1 // SPDX-License-Identifier: GPL-2.0
2 /*
3  * Data Technology Inc. ESPT-GIGA board support
4  *
5  * Copyright (C) 2008, 2009 Renesas Solutions Corp.
6  * Copyright (C) 2008, 2009 Nobuhiro Iwamatsu <iwamatsu.nobuhiro@renesas.com>
7  */
8 #include <linux/init.h>
9 #include <linux/platform_device.h>
10 #include <linux/interrupt.h>
11 #include <linux/mtd/physmap.h>
12 #include <linux/io.h>
13 #include <linux/sh_eth.h>
14 #include <linux/sh_intc.h>
15 #include <asm/machvec.h>
16 #include <linux/sizes.h>
17 
18 /* NOR Flash */
19 static struct mtd_partition espt_nor_flash_partitions[] = {
20 	{
21 		.name = "U-Boot",
22 		.offset = 0,
23 		.size = (2 * SZ_128K),
24 		.mask_flags = MTD_WRITEABLE,	/* Read-only */
25 	}, {
26 		.name = "Linux-Kernel",
27 		.offset = MTDPART_OFS_APPEND,
28 		.size = (20 * SZ_128K),
29 	}, {
30 		.name = "Root Filesystem",
31 		.offset = MTDPART_OFS_APPEND,
32 		.size = MTDPART_SIZ_FULL,
33 	},
34 };
35 
36 static struct physmap_flash_data espt_nor_flash_data = {
37 	.width = 2,
38 	.parts = espt_nor_flash_partitions,
39 	.nr_parts = ARRAY_SIZE(espt_nor_flash_partitions),
40 };
41 
42 static struct resource espt_nor_flash_resources[] = {
43 	[0] = {
44 		.name = "NOR Flash",
45 		.start = 0,
46 		.end = SZ_8M - 1,
47 		.flags = IORESOURCE_MEM,
48 	},
49 };
50 
51 static struct platform_device espt_nor_flash_device = {
52 	.name = "physmap-flash",
53 	.resource = espt_nor_flash_resources,
54 	.num_resources = ARRAY_SIZE(espt_nor_flash_resources),
55 	.dev = {
56 		.platform_data = &espt_nor_flash_data,
57 	},
58 };
59 
60 /* SH-Ether */
61 static struct resource sh_eth_resources[] = {
62 	{
63 		.start  = 0xFEE00800,   /* use eth1 */
64 		.end    = 0xFEE00F7C - 1,
65 		.flags  = IORESOURCE_MEM,
66 	}, {
67 		.start  = 0xFEE01800,   /* TSU */
68 		.end    = 0xFEE01FFF,
69 		.flags  = IORESOURCE_MEM,
70 	}, {
71 
72 		.start  = evt2irq(0x920),   /* irq number */
73 		.flags  = IORESOURCE_IRQ,
74 	},
75 };
76 
77 static struct sh_eth_plat_data sh7763_eth_pdata = {
78 	.phy = 0,
79 	.phy_interface = PHY_INTERFACE_MODE_MII,
80 };
81 
82 static struct platform_device espt_eth_device = {
83 	.name       = "sh7763-gether",
84 	.resource   = sh_eth_resources,
85 	.num_resources  = ARRAY_SIZE(sh_eth_resources),
86 	.dev        = {
87 		.platform_data = &sh7763_eth_pdata,
88 	},
89 };
90 
91 static struct platform_device *espt_devices[] __initdata = {
92 	&espt_nor_flash_device,
93 	&espt_eth_device,
94 };
95 
espt_devices_setup(void)96 static int __init espt_devices_setup(void)
97 {
98 	return platform_add_devices(espt_devices,
99 				    ARRAY_SIZE(espt_devices));
100 }
101 device_initcall(espt_devices_setup);
102 
103 static struct sh_machine_vector mv_espt __initmv = {
104 	.mv_name = "ESPT-GIGA",
105 };
106