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e448b12c | 1 | /* |
9dd0b194 | 2 | * arch/arm/mach-orion5x/db88f5281-setup.c |
e448b12c TP |
3 | * |
4 | * Marvell Orion-2 Development Board Setup | |
5 | * | |
6 | * Maintainer: Tzachi Perelstein <tzachi@marvell.com> | |
7 | * | |
159ffb3a LB |
8 | * This file is licensed under the terms of the GNU General Public |
9 | * License version 2. This program is licensed "as is" without any | |
e448b12c TP |
10 | * warranty of any kind, whether express or implied. |
11 | */ | |
2f8163ba | 12 | #include <linux/gpio.h> |
e448b12c TP |
13 | #include <linux/kernel.h> |
14 | #include <linux/init.h> | |
15 | #include <linux/platform_device.h> | |
16 | #include <linux/pci.h> | |
17 | #include <linux/irq.h> | |
18 | #include <linux/mtd/physmap.h> | |
19 | #include <linux/mtd/nand.h> | |
20 | #include <linux/timer.h> | |
21 | #include <linux/mv643xx_eth.h> | |
22 | #include <linux/i2c.h> | |
23 | #include <asm/mach-types.h> | |
e448b12c TP |
24 | #include <asm/mach/arch.h> |
25 | #include <asm/mach/pci.h> | |
a09e64fb | 26 | #include <mach/orion5x.h> |
c02cecb9 | 27 | #include <linux/platform_data/mtd-orion_nand.h> |
e448b12c | 28 | #include "common.h" |
19cfd5c0 | 29 | #include "mpp.h" |
e448b12c TP |
30 | |
31 | /***************************************************************************** | |
32 | * DB-88F5281 on board devices | |
33 | ****************************************************************************/ | |
34 | ||
35 | /* | |
36 | * 512K NOR flash Device bus boot chip select | |
37 | */ | |
38 | ||
39 | #define DB88F5281_NOR_BOOT_BASE 0xf4000000 | |
40 | #define DB88F5281_NOR_BOOT_SIZE SZ_512K | |
41 | ||
42 | /* | |
43 | * 7-Segment on Device bus chip select 0 | |
44 | */ | |
45 | ||
46 | #define DB88F5281_7SEG_BASE 0xfa000000 | |
47 | #define DB88F5281_7SEG_SIZE SZ_1K | |
48 | ||
49 | /* | |
50 | * 32M NOR flash on Device bus chip select 1 | |
51 | */ | |
52 | ||
53 | #define DB88F5281_NOR_BASE 0xfc000000 | |
54 | #define DB88F5281_NOR_SIZE SZ_32M | |
55 | ||
56 | /* | |
57 | * 32M NAND flash on Device bus chip select 2 | |
58 | */ | |
59 | ||
60 | #define DB88F5281_NAND_BASE 0xfa800000 | |
61 | #define DB88F5281_NAND_SIZE SZ_1K | |
62 | ||
63 | /* | |
64 | * PCI | |
65 | */ | |
66 | ||
67 | #define DB88F5281_PCI_SLOT0_OFFS 7 | |
68 | #define DB88F5281_PCI_SLOT0_IRQ_PIN 12 | |
69 | #define DB88F5281_PCI_SLOT1_SLOT2_IRQ_PIN 13 | |
70 | ||
71 | /***************************************************************************** | |
72 | * 512M NOR Flash on Device bus Boot CS | |
73 | ****************************************************************************/ | |
74 | ||
75 | static struct physmap_flash_data db88f5281_boot_flash_data = { | |
76 | .width = 1, /* 8 bit bus width */ | |
77 | }; | |
78 | ||
79 | static struct resource db88f5281_boot_flash_resource = { | |
80 | .flags = IORESOURCE_MEM, | |
81 | .start = DB88F5281_NOR_BOOT_BASE, | |
82 | .end = DB88F5281_NOR_BOOT_BASE + DB88F5281_NOR_BOOT_SIZE - 1, | |
83 | }; | |
84 | ||
85 | static struct platform_device db88f5281_boot_flash = { | |
86 | .name = "physmap-flash", | |
87 | .id = 0, | |
88 | .dev = { | |
e7068ad3 | 89 | .platform_data = &db88f5281_boot_flash_data, |
e448b12c TP |
90 | }, |
91 | .num_resources = 1, | |
92 | .resource = &db88f5281_boot_flash_resource, | |
93 | }; | |
94 | ||
