diff options
Diffstat (limited to 'board/ti/am335x')
| -rw-r--r-- | board/ti/am335x/board.c | 24 |
1 files changed, 18 insertions, 6 deletions
diff --git a/board/ti/am335x/board.c b/board/ti/am335x/board.c index 6135f07..c2fc5a6 100644 --- a/board/ti/am335x/board.c +++ b/board/ti/am335x/board.c @@ -249,14 +249,13 @@ const struct dpll_params dpll_ddr_bone_black = { void am33xx_spl_board_init(void) { struct am335x_baseboard_id header; - struct dpll_params dpll_mpu = {0, OSC-1, 1, -1, -1, -1, -1}; int mpu_vdd; if (read_eeprom(&header) < 0) puts("Could not get board ID.\n"); /* Get the frequency */ - dpll_mpu.m = am335x_get_efuse_mpu_max_freq(cdev); + dpll_mpu_opp100.m = am335x_get_efuse_mpu_max_freq(cdev); if (board_is_bone(&header) || board_is_bone_lt(&header)) { /* BeagleBone PMIC Code */ @@ -293,13 +292,13 @@ void am33xx_spl_board_init(void) * a Beaglebone Black it supports 1GHz. */ if (board_is_bone_lt(&header)) - dpll_mpu.m = MPUPLL_M_1000; + 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.m == MPUPLL_M_1000) { + 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 { @@ -313,6 +312,15 @@ void am33xx_spl_board_init(void) 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)) { @@ -360,7 +368,8 @@ void am33xx_spl_board_init(void) * VDD to drive at that speed. */ sil_rev = readl(&cdev->deviceid) >> 28; - mpu_vdd = am335x_get_tps65910_mpu_vdd(sil_rev, dpll_mpu.m); + mpu_vdd = am335x_get_tps65910_mpu_vdd(sil_rev, + dpll_mpu_opp100.m); /* Tell the TPS65910 to use i2c */ tps65910_set_i2c_control(); @@ -372,10 +381,13 @@ void am33xx_spl_board_init(void) /* 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); + do_setup_dpll(&dpll_mpu_regs, &dpll_mpu_opp100); } const struct dpll_params *get_dpll_ddr_params(void) |