// SPDX-License-Identifier: GPL-2.0+ /* * common.c * * common board functions for B&R boards * * Copyright (C) 2013 Hannes Schmelzer * Bernecker & Rainer Industrieelektronik GmbH - http://www.br-automation.com * */ #include #include #include #include #include #include #include #include #include #include "bur_common.h" DECLARE_GLOBAL_DATA_PTR; /* --------------------------------------------------------------------------*/ #if defined(CONFIG_LCD) && defined(CONFIG_AM335X_LCD) && \ !defined(CONFIG_DM_VIDEO) && !defined(CONFIG_SPL_BUILD) #include #include #include #include #include "../../../drivers/video/ti/am335x-fb.h" void lcdbacklight(int on) { unsigned int driver = env_get_ulong("ds1_bright_drv", 16, 0UL); unsigned int bright = env_get_ulong("ds1_bright_def", 10, 50); unsigned int pwmfrq = env_get_ulong("ds1_pwmfreq", 10, ~0UL); unsigned int tmp; struct gptimer *timerhw; if (on) bright = bright != ~0UL ? bright : 50; else bright = 0; switch (driver) { case 2: timerhw = (struct gptimer *)DM_TIMER5_BASE; break; default: timerhw = (struct gptimer *)DM_TIMER6_BASE; } switch (driver) { case 0: /* PMIC LED-Driver */ /* brightness level */ tps65217_reg_write(TPS65217_PROT_LEVEL_NONE, TPS65217_WLEDCTRL2, bright, 0xFF); /* current sink */ tps65217_reg_write(TPS65217_PROT_LEVEL_NONE, TPS65217_WLEDCTRL1, bright != 0 ? 0x0A : 0x02, 0xFF); break; case 1: case 2: /* PWM using timer */ if (pwmfrq != ~0UL) { timerhw->tiocp_cfg = TCFG_RESET; udelay(10); while (timerhw->tiocp_cfg & TCFG_RESET) ; tmp = ~0UL-(V_OSCK/pwmfrq); /* bottom value */ timerhw->tldr = tmp; timerhw->tcrr = tmp; tmp = tmp + ((V_OSCK/pwmfrq)/100) * bright; timerhw->tmar = tmp; timerhw->tclr = (TCLR_PT | (2 << TCLR_TRG_SHIFT) | TCLR_CE | TCLR_AR | TCLR_ST); } else { puts("invalid pwmfrq in env/dtb! skip PWM-setup.\n"); } break; default: puts("no suitable backlightdriver in env/dtb!\n"); break; } } int load_lcdtiming(struct am335x_lcdpanel *panel) { struct am335x_lcdpanel pnltmp; pnltmp.hactive = env_get_ulong("ds1_hactive", 10, ~0UL); pnltmp.vactive = env_get_ulong("ds1_vactive", 10, ~0UL); pnltmp.bpp = env_get_ulong("ds1_bpp", 10, ~0UL); pnltmp.hfp = env_get_ulong("ds1_hfp", 10, ~0UL); pnltmp.hbp = env_get_ulong("ds1_hbp", 10, ~0UL); pnltmp.hsw = env_get_ulong("ds1_hsw", 10, ~0UL); pnltmp.vfp = env_get_ulong("ds1_vfp", 10, ~0UL); pnltmp.vbp = env_get_ulong("ds1_vbp", 10, ~0UL); pnltmp.vsw = env_get_ulong("ds1_vsw", 10, ~0UL); pnltmp.pxl_clk = env_get_ulong("ds1_pxlclk", 10, ~0UL); pnltmp.pol = env_get_ulong("ds1_pol", 16, ~0UL); pnltmp.pup_delay = env_get_ulong("ds1_pupdelay", 10, ~0UL); pnltmp.pon_delay = env_get_ulong("ds1_tondelay", 10, ~0UL); panel_info.vl_rot = env_get_ulong("ds1_rotation", 10, 0); if ( ~0UL == (pnltmp.hactive) || ~0UL == (pnltmp.vactive) || ~0UL == (pnltmp.bpp) || ~0UL == (pnltmp.hfp) || ~0UL == (pnltmp.hbp) || ~0UL == (pnltmp.hsw) || ~0UL == (pnltmp.vfp) || ~0UL == (pnltmp.vbp) || ~0UL == (pnltmp.vsw) || ~0UL == (pnltmp.pxl_clk) || ~0UL == (pnltmp.pol) || ~0UL == (pnltmp.pup_delay) || ~0UL == (pnltmp.pon_delay) ) { puts("lcd-settings in env/dtb incomplete!