1 // SPDX-License-Identifier: GPL-2.0-only
2 /*
3 * arch/arm/mach-ixp4xx/omixp-setup.c
4 *
5 * omicron ixp4xx board setup
6 * Copyright (C) 2009 OMICRON electronics GmbH
7 *
8 * based nslu2-setup.c, ixdp425-setup.c:
9 * Copyright (C) 2003-2004 MontaVista Software, Inc.
10 */
11
12 #include <linux/kernel.h>
13 #include <linux/serial.h>
14 #include <linux/serial_8250.h>
15 #include <linux/mtd/mtd.h>
16 #include <linux/mtd/partitions.h>
17 #include <linux/leds.h>
18
19 #include <asm/setup.h>
20 #include <asm/memory.h>
21 #include <asm/mach-types.h>
22 #include <asm/mach/arch.h>
23 #include <asm/mach/flash.h>
24
25 #include <mach/hardware.h>
26
27 #include "irqs.h"
28
29 static struct resource omixp_flash_resources[] = {
30 {
31 .flags = IORESOURCE_MEM,
32 }, {
33 .flags = IORESOURCE_MEM,
34 },
35 };
36
37 static struct mtd_partition omixp_partitions[] = {
38 {
39 .name = "Recovery Bootloader",
40 .size = 0x00020000,
41 .offset = 0,
42 }, {
43 .name = "Calibration Data",
44 .size = 0x00020000,
45 .offset = 0x00020000,
46 }, {
47 .name = "Recovery FPGA",
48 .size = 0x00020000,
49 .offset = 0x00040000,
50 }, {
51 .name = "Release Bootloader",
52 .size = 0x00020000,
53 .offset = 0x00060000,
54 }, {
55 .name = "Release FPGA",
56 .size = 0x00020000,
57 .offset = 0x00080000,
58 }, {
59 .name = "Kernel",
60 .size = 0x00160000,
61 .offset = 0x000a0000,
62 }, {
63 .name = "Filesystem",
64 .size = 0x00C00000,
65 .offset = 0x00200000,
66 }, {
67 .name = "Persistent Storage",
68 .size = 0x00200000,
69 .offset = 0x00E00000,
70 },
71 };
72
73 static struct flash_platform_data omixp_flash_data[] = {
74 {
75 .map_name = "cfi_probe",
76 .parts = omixp_partitions,
77 .nr_parts = ARRAY_SIZE(omixp_partitions),
78 }, {
79 .map_name = "cfi_probe",
80 .parts = NULL,
81 .nr_parts = 0,
82 },
83 };
84
85 static struct platform_device omixp_flash_device[] = {
86 {
87 .name = "IXP4XX-Flash",
88 .id = 0,
89 .dev = {
90 .platform_data = &omixp_flash_data[0],
91 },
92 .resource = &omixp_flash_resources[0],
93 .num_resources = 1,
94 }, {
95 .name = "IXP4XX-Flash",
96 .id = 1,
97 .dev = {
98 .platform_data = &omixp_flash_data[1],
99 },
100 .resource = &omixp_flash_resources[1],
101 .num_resources = 1,
102 },
103 };
104
105 /* Swap UART's - These boards have the console on UART2. The following
106 * configuration is used:
107 * ttyS0 .. UART2
108 * ttyS1 .. UART1
109 * This way standard images can be used with the kernel that expect
110 * the console on ttyS0.
111 */
112 static struct resource omixp_uart_resources[] = {
113 {
114 .start = IXP4XX_UART2_BASE_PHYS,
115 .end = IXP4XX_UART2_BASE_PHYS + 0x0fff,
116 .flags = IORESOURCE_MEM,
117 }, {
118 .start = IXP4XX_UART1_BASE_PHYS,
119 .end = IXP4XX_UART1_BASE_PHYS + 0x0fff,
120 .flags = IORESOURCE_MEM,
121 },
122 };
123
124 static struct plat_serial8250_port omixp_uart_data[] = {
125 {
126 .mapbase = IXP4XX_UART2_BASE_PHYS,
127 .membase = (char *)IXP4XX_UART2_BASE_VIRT + REG_OFFSET,
128 .irq = IRQ_IXP4XX_UART2,
129 .flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST,
130 .iotype = UPIO_MEM,
131 .regshift = 2,
132 .uartclk = IXP4XX_UART_XTAL,
133 }, {
134 .mapbase = IXP4XX_UART1_BASE_PHYS,
135 .membase = (char *)IXP4XX_UART1_BASE_VIRT + REG_OFFSET,
136 .irq = IRQ_IXP4XX_UART1,
137 .flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST,
138 .iotype = UPIO_MEM,
139 .regshift = 2,
140 .uartclk = IXP4XX_UART_XTAL,
141 }, {
142 /* list termination */
143 }
144 };
145
146 static struct platform_device omixp_uart = {
147 .name = "serial8250",
148 .id = PLAT8250_DEV_PLATFORM,
149 .dev.platform_data = omixp_uart_data,
150 .num_resources = 2,
151 .resource = omixp_uart_resources,
152 };
153
154 static struct gpio_led mic256_led_pins[] = {
