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18#include <linux/if_ether.h>
19#include <linux/irq.h>
20#include <linux/serial.h>
21#include <linux/serial_8250.h>
22#include <linux/leds.h>
23#include <linux/reboot.h>
24#include <linux/i2c.h>
25#include <linux/i2c-gpio.h>
26#include <linux/io.h>
27
28#include <asm/mach-types.h>
29#include <asm/mach/arch.h>
30#include <asm/mach/flash.h>
31#include <asm/gpio.h>
32
33static struct flash_platform_data fsg_flash_data = {
34 .map_name = "cfi_probe",
35 .width = 2,
36};
37
38static struct resource fsg_flash_resource = {
39 .flags = IORESOURCE_MEM,
40};
41
42static struct platform_device fsg_flash = {
43 .name = "IXP4XX-Flash",
44 .id = 0,
45 .dev = {
46 .platform_data = &fsg_flash_data,
47 },
48 .num_resources = 1,
49 .resource = &fsg_flash_resource,
50};
51
52static struct i2c_gpio_platform_data fsg_i2c_gpio_data = {
53 .sda_pin = FSG_SDA_PIN,
54 .scl_pin = FSG_SCL_PIN,
55};
56
57static struct platform_device fsg_i2c_gpio = {
58 .name = "i2c-gpio",
59 .id = 0,
60 .dev = {
61 .platform_data = &fsg_i2c_gpio_data,
62 },
63};
64
65static struct i2c_board_info __initdata fsg_i2c_board_info [] = {
66 {
67 I2C_BOARD_INFO("isl1208", 0x6f),
68 },
69};
70
71static struct resource fsg_uart_resources[] = {
72 {
73 .start = IXP4XX_UART1_BASE_PHYS,
74 .end = IXP4XX_UART1_BASE_PHYS + 0x0fff,
75 .flags = IORESOURCE_MEM,
76 },
77 {
78 .start = IXP4XX_UART2_BASE_PHYS,
79 .end = IXP4XX_UART2_BASE_PHYS + 0x0fff,
80 .flags = IORESOURCE_MEM,
81 }
82};
83
84static struct plat_serial8250_port fsg_uart_data[] = {
85 {
86 .mapbase = IXP4XX_UART1_BASE_PHYS,
87 .membase = (char *)IXP4XX_UART1_BASE_VIRT + REG_OFFSET,
88 .irq = IRQ_IXP4XX_UART1,
89 .flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST,
90 .iotype = UPIO_MEM,
91 .regshift = 2,
92 .uartclk = IXP4XX_UART_XTAL,
93 },
94 {
95 .mapbase = IXP4XX_UART2_BASE_PHYS,
96 .membase = (char *)IXP4XX_UART2_BASE_VIRT + REG_OFFSET,
97 .irq = IRQ_IXP4XX_UART2,
98 .flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST,
99 .iotype = UPIO_MEM,
100 .regshift = 2,
101 .uartclk = IXP4XX_UART_XTAL,
102 },
103 { }
104};
105
106static struct platform_device fsg_uart = {
107 .name = "serial8250",
108 .id = PLAT8250_DEV_PLATFORM,
109 .dev = {
110 .platform_data = fsg_uart_data,
111 },
112 .num_resources = ARRAY_SIZE(fsg_uart_resources),
113 .resource = fsg_uart_resources,
114};
115
116static struct platform_device fsg_leds = {
117 .name = "fsg-led",
118 .id = -1,
119};
120
121
122static struct eth_plat_info fsg_plat_eth[] = {
123 {
124 .phy = 5,
125 .rxq = 3,
126 .txreadyq = 20,
127 }, {
128 .phy = 4,
129 .rxq = 4,
130 .txreadyq = 21,
131 }
132};
133
134static struct platform_device fsg_eth[] = {
135 {
136 .name = "ixp4xx_eth",
137 .id = IXP4XX_ETH_NPEB,
138 .dev = {
139 .platform_data = fsg_plat_eth,
140 },
141 }, {
142 .name = "ixp4xx_eth",
143 .id = IXP4XX_ETH_NPEC,
144 .dev = {
145 .platform_data = fsg_plat_eth + 1,
146 },
147 }
148};
149
150static struct platform_device *fsg_devices[] __initdata = {
