ARM: mach-omap2: convert boot_params to atag_offset
[deliverable/linux.git] / arch / arm / mach-orion5x / ts209-setup.c
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1/*
2 * QNAP TS-109/TS-209 Board Setup
3 *
4 * Maintainer: Byron Bradley <byron.bbradley@gmail.com>
5 *
6 * This program is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU General Public License
8 * as published by the Free Software Foundation; either version
9 * 2 of the License, or (at your option) any later version.
10 */
11
12#include <linux/kernel.h>
13#include <linux/init.h>
14#include <linux/platform_device.h>
15#include <linux/pci.h>
16#include <linux/irq.h>
17#include <linux/mtd/physmap.h>
18#include <linux/mtd/nand.h>
19#include <linux/mv643xx_eth.h>
20#include <linux/gpio_keys.h>
21#include <linux/input.h>
22#include <linux/i2c.h>
8f86dda3 23#include <linux/serial_reg.h>
ee44391e 24#include <linux/ata_platform.h>
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25#include <asm/mach-types.h>
26#include <asm/gpio.h>
27#include <asm/mach/arch.h>
28#include <asm/mach/pci.h>
a09e64fb 29#include <mach/orion5x.h>
3faf2ee8 30#include "common.h"
19cfd5c0 31#include "mpp.h"
530c854a 32#include "tsx09-common.h"
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33
34#define QNAP_TS209_NOR_BOOT_BASE 0xf4000000
35#define QNAP_TS209_NOR_BOOT_SIZE SZ_8M
36
37/****************************************************************************
38 * 8MiB NOR flash. The struct mtd_partition is not in the same order as the
25985edc 39 * partitions on the device because we want to keep compatibility with
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40 * existing QNAP firmware.
41 *
42 * Layout as used by QNAP:
43 * [2] 0x00000000-0x00200000 : "Kernel"
44 * [3] 0x00200000-0x00600000 : "RootFS1"
45 * [4] 0x00600000-0x00700000 : "RootFS2"
46 * [6] 0x00700000-0x00760000 : "NAS Config" (read-only)
47 * [5] 0x00760000-0x00780000 : "U-Boot Config"
48 * [1] 0x00780000-0x00800000 : "U-Boot" (read-only)
49 ***************************************************************************/
50static struct mtd_partition qnap_ts209_partitions[] = {
51 {
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52 .name = "U-Boot",
53 .size = 0x00080000,
54 .offset = 0x00780000,
55 .mask_flags = MTD_WRITEABLE,
3faf2ee8 56 }, {
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57 .name = "Kernel",
58 .size = 0x00200000,
59 .offset = 0,
3faf2ee8 60 }, {
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61 .name = "RootFS1",
62 .size = 0x00400000,
63 .offset = 0x00200000,
3faf2ee8 64 }, {
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65 .name = "RootFS2",
66 .size = 0x00100000,
67 .offset = 0x00600000,
3faf2ee8 68 }, {
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69 .name = "U-Boot Config",
70 .size = 0x00020000,
71 .offset = 0x00760000,
3faf2ee8 72 }, {
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73 .name = "NAS Config",
74 .size = 0x00060000,
75 .offset = 0x00700000,
76 .mask_flags = MTD_WRITEABLE,
77 },
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78};
79
80static struct physmap_flash_data qnap_ts209_nor_flash_data = {
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81 .width = 1,
82 .parts = qnap_ts209_partitions,
83 .nr_parts = ARRAY_SIZE(qnap_ts209_partitions)
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84};
85
86static struct resource qnap_ts209_nor_flash_resource = {
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87 .flags = IORESOURCE_MEM,
88 .start = QNAP_TS209_NOR_BOOT_BASE,
89 .end = QNAP_TS209_NOR_BOOT_BASE + QNAP_TS209_NOR_BOOT_SIZE - 1,
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90};
91
92static struct platform_device qnap_ts209_nor_flash = {
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93 .name = "physmap-flash",
94 .id = 0,
95 .dev = {
96 .platform_data = &qnap_ts209_nor_flash_data,
97 },
98 .resource = &qnap_ts209_nor_flash_resource,
99 .num_resources = 1,
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100};
101
102/*****************************************************************************
103 * PCI
104 ****************************************************************************/
105
106#define QNAP_TS209_PCI_SLOT0_OFFS 7
107#define QNAP_TS209_PCI_SLOT0_IRQ_PIN 6