95 | /***************************************************************************** | |
96 | * 32M NOR Flash on Device bus CS1 | |
97 | ****************************************************************************/ | |
98 | ||
99 | static struct physmap_flash_data db88f5281_nor_flash_data = { | |
100 | .width = 4, /* 32 bit bus width */ | |
101 | }; | |
102 | ||
103 | static struct resource db88f5281_nor_flash_resource = { | |
104 | .flags = IORESOURCE_MEM, | |
105 | .start = DB88F5281_NOR_BASE, | |
106 | .end = DB88F5281_NOR_BASE + DB88F5281_NOR_SIZE - 1, | |
107 | }; | |
108 | ||
109 | static struct platform_device db88f5281_nor_flash = { | |
110 | .name = "physmap-flash", | |
111 | .id = 1, | |
112 | .dev = { | |
e7068ad3 | 113 | .platform_data = &db88f5281_nor_flash_data, |
e448b12c TP |
114 | }, |
115 | .num_resources = 1, | |
116 | .resource = &db88f5281_nor_flash_resource, | |
117 | }; | |
118 | ||
119 | /***************************************************************************** | |
120 | * 32M NAND Flash on Device bus CS2 | |
121 | ****************************************************************************/ | |
122 | ||
123 | static struct mtd_partition db88f5281_nand_parts[] = { | |
124 | { | |
125 | .name = "kernel", | |
126 | .offset = 0, | |
127 | .size = SZ_2M, | |
e7068ad3 | 128 | }, { |
e448b12c TP |
129 | .name = "root", |
130 | .offset = SZ_2M, | |
131 | .size = (SZ_16M - SZ_2M), | |
e7068ad3 | 132 | }, { |
e448b12c TP |
133 | .name = "user", |
134 | .offset = SZ_16M, | |
135 | .size = SZ_8M, | |
e7068ad3 | 136 | }, { |
e448b12c TP |
137 | .name = "recovery", |
138 | .offset = (SZ_16M + SZ_8M), | |
139 | .size = SZ_8M, | |
140 | }, | |
141 | }; | |
142 | ||
143 | static struct resource db88f5281_nand_resource = { | |
144 | .flags = IORESOURCE_MEM, | |
145 | .start = DB88F5281_NAND_BASE, | |
146 | .end = DB88F5281_NAND_BASE + DB88F5281_NAND_SIZE - 1, | |
147 | }; | |
148 | ||
149 | static struct orion_nand_data db88f5281_nand_data = { | |
150 | .parts = db88f5281_nand_parts, | |
151 | .nr_parts = ARRAY_SIZE(db88f5281_nand_parts), | |
152 | .cle = 0, | |
153 | .ale = 1, | |
154 | .width = 8, | |
155 | }; | |
156 | ||
157 | static struct platform_device db88f5281_nand_flash = { | |
158 | .name = "orion_nand", | |
159 | .id = -1, | |
160 | .dev = { | |
161 | .platform_data = &db88f5281_nand_data, | |
162 | }, | |
163 | .resource = &db88f5281_nand_resource, | |
164 | .num_resources = 1, | |
165 | }; | |
166 | ||
167 | /***************************************************************************** | |
168 | * 7-Segment on Device bus CS0 | |
169 | * Dummy counter every 2 sec | |
170 | ****************************************************************************/ | |
171 | ||
172 | static void __iomem *db88f5281_7seg; | |
173 | static struct timer_list db88f5281_timer; | |
174 | ||
175 | static void db88f5281_7seg_event(unsigned long data) | |
176 | { | |
177 | static int count = 0; | |
178 | writel(0, db88f5281_7seg + (count << 4)); | |
179 | count = (count + 1) & 7; | |
180 | mod_timer(&db88f5281_timer, jiffies + 2 * HZ); | |
181 | } | |
182 | ||
183 | static int __init db88f5281_7seg_init(void) | |
184 | { | |
185 | if (machine_is_db88f5281()) { | |
186 | db88f5281_7seg = ioremap(DB88F5281_7SEG_BASE, | |
187 | DB88F5281_7SEG_SIZE); | |
188 | if (!db88f5281_7seg) { | |
189 | printk(KERN_ERR "Failed to ioremap db88f5281_7seg\n"); | |
