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14#include <linux/kernel.h>
15#include <linux/init.h>
16#include <linux/platform_device.h>
17#include <linux/mtd/mtd.h>
18#include <linux/mtd/partitions.h>
19#include <linux/delay.h>
20#include <linux/workqueue.h>
21#include <linux/i2c.h>
22#include <linux/i2c/at24.h>
23#include <linux/input.h>
24#include <linux/err.h>
25#include <linux/clk.h>
26#include <linux/io.h>
27
28#include <mach/hardware.h>
29#include <asm/mach-types.h>
30#include <asm/mach/arch.h>
31#include <asm/mach/map.h>
32#include <asm/mach/flash.h>
33
34#include <mach/control.h>
35#include <mach/gpio.h>
36#include <mach/mux.h>
37#include <mach/usb.h>
38#include <mach/board.h>
39#include <mach/common.h>
40#include <mach/keypad.h>
41#include <mach/menelaus.h>
42#include <mach/dma.h>
43#include <mach/gpmc.h>
44
45#define H4_FLASH_CS 0
46#define H4_SMC91X_CS 1
47
48#define H4_ETHR_GPIO_IRQ 92
49
50static unsigned int row_gpios[6] = { 88, 89, 124, 11, 6, 96 };
51static unsigned int col_gpios[7] = { 90, 91, 100, 36, 12, 97, 98 };
52
53static int h4_keymap[] = {
54 KEY(0, 0, KEY_LEFT),
55 KEY(0, 1, KEY_RIGHT),
56 KEY(0, 2, KEY_A),
57 KEY(0, 3, KEY_B),
58 KEY(0, 4, KEY_C),
59 KEY(1, 0, KEY_DOWN),
60 KEY(1, 1, KEY_UP),
61 KEY(1, 2, KEY_E),
62 KEY(1, 3, KEY_F),
63 KEY(1, 4, KEY_G),
64 KEY(2, 0, KEY_ENTER),
65 KEY(2, 1, KEY_I),
66 KEY(2, 2, KEY_J),
67 KEY(2, 3, KEY_K),
68 KEY(2, 4, KEY_3),
69 KEY(3, 0, KEY_M),
70 KEY(3, 1, KEY_N),
71 KEY(3, 2, KEY_O),
72 KEY(3, 3, KEY_P),
73 KEY(3, 4, KEY_Q),
74 KEY(4, 0, KEY_R),
75 KEY(4, 1, KEY_4),
76 KEY(4, 2, KEY_T),
77 KEY(4, 3, KEY_U),
78 KEY(4, 4, KEY_ENTER),
79 KEY(5, 0, KEY_V),
80 KEY(5, 1, KEY_W),
81 KEY(5, 2, KEY_L),
82 KEY(5, 3, KEY_S),
83 KEY(5, 4, KEY_ENTER),
84 0
85};
86
87static struct mtd_partition h4_partitions[] = {
88
89 {
90 .name = "bootloader",
91 .offset = 0,
92 .size = SZ_128K,
93 .mask_flags = MTD_WRITEABLE,
94 },
95
96 {
97 .name = "params",
98 .offset = MTDPART_OFS_APPEND,
99 .size = SZ_128K,
100 .mask_flags = 0,
101 },
102
103 {
104 .name = "kernel",
105 .offset = MTDPART_OFS_APPEND,
106 .size = SZ_2M,
107 .mask_flags = 0
108 },
109
110 {
111 .name = "filesystem",
112 .offset = MTDPART_OFS_APPEND,
113 .size = MTDPART_SIZ_FULL,
114 .mask_flags = 0
115 }
116};
117
118static struct flash_platform_data h4_flash_data = {
119 .map_name = "cfi_probe",
120 .width = 2,
121 .parts = h4_partitions,
122 .nr_parts = ARRAY_SIZE(h4_partitions),
123};
124
125static struct resource h4_flash_resource = {
126 .flags = IORESOURCE_MEM,
127};
128
129static struct platform_device h4_flash_device = {
130 .name = "omapflash",
131 .id = 0,
132 .dev = {
133 .platform_data = &h4_flash_data,
134 },
135 .num_resources = 1,
136 .resource = &h4_flash_resource,
137};
138
139static struct omap_kp_platform_data h4_kp_data = {
140 .rows = 6,
141 .cols = 7,
142 .keymap = h4_keymap,
143 .keymapsize = ARRAY_SIZE(h4_keymap),
