xref: /openbmc/linux/arch/sh/kernel/cpu/sh2/setup-sh7619.c (revision 4a075bd4)
1 // SPDX-License-Identifier: GPL-2.0
2 /*
3  * SH7619 Setup
4  *
5  *  Copyright (C) 2006  Yoshinori Sato
6  *  Copyright (C) 2009  Paul Mundt
7  */
8 #include <linux/platform_device.h>
9 #include <linux/init.h>
10 #include <linux/serial.h>
11 #include <linux/serial_sci.h>
12 #include <linux/sh_eth.h>
13 #include <linux/sh_timer.h>
14 #include <linux/io.h>
15 
16 enum {
17 	UNUSED = 0,
18 
19 	/* interrupt sources */
20 	IRQ0, IRQ1, IRQ2, IRQ3, IRQ4, IRQ5, IRQ6, IRQ7,
21 	WDT, EDMAC, CMT0, CMT1,
22 	SCIF0, SCIF1, SCIF2,
23 	HIF_HIFI, HIF_HIFBI,
24 	DMAC0, DMAC1, DMAC2, DMAC3,
25 	SIOF,
26 };
27 
28 static struct intc_vect vectors[] __initdata = {
29 	INTC_IRQ(IRQ0, 64), INTC_IRQ(IRQ1, 65),
30 	INTC_IRQ(IRQ2, 66), INTC_IRQ(IRQ3, 67),
31 	INTC_IRQ(IRQ4, 80), INTC_IRQ(IRQ5, 81),
32 	INTC_IRQ(IRQ6, 82), INTC_IRQ(IRQ7, 83),
33 	INTC_IRQ(WDT, 84), INTC_IRQ(EDMAC, 85),
34 	INTC_IRQ(CMT0, 86), INTC_IRQ(CMT1, 87),
35 	INTC_IRQ(SCIF0, 88), INTC_IRQ(SCIF0, 89),
36 	INTC_IRQ(SCIF0, 90), INTC_IRQ(SCIF0, 91),
37 	INTC_IRQ(SCIF1, 92), INTC_IRQ(SCIF1, 93),
38 	INTC_IRQ(SCIF1, 94), INTC_IRQ(SCIF1, 95),
39 	INTC_IRQ(SCIF2, 96), INTC_IRQ(SCIF2, 97),
40 	INTC_IRQ(SCIF2, 98), INTC_IRQ(SCIF2, 99),
41 	INTC_IRQ(HIF_HIFI, 100), INTC_IRQ(HIF_HIFBI, 101),
42 	INTC_IRQ(DMAC0, 104), INTC_IRQ(DMAC1, 105),
43 	INTC_IRQ(DMAC2, 106), INTC_IRQ(DMAC3, 107),
44 	INTC_IRQ(SIOF, 108),
45 };
46 
47 static struct intc_prio_reg prio_registers[] __initdata = {
48 	{ 0xf8140006, 0, 16, 4, /* IPRA */ { IRQ0, IRQ1, IRQ2, IRQ3 } },
49 	{ 0xf8140008, 0, 16, 4, /* IPRB */ { IRQ4, IRQ5, IRQ6, IRQ7 } },
50 	{ 0xf8080000, 0, 16, 4, /* IPRC */ { WDT, EDMAC, CMT0, CMT1 } },
51 	{ 0xf8080002, 0, 16, 4, /* IPRD */ { SCIF0, SCIF1, SCIF2 } },
52 	{ 0xf8080004, 0, 16, 4, /* IPRE */ { HIF_HIFI, HIF_HIFBI } },
53 	{ 0xf8080006, 0, 16, 4, /* IPRF */ { DMAC0, DMAC1, DMAC2, DMAC3 } },
54 	{ 0xf8080008, 0, 16, 4, /* IPRG */ { SIOF } },
55 };
56 
57 static DECLARE_INTC_DESC(intc_desc, "sh7619", vectors, NULL,
58 			 NULL, prio_registers, NULL);
59 
60 static struct plat_sci_port scif0_platform_data = {
61 	.scscr		= SCSCR_REIE,
62 	.type		= PORT_SCIF,
63 };
64 
65 static struct resource scif0_resources[] = {
66 	DEFINE_RES_MEM(0xf8400000, 0x100),
67 	DEFINE_RES_IRQ(88),
68 };
69 
70 static struct platform_device scif0_device = {
71 	.name		= "sh-sci",
72 	.id		= 0,
73 	.resource	= scif0_resources,
74 	.num_resources	= ARRAY_SIZE(scif0_resources),
75 	.dev		= {
76 		.platform_data	= &scif0_platform_data,
77 	},
78 };
79 
80 static struct plat_sci_port scif1_platform_data = {
81 	.scscr		= SCSCR_REIE,
82 	.type		= PORT_SCIF,
83 };
84 
85 static struct resource scif1_resources[] = {
86 	DEFINE_RES_MEM(0xf8410000, 0x100),
87 	DEFINE_RES_IRQ(92),
