arch/arm/mach-omap1/board-h3.c

   1 // SPDX-License-Identifier: GPL-2.0-only
   2 /*
   3  * linux/arch/arm/mach-omap1/board-h3.c
   4  *
   5  * This file contains OMAP1710 H3 specific code.
   6  *
   7  * Copyright (C) 2004 Texas Instruments, Inc.
   8  * Copyright (C) 2002 MontaVista Software, Inc.
   9  * Copyright (C) 2001 RidgeRun, Inc.
  10  * Author: RidgeRun, Inc.
  11  *         Greg Lonnon (glonnon@ridgerun.com) or info@ridgerun.com
  12  */
  13 #include <linux/gpio.h>
  14 #include <linux/types.h>
  15 #include <linux/init.h>
  16 #include <linux/major.h>
  17 #include <linux/kernel.h>
  18 #include <linux/platform_device.h>
  19 #include <linux/errno.h>
  20 #include <linux/workqueue.h>
  21 #include <linux/i2c.h>
  22 #include <linux/mtd/mtd.h>
  23 #include <linux/mtd/platnand.h>
  24 #include <linux/mtd/partitions.h>
  25 #include <linux/mtd/physmap.h>
  26 #include <linux/input.h>
  27 #include <linux/spi/spi.h>
  28 #include <linux/mfd/tps65010.h>
  29 #include <linux/smc91x.h>
  30 #include <linux/omapfb.h>
  31 #include <linux/platform_data/gpio-omap.h>
  32 #include <linux/platform_data/keypad-omap.h>
  33 #include <linux/omap-dma.h>
  34 #include <linux/leds.h>
  35
  36 #include <asm/setup.h>
  37 #include <asm/page.h>
  38 #include <asm/mach-types.h>
  39 #include <asm/mach/arch.h>
  40 #include <asm/mach/map.h>
  41
  42 #include "tc.h"
  43 #include "mux.h"
  44 #include "flash.h"
  45 #include "hardware.h"
  46 #include "irqs.h"
  47 #include "usb.h"
  48 #include "common.h"
  49 #include "board-h3.h"
  50
  51 /* In OMAP1710 H3 the Ethernet is directly connected to CS1 */
  52 #define OMAP1710_ETHR_START             0x04000300
  53
  54 #define H3_TS_GPIO      48
  55
  56 static const unsigned int h3_keymap[] = {
  57         KEY(0, 0, KEY_LEFT),
  58         KEY(1, 0, KEY_RIGHT),
  59         KEY(2, 0, KEY_3),
  60         KEY(3, 0, KEY_F10),
  61         KEY(4, 0, KEY_F5),
  62         KEY(5, 0, KEY_9),
  63         KEY(0, 1, KEY_DOWN),
  64         KEY(1, 1, KEY_UP),
  65         KEY(2, 1, KEY_2),
  66         KEY(3, 1, KEY_F9),
  67         KEY(4, 1, KEY_F7),
  68         KEY(5, 1, KEY_0),
  69         KEY(0, 2, KEY_ENTER),
  70         KEY(1, 2, KEY_6),
  71         KEY(2, 2, KEY_1),
  72         KEY(3, 2, KEY_F2),
  73         KEY(4, 2, KEY_F6),
  74         KEY(5, 2, KEY_HOME),
  75         KEY(0, 3, KEY_8),
  76         KEY(1, 3, KEY_5),
  77         KEY(2, 3, KEY_F12),
  78         KEY(3, 3, KEY_F3),
  79         KEY(4, 3, KEY_F8),
  80         KEY(5, 3, KEY_END),
  81         KEY(0, 4, KEY_7),
  82         KEY(1, 4, KEY_4),
  83         KEY(2, 4, KEY_F11),
  84         KEY(3, 4, KEY_F1),
  85         KEY(4, 4, KEY_F4),
  86         KEY(5, 4, KEY_ESC),
  87         KEY(0, 5, KEY_F13),
  88         KEY(1, 5, KEY_F14),
  89         KEY(2, 5, KEY_F15),
  90         KEY(3, 5, KEY_F16),
  91         KEY(4, 5, KEY_SLEEP),
  92 };
  93
  94
  95 static struct mtd_partition nor_partitions[] = {
  96         /* bootloader (U-Boot, etc) in first sector */
  97         {
  98               .name             = "bootloader",
  99               .offset           = 0,
 100               .size             = SZ_128K,
 101               .mask_flags       = MTD_WRITEABLE, /* force read-only */
 102         },
 103         /* bootloader params in the next sector */
 104         {
 105               .name             = "params",
 106               .offset           = MTDPART_OFS_APPEND,
 107               .size             = SZ_128K,
 108               .mask_flags       = 0,
 109         },
 110         /* kernel */
 111         {
 112               .name             = "kernel",
 113               .offset           = MTDPART_OFS_APPEND,
 114               .size             = SZ_2M,
 115               .mask_flags       = 0
 116         },
 117         /* file system */
 118         {
 119               .name             = "filesystem",
 120               .offset           = MTDPART_OFS_APPEND,
 121               .size             = MTDPART_SIZ_FULL,
 122               .mask_flags       = 0
 123         }
 124 };
 125
 126 static struct physmap_flash_data nor_data = {
 127         .width          = 2,
 128         .set_vpp        = omap1_set_vpp,
 129         .parts          = nor_partitions,
 130         .nr_parts       = ARRAY_SIZE(nor_partitions),
 131 };
 132
 133 static struct resource nor_resource = {
 134         /* This is on CS3, wherever it's mapped */
