1 /*
2 *
3 * QNAP TS-119/TS-219 Turbo NAS Board Setup
4 *
5 * Copyright (C) 2009 Martin Michlmayr <tbm@cyrius.com>
6 * Copyright (C) 2008 Byron Bradley <byron.bbradley@gmail.com>
7 *
8 * This program is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU General Public License
10 * as published by the Free Software Foundation; either version
11 * 2 of the License, or (at your option) any later version.
12 */
13
14 #include <linux/kernel.h>
15 #include <linux/init.h>
16 #include <linux/platform_device.h>
17 #include <linux/mtd/physmap.h>
18 #include <linux/spi/flash.h>
19 #include <linux/spi/spi.h>
20 #include <linux/spi/orion_spi.h>
21 #include <linux/i2c.h>
22 #include <linux/mv643xx_eth.h>
23 #include <linux/ata_platform.h>
24 #include <linux/gpio_keys.h>
25 #include <linux/input.h>
26 #include <linux/timex.h>
27 #include <linux/serial_reg.h>
28 #include <linux/pci.h>
29 #include <asm/mach-types.h>
30 #include <asm/mach/arch.h>
31 #include <mach/kirkwood.h>
32 #include "common.h"
33 #include "mpp.h"
34
35 /****************************************************************************
36 * 16 MiB 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 * the QNAP firmware.
39 * Layout as used by QNAP:
40 * 0x00000000-0x00080000 : "U-Boot"
41 * 0x00200000-0x00400000 : "Kernel"
42 * 0x00400000-0x00d00000 : "RootFS"
43 * 0x00d00000-0x01000000 : "RootFS2"
44 * 0x00080000-0x000c0000 : "U-Boot Config"
45 * 0x000c0000-0x00200000 : "NAS Config"
46 *
47 * We'll use "RootFS1" instead of "RootFS" to stay compatible with the layout
48 * used by the QNAP TS-109/TS-209.
49 *
50 ***************************************************************************/
51
52 static struct mtd_partition qnap_ts219_partitions[] = {
53 {
54 .name = "U-Boot",
55 .size = 0x00080000,
56 .offset = 0,
57 .mask_flags = MTD_WRITEABLE,
58 }, {
59 .name = "Kernel",
60 .size = 0x00200000,
61 .offset = 0x00200000,
62 }, {
63 .name = "RootFS1",
64 .size = 0x00900000,
65 .offset = 0x00400000,
66 }, {
67 .name = "RootFS2",
68 .size = 0x00300000,
69 .offset = 0x00d00000,
70 }, {
71 .name = "U-Boot Config",
72 .size = 0x00040000,
73 .offset = 0x00080000,
74 }, {
75 .name = "NAS Config",
76 .size = 0x00140000,
77 .offset = 0x000c0000,
78 },
79 };
80
81 static const struct flash_platform_data qnap_ts219_flash = {
82 .type = "m25p128",
83 .name = "spi_flash",
84 .parts = qnap_ts219_partitions,
85 .nr_parts = ARRAY_SIZE(qnap_ts219_partitions),
86 };
87
88 static struct spi_board_info __initdata qnap_ts219_spi_slave_info[] = {
89 {
90 .modalias = "m25p80",
91 .platform_data = &qnap_ts219_flash,
92 .irq = -1,
93 .max_speed_hz = 20000000,
94 .bus_num = 0,
95 .chip_select = 0,
96 },
97 };
98
99 static struct i2c_board_info __initdata qnap_ts219_i2c_rtc = {
100 I2C_BOARD_INFO("s35390a", 0x30),
101 };
102
103 static struct mv643xx_eth_platform_data qnap_ts219_ge00_data = {
104 .phy_addr = MV643XX_ETH_PHY_ADDR(8),
105 };
106
107 static struct mv_sata_platform_data qnap_ts219_sata_data = {
108 .n_ports = 2,
109 };
110
111 static struct gpio_keys_button qnap_ts219_buttons[] = {
112 {
113 .code = KEY_COPY,
114 .gpio = 15,
115 .desc = "USB Copy",
116 .active_low = 1,
117 },
