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-rw-r--r--arch/arm/mach-omap2/board-rx51-peripherals.c232
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
39static struct resource rx51_smc91x_resources[] = {
40 [0] = {
41 .flags = IORESOURCE_MEM,
42 },
43 [1] = {
44 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE,
45 },
46};
47
48static 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
55static int rx51_keymap[] = { 38static 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
110static struct platform_device *rx51_peripherals_devices[] = {
111 &rx51_smc91x_device,
112};
113
114/*
115 * Timings are taken from smsc-lan91c96-ms.pdf
116 */
117static 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
152static 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
192free3:
193 gpio_free(SMC91X_GPIO_PWRDWN);
194free2:
195 gpio_free(SMC91X_GPIO_IRQ);
196free1:
197 gpmc_cs_free(SMC91X_CS);
198
199 printk(KERN_ERR "Could not initialize smc91x\n");
200}
201
202static struct twl4030_madc_platform_data rx51_madc_data = { 93static 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 */
262static struct regulator_init_data rx51_vaux3 = { 153static 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
166static 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
275static struct regulator_init_data rx51_vaux4 = { 182static 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
402static int __init rx51_i2c_init(void) 307static 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
326static 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
360static 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
367static void __init board_onenand_init(void)
368{
369 gpmc_onenand_init(&board_onenand_data);
370}
371
372#else
373
374static inline void board_onenand_init(void)
375{
376}
377
378#endif
379
380#if defined(CONFIG_SMC91X) || defined(CONFIG_SMC91X_MODULE)
381
382static 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
390static 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
401static inline void board_smc91x_init(void)
402{
403}
404
405#endif
411 406
412void __init rx51_peripherals_init(void) 407void __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