xref: /linux/arch/arm/mach-orion5x/ts209-setup.c (revision 96ac6d435100450f0565708d9b885ea2a7400e0a)
1 // SPDX-License-Identifier: GPL-2.0-or-later
2 /*
3  * QNAP TS-109/TS-209 Board Setup
4  *
5  * Maintainer: Byron Bradley <byron.bbradley@gmail.com>
6  */
7 #include <linux/gpio.h>
8 #include <linux/kernel.h>
9 #include <linux/init.h>
10 #include <linux/platform_device.h>
11 #include <linux/pci.h>
12 #include <linux/irq.h>
13 #include <linux/mtd/physmap.h>
14 #include <linux/mtd/rawnand.h>
15 #include <linux/mv643xx_eth.h>
16 #include <linux/gpio_keys.h>
17 #include <linux/input.h>
18 #include <linux/i2c.h>
19 #include <linux/serial_reg.h>
20 #include <linux/ata_platform.h>
21 #include <asm/mach-types.h>
22 #include <asm/mach/arch.h>
23 #include <asm/mach/pci.h>
24 #include "common.h"
25 #include "mpp.h"
26 #include "orion5x.h"
27 #include "tsx09-common.h"
28 
29 #define QNAP_TS209_NOR_BOOT_BASE 0xf4000000
30 #define QNAP_TS209_NOR_BOOT_SIZE SZ_8M
31 
32 /****************************************************************************
33  * 8MiB NOR flash. The struct mtd_partition is not in the same order as the
34  *     partitions on the device because we want to keep compatibility with
35  *     existing QNAP firmware.
36  *
37  * Layout as used by QNAP:
38  *  [2] 0x00000000-0x00200000 : "Kernel"
39  *  [3] 0x00200000-0x00600000 : "RootFS1"
40  *  [4] 0x00600000-0x00700000 : "RootFS2"
41  *  [6] 0x00700000-0x00760000 : "NAS Config" (read-only)
42  *  [5] 0x00760000-0x00780000 : "U-Boot Config"
43  *  [1] 0x00780000-0x00800000 : "U-Boot" (read-only)
44  ***************************************************************************/
45 static struct mtd_partition qnap_ts209_partitions[] = {
46 	{
47 		.name		= "U-Boot",
48 		.size		= 0x00080000,
49 		.offset		= 0x00780000,
50 		.mask_flags	= MTD_WRITEABLE,
51 	}, {
52 		.name		= "Kernel",
53 		.size		= 0x00200000,
54 		.offset		= 0,
55 	}, {
56 		.name		= "RootFS1",
57 		.size		= 0x00400000,
58 		.offset		= 0x00200000,
59 	}, {
60 		.name		= "RootFS2",
61 		.size		= 0x00100000,
62 		.offset		= 0x00600000,
63 	}, {
64 		.name		= "U-Boot Config",
65 		.size		= 0x00020000,
66 		.offset		= 0x00760000,
67 	}, {
68 		.name		= "NAS Config",
69 		.size		= 0x00060000,
70 		.offset		= 0x00700000,
71 		.mask_flags	= MTD_WRITEABLE,
72 	},
73 };
74 
75 static struct physmap_flash_data qnap_ts209_nor_flash_data = {
76 	.width		= 1,
77 	.parts		= qnap_ts209_partitions,
78 	.nr_parts	= ARRAY_SIZE(qnap_ts209_partitions)
79 };
80 
81 static struct resource qnap_ts209_nor_flash_resource = {
82 	.flags	= IORESOURCE_MEM,
83 	.start	= QNAP_TS209_NOR_BOOT_BASE,
84 	.end	= QNAP_TS209_NOR_BOOT_BASE + QNAP_TS209_NOR_BOOT_SIZE - 1,
85 };
86 
87 static struct platform_device qnap_ts209_nor_flash = {
88 	.name		= "physmap-flash",
89 	.id		= 0,
90 	.dev		= {
91 		.platform_data	= &qnap_ts209_nor_flash_data,
92 	},
93 	.resource	= &qnap_ts209_nor_flash_resource,
94 	.num_resources	= 1,
95 };
96 
97 /*****************************************************************************
98  * PCI
99  ****************************************************************************/
100 
101 #define QNAP_TS209_PCI_SLOT0_OFFS	7
102 #define QNAP_TS209_PCI_SLOT0_IRQ_PIN	6
103 #define QNAP_TS209_PCI_SLOT1_IRQ_PIN	7
104 
105 static void __init qnap_ts209_pci_preinit(void)
