1/* 2 * (C) Copyright 2016 3 * Vikas Manocha, STMicroelectronics, <vikas.manocha@st.com> 4 * 5 * SPDX-License-Identifier: GPL-2.0+ 6 */ 7 8#ifndef _ASM_ARCH_HARDWARE_H 9#define _ASM_ARCH_HARDWARE_H 10 11/* STM32F746 */ 12#define ITCM_FLASH_BASE 0x00200000UL 13#define AXIM_FLASH_BASE 0x08000000UL 14 15#define ITCM_SRAM_BASE 0x00000000UL 16#define DTCM_SRAM_BASE 0x20000000UL 17#define SRAM1_BASE 0x20010000UL 18#define SRAM2_BASE 0x2004C000UL 19 20#define PERIPH_BASE 0x40000000UL 21 22#define APB1_PERIPH_BASE (PERIPH_BASE + 0x00000000) 23#define APB2_PERIPH_BASE (PERIPH_BASE + 0x00010000) 24#define AHB1_PERIPH_BASE (PERIPH_BASE + 0x00020000) 25#define AHB2_PERIPH_BASE (PERIPH_BASE + 0x10000000) 26#define AHB3_PERIPH_BASE (PERIPH_BASE + 0x20000000) 27 28#define TIM2_BASE (APB1_PERIPH_BASE + 0x0000) 29#define USART2_BASE (APB1_PERIPH_BASE + 0x4400) 30#define USART3_BASE (APB1_PERIPH_BASE + 0x4800) 31#define PWR_BASE (APB1_PERIPH_BASE + 0x7000) 32 33#define USART1_BASE (APB2_PERIPH_BASE + 0x1000) 34#define USART6_BASE (APB2_PERIPH_BASE + 0x1400) 35 36#define STM32_GPIOA_BASE (AHB1_PERIPH_BASE + 0x0000) 37#define STM32_GPIOB_BASE (AHB1_PERIPH_BASE + 0x0400) 38#define STM32_GPIOC_BASE (AHB1_PERIPH_BASE + 0x0800) 39#define STM32_GPIOD_BASE (AHB1_PERIPH_BASE + 0x0C00) 40#define STM32_GPIOE_BASE (AHB1_PERIPH_BASE + 0x1000) 41#define STM32_GPIOF_BASE (AHB1_PERIPH_BASE + 0x1400) 42#define STM32_GPIOG_BASE (AHB1_PERIPH_BASE + 0x1800) 43#define STM32_GPIOH_BASE (AHB1_PERIPH_BASE + 0x1C00) 44#define STM32_GPIOI_BASE (AHB1_PERIPH_BASE + 0x2000) 45#define STM32_GPIOJ_BASE (AHB1_PERIPH_BASE + 0x2400) 46#define STM32_GPIOK_BASE (AHB1_PERIPH_BASE + 0x2800) 47#define RCC_BASE (AHB1_PERIPH_BASE + 0x3800) 48#define FLASH_CNTL_BASE (AHB1_PERIPH_BASE + 0x3C00) 49 50 51#define SDRAM_FMC_BASE (AHB3_PERIPH_BASE + 0x4A0000140) 52 53static const u32 sect_sz_kb[CONFIG_SYS_MAX_FLASH_SECT] = { 54 [0 ... 3] = 32 * 1024, 55 [4] = 128 * 1024, 56 [5 ... 7] = 256 * 1024 57}; 58 59enum clock { 60 CLOCK_CORE, 61 CLOCK_AHB, 62 CLOCK_APB1, 63 CLOCK_APB2 64}; 65#define STM32_BUS_MASK 0xFFFF0000 66 67struct stm32_rcc_regs { 68 u32 cr; /* RCC clock control */ 69 u32 pllcfgr; /* RCC PLL configuration */ 70 u32 cfgr; /* RCC clock configuration */ 71 u32 cir; /* RCC clock interrupt */ 72 u32 ahb1rstr; /* RCC AHB1 peripheral reset */ 73 u32 ahb2rstr; /* RCC AHB2 peripheral reset */ 74 u32 ahb3rstr; /* RCC AHB3 peripheral reset */ 75 u32 rsv0; 76 u32 apb1rstr; /* RCC APB1 peripheral reset */ 77 u32 apb2rstr; /* RCC APB2 peripheral reset */ 78 u32 rsv1[2]; 79 u32 ahb1enr; /* RCC AHB1 peripheral clock enable */ 80 u32 ahb2enr; /* RCC AHB2 peripheral clock enable */ 81 u32 ahb3enr; /* RCC AHB3 peripheral clock enable */ 82 u32 rsv2; 83 u32 apb1enr; /* RCC APB1 peripheral clock enable */ 84 u32 apb2enr; /* RCC APB2 peripheral clock enable */ 85 u32 rsv3[2]; 86 u32 ahb1lpenr; /* RCC AHB1 periph clk enable in low pwr mode */ 87 u32 ahb2lpenr; /* RCC AHB2 periph clk enable in low pwr mode */ 88 u32 ahb3lpenr; /* RCC AHB3 periph clk enable in low pwr mode */ 89 u32 rsv4; 90 u32 apb1lpenr; /* RCC APB1 periph clk enable in low pwr mode */ 91 u32 apb2lpenr; /* RCC APB2 periph clk enable in low pwr mode */ 92 u32 rsv5[2]; 93 u32 bdcr; /* RCC Backup domain control */ 94 u32 csr; /* RCC clock control & status */ 95 u32 rsv6[2]; 96 u32 sscgr; /* RCC spread spectrum clock generation */ 97 u32 plli2scfgr; /* RCC PLLI2S configuration */ 98 u32 pllsaicfgr; 99 u32 dckcfgr; 100}; 101#define STM32_RCC ((struct stm32_rcc_regs *)RCC_BASE) 102 103struct stm32_pwr_regs { 104 u32 cr1; /* power control register 1 */ 105 u32 csr1; /* power control/status register 2 */ 106 u32 cr2; /* power control register 2 */ 107 u32 csr2; /* power control/status register 2 */ 108}; 109#define STM32_PWR ((struct stm32_pwr_regs *)PWR_BASE) 110 111int configure_clocks(void); 112unsigned long clock_get(enum clock clck); 113void stm32_flash_latency_cfg(int latency); 114 115#endif /* _ASM_ARCH_HARDWARE_H */ 116