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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 <asm/global_data.h>
#include <linux/delay.h>
#include "bur_common.h"
DECLARE_GLOBAL_DATA_PTR;
/* --------------------------------------------------------------------------*/
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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