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- // SPDX-License-Identifier: GPL-2.0+
- /*
- * common.c
- *
- * common board functions for B&R boards
- *
- * Copyright (C) 2013 Hannes Schmelzer <oe5hpm@oevsv.at>
- * Bernecker & Rainer Industrieelektronik GmbH - http://www.br-automation.com
- *
- */
- #include <log.h>
- #include <version.h>
- #include <common.h>
- #include <env.h>
- #include <fdtdec.h>
- #include <i2c.h>
- #include <lcd.h>
- #include <linux/delay.h>
- #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 <asm/arch/hardware.h>
- #include <asm/arch/cpu.h>
- #include <asm/gpio.h>
- #include <power/tps65217.h>
- #include "../../../drivers/video/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 <asm/arch/hardware.h>
- #include <asm/arch/omap.h>
- #include <asm/arch/clock.h>
- #include <asm/arch/sys_proto.h>
- #include <power/tps65217.h>
- 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 */
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