1 // SPDX-License-Identifier: GPL-2.0+ OR BSD-3-Clause 2 /* 3 * Copyright (C) 2018, STMicroelectronics - All Rights Reserved 4 */ 5 6 #include <config.h> 7 #include <common.h> 8 #include <init.h> 9 #include <asm/io.h> 10 #include <asm/arch/sys_proto.h> 11 #include <linux/bitops.h> 12 #include <linux/delay.h> 13 #include "../common/stpmic1.h" 14 15 /* board early initialisation in board_f: need to use global variable */ 16 static u32 opp_voltage_mv __section(".data"); 17 board_vddcore_init(u32 voltage_mv)18void board_vddcore_init(u32 voltage_mv) 19 { 20 if (IS_ENABLED(CONFIG_PMIC_STPMIC1) && CONFIG_IS_ENABLED(POWER_SUPPORT)) 21 opp_voltage_mv = voltage_mv; 22 } 23 board_early_init_f(void)24int board_early_init_f(void) 25 { 26 if (IS_ENABLED(CONFIG_PMIC_STPMIC1) && CONFIG_IS_ENABLED(POWER_SUPPORT)) 27 stpmic1_init(opp_voltage_mv); 28 29 return 0; 30 } 31 32 #ifdef CONFIG_DEBUG_UART_BOARD_INIT board_debug_uart_init(void)33void board_debug_uart_init(void) 34 { 35 #if (CONFIG_DEBUG_UART_BASE == STM32_UART4_BASE) 36 37 #define RCC_MP_APB1ENSETR (STM32_RCC_BASE + 0x0A00) 38 #define RCC_MP_AHB4ENSETR (STM32_RCC_BASE + 0x0A28) 39 40 /* UART4 clock enable */ 41 setbits_le32(RCC_MP_APB1ENSETR, BIT(16)); 42 43 #define GPIOG_BASE 0x50008000 44 /* GPIOG clock enable */ 45 writel(BIT(6), RCC_MP_AHB4ENSETR); 46 /* GPIO configuration for ST boards: Uart4 TX = G11 */ 47 writel(0xffbfffff, GPIOG_BASE + 0x00); 48 writel(0x00006000, GPIOG_BASE + 0x24); 49 #else 50 51 #error("CONFIG_DEBUG_UART_BASE: not supported value") 52 53 #endif 54 } 55 #endif 56