1 // SPDX-License-Identifier: GPL-2.0+ 2 /* 3 * common.c 4 * 5 * common board functions for B&R boards 6 * 7 * Copyright (C) 2013 Hannes Schmelzer <oe5hpm@oevsv.at> 8 * Bernecker & Rainer Industrieelektronik GmbH - http://www.br-automation.com 9 * 10 */ 11 #include <version.h> 12 #include <common.h> 13 #include <environment.h> 14 #include <errno.h> 15 #include <asm/arch/cpu.h> 16 #include <asm/arch/hardware.h> 17 #include <asm/arch/omap.h> 18 #include <asm/arch/clock.h> 19 #include <asm/arch/gpio.h> 20 #include <asm/arch/sys_proto.h> 21 #include <asm/arch/mmc_host_def.h> 22 #include <asm/io.h> 23 #include <asm/gpio.h> 24 #include <i2c.h> 25 #include <miiphy.h> 26 #include <cpsw.h> 27 #include <power/tps65217.h> 28 #include <lcd.h> 29 #include "bur_common.h" 30 #include "../../../drivers/video/am335x-fb.h" 31 32 static struct ctrl_dev *cdev = (struct ctrl_dev *)CTRL_DEVICE_BASE; 33 34 DECLARE_GLOBAL_DATA_PTR; 35 36 /* --------------------------------------------------------------------------*/ 37 #if defined(CONFIG_LCD) && defined(CONFIG_AM335X_LCD) && \ 38 !defined(CONFIG_SPL_BUILD) 39 void lcdbacklight(int on) 40 { 41 unsigned int driver = env_get_ulong("ds1_bright_drv", 16, 0UL); 42 unsigned int bright = env_get_ulong("ds1_bright_def", 10, 50); 43 unsigned int pwmfrq = env_get_ulong("ds1_pwmfreq", 10, ~0UL); 44 unsigned int tmp; 45 struct gptimer *timerhw; 46 47 if (on) 48 bright = bright != ~0UL ? bright : 50; 49 else 50 bright = 0; 51 52 switch (driver) { 53 case 2: 54 timerhw = (struct gptimer *)DM_TIMER5_BASE; 55 break; 56 default: 57 timerhw = (struct gptimer *)DM_TIMER6_BASE; 58 } 59 60 switch (driver) { 61 case 0: /* PMIC LED-Driver */ 62 /* brightness level */ 63 tps65217_reg_write(TPS65217_PROT_LEVEL_NONE, 64 TPS65217_WLEDCTRL2, bright, 0xFF); 65 /* current sink */ 66 tps65217_reg_write(TPS65217_PROT_LEVEL_NONE, 67 TPS65217_WLEDCTRL1, 68 bright != 0 ? 0x0A : 0x02, 69 0xFF); 70 break; 71 case 1: 72 case 2: /* PWM using timer */ 73 if (pwmfrq != ~0UL) { 74 timerhw->tiocp_cfg = TCFG_RESET; 75 udelay(10); 76 while (timerhw->tiocp_cfg & TCFG_RESET) 77 ; 78 tmp = ~0UL-(V_OSCK/pwmfrq); /* bottom value */ 79 timerhw->tldr = tmp; 80 timerhw->tcrr = tmp; 81 tmp = tmp + ((V_OSCK/pwmfrq)/100) * bright; 82 timerhw->tmar = tmp; 83 timerhw->tclr = (TCLR_PT | (2 << TCLR_TRG_SHIFT) | 84 TCLR_CE | TCLR_AR | TCLR_ST); 85 } else { 86 puts("invalid pwmfrq in env/dtb! skip PWM-setup.\n"); 87 } 88 break; 89 default: 90 puts("no suitable backlightdriver in env/dtb!\n"); 91 break; 92 } 93 } 94 95 int load_lcdtiming(struct am335x_lcdpanel *panel) 96 { 97 struct am335x_lcdpanel pnltmp; 98 99 pnltmp.hactive = env_get_ulong("ds1_hactive", 10, ~0UL); 100 pnltmp.vactive = env_get_ulong("ds1_vactive", 10, ~0UL); 101 pnltmp.bpp = env_get_ulong("ds1_bpp", 10, ~0UL); 102 pnltmp.hfp = env_get_ulong("ds1_hfp", 10, ~0UL); 103 pnltmp.hbp = env_get_ulong("ds1_hbp", 10, ~0UL); 104 pnltmp.hsw = env_get_ulong("ds1_hsw", 10, ~0UL); 105 pnltmp.vfp = env_get_ulong("ds1_vfp", 10, ~0UL); 106 pnltmp.vbp = env_get_ulong("ds1_vbp", 10, ~0UL); 107 pnltmp.vsw = env_get_ulong("ds1_vsw", 