GNU Linux-libre 4.19.295-gnu1
[releases.git] / arch / sh / kernel / cpu / sh2 / setup-sh7619.c
1 /*
2  * SH7619 Setup
3  *
4  *  Copyright (C) 2006  Yoshinori Sato
5  *  Copyright (C) 2009  Paul Mundt
6  *
7  * This file is subject to the terms and conditions of the GNU General Public
8  * License.  See the file "COPYING" in the main directory of this archive
9  * for more details.
10  */
11 #include <linux/platform_device.h>
12 #include <linux/init.h>
13 #include <linux/serial.h>
14 #include <linux/serial_sci.h>
15 #include <linux/sh_eth.h>
16 #include <linux/sh_timer.h>
17 #include <linux/io.h>
18
19 enum {
20         UNUSED = 0,
21
22         /* interrupt sources */
23         IRQ0, IRQ1, IRQ2, IRQ3, IRQ4, IRQ5, IRQ6, IRQ7,
24         WDT, EDMAC, CMT0, CMT1,
25         SCIF0, SCIF1, SCIF2,
26         HIF_HIFI, HIF_HIFBI,
27         DMAC0, DMAC1, DMAC2, DMAC3,
28         SIOF,
29 };
30
31 static struct intc_vect vectors[] __initdata = {
32         INTC_IRQ(IRQ0, 64), INTC_IRQ(IRQ1, 65),
33         INTC_IRQ(IRQ2, 66), INTC_IRQ(IRQ3, 67),
34         INTC_IRQ(IRQ4, 80), INTC_IRQ(IRQ5, 81),
35         INTC_IRQ(IRQ6, 82), INTC_IRQ(IRQ7, 83),
36         INTC_IRQ(WDT, 84), INTC_IRQ(EDMAC, 85),
37         INTC_IRQ(CMT0, 86), INTC_IRQ(CMT1, 87),
38         INTC_IRQ(SCIF0, 88), INTC_IRQ(SCIF0, 89),
39         INTC_IRQ(SCIF0, 90), INTC_IRQ(SCIF0, 91),
40         INTC_IRQ(SCIF1, 92), INTC_IRQ(SCIF1, 93),
41         INTC_IRQ(SCIF1, 94), INTC_IRQ(SCIF1, 95),
42         INTC_IRQ(SCIF2, 96), INTC_IRQ(SCIF2, 97),
43         INTC_IRQ(SCIF2, 98), INTC_IRQ(SCIF2, 99),
44         INTC_IRQ(HIF_HIFI, 100), INTC_IRQ(HIF_HIFBI, 101),
45         INTC_IRQ(DMAC0, 104), INTC_IRQ(DMAC1, 105),
46         INTC_IRQ(DMAC2, 106), INTC_IRQ(DMAC3, 107),
47         INTC_IRQ(SIOF, 108),
48 };
49
50 static struct intc_prio_reg prio_registers[] __initdata = {
51         { 0xf8140006, 0, 16, 4, /* IPRA */ { IRQ0, IRQ1, IRQ2, IRQ3 } },
52         { 0xf8140008, 0, 16, 4, /* IPRB */ { IRQ4, IRQ5, IRQ6, IRQ7 } },
53         { 0xf8080000, 0, 16, 4, /* IPRC */ { WDT, EDMAC, CMT0, CMT1 } },
54         { 0xf8080002, 0, 16, 4, /* IPRD */ { SCIF0, SCIF1, SCIF2 } },
55         { 0xf8080004, 0, 16, 4, /* IPRE */ { HIF_HIFI, HIF_HIFBI } },
56         { 0xf8080006, 0, 16, 4, /* IPRF */ { DMAC0, DMAC1, DMAC2, DMAC3 } },
57         { 0xf8080008, 0, 16, 4, /* IPRG */ { SIOF } },
58 };
59
60 static DECLARE_INTC_DESC(intc_desc, "sh7619", vectors, NULL,
61                          NULL, prio_registers, NULL);
62
63 static struct plat_sci_port scif0_platform_data = {
64         .scscr          = SCSCR_REIE,
65         .type           = PORT_SCIF,
66 };
67
68 static struct resource scif0_resources[] = {
69         DEFINE_RES_MEM(0xf8400000, 0x100),
70         DEFINE_RES_IRQ(88),
71 };
72
73 static struct platform_device scif0_device = {
74         .name           = "sh-sci",
75         .id             = 0,
76         .resource       = scif0_resources,
77         .num_resources  = ARRAY_SIZE(scif0_resources),
78         .dev            = {
79                 .platform_data  = &scif0_platform_data,
80         },
81 };
82
83 static struct plat_sci_port scif1_platform_data = {
84         .scscr          = SCSCR_REIE,
85         .type           = PORT_SCIF,
86 };
87
88 static struct resource scif1_resources[] = {
89         DEFINE_RES_MEM(0xf8410000, 0x100),
90         DEFINE_RES_IRQ(92),
91 };
92
93 static struct platform_device scif1_device = {
94         .name           = "sh-sci",
95         .id             = 1,
96         .resource       = scif1_resources,
97         .num_resources  = ARRAY_SIZE(scif1_resources),
98         .dev            = {
99                 .platform_data  = &scif1_platform_data,
100         },
101 };
102
103 static struct plat_sci_port scif2_platform_data = {
104         .scscr          = SCSCR_REIE,
105         .type           = PORT_SCIF,
106 };
107
108 static struct resource scif2_resources[] = {
109         DEFINE_RES_MEM(0xf8420000, 0x100),
110         DEFINE_RES_IRQ(96),
111 };
112
113 static struct platform_device scif2_device = {
114         .name           = "sh-sci",
115         .id             = 2,
116         .resource       = scif2_resources,
117         .num_resources  = ARRAY_SIZE(scif2_resources),
118         .dev            = {
119                 .platform_data  = &scif2_platform_data,
120         },
121 };
122
123 static struct sh_eth_plat_data eth_platform_data = {
124         .phy            = 1,
125         .phy_interface  = PHY_INTERFACE_MODE_MII,
126 };
127
128 static struct resource eth_resources[] = {
129         [0] = {
130                 .start = 0xfb000000,
131                 .end = 0xfb0001c7,
132                 .flags = IORESOURCE_MEM,
133         },
134         [1] = {
135                 .start = 85,
136                 .end = 85,
137                 .flags = IORESOURCE_IRQ,
138         },
139 };
140
141 static struct platform_device eth_device = {
142         .name = "sh7619-ether",
143         .id = -1,
144         .dev = {
145                 .platform_data = &eth_platform_data,
146         },
147         .num_resources = ARRAY_SIZE(eth_resources),
148         .resource = eth_resources,
149 };
150
151 static struct sh_timer_config cmt_platform_data = {
152         .channels_mask = 3,
153 };
154
155 static struct resource cmt_resources[] = {
156         DEFINE_RES_MEM(0xf84a0070, 0x10),
157         DEFINE_RES_IRQ(86),
158         DEFINE_RES_IRQ(87),
159 };
160
161 static struct platform_device cmt_device = {
162         .name           = "sh-cmt-16",
163         .id             = 0,
164         .dev = {
165                 .platform_data  = &cmt_platform_data,
166         },
167         .resource       = cmt_resources,
168         .num_resources  = ARRAY_SIZE(cmt_resources),
169 };
170
171 static struct platform_device *sh7619_devices[] __initdata = {
172         &scif0_device,
173         &scif1_device,
174         &scif2_device,
175         &eth_device,
176         &cmt_device,
177 };
178
179 static int __init sh7619_devices_setup(void)
180 {
181         return platform_add_devices(sh7619_devices,
182                                     ARRAY_SIZE(sh7619_devices));
183 }
184 arch_initcall(sh7619_devices_setup);
185
186 void __init plat_irq_setup(void)
187 {
188         register_intc_controller(&intc_desc);
189 }
190
191 static struct platform_device *sh7619_early_devices[] __initdata = {
192         &scif0_device,
193         &scif1_device,
194         &scif2_device,
195         &cmt_device,
196 };
197
198 #define STBCR3 0xf80a0000
199
200 void __init plat_early_device_setup(void)
201 {
202         /* enable CMT clock */
203         __raw_writeb(__raw_readb(STBCR3) & ~0x10, STBCR3);
204
205         early_platform_add_devices(sh7619_early_devices,
206                                    ARRAY_SIZE(sh7619_early_devices));
207 }