1/*
2 * This file is subject to the terms and conditions of the GNU General Public
3 * License.  See the file "COPYING" in the main directory of this archive
4 * for more details.
5 *
6 * Copyright (C) 2012 MIPS Technologies, Inc.  All rights reserved.
7 */
8#include <linux/dma-mapping.h>
9#include <linux/init.h>
10#include <linux/irq.h>
11#include <linux/irqchip/mips-gic.h>
12#include <linux/leds.h>
13#include <linux/mtd/physmap.h>
14#include <linux/platform_device.h>
15#include <linux/serial_8250.h>
16#include <linux/smsc911x.h>
17
18#include <asm/mips-boards/sead3int.h>
19
20#define UART(base)							\
21{									\
22	.mapbase	= base,						\
23	.irq		= -1,						\
24	.uartclk	= 14745600,					\
25	.iotype		= UPIO_MEM32,					\
26	.flags		= UPF_BOOT_AUTOCONF | UPF_SKIP_TEST | UPF_IOREMAP, \
27	.regshift	= 2,						\
28}
29
30static struct plat_serial8250_port uart8250_data[] = {
31	UART(0x1f000900),   /* ttyS0 = USB   */
32	UART(0x1f000800),   /* ttyS1 = RS232 */
33	{ },
34};
35
36static struct platform_device uart8250_device = {
37	.name			= "serial8250",
38	.id			= PLAT8250_DEV_PLATFORM2,
39	.dev			= {
40		.platform_data	= uart8250_data,
41	},
42};
43
44static struct smsc911x_platform_config sead3_smsc911x_data = {
45	.irq_polarity	= SMSC911X_IRQ_POLARITY_ACTIVE_LOW,
46	.irq_type	= SMSC911X_IRQ_TYPE_PUSH_PULL,
47	.flags		= SMSC911X_USE_32BIT | SMSC911X_SAVE_MAC_ADDRESS,
48	.phy_interface	= PHY_INTERFACE_MODE_MII,
49};
50
51static struct resource sead3_net_resources[] = {
52	{
53		.start			= 0x1f010000,
54		.end			= 0x1f01ffff,
55		.flags			= IORESOURCE_MEM
56	}, {
57		.flags			= IORESOURCE_IRQ
58	}
59};
60
61static struct platform_device sead3_net_device = {
62	.name			= "smsc911x",
63	.id			= 0,
64	.dev			= {
65		.platform_data	= &sead3_smsc911x_data,
66	},
67	.num_resources		= ARRAY_SIZE(sead3_net_resources),
68	.resource		= sead3_net_resources
69};
70
71static struct mtd_partition sead3_mtd_partitions[] = {
72	{
73		.name =		"User FS",
74		.offset =	0x00000000,
75		.size =		0x01fc0000,
76	}, {
77		.name =		"Board Config",
78		.offset =	0x01fc0000,
79		.size =		0x00040000,
80		.mask_flags =	MTD_WRITEABLE
81	},
82};
83
84static struct physmap_flash_data sead3_flash_data = {
85	.width		= 4,
86	.nr_parts	= ARRAY_SIZE(sead3_mtd_partitions),
87	.parts		= sead3_mtd_partitions
88};
89
90static struct resource sead3_flash_resource = {
91	.start		= 0x1c000000,
92	.end		= 0x1dffffff,
93	.flags		= IORESOURCE_MEM
94};
95
96static struct platform_device sead3_flash = {
97	.name		= "physmap-flash",
98	.id		= 0,
99	.dev		= {
100		.platform_data	= &sead3_flash_data,
101	},
102	.num_resources	= 1,
103	.resource	= &sead3_flash_resource,
104};
105
106#define LEDFLAGS(bits, shift)		\
107	((bits << 8) | (shift << 8))
108
109#define LEDBITS(id, shift, bits)	\
110	.name = id #shift,		\
111	.flags = LEDFLAGS(bits, shift)
112
113static struct led_info led_data_info[] = {
114	{ LEDBITS("bit", 0, 1) },
115	{ LEDBITS("bit", 1, 1) },
116	{ LEDBITS("bit", 2, 1) },
117	{ LEDBITS("bit", 3, 1) },
118	{ LEDBITS("bit", 4, 1) },
119	{ LEDBITS("bit", 5, 1) },
120	{ LEDBITS("bit", 6, 1) },
121	{ LEDBITS("bit", 7, 1) },
122	{ LEDBITS("all", 0, 8) },
123};
124
125static struct led_platform_data led_data = {
126	.num_leds	= ARRAY_SIZE(led_data_info),
127	.leds		= led_data_info
128};
129
130static struct resource pled_resources[] = {
131	{
132		.start	= 0x1f000210,
133		.end	= 0x1f000217,
134		.flags	= IORESOURCE_MEM
135	}
136};
137
138static struct platform_device pled_device = {
139	.name			= "sead3::pled",
140	.id			= 0,
141	.dev			= {
142		.platform_data	= &led_data,
143	},
144	.num_resources		= ARRAY_SIZE(pled_resources),
145	.resource		= pled_resources
146};
147
148
149static struct resource fled_resources[] = {
150	{
151		.start			= 0x1f000218,
152		.end			= 0x1f00021f,
153		.flags			= IORESOURCE_MEM
154	}
155};
156
157static struct platform_device fled_device = {
158	.name			= "sead3::fled",
159	.id			= 0,
160	.dev			= {
161		.platform_data	= &led_data,
162	},
163	.num_resources		= ARRAY_SIZE(fled_resources),
164	.resource		= fled_resources
165};
166
167static struct platform_device sead3_led_device = {
168        .name   = "sead3-led",
169        .id     = -1,
170};
171
172static struct resource ehci_resources[] = {
173	{
174		.start			= 0x1b200000,
175		.end			= 0x1b200fff,
176		.flags			= IORESOURCE_MEM
177	}, {
178		.flags			= IORESOURCE_IRQ
179	}
180};
181
182static u64 sead3_usbdev_dma_mask = DMA_BIT_MASK(32);
183
184static struct platform_device ehci_device = {
185	.name		= "sead3-ehci",
186	.id		= 0,
187	.dev		= {
188		.dma_mask		= &sead3_usbdev_dma_mask,
189		.coherent_dma_mask	= DMA_BIT_MASK(32)
190	},
191	.num_resources	= ARRAY_SIZE(ehci_resources),
192	.resource	= ehci_resources
193};
194
195static struct platform_device *sead3_platform_devices[] __initdata = {
196	&uart8250_device,
197	&sead3_flash,
198	&pled_device,
199	&fled_device,
200	&sead3_led_device,
201	&ehci_device,
202	&sead3_net_device,
203};
204
205static int __init sead3_platforms_device_init(void)
206{
207	if (gic_present) {
208		uart8250_data[0].irq = MIPS_GIC_IRQ_BASE + GIC_INT_UART0;
209		uart8250_data[1].irq = MIPS_GIC_IRQ_BASE + GIC_INT_UART1;
210		ehci_resources[1].start = MIPS_GIC_IRQ_BASE + GIC_INT_EHCI;
211		sead3_net_resources[1].start = MIPS_GIC_IRQ_BASE + GIC_INT_NET;
212	} else {
213		uart8250_data[0].irq = MIPS_CPU_IRQ_BASE + CPU_INT_UART0;
214		uart8250_data[1].irq = MIPS_CPU_IRQ_BASE + CPU_INT_UART1;
215		ehci_resources[1].start = MIPS_CPU_IRQ_BASE + CPU_INT_EHCI;
216		sead3_net_resources[1].start = MIPS_CPU_IRQ_BASE + CPU_INT_NET;
217	}
218
219	return platform_add_devices(sead3_platform_devices,
220				    ARRAY_SIZE(sead3_platform_devices));
221}
222
223device_initcall(sead3_platforms_device_init);
224