10, ~0UL); 108 pnltmp.pxl_clk = env_get_ulong("ds1_pxlclk", 10, ~0UL); 109 pnltmp.pol = env_get_ulong("ds1_pol", 16, ~0UL); 110 pnltmp.pup_delay = env_get_ulong("ds1_pupdelay", 10, ~0UL); 111 pnltmp.pon_delay = env_get_ulong("ds1_tondelay", 10, ~0UL); 112 panel_info.vl_rot = env_get_ulong("ds1_rotation", 10, 0); 113 114 if ( 115 ~0UL == (pnltmp.hactive) || 116 ~0UL == (pnltmp.vactive) || 117 ~0UL == (pnltmp.bpp) || 118 ~0UL == (pnltmp.hfp) || 119 ~0UL == (pnltmp.hbp) || 120 ~0UL == (pnltmp.hsw) || 121 ~0UL == (pnltmp.vfp) || 122 ~0UL == (pnltmp.vbp) || 123 ~0UL == (pnltmp.vsw) || 124 ~0UL == (pnltmp.pxl_clk) || 125 ~0UL == (pnltmp.pol) || 126 ~0UL == (pnltmp.pup_delay) || 127 ~0UL == (pnltmp.pon_delay) 128 ) { 129 puts("lcd-settings in env/dtb incomplete!\n"); 130 printf("display-timings:\n" 131 "================\n" 132 "hactive: %d\n" 133 "vactive: %d\n" 134 "bpp : %d\n" 135 "hfp : %d\n" 136 "hbp : %d\n" 137 "hsw : %d\n" 138 "vfp : %d\n" 139 "vbp : %d\n" 140 "vsw : %d\n" 141 "pxlclk : %d\n" 142 "pol : 0x%08x\n" 143 "pondly : %d\n", 144 pnltmp.hactive, pnltmp.vactive, pnltmp.bpp, 145 pnltmp.hfp, pnltmp.hbp, pnltmp.hsw, 146 pnltmp.vfp, pnltmp.vbp, pnltmp.vsw, 147 pnltmp.pxl_clk, pnltmp.pol, pnltmp.pon_delay); 148 149 return -1; 150 } 151 debug("lcd-settings in env complete, taking over.\n"); 152 memcpy((void *)panel, 153 (void *)&pnltmp, 154 sizeof(struct am335x_lcdpanel)); 155 156 return 0; 157 } 158 159 static void br_summaryscreen_printenv(char *prefix, 160 char *name, char *altname, 161 char *suffix) 162 { 163 char *envval = env_get(name); 164 if (0 != envval) { 165 lcd_printf("%s %s %s", prefix, envval, suffix); 166 } else if (0 != altname) { 167 envval = env_get(altname); 168 if (0 != envval) 169 lcd_printf("%s %s %s", prefix, envval, suffix); 170 } else { 171 lcd_printf("\n"); 172 } 173 } 174 175 void br_summaryscreen(void) 176 { 177 br_summaryscreen_printenv(" - B&R -", "br_orderno", 0, "-\n"); 178 br_summaryscreen_printenv(" Serial/Rev :", "br_serial", 0, "\n"); 179 br_summaryscreen_printenv(" MAC1 :", "br_mac1", "ethaddr", "\n"); 180 br_summaryscreen_printenv(" MAC2 :", "br_mac2", 0, "\n"); 181 lcd_puts(" Bootloader : " PLAIN_VERSION "\n"); 182 lcd_puts("\n"); 183 } 184 185 void lcdpower(int on) 186 { 187 u32 pin, swval, i; 188 189 pin = env_get_ulong("ds1_pwr", 16, ~0UL); 190 191 if (pin == ~0UL) { 192 puts("no pwrpin in dtb/env, cannot powerup display!\n"); 193 return; 194 } 195 196 for (i = 0; i < 3; i++) { 197 if (pin != 0) { 198 swval = pin & 0x80 ? 0 : 1; 199 if (on) 200 gpio_direction_output(pin & 0x7F, swval); 201 else 202 gpio_direction_output(pin & 0x7F, !swval); 203 204 debug("switched pin %d to %d\n", pin & 0x7F, swval); 205 } 206 pin >>= 8; 207 } 208 } 209 210 vidinfo_t panel_info = { 211 .vl_col = 1366, /* 212 * give full resolution for allocating enough 213 * memory 214 */ 215 .vl_row = 768, 216 .vl_bpix = 5, 217 .priv = 0 218 }; 219 220 void lcd_ctrl_init(void *lcdbase) 221 { 222 struct am335x_lcdpanel lcd_panel; 223 224 memset(&lcd_panel, 0, sizeof(struct am335x_lcdpanel)); 225 if (load_lcdtiming(&lcd_panel) != 0) 226 return; 227 228 lcd_panel.panel_power_ctrl = &lcdpower; 229 230 if (0 != am335xfb_init(&lcd_panel)) 231 printf("ERROR: failed to initialize video!"); 232 /* 233 * modifiy panel info to 'real' resolution, to operate correct with 234 * lcd-framework. 