mtk_pcie.h revision 297850
1/*-
2 * Copyright (c) 2016 Stanislav Galabov.
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 *    notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 *    notice, this list of conditions and the following disclaimer in the
12 *    documentation and/or other materials provided with the distribution.
13 *
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24 * SUCH DAMAGE.
25 *
26 * $FreeBSD: head/sys/mips/mediatek/mtk_pcie.h 297850 2016-04-12 07:21:22Z sgalabov $
27 */
28#ifndef __MTK_PCIE_H__
29#define __MTK_PCIE_H__
30
31#define MTK_PCI_NIRQS			3
32#define MTK_PCI_BASESLOT		0
33
34struct mtk_pci_softc {
35	device_t		sc_dev;
36
37	struct resource *	pci_res[MTK_PCI_NIRQS + 1];
38	void *			pci_intrhand[MTK_PCI_NIRQS];
39
40	int			sc_busno;
41	int			sc_cur_secbus;
42
43	struct rman		sc_mem_rman;
44	struct rman		sc_io_rman;
45	struct rman		sc_irq_rman;
46
47	uint32_t		sc_num_irq;
48	uint32_t		sc_irq_start;
49	uint32_t		sc_irq_end;
50
51	bus_addr_t		sc_mem_base;
52	bus_addr_t		sc_mem_size;
53
54	bus_addr_t		sc_io_base;
55	bus_addr_t		sc_io_size;
56
57	struct intr_event	*sc_eventstab[MTK_PCI_NIRQS];
58
59	uint32_t		pcie_link_status;
60	uint32_t		num_slots;
61	uint32_t		socid;
62	uint32_t		addr_mask;
63};
64
65#define MTK_PCI_PCICFG			0x0000
66#define    MTK_PCI_RESET			(1<<1)
67#define MTK_PCI_PCIINT			0x0008
68#define MTK_PCI_PCIENA			0x000C
69#define MTK_PCI_CFGADDR			0x0020
70#define MTK_PCI_CFGDATA			0x0024
71#define MTK_PCI_MEMBASE			0x0028
72#define MTK_PCI_IOBASE			0x002C
73#define MTK_PCI_ARBCTL			0x0080
74#define MTK_PCI_PHY0_CFG		0x0090
75
76#define MTK_PCI_PCIE0_BAR0SETUP		0x2010
77#define MTK_PCI_PCIE0_BAR1SETUP		0x2014
78#define MTK_PCI_PCIE0_IMBASEBAR0	0x2018
79#define MTK_PCI_PCIE0_ID		0x2030
80#define MTK_PCI_PCIE0_CLASS		0x2034
81#define MTK_PCI_PCIE0_SUBID		0x2038
82#define MTK_PCI_PCIE0_STATUS		0x2050
83#define MTK_PCI_PCIE0_DLECR		0x2060
84#define MTK_PCI_PCIE0_ECRC		0x2064
85
86#define MTK_PCIE_BAR0SETUP(_s)		(MTK_PCI_PCIE0_BAR0SETUP + (_s)*0x1000)
87#define MTK_PCIE_BAR1SETUP(_s)		(MTK_PCI_PCIE0_BAR1SETUP + (_s)*0x1000)
88#define MTK_PCIE_IMBASEBAR0(_s)		(MTK_PCI_PCIE0_IMBASEBAR0 + (_s)*0x1000)
89#define MTK_PCIE_ID(_s)			(MTK_PCI_PCIE0_ID + (_s)*0x1000)
90#define MTK_PCIE_CLASS(_s)		(MTK_PCI_PCIE0_CLASS + (_s)*0x1000)
91#define MTK_PCIE_SUBID(_s)		(MTK_PCI_PCIE0_SUBID + (_s)*0x1000)
92#define MTK_PCIE_STATUS(_s)		(MTK_PCI_PCIE0_STATUS + (_s)*0x1000)
93
94#define MTK_PCIE0_IRQ			20
95#define MTK_PCIE1_IRQ			21
96#define MTK_PCIE2_IRQ			22
97
98#define MTK_PCI_INTR_PIN		2
99
100/* Chip specific defines */
101#define MT7620_MAX_RETRIES	10
102#define MT7620_PCIE_PHY_CFG	0x90
103#define    PHY_BUSY			(1<<31)
104#define    PHY_MODE_WRITE		(1<<23)
105#define    PHY_ADDR_OFFSET		8
106#define MT7620_PPLL_CFG0	0x98
107#define    PPLL_SW_SET			(1<<31)
108#define MT7620_PPLL_CFG1	0x9c
109#define    PPLL_PD			(1<<26)
110#define    PPLL_LOCKED			(1<<23)
111#define MT7620_PPLL_DRV		0xa0
112#define   PDRV_SW_SET			(1<<31)
113#define   LC_CKDRVPD			(1<<19)
114#define   LC_CKDRVOHZ			(1<<18)
115#define   LC_CKDRVHZ			(1<<17)
116#define MT7620_PERST_GPIO_MODE	(3<<16)
117#define   MT7620_PERST			(0<<16)
118#define   MT7620_GPIO			(2<<16)
119#define MT7620_PKG_BGA		(1<<16)
120
121#define MT7628_PERST_GPIO_MODE	(1<<16)
122#define   MT7628_PERST			(0<<16)
123
124#define MT7621_PERST_GPIO_MODE	(3<<10)
125#define   MT7621_PERST_GPIO		(1<<10)
126#define MT7621_UARTL3_GPIO_MODE	(3<<3)
127#define   MT7621_UARTL3_GPIO		(1<<3)
128#define MT7621_PCIE0_RST	(1<<19)
129#define MT7621_PCIE1_RST	(1<<8)
130#define MT7621_PCIE2_RST	(1<<7)
131#define MT7621_PCIE_RST		(MT7621_PCIE0_RST | MT7621_PCIE1_RST | \
132				 MT7621_PCIE2_RST)
133
134#define RT3883_PCI_RST		(1<<24)
135#define RT3883_PCI_CLK		(1<<19)
136#define RT3883_PCI_HOST_MODE	(1<<7)
137#define RT3883_PCIE_RC_MODE	(1<<8)
138/* End of chip specific defines */
139
140#define MT_WRITE32(sc, off, val) \
141	bus_write_4((sc)->pci_res[0], (off), (val))
142#define MT_WRITE16(sc, off, val) \
143	bus_write_2((sc)->pci_res[0], (off), (val))
144#define MT_WRITE8(sc, off, val) \
145	bus_write_1((sc)->pci_res[0], (off), (val))
146#define MT_READ32(sc, off) \
147	bus_read_4((sc)->pci_res[0], (off))
148#define MT_READ16(sc, off) \
149	bus_read_2((sc)->pci_res[0], (off))
150#define MT_READ8(sc, off) \
151	bus_read_1((sc)->pci_res[0], (off))
152
153#define MT_CLR_SET32(sc, off, clr, set)	\
154	MT_WRITE32((sc), (off), ((MT_READ32((sc), (off)) & ~(clr)) | (off)))
155
156#endif /* __MTK_PCIE_H__ */
157