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diff --git a/arch/arm/mach-orion/ts209-setup.c b/arch/arm/mach-orion/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>
23#include <linux/serial_reg.h>
24#include <asm/mach-types.h>
25#include <asm/gpio.h>
26#include <asm/mach/arch.h>
27#include <asm/mach/pci.h>
28#include <asm/arch/orion.h>
29#include <asm/arch/platform.h>
30#include "common.h"
31
32#define QNAP_TS209_NOR_BOOT_BASE 0xf4000000
33#define QNAP_TS209_NOR_BOOT_SIZE SZ_8M
34
35/****************************************************************************
36 * 8MiB NOR flash. The struct mtd_partition is not in the same order as the
37 * partitions on the device because we want to keep compatability with
38 * existing QNAP firmware.
39 *
40 * Layout as used by QNAP:
41 * [2] 0x00000000-0x00200000 : "Kernel"
42 * [3] 0x00200000-0x00600000 : "RootFS1"
43 * [4] 0x00600000-0x00700000 : "RootFS2"
44 * [6] 0x00700000-0x00760000 : "NAS Config" (read-only)
45 * [5] 0x00760000-0x00780000 : "U-Boot Config"
46 * [1] 0x00780000-0x00800000 : "U-Boot" (read-only)
47 ***************************************************************************/
48static struct mtd_partition qnap_ts209_partitions[] = {
49 {
50 .name = "U-Boot",
51 .size = 0x00080000,
52 .offset = 0x00780000,
53 .mask_flags = MTD_WRITEABLE,
54 }, {
55 .name = "Kernel",
56 .size = 0x00200000,
57 .offset = 0,
58 }, {
59 .name = "RootFS1",
60 .size = 0x00400000,
61 .offset = 0x00200000,
62 }, {
63 .name = "RootFS2",
64 .size = 0x00100000,
65 .offset = 0x00600000,
66 }, {
67 .name = "U-Boot Config",
68 .size = 0x00020000,
69 .offset = 0x00760000,
70 }, {
71 .name = "NAS Config",
72 .size = 0x00060000,
73 .offset = 0x00700000,
74 .mask_flags = MTD_WRITEABLE,
75 }
76};
77
78static struct physmap_flash_data qnap_ts209_nor_flash_data = {
79 .width = 1,
80 .parts = qnap_ts209_partitions,
81 .nr_parts = ARRAY_SIZE(qnap_ts209_partitions)
82};
83
84static struct resource qnap_ts209_nor_flash_resource = {
85 .flags = IORESOURCE_MEM,
86 .start = QNAP_TS209_NOR_BOOT_BASE,
87 .end = QNAP_TS209_NOR_BOOT_BASE + QNAP_TS209_NOR_BOOT_SIZE - 1,
88};
89
90static struct platform_device qnap_ts209_nor_flash = {
91 .name = "physmap-flash",
92 .id = 0,
93 .dev = { .platform_data = &qnap_ts209_nor_flash_data, },
94 .resource = &qnap_ts209_nor_flash_resource,
95 .num_resources = 1,
96};
97
98/*****************************************************************************
99 * PCI
100 ****************************************************************************/
101
102#define QNAP_TS209_PCI_SLOT0_OFFS 7
103#define QNAP_TS209_PCI_SLOT0_IRQ_PIN 6
104#define QNAP_TS209_PCI_SLOT1_IRQ_PIN 7
105
106void __init qnap_ts209_pci_preinit(void)
107{
108 int pin;
109
110 /*
111 * Configure PCI GPIO IRQ pins
112 */
113 pin = QNAP_TS209_PCI_SLOT0_IRQ_PIN;
114 if (gpio_request(pin, "PCI Int1") == 0) {
115 if (gpio_direction_input(pin) == 0) {
116 set_irq_type(gpio_to_irq(pin), IRQT_LOW);
117 } else {
118 printk(KERN_ERR "qnap_ts209_pci_preinit failed to "
119 "set_irq_type pin %d\n", pin);
120 gpio_free(pin);
121 }
122 } else {