118 {
119 .code = KEY_RESTART,
120 .gpio = 16,
121 .desc = "Reset",
122 .active_low = 1,
123 },
124 };
125
126 static struct gpio_keys_platform_data qnap_ts219_button_data = {
127 .buttons = qnap_ts219_buttons,
128 .nbuttons = ARRAY_SIZE(qnap_ts219_buttons),
129 };
130
131 static struct platform_device qnap_ts219_button_device = {
132 .name = "gpio-keys",
133 .id = -1,
134 .num_resources = 0,
135 .dev = {
136 .platform_data = &qnap_ts219_button_data,
137 }
138 };
139
140 static unsigned int qnap_ts219_mpp_config[] __initdata = {
141 MPP0_SPI_SCn,
142 MPP1_SPI_MOSI,
143 MPP2_SPI_SCK,
144 MPP3_SPI_MISO,
145 MPP4_SATA1_ACTn,
146 MPP5_SATA0_ACTn,
147 MPP8_TW_SDA,
148 MPP9_TW_SCK,
149 MPP10_UART0_TXD,
150 MPP11_UART0_RXD,
151 MPP13_UART1_TXD, /* PIC controller */
152 MPP14_UART1_RXD, /* PIC controller */
153 MPP15_GPIO, /* USB Copy button */
154 MPP16_GPIO, /* Reset button */
155 0
156 };
157
158
159 /*****************************************************************************
160 * QNAP TS-x19 specific power off method via UART1-attached PIC
161 ****************************************************************************/
162
163 #define UART1_REG(x) (UART1_VIRT_BASE + ((UART_##x) << 2))
164
165 void qnap_ts219_power_off(void)
166 {
167 /* 19200 baud divisor */
168 const unsigned divisor = ((kirkwood_tclk + (8 * 19200)) / (16 * 19200));
169
170 pr_info("%s: triggering power-off...\n", __func__);
171
172 /* hijack UART1 and reset into sane state (19200,8n1) */
173 writel(0x83, UART1_REG(LCR));
174 writel(divisor & 0xff, UART1_REG(DLL));
175 writel((divisor >> 8) & 0xff, UART1_REG(DLM));
176 writel(0x03, UART1_REG(LCR));
177 writel(0x00, UART1_REG(IER));
178 writel(0x00, UART1_REG(FCR));
179 writel(0x00, UART1_REG(MCR));
180
181 /* send the power-off command 'A' to PIC */
182 writel('A', UART1_REG(TX));
183 }
184
185 static void __init qnap_ts219_init(void)
186 {
187 /*
188 * Basic setup. Needs to be called early.
189 */
190 kirkwood_init();
191 kirkwood_mpp_conf(qnap_ts219_mpp_config);
192
193 kirkwood_uart0_init();
194 kirkwood_uart1_init(); /* A PIC controller is connected here. */
195 spi_register_board_info(qnap_ts219_spi_slave_info,
196 ARRAY_SIZE(qnap_ts219_spi_slave_info));
197 kirkwood_spi_init();
198 kirkwood_i2c_init();
199 i2c_register_board_info(0, &qnap_ts219_i2c_rtc, 1);
200 kirkwood_ge00_init(&qnap_ts219_ge00_data);
201 kirkwood_sata_init(&qnap_ts219_sata_data);
202 kirkwood_ehci_init();
203 platform_device_register(&qnap_ts219_button_device);
204
205 pm_power_off = qnap_ts219_power_off;
206
207 }
208
209 static int __init ts219_pci_init(void)
210 {
211 if (machine_is_ts219())
212 kirkwood_pcie_init();
213
214 return 0;
215 }
216 subsys_initcall(ts219_pci_init);
217
218 MACHINE_START(TS219, "QNAP TS-119/TS-219")
219 /* Maintainer: Martin Michlmayr <tbm@cyrius.com> */
220 .phys_io = KIRKWOOD_REGS_PHYS_BASE,
221 .io_pg_offst = ((KIRKWOOD_REGS_VIRT_BASE) >> 18) & 0xfffc,
222 .boot_params = 0x00000100,
223 .init_machine = qnap_ts219_init,
224 .map_io = kirkwood_map_io,
225 .init_irq = kirkwood_init_irq,
226 .timer = &kirkwood_timer,
227 MACHINE_END
228
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