 135         .flags          = IORESOURCE_MEM,
 136 };
 137
 138 static struct platform_device nor_device = {
 139         .name           = "physmap-flash",
 140         .id             = 0,
 141         .dev            = {
 142                 .platform_data  = &nor_data,
 143         },
 144         .num_resources  = 1,
 145         .resource       = &nor_resource,
 146 };
 147
 148 static struct mtd_partition nand_partitions[] = {
 149 #if 0
 150         /* REVISIT: enable these partitions if you make NAND BOOT work */
 151         {
 152                 .name           = "xloader",
 153                 .offset         = 0,
 154                 .size           = 64 * 1024,
 155                 .mask_flags     = MTD_WRITEABLE,        /* force read-only */
 156         },
 157         {
 158                 .name           = "bootloader",
 159                 .offset         = MTDPART_OFS_APPEND,
 160                 .size           = 256 * 1024,
 161                 .mask_flags     = MTD_WRITEABLE,        /* force read-only */
 162         },
 163         {
 164                 .name           = "params",
 165                 .offset         = MTDPART_OFS_APPEND,
 166                 .size           = 192 * 1024,
 167         },
 168         {
 169                 .name           = "kernel",
 170                 .offset         = MTDPART_OFS_APPEND,
 171                 .size           = 2 * SZ_1M,
 172         },
 173 #endif
 174         {
 175                 .name           = "filesystem",
 176                 .size           = MTDPART_SIZ_FULL,
 177                 .offset         = MTDPART_OFS_APPEND,
 178         },
 179 };
 180
 181 #define H3_NAND_RB_GPIO_PIN     10
 182
 183 static int nand_dev_ready(struct nand_chip *chip)
 184 {
 185         return gpio_get_value(H3_NAND_RB_GPIO_PIN);
 186 }
 187
 188 static struct platform_nand_data nand_platdata = {
 189         .chip   = {
 190                 .nr_chips               = 1,
 191                 .chip_offset            = 0,
 192                 .nr_partitions          = ARRAY_SIZE(nand_partitions),
 193                 .partitions             = nand_partitions,
 194                 .options                = NAND_SAMSUNG_LP_OPTIONS,
 195         },
 196         .ctrl   = {
 197                 .cmd_ctrl       = omap1_nand_cmd_ctl,
 198                 .dev_ready      = nand_dev_ready,
 199
 200         },
 201 };
 202
 203 static struct resource nand_resource = {
 204         .flags          = IORESOURCE_MEM,
 205 };
 206
 207 static struct platform_device nand_device = {
 208         .name           = "gen_nand",
 209         .id             = 0,
 210         .dev            = {
 211                 .platform_data  = &nand_platdata,
 212         },
 213         .num_resources  = 1,
 214         .resource       = &nand_resource,
 215 };
 216
 217 static struct smc91x_platdata smc91x_info = {
 218         .flags  = SMC91X_USE_16BIT | SMC91X_NOWAIT,
 219         .leda   = RPC_LED_100_10,
 220         .ledb   = RPC_LED_TX_RX,
 221 };
 222
 223 static struct resource smc91x_resources[] = {
 224         [0] = {
 225                 .start  = OMAP1710_ETHR_START,          /* Physical */
 226                 .end    = OMAP1710_ETHR_START + 0xf,
 227                 .flags  = IORESOURCE_MEM,
 228         },
 229         [1] = {
 230                 .flags  = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWEDGE,
 231         },
 232 };
 233
 234 static struct platform_device smc91x_device = {
 235         .name           = "smc91x",
 236         .id             = 0,
 237         .dev    = {
 238                 .platform_data  = &smc91x_info,
 239         },
 240         .num_resources  = ARRAY_SIZE(smc91x_resources),
 241         .resource       = smc91x_resources,
 242 };
 243
 244 static void __init h3_init_smc91x(void)
 245 {
 246         omap_cfg_reg(W15_1710_GPIO40);
 247         if (gpio_request(40, "SMC91x irq") < 0) {
 248                 printk("Error requesting gpio 40 for smc91x irq\n");
 249                 return;
 250         }
 251 }
 252
 253 #define GPTIMER_BASE            0xFFFB1400
 254 #define GPTIMER_REGS(x) (0xFFFB1400 + (x * 0x800))
 255 #define GPTIMER_REGS_SIZE       0x46
 256
 257 static struct resource intlat_resources[] = {
 258         [0] = {
 259                 .start  = GPTIMER_REGS(0),            /* Physical */
 260                 .end    = GPTIMER_REGS(0) + GPTIMER_REGS_SIZE,
 261                 .flags  = IORESOURCE_MEM,
 262         },
 263         [1] = {
 264                 .start  = INT_1610_GPTIMER1,
 265                 .end    = INT_1610_GPTIMER1,
 266                 .flags  = IORESOURCE_IRQ,
 267         },
 268 };
 269
 270 static struct platform_device intlat_device = {
 271         .name      = "omap_intlat",
 272         .id          = 0,
 273         .num_resources  = ARRAY_SIZE(intlat_resources),
 274         .resource       = intlat_resources,
 275 };
 276
 277 static struct resource h3_kp_resources[] = {
 278         [0] = {
 279                 .start  = INT_KEYBOARD,
 280                 .end    = INT_KEYBOARD,
 281                 .flags  = IORESOURCE_IRQ,
 282         },
 283 };
 284
 285 static const struct matrix_keymap_data h3_keymap_data = {
 286         .keymap         = h3_keymap,
 287         .keymap_size    = ARRAY_SIZE(h3_keymap),
 288 };
 289
 290 static struct omap_kp_platform_data h3_kp_data = {
 291         .rows           = 8,
 292         .cols           = 8,
 293         .keymap_data    = &h3_keymap_data,
 294         .rep            = true,
 295         .delay          = 9,
 296         .dbounce        = true,
 297 };
 298
 299 static struct platform_device h3_kp_device = {
 300         .name           = "omap-keypad",
 301         .id             = -1,
 302         .dev            = {
 303                 .platform_data = &h3_kp_data,
 304         },
 305         .num_resources  = ARRAY_SIZE(h3_kp_resources),
 306         .resource       = h3_kp_resources,
 307 };
 308
 309 static struct platform_device h3_lcd_device = {
 310         .name           = "lcd_h3",
 311         .id             = -1,
 312 };
 313
 314 static struct spi_board_info h3_spi_board_info[] __initdata = {
 315         [0] = {
 316                 .modalias       = "tsc2101",
 317                 .bus_num        = 2,
 318                 .chip_select    = 0,
 319                 .max_speed_hz   = 16000000,
 320                 /* .platform_data       = &tsc_platform_data, */
 321         },
 322 };
 323
 324 static const struct gpio_led h3_gpio_led_pins[] = {
 325         {
 326                 .name           = "h3:red",
 327                 .default_trigger = "heartbeat",
 328                 .gpio           = 3,
 329         },
 330         {
 331                 .name           = "h3:green",
 332                 .default_trigger = "cpu0",
 333                 .gpio           = OMAP_MPUIO(4),
 334         },
 335 };
 336
 337 static struct gpio_led_platform_data h3_gpio_led_data = {
 338         .leds           = h3_gpio_led_pins,
 339         .num_leds       = ARRAY_SIZE(h3_gpio_led_pins),
 340 };
 341
 342 static struct platform_device h3_gpio_leds = {
 343         .name   = "leds-gpio",
 344         .id     = -1,
 345         .dev    = {
 346                 .platform_data = &h3_gpio_led_data,
 347         },
 348 };
 349
 350 static struct platform_device *devices[] __initdata = {
 351         &nor_device,
 352         &nand_device,
 353         &smc91x_device,
 354         &intlat_device,
 355         &h3_kp_device,
 356         &h3_lcd_device,
 357         &h3_gpio_leds,
 358 };
 359
 360 static struct omap_usb_config h3_usb_config __initdata = {
 361         /* usb1 has a Mini-AB port and external isp1301 transceiver */
 362         .otg        = 2,
 363
 364 #if IS_ENABLED(CONFIG_USB_OMAP)
 365         .hmc_mode       = 19,   /* 0:host(off) 1:dev|otg 2:disabled */
 366 #elif IS_ENABLED(CONFIG_USB_OHCI_HCD)
 367         /* NONSTANDARD CABLE NEEDED (B-to-Mini-B) */
 368         .hmc_mode       = 20,   /* 1:dev|otg(off) 1:host 2:disabled */
 369 #endif
 370
 371         .pins[1]        = 3,
 372 };
 373
 374 static const struct omap_lcd_config h3_lcd_config __initconst = {
 375         .ctrl_name      = "internal",
 376 };
 377
 378 static struct i2c_board_info __initdata h3_i2c_board_info[] = {
 379        {
 380                 I2C_BOARD_INFO("tps65013", 0x48),
 381        },
 382         {
 383                 I2C_BOARD_INFO("isp1301_omap", 0x2d),
 384         },
 385 };
 386
 387 static void __init h3_init(void)
 388 {
 389         h3_init_smc91x();
 390
 391         /* Here we assume the NOR boot config:  NOR on CS3 (possibly swapped
 392          * to address 0 by a dip switch), NAND on CS2B.  The NAND driver will
 393          * notice whether a NAND chip is enabled at probe time.
 394          *
 395          * H3 support NAND-boot, with a dip switch to put NOR on CS2B and NAND
 396          * (which on H2 may be 16bit) on CS3.  Try detecting that in code here,
 397          * to avoid probing every possible flash configuration...
 398          */
 399         nor_resource.end = nor_resource.start = omap_cs3_phys();
 400         nor_resource.end += SZ_32M - 1;
 401
 402         nand_resource.end = nand_resource.start = OMAP_CS2B_PHYS;
 403         nand_resource.end += SZ_4K - 1;
 404         BUG_ON(gpio_request(H3_NAND_RB_GPIO_PIN, "NAND ready") < 0);
 405         gpio_direction_input(H3_NAND_RB_GPIO_PIN);
 406
 407         /* GPIO10 Func_MUX_CTRL reg bit 29:27, Configure V2 to mode1 as GPIO */
 408         /* GPIO10 pullup/down register, Enable pullup on GPIO10 */
 409         omap_cfg_reg(V2_1710_GPIO10);
 410
 411         /* Mux pins for keypad */
 412         omap_cfg_reg(F18_1610_KBC0);
 413         omap_cfg_reg(D20_1610_KBC1);
 414         omap_cfg_reg(D19_1610_KBC2);
 415         omap_cfg_reg(E18_1610_KBC3);
 416         omap_cfg_reg(C21_1610_KBC4);
 417         omap_cfg_reg(G18_1610_KBR0);
 418         omap_cfg_reg(F19_1610_KBR1);
 419         omap_cfg_reg(H14_1610_KBR2);
 420         omap_cfg_reg(E20_1610_KBR3);
 421         omap_cfg_reg(E19_1610_KBR4);
 422         omap_cfg_reg(N19_1610_KBR5);
 423
 424         /* GPIO based LEDs */
 425         omap_cfg_reg(P18_1610_GPIO3);
 426         omap_cfg_reg(MPUIO4);
 427
 428         smc91x_resources[1].start = gpio_to_irq(40);
 429         smc91x_resources[1].end = gpio_to_irq(40);
 430         platform_add_devices(devices, ARRAY_SIZE(devices));
 431         h3_spi_board_info[0].irq = gpio_to_irq(H3_TS_GPIO);
 432         spi_register_board_info(h3_spi_board_info,
 433                                 ARRAY_SIZE(h3_spi_board_info));
 434         omap_serial_init();
 435         h3_i2c_board_info[1].irq = gpio_to_irq(14);
 436         omap_register_i2c_bus(1, 100, h3_i2c_board_info,
 437                               ARRAY_SIZE(h3_i2c_board_info));
 438         omap1_usb_init(&h3_usb_config);
 439         h3_mmc_init();
 440
 441         omapfb_set_lcd_config(&h3_lcd_config);
 442 }
 443
 444 MACHINE_START(OMAP_H3, "TI OMAP1710 H3 board")
 445         /* Maintainer: Texas Instruments, Inc. */
 446         .atag_offset    = 0x100,
 447         .map_io         = omap16xx_map_io,
 448         .init_early     = omap1_init_early,
 449         .init_irq       = omap1_init_irq,
 450         .handle_irq     = omap1_handle_irq,
 451         .init_machine   = h3_init,
 452         .init_late      = omap1_init_late,
 453         .init_time      = omap1_timer_init,
 454         .restart        = omap1_restart,
 455 MACHINE_END