+++ /dev/null
-/*
- * (C) Copyright 2011
- * Yuri Tikhonov, Emcraft Systems, yur@emcraft.com
- *
- * (C) Copyright 2015
- * Kamil Lulko, <kamil.lulko@gmail.com>
- *
- * Copyright 2015 ATS Advanced Telematics Systems GmbH
- * Copyright 2015 Konsulko Group, Matt Porter <mporter@konsulko.com>
- *
- * SPDX-License-Identifier: GPL-2.0+
- */
-
-#ifndef _STM32_GPIO_H_
-#define _STM32_GPIO_H_
-
-enum stm32_gpio_port {
- STM32_GPIO_PORT_A = 0,
- STM32_GPIO_PORT_B,
- STM32_GPIO_PORT_C,
- STM32_GPIO_PORT_D,
- STM32_GPIO_PORT_E,
- STM32_GPIO_PORT_F,
- STM32_GPIO_PORT_G,
-};
-
-enum stm32_gpio_pin {
- STM32_GPIO_PIN_0 = 0,
- STM32_GPIO_PIN_1,
- STM32_GPIO_PIN_2,
- STM32_GPIO_PIN_3,
- STM32_GPIO_PIN_4,
- STM32_GPIO_PIN_5,
- STM32_GPIO_PIN_6,
- STM32_GPIO_PIN_7,
- STM32_GPIO_PIN_8,
- STM32_GPIO_PIN_9,
- STM32_GPIO_PIN_10,
- STM32_GPIO_PIN_11,
- STM32_GPIO_PIN_12,
- STM32_GPIO_PIN_13,
- STM32_GPIO_PIN_14,
- STM32_GPIO_PIN_15
-};
-
-enum stm32_gpio_icnf {
- STM32_GPIO_ICNF_AN = 0,
- STM32_GPIO_ICNF_IN_FLT,
- STM32_GPIO_ICNF_IN_PUD,
- STM32_GPIO_ICNF_RSVD
-};
-
-enum stm32_gpio_ocnf {
- STM32_GPIO_OCNF_GP_PP = 0,
- STM32_GPIO_OCNF_GP_OD,
- STM32_GPIO_OCNF_AF_PP,
- STM32_GPIO_OCNF_AF_OD
-};
-
-enum stm32_gpio_pupd {
- STM32_GPIO_PUPD_DOWN = 0,
- STM32_GPIO_PUPD_UP,
-};
-
-enum stm32_gpio_mode {
- STM32_GPIO_MODE_IN = 0,
- STM32_GPIO_MODE_OUT_10M,
- STM32_GPIO_MODE_OUT_2M,
- STM32_GPIO_MODE_OUT_50M
-};
-
-enum stm32_gpio_af {
- STM32_GPIO_AF0 = 0,
- STM32_GPIO_AF1,
- STM32_GPIO_AF2,
- STM32_GPIO_AF3,
- STM32_GPIO_AF4,
- STM32_GPIO_AF5,
- STM32_GPIO_AF6,
- STM32_GPIO_AF7,
- STM32_GPIO_AF8,
- STM32_GPIO_AF9,
- STM32_GPIO_AF10,
- STM32_GPIO_AF11,
- STM32_GPIO_AF12,
- STM32_GPIO_AF13,
- STM32_GPIO_AF14,
- STM32_GPIO_AF15
-};
-
-struct stm32_gpio_dsc {
- enum stm32_gpio_port port;
- enum stm32_gpio_pin pin;
-};
-
-struct stm32_gpio_ctl {
- enum stm32_gpio_icnf icnf;
- enum stm32_gpio_ocnf ocnf;
- enum stm32_gpio_mode mode;
- enum stm32_gpio_pupd pupd;
- enum stm32_gpio_af af;
-};
-
-static inline unsigned stm32_gpio_to_port(unsigned gpio)
-{
- return gpio / 16;
-}
-
-static inline unsigned stm32_gpio_to_pin(unsigned gpio)
-{
- return gpio % 16;
-}
-
-int stm32_gpio_config(const struct stm32_gpio_dsc *gpio_dsc,
- const struct stm32_gpio_ctl *gpio_ctl);
-int stm32_gpout_set(const struct stm32_gpio_dsc *gpio_dsc, int state);
-
-#endif /* _STM32_GPIO_H_ */
+++ /dev/null
-/*
- * (C) Copyright 2011
- * Yuri Tikhonov, Emcraft Systems, yur@emcraft.com
- *
- * (C) Copyright 2015
- * Kamil Lulko, <kamil.lulko@gmail.com>
- *
- * Copyright 2015 ATS Advanced Telematics Systems GmbH
- * Copyright 2015 Konsulko Group, Matt Porter <mporter@konsulko.com>
- *
- * SPDX-License-Identifier: GPL-2.0+
- */
-
-#ifndef _MACH_STM32_H_
-#define _MACH_STM32_H_
-
-/*
- * Peripheral memory map
- */
-#define STM32_PERIPH_BASE 0x40000000
-#define STM32_APB1PERIPH_BASE (STM32_PERIPH_BASE + 0x00000000)
-#define STM32_APB2PERIPH_BASE (STM32_PERIPH_BASE + 0x00010000)
-#define STM32_AHB1PERIPH_BASE (STM32_PERIPH_BASE + 0x00018000)
-
-#define STM32_BUS_MASK 0xFFFF0000
-
-#define STM32_GPIOA_BASE (STM32_APB2PERIPH_BASE + 0x0800)
-#define STM32_GPIOB_BASE (STM32_APB2PERIPH_BASE + 0x0C00)
-#define STM32_GPIOC_BASE (STM32_APB2PERIPH_BASE + 0x1000)
-#define STM32_GPIOD_BASE (STM32_APB2PERIPH_BASE + 0x1400)
-#define STM32_GPIOE_BASE (STM32_APB2PERIPH_BASE + 0x1800)
-#define STM32_GPIOF_BASE (STM32_APB2PERIPH_BASE + 0x1C00)
