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19#include <linux/kernel.h>
20#include <linux/init.h>
21#include <linux/platform_device.h>
22#include <linux/mtd/mtd.h>
23#include <linux/mtd/partitions.h>
24#include <linux/mtd/onenand.h>
25#include <linux/delay.h>
26#include <linux/leds.h>
27#include <linux/err.h>
28#include <linux/clk.h>
29
30#include <mach/hardware.h>
31#include <asm/mach-types.h>
32#include <asm/mach/arch.h>
33#include <asm/mach/flash.h>
34
35#include <mach/gpio.h>
36#include <mach/led.h>
37#include <mach/mux.h>
38#include <mach/usb.h>
39#include <mach/board.h>
40#include <mach/common.h>
41#include <mach/gpmc.h>
42#include <mach/control.h>
43
44
45#define LED0_GPIO13 13
46#define LED1_GPIO14 14
47#define LED2_GPIO15 15
48#define SW_ENTER_GPIO16 16
49#define SW_UP_GPIO17 17
50#define SW_DOWN_GPIO58 58
51
52#define APOLLON_FLASH_CS 0
53#define APOLLON_ETH_CS 1
54#define APOLLON_ETHR_GPIO_IRQ 74
55
56static struct mtd_partition apollon_partitions[] = {
57 {
58 .name = "X-Loader + U-Boot",
59 .offset = 0,
60 .size = SZ_128K,
61 .mask_flags = MTD_WRITEABLE,
62 },
63 {
64 .name = "params",
65 .offset = MTDPART_OFS_APPEND,
66 .size = SZ_128K,
67 },
68 {
69 .name = "kernel",
70 .offset = MTDPART_OFS_APPEND,
71 .size = SZ_2M,
72 },
73 {
74 .name = "rootfs",
75 .offset = MTDPART_OFS_APPEND,
76 .size = SZ_16M,
77 },
78 {
79 .name = "filesystem00",
80 .offset = MTDPART_OFS_APPEND,
81 .size = SZ_32M,
82 },
83 {
84 .name = "filesystem01",
85 .offset = MTDPART_OFS_APPEND,
86 .size = MTDPART_SIZ_FULL,
87 },
88};
89
90static struct onenand_platform_data apollon_flash_data = {
91 .parts = apollon_partitions,
92 .nr_parts = ARRAY_SIZE(apollon_partitions),
93};
94
95static struct resource apollon_flash_resource[] = {
96 [0] = {
97 .flags = IORESOURCE_MEM,
98 },
99};
100
101static struct platform_device apollon_onenand_device = {
102 .name = "onenand-flash",
103 .id = -1,
104 .dev = {
105 .platform_data = &apollon_flash_data,
106 },
107 .num_resources = ARRAY_SIZE(apollon_flash_resource),
108 .resource = apollon_flash_resource,
109};
110
111static void __init apollon_flash_init(void)
112{
113 unsigned long base;
114
115 if (gpmc_cs_request(APOLLON_FLASH_CS, SZ_128K, &base) < 0) {
116 printk(KERN_ERR "Cannot request OneNAND GPMC CS\n");
117 return;
118 }
119 apollon_flash_resource[0].start = base;
120 apollon_flash_resource[0].end = base + SZ_128K - 1;
121}
122
123static struct resource apollon_smc91x_resources[] = {
124 [0] = {
125 .flags = IORESOURCE_MEM,
126 },
127 [1] = {
128 .start = OMAP_GPIO_IRQ(APOLLON_ETHR_GPIO_IRQ),
129 .end = OMAP_GPIO_IRQ(APOLLON_ETHR_GPIO_IRQ),
130 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE,
131 },
132};
133
134static struct platform_device apollon_smc91x_device = {
135 .name = "smc91x",
136 .id = -1,
137 .num_resources = ARRAY_SIZE(apollon_smc91x_resources),
138 .resource = apollon_smc91x_resources,
139};
140
141static struct platform_device apollon_lcd_device = {
142 .name = "apollon_lcd",
143 .id = -1,
144};
145
146static struct omap_led_config apollon_led_config[] = {
147 {
148 .cdev = {
149 .name = "apollon:led0",
150 },
151 .gpio = LED0_GPIO13,
152 },
153 {
154 .cdev = {
155 .name = "apollon:led1",
156 },
157 .gpio = LED1_GPIO14,
158 },
159 {
160 .cdev = {
161 .name = "apollon:led2",
162 },
163 .gpio = LED2_GPIO15,
164 },
165};
166
167static struct omap_led_platform_data apollon_led_data = {
168 .nr_leds = ARRAY_SIZE(apollon_led_config),
169 .leds = apollon_led_config,
170};
171
172static struct platform_device apollon_led_device = {
173 .name = "omap-led",
174 .id = -1,
175 .dev = {
176 .platform_data = &apollon_led_data,
177 },
178};
179
180static struct platform_device *apollon_devices[] __initdata = {
181 &apollon_onenand_device,
182 &apollon_smc91x_device,
183 &apollon_lcd_device,
184 &apollon_led_device,
185};
186
187static inline void __init apollon_init_smc91x(void)
188{
189 unsigned long base;
190
191 unsigned int rate;
192 struct clk *gpmc_fck;
193 int eth_cs;
194
195 gpmc_fck = clk_get(NULL, "gpmc_fck");
196 if (IS_ERR(gpmc_fck)) {
197 WARN_ON(1);
198 return;
199 }
200
201 clk_enable(gpmc_fck);
