aboutsummaryrefslogtreecommitdiffstats
path: root/arch/arm/mach-kirkwood/ts219-setup.c
blob: ec1a64f263d224285b9478f04a3c79cf85e173b7 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
/*
 *
 * QNAP TS-119/TS-219 Turbo NAS Board Setup
 *
 * Copyright (C) 2009  Martin Michlmayr <tbm@cyrius.com>
 * Copyright (C) 2008  Byron Bradley <byron.bbradley@gmail.com>
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version
 * 2 of the License, or (at your option) any later version.
 */

#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/platform_device.h>
#include <linux/mtd/physmap.h>
#include <linux/spi/flash.h>
#include <linux/spi/spi.h>
#include <linux/spi/orion_spi.h>
#include <linux/i2c.h>
#include <linux/mv643xx_eth.h>
#include <linux/ata_platform.h>
#include <linux/gpio_keys.h>
#include <linux/input.h>
#include <linux/timex.h>
#include <linux/serial_reg.h>
#include <linux/pci.h>
#include <asm/mach-types.h>
#include <asm/mach/arch.h>
#include <mach/kirkwood.h>
#include "common.h"
#include "mpp.h"

/****************************************************************************
 * 16 MiB NOR flash. The struct mtd_partition is not in the same order as the
 *     partitions on the device because we want to keep compatability with
 *     the QNAP firmware.
 * Layout as used by QNAP:
 *  0x00000000-0x00080000 : "U-Boot"
 *  0x00200000-0x00400000 : "Kernel"
 *  0x00400000-0x00d00000 : "RootFS"
 *  0x00d00000-0x01000000 : "RootFS2"
 *  0x00080000-0x000c0000 : "U-Boot Config"
 *  0x000c0000-0x00200000 : "NAS Config"
 *
 * We'll use "RootFS1" instead of "RootFS" to stay compatible with the layout
 * used by the QNAP TS-109/TS-209.
 *
 ***************************************************************************/

static struct mtd_partition qnap_ts219_partitions[] = {
	{
		.name		= "U-Boot",
		.size		= 0x00080000,
		.offset		= 0,
		.mask_flags	= MTD_WRITEABLE,
	}, {
		.name		= "Kernel",
		.size		= 0x00200000,
		.offset		= 0x00200000,
	}, {
		.name		= "RootFS1",
		.size		= 0x00900000,
		.offset		= 0x00400000,
	}, {
		.name		= "RootFS2",
		.size		= 0x00300000,
		.offset		= 0x00d00000,
	}, {
		.name		= "U-Boot Config",
		.size		= 0x00040000,
		.offset		= 0x00080000,
	}, {
		.name		= "NAS Config",
		.size		= 0x00140000,
		.offset		= 0x000c0000,
	},
};

static const struct flash_platform_data qnap_ts219_flash = {
	.type		= "m25p128",
	.name		= "spi_flash",
	.parts		= qnap_ts219_partitions,
	.nr_parts	= ARRAY_SIZE(qnap_ts219_partitions),
};

static struct spi_board_info __initdata qnap_ts219_spi_slave_info[] = {
	{
		.modalias	= "m25p80",
		.platform_data	= &qnap_ts219_flash,
		.irq		= -1,
		.max_speed_hz	= 20000000,
		.bus_num	= 0,
		.chip_select	= 0,
	},
};

static struct i2c_board_info __initdata qnap_ts219_i2c_rtc = {
	I2C_BOARD_INFO("s35390a", 0x30),
};

static struct mv643xx_eth_platform_data qnap_ts219_ge00_data = {
	.phy_addr	= MV643XX_ETH_PHY_ADDR(8),
};

static struct mv_sata_platform_data qnap_ts219_sata_data = {
	.n_ports	= 2,
};

static struct gpio_keys_button qnap_ts219_buttons[] = {
	{
		.code		= KEY_COPY,
		.gpio		= 15,
		.desc		= "USB Copy",
		.active_low	= 1,
	},
	{
		.code		= KEY_RESTART,
		.gpio		= 16,
		.desc		= "Reset",
		.active_low	= 1,
	},
};

