
38#define	PIC_UART_1_IRQ	10
39
40#define	PIC_PCIE_0_IRQ	11
41#define	PIC_PCIE_1_IRQ	12
42#define	PIC_PCIE_2_IRQ	13
43#define	PIC_PCIE_3_IRQ	14
44
45#define	PIC_EHCI_0_IRQ	39
46/* 41 used by IRQ_SMP */
47#define	PIC_EHCI_1_IRQ	42
48#define	PIC_MMC_IRQ	43
49
50
51/* XLP 8xx/4xx A0, A1, A2 CPU COP0 PRIDs */
52#define	CHIP_PROCESSOR_ID_XLP_8XX		0x10
53#define	CHIP_PROCESSOR_ID_XLP_3XX		0x11
54#define	CHIP_PROCESSOR_ID_XLP_416		0x94
55#define	CHIP_PROCESSOR_ID_XLP_432		0x14
56
57/* Revision id's */
58#define	XLP_REVISION_A0				0x00
59#define	XLP_REVISION_A1				0x01
60#define	XLP_REVISION_A2				0x02
61#define	XLP_REVISION_B0				0x03
62
63#ifndef LOCORE
64/*
65 * FreeBSD can be started with few threads and cores turned off,
66 * so have a hardware thread id to FreeBSD cpuid mapping.
67 */
68extern int xlp_ncores;
69extern int xlp_threads_per_core;
70extern uint32_t xlp_hw_thread_mask;
71extern int xlp_cpuid_to_hwtid[];
72extern int xlp_hwtid_to_cpuid[];
73#ifdef SMP
74extern void xlp_enable_threads(int code);
75#endif
76uint32_t xlp_get_cpu_frequency(int node, int core);
77int nlm_set_device_frequency(int node, int devtype, int frequency);
78void nlm_pic_irt_init(int node);
79int xlp_irt_to_irq(int irt);
80int xlp_irq_to_irt(int irq);
81int xlp_irq_is_picintr(int irq);
82
83static __inline int nlm_processor_id(void)
84{
85	return ((mips_rd_prid() >> 8) & 0xff);
86}
87
88static __inline int nlm_is_xlp3xx(void)
89{
90
91	return (nlm_processor_id() == CHIP_PROCESSOR_ID_XLP_3XX);
92}
93
94static __inline int nlm_is_xlp4xx(void)
95{
96	int prid = nlm_processor_id();
97
98	return (prid == CHIP_PROCESSOR_ID_XLP_432 ||
99	    prid == CHIP_PROCESSOR_ID_XLP_416);
100}
101
102static __inline int nlm_is_xlp8xx(void)
103{
104	int prid = nlm_processor_id();
105
106	return (prid == CHIP_PROCESSOR_ID_XLP_8XX ||
107	    prid == CHIP_PROCESSOR_ID_XLP_432 ||
108	    prid == CHIP_PROCESSOR_ID_XLP_416);
109}
110
111static __inline int nlm_is_xlp8xx_ax(void)
112{
113	uint32_t procid = mips_rd_prid();
114	int prid = (procid >> 8) & 0xff;
115	int rev = procid & 0xff;
116
117	return ((prid == CHIP_PROCESSOR_ID_XLP_8XX ||
118	    prid == CHIP_PROCESSOR_ID_XLP_432 ||
119	    prid == CHIP_PROCESSOR_ID_XLP_416) &&
120	    (rev < XLP_REVISION_B0));
121}
122
123#endif /* LOCORE */
124#endif /* __NLM_XLP_H__ */
125