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
30 static struct plat_serial8250_port uart8250_data[] = {
31 UART(0x1f000900), /* ttyS0 = USB */
32 UART(0x1f000800), /* ttyS1 = RS232 */
33 { },
34 };
35
36 static struct platform_device uart8250_device = {
37 .name = "serial8250",
38 .id = PLAT8250_DEV_PLATFORM2,
39 .dev = {
40 .platform_data = uart8250_data,
41 },
42 };
43
44 static 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
51 static struct resource sead3_net_resources[] = {
52 {
53 .start = 0x1f010000,
54 .end = 0x1f01ffff,
55 .flags = IORESOURCE_MEM
56 }, {
57 .flags = IORESOURCE_IRQ
58 }
59 };
60
61 static 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
71 static 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
84 static 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
90 static struct resource sead3_flash_resource = {
91 .start = 0x1c000000,
92 .end = 0x1dffffff,
93 .flags = IORESOURCE_MEM
94 };
95
96 static 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
113 static 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
125 static struct led_platform_data led_data = {
126 .num_leds = ARRAY_SIZE(led_data_info),
127 .leds = led_data_info
128 };
129
130 static struct resource pled_resources[] = {
131 {
132 .start = 0x1f000210,
133 .end = 0x1f000217,
134 .flags = IORESOURCE_MEM
135 }
136 };
137
138 static 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
149 static struct resource fled_resources[] = {
150 {
151 .start = 0x1f000218,
152 .end = 0x1f00021f,
153 .flags = IORESOURCE_MEM
154 }
155 };
156
157 static 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
167 static struct platform_device sead3_led_device = {
168 .name = "sead3-led",
169 .id = -1,
170 };
171
172 static struct resource ehci_resources[] = {
173 {
174 .start = 0x1b200000,
175 .end = 0x1b200fff,
176 .flags = IORESOURCE_MEM
177 }, {
178 .flags = IORESOURCE_IRQ
179 }
180 };
181
182 static u64 sead3_usbdev_dma_mask = DMA_BIT_MASK(32);
183
184 static 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
195 static 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
sead3_platforms_device_init(void)205 static 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
223 device_initcall(sead3_platforms_device_init);
224