123 printk(KERN_ERR "qnap_ts209_pci_preinit failed to gpio_request "
124 "%d\n", pin);
125 }
126
127 pin = QNAP_TS209_PCI_SLOT1_IRQ_PIN;
128 if (gpio_request(pin, "PCI Int2") == 0) {
129 if (gpio_direction_input(pin) == 0) {
130 set_irq_type(gpio_to_irq(pin), IRQT_LOW);
131 } else {
132 printk(KERN_ERR "qnap_ts209_pci_preinit failed "
133 "to set_irq_type pin %d\n", pin);
134 gpio_free(pin);
135 }
136 } else {
137 printk(KERN_ERR "qnap_ts209_pci_preinit failed to gpio_request "
138 "%d\n", pin);
139 }
140}
141
142static int __init qnap_ts209_pci_map_irq(struct pci_dev *dev, u8 slot, u8 pin)
143{
144 /*
145 * PCIE IRQ is connected internally (not GPIO)
146 */
147 if (dev->bus->number == orion_pcie_local_bus_nr())
148 return IRQ_ORION_PCIE0_INT;
149
150 /*
151 * PCI IRQs are connected via GPIOs
152 */
153 switch (slot - QNAP_TS209_PCI_SLOT0_OFFS) {
154 case 0:
155 return gpio_to_irq(QNAP_TS209_PCI_SLOT0_IRQ_PIN);
156 case 1:
157 return gpio_to_irq(QNAP_TS209_PCI_SLOT1_IRQ_PIN);
158 default:
159 return -1;
160 }
161}
162
163static struct hw_pci qnap_ts209_pci __initdata = {
164 .nr_controllers = 2,
165 .preinit = qnap_ts209_pci_preinit,
166 .swizzle = pci_std_swizzle,
167 .setup = orion_pci_sys_setup,
168 .scan = orion_pci_sys_scan_bus,
169 .map_irq = qnap_ts209_pci_map_irq,
170};
171
172static int __init qnap_ts209_pci_init(void)
173{
174 if (machine_is_ts_x09())
175 pci_common_init(&qnap_ts209_pci);
176
177 return 0;
178}
179
180subsys_initcall(qnap_ts209_pci_init);
181
182/*****************************************************************************
183 * Ethernet
184 ****************************************************************************/
185
186static struct mv643xx_eth_platform_data qnap_ts209_eth_data = {
187 .phy_addr = 8,
188 .force_phy_addr = 1,
189};
190
191/*****************************************************************************
192 * RTC S35390A on I2C bus
193 ****************************************************************************/
194static struct i2c_board_info __initdata qnap_ts209_i2c_rtc = {
195 .driver_name = "rtc-s35390a",
196 .addr = 0x30,
197};
198
199/****************************************************************************
200 * GPIO Attached Keys
201 * Power button is attached to the PIC microcontroller
202 ****************************************************************************/
203
204#define QNAP_TS209_GPIO_KEY_MEDIA 1
205#define QNAP_TS209_GPIO_KEY_RESET 2
206
207static struct gpio_keys_button qnap_ts209_buttons[] = {
208 {
209 .code = KEY_RESTART,
210 .gpio = QNAP_TS209_GPIO_KEY_MEDIA,
211 .desc = "USB Copy Button",
212 .active_low = 1,
213 },
214 {
215 .code = KEY_POWER,
216 .gpio = QNAP_TS209_GPIO_KEY_RESET,
217 .desc = "Reset Button",
218 .active_low = 1,
219 }
220};
221
222static struct gpio_keys_platform_data qnap_ts209_button_data = {
223 .buttons = qnap_ts209_buttons,
224 .nbuttons = ARRAY_SIZE(qnap_ts209_buttons),
225};
226
227static struct platform_device qnap_ts209_button_device = {
228 .name = "gpio-keys",
229 .id = -1,
230 .num_resources = 0,
231 .dev = { .platform_data = &qnap_ts209_button_data, },