106 {
107 	int pin;
108 
109 	/*
110 	 * Configure PCI GPIO IRQ pins
111 	 */
112 	pin = QNAP_TS209_PCI_SLOT0_IRQ_PIN;
113 	if (gpio_request(pin, "PCI Int1") == 0) {
114 		if (gpio_direction_input(pin) == 0) {
115 			irq_set_irq_type(gpio_to_irq(pin), IRQ_TYPE_LEVEL_LOW);
116 		} else {
117 			printk(KERN_ERR "qnap_ts209_pci_preinit failed to "
118 					"set_irq_type pin %d\n", pin);
119 			gpio_free(pin);
120 		}
121 	} else {
122 		printk(KERN_ERR "qnap_ts209_pci_preinit failed to gpio_request "
123 				"%d\n", pin);
124 	}
125 
126 	pin = QNAP_TS209_PCI_SLOT1_IRQ_PIN;
127 	if (gpio_request(pin, "PCI Int2") == 0) {
128 		if (gpio_direction_input(pin) == 0) {
129 			irq_set_irq_type(gpio_to_irq(pin), IRQ_TYPE_LEVEL_LOW);
130 		} else {
131 			printk(KERN_ERR "qnap_ts209_pci_preinit failed "
132 					"to set_irq_type pin %d\n", pin);
133 			gpio_free(pin);
134 		}
135 	} else {
136 		printk(KERN_ERR "qnap_ts209_pci_preinit failed to gpio_request "
137 				"%d\n", pin);
138 	}
139 }
140 
141 static int __init qnap_ts209_pci_map_irq(const struct pci_dev *dev, u8 slot,
142 	u8 pin)
143 {
144 	int irq;
145 
146 	/*
147 	 * Check for devices with hard-wired IRQs.
148 	 */
149 	irq = orion5x_pci_map_irq(dev, slot, pin);
150 	if (irq != -1)
151 		return irq;
152 
153 	/*
154 	 * PCI IRQs are connected via GPIOs.
155 	 */
156 	switch (slot - QNAP_TS209_PCI_SLOT0_OFFS) {
157 	case 0:
158 		return gpio_to_irq(QNAP_TS209_PCI_SLOT0_IRQ_PIN);
159 	case 1:
160 		return gpio_to_irq(QNAP_TS209_PCI_SLOT1_IRQ_PIN);
161 	default:
162 		return -1;
163 	}
164 }
165 
166 static struct hw_pci qnap_ts209_pci __initdata = {
167 	.nr_controllers	= 2,
168 	.preinit	= qnap_ts209_pci_preinit,
169 	.setup		= orion5x_pci_sys_setup,
170 	.scan		= orion5x_pci_sys_scan_bus,
171 	.map_irq	= qnap_ts209_pci_map_irq,
172 };
173 
174 static int __init qnap_ts209_pci_init(void)
175 {
176 	if (machine_is_ts209())
177 		pci_common_init(&qnap_ts209_pci);
178 
179 	return 0;
180 }
181 
182 subsys_initcall(qnap_ts209_pci_init);
183 
184 /*****************************************************************************
185  * RTC S35390A on I2C bus
186  ****************************************************************************/
187 
188 #define TS209_RTC_GPIO	3
189 
190 static struct i2c_board_info __initdata qnap_ts209_i2c_rtc = {
191 	I2C_BOARD_INFO("s35390a", 0x30),
192 	.irq	= 0,
193 };
194 
195 /****************************************************************************
196  * GPIO Attached Keys
197  *     Power button is attached to the PIC microcontroller
198  ****************************************************************************/
199 
200 #define QNAP_TS209_GPIO_KEY_MEDIA	1
201 #define QNAP_TS209_GPIO_KEY_RESET	2
202 
203 static struct gpio_keys_button qnap_ts209_buttons[] = {
204 	{
205 		.code		= KEY_COPY,
206 		.gpio		= QNAP_TS209_GPIO_KEY_MEDIA,
207 		.desc		= "USB Copy Button",
208 		.active_low	= 1,
209 	}, {
210 		.code		= KEY_RESTART,
211 		.gpio		= QNAP_TS209_GPIO_KEY_RESET,
212 		.desc		= "Reset Button",
213 		.active_low	= 1,
214 	},
215 };
216 
217 static struct gpio_keys_platform_data qnap_ts209_button_data = {
218 	.buttons	= qnap_ts209_buttons,
219 	.nbuttons	= ARRAY_SIZE(qnap_ts209_buttons),
220 };
221 
222 static struct platform_device qnap_ts209_button_device = {
223 	.name		= "gpio-keys",