190 | return -EIO; | |
191 | } | |
192 | setup_timer(&db88f5281_timer, db88f5281_7seg_event, 0); | |
193 | mod_timer(&db88f5281_timer, jiffies + 2 * HZ); | |
194 | } | |
195 | ||
196 | return 0; | |
197 | } | |
198 | ||
199 | __initcall(db88f5281_7seg_init); | |
200 | ||
201 | /***************************************************************************** | |
202 | * PCI | |
203 | ****************************************************************************/ | |
204 | ||
205 | void __init db88f5281_pci_preinit(void) | |
206 | { | |
207 | int pin; | |
208 | ||
209 | /* | |
210 | * Configure PCI GPIO IRQ pins | |
211 | */ | |
212 | pin = DB88F5281_PCI_SLOT0_IRQ_PIN; | |
213 | if (gpio_request(pin, "PCI Int1") == 0) { | |
214 | if (gpio_direction_input(pin) == 0) { | |
6845664a | 215 | irq_set_irq_type(gpio_to_irq(pin), IRQ_TYPE_LEVEL_LOW); |
e448b12c | 216 | } else { |
f8fcf53b | 217 | printk(KERN_ERR "db88f5281_pci_preinit failed to " |
e448b12c TP |
218 | "set_irq_type pin %d\n", pin); |
219 | gpio_free(pin); | |
220 | } | |
221 | } else { | |
222 | printk(KERN_ERR "db88f5281_pci_preinit failed to gpio_request %d\n", pin); | |
223 | } | |
224 | ||
225 | pin = DB88F5281_PCI_SLOT1_SLOT2_IRQ_PIN; | |
226 | if (gpio_request(pin, "PCI Int2") == 0) { | |
227 | if (gpio_direction_input(pin) == 0) { | |
6845664a | 228 | irq_set_irq_type(gpio_to_irq(pin), IRQ_TYPE_LEVEL_LOW); |
e448b12c | 229 | } else { |
f8fcf53b | 230 | printk(KERN_ERR "db88f5281_pci_preinit failed " |
e448b12c TP |
231 | "to set_irq_type pin %d\n", pin); |
232 | gpio_free(pin); | |
233 | } | |
234 | } else { | |
235 | printk(KERN_ERR "db88f5281_pci_preinit failed to gpio_request %d\n", pin); | |
236 | } | |
237 | } | |
238 | ||
d5341942 RB |
239 | static int __init db88f5281_pci_map_irq(const struct pci_dev *dev, u8 slot, |
240 | u8 pin) | |
e448b12c | 241 | { |
92b913b0 LB |
242 | int irq; |
243 | ||
e448b12c | 244 | /* |
92b913b0 | 245 | * Check for devices with hard-wired IRQs. |
e448b12c | 246 | */ |
92b913b0 LB |
247 | irq = orion5x_pci_map_irq(dev, slot, pin); |
248 | if (irq != -1) | |
249 | return irq; | |
e448b12c TP |
250 | |
251 | /* | |
92b913b0 | 252 | * PCI IRQs are connected via GPIOs. |
e448b12c TP |
253 | */ |
254 | switch (slot - DB88F5281_PCI_SLOT0_OFFS) { | |
255 | case 0: | |
256 | return gpio_to_irq(DB88F5281_PCI_SLOT0_IRQ_PIN); | |
257 | case 1: | |
258 | case 2: | |
259 | return gpio_to_irq(DB88F5281_PCI_SLOT1_SLOT2_IRQ_PIN); | |
260 | default: | |
261 | return -1; | |
262 | } | |
263 | } | |
264 | ||
265 | static struct hw_pci db88f5281_pci __initdata = { | |
266 | .nr_controllers = 2, | |
267 | .preinit = db88f5281_pci_preinit, | |
9dd0b194 LB |
268 | .setup = orion5x_pci_sys_setup, |
269 | .scan = orion5x_pci_sys_scan_bus, | |
e448b12c TP |
270 | .map_irq = db88f5281_pci_map_irq, |
271 | }; | |
272 | ||
273 | static int __init db88f5281_pci_init(void) | |
274 | { | |
275 | if (machine_is_db88f5281()) | |
276 | pci_common_init(&db88f5281_pci); | |
277 | ||
278 | return 0; | |
279 | } | |
280 | ||
281 | subsys_initcall(db88f5281_pci_init); | |
282 | ||
283 | /***************************************************************************** | |
284 | * Ethernet | |
285 | ****************************************************************************/ | |
286 | static struct mv643xx_eth_platform_data db88f5281_eth_data = { | |
