diff options
Diffstat (limited to 'arch/arm/mach-omap2/board-rx51-peripherals.c')
-rw-r--r-- | arch/arm/mach-omap2/board-rx51-peripherals.c | 232 |
1 files changed, 113 insertions, 119 deletions
diff --git a/arch/arm/mach-omap2/board-rx51-peripherals.c b/arch/arm/mach-omap2/board-rx51-peripherals.c index a7381729645c..da93b86234ed 100644 --- a/arch/arm/mach-omap2/board-rx51-peripherals.c +++ b/arch/arm/mach-omap2/board-rx51-peripherals.c | |||
@@ -27,30 +27,13 @@ | |||
27 | #include <mach/dma.h> | 27 | #include <mach/dma.h> |
28 | #include <mach/gpmc.h> | 28 | #include <mach/gpmc.h> |
29 | #include <mach/keypad.h> | 29 | #include <mach/keypad.h> |
30 | #include <mach/onenand.h> | ||
31 | #include <mach/gpmc-smc91x.h> | ||
30 | 32 | ||
31 | #include "mmc-twl4030.h" | 33 | #include "mmc-twl4030.h" |
32 | 34 | ||
33 | 35 | #define SYSTEM_REV_B_USES_VAUX3 0x1699 | |
34 | #define SMC91X_CS 1 | 36 | #define SYSTEM_REV_S_USES_VAUX3 0x8 |
35 | #define SMC91X_GPIO_IRQ 54 | ||
36 | #define SMC91X_GPIO_RESET 164 | ||
37 | #define SMC91X_GPIO_PWRDWN 86 | ||
38 | |||
39 | static struct resource rx51_smc91x_resources[] = { | ||
40 | [0] = { | ||
41 | .flags = IORESOURCE_MEM, | ||
42 | }, | ||
43 | [1] = { | ||
44 | .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE, | ||
45 | }, | ||
46 | }; | ||
47 | |||
48 | static struct platform_device rx51_smc91x_device = { | ||
49 | .name = "smc91x", | ||
50 | .id = -1, | ||
51 | .num_resources = ARRAY_SIZE(rx51_smc91x_resources), | ||
52 | .resource = rx51_smc91x_resources, | ||
53 | }; | ||
54 | 37 | ||
55 | static int rx51_keymap[] = { | 38 | static int rx51_keymap[] = { |
56 | KEY(0, 0, KEY_Q), | 39 | KEY(0, 0, KEY_Q), |
@@ -107,98 +90,6 @@ static struct twl4030_keypad_data rx51_kp_data = { | |||
107 | .rep = 1, | 90 | .rep = 1, |
108 | }; | 91 | }; |
109 | 92 | ||
110 | static struct platform_device *rx51_peripherals_devices[] = { | ||
111 | &rx51_smc91x_device, | ||
112 | }; | ||
113 | |||
114 | /* | ||
115 | * Timings are taken from smsc-lan91c96-ms.pdf | ||
116 | */ | ||
117 | static int smc91x_init_gpmc(int cs) | ||
118 | { | ||
119 | struct gpmc_timings t; | ||
120 | const int t2_r = 45; /* t2 in Figure 12.10 */ | ||
121 | const int t2_w = 30; /* t2 in Figure 12.11 */ | ||
122 | const int t3 = 15; /* t3 in Figure 12.10 */ | ||
123 | const int t5_r = 0; /* t5 in Figure 12.10 */ | ||
124 | const int t6_r = 45; /* t6 in Figure 12.10 */ | ||
125 | const int t6_w = 0; /* t6 in Figure 12.11 */ | ||
126 | const int t7_w = 15; /* t7 in Figure 12.11 */ | ||
127 | const int t15 = 12; /* t15 in Figure 12.2 */ | ||
128 | const int t20 = 185; /* t20 in Figure 12.2 */ | ||
129 | |||
130 | memset(&t, 0, sizeof(t)); | ||
131 | |||
132 | t.cs_on = t15; | ||
133 | t.cs_rd_off = t3 + t2_r + t5_r; /* Figure 12.10 */ | ||