235 */ 236 panel_info.vl_col = lcd_panel.hactive; 237 panel_info.vl_row = lcd_panel.vactive; 238 239 lcd_set_flush_dcache(1); 240 } 241 242 void lcd_enable(void) 243 { 244 br_summaryscreen(); 245 lcdbacklight(1); 246 } 247 #endif /* CONFIG_LCD */ 248 249 int ft_board_setup(void *blob, bd_t *bd) 250 { 251 int nodeoffset; 252 253 nodeoffset = fdt_path_offset(blob, "/factory-settings"); 254 if (nodeoffset < 0) { 255 printf("%s: cannot find /factory-settings, trying /fset\n", 256 __func__); 257 nodeoffset = fdt_path_offset(blob, "/fset"); 258 if (nodeoffset < 0) { 259 printf("%s: cannot find /fset.\n", __func__); 260 return 0; 261 } 262 } 263 264 if (fdt_setprop(blob, nodeoffset, "bl-version", 265 PLAIN_VERSION, strlen(PLAIN_VERSION)) != 0) { 266 printf("%s: no 'bl-version' prop in fdt!\n", __func__); 267 return 0; 268 } 269 return 0; 270 } 271 272 #ifdef CONFIG_SPL_BUILD 273 void pmicsetup(u32 mpupll) 274 { 275 int mpu_vdd; 276 int usb_cur_lim; 277 278 if (i2c_probe(TPS65217_CHIP_PM)) { 279 puts("PMIC (0x24) not found! skip further initalization.\n"); 280 return; 281 } 282 283 /* Get the frequency which is defined by device fuses */ 284 dpll_mpu_opp100.m = am335x_get_efuse_mpu_max_freq(cdev); 285 printf("detected max. frequency: %d - ", dpll_mpu_opp100.m); 286 287 if (0 != mpupll) { 288 dpll_mpu_opp100.m = mpupll; 289 printf("retuning MPU-PLL to: %d MHz.\n", dpll_mpu_opp100.m); 290 } else { 291 puts("ok.\n"); 292 } 293 /* 294 * Increase USB current limit to 1300mA or 1800mA and set 295 * the MPU voltage controller as needed. 296 */ 297 if (dpll_mpu_opp100.m == MPUPLL_M_1000) { 298 usb_cur_lim = TPS65217_USB_INPUT_CUR_LIMIT_1800MA; 299 mpu_vdd = TPS65217_DCDC_VOLT_SEL_1325MV; 300 } else { 301 usb_cur_lim = TPS65217_USB_INPUT_CUR_LIMIT_1300MA; 302 mpu_vdd = TPS65217_DCDC_VOLT_SEL_1275MV; 303 } 304 305 if (tps65217_reg_write(TPS65217_PROT_LEVEL_NONE, TPS65217_POWER_PATH, 306 usb_cur_lim, TPS65217_USB_INPUT_CUR_LIMIT_MASK)) 307 puts("tps65217_reg_write failure\n"); 308 309 /* Set DCDC3 (CORE) voltage to 1.125V */ 310 if (tps65217_voltage_update(TPS65217_DEFDCDC3, 311 TPS65217_DCDC_VOLT_SEL_1125MV)) { 312 puts("tps65217_voltage_update failure\n"); 313 return; 314 } 315 316 /* Set CORE Frequencies to OPP100 */ 317 do_setup_dpll(&dpll_core_regs, &dpll_core_opp100); 318 319 /* Set DCDC2 (MPU) voltage */ 320 if (tps65217_voltage_update(TPS65217_DEFDCDC2, mpu_vdd)) { 321 puts("tps65217_voltage_update failure\n"); 322 return; 323 } 324 325 /* Set LDO3 to 1.8V */ 326 if (tps65217_reg_write(TPS65217_PROT_LEVEL_2, 327 TPS65217_DEFLS1, 328 TPS65217_LDO_VOLTAGE_OUT_1_8, 329 TPS65217_LDO_MASK)) 330 puts("tps65217_reg_write failure\n"); 331 /* Set LDO4 to 3.3V */ 332 if (tps65217_reg_write(TPS65217_PROT_LEVEL_2, 333 TPS65217_DEFLS2, 334 TPS65217_LDO_VOLTAGE_OUT_3_3, 335 TPS65217_LDO_MASK)) 336 puts("tps65217_reg_write