1 /* 2 * (C) Copyright 2016 Rockchip Electronics Co., Ltd 3 * 4 * SPDX-License-Identifier: GPL-2.0+ 5 */ 6 #include <common.h> 7 #include <dm.h> 8 #include <dm/pinctrl.h> 9 #include <dm/uclass-internal.h> 10 #include <asm/arch/periph.h> 11 #include <power/regulator.h> 12 13 DECLARE_GLOBAL_DATA_PTR; 14 15 int board_init(void) 16 { 17 struct udevice *pinctrl, *regulator; 18 int ret; 19 20 /* 21 * The PWM do not have decicated interrupt number in dts and can 22 * not get periph_id by pinctrl framework, so let's init them here. 23 * The PWM2 and PWM3 are for pwm regulater. 24 */ 25 ret = uclass_get_device(UCLASS_PINCTRL, 0, &pinctrl); 26 if (ret) { 27 debug("%s: Cannot find pinctrl device\n", __func__); 28 goto out; 29 } 30 31 ret = pinctrl_request_noflags(pinctrl, PERIPH_ID_PWM2); 32 if (ret) { 33 debug("%s PWM2 pinctrl init fail!\n", __func__); 34 goto out; 35 } 36 37 ret = pinctrl_request_noflags(pinctrl, PERIPH_ID_PWM3); 38 if (ret) { 39 debug("%s PWM3 pinctrl init fail!\n", __func__); 40 goto out; 41 } 42 43 /* rk3399 need init vdd_center to get correct output voltage */ 44 ret = regulator_get_by_platname("vdd_center", ®ulator); 45 if (ret) 46 debug("%s: Cannot get vdd_center regulator\n", __func__); 47 48 ret = regulator_get_by_platname("vcc5v0_host", ®ulator); 49 if (ret) { 50 debug("%s vcc5v0_host init fail! ret %d\n", __func__, ret); 51 goto out; 52 } 53 54 ret = regulator_set_enable(regulator, true); 55 if (ret) { 56 debug("%s vcc5v0-host-en set fail!\n", __func__); 57 goto out; 58 } 59 60 out: 61 return 0; 62 } 63 64 int dram_init(void) 65 { 66 gd->ram_size = 0x80000000; 67 return 0; 68 } 69 70 int dram_init_banksize(void) 71 { 72 /* Reserve 0x200000 for ATF bl31 */ 73 gd->bd->bi_dram[0].start = 0x200000; 74 gd->bd->bi_dram[0].size = 0x7e000000; 75 76 return 0; 77 } 78