134 | t.cs_wr_off = t3 + t2_w + t6_w; /* Figure 12.11 */ | ||
135 | t.adv_on = t3; /* Figure 12.10 */ | ||
136 | t.adv_rd_off = t3 + t2_r; /* Figure 12.10 */ | ||
137 | t.adv_wr_off = t3 + t2_w; /* Figure 12.11 */ | ||
138 | t.oe_off = t3 + t2_r + t5_r; /* Figure 12.10 */ | ||
139 | t.oe_on = t.oe_off - t6_r; /* Figure 12.10 */ | ||
140 | t.we_off = t3 + t2_w + t6_w; /* Figure 12.11 */ | ||
141 | t.we_on = t.we_off - t7_w; /* Figure 12.11 */ | ||
142 | t.rd_cycle = t20; /* Figure 12.2 */ | ||
143 | t.wr_cycle = t20; /* Figure 12.4 */ | ||
144 | t.access = t3 + t2_r + t5_r; /* Figure 12.10 */ | ||
145 | t.wr_access = t3 + t2_w + t6_w; /* Figure 12.11 */ | ||
146 | |||
147 | gpmc_cs_write_reg(cs, GPMC_CS_CONFIG1, GPMC_CONFIG1_DEVICESIZE_16); | ||
148 | |||
149 | return gpmc_cs_set_timings(cs, &t); | ||
150 | } | ||
151 | |||
152 | static void __init rx51_init_smc91x(void) | ||
153 | { | ||
154 | unsigned long cs_mem_base; | ||
155 | int ret; | ||
156 | |||
157 | omap_cfg_reg(U8_34XX_GPIO54_DOWN); | ||
158 | omap_cfg_reg(G25_34XX_GPIO86_OUT); | ||
159 | omap_cfg_reg(H19_34XX_GPIO164_OUT); | ||
160 | |||
161 | if (gpmc_cs_request(SMC91X_CS, SZ_16M, &cs_mem_base) < 0) { | ||
162 | printk(KERN_ERR "Failed to request GPMC mem for smc91x\n"); | ||
163 | return; | ||
164 | } | ||
165 | |||
166 | rx51_smc91x_resources[0].start = cs_mem_base + 0x300; | ||
167 | rx51_smc91x_resources[0].end = cs_mem_base + 0x30f; | ||
168 | |||
169 | smc91x_init_gpmc(SMC91X_CS); | ||
170 | |||
171 | if (gpio_request(SMC91X_GPIO_IRQ, "SMC91X irq") < 0) | ||
172 | goto free1; | ||
173 | |||
174 | gpio_direction_input(SMC91X_GPIO_IRQ); | ||
175 | rx51_smc91x_resources[1].start = gpio_to_irq(SMC91X_GPIO_IRQ); | ||
176 | |||
177 | ret = gpio_request(SMC91X_GPIO_PWRDWN, "SMC91X powerdown"); | ||
178 | if (ret) | ||
179 | goto free2; | ||
180 | gpio_direction_output(SMC91X_GPIO_PWRDWN, 0); | ||
181 | |||
182 | ret = gpio_request(SMC91X_GPIO_RESET, "SMC91X reset"); | ||
183 | if (ret) | ||
184 | goto free3; | ||
185 | gpio_direction_output(SMC91X_GPIO_RESET, 0); | ||
186 | gpio_set_value(SMC91X_GPIO_RESET, 1); | ||
187 | msleep(100); | ||
188 | gpio_set_value(SMC91X_GPIO_RESET, 0); | ||
189 | |||
190 | return; | ||
191 | |||
192 | free3: | ||
193 | gpio_free(SMC91X_GPIO_PWRDWN); | ||
194 | free2: | ||
195 | gpio_free(SMC91X_GPIO_IRQ); | ||
196 | free1: | ||
197 | gpmc_cs_free(SMC91X_CS); | ||
198 | |||
199 | printk(KERN_ERR "Could not initialize smc91x\n"); | ||
200 | } | ||
201 | |||
202 | static struct twl4030_madc_platform_data rx51_madc_data = { | 93 | static struct twl4030_madc_platform_data rx51_madc_data = { |
203 | .irq_line = 1, | 94 | .irq_line = 1, |
204 | }; | 95 | }; |
@@ -259,7 +150,7 @@ static struct regulator_init_data rx51_vaux2 = { | |||
259 | }; | 150 | }; |
260 | 151 | ||