failure\n"); 337 338 /* Set MPU Frequency to what we detected now that voltages are set */ 339 do_setup_dpll(&dpll_mpu_regs, &dpll_mpu_opp100); 340 /* Set PWR_EN bit in Status Register */ 341 tps65217_reg_write(TPS65217_PROT_LEVEL_NONE, 342 TPS65217_STATUS, TPS65217_PWR_OFF, TPS65217_PWR_OFF); 343 } 344 345 void set_uart_mux_conf(void) 346 { 347 enable_uart0_pin_mux(); 348 } 349 350 void set_mux_conf_regs(void) 351 { 352 enable_board_pin_mux(); 353 } 354 355 #endif /* CONFIG_SPL_BUILD */ 356 357 #if (defined(CONFIG_DRIVER_TI_CPSW) && !defined(CONFIG_SPL_BUILD)) || \ 358 (defined(CONFIG_SPL_ETH_SUPPORT) && defined(CONFIG_SPL_BUILD)) 359 static void cpsw_control(int enabled) 360 { 361 /* VTP can be added here */ 362 return; 363 } 364 365 /* describing port offsets of TI's CPSW block */ 366 static struct cpsw_slave_data cpsw_slaves[] = { 367 { 368 .slave_reg_ofs = 0x208, 369 .sliver_reg_ofs = 0xd80, 370 .phy_addr = 1, 371 }, 372 { 373 .slave_reg_ofs = 0x308, 374 .sliver_reg_ofs = 0xdc0, 375 .phy_addr = 2, 376 }, 377 }; 378 379 static struct cpsw_platform_data cpsw_data = { 380 .mdio_base = CPSW_MDIO_BASE, 381 .cpsw_base = CPSW_BASE, 382 .mdio_div = 0xff, 383 .channels = 8, 384 .cpdma_reg_ofs = 0x800, 385 .slaves = 1, 386 .slave_data = cpsw_slaves, 387 .ale_reg_ofs = 0xd00, 388 .ale_entries = 1024, 389 .host_port_reg_ofs = 0x108, 390 .hw_stats_reg_ofs = 0x900, 391 .bd_ram_ofs = 0x2000, 392 .mac_control = (1 << 5), 393 .control = cpsw_control, 394 .host_port_num = 0, 395 .version = CPSW_CTRL_VERSION_2, 396 }; 397 #endif /* CONFIG_DRIVER_TI_CPSW, ... */ 398 399 #if defined(CONFIG_DRIVER_TI_CPSW) && !defined(CONFIG_SPL_BUILD) 400 int board_eth_init(bd_t *bis) 401 { 402 int rv = 0; 403 char mac_addr[6]; 404 const char *mac = 0; 405 uint32_t mac_hi, mac_lo; 406 /* try reading mac address from efuse */ 407 mac_lo = readl(&cdev->macid0l); 408 mac_hi = readl(&cdev->macid0h); 409 mac_addr[0] = mac_hi & 0xFF; 410 mac_addr[1] = (mac_hi & 0xFF00) >> 8; 411 mac_addr[2] = (mac_hi & 0xFF0000) >> 16; 412 mac_addr[3] = (mac_hi & 0xFF000000) >> 24; 413 mac_addr[4] = mac_lo & 0xFF; 414 mac_addr[5] = (mac_lo & 0xFF00) >> 8; 415 416 if (!env_get("ethaddr")) { 417 if (!mac) { 418 printf("<ethaddr> not set. validating E-fuse MAC ... "); 419 if (is_valid_ethaddr((const u8 *)mac_addr)) 420 mac = (const char *)mac_addr; 421 } 422 423 if (mac) { 424 printf("using: %pM on ", mac); 425 eth_env_set_enetaddr("ethaddr", (const u8 *)mac); 426 } 427 } 428 writel(MII_MODE_ENABLE, &cdev->miisel); 429 cpsw_slaves[0].phy_if = PHY_INTERFACE_MODE_MII; 430 cpsw_slaves[1].phy_if = PHY_INTERFACE_MODE_MII; 431 432 rv = cpsw_register(&cpsw_data); 433 if (rv < 0) { 434 printf("Error %d registering CPSW switch\n", rv); 435 return 0; 436 } 437 return rv; 438 } 439 #endif /* defined(CONFIG_DRIVER_TI_CPSW) && !defined(CONFIG_SPL_BUILD) */ 440 #if defined(CONFIG_MMC) 441 int board_mmc_init(bd_t *bis) 442 { 443 int rc = 0; 444 445 rc |= omap_mmc_init(0, 0, 0, -1, -1); 446 rc |= omap_mmc_init(1, 0, 0, -1, -1); 447 448 return rc; 449 } 450 #endif 451 int overwrite_console(void) 452 { 453 return 1; 454 } 455