ac840605 | 287 | .phy_addr = MV643XX_ETH_PHY_ADDR(8), |
e448b12c TP |
288 | }; |
289 | ||
290 | /***************************************************************************** | |
291 | * RTC DS1339 on I2C bus | |
292 | ****************************************************************************/ | |
293 | static struct i2c_board_info __initdata db88f5281_i2c_rtc = { | |
3760f736 | 294 | I2C_BOARD_INFO("ds1339", 0x68), |
e448b12c TP |
295 | }; |
296 | ||
297 | /***************************************************************************** | |
298 | * General Setup | |
299 | ****************************************************************************/ | |
554cdaef AL |
300 | static unsigned int db88f5281_mpp_modes[] __initdata = { |
301 | MPP0_GPIO, /* USB Over Current */ | |
302 | MPP1_GPIO, /* USB Vbat input */ | |
303 | MPP2_PCI_ARB, /* PCI_REQn[2] */ | |
304 | MPP3_PCI_ARB, /* PCI_GNTn[2] */ | |
305 | MPP4_PCI_ARB, /* PCI_REQn[3] */ | |
306 | MPP5_PCI_ARB, /* PCI_GNTn[3] */ | |
307 | MPP6_GPIO, /* JP0, CON17.2 */ | |
308 | MPP7_GPIO, /* JP1, CON17.1 */ | |
309 | MPP8_GPIO, /* JP2, CON11.2 */ | |
310 | MPP9_GPIO, /* JP3, CON11.3 */ | |
311 | MPP10_GPIO, /* RTC int */ | |
312 | MPP11_GPIO, /* Baud Rate Generator */ | |
313 | MPP12_GPIO, /* PCI int 1 */ | |
314 | MPP13_GPIO, /* PCI int 2 */ | |
315 | MPP14_NAND, /* NAND_REn[2] */ | |
316 | MPP15_NAND, /* NAND_WEn[2] */ | |
317 | MPP16_UART, /* UART1_RX */ | |
318 | MPP17_UART, /* UART1_TX */ | |
319 | MPP18_UART, /* UART1_CTSn */ | |
320 | MPP19_UART, /* UART1_RTSn */ | |
321 | 0, | |
19cfd5c0 LB |
322 | }; |
323 | ||
e448b12c TP |
324 | static void __init db88f5281_init(void) |
325 | { | |
326 | /* | |
327 | * Basic Orion setup. Need to be called early. | |
328 | */ | |
9dd0b194 | 329 | orion5x_init(); |
e448b12c | 330 | |
19cfd5c0 | 331 | orion5x_mpp_conf(db88f5281_mpp_modes); |
79e90dd5 | 332 | writel(0, MPP_DEV_CTRL); /* DEV_D[31:16] */ |
e448b12c | 333 | |
044f6c7c LB |
334 | /* |
335 | * Configure peripherals. | |
336 | */ | |
337 | orion5x_ehci0_init(); | |
9dd0b194 | 338 | orion5x_eth_init(&db88f5281_eth_data); |
044f6c7c LB |
339 | orion5x_i2c_init(); |
340 | orion5x_uart0_init(); | |
341 | orion5x_uart1_init(); | |
342 | ||
343 | orion5x_setup_dev_boot_win(DB88F5281_NOR_BOOT_BASE, | |
344 | DB88F5281_NOR_BOOT_SIZE); | |
345 | platform_device_register(&db88f5281_boot_flash); | |
346 | ||
347 | orion5x_setup_dev0_win(DB88F5281_7SEG_BASE, DB88F5281_7SEG_SIZE); | |
348 | ||
349 | orion5x_setup_dev1_win(DB88F5281_NOR_BASE, DB88F5281_NOR_SIZE); | |
350 | platform_device_register(&db88f5281_nor_flash); | |
351 | ||
352 | orion5x_setup_dev2_win(DB88F5281_NAND_BASE, DB88F5281_NAND_SIZE); | |
353 | platform_device_register(&db88f5281_nand_flash); | |
354 | ||
355 | i2c_register_board_info(0, &db88f5281_i2c_rtc, 1); | |
e448b12c TP |
356 | } |
357 | ||
358 | MACHINE_START(DB88F5281, "Marvell Orion-2 Development Board") | |
359 | /* Maintainer: Tzachi Perelstein <tzachi@marvell.com> */ | |
65aa1b1e | 360 | .atag_offset = 0x100, |
e448b12c | 361 | .init_machine = db88f5281_init, |
9dd0b194 | 362 | .map_io = orion5x_map_io, |
4ee1f6b5 | 363 | .init_early = orion5x_init_early, |
9dd0b194 | 364 | .init_irq = orion5x_init_irq, |
6bb27d73 | 365 | .init_time = orion5x_timer_init, |
764cbcc2 | 366 | .restart = orion5x_restart, |
e448b12c | 367 | MACHINE_END |