88 };
89 
90 static struct platform_device scif1_device = {
91 	.name		= "sh-sci",
92 	.id		= 1,
93 	.resource	= scif1_resources,
94 	.num_resources	= ARRAY_SIZE(scif1_resources),
95 	.dev		= {
96 		.platform_data	= &scif1_platform_data,
97 	},
98 };
99 
100 static struct plat_sci_port scif2_platform_data = {
101 	.scscr		= SCSCR_REIE,
102 	.type		= PORT_SCIF,
103 };
104 
105 static struct resource scif2_resources[] = {
106 	DEFINE_RES_MEM(0xf8420000, 0x100),
107 	DEFINE_RES_IRQ(96),
108 };
109 
110 static struct platform_device scif2_device = {
111 	.name		= "sh-sci",
112 	.id		= 2,
113 	.resource	= scif2_resources,
114 	.num_resources	= ARRAY_SIZE(scif2_resources),
115 	.dev		= {
116 		.platform_data	= &scif2_platform_data,
117 	},
118 };
119 
120 static struct sh_eth_plat_data eth_platform_data = {
121 	.phy		= 1,
122 	.phy_interface	= PHY_INTERFACE_MODE_MII,
123 };
124 
125 static struct resource eth_resources[] = {
126 	[0] = {
127 		.start = 0xfb000000,
128 		.end = 0xfb0001c7,
129 		.flags = IORESOURCE_MEM,
130 	},
131 	[1] = {
132 		.start = 85,
133 		.end = 85,
134 		.flags = IORESOURCE_IRQ,
135 	},
136 };
137 
138 static struct platform_device eth_device = {
139 	.name = "sh7619-ether",
140 	.id = -1,
141 	.dev = {
142 		.platform_data = &eth_platform_data,
143 	},
144 	.num_resources = ARRAY_SIZE(eth_resources),
145 	.resource = eth_resources,
146 };
147 
148 static struct sh_timer_config cmt_platform_data = {
149 	.channels_mask = 3,
150 };
151 
152 static struct resource cmt_resources[] = {
153 	DEFINE_RES_MEM(0xf84a0070, 0x10),
154 	DEFINE_RES_IRQ(86),
155 	DEFINE_RES_IRQ(87),
156 };
157 
158 static struct platform_device cmt_device = {
159 	.name		= "sh-cmt-16",
160 	.id		= 0,
161 	.dev = {
162 		.platform_data	= &cmt_platform_data,
163 	},
164 	.resource	= cmt_resources,
165 	.num_resources	= ARRAY_SIZE(cmt_resources),
166 };
167 
168 static struct platform_device *sh7619_devices[] __initdata = {
169 	&scif0_device,
170 	&scif1_device,
171 	&scif2_device,
172 	&eth_device,
173 	&cmt_device,
174 };
175 
176 static int __init sh7619_devices_setup(void)
177 {
178 	return platform_add_devices(sh7619_devices,
179 				    ARRAY_SIZE(sh7619_devices));
180 }
181 arch_initcall(sh7619_devices_setup);
182 
183 void __init plat_irq_setup(void)
184 {
185 	register_intc_controller(&intc_desc);
186 }
187 
188 static struct platform_device *sh7619_early_devices[] __initdata = {
189 	&scif0_device,
190 	&scif1_device,
191 	&scif2_device,
192 	&cmt_device,
193 };
194 
195 #define STBCR3 0xf80a0000
196 
197 void __init plat_early_device_setup(void)
198 {
199 	/* enable CMT clock */
200 	__raw_writeb(__raw_readb(STBCR3) & ~0x10, STBCR3);
201 
202 	early_platform_add_devices(sh7619_early_devices,
203 				   ARRAY_SIZE(sh7619_early_devices));
204 }
205