155 {
156 .name = "LED-A",
157 .gpio = 7,
158 },
159 };
160
161 static struct gpio_led_platform_data mic256_led_data = {
162 .num_leds = ARRAY_SIZE(mic256_led_pins),
163 .leds = mic256_led_pins,
164 };
165
166 static struct platform_device mic256_leds = {
167 .name = "leds-gpio",
168 .id = -1,
169 .dev.platform_data = &mic256_led_data,
170 };
171
172 /* Built-in 10/100 Ethernet MAC interfaces */
173 static struct resource ixp425_npeb_resources[] = {
174 {
175 .start = IXP4XX_EthB_BASE_PHYS,
176 .end = IXP4XX_EthB_BASE_PHYS + 0x0fff,
177 .flags = IORESOURCE_MEM,
178 },
179 };
180
181 static struct resource ixp425_npec_resources[] = {
182 {
183 .start = IXP4XX_EthC_BASE_PHYS,
184 .end = IXP4XX_EthC_BASE_PHYS + 0x0fff,
185 .flags = IORESOURCE_MEM,
186 },
187 };
188
189 static struct eth_plat_info ixdp425_plat_eth[] = {
190 {
191 .phy = 0,
192 .rxq = 3,
193 .txreadyq = 20,
194 }, {
195 .phy = 1,
196 .rxq = 4,
197 .txreadyq = 21,
198 },
199 };
200
201 static struct platform_device ixdp425_eth[] = {
202 {
203 .name = "ixp4xx_eth",
204 .id = IXP4XX_ETH_NPEB,
205 .dev.platform_data = ixdp425_plat_eth,
206 .num_resources = ARRAY_SIZE(ixp425_npeb_resources),
207 .resource = ixp425_npeb_resources,
208 }, {
209 .name = "ixp4xx_eth",
210 .id = IXP4XX_ETH_NPEC,
211 .dev.platform_data = ixdp425_plat_eth + 1,
212 .num_resources = ARRAY_SIZE(ixp425_npec_resources),
213 .resource = ixp425_npec_resources,
214 },
215 };
216
217
218 static struct platform_device *devixp_pldev[] __initdata = {
219 &omixp_uart,
220 &omixp_flash_device[0],
221 &ixdp425_eth[0],
222 &ixdp425_eth[1],
223 };
224
225 static struct platform_device *mic256_pldev[] __initdata = {
226 &omixp_uart,
227 &omixp_flash_device[0],
228 &mic256_leds,
229 &ixdp425_eth[0],
230 &ixdp425_eth[1],
231 };
232
233 static struct platform_device *miccpt_pldev[] __initdata = {
234 &omixp_uart,
235 &omixp_flash_device[0],
236 &omixp_flash_device[1],
237 &ixdp425_eth[0],
238 &ixdp425_eth[1],
239 };
240
omixp_init(void)241 static void __init omixp_init(void)
242 {
243 ixp4xx_sys_init();
244
245 /* 16MiB Boot Flash */
246 omixp_flash_resources[0].start = IXP4XX_EXP_BUS_BASE(0);
247 omixp_flash_resources[0].end = IXP4XX_EXP_BUS_END(0);
248
249 /* 32 MiB Data Flash */
250 omixp_flash_resources[1].start = IXP4XX_EXP_BUS_BASE(2);
251 omixp_flash_resources[1].end = IXP4XX_EXP_BUS_END(2);
252
253 if (machine_is_devixp())
254 platform_add_devices(devixp_pldev, ARRAY_SIZE(devixp_pldev));
255 else if (machine_is_miccpt())
256 platform_add_devices(miccpt_pldev, ARRAY_SIZE(miccpt_pldev));
257 else if (machine_is_mic256())
258 platform_add_devices(mic256_pldev, ARRAY_SIZE(mic256_pldev));
259 }
260
261 #ifdef CONFIG_MACH_DEVIXP
262 MACHINE_START(DEVIXP, "Omicron DEVIXP")
263 .atag_offset = 0x100,
264 .map_io = ixp4xx_map_io,
265 .init_early = ixp4xx_init_early,
266 .init_irq = ixp4xx_init_irq,
267 .init_time = ixp4xx_timer_init,
268 .init_machine = omixp_init,
269 .restart = ixp4xx_restart,
270 MACHINE_END
271 #endif
272
273 #ifdef CONFIG_MACH_MICCPT
274 MACHINE_START(MICCPT, "Omicron MICCPT")
275 .atag_offset = 0x100,
276 .map_io = ixp4xx_map_io,
277 .init_early = ixp4xx_init_early,
278 .init_irq = ixp4xx_init_irq,
279 .init_time = ixp4xx_timer_init,
280 .init_machine = omixp_init,
281 #if defined(CONFIG_PCI)
282 .dma_zone_size = SZ_64M,
283 #endif
284 .restart = ixp4xx_restart,
285 MACHINE_END
286 #endif
287
288 #ifdef CONFIG_MACH_MIC256
289 MACHINE_START(MIC256, "Omicron MIC256")
290 .atag_offset = 0x100,
291 .map_io = ixp4xx_map_io,
292 .init_early = ixp4xx_init_early,
293 .init_irq = ixp4xx_init_irq,
294 .init_time = ixp4xx_timer_init,
295 .init_machine = omixp_init,
296 .restart = ixp4xx_restart,
297 MACHINE_END
298 #endif
299