1 // SPDX-License-Identifier: GPL-2.0+
2 /*
3 * Renesas Europe EDOSK7760 Board Support
4 *
5 * Copyright (C) 2008 SPES Societa' Progettazione Elettronica e Software Ltd.
6 * Author: Luca Santini <luca.santini@spesonline.com>
7 */
8 #include <linux/init.h>
9 #include <linux/types.h>
10 #include <linux/platform_device.h>
11 #include <linux/smc91x.h>
12 #include <linux/interrupt.h>
13 #include <linux/sh_intc.h>
14 #include <linux/i2c.h>
15 #include <linux/mtd/physmap.h>
16 #include <asm/machvec.h>
17 #include <asm/io.h>
18 #include <asm/addrspace.h>
19 #include <asm/delay.h>
20 #include <asm/i2c-sh7760.h>
21 #include <linux/sizes.h>
22
23 /* Bus state controller registers for CS4 area */
24 #define BSC_CS4BCR 0xA4FD0010
25 #define BSC_CS4WCR 0xA4FD0030
26
27 #define SMC_IOBASE 0xA2000000
28 #define SMC_IO_OFFSET 0x300
29 #define SMC_IOADDR (SMC_IOBASE + SMC_IO_OFFSET)
30
31 /* NOR flash */
32 static struct mtd_partition edosk7760_nor_flash_partitions[] = {
33 {
34 .name = "bootloader",
35 .offset = 0,
36 .size = SZ_256K,
37 .mask_flags = MTD_WRITEABLE, /* Read-only */
38 }, {
39 .name = "kernel",
40 .offset = MTDPART_OFS_APPEND,
41 .size = SZ_2M,
42 }, {
43 .name = "fs",
44 .offset = MTDPART_OFS_APPEND,
45 .size = (26 << 20),
46 }, {
47 .name = "other",
48 .offset = MTDPART_OFS_APPEND,
49 .size = MTDPART_SIZ_FULL,
50 },
51 };
52
53 static struct physmap_flash_data edosk7760_nor_flash_data = {
54 .width = 4,
55 .parts = edosk7760_nor_flash_partitions,
56 .nr_parts = ARRAY_SIZE(edosk7760_nor_flash_partitions),
57 };
58
59 static struct resource edosk7760_nor_flash_resources[] = {
60 [0] = {
61 .name = "NOR Flash",
62 .start = 0x00000000,
63 .end = 0x00000000 + SZ_32M - 1,
64 .flags = IORESOURCE_MEM,
65 }
66 };
67
68 static struct platform_device edosk7760_nor_flash_device = {
69 .name = "physmap-flash",
70 .resource = edosk7760_nor_flash_resources,
71 .num_resources = ARRAY_SIZE(edosk7760_nor_flash_resources),
72 .dev = {
73 .platform_data = &edosk7760_nor_flash_data,
74 },
75 };
76
77 /* i2c initialization functions */
78 static struct sh7760_i2c_platdata i2c_pd = {
79 .speed_khz = 400,
80 };
81
82 static struct resource sh7760_i2c1_res[] = {
83 {
84 .start = SH7760_I2C1_MMIO,
85 .end = SH7760_I2C1_MMIOEND,
86 .flags = IORESOURCE_MEM,
87 },{
88 .start = evt2irq(0x9e0),
89 .end = evt2irq(0x9e0),
90 .flags = IORESOURCE_IRQ,
91 },
92 };
93
94 static struct platform_device sh7760_i2c1_dev = {
95 .dev = {
96 .platform_data = &i2c_pd,
97 },
98
99 .name = SH7760_I2C_DEVNAME,
100 .id = 1,
101 .resource = sh7760_i2c1_res,
102 .num_resources = ARRAY_SIZE(sh7760_i2c1_res),
103 };
104
105 static struct resource sh7760_i2c0_res[] = {
106 {
107 .start = SH7760_I2C0_MMIO,
108 .end = SH7760_I2C0_MMIOEND,
109 .flags = IORESOURCE_MEM,
110 }, {
111 .start = evt2irq(0x9c0),
112 .end = evt2irq(0x9c0),
113 .flags = IORESOURCE_IRQ,
114 },
115 };
116
117 static struct platform_device sh7760_i2c0_dev = {
118 .dev = {
119 .platform_data = &i2c_pd,
120 },
121 .name = SH7760_I2C_DEVNAME,
122 .id = 0,
123 .resource = sh7760_i2c0_res,
124 .num_resources = ARRAY_SIZE(sh7760_i2c0_res),
125 };
126
127 /* eth initialization functions */
128 static struct smc91x_platdata smc91x_info = {
129 .flags = SMC91X_USE_16BIT | SMC91X_IO_SHIFT_1 | IORESOURCE_IRQ_LOWLEVEL,
130 };
131
132 static struct resource smc91x_res[] = {
133 [0] = {
134 .start = SMC_IOADDR,
135 .end = SMC_IOADDR + SZ_32 - 1,
136 .flags = IORESOURCE_MEM,
137 },
138 [1] = {
139 .start = evt2irq(0x2a0),
140 .end = evt2irq(0x2a0),
141 .flags = IORESOURCE_IRQ ,
142 }
143 };
144
145 static struct platform_device smc91x_dev = {
146 .name = "smc91x",
147 .id = -1,
148 .num_resources = ARRAY_SIZE(smc91x_res),
149 .resource = smc91x_res,
150
151 .dev = {
152 .platform_data = &smc91x_info,
153 },
154 };
155
156 /* platform init code */
157 static struct platform_device *edosk7760_devices[] __initdata = {
158 &smc91x_dev,
159 &edosk7760_nor_flash_device,
160 &sh7760_i2c0_dev,
161 &sh7760_i2c1_dev,
162 };
163
164 static int __init init_edosk7760_devices(void)
165 {
166 plat_irq_setup_pins(IRQ_MODE_IRQ);
167
168 return platform_add_devices(edosk7760_devices,
169 ARRAY_SIZE(edosk7760_devices));
170 }
171 device_initcall(init_edosk7760_devices);
172
173 /*
174 * The Machine Vector
175 */
176 struct sh_machine_vector mv_edosk7760 __initmv = {
177 .mv_name = "EDOSK7760",
178 };
179
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