arm: Use generic show_interrupts()
[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
39 * partitions on the device because we want to keep compatability with
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) {
6cab4860 120 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) {
6cab4860 134 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
146static int __init qnap_ts209_pci_map_irq(struct pci_dev *dev, u8 slot, u8 pin)
147{
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148 int irq;
149
3faf2ee8 150 /*
92b913b0 151 * Check for devices with hard-wired IRQs.
3faf2ee8 152 */
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153 irq = orion5x_pci_map_irq(dev, slot, pin);
154 if (irq != -1)
155 return irq;
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156
157 /*
92b913b0 158 * PCI IRQs are connected via GPIOs.
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159 */
160 switch (slot - QNAP_TS209_PCI_SLOT0_OFFS) {
161 case 0:
162 return gpio_to_irq(QNAP_TS209_PCI_SLOT0_IRQ_PIN);
163 case 1:
164 return gpio_to_irq(QNAP_TS209_PCI_SLOT1_IRQ_PIN);
165 default:
166 return -1;
167 }
168}
169
170static struct hw_pci qnap_ts209_pci __initdata = {
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171 .nr_controllers = 2,
172 .preinit = qnap_ts209_pci_preinit,
173 .swizzle = pci_std_swizzle,
174 .setup = orion5x_pci_sys_setup,
175 .scan = orion5x_pci_sys_scan_bus,
176 .map_irq = qnap_ts209_pci_map_irq,
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177};
178
179static int __init qnap_ts209_pci_init(void)
180{
181 if (machine_is_ts_x09())
182 pci_common_init(&qnap_ts209_pci);
183
184 return 0;
185}
186
187subsys_initcall(qnap_ts209_pci_init);
188
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189/*****************************************************************************
190 * RTC S35390A on I2C bus
191 ****************************************************************************/
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192
193#define TS209_RTC_GPIO 3
194
3faf2ee8 195static struct i2c_board_info __initdata qnap_ts209_i2c_rtc = {
3760f736 196 I2C_BOARD_INFO("s35390a", 0x30),
e7068ad3 197 .irq = 0,
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198};
199
200/****************************************************************************
201 * GPIO Attached Keys
202 * Power button is attached to the PIC microcontroller
203 ****************************************************************************/
204
205#define QNAP_TS209_GPIO_KEY_MEDIA 1
206#define QNAP_TS209_GPIO_KEY_RESET 2
207
208static struct gpio_keys_button qnap_ts209_buttons[] = {
209 {
28ca8c80 210 .code = KEY_COPY,
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211 .gpio = QNAP_TS209_GPIO_KEY_MEDIA,
212 .desc = "USB Copy Button",
213 .active_low = 1,
e7068ad3 214 }, {
28ca8c80 215 .code = KEY_RESTART,
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216 .gpio = QNAP_TS209_GPIO_KEY_RESET,
217 .desc = "Reset Button",
218 .active_low = 1,
e7068ad3 219 },
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220};
221
222static struct gpio_keys_platform_data qnap_ts209_button_data = {
223 .buttons = qnap_ts209_buttons,
e7068ad3 224 .nbuttons = ARRAY_SIZE(qnap_ts209_buttons),
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225};
226
227static struct platform_device qnap_ts209_button_device = {
228 .name = "gpio-keys",
229 .id = -1,
230 .num_resources = 0,
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231 .dev = {
232 .platform_data = &qnap_ts209_button_data,
233 },
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234};
235
236/*****************************************************************************
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237 * SATA
238 ****************************************************************************/
239static struct mv_sata_platform_data qnap_ts209_sata_data = {
e7068ad3 240 .n_ports = 2,
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241};
242
243/*****************************************************************************
244
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245 * General Setup
246 ****************************************************************************/
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247static struct orion5x_mpp_mode ts209_mpp_modes[] __initdata = {
248 { 0, MPP_UNUSED },
249 { 1, MPP_GPIO }, /* USB copy button */
250 { 2, MPP_GPIO }, /* Load defaults button */
251 { 3, MPP_GPIO }, /* GPIO RTC */
252 { 4, MPP_UNUSED },
253 { 5, MPP_UNUSED },
254 { 6, MPP_GPIO }, /* PCI Int A */
255 { 7, MPP_GPIO }, /* PCI Int B */
256 { 8, MPP_UNUSED },
257 { 9, MPP_UNUSED },
258 { 10, MPP_UNUSED },
259 { 11, MPP_UNUSED },
260 { 12, MPP_SATA_LED }, /* SATA 0 presence */
261 { 13, MPP_SATA_LED }, /* SATA 1 presence */
262 { 14, MPP_SATA_LED }, /* SATA 0 active */
263 { 15, MPP_SATA_LED }, /* SATA 1 active */
264 { 16, MPP_UART }, /* UART1 RXD */
265 { 17, MPP_UART }, /* UART1 TXD */
266 { 18, MPP_GPIO }, /* SW_RST */
267 { 19, MPP_UNUSED },
268 { -1 },
269};
270
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271static void __init qnap_ts209_init(void)
272{
273 /*
274 * Setup basic Orion functions. Need to be called early.