232};
233
234/*****************************************************************************
235 * General Setup
236 ****************************************************************************/
237
238static struct platform_device *qnap_ts209_devices[] __initdata = {
239 &qnap_ts209_nor_flash,
240 &qnap_ts209_button_device,
241};
242
243/*
244 * QNAP TS-[12]09 specific power off method via UART1-attached PIC
245 */
246
247#define UART1_REG(x) (UART1_BASE + ((UART_##x) << 2))
248
249static void qnap_ts209_power_off(void)
250{
251 /* 19200 baud divisor */
252 const unsigned divisor = ((ORION_TCLK + (8 * 19200)) / (16 * 19200));
253
254 pr_info("%s: triggering power-off...\n", __func__);
255
256 /* hijack uart1 and reset into sane state (19200,8n1) */
257 orion_write(UART1_REG(LCR), 0x83);
258 orion_write(UART1_REG(DLL), divisor & 0xff);
259 orion_write(UART1_REG(DLM), (divisor >> 8) & 0xff);
260 orion_write(UART1_REG(LCR), 0x03);
261 orion_write(UART1_REG(IER), 0x00);
262 orion_write(UART1_REG(FCR), 0x00);
263 orion_write(UART1_REG(MCR), 0x00);
264
265 /* send the power-off command 'A' to PIC */
266 orion_write(UART1_REG(TX), 'A');
267}
268
269static void __init qnap_ts209_init(void)
270{
271 /*
272 * Setup basic Orion functions. Need to be called early.
273 */
274 orion_init();
275
276 /*
277 * Setup flash mapping
278 */
279 orion_setup_cpu_win(ORION_DEV_BOOT, QNAP_TS209_NOR_BOOT_BASE,
280 QNAP_TS209_NOR_BOOT_SIZE, -1);
281
282 /*
283 * Open a special address decode windows for the PCIE WA.
284 */
285 orion_write(ORION_REGS_BASE | 0x20074, ORION_PCIE_WA_BASE);
286 orion_write(ORION_REGS_BASE | 0x20070, (0x7941 |
287 (((ORION_PCIE_WA_SIZE >> 16) - 1)) << 16));
288
289 /*
290 * Setup Multiplexing Pins --
291 * MPP[0] Reserved
292 * MPP[1] USB copy button (0 active)
293 * MPP[2] Load defaults button (0 active)
294 * MPP[3] GPIO RTC
295 * MPP[4-5] Reserved
296 * MPP[6] PCI Int A
297 * MPP[7] PCI Int B
298 * MPP[8-11] Reserved
299 * MPP[12] SATA 0 presence
300 * MPP[13] SATA 1 presence
301 * MPP[14] SATA 0 active
302 * MPP[15] SATA 1 active
303 * MPP[16] UART1 RXD
304 * MPP[17] UART1 TXD
305 * MPP[18] SW_RST (0 active)
306 * MPP[19] Reserved
307 * MPP[20] PCI clock 0
308 * MPP[21] PCI clock 1
309 * MPP[22] USB 0 over current
310 * MPP[23-25] Reserved
311 */
312 orion_write(MPP_0_7_CTRL, 0x3);
313 orion_write(MPP_8_15_CTRL, 0x55550000);
314 orion_write(MPP_16_19_CTRL, 0x5500);
315 orion_gpio_set_valid_pins(0x3cc0fff);
316
317 /* register ts209 specific power-off method */
318 pm_power_off = qnap_ts209_power_off;
319
320 platform_add_devices(qnap_ts209_devices,
321 ARRAY_SIZE(qnap_ts209_devices));
322 i2c_register_board_info(0, &qnap_ts209_i2c_rtc, 1);
323 orion_eth_init(&qnap_ts209_eth_data);
324}
325
326MACHINE_START(TS209, "QNAP TS-109/TS-209")
327 /* Maintainer: Byron Bradley <byron.bbradley@gmail.com> */
328 .phys_io = ORION_REGS_BASE,
329 .io_pg_offst = ((ORION_REGS_BASE) >> 18) & 0xFFFC,
330 .boot_params = 0x00000100,
331 .init_machine = qnap_ts209_init,
332 .map_io = orion_map_io,
333 .init_irq = orion_init_irq,
334 .timer = &orion_timer,
335MACHINE_END