261 | /* VAUX3 - adds more power to VIO_18 rail */ | 152 | /* VAUX3 - adds more power to VIO_18 rail */ |
262 | static struct regulator_init_data rx51_vaux3 = { | 153 | static struct regulator_init_data rx51_vaux3_cam = { |
263 | .constraints = { | 154 | .constraints = { |
264 | .name = "VCAM_DIG_18", | 155 | .name = "VCAM_DIG_18", |
265 | .min_uV = 1800000, | 156 | .min_uV = 1800000, |
@@ -272,6 +163,22 @@ static struct regulator_init_data rx51_vaux3 = { | |||
272 | }, | 163 | }, |
273 | }; | 164 | }; |
274 | 165 | ||
166 | static struct regulator_init_data rx51_vaux3_mmc = { | ||
167 | .constraints = { | ||
168 | .name = "VMMC2_30", | ||
169 | .min_uV = 2800000, | ||
170 | .max_uV = 3000000, | ||
171 | .apply_uV = true, | ||
172 | .valid_modes_mask = REGULATOR_MODE_NORMAL | ||
173 | | REGULATOR_MODE_STANDBY, | ||
174 | .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE | ||
175 | | REGULATOR_CHANGE_MODE | ||
176 | | REGULATOR_CHANGE_STATUS, | ||
177 | }, | ||
178 | .num_consumer_supplies = 1, | ||
179 | .consumer_supplies = &rx51_vmmc2_supply, | ||
180 | }; | ||
181 | |||
275 | static struct regulator_init_data rx51_vaux4 = { | 182 | static struct regulator_init_data rx51_vaux4 = { |
276 | .constraints = { | 183 | .constraints = { |
277 | .name = "VCAM_ANA_28", | 184 | .name = "VCAM_ANA_28", |
@@ -382,10 +289,8 @@ static struct twl4030_platform_data rx51_twldata = { | |||
382 | 289 | ||
383 | .vaux1 = &rx51_vaux1, | 290 | .vaux1 = &rx51_vaux1, |
384 | .vaux2 = &rx51_vaux2, | 291 | .vaux2 = &rx51_vaux2, |
385 | .vaux3 = &rx51_vaux3, | ||
386 | .vaux4 = &rx51_vaux4, | 292 | .vaux4 = &rx51_vaux4, |
387 | .vmmc1 = &rx51_vmmc1, | 293 | .vmmc1 = &rx51_vmmc1, |
388 | .vmmc2 = &rx51_vmmc2, | ||
389 | .vsim = &rx51_vsim, | 294 | .vsim = &rx51_vsim, |
390 | .vdac = &rx51_vdac, | 295 | .vdac = &rx51_vdac, |
391 | }; | 296 | }; |
@@ -401,6 +306,13 @@ static struct i2c_board_info __initdata rx51_peripherals_i2c_board_info_1[] = { | |||
401 | 306 | ||
402 | static int __init rx51_i2c_init(void) | 307 | static int __init rx51_i2c_init(void) |
403 | { | 308 | { |
309 | if ((system_rev >= SYSTEM_REV_S_USES_VAUX3 && system_rev < 0x100) || | ||
310 | system_rev >= SYSTEM_REV_B_USES_VAUX3) | ||
311 | rx51_twldata.vaux3 = &rx51_vaux3_mmc; | ||
312 | else { | ||
313 | rx51_twldata.vaux3 = &rx51_vaux3_cam; | ||
314 | rx51_twldata.vmmc2 = &rx51_vmmc2; | ||
315 | } | ||
404 | omap_register_i2c_bus(1, 2600, rx51_peripherals_i2c_board_info_1, | 316 | omap_register_i2c_bus(1, 2600, rx51_peripherals_i2c_board_info_1, |
405 | ARRAY_SIZE(rx51_peripherals_i2c_board_info_1)); | 317 | ARRAY_SIZE(rx51_peripherals_i2c_board_info_1)); |
406 | omap_register_i2c_bus(2, 100, NULL, 0); | 318 | omap_register_i2c_bus(2, 100, NULL, 0); |
@@ -408,12 +320,94 @@ static int __init rx51_i2c_init(void) | |||
