orion.c revision 330897 
1/*-
2 * SPDX-License-Identifier: BSD-3-Clause
3 *
4 * Copyright (C) 2008 MARVELL INTERNATIONAL LTD.
5 * All rights reserved.
6 *
7 * Developed by Semihalf.
8 *
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted provided that the following conditions
11 * are met:
12 * 1. Redistributions of source code must retain the above copyright
13 *    notice, this list of conditions and the following disclaimer.
14 * 2. Redistributions in binary form must reproduce the above copyright
15 *    notice, this list of conditions and the following disclaimer in the
16 *    documentation and/or other materials provided with the distribution.
17 * 3. Neither the name of MARVELL nor the names of contributors
18 *    may be used to endorse or promote products derived from this software
19 *    without specific prior written permission.
20 *
21 * THIS SOFTWARE IS PROVIDED BY AUTHOR AND CONTRIBUTORS ``AS IS'' AND
22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24 * ARE DISCLAIMED.  IN NO EVENT SHALL AUTHOR OR CONTRIBUTORS BE LIABLE
25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31 * SUCH DAMAGE.
32 */
33
34#include <sys/cdefs.h>
35__FBSDID("$FreeBSD: stable/11/sys/arm/mv/orion/orion.c 330897 2018-03-14 03:19:51Z eadler $");
36
37#include <sys/param.h>
38#include <sys/systm.h>
39#include <sys/bus.h>
40
41#include <machine/bus.h>
42#include <machine/fdt.h>
43
44#include <arm/mv/mvreg.h>
45#include <arm/mv/mvvar.h>
46#include <arm/mv/mvwin.h>
47
48#if 0
49extern const struct obio_pci_irq_map pci_irq_map[];
50const struct obio_pci mv_pci_info[] = {
51	{ MV_TYPE_PCIE,
52		MV_PCIE_BASE,	MV_PCIE_SIZE,
53		MV_PCIE_IO_BASE, MV_PCIE_IO_SIZE,	4, 0x51,
54		MV_PCIE_MEM_BASE, MV_PCIE_MEM_SIZE,	4, 0x59,
55		NULL, MV_INT_PEX0
56	},
57
58	{ MV_TYPE_PCI,
59		MV_PCI_BASE, MV_PCI_SIZE,
60		MV_PCI_IO_BASE, MV_PCI_IO_SIZE,		3, 0x51,
61		MV_PCI_MEM_BASE, MV_PCI_MEM_SIZE,	3, 0x59,
62		pci_irq_map, -1
63	},
64
65	{ 0, 0, 0 }
66};
67#endif
68
69struct resource_spec mv_gpio_res[] = {
70	{ SYS_RES_MEMORY,	0,	RF_ACTIVE },
71	{ SYS_RES_IRQ,		0,	RF_ACTIVE },
72	{ SYS_RES_IRQ,		1,	RF_ACTIVE },
73	{ SYS_RES_IRQ,		2,	RF_ACTIVE },
74	{ SYS_RES_IRQ,		3,	RF_ACTIVE },
75	{ -1, 0 }
76};
77
78const struct decode_win idma_win_tbl[] = {
79	{ 0 },
80};
81const struct decode_win *idma_wins = idma_win_tbl;
82int idma_wins_no = 0;
83
84uint32_t
85get_tclk(void)
86{
87	uint32_t sar;
88
89	/*
90	 * On Orion TCLK is can be configured to 150 MHz or 166 MHz.
91	 * Current setting is read from Sample At Reset register.
92	 */
93	/* XXX MPP addr should be retrieved from the DT */
94	sar = bus_space_read_4(fdtbus_bs_tag, MV_MPP_BASE, SAMPLE_AT_RESET);
95	sar = (sar & TCLK_MASK) >> TCLK_SHIFT;
96	switch (sar) {
97	case 1:
98		return (TCLK_150MHZ);
99	case 2:
100		return (TCLK_166MHZ);
101	default:
102		panic("Unknown TCLK settings!");
103	}
104}
105