224 	.id		= -1,
225 	.num_resources	= 0,
226 	.dev		= {
227 		.platform_data	= &qnap_ts209_button_data,
228 	},
229 };
230 
231 /*****************************************************************************
232  * SATA
233  ****************************************************************************/
234 static struct mv_sata_platform_data qnap_ts209_sata_data = {
235 	.n_ports	= 2,
236 };
237 
238 /*****************************************************************************
239 
240  * General Setup
241  ****************************************************************************/
242 static unsigned int ts209_mpp_modes[] __initdata = {
243 	MPP0_UNUSED,
244 	MPP1_GPIO,		/* USB copy button */
245 	MPP2_GPIO,		/* Load defaults button */
246 	MPP3_GPIO,		/* GPIO RTC */
247 	MPP4_UNUSED,
248 	MPP5_UNUSED,
249 	MPP6_GPIO,		/* PCI Int A */
250 	MPP7_GPIO,		/* PCI Int B */
251 	MPP8_UNUSED,
252 	MPP9_UNUSED,
253 	MPP10_UNUSED,
254 	MPP11_UNUSED,
255 	MPP12_SATA_LED,		/* SATA 0 presence */
256 	MPP13_SATA_LED,		/* SATA 1 presence */
257 	MPP14_SATA_LED,		/* SATA 0 active */
258 	MPP15_SATA_LED,		/* SATA 1 active */
259 	MPP16_UART,		/* UART1 RXD */
260 	MPP17_UART,		/* UART1 TXD */
261 	MPP18_GPIO,		/* SW_RST */
262 	MPP19_UNUSED,
263 	0,
264 };
265 
266 static void __init qnap_ts209_init(void)
267 {
268 	/*
269 	 * Setup basic Orion functions. Need to be called early.
270 	 */
271 	orion5x_init();
272 
273 	orion5x_mpp_conf(ts209_mpp_modes);
274 
275 	/*
276 	 * MPP[20] PCI clock 0
277 	 * MPP[21] PCI clock 1
278 	 * MPP[22] USB 0 over current
279 	 * MPP[23-25] Reserved
280 	 */
281 
282 	/*
283 	 * Configure peripherals.
284 	 */
285 	mvebu_mbus_add_window_by_id(ORION_MBUS_DEVBUS_BOOT_TARGET,
286 				    ORION_MBUS_DEVBUS_BOOT_ATTR,
287 				    QNAP_TS209_NOR_BOOT_BASE,
288 				    QNAP_TS209_NOR_BOOT_SIZE);
289 	platform_device_register(&qnap_ts209_nor_flash);
290 
291 	orion5x_ehci0_init();
292 	orion5x_ehci1_init();
293 	qnap_tsx09_find_mac_addr(QNAP_TS209_NOR_BOOT_BASE +
294 				 qnap_ts209_partitions[5].offset,
295 				 qnap_ts209_partitions[5].size);
296 	orion5x_eth_init(&qnap_tsx09_eth_data);
297 	orion5x_i2c_init();
298 	orion5x_sata_init(&qnap_ts209_sata_data);
299 	orion5x_uart0_init();
300 	orion5x_uart1_init();
301 	orion5x_xor_init();
302 
303 	platform_device_register(&qnap_ts209_button_device);
304 
305 	/* Get RTC IRQ and register the chip */
306 	if (gpio_request(TS209_RTC_GPIO, "rtc") == 0) {
307 		if (gpio_direction_input(TS209_RTC_GPIO) == 0)
308 			qnap_ts209_i2c_rtc.irq = gpio_to_irq(TS209_RTC_GPIO);
309 		else
310 			gpio_free(TS209_RTC_GPIO);
311 	}
312 	if (qnap_ts209_i2c_rtc.irq == 0)
313 		pr_warn("qnap_ts209_init: failed to get RTC IRQ\n");
314 	i2c_register_board_info(0, &qnap_ts209_i2c_rtc, 1);
315 
316 	/* register tsx09 specific power-off method */
317 	pm_power_off = qnap_tsx09_power_off;
318 }
319 
320 MACHINE_START(TS209, "QNAP TS-109/TS-209")
321 	/* Maintainer: Byron Bradley <byron.bbradley@gmail.com> */
322 	.atag_offset	= 0x100,
323 	.nr_irqs	= ORION5X_NR_IRQS,
324 	.init_machine	= qnap_ts209_init,
325 	.map_io		= orion5x_map_io,
326 	.init_early	= orion5x_init_early,
327 	.init_irq	= orion5x_init_irq,
328 	.init_time	= orion5x_timer_init,
329 	.fixup		= tag_fixup_mem32,
330 	.restart	= orion5x_restart,
331 MACHINE_END
332