275 */
9dd0b194 276 orion5x_init();
3faf2ee8 277
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278 orion5x_mpp_conf(ts209_mpp_modes);
279
3faf2ee8 280 /*
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281 * MPP[20] PCI clock 0
282 * MPP[21] PCI clock 1
283 * MPP[22] USB 0 over current
284 * MPP[23-25] Reserved
285 */
3faf2ee8 286
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287 /*
288 * Configure peripherals.
289 */
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290 orion5x_setup_dev_boot_win(QNAP_TS209_NOR_BOOT_BASE,
291 QNAP_TS209_NOR_BOOT_SIZE);
292 platform_device_register(&qnap_ts209_nor_flash);
293
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294 orion5x_ehci0_init();
295 orion5x_ehci1_init();
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296 qnap_tsx09_find_mac_addr(QNAP_TS209_NOR_BOOT_BASE +
297 qnap_ts209_partitions[5].offset,
298 qnap_ts209_partitions[5].size);
299 orion5x_eth_init(&qnap_tsx09_eth_data);
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300 orion5x_i2c_init();
301 orion5x_sata_init(&qnap_ts209_sata_data);
302 orion5x_uart0_init();
e45772b2 303 orion5x_uart1_init();
1d5a1a6e 304 orion5x_xor_init();
044f6c7c 305
044f6c7c 306 platform_device_register(&qnap_ts209_button_device);
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307
308 /* Get RTC IRQ and register the chip */
309 if (gpio_request(TS209_RTC_GPIO, "rtc") == 0) {
310 if (gpio_direction_input(TS209_RTC_GPIO) == 0)
311 qnap_ts209_i2c_rtc.irq = gpio_to_irq(TS209_RTC_GPIO);
312 else
313 gpio_free(TS209_RTC_GPIO);
314 }
315 if (qnap_ts209_i2c_rtc.irq == 0)
316 pr_warning("qnap_ts209_init: failed to get RTC IRQ\n");
3faf2ee8 317 i2c_register_board_info(0, &qnap_ts209_i2c_rtc, 1);
59e8ce57 318
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319 /* register tsx09 specific power-off method */
320 pm_power_off = qnap_tsx09_power_off;
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321}
322
323MACHINE_START(TS209, "QNAP TS-109/TS-209")
e7068ad3 324 /* Maintainer: Byron Bradley <byron.bbradley@gmail.com> */
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325 .boot_params = 0x00000100,
326 .init_machine = qnap_ts209_init,
9dd0b194 327 .map_io = orion5x_map_io,
4ee1f6b5 328 .init_early = orion5x_init_early,
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329 .init_irq = orion5x_init_irq,
330 .timer = &orion5x_timer,
be73a347 331 .fixup = tag_fixup_mem32,
3faf2ee8 332MACHINE_END
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