ts409-setup.c

  1// SPDX-License-Identifier: GPL-2.0-or-later
  2/*
  3 * QNAP TS-409 Board Setup
  4 *
  5 * Maintainer: Sylver Bruneau <sylver.bruneau@gmail.com>
  6 *
  7 * Copyright (C) 2008  Sylver Bruneau <sylver.bruneau@gmail.com>
  8 * Copyright (C) 2008  Martin Michlmayr <tbm@cyrius.com>
  9 */
 10#include <linux/gpio.h>
 11#include <linux/gpio/machine.h>
 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/mv643xx_eth.h>
 19#include <linux/leds.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/mach/arch.h>
 26#include <asm/mach/pci.h>
 27#include "common.h"
 28#include "mpp.h"
 29#include "orion5x.h"
 30#include "tsx09-common.h"
 31
 32/*****************************************************************************
 33 * QNAP TS-409 Info
 34 ****************************************************************************/
 35
 36/*
 37 * QNAP TS-409 hardware :
 38 * - Marvell 88F5281-D0
 39 * - Marvell 88SX7042 SATA controller (PCIe)
 40 * - Marvell 88E1118 Gigabit Ethernet PHY
 41 * - RTC S35390A (@0x30) on I2C bus
 42 * - 8MB NOR flash
 43 * - 256MB of DDR-2 RAM
 44 */
 45
 46/*
 47 * 8MB NOR flash Device bus boot chip select
 48 */
 49
 50#define QNAP_TS409_NOR_BOOT_BASE 0xff800000
 51#define QNAP_TS409_NOR_BOOT_SIZE SZ_8M
 52
 53/****************************************************************************
 54 * 8MiB NOR flash. The struct mtd_partition is not in the same order as the
 55 *     partitions on the device because we want to keep compatibility with
 56 *     existing QNAP firmware.
 57 *
 58 * Layout as used by QNAP:
 59 *  [2] 0x00000000-0x00200000 : "Kernel"
 60 *  [3] 0x00200000-0x00600000 : "RootFS1"
 61 *  [4] 0x00600000-0x00700000 : "RootFS2"
 62 *  [6] 0x00700000-0x00760000 : "NAS Config" (read-only)
 63 *  [5] 0x00760000-0x00780000 : "U-Boot Config"
 64 *  [1] 0x00780000-0x00800000 : "U-Boot" (read-only)
 65 ***************************************************************************/
 66static struct mtd_partition qnap_ts409_partitions[] = {
 67	{
 68		.name		= "U-Boot",
 69		.size		= 0x00080000,
 70		.offset		= 0x00780000,
 71		.mask_flags	= MTD_WRITEABLE,
 72	}, {
 73		.name		= "Kernel",
 74		.size		= 0x00200000,
 75		.offset		= 0,
 76	}, {
 77		.name		= "RootFS1",
 78		.size		= 0x00400000,
 79		.offset		= 0x00200000,
 80	}, {
 81		.name		= "RootFS2",
 82		.size		= 0x00100000,
 83		.offset		= 0x00600000,
 84	}, {
 85		.name		= "U-Boot Config",
 86		.size		= 0x00020000,
 87		.offset		= 0x00760000,
 88	}, {
 89		.name		= "NAS Config",
 90		.size		= 0x00060000,
 91		.offset		= 0x00700000,
 92		.mask_flags	= MTD_WRITEABLE,
 93	},
 94};
 95
 96static struct physmap_flash_data qnap_ts409_nor_flash_data = {
 97	.width		= 1,
 98	.parts		= qnap_ts409_partitions,
 99	.nr_parts	= ARRAY_SIZE(qnap_ts409_partitions)
100};
101
102static struct resource qnap_ts409_nor_flash_resource = {
103	.flags	= IORESOURCE_MEM,
104	.start	= QNAP_TS409_NOR_BOOT_BASE,
105	.end	= QNAP_TS409_NOR_BOOT_BASE + QNAP_TS409_NOR_BOOT_SIZE - 1,
106};
107
108static struct platform_device qnap_ts409_nor_flash = {
109	.name		= "physmap-flash",
110	.id		= 0,
111	.dev		= { .platform_data = &qnap_ts409_nor_flash_data, },
112	.num_resources	= 1,
113	.resource	= &qnap_ts409_nor_flash_resource,
114};
115
116/*****************************************************************************
117 * PCI
118 ****************************************************************************/
119
120static int __init qnap_ts409_pci_map_irq(const struct pci_dev *dev, u8 slot,
121	u8 pin)
122{
123	int irq;
124
125	/*
126	 * Check for devices with hard-wired IRQs.