144 .rep = 1,
145 .row_gpios = row_gpios,
146 .col_gpios = col_gpios,
147};
148
149static struct platform_device h4_kp_device = {
150 .name = "omap-keypad",
151 .id = -1,
152 .dev = {
153 .platform_data = &h4_kp_data,
154 },
155};
156
157static struct platform_device h4_lcd_device = {
158 .name = "lcd_h4",
159 .id = -1,
160};
161
162static struct platform_device *h4_devices[] __initdata = {
163 &h4_flash_device,
164 &h4_kp_device,
165 &h4_lcd_device,
166};
167
168
169static u32 get_sysboot_value(void)
170{
171 return (omap_ctrl_readl(OMAP24XX_CONTROL_STATUS) &
172 (OMAP2_SYSBOOT_5_MASK | OMAP2_SYSBOOT_4_MASK |
173 OMAP2_SYSBOOT_3_MASK | OMAP2_SYSBOOT_2_MASK |
174 OMAP2_SYSBOOT_1_MASK | OMAP2_SYSBOOT_0_MASK));
175}
176
177
178
179
180
181
182static u32 is_gpmc_muxed(void)
183{
184 u32 mux;
185 mux = get_sysboot_value();
186 if ((mux & 0xF) == 0xd)
187 return 1;
188 if (mux & 0x2)
189 return 1;
190 else
191 return 0;
192}
193
194static inline void __init h4_init_debug(void)
195{
196 int eth_cs;
197 unsigned long cs_mem_base;
198 unsigned int muxed, rate;
199 struct clk *gpmc_fck;
200
201 eth_cs = H4_SMC91X_CS;
202
203 gpmc_fck = clk_get(NULL, "gpmc_fck");
204 if (IS_ERR(gpmc_fck)) {
205 WARN_ON(1);
206 return;
207 }
208
209 clk_enable(gpmc_fck);
210 rate = clk_get_rate(gpmc_fck);
211 clk_disable(gpmc_fck);
212 clk_put(gpmc_fck);
213
214 if (is_gpmc_muxed())
215 muxed = 0x200;
216 else
217 muxed = 0;
218
219
220 gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG1,
221 0x00011000 | muxed);
222
223 if (rate >= 160000000) {
224 gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG2, 0x001f1f01);
225 gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG3, 0x00080803);
226 gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG4, 0x1c0b1c0a);
227 gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG5, 0x041f1F1F);
228 gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG6, 0x000004C4);
229 } else if (rate >= 130000000) {
230 gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG2, 0x001f1f00);
231 gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG3, 0x00080802);
232 gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG4, 0x1C091C09);
233 gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG5, 0x041f1F1F);
234 gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG6, 0x000004C4);
235 } else {
236 gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG2, 0x001f1f00);
237 gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG3, 0x00080802);
238 gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG4, 0x1C091C09);
239 gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG5, 0x031A1F1F);
240 gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG6, 0x000003C2);
241 }
242
243 if (gpmc_cs_request(eth_cs, SZ_16M, &cs_mem_base) < 0) {
244 printk(KERN_ERR "Failed to request GPMC mem for smc91x\n");
245 goto out;
246 }
247
248 udelay(100);
249