151 &fsg_i2c_gpio,
152 &fsg_flash,
153 &fsg_leds,
154 &fsg_eth[0],
155 &fsg_eth[1],
156};
157
158static irqreturn_t fsg_power_handler(int irq, void *dev_id)
159{
160
161
162
163 ctrl_alt_del();
164
165 return IRQ_HANDLED;
166}
167
168static irqreturn_t fsg_reset_handler(int irq, void *dev_id)
169{
170
171 printk(KERN_INFO "Restarting system.\n");
172 machine_restart(NULL);
173
174
175 return IRQ_HANDLED;
176}
177
178static void __init fsg_init(void)
179{
180 uint8_t __iomem *f;
181
182 ixp4xx_sys_init();
183
184 fsg_flash_resource.start = IXP4XX_EXP_BUS_BASE(0);
185 fsg_flash_resource.end =
186 IXP4XX_EXP_BUS_BASE(0) + ixp4xx_exp_bus_size - 1;
187
188 *IXP4XX_EXP_CS0 |= IXP4XX_FLASH_WRITABLE;
189 *IXP4XX_EXP_CS1 = *IXP4XX_EXP_CS0;
190
191
192 *IXP4XX_EXP_CS2 = 0xbfff0002;
193
194 i2c_register_board_info(0, fsg_i2c_board_info,
195 ARRAY_SIZE(fsg_i2c_board_info));
196
197
198
199
200
201 (void)platform_device_register(&fsg_uart);
202
203 platform_add_devices(fsg_devices, ARRAY_SIZE(fsg_devices));
204
205 if (request_irq(gpio_to_irq(FSG_RB_GPIO), &fsg_reset_handler,
206 IRQF_DISABLED | IRQF_TRIGGER_LOW,
207 "FSG reset button", NULL) < 0) {
208
209 printk(KERN_DEBUG "Reset Button IRQ %d not available\n",
210 gpio_to_irq(FSG_RB_GPIO));
211 }
212
213 if (request_irq(gpio_to_irq(FSG_SB_GPIO), &fsg_power_handler,
214 IRQF_DISABLED | IRQF_TRIGGER_LOW,
215 "FSG power button", NULL) < 0) {
216
217 printk(KERN_DEBUG "Power Button IRQ %d not available\n",
218 gpio_to_irq(FSG_SB_GPIO));
219 }
220
221
222
223
224
225
226 f = ioremap(IXP4XX_EXP_BUS_BASE(0), 0x400000);
227 if (f) {
228#ifdef __ARMEB__
229 int i;
230 for (i = 0; i < 6; i++) {
231 fsg_plat_eth[0].hwaddr[i] = readb(f + 0x3C0422 + i);
232 fsg_plat_eth[1].hwaddr[i] = readb(f + 0x3C043B + i);
233 }
234#else
235
236
237
238
239
240
241
242 fsg_plat_eth[0].hwaddr[0] = readb(f + 0x3C0421);
243 fsg_plat_eth[0].hwaddr[1] = readb(f + 0x3C0420);
244 fsg_plat_eth[0].hwaddr[2] = readb(f + 0x3C0427);
245 fsg_plat_eth[0].hwaddr[3] = readb(f + 0x3C0426);
246 fsg_plat_eth[0].hwaddr[4] = readb(f + 0x3C0425);
247 fsg_plat_eth[0].hwaddr[5] = readb(f + 0x3C0424);
248
249 fsg_plat_eth[1].hwaddr[0] = readb(f + 0x3C0439);
250 fsg_plat_eth[1].hwaddr[1] = readb(f + 0x3C043F);
251 fsg_plat_eth[1].hwaddr[2] = readb(f + 0x3C043E);
252 fsg_plat_eth[1].hwaddr[3] = readb(f + 0x3C043D);
253 fsg_plat_eth[1].hwaddr[4] = readb(f + 0x3C043C);
254 fsg_plat_eth[1].hwaddr[5] = readb(f + 0x3C0443);
255#endif
256 iounmap(f);
257 }
258 printk(KERN_INFO "FSG: Using MAC address %pM for port 0\n",
259 fsg_plat_eth[0].hwaddr);
260 printk(KERN_INFO "FSG: Using MAC address %pM for port 1\n",
261 fsg_plat_eth[1].hwaddr);
262
263}
264
265MACHINE_START(FSG, "Freecom FSG-3")
266
267 .phys_io = IXP4XX_PERIPHERAL_BASE_PHYS,
268 .io_pg_offst = ((IXP4XX_PERIPHERAL_BASE_VIRT) >> 18) & 0xfffc,
269 .map_io = ixp4xx_map_io,
270 .init_irq = ixp4xx_init_irq,
271 .timer = &ixp4xx_timer,
272 .boot_params = 0x0100,
273 .init_machine = fsg_init,
274MACHINE_END
275
276