\n"); printf("display-timings:\n" "================\n" "hactive: %d\n" "vactive: %d\n" "bpp : %d\n" "hfp : %d\n" "hbp : %d\n" "hsw : %d\n" "vfp : %d\n" "vbp : %d\n" "vsw : %d\n" "pxlclk : %d\n" "pol : 0x%08x\n" "pondly : %d\n", pnltmp.hactive, pnltmp.vactive, pnltmp.bpp, pnltmp.hfp, pnltmp.hbp, pnltmp.hsw, pnltmp.vfp, pnltmp.vbp, pnltmp.vsw, pnltmp.pxl_clk, pnltmp.pol, pnltmp.pon_delay); return -1; } debug("lcd-settings in env complete, taking over.\n"); memcpy((void *)panel, (void *)&pnltmp, sizeof(struct am335x_lcdpanel)); return 0; } static void br_summaryscreen_printenv(char *prefix, char *name, char *altname, char *suffix) { char *envval = env_get(name); if (0 != envval) { lcd_printf("%s %s %s", prefix, envval, suffix); } else if (0 != altname) { envval = env_get(altname); if (0 != envval) lcd_printf("%s %s %s", prefix, envval, suffix); } else { lcd_printf("\n"); } } void br_summaryscreen(void) { br_summaryscreen_printenv(" - B&R -", "br_orderno", 0, "-\n"); br_summaryscreen_printenv(" Serial/Rev :", "br_serial", 0, "\n"); br_summaryscreen_printenv(" MAC1 :", "br_mac1", "ethaddr", "\n"); br_summaryscreen_printenv(" MAC2 :", "br_mac2", 0, "\n"); lcd_puts(" Bootloader : " PLAIN_VERSION "\n"); lcd_puts("\n"); } void lcdpower(int on) { u32 pin, swval, i; char buf[16] = { 0 }; pin = env_get_ulong("ds1_pwr", 16, ~0UL); if (pin == ~0UL) { puts("no pwrpin in dtb/env, cannot powerup display!\n"); return; } for (i = 0; i < 3; i++) { if (pin != 0) { snprintf(buf, sizeof(buf), "ds1_pwr#%d", i); if (gpio_request(pin & 0x7F, buf) != 0) { printf("%s: not able to request gpio %s", __func__, buf); continue; } swval = pin & 0x80 ? 0 : 1; if (on) gpio_direction_output(pin & 0x7F, swval); else gpio_direction_output(pin & 0x7F, !swval); debug("switched pin %d to %d\n", pin & 0x7F, swval); } pin >>= 8; } } vidinfo_t panel_info = { .vl_col = 1366, /* * give full resolution for allocating enough * memory */ .vl_row = 768, .vl_bpix = 5, .priv = 0 }; void lcd_ctrl_init(void *lcdbase) { struct am335x_lcdpanel lcd_panel; memset(&lcd_panel, 0, sizeof(struct am335x_lcdpanel)); if (load_lcdtiming(&lcd_panel) != 0) return; lcd_panel.panel_power_ctrl = &lcdpower; if (0 != am335xfb_init(&lcd_panel)) printf("ERROR: failed to initialize video!"); /* * modifiy panel info to 'real' resolution, to operate correct with * lcd-framework. */ panel_info.vl_col = lcd_panel.hactive; panel_info.vl_row = lcd_panel.vactive; lcd_set_flush_dcache(1); } void lcd_enable(void) { br_summaryscreen(); lcdbacklight(1); } #endif /* CONFIG_LCD */ int ft_board_setup(void *blob, struct bd_info *bd) { int nodeoffset; nodeoffset = fdt_path_offset(blob, "/factory-settings"); if (nodeoffset < 0) { printf("%s: cannot find /factory-settings, trying /fset\n", __func__); nodeoffset = fdt_path_offset(blob, "/fset"); if (nodeoffset < 0) { printf("%s: cannot find /fset.\n", __func__); return 0; } } if (fdt_setprop(blob, nodeoffset, "bl-version", PLAIN_VERSION, strlen(PLAIN_VERSION)) != 0) { printf("%s: no 'bl-version' prop in fdt!\n", __func__); return 0; } return 0; } int brdefaultip_setup(int bus, int chip) { int rc; struct udevice *i2cdev; u8 u8buf = 0; char defip[256] = { 0 }; rc = i2c_get_chip_for_busnum(bus, chip, 2, &i2cdev); if (rc != 0) { printf("WARN: cannot probe baseboard EEPROM!