250 omap_cfg_reg(M15_24XX_GPIO92);
251 if (debug_card_init(cs_mem_base, H4_ETHR_GPIO_IRQ) < 0)
252 gpmc_cs_free(eth_cs);
253
254out:
255 clk_disable(gpmc_fck);
256 clk_put(gpmc_fck);
257}
258
259static void __init h4_init_flash(void)
260{
261 unsigned long base;
262
263 if (gpmc_cs_request(H4_FLASH_CS, SZ_64M, &base) < 0) {
264 printk("Can't request GPMC CS for flash\n");
265 return;
266 }
267 h4_flash_resource.start = base;
268 h4_flash_resource.end = base + SZ_64M - 1;
269}
270
271static struct omap_lcd_config h4_lcd_config __initdata = {
272 .ctrl_name = "internal",
273};
274
275static struct omap_usb_config h4_usb_config __initdata = {
276#ifdef CONFIG_MACH_OMAP2_H4_USB1
277
278 .pins[1] = 4,
279#endif
280
281#ifdef CONFIG_MACH_OMAP_H4_OTG
282
283
284
285
286 .otg = 1,
287 .pins[0] = 4,
288#ifdef CONFIG_USB_GADGET_OMAP
289
290 .hmc_mode = 0x14,
291#elif defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE)
292
293 .hmc_mode = 0x11,
294#endif
295
296#else
297
298
299
300
301 .register_dev = 1,
302 .pins[0] = 3,
303
304 .hmc_mode = 0x00,
305#endif
306};
307
308static struct omap_board_config_kernel h4_config[] = {
309 { OMAP_TAG_LCD, &h4_lcd_config },
310};
311
312static void __init omap_h4_init_irq(void)
313{
314 omap_board_config = h4_config;
315 omap_board_config_size = ARRAY_SIZE(h4_config);
316 omap2_init_common_hw(NULL, NULL);
317 omap_init_irq();
318 omap_gpio_init();
319 h4_init_flash();
320}
321
322static struct at24_platform_data m24c01 = {
323 .byte_len = SZ_1K / 8,
324 .page_size = 16,
325};
326
327static struct i2c_board_info __initdata h4_i2c_board_info[] = {
328 {
329 I2C_BOARD_INFO("isp1301_omap", 0x2d),
330 .irq = OMAP_GPIO_IRQ(125),
331 },
332 {
333 I2C_BOARD_INFO("24c01", 0x52),
334 .platform_data = &m24c01,
335 },
336 {
337 I2C_BOARD_INFO("24c01", 0x57),
338 .platform_data = &m24c01,
339 },
340};
341
342static void __init omap_h4_init(void)
343{
344
345
346
347
348
349#if defined(CONFIG_OMAP_IR) || defined(CONFIG_OMAP_IR_MODULE)
350 omap_cfg_reg(K15_24XX_UART3_TX);
351 omap_cfg_reg(K14_24XX_UART3_RX);
352#endif
353
354#if defined(CONFIG_KEYBOARD_OMAP) || defined(CONFIG_KEYBOARD_OMAP_MODULE)
355 if (omap_has_menelaus()) {
356 row_gpios[5] = 0;
357 col_gpios[2] = 15;
358 col_gpios[6] = 18;
359 }
360#endif
361
362 i2c_register_board_info(1, h4_i2c_board_info,
363 ARRAY_SIZE(h4_i2c_board_info));
364
365 platform_add_devices(h4_devices, ARRAY_SIZE(h4_devices));
366 omap_usb_init(&h4_usb_config);
367 omap_serial_init();
368}
369
370static void __init omap_h4_map_io(void)
371{
372 omap2_set_globals_242x();
373 omap2_map_common_io();
374}
375
376MACHINE_START(OMAP_H4, "OMAP2420 H4 board")
377
378 .phys_io = 0x48000000,
379 .io_pg_offst = ((0xd8000000) >> 18) & 0xfffc,
380 .boot_params = 0x80000100,
381 .map_io = omap_h4_map_io,
382 .init_irq = omap_h4_init_irq,
383 .init_machine = omap_h4_init,
384 .timer = &omap_timer,
385MACHINE_END
386
