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15#include <linux/delay.h>
16#include <linux/platform_device.h>
17#include <linux/interrupt.h>
18#include <linux/irq.h>
19#include <linux/init.h>
20#include <linux/kernel.h>
21#include <linux/notifier.h>
22#include <linux/reboot.h>
23#include <linux/serial_8250.h>
24#include <linux/serial_reg.h>
25
26#include <mach/hardware.h>
27#include <asm/mach-types.h>
28#include <asm/mach/arch.h>
29#include <asm/mach/flash.h>
30#include <asm/mach/map.h>
31
32#include <mach/common.h>
33#include <mach/gpio.h>
34#include <mach/mux.h>
35#include <mach/tc.h>
36#include <mach/usb.h>
37
38static struct plat_serial8250_port voiceblue_ports[] = {
39 {
40 .mapbase = (unsigned long)(OMAP_CS1_PHYS + 0x40000),
41 .irq = OMAP_GPIO_IRQ(12),
42 .flags = UPF_BOOT_AUTOCONF | UPF_IOREMAP,
43 .iotype = UPIO_MEM,
44 .regshift = 1,
45 .uartclk = 3686400,
46 },
47 {
48 .mapbase = (unsigned long)(OMAP_CS1_PHYS + 0x50000),
49 .irq = OMAP_GPIO_IRQ(13),
50 .flags = UPF_BOOT_AUTOCONF | UPF_IOREMAP,
51 .iotype = UPIO_MEM,
52 .regshift = 1,
53 .uartclk = 3686400,
54 },
55 {
56 .mapbase = (unsigned long)(OMAP_CS1_PHYS + 0x60000),
57 .irq = OMAP_GPIO_IRQ(14),
58 .flags = UPF_BOOT_AUTOCONF | UPF_IOREMAP,
59 .iotype = UPIO_MEM,
60 .regshift = 1,
61 .uartclk = 3686400,
62 },
63 {
64 .mapbase = (unsigned long)(OMAP_CS1_PHYS + 0x70000),
65 .irq = OMAP_GPIO_IRQ(15),
66 .flags = UPF_BOOT_AUTOCONF | UPF_IOREMAP,
67 .iotype = UPIO_MEM,
68 .regshift = 1,
69 .uartclk = 3686400,
70 },
71 { },
72};
73
74static struct platform_device serial_device = {
75 .name = "serial8250",
76 .id = PLAT8250_DEV_PLATFORM1,
77 .dev = {
78 .platform_data = voiceblue_ports,
79 },
80};
81
82static int __init ext_uart_init(void)
83{
84 return platform_device_register(&serial_device);
85}
86arch_initcall(ext_uart_init);
87
88static struct flash_platform_data voiceblue_flash_data = {
89 .map_name = "cfi_probe",
90 .width = 2,
91};
92
93static struct resource voiceblue_flash_resource = {
94 .start = OMAP_CS0_PHYS,
95 .end = OMAP_CS0_PHYS + SZ_32M - 1,
96 .flags = IORESOURCE_MEM,
97};
98
99static struct platform_device voiceblue_flash_device = {
100 .name = "omapflash",
101 .id = 0,
102 .dev = {
103 .platform_data = &voiceblue_flash_data,
104 },
105 .num_resources = 1,
106 .resource = &voiceblue_flash_resource,
107};
108
109static struct resource voiceblue_smc91x_resources[] = {
110 [0] = {
111 .start = OMAP_CS2_PHYS + 0x300,
112 .end = OMAP_CS2_PHYS + 0x300 + 16,
113 .flags = IORESOURCE_MEM,
114 },
115 [1] = {
116 .start = OMAP_GPIO_IRQ(8),
117 .end = OMAP_GPIO_IRQ(8),
118 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE,
119 },
120};
121
122static struct platform_device voiceblue_smc91x_device = {
123 .name = "smc91x",
124 .id = 0,
125 .num_resources = ARRAY_SIZE(voiceblue_smc91x_resources),
126 .resource = voiceblue_smc91x_resources,
127};
128
129static struct platform_device *voiceblue_devices[] __initdata = {
130 &voiceblue_flash_device,
131 &voiceblue_smc91x_device,
132};
133
134static struct omap_usb_config voiceblue_usb_config __initdata = {
135 .hmc_mode = 3,
136 .register_host = 1,
137 .register_dev = 1,
138 .pins[0] = 2,
139 .pins[1] = 6,
140 .pins[2] = 6,
141};
142
143static struct omap_board_config_kernel voiceblue_config[] = {
144};
145