static struct gpio_keys_platform_data qnap_ts219_button_data = {
	.buttons	= qnap_ts219_buttons,
	.nbuttons	= ARRAY_SIZE(qnap_ts219_buttons),
};

static struct platform_device qnap_ts219_button_device = {
	.name		= "gpio-keys",
	.id		= -1,
	.num_resources	= 0,
	.dev		= {
		.platform_data	= &qnap_ts219_button_data,
	}
};

static unsigned int qnap_ts219_mpp_config[] __initdata = {
	MPP0_SPI_SCn,
	MPP1_SPI_MOSI,
	MPP2_SPI_SCK,
	MPP3_SPI_MISO,
	MPP4_SATA1_ACTn,
	MPP5_SATA0_ACTn,
	MPP8_TW_SDA,
	MPP9_TW_SCK,
	MPP10_UART0_TXD,
	MPP11_UART0_RXD,
	MPP13_UART1_TXD,	/* PIC controller */
	MPP14_UART1_RXD,	/* PIC controller */
	MPP15_GPIO,		/* USB Copy button */
	MPP16_GPIO,		/* Reset button */
	0
};


/*****************************************************************************
 * QNAP TS-x19 specific power off method via UART1-attached PIC
 ****************************************************************************/

#define UART1_REG(x)	(UART1_VIRT_BASE + ((UART_##x) << 2))

void qnap_ts219_power_off(void)
{
	/* 19200 baud divisor */
	const unsigned divisor = ((kirkwood_tclk + (8 * 19200)) / (16 * 19200));

	pr_info("%s: triggering power-off...\n", __func__);

	/* hijack UART1 and reset into sane state (19200,8n1) */
	writel(0x83, UART1_REG(LCR));
	writel(divisor & 0xff, UART1_REG(DLL));
	writel((divisor >> 8) & 0xff, UART1_REG(DLM));
	writel(0x03, UART1_REG(LCR));
	writel(0x00, UART1_REG(IER));
	writel(0x00, UART1_REG(FCR));
	writel(0x00, UART1_REG(MCR));

	/* send the power-off command 'A' to PIC */
	writel('A', UART1_REG(TX));
}

static void __init qnap_ts219_init(void)
{
	/*
	 * Basic setup. Needs to be called early.
	 */
	kirkwood_init();
	kirkwood_mpp_conf(qnap_ts219_mpp_config);

	kirkwood_uart0_init();
	kirkwood_uart1_init(); /* A PIC controller is connected here. */
	spi_register_board_info(qnap_ts219_spi_slave_info,
				ARRAY_SIZE(qnap_ts219_spi_slave_info));
	kirkwood_spi_init();
	kirkwood_i2c_init();
	i2c_register_board_info(0, &qnap_ts219_i2c_rtc, 1);
	kirkwood_ge00_init(&qnap_ts219_ge00_data);
	kirkwood_sata_init(&qnap_ts219_sata_data);
	kirkwood_ehci_init();
	platform_device_register(&qnap_ts219_button_device);

	pm_power_off = qnap_ts219_power_off;

}

static int __init ts219_pci_init(void)
{
   if (machine_is_ts219())
           kirkwood_pcie_init();

   return 0;
}
subsys_initcall(ts219_pci_init);

MACHINE_START(TS219, "QNAP TS-119/TS-219")
	/* Maintainer: Martin Michlmayr <tbm@cyrius.com> */
	.phys_io	= KIRKWOOD_REGS_PHYS_BASE,
	.io_pg_offst	= ((KIRKWOOD_REGS_VIRT_BASE) >> 18) & 0xfffc,
	.boot_params	= 0x00000100,
	.init_machine	= qnap_ts219_init,
	.map_io		= kirkwood_map_io,
	.init_irq	= kirkwood_init_irq,
	.timer		= &kirkwood_timer,
MACHINE_END