\n"); return -1; } rc = dm_i2c_read(i2cdev, 0, &u8buf, 1); if (rc != 0) { printf("WARN: cannot read baseboard EEPROM!\n"); return -1; } if (u8buf != 0xFF) snprintf(defip, sizeof(defip), "if test -r ${ipaddr}; then; else setenv ipaddr 192.168.60.%d; setenv serverip 192.168.60.254; setenv gatewayip 192.168.60.254; setenv netmask 255.255.255.0; fi;", u8buf); else strncpy(defip, "if test -r ${ipaddr}; then; else setenv ipaddr 192.168.60.1; setenv serverip 192.168.60.254; setenv gatewayip 192.168.60.254; setenv netmask 255.255.255.0; fi;", sizeof(defip)); env_set("brdefaultip", defip); env_set_hex("board_id", u8buf); return 0; } int overwrite_console(void) { return 1; } #if defined(CONFIG_SPL_BUILD) && defined(CONFIG_AM33XX) #include #include #include #include #include static struct ctrl_dev *cdev = (struct ctrl_dev *)CTRL_DEVICE_BASE; void pmicsetup(u32 mpupll, unsigned int bus) { int mpu_vdd; int usb_cur_lim; if (power_tps65217_init(bus)) { printf("WARN: cannot setup PMIC 0x24 @ bus #%d, not found!.\n", bus); return; } /* Get the frequency which is defined by device fuses */ dpll_mpu_opp100.m = am335x_get_efuse_mpu_max_freq(cdev); printf("detected max. frequency: %d - ", dpll_mpu_opp100.m); if (0 != mpupll) { dpll_mpu_opp100.m = mpupll; printf("retuning MPU-PLL to: %d MHz.\n", dpll_mpu_opp100.m); } else { puts("ok.\n"); } /* * Increase USB current limit to 1300mA or 1800mA and set * the MPU voltage controller as needed. */ if (dpll_mpu_opp100.m == MPUPLL_M_1000) { usb_cur_lim = TPS65217_USB_INPUT_CUR_LIMIT_1800MA; mpu_vdd = TPS65217_DCDC_VOLT_SEL_1325MV; } else { usb_cur_lim = TPS65217_USB_INPUT_CUR_LIMIT_1300MA; mpu_vdd = TPS65217_DCDC_VOLT_SEL_1275MV; } if (tps65217_reg_write(TPS65217_PROT_LEVEL_NONE, TPS65217_POWER_PATH, usb_cur_lim, TPS65217_USB_INPUT_CUR_LIMIT_MASK)) puts("tps65217_reg_write failure\n"); /* Set DCDC3 (CORE) voltage to 1.125V */ if (tps65217_voltage_update(TPS65217_DEFDCDC3, TPS65217_DCDC_VOLT_SEL_1125MV)) { puts("tps65217_voltage_update failure\n"); return; } /* Set CORE Frequencies to OPP100 */ do_setup_dpll(&dpll_core_regs, &dpll_core_opp100); /* Set DCDC2 (MPU) voltage */ if (tps65217_voltage_update(TPS65217_DEFDCDC2, mpu_vdd)) { puts("tps65217_voltage_update failure\n"); return; } /* Set LDO3 to 1.8V */ if (tps65217_reg_write(TPS65217_PROT_LEVEL_2, TPS65217_DEFLS1, TPS65217_LDO_VOLTAGE_OUT_1_8, TPS65217_LDO_MASK)) puts("tps65217_reg_write failure\n"); /* Set LDO4 to 3.3V */ if (tps65217_reg_write(TPS65217_PROT_LEVEL_2, TPS65217_DEFLS2, TPS65217_LDO_VOLTAGE_OUT_3_3, TPS65217_LDO_MASK)) puts("tps65217_reg_write failure\n"); /* Set MPU Frequency to what we detected now that voltages are set */ do_setup_dpll(&dpll_mpu_regs, &dpll_mpu_opp100); /* Set PWR_EN bit in Status Register */ tps65217_reg_write(TPS65217_PROT_LEVEL_NONE, TPS65217_STATUS, TPS65217_PWR_OFF, TPS65217_PWR_OFF); } void set_uart_mux_conf(void) { enable_uart0_pin_mux(); } void set_mux_conf_regs(void) { enable_board_pin_mux(); } #endif /* CONFIG_SPL_BUILD && CONFIG_AM33XX */