146static void __init voiceblue_init_irq(void)
147{
148 omap1_init_common_hw();
149 omap_init_irq();
150 omap_gpio_init();
151}
152
153static void __init voiceblue_init(void)
154{
155
156 omap_cfg_reg(UART1_TX);
157 omap_cfg_reg(UART1_RTS);
158 omap_cfg_reg(UART2_TX);
159 omap_cfg_reg(UART2_RTS);
160 omap_cfg_reg(UART3_TX);
161 omap_cfg_reg(UART3_RX);
162
163
164 gpio_request(0, "Watchdog");
165
166 gpio_request(7, "SMC91x reset");
167 gpio_direction_output(7, 1);
168 udelay(2);
169 gpio_set_value(7, 0);
170 mdelay(50);
171
172 gpio_request(8, "SMC91x irq");
173
174 gpio_request(6, "16C554 reset");
175 gpio_direction_output(6, 0);
176
177 gpio_request(12, "16C554 irq");
178 gpio_request(13, "16C554 irq");
179 gpio_request(14, "16C554 irq");
180 gpio_request(15, "16C554 irq");
181 set_irq_type(gpio_to_irq(12), IRQ_TYPE_EDGE_RISING);
182 set_irq_type(gpio_to_irq(13), IRQ_TYPE_EDGE_RISING);
183 set_irq_type(gpio_to_irq(14), IRQ_TYPE_EDGE_RISING);
184 set_irq_type(gpio_to_irq(15), IRQ_TYPE_EDGE_RISING);
185
186 platform_add_devices(voiceblue_devices, ARRAY_SIZE(voiceblue_devices));
187 omap_board_config = voiceblue_config;
188 omap_board_config_size = ARRAY_SIZE(voiceblue_config);
189 omap_serial_init();
190 omap_usb_init(&voiceblue_usb_config);
191 omap_register_i2c_bus(1, 100, NULL, 0);
192
193
194
195 omap_writeb(0x00, OMAP_LPG1_LCR);
196 omap_writeb(0x00, OMAP_LPG1_PMR);
197}
198
199static void __init voiceblue_map_io(void)
200{
201 omap1_map_common_io();
202}
203
204#define MACHINE_PANICED 1
205#define MACHINE_REBOOTING 2
206#define MACHINE_REBOOT 4
207static unsigned long machine_state;
208
209static int panic_event(struct notifier_block *this, unsigned long event,
210 void *ptr)
211{
212 if (test_and_set_bit(MACHINE_PANICED, &machine_state))
213 return NOTIFY_DONE;
214
215
216 omap_writeb(0x78, OMAP_LPG1_LCR);
217 omap_writeb(0x01, OMAP_LPG1_PMR);
218
219 return NOTIFY_DONE;
220}
221
222static struct notifier_block panic_block = {
223 .notifier_call = panic_event,
224};
225
226static int __init voiceblue_setup(void)
227{
228
229 atomic_notifier_chain_register(&panic_notifier_list, &panic_block);
230
231 return 0;
232}
233postcore_initcall(voiceblue_setup);
234
235static int wdt_gpio_state;
236
237void voiceblue_wdt_enable(void)
238{
239 gpio_direction_output(0, 0);
240 gpio_set_value(0, 1);
241 gpio_set_value(0, 0);
242 wdt_gpio_state = 0;
243}
244
245void voiceblue_wdt_disable(void)
246{
247 gpio_set_value(0, 0);
248 gpio_set_value(0, 1);
249 gpio_set_value(0, 0);
250 gpio_direction_input(0);
251}
252
253void voiceblue_wdt_ping(void)
254{
255 if (test_bit(MACHINE_REBOOT, &machine_state))
256 return;
257
258 wdt_gpio_state = !wdt_gpio_state;
259 gpio_set_value(0, wdt_gpio_state);
260}
261
262void voiceblue_reset(void)
263{
264 set_bit(MACHINE_REBOOT, &machine_state);
265 voiceblue_wdt_enable();
266 while (1) ;
267}
268
269EXPORT_SYMBOL(voiceblue_wdt_enable);
270EXPORT_SYMBOL(voiceblue_wdt_disable);
271EXPORT_SYMBOL(voiceblue_wdt_ping);
272
273MACHINE_START(VOICEBLUE, "VoiceBlue OMAP5910")
274
275 .phys_io = 0xfff00000,
276 .io_pg_offst = ((0xfef00000) >> 18) & 0xfffc,
277 .boot_params = 0x10000100,
278 .map_io = voiceblue_map_io,
279 .init_irq = voiceblue_init_irq,
280 .init_machine = voiceblue_init,
281 .timer = &omap_timer,
282MACHINE_END
283