127	 */
128	irq = orion5x_pci_map_irq(dev, slot, pin);
129	if (irq != -1)
130		return irq;
131
132	/*
133	 * PCI isn't used on the TS-409
134	 */
135	return -1;
136}
137
138static struct hw_pci qnap_ts409_pci __initdata = {
139	.nr_controllers	= 2,
140	.setup		= orion5x_pci_sys_setup,
141	.scan		= orion5x_pci_sys_scan_bus,
142	.map_irq	= qnap_ts409_pci_map_irq,
143};
144
145static int __init qnap_ts409_pci_init(void)
146{
147	if (machine_is_ts409())
148		pci_common_init(&qnap_ts409_pci);
149
150	return 0;
151}
152
153subsys_initcall(qnap_ts409_pci_init);
154
155/*****************************************************************************
156 * RTC S35390A on I2C bus
157 ****************************************************************************/
158
159#define TS409_RTC_GPIO	10
160
161static struct i2c_board_info __initdata qnap_ts409_i2c_rtc = {
162	I2C_BOARD_INFO("s35390a", 0x30),
163};
164
165/*****************************************************************************
166 * LEDs attached to GPIO
167 ****************************************************************************/
168
169static struct gpio_led ts409_led_pins[] = {
170	{
171		.name		= "ts409:red:sata1",
172	}, {
173		.name		= "ts409:red:sata2",
174	}, {
175		.name		= "ts409:red:sata3",
176	}, {
177		.name		= "ts409:red:sata4",
178	},
179};
180
181static struct gpiod_lookup_table ts409_leds_gpio_table = {
182	.dev_id = "leds-gpio",
183	.table = {
184		GPIO_LOOKUP_IDX("orion_gpio0", 4, NULL,
185				0, GPIO_ACTIVE_LOW),
186		GPIO_LOOKUP_IDX("orion_gpio0", 5, NULL,
187				1, GPIO_ACTIVE_LOW),
188		GPIO_LOOKUP_IDX("orion_gpio0", 6, NULL,
189				2, GPIO_ACTIVE_LOW),
190		GPIO_LOOKUP_IDX("orion_gpio0", 7, NULL,
191				3, GPIO_ACTIVE_LOW),
192		{ },
193	},
194};
195
196static struct gpio_led_platform_data ts409_led_data = {
197	.leds		= ts409_led_pins,
198	.num_leds	= ARRAY_SIZE(ts409_led_pins),
199};
200
201static struct platform_device ts409_leds = {
202	.name	= "leds-gpio",
203	.id	= -1,
204	.dev	= {
205		.platform_data	= &ts409_led_data,
206	},
207};
208
209/****************************************************************************
210 * GPIO Attached Keys
211 *     Power button is attached to the PIC microcontroller
212 ****************************************************************************/
213
214#define QNAP_TS409_GPIO_KEY_RESET	14
215#define QNAP_TS409_GPIO_KEY_MEDIA	15
216
217static struct gpio_keys_button qnap_ts409_buttons[] = {
218	{
219		.code		= KEY_RESTART,
220		.gpio		= QNAP_TS409_GPIO_KEY_RESET,
221		.desc		= "Reset Button",
222		.active_low	= 1,
223	}, {
224		.code		= KEY_COPY,
225		.gpio		= QNAP_TS409_GPIO_KEY_MEDIA,
226		.desc		= "USB Copy Button",
227		.active_low	= 1,
228	},
229};
230
231static struct gpio_keys_platform_data qnap_ts409_button_data = {
232	.buttons	= qnap_ts409_buttons,
233	.nbuttons	= ARRAY_SIZE(qnap_ts409_buttons),
234};
235
236static struct platform_device qnap_ts409_button_device = {
237	.name		= "gpio-keys",
238	.id		= -1,
239	.num_resources	= 0,
240	.dev		= {
241		.platform_data	= &qnap_ts409_button_data,
242	},
243};
244
245/*****************************************************************************
246 * General Setup
247 ****************************************************************************/
248static unsigned int ts409_mpp_modes[] __initdata = {
249	MPP0_UNUSED,
250	MPP1_UNUSED,
251	MPP2_UNUSED,
252	MPP3_UNUSED,
253	MPP4_GPIO,		/* HDD 1 status */
254	MPP5_GPIO,		/* HDD 2 status */
255	MPP6_GPIO,		/* HDD 3 status */
256	MPP7_GPIO,		/* HDD 4 status */
257	MPP8_UNUSED,
258	MPP9_UNUSED,
259	MPP10_GPIO,		/* RTC int */
260	MPP11_UNUSED,
261	MPP12_UNUSED,
262	MPP13_UNUSED,
263	MPP14_GPIO,		/* SW_RST */
264	MPP15_GPIO,		/* USB copy button */
265	MPP16_UART,		/* UART1 RXD */
266	MPP17_UART,		/* UART1 TXD */
267	MPP18_UNUSED,
268	MPP19_UNUSED,
269	0,
270};
271
272static void __init qnap_ts409_init(void)
273{
274	/*
275	 * Setup basic Orion functions. Need to be called early.
276	 */
277	orion5x_init();
278
279	orion5x_mpp_conf(ts409_mpp_modes);
280
281	/*
282	 * Configure peripherals.
283	 */
284	mvebu_mbus_add_window_by_id(ORION_MBUS_DEVBUS_BOOT_TARGET,
285				    ORION_MBUS_DEVBUS_BOOT_ATTR,
286				    QNAP_TS409_NOR_BOOT_BASE,
287				    QNAP_TS409_NOR_BOOT_SIZE);
288	platform_device_register(&qnap_ts409_nor_flash);
289
290	orion5x_ehci0_init();
291	qnap_tsx09_find_mac_addr(QNAP_TS409_NOR_BOOT_BASE +
292				 qnap_ts409_partitions[5].offset,
293				 qnap_ts409_partitions[5].size);
294	orion5x_eth_init(&qnap_tsx09_eth_data);
295	orion5x_i2c_init();
296	orion5x_uart0_init();
297	orion5x_uart1_init();
298
299	platform_device_register(&qnap_ts409_button_device);
300
301	/* Get RTC IRQ and register the chip */
302	if (gpio_request(TS409_RTC_GPIO, "rtc") == 0) {
303		if (gpio_direction_input(TS409_RTC_GPIO) == 0)
304			qnap_ts409_i2c_rtc.irq = gpio_to_irq(TS409_RTC_GPIO);
305		else
306			gpio_free(TS409_RTC_GPIO);
307	}
308	if (qnap_ts409_i2c_rtc.irq == 0)
309		pr_warn("qnap_ts409_init: failed to get RTC IRQ\n");
310	i2c_register_board_info(0, &qnap_ts409_i2c_rtc, 1);
311	gpiod_add_lookup_table(&ts409_leds_gpio_table);
312	platform_device_register(&ts409_leds);
313
314	/* register tsx09 specific power-off method */
315	register_platform_power_off(qnap_tsx09_power_off);
316}
317
318MACHINE_START(TS409, "QNAP TS-409")
319	/* Maintainer:  Sylver Bruneau <sylver.bruneau@gmail.com> */
320	.atag_offset	= 0x100,
321	.nr_irqs	= ORION5X_NR_IRQS,
322	.init_machine	= qnap_ts409_init,
323	.map_io		= orion5x_map_io,
324	.init_early	= orion5x_init_early,
325	.init_irq	= orion5x_init_irq,
326	.init_time	= orion5x_timer_init,
327	.fixup		= tag_fixup_mem32,
328	.restart	= orion5x_restart,
329MACHINE_END