-#define STM32_GPIOG_BASE (STM32_APB2PERIPH_BASE + 0x2000)
-
-/*
- * Register maps
- */
-struct stm32_des_regs {
- u16 flash_size;
- u16 pad1;
- u32 pad2;
- u32 uid0;
- u32 uid1;
- u32 uid2;
-};
-
-struct stm32_rcc_regs {
- u32 cr; /* RCC clock control */
- u32 cfgr; /* RCC clock configuration */
- u32 cir; /* RCC clock interrupt */
- u32 apb2rstr; /* RCC APB2 peripheral reset */
- u32 apb1rstr; /* RCC APB1 peripheral reset */
- u32 ahbenr; /* RCC AHB peripheral clock enable */
- u32 apb2enr; /* RCC APB2 peripheral clock enable */
- u32 apb1enr; /* RCC APB1 peripheral clock enable */
- u32 bdcr; /* RCC Backup domain control */
- u32 csr; /* RCC clock control & status */
-};
-
-struct stm32_pwr_regs {
- u32 cr;
- u32 csr;
-};
-
-struct stm32_flash_regs {
- u32 acr;
- u32 keyr;
- u32 optkeyr;
- u32 sr;
- u32 cr;
- u32 ar;
- u32 rsvd1; /* Reserved */
- u32 obr;
- u32 wrpr;
- u32 rsvd2[8]; /* Reserved */
- u32 keyr2;
- u32 rsvd3;
- u32 sr2;
- u32 cr2;
- u32 ar2;
-};
-
-/* Per bank register set for XL devices */
-struct stm32_flash_bank_regs {
- u32 keyr;
- u32 rsvd; /* Reserved */
- u32 sr;
- u32 cr;
- u32 ar;
-};
-
-/*
- * Registers access macros
- */
-#define STM32_DES_BASE (0x1ffff7e0)
-#define STM32_DES ((struct stm32_des_regs *)STM32_DES_BASE)
-
-#define STM32_RCC_BASE (STM32_AHB1PERIPH_BASE + 0x9000)
-#define STM32_RCC ((struct stm32_rcc_regs *)STM32_RCC_BASE)
-
-#define STM32_PWR_BASE (STM32_APB1PERIPH_BASE + 0x7000)
-#define STM32_PWR ((struct stm32_pwr_regs *)STM32_PWR_BASE)
-
-#define STM32_FLASH_BASE (STM32_AHB1PERIPH_BASE + 0xa000)
-#define STM32_FLASH ((struct stm32_flash_regs *)STM32_FLASH_BASE)
-
-#define STM32_FLASH_SR_BSY (1 << 0)
-
-#define STM32_FLASH_CR_PG (1 << 0)
-#define STM32_FLASH_CR_PER (1 << 1)
-#define STM32_FLASH_CR_STRT (1 << 6)
-#define STM32_FLASH_CR_LOCK (1 << 7)
-
-enum clock {
- CLOCK_CORE,
- CLOCK_AHB,
- CLOCK_APB1,
- CLOCK_APB2
-};
-
-int configure_clocks(void);
-unsigned long clock_get(enum clock clck);
-
-#endif /* _MACH_STM32_H_ */
config STM32F4
bool "stm32f4 family"
-config STM32F1
- bool "stm32f1 family"
-
config STM32F7
bool "stm32f7 family"
select SUPPORT_SPL
select SPL_XIP_SUPPORT
source "arch/arm/mach-stm32/stm32f4/Kconfig"
-source "arch/arm/mach-stm32/stm32f1/Kconfig"
source "arch/arm/mach-stm32/stm32f7/Kconfig"
endif
# SPDX-License-Identifier: GPL-2.0+
#
-obj-$(CONFIG_STM32F1) += stm32f1/
obj-$(CONFIG_STM32F4) += stm32f4/
obj-$(CONFIG_STM32F7) += stm32f7/
+++ /dev/null
-if STM32F1
-
-endif
+++ /dev/null
-#
-# (C) Copyright 2000-2006
-# Wolfgang Denk, DENX Software Engineering, wd@denx.de.
-#
-# (C) Copyright 2015
-# Kamil Lulko, <kamil.lulko@gmail.com>
-#
-# Copyright 2015 ATS Advanced Telematics Systems GmbH
-# Copyright 2015 Konsulko Group, Matt Porter <mporter@konsulko.com>
-#
-# SPDX-License-Identifier: GPL-2.0+
-#
-
-obj-y += soc.o clock.o timer.o flash.o
+++ /dev/null
-/*
- * (C) Copyright 2015
- * Kamil Lulko, <kamil.lulko@gmail.com>
- *
- * Copyright 2015 ATS Advanced Telematics Systems GmbH
- * Copyright 2015 Konsulko Group, Matt Porter <mporter@konsulko.com>
- *
- * (C) Copyright 2014
- * STMicroelectronics
- *
- * SPDX-License-Identifier: GPL-2.0+
- */
-
-#include <common.h>
-#include <asm/io.h>
-#include <asm/arch/stm32.h>
-
-#define RCC_CR_HSION (1 << 0)
-#define RCC_CR_HSEON (1 << 16)
-#define RCC_CR_HSERDY (1 << 17)
-#define RCC_CR_HSEBYP (1 << 18)
-#define RCC_CR_CSSON (1 << 19)
-#define RCