static void print_chip_data(void)
{
struct ctrl_dev *cdev = (struct ctrl_dev *)CTRL_DEVICE_BASE;
dpll_mpu_opp100.m = am335x_get_efuse_mpu_max_freq(cdev);
printf("\nCPU BOARD\n");
printf("device: \t'%s'\n", settings.chip.sdevname);
printf("hw version: \t'%s'\n", settings.chip.shwver);
printf("max freq: \t%d MHz\n", dpll_mpu_opp100.m);
}
void am33xx_spl_board_init(void)
{
struct ctrl_dev *cdev = (struct ctrl_dev *)CTRL_DEVICE_BASE;
/* Get the frequency */
dpll_mpu_opp100.m = am335x_get_efuse_mpu_max_freq(cdev);
/* Set CORE Frequencies to OPP100 */
do_setup_dpll(&dpll_core_regs, &dpll_core_opp100);
/* Set MPU Frequency to what we detected now that voltages are set */
do_setup_dpll(&dpll_mpu_regs, &dpll_mpu_opp100);
}
void am33xx_spl_board_init(void)
{
/*
* The pengwyn board uses the TPS650250 PMIC without I2C
* interface and will output the following fixed voltages:
* DCDC1=3V3 (IO) DCDC2=1V5 (DDR) DCDC3=1V26 (Vmpu)
* VLDO1=1V8 (IO) VLDO2=1V8(IO)
* Vcore=1V1 is fixed, generated by TPS62231
*/
/* Get the frequency */
dpll_mpu_opp100.m = am335x_get_efuse_mpu_max_freq(cdev);
/* Set CORE Frequencies to OPP100 */
do_setup_dpll(&dpll_core_regs, &dpll_core_opp100);
/* 720MHz cpu, this might change on newer board revisions */
dpll_mpu_opp100.m = MPUPLL_M_720;
do_setup_dpll(&dpll_mpu_regs, &dpll_mpu_opp100);
}
void am33xx_spl_board_init(void)
{
int mpu_vdd;
/* Get the frequency */
dpll_mpu_opp100.m = am335x_get_efuse_mpu_max_freq(cdev);
/* BeagleBone PMIC Code */
int usb_cur_lim;
if (i2c_probe(TPS65217_CHIP_PM))
return;
/*
* Override what we have detected since we know if we have
* a Beaglebone Black it supports 1GHz.
*/
dpll_mpu_opp100.m = MPUPLL_M_1000;
/*
* Increase USB current limit to 1300mA or 1800mA and set
* the MPU voltage controller as needed.
*/
usb_cur_lim = TPS65217_USB_INPUT_CUR_LIMIT_1800MA;
mpu_vdd = TPS65217_DCDC_VOLT_SEL_1325MV;
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 and LDO4 to 3.3V for Beaglebone Black.
*/
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");
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);
}
void pmicsetup(u32 mpupll)
{
int mpu_vdd;
int usb_cur_lim;
if (i2c_probe(TPS65217_CHIP_PM)) {
puts("PMIC (0x24) not found! skip further initalization.\n");
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_M_1000;
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 am33xx_spl_board_init(void)
{
struct am335x_baseboard_id header;
int mpu_vdd;
if (read_eeprom(&header) < 0)
{
puts("Wrong data in EEPROM.\n");
hang();
}
if (!board_is_kalitap(&header) &&
!board_is_luna(&header) &&
!board_is_catchwire(&header))
{
puts("Could not get board ID (CatchWire/KaliTAP).\n");
hang();
}
/* Get the frequency */
dpll_mpu_opp100.m = am335x_get_efuse_mpu_max_freq(cdev);
/* BeagleBone and NEWT PMIC Code */
int usb_cur_lim;
if (i2c_probe(TPS65217_CHIP_PM))
return;
/*
* Override what we have detected since we know we have
* a CatchWire/KaliTAP that supports 1GHz.
*/
dpll_mpu_opp100.m = MPUPLL_M_1000;
/*
* 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;
puts("tps65217_reg_write USB_INPUT_CUR_LIMIT_1800MA\n");
} else {
usb_cur_lim = TPS65217_USB_INPUT_CUR_LIMIT_1300MA;
mpu_vdd = TPS65217_DCDC_VOLT_SEL_1275MV;
puts("tps65217_reg_write USB_INPUT_CUR_LIMIT_1300MA\n");
}
if (tps65217_reg_write(TPS65217_PROT_LEVEL_NONE,
TPS65217_POWER_PATH,
usb_cur_lim,
TPS65217_USB_INPUT_CUR_LIMIT_MASK))
{
puts("tps65217_reg_write POWER_PATH failure\n");
}
else
{
uchar pmic_power_path_reg = 0;
puts("tps65217_reg_write POWER_PATH success\n");
tps65217_reg_read(TPS65217_POWER_PATH,
&pmic_power_path_reg);
printf("POWER_PATH : 0%02X\n", pmic_power_path_reg);
}
/* 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;
}
else
{
puts("tps65217_voltage_update success\n");
}
/*
* Set LDO3 to 1.8V and LDO4 to 3.3V for CatchWire/KaliTAP.
*/
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");
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);
}
void am33xx_spl_board_init(void)
{
struct am335x_baseboard_id header;
int mpu_vdd;
puts("am33xx_spl_board_init \n");
if (read_eeprom(&header) < 0)
puts("Could not get board ID.\n");
/* Get the frequency */
dpll_mpu_opp100.m = am335x_get_efuse_mpu_max_freq(cdev);
if (board_is_bone(&header) || board_is_bone_lt(&header)) {
/* BeagleBone PMIC Code */
int usb_cur_lim;
/*
* Only perform PMIC configurations if board rev > A1
* on Beaglebone White
*/
//if (board_is_bone(&header) && !strncmp(header.version,
// "00A1", 4))
// return;
//if (i2c_probe(TPS65217_CHIP_PM))
// return;
/*
* On Beaglebone White we need to ensure we have AC power
* before increasing the frequency.
*/
/* if (board_is_bone(&header)) {
uchar pmic_status_reg;
if (tps65217_reg_read(TPS65217_STATUS,
&pmic_status_reg))
return;
if (!(pmic_status_reg & TPS65217_PWR_SRC_AC_BITMASK)) {
puts("No AC power, disabling frequency switch\n");
return;
}
}*/
/*
* Override what we have detected since we know if we have
* a Beaglebone Black it supports 1GHz.
*/
// if (board_is_bone_lt(&header))
dpll_mpu_opp100.m = MPUPLL_M_1000;
/*
* 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, LDO4 output voltage to 3.3V for Beaglebone.
* Set LDO3 to 1.8V and LDO4 to 3.3V for Beaglebone Black.
*/
// if (board_is_bone(&header)) {
// if (tps65217_reg_write(TPS65217_PROT_LEVEL_2,
// TPS65217_DEFLS1,
// TPS65217_LDO_VOLTAGE_OUT_3_3,
// TPS65217_LDO_MASK))
// puts("tps65217_reg_write failure\n");
// } else {
/// 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");
// }
//
/// 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");
} else {
int sil_rev;
/*
* The GP EVM, IDK and EVM SK use a TPS65910 PMIC. For all
* MPU frequencies we support we use a CORE voltage of
* 1.1375V. For MPU voltage we need to switch based on
* the frequency we are running at.
*/
// if (i2c_probe(TPS65910_CTRL_I2C_ADDR))
// return;
/*
* Depending on MPU clock and PG we will need a different
* VDD to drive at that speed.
*/
// sil_rev = readl(&cdev->deviceid) >> 28;
// mpu_vdd = am335x_get_tps65910_mpu_vdd(sil_rev,
// dpll_mpu_opp100.m);
//
/* Tell the TPS65910 to use i2c */
// tps65910_set_i2c_control();
/* First update MPU voltage. */
// if (tps65910_voltage_update(MPU, mpu_vdd))
// return;
/* Second, update the CORE voltage. */
// if (tps65910_voltage_update(CORE, TPS65910_OP_REG_SEL_1_1_3))
// return;
/* Set CORE Frequencies to OPP100 */
// do_setup_dpll(&dpll_core_regs, &dpll_core_opp100);
}
/* Set MPU Frequency to what we detected now that voltages are set */
do_setup_dpll(&dpll_mpu_regs, &dpll_mpu_opp100);
puts("spl_board_init end \n");
}