108#define QNAP_TS209_PCI_SLOT1_IRQ_PIN 7
109
110void __init qnap_ts209_pci_preinit(void)
111{
112 int pin;
113
114 /*
115 * Configure PCI GPIO IRQ pins
116 */
117 pin = QNAP_TS209_PCI_SLOT0_IRQ_PIN;
118 if (gpio_request(pin, "PCI Int1") == 0) {
119 if (gpio_direction_input(pin) == 0) {
6845664a 120 irq_set_irq_type(gpio_to_irq(pin), IRQ_TYPE_LEVEL_LOW);
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121 } else {
122 printk(KERN_ERR "qnap_ts209_pci_preinit failed to "
123 "set_irq_type pin %d\n", pin);
124 gpio_free(pin);
125 }
126 } else {
127 printk(KERN_ERR "qnap_ts209_pci_preinit failed to gpio_request "
128 "%d\n", pin);
129 }
130
131 pin = QNAP_TS209_PCI_SLOT1_IRQ_PIN;
132 if (gpio_request(pin, "PCI Int2") == 0) {
133 if (gpio_direction_input(pin) == 0) {
6845664a 134 irq_set_irq_type(gpio_to_irq(pin), IRQ_TYPE_LEVEL_LOW);
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135 } else {
136 printk(KERN_ERR "qnap_ts209_pci_preinit failed "
137 "to set_irq_type pin %d\n", pin);
138 gpio_free(pin);
139 }
140 } else {
141 printk(KERN_ERR "qnap_ts209_pci_preinit failed to gpio_request "
142 "%d\n", pin);
143 }
144}
145
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146static int __init qnap_ts209_pci_map_irq(const struct pci_dev *dev, u8 slot,
147 u8 pin)
3faf2ee8 148{
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149 int irq;
150
3faf2ee8 151 /*
92b913b0 152 * Check for devices with hard-wired IRQs.
3faf2ee8 153 */
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154 irq = orion5x_pci_map_irq(dev, slot, pin);
155 if (irq != -1)
156 return irq;
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157
158 /*
92b913b0 159 * PCI IRQs are connected via GPIOs.
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160 */
161 switch (slot - QNAP_TS209_PCI_SLOT0_OFFS) {
162 case 0:
163 return gpio_to_irq(QNAP_TS209_PCI_SLOT0_IRQ_PIN);
164 case 1:
165 return gpio_to_irq(QNAP_TS209_PCI_SLOT1_IRQ_PIN);
166 default:
167 return -1;
168 }
169}
170
171static struct hw_pci qnap_ts209_pci __initdata = {
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172 .nr_controllers = 2,
173 .preinit = qnap_ts209_pci_preinit,
174 .swizzle = pci_std_swizzle,
175 .setup = orion5x_pci_sys_setup,
176 .scan = orion5x_pci_sys_scan_bus,
177 .map_irq = qnap_ts209_pci_map_irq,
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178};
179
180static int __init qnap_ts209_pci_init(void)
181{
182 if (machine_is_ts_x09())
183 pci_common_init(&qnap_ts209_pci);
184
185 return 0;
186}
187
188subsys_initcall(qnap_ts209_pci_init);
189
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190/*****************************************************************************
191 * RTC S35390A on I2C bus
192 ****************************************************************************/
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193
194#define TS209_RTC_GPIO 3
195
3faf2ee8 196static struct i2c_board_info __initdata qnap_ts209_i2c_rtc = {
3760f736 197 I2C_BOARD_INFO("s35390a", 0x30),
e7068ad3 198 .irq = 0,
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199};
200
201/****************************************************************************
202 * GPIO Attached Keys
203 * Power button is attached to the PIC microcontroller
204 ****************************************************************************/
205
206#define QNAP_TS209_GPIO_KEY_MEDIA 1
207#define QNAP_TS209_GPIO_KEY_RESET 2
208
209static struct gpio_keys_button qnap_ts209_buttons[] = {
210 {
28ca8c80 211 .code = KEY_COPY,
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212 .gpio = QNAP_TS209_GPIO_KEY_MEDIA,
213 .desc = "USB Copy Button",
214 .active_low = 1,
e7068ad3 215 }, {
28ca8c80 216 .code = KEY_RESTART,
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217 .gpio = QNAP_TS209_GPIO_KEY_RESET,
218 .desc = "Reset Button",
219 .active_low = 1,
e7068ad3 220 },
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221};
222
223static struct gpio_keys_platform_data qnap_ts209_button_data = {
224 .buttons = qnap_ts209_buttons,
e7068ad3 225 .nbuttons = ARRAY_SIZE(qnap_ts209_buttons),
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226};
227
228static struct platform_device qnap_ts209_button_device = {
229 .name = "gpio-keys",
