arch/arm/mach-omap1/board-h2.c

   1 // SPDX-License-Identifier: GPL-2.0-only
   2 /*
   3  * linux/arch/arm/mach-omap1/board-h2.c
   4  *
   5  * Board specific inits for OMAP-1610 H2
   6  *
   7  * Copyright (C) 2001 RidgeRun, Inc.
   8  * Author: Greg Lonnon <glonnon@ridgerun.com>
   9  *
  10  * Copyright (C) 2002 MontaVista Software, Inc.
  11  *
  12  * Separated FPGA interrupts from innovator1510.c and cleaned up for 2.6
  13  * Copyright (C) 2004 Nokia Corporation by Tony Lindrgen <tony@atomide.com>
  14  *
  15  * H2 specific changes and cleanup
  16  * Copyright (C) 2004 Nokia Corporation by Imre Deak <imre.deak@nokia.com>
  17  */
  18 #include <linux/gpio.h>
  19 #include <linux/kernel.h>
  20 #include <linux/platform_device.h>
  21 #include <linux/delay.h>
  22 #include <linux/i2c.h>
  23 #include <linux/mtd/mtd.h>
  24 #include <linux/mtd/platnand.h>
  25 #include <linux/mtd/physmap.h>
  26 #include <linux/input.h>
  27 #include <linux/mfd/tps65010.h>
  28 #include <linux/smc91x.h>
  29 #include <linux/omapfb.h>
  30 #include <linux/platform_data/gpio-omap.h>
  31 #include <linux/leds.h>
  32
  33 #include <asm/mach-types.h>
  34 #include <asm/mach/arch.h>
  35 #include <asm/mach/map.h>
  36
  37 #include <mach/mux.h>
  38 #include <linux/omap-dma.h>
  39 #include <mach/tc.h>
  40 #include <linux/platform_data/keypad-omap.h>
  41 #include "flash.h"
  42
  43 #include <mach/hardware.h>
  44 #include <mach/usb.h>
  45
  46 #include "common.h"
  47 #include "board-h2.h"
  48
  49 /* At OMAP1610 Innovator the Ethernet is directly connected to CS1 */
  50 #define OMAP1610_ETHR_START             0x04000300
  51
  52 static const unsigned int h2_keymap[] = {
  53         KEY(0, 0, KEY_LEFT),
  54         KEY(1, 0, KEY_RIGHT),
  55         KEY(2, 0, KEY_3),
  56         KEY(3, 0, KEY_F10),
  57         KEY(4, 0, KEY_F5),
  58         KEY(5, 0, KEY_9),
  59         KEY(0, 1, KEY_DOWN),
  60         KEY(1, 1, KEY_UP),
  61         KEY(2, 1, KEY_2),
  62         KEY(3, 1, KEY_F9),
  63         KEY(4, 1, KEY_F7),
  64         KEY(5, 1, KEY_0),
  65         KEY(0, 2, KEY_ENTER),
  66         KEY(1, 2, KEY_6),
  67         KEY(2, 2, KEY_1),
  68         KEY(3, 2, KEY_F2),
  69         KEY(4, 2, KEY_F6),
  70         KEY(5, 2, KEY_HOME),
  71         KEY(0, 3, KEY_8),
  72         KEY(1, 3, KEY_5),
  73         KEY(2, 3, KEY_F12),
  74         KEY(3, 3, KEY_F3),
  75         KEY(4, 3, KEY_F8),
  76         KEY(5, 3, KEY_END),
  77         KEY(0, 4, KEY_7),
  78         KEY(1, 4, KEY_4),
  79         KEY(2, 4, KEY_F11),
  80         KEY(3, 4, KEY_F1),
  81         KEY(4, 4, KEY_F4),
  82         KEY(5, 4, KEY_ESC),
  83         KEY(0, 5, KEY_F13),
  84         KEY(1, 5, KEY_F14),
  85         KEY(2, 5, KEY_F15),
  86         KEY(3, 5, KEY_F16),
  87         KEY(4, 5, KEY_SLEEP),
  88 };
  89
  90 static struct mtd_partition h2_nor_partitions[] = {
  91         /* bootloader (U-Boot, etc) in first sector */
  92         {
  93               .name             = "bootloader",
  94               .offset           = 0,
  95               .size             = SZ_128K,
  96               .mask_flags       = MTD_WRITEABLE, /* force read-only */
  97         },
  98         /* bootloader params in the next sector */
  99         {
 100               .name             = "params",
 101               .offset           = MTDPART_OFS_APPEND,
 102               .size             = SZ_128K,
 103               .mask_flags       = 0,
 104         },
 105         /* kernel */
 106         {
 107               .name             = "kernel",
 108               .offset           = MTDPART_OFS_APPEND,
 109               .size             = SZ_2M,
 110               .mask_flags       = 0
 111         },
 112         /* file system */
 113         {
 114               .name             = "filesystem",
 115               .offset           = MTDPART_OFS_APPEND,
 116               .size             = MTDPART_SIZ_FULL,
 117               .mask_flags       = 0
 118         }
 119 };
 120
 121 static struct physmap_flash_data h2_nor_data = {
 122         .width          = 2,
 123         .set_vpp        = omap1_set_vpp,
 124         .parts          = h2_nor_partitions,