408 | return 0; | 320 | return 0; |
409 | } | 321 | } |
410 | 322 | ||
323 | #if defined(CONFIG_MTD_ONENAND_OMAP2) || \ | ||
324 | defined(CONFIG_MTD_ONENAND_OMAP2_MODULE) | ||
325 | |||
326 | static struct mtd_partition onenand_partitions[] = { | ||
327 | { | ||
328 | .name = "bootloader", | ||
329 | .offset = 0, | ||
330 | .size = 0x20000, | ||
331 | .mask_flags = MTD_WRITEABLE, /* Force read-only */ | ||
332 | }, | ||
333 | { | ||
334 | .name = "config", | ||
335 | .offset = MTDPART_OFS_APPEND, | ||
336 | .size = 0x60000, | ||
337 | }, | ||
338 | { | ||
339 | .name = "log", | ||
340 | .offset = MTDPART_OFS_APPEND, | ||
341 | .size = 0x40000, | ||
342 | }, | ||
343 | { | ||
344 | .name = "kernel", | ||
345 | .offset = MTDPART_OFS_APPEND, | ||
346 | .size = 0x200000, | ||
347 | }, | ||
348 | { | ||
349 | .name = "initfs", | ||
350 | .offset = MTDPART_OFS_APPEND, | ||
351 | .size = 0x200000, | ||
352 | }, | ||
353 | { | ||
354 | .name = "rootfs", | ||
355 | .offset = MTDPART_OFS_APPEND, | ||
356 | .size = MTDPART_SIZ_FULL, | ||
357 | }, | ||
358 | }; | ||
359 | |||
360 | static struct omap_onenand_platform_data board_onenand_data = { | ||
361 | .cs = 0, | ||
362 | .gpio_irq = 65, | ||
363 | .parts = onenand_partitions, | ||
364 | .nr_parts = ARRAY_SIZE(onenand_partitions), | ||
365 | }; | ||
366 | |||
367 | static void __init board_onenand_init(void) | ||
368 | { | ||
369 | gpmc_onenand_init(&board_onenand_data); | ||
370 | } | ||
371 | |||
372 | #else | ||
373 | |||
374 | static inline void board_onenand_init(void) | ||
375 | { | ||
376 | } | ||
377 | |||
378 | #endif | ||
379 | |||
380 | #if defined(CONFIG_SMC91X) || defined(CONFIG_SMC91X_MODULE) | ||
381 | |||
382 | static struct omap_smc91x_platform_data board_smc91x_data = { | ||
383 | .cs = 1, | ||
384 | .gpio_irq = 54, | ||
385 | .gpio_pwrdwn = 86, | ||
386 | .gpio_reset = 164, | ||
387 | .flags = GPMC_TIMINGS_SMC91C96 | IORESOURCE_IRQ_HIGHLEVEL, | ||
388 | }; | ||
389 | |||
390 | static void __init board_smc91x_init(void) | ||
391 | { | ||
392 | omap_cfg_reg(U8_34XX_GPIO54_DOWN); | ||
393 | omap_cfg_reg(G25_34XX_GPIO86_OUT); | ||
394 | omap_cfg_reg(H19_34XX_GPIO164_OUT); | ||
395 | |||
396 | gpmc_smc91x_init(&board_smc91x_data); | ||
397 | } | ||
398 | |||
399 | #else | ||
400 | |||
401 | static inline void board_smc91x_init(void) | ||
402 | { | ||
403 | } | ||
404 | |||
405 | #endif | ||
411 | 406 | ||
412 | void __init rx51_peripherals_init(void) | 407 | void __init rx51_peripherals_init(void) |
413 | { | 408 | { |
414 | platform_add_devices(rx51_peripherals_devices, | ||
415 | ARRAY_SIZE(rx51_peripherals_devices)); | ||
416 | rx51_i2c_init(); | 409 | rx51_i2c_init(); |
417 | rx51_init_smc91x(); | 410 | board_onenand_init(); |
411 | board_smc91x_init(); | ||
418 | } | 412 | } |
419 | 413 | ||