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 */
32static 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
53static 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
59static 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
68static 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 */
78static struct sh7760_i2c_platdata i2c_pd = {
79	.speed_khz	= 400,
80};
81
82static 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
94static 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
105static 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
117static 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 */
128static struct smc91x_platdata smc91x_info = {
129	.flags = SMC91X_USE_16BIT | SMC91X_IO_SHIFT_1 | IORESOURCE_IRQ_LOWLEVEL,
130};
131
132static 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
145static 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 */
157static struct platform_device *edosk7760_devices[] __initdata = {
158	&smc91x_dev,
159	&edosk7760_nor_flash_device,
160	&sh7760_i2c0_dev,
161	&sh7760_i2c1_dev,
162};
163
164static 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}
171device_initcall(init_edosk7760_devices);
172
173/*
174 * The Machine Vector
175 */
176struct sh_machine_vector mv_edosk7760 __initmv = {
177	.mv_name	= "EDOSK7760",
178};
179