202 rate = clk_get_rate(gpmc_fck);
203
204 eth_cs = APOLLON_ETH_CS;
205
206
207 gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG1, 0x00011200);
208
209 if (rate >= 160000000) {
210 gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG2, 0x001f1f01);
211 gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG3, 0x00080803);
212 gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG4, 0x1c0b1c0a);
213 gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG5, 0x041f1F1F);
214 gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG6, 0x000004C4);
215 } else if (rate >= 130000000) {
216 gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG2, 0x001f1f00);
217 gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG3, 0x00080802);
218 gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG4, 0x1C091C09);
219 gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG5, 0x041f1F1F);
220 gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG6, 0x000004C4);
221 } else {
222 gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG2, 0x001f1f00);
223 gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG3, 0x00080802);
224 gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG4, 0x1C091C09);
225 gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG5, 0x031A1F1F);
226 gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG6, 0x000003C2);
227 }
228
229 if (gpmc_cs_request(APOLLON_ETH_CS, SZ_16M, &base) < 0) {
230 printk(KERN_ERR "Failed to request GPMC CS for smc91x\n");
231 goto out;
232 }
233 apollon_smc91x_resources[0].start = base + 0x300;
234 apollon_smc91x_resources[0].end = base + 0x30f;
235 udelay(100);
236
237 omap_cfg_reg(W4__24XX_GPIO74);
238 if (gpio_request(APOLLON_ETHR_GPIO_IRQ, "SMC91x irq") < 0) {
239 printk(KERN_ERR "Failed to request GPIO%d for smc91x IRQ\n",
240 APOLLON_ETHR_GPIO_IRQ);
241 gpmc_cs_free(APOLLON_ETH_CS);
242 goto out;
243 }
244 gpio_direction_input(APOLLON_ETHR_GPIO_IRQ);
245
246out:
247 clk_disable(gpmc_fck);
248 clk_put(gpmc_fck);
249}
250
251static struct omap_usb_config apollon_usb_config __initdata = {
252 .register_dev = 1,
253 .hmc_mode = 0x14,
254
255 .pins[0] = 6,
256};
257
258static struct omap_lcd_config apollon_lcd_config __initdata = {
259 .ctrl_name = "internal",
260};
261
262static struct omap_board_config_kernel apollon_config[] = {
263 { OMAP_TAG_LCD, &apollon_lcd_config },
264};
265
266static void __init omap_apollon_init_irq(void)
267{
268 omap_board_config = apollon_config;
269 omap_board_config_size = ARRAY_SIZE(apollon_config);
270 omap2_init_common_hw(NULL, NULL);
271 omap_init_irq();
272 omap_gpio_init();
273 apollon_init_smc91x();
274}
275
276static void __init apollon_led_init(void)
277{
278
279 omap_cfg_reg(AA10_242X_GPIO13);
280 gpio_request(LED0_GPIO13, "LED0");
281 gpio_direction_output(LED0_GPIO13, 0);
282
283 omap_cfg_reg(AA6_242X_GPIO14);
284 gpio_request(LED1_GPIO14, "LED1");
285 gpio_direction_output(LED1_GPIO14, 0);
286
287 omap_cfg_reg(AA4_242X_GPIO15);
288 gpio_request(LED2_GPIO15, "LED2");
289 gpio_direction_output(LED2_GPIO15, 0);
290}
291
292static void __init apollon_usb_init(void)
293{
294
295
296 omap_cfg_reg(P21_242X_GPIO12);
297 gpio_request(12, "USB suspend");
298 gpio_direction_output(12, 0);
299 omap_usb_init(&apollon_usb_config);
300}
301
302static void __init omap_apollon_init(void)
303{
304 u32 v;
305
306 apollon_led_init();
307 apollon_flash_init();
308 apollon_usb_init();
309
310
311 omap_cfg_reg(W19_24XX_SYS_NIRQ);
312
313
314 v = omap_ctrl_readl(OMAP2_CONTROL_DEVCONF0);
315 v |= (1 << 24);
316 omap_ctrl_writel(v, OMAP2_CONTROL_DEVCONF0);
317
318
319
320
321
322
323 platform_add_devices(apollon_devices, ARRAY_SIZE(apollon_devices));
324 omap_serial_init();
325}
326
327static void __init omap_apollon_map_io(void)
328{
329 omap2_set_globals_242x();
330 omap2_map_common_io();
331}
332
333MACHINE_START(OMAP_APOLLON, "OMAP24xx Apollon")
334
335 .phys_io = 0x48000000,
336 .io_pg_offst = ((0xd8000000) >> 18) & 0xfffc,
337 .boot_params = 0x80000100,
338 .map_io = omap_apollon_map_io,
339 .init_irq = omap_apollon_init_irq,
340 .init_machine = omap_apollon_init,
341 .timer = &omap_timer,
342MACHINE_END
343