230 .id = -1,
231 .num_resources = 0,
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232 .dev = {
233 .platform_data = &qnap_ts209_button_data,
234 },
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235};
236
237/*****************************************************************************
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238 * SATA
239 ****************************************************************************/
240static struct mv_sata_platform_data qnap_ts209_sata_data = {
e7068ad3 241 .n_ports = 2,
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242};
243
244/*****************************************************************************
245
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246 * General Setup
247 ****************************************************************************/
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248static unsigned int ts209_mpp_modes[] __initdata = {
249 MPP0_UNUSED,
250 MPP1_GPIO, /* USB copy button */
251 MPP2_GPIO, /* Load defaults button */
252 MPP3_GPIO, /* GPIO RTC */
253 MPP4_UNUSED,
254 MPP5_UNUSED,
255 MPP6_GPIO, /* PCI Int A */
256 MPP7_GPIO, /* PCI Int B */
257 MPP8_UNUSED,
258 MPP9_UNUSED,
259 MPP10_UNUSED,
260 MPP11_UNUSED,
261 MPP12_SATA_LED, /* SATA 0 presence */
262 MPP13_SATA_LED, /* SATA 1 presence */
263 MPP14_SATA_LED, /* SATA 0 active */
264 MPP15_SATA_LED, /* SATA 1 active */
265 MPP16_UART, /* UART1 RXD */
266 MPP17_UART, /* UART1 TXD */
267 MPP18_GPIO, /* SW_RST */
268 MPP19_UNUSED,
269 0,
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270};
271
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272static void __init qnap_ts209_init(void)
273{
274 /*
275 * Setup basic Orion functions. Need to be called early.
276 */
9dd0b194 277 orion5x_init();
3faf2ee8 278
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279 orion5x_mpp_conf(ts209_mpp_modes);
280
3faf2ee8 281 /*
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282 * MPP[20] PCI clock 0
283 * MPP[21] PCI clock 1
284 * MPP[22] USB 0 over current
285 * MPP[23-25] Reserved
286 */
3faf2ee8 287
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288 /*
289 * Configure peripherals.
290 */
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291 orion5x_setup_dev_boot_win(QNAP_TS209_NOR_BOOT_BASE,
292 QNAP_TS209_NOR_BOOT_SIZE);
293 platform_device_register(&qnap_ts209_nor_flash);
294
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295 orion5x_ehci0_init();
296 orion5x_ehci1_init();
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297 qnap_tsx09_find_mac_addr(QNAP_TS209_NOR_BOOT_BASE +
298 qnap_ts209_partitions[5].offset,
299 qnap_ts209_partitions[5].size);
300 orion5x_eth_init(&qnap_tsx09_eth_data);
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301 orion5x_i2c_init();
302 orion5x_sata_init(&qnap_ts209_sata_data);
303 orion5x_uart0_init();
e45772b2 304 orion5x_uart1_init();
1d5a1a6e 305 orion5x_xor_init();
044f6c7c 306
044f6c7c 307 platform_device_register(&qnap_ts209_button_device);
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308
309 /* Get RTC IRQ and register the chip */
310 if (gpio_request(TS209_RTC_GPIO, "rtc") == 0) {
311 if (gpio_direction_input(TS209_RTC_GPIO) == 0)
312 qnap_ts209_i2c_rtc.irq = gpio_to_irq(TS209_RTC_GPIO);
313 else
314 gpio_free(TS209_RTC_GPIO);
315 }
316 if (qnap_ts209_i2c_rtc.irq == 0)
317 pr_warning("qnap_ts209_init: failed to get RTC IRQ\n");
3faf2ee8 318 i2c_register_board_info(0, &qnap_ts209_i2c_rtc, 1);
59e8ce57 319
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320 /* register tsx09 specific power-off method */
321 pm_power_off = qnap_tsx09_power_off;
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322}
323
324MACHINE_START(TS209, "QNAP TS-109/TS-209")
e7068ad3 325 /* Maintainer: Byron Bradley <byron.bbradley@gmail.com> */
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326 .boot_params = 0x00000100,
327 .init_machine = qnap_ts209_init,
9dd0b194 328 .map_io = orion5x_map_io,
4ee1f6b5 329 .init_early = orion5x_init_early,
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330 .init_irq = orion5x_init_irq,
331 .timer = &orion5x_timer,
be73a347 332 .fixup = tag_fixup_mem32,
3faf2ee8 333MACHINE_END
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