 125         .nr_parts       = ARRAY_SIZE(h2_nor_partitions),
 126 };
 127
 128 static struct resource h2_nor_resource = {
 129         /* This is on CS3, wherever it's mapped */
 130         .flags          = IORESOURCE_MEM,
 131 };
 132
 133 static struct platform_device h2_nor_device = {
 134         .name           = "physmap-flash",
 135         .id             = 0,
 136         .dev            = {
 137                 .platform_data  = &h2_nor_data,
 138         },
 139         .num_resources  = 1,
 140         .resource       = &h2_nor_resource,
 141 };
 142
 143 static struct mtd_partition h2_nand_partitions[] = {
 144 #if 0
 145         /* REVISIT:  enable these partitions if you make NAND BOOT
 146          * work on your H2 (rev C or newer); published versions of
 147          * x-load only support P2 and H3.
 148          */
 149         {
 150                 .name           = "xloader",
 151                 .offset         = 0,
 152                 .size           = 64 * 1024,
 153                 .mask_flags     = MTD_WRITEABLE,        /* force read-only */
 154         },
 155         {
 156                 .name           = "bootloader",
 157                 .offset         = MTDPART_OFS_APPEND,
 158                 .size           = 256 * 1024,
 159                 .mask_flags     = MTD_WRITEABLE,        /* force read-only */
 160         },
 161         {
 162                 .name           = "params",
 163                 .offset         = MTDPART_OFS_APPEND,
 164                 .size           = 192 * 1024,
 165         },
 166         {
 167                 .name           = "kernel",
 168                 .offset         = MTDPART_OFS_APPEND,
 169                 .size           = 2 * SZ_1M,
 170         },
 171 #endif
 172         {
 173                 .name           = "filesystem",
 174                 .size           = MTDPART_SIZ_FULL,
 175                 .offset         = MTDPART_OFS_APPEND,
 176         },
 177 };
 178
 179 #define H2_NAND_RB_GPIO_PIN     62
 180
 181 static int h2_nand_dev_ready(struct nand_chip *chip)
 182 {
 183         return gpio_get_value(H2_NAND_RB_GPIO_PIN);
 184 }
 185
 186 static struct platform_nand_data h2_nand_platdata = {
 187         .chip   = {
 188                 .nr_chips               = 1,
 189                 .chip_offset            = 0,
 190                 .nr_partitions          = ARRAY_SIZE(h2_nand_partitions),
 191                 .partitions             = h2_nand_partitions,
 192                 .options                = NAND_SAMSUNG_LP_OPTIONS,
 193         },
 194         .ctrl   = {
 195                 .cmd_ctrl       = omap1_nand_cmd_ctl,
 196                 .dev_ready      = h2_nand_dev_ready,
 197         },
 198 };
 199
 200 static struct resource h2_nand_resource = {
 201         .flags          = IORESOURCE_MEM,
 202 };
 203
 204 static struct platform_device h2_nand_device = {
 205         .name           = "gen_nand",
 206         .id             = 0,
 207         .dev            = {
 208                 .platform_data  = &h2_nand_platdata,
 209         },
 210         .num_resources  = 1,
 211         .resource       = &h2_nand_resource,
 212 };
 213
 214 static struct smc91x_platdata h2_smc91x_info = {
 215         .flags  = SMC91X_USE_16BIT | SMC91X_NOWAIT,
 216         .leda   = RPC_LED_100_10,
 217         .ledb   = RPC_LED_TX_RX,
 218 };
 219
 220 static struct resource h2_smc91x_resources[] = {
 221         [0] = {
 222                 .start  = OMAP1610_ETHR_START,          /* Physical */
 223                 .end    = OMAP1610_ETHR_START + 0xf,
 224                 .flags  = IORESOURCE_MEM,
 225         },
 226         [1] = {
 227                 .flags  = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWEDGE,
 228         },
 229 };
 230
 231 static struct platform_device h2_smc91x_device = {
 232         .name           = "smc91x",
 233         .id             = 0,
 234         .dev    = {
 235                 .platform_data  = &h2_smc91x_info,
 236         },
 237         .num_resources  = ARRAY_SIZE(h2_smc91x_resources),
 238         .resource       = h2_smc91x_resources,
 239 };
 240
 241 static struct resource h2_kp_resources[] = {
