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
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
|
arch/arm/mach-ixp4xx/ds101-setup.c | 287 +++++++++++++++++++++++++++++++++++++
1 file changed, 287 insertions(+)
Index: linux-2.6.15/arch/arm/mach-ixp4xx/ds101-setup.c
===================================================================
--- /dev/null 1970-01-01 00:00:00.000000000 +0000
+++ linux-2.6.15/arch/arm/mach-ixp4xx/ds101-setup.c 2006-02-16 19:44:23.000000000 +0100
@@ -0,0 +1,246 @@
+/*
+ * arch/arm/mach-ixp4xx/ds101-setup.c
+ *
+ * DS 101 board-setup
+ *
+ * based ixdp425-setup.c:
+ * Copyright (C) 2003-2004 MontaVista Software, Inc.
+ *
+ * Author: Alessandro Zummo <a.zummo@towertech.it>
+ * Author: Rod Whitby <rod@whitby.id.au>
+ * Author: OEyvind Repvik <oyvind@repvik.org>
+ * Maintainers: http://www.nslu2-linux.org/
+ *
+ */
+
+#include <linux/kernel.h>
+#include <linux/serial.h>
+#include <linux/serial_8250.h>
+/* #include <linux/mtd/mtd.h> */
+#include <linux/leds.h>
+#include <linux/pci.h>
+
+#include <asm/setup.h>
+#include <asm/memory.h>
+#include <asm/mach-types.h>
+#include <asm/mach/arch.h>
+#include <asm/mach/flash.h>
+
+#ifdef CONFIG_MACLIST
+#include <net/maclist.h>
+#endif
+
+#ifdef CONFIG_LEDS_CLASS
+static struct resource ds101_led_resources[] = {
+ {
+ .name = "power",
+ .start = DS101_POWER_LED,
+ .end = DS101_POWER_LED,
+ .flags = IXP4XX_GPIO_LOW,
+ },
+ {
+ .name = "usbcopy-solid",
+ .start = DS101_USBCOPY_SOLID_LED,
+ .end = DS101_USBCOPY_SOLID_LED,
+ .flags = IXP4XX_GPIO_LOW,
+ },
+ {
+ .name = "usbcopy-blink",
+ .start = DS101_USBCOPY_BLINK_LED,
+ .end = DS101_USBCOPY_BLINK_LED,
+ .flags = IXP4XX_GPIO_LOW,
+ },
+ {
+ .name = "status-ready",
+ .start = DS101_STATUSOK_LED,
+ .end = DS101_STATUSOK_LED,
+ .flags = IXP4XX_GPIO_LOW,
+ },
+ {
+ .name = "status-error",
+ .start = DS101_STATUSBAD_LED,
+ .start = DS101_STATUSBAD_LED,
+ .flags = IXP4XX_GPIO_LOW,
+ }
+};
+
+
+static struct platform_device ds101_leds = {
+ .name = "IXP4XX-GPIO-LED",
+ .id = -1,
+ .num_resources = ARRAY_SIZE(ds101_led_resources),
+ .resource = ds101_led_resources,
+};
+#endif
+
+static struct ixp4xx_i2c_pins ds101_i2c_gpio_pins = {
+ .sda_pin = DS101_SDA_PIN,
+ .scl_pin = DS101_SCL_PIN,
+};
+
+static struct platform_device ds101_i2c_controller = {
+ .name = "IXP4XX-I2C",
+ .id = 0,
+ .dev.platform_data = &ds101_i2c_gpio_pins,
+ .num_resources = 0,
+};
+
+static struct platform_device ds101_beeper = {
+ .name = "ixp4xx-beeper",
+ .id = DS101_GPIO_BUZZ,
+ .num_resources = 0,
+};
+
+static struct resource ds101_uart_resources[] = {
+ {
+ .start = IXP4XX_UART1_BASE_PHYS,
+ .end = IXP4XX_UART1_BASE_PHYS + 0x0fff,
+ .flags = IORESOURCE_MEM,
+ },
+ {
+ .start = IXP4XX_UART2_BASE_PHYS,
+ .end = IXP4XX_UART2_BASE_PHYS + 0x0fff,
+ .flags = IORESOURCE_MEM,
+ }
+};
+
+static struct plat_serial8250_port ds101_uart_data[] = {
+ {
+ .mapbase = IXP4XX_UART1_BASE_PHYS,
+ .membase = (char *)IXP4XX_UART1_BASE_VIRT + REG_OFFSET,
+ .irq = IRQ_IXP4XX_UART1,
+ .flags = UPF_BOOT_AUTOCONF,
+ .iotype = UPIO_MEM,
+ .regshift = 2,
+ .uartclk = IXP4XX_UART_XTAL,
+ },
+ {
+ .mapbase = IXP4XX_UART2_BASE_PHYS,
+ .membase = (char *)IXP4XX_UART2_BASE_VIRT + REG_OFFSET,
+ .irq = IRQ_IXP4XX_UART2,
+ .flags = UPF_BOOT_AUTOCONF,
+ .iotype = UPIO_MEM,
+ .regshift = 2,
+ .uartclk = IXP4XX_UART_XTAL,
+ },
+ { }
+};
+
+static struct platform_device ds101_uart = {
+ .name = "serial8250",
+ .id = PLAT8250_DEV_PLATFORM,
+ .dev.platform_data = ds101_uart_data,
+ .num_resources = 2,
+ .resource = ds101_uart_resources,
+};
+
+static struct platform_device *ds101_devices[] __initdata = {
+ &ds101_i2c_controller,
+ &ds101_beeper,
+};
+
+static void ds101_power_off(void)
+{
+ /* Simple, but effective */
+ gpio_line_set(DS101_POWEROFF_GPIO, IXP4XX_GPIO_LOW);
+}
+
+static void ds101_gpio_setup(void)
+{
+ /* Set up buzzer */
+ gpio_line_config(DS101_GPIO_BUZZ, DS101_GPIO_OUT);
+ gpio_line_set(DS101_GPIO_BUZZ, DS101_GPIO_LOW);
+
+ /* Set up powerled */
+ gpio_line_config(DS101_POWER_LED, DS101_GPIO_OUT);
+ gpio_line_set(DS101_POWER_LED, DS101_GPIO_LOW);
+
+ /* Poweroff */
+ gpio_line_config(DS101_POWEROFF_GPIO, DS101_GPIO_OUT);
+ gpio_line_set(DS101_POWEROFF_GPIO, DS101_GPIO_HIGH);
+
+ /* Status leds */
+ (*IXP4XX_GPIO_GPCLKR) = ((*IXP4XX_GPIO_GPCLKR) & ~DS101_GPIO_CLK0_ENABLE);
+ (*IXP4XX_GPIO_GPCLKR) = ((*IXP4XX_GPIO_GPCLKR) & ~DS101_GPIO_CLK1_ENABLE);
+ gpio_line_config(DS101_STATUSOK_LED, DS101_GPIO_OUT);
+ gpio_line_config(DS101_STATUSBAD_LED, DS101_GPIO_OUT);
+ gpio_line_set(DS101_STATUSOK_LED, DS101_GPIO_HIGH);
+ gpio_line_set(DS101_STATUSBAD_LED, DS101_GPIO_LOW);
+};
+
+static void ds101_cs0_setup(void)
+{
+ *IXP4XX_EXP_CS0 = DS101_EXP_CS0_INIT;
+};
+
+static void __init ds101_init(void)
+{
+ ixp4xx_sys_init();
+ ds101_cs0_setup(); /* Needed for DoC support */
+ ds101_gpio_setup();
+ pm_power_off = ds101_power_off;
+
+ /* This is only useful on a modified machine, but it is valuable
+ * to have it first in order to see debug messages, and so that
+ * it does *not* get removed if platform_add_devices fails!
+ */
+ (void)platform_device_register(&ds101_uart);
+ platform_add_devices(ds101_devices, ARRAY_SIZE(ds101_devices));
+#ifdef CONFIG_LEDS_CLASS
+ /* We don't care whether or not this works. */
+ (void)platform_device_register(&ds101_leds);
+#endif
+}
+
+/*
+ * DS101 bootstrap may pass in parameters, but we zap the mem
+ * settings to be safe (DS101 always has 64MByte at 0, DS101J has
+ * 32MB). The passed in command line can override this default, we
+ * prepend to the config'ed default.
+ *
+ * NOTE: the startup sequence is:
+ * 1) Call the machine fixup
+ * 2) Parse the ATAG list, the ATAG_CMDLINE is copied in
+ * to default_command_line which is the value of *from
+ * 3) Parse the command line in *from (*not*
+ * default_command_line unless they are the same!)
+ *
+ * Setting mi->nr_banks causes (2) to 'squash' (set to ATAG_NONE)
+ * any ATAG_MEM tags, but mem= command line options cause nr_banks
+ * to be reset to 0 (on the first mem=)
+ */
+
+static char ds101_command_line[] __initdata =
+ "root=/dev/sda1 rootfstype=ext3 init=/sbin/init "
+ "rtc-rs5c372.probe=0,0x32 "
+ CONFIG_CMDLINE;
+
+static void __init ds101_fixup(struct machine_desc *desc,
+ struct tag *tags, char **cmdline, struct meminfo *mi)
+{
+ /* The DS101 has one bank of 64MByte memory.
+ * NOTE: setting nr_banks != 0 causes kernel/setup.c to remove
+ * the mem tags from the tag list. We need do nothing here!
+ */
+ mi->nr_banks=1;
+ mi->bank[0].start = 0;
+ mi->bank[0].size = (64*1024*1024);
+ mi->bank[0].node = PHYS_TO_NID(0);
+ /* A command line in the ATAG list will override this one,
+ * as is intended.
+ */
+ strlcpy(*cmdline, ds101_command_line, COMMAND_LINE_SIZE);
+}
+
+MACHINE_START(DS101, "Synology DiskStation DS101")
+ /* Maintainer: www.nslu2-linux.org */
+ .phys_io = IXP4XX_PERIPHERAL_BASE_PHYS,
+ .io_pg_offst = ((IXP4XX_PERIPHERAL_BASE_VIRT) >> 18) & 0xFFFC,
+ .boot_params = 0x00000100,
+ .fixup = ds101_fixup,
+ .map_io = ixp4xx_map_io,
+ .init_irq = ixp4xx_init_irq,
+ .timer = &ixp4xx_timer,
+ .init_machine = ds101_init,
+MACHINE_END
+
|