 242         [0] = {
 243                 .start  = INT_KEYBOARD,
 244                 .end    = INT_KEYBOARD,
 245                 .flags  = IORESOURCE_IRQ,
 246         },
 247 };
 248
 249 static const struct matrix_keymap_data h2_keymap_data = {
 250         .keymap         = h2_keymap,
 251         .keymap_size    = ARRAY_SIZE(h2_keymap),
 252 };
 253
 254 static struct omap_kp_platform_data h2_kp_data = {
 255         .rows           = 8,
 256         .cols           = 8,
 257         .keymap_data    = &h2_keymap_data,
 258         .rep            = true,
 259         .delay          = 9,
 260         .dbounce        = true,
 261 };
 262
 263 static struct platform_device h2_kp_device = {
 264         .name           = "omap-keypad",
 265         .id             = -1,
 266         .dev            = {
 267                 .platform_data = &h2_kp_data,
 268         },
 269         .num_resources  = ARRAY_SIZE(h2_kp_resources),
 270         .resource       = h2_kp_resources,
 271 };
 272
 273 static const struct gpio_led h2_gpio_led_pins[] = {
 274         {
 275                 .name           = "h2:red",
 276                 .default_trigger = "heartbeat",
 277                 .gpio           = 3,
 278         },
 279         {
 280                 .name           = "h2:green",
 281                 .default_trigger = "cpu0",
 282                 .gpio           = OMAP_MPUIO(4),
 283         },
 284 };
 285
 286 static struct gpio_led_platform_data h2_gpio_led_data = {
 287         .leds           = h2_gpio_led_pins,
 288         .num_leds       = ARRAY_SIZE(h2_gpio_led_pins),
 289 };
 290
 291 static struct platform_device h2_gpio_leds = {
 292         .name   = "leds-gpio",
 293         .id     = -1,
 294         .dev    = {
 295                 .platform_data = &h2_gpio_led_data,
 296         },
 297 };
 298
 299 static struct platform_device *h2_devices[] __initdata = {
 300         &h2_nor_device,
 301         &h2_nand_device,
 302         &h2_smc91x_device,
 303         &h2_kp_device,
 304         &h2_gpio_leds,
 305 };
 306
 307 static void __init h2_init_smc91x(void)
 308 {
 309         if (gpio_request(0, "SMC91x irq") < 0) {
 310                 printk("Error requesting gpio 0 for smc91x irq\n");
 311                 return;
 312         }
 313 }
 314
 315 static int tps_setup(struct i2c_client *client, void *context)
 316 {
 317         if (!IS_BUILTIN(CONFIG_TPS65010))
 318                 return -ENOSYS;
 319
 320         tps65010_config_vregs1(TPS_LDO2_ENABLE | TPS_VLDO2_3_0V |
 321                                 TPS_LDO1_ENABLE | TPS_VLDO1_3_0V);
 322
 323         return 0;
 324 }
 325
 326 static struct tps65010_board tps_board = {
 327         .base           = H2_TPS_GPIO_BASE,
 328         .outmask        = 0x0f,
 329         .setup          = tps_setup,
 330 };
 331
 332 static struct i2c_board_info __initdata h2_i2c_board_info[] = {
 333         {
 334                 I2C_BOARD_INFO("tps65010", 0x48),
 335                 .platform_data  = &tps_board,
 336         }, {
 337                 I2C_BOARD_INFO("isp1301_omap", 0x2d),
 338         },
 339 };
 340
 341 static struct omap_usb_config h2_usb_config __initdata = {
 342         /* usb1 has a Mini-AB port and external isp1301 transceiver */
 343         .otg            = 2,
 344
 345 #if IS_ENABLED(CONFIG_USB_OMAP)
 346         .hmc_mode       = 19,   /* 0:host(off) 1:dev|otg 2:disabled */
 347         /* .hmc_mode    = 21,*/ /* 0:host(off) 1:dev(loopback) 2:host(loopback) */
 348 #elif   IS_ENABLED(CONFIG_USB_OHCI_HCD)
 349         /* needs OTG cable, or NONSTANDARD (B-to-MiniB) */
 350         .hmc_mode       = 20,   /* 1:dev|otg(off) 1:host 2:disabled */
 351 #endif
 352
 353         .pins[1]        = 3,
 354 };
 355
 356 static const struct omap_lcd_config h2_lcd_config __initconst = {
 357         .ctrl_name      = "internal",
 358 };
 359
 360 static void __init h2_init(void)
 361 {
 362         h2_init_smc91x();
 363
 364         /* Here we assume the NOR boot config:  NOR on CS3 (possibly swapped
 365          * to address 0 by a dip switch), NAND on CS2B.  The NAND driver will
 366          * notice whether a NAND chip is enabled at probe time.
 367          *
 368          * FIXME revC boards (and H3) support NAND-boot, with a dip switch to
 369          * put NOR on CS2B and NAND (which on H2 may be 16bit) on CS3.  Try
 370          * detecting that in code here, to avoid probing every possible flash
 371          * configuration...
 372          */
 373         h2_nor_resource.end = h2_nor_resource.start = omap_cs3_phys();
 374         h2_nor_resource.end += SZ_32M - 1;
 375
 376         h2_nand_resource.end = h2_nand_resource.start = OMAP_CS2B_PHYS;
 377         h2_nand_resource.end += SZ_4K - 1;
 378         BUG_ON(gpio_request(H2_NAND_RB_GPIO_PIN, "NAND ready") < 0);
 379         gpio_direction_input(H2_NAND_RB_GPIO_PIN);
 380
 381         omap_cfg_reg(L3_1610_FLASH_CS2B_OE);
 382         omap_cfg_reg(M8_1610_FLASH_CS2B_WE);
 383
 384         /* MMC:  card detect and WP */
 385         /* omap_cfg_reg(U19_ARMIO1); */         /* CD */
 386         omap_cfg_reg(BALLOUT_V8_ARMIO3);        /* WP */
 387
 388         /* Mux pins for keypad */
 389         omap_cfg_reg(F18_1610_KBC0);
 390         omap_cfg_reg(D20_1610_KBC1);
 391         omap_cfg_reg(D19_1610_KBC2);
 392         omap_cfg_reg(E18_1610_KBC3);
 393         omap_cfg_reg(C21_1610_KBC4);
 394         omap_cfg_reg(G18_1610_KBR0);
 395         omap_cfg_reg(F19_1610_KBR1);
 396         omap_cfg_reg(H14_1610_KBR2);
 397         omap_cfg_reg(E20_1610_KBR3);
 398         omap_cfg_reg(E19_1610_KBR4);
 399         omap_cfg_reg(N19_1610_KBR5);
 400
 401         /* GPIO based LEDs */
 402         omap_cfg_reg(P18_1610_GPIO3);
 403         omap_cfg_reg(MPUIO4);
 404
 405         h2_smc91x_resources[1].start = gpio_to_irq(0);
 406         h2_smc91x_resources[1].end = gpio_to_irq(0);
 407         platform_add_devices(h2_devices, ARRAY_SIZE(h2_devices));
 408         omap_serial_init();
 409         h2_i2c_board_info[0].irq = gpio_to_irq(58);
 410         h2_i2c_board_info[1].irq = gpio_to_irq(2);
 411         omap_register_i2c_bus(1, 100, h2_i2c_board_info,
 412                               ARRAY_SIZE(h2_i2c_board_info));
 413         omap1_usb_init(&h2_usb_config);
 414         h2_mmc_init();
 415
 416         omapfb_set_lcd_config(&h2_lcd_config);
 417 }
 418
 419 MACHINE_START(OMAP_H2, "TI-H2")
 420         /* Maintainer: Imre Deak <imre.deak@nokia.com> */
 421         .atag_offset    = 0x100,
 422         .map_io         = omap16xx_map_io,
 423         .init_early     = omap1_init_early,
 424         .init_irq       = omap1_init_irq,
 425         .handle_irq     = omap1_handle_irq,
 426         .init_machine   = h2_init,
 427         .init_late      = omap1_init_late,
 428         .init_time      = omap1_timer_init,
 429         .restart        = omap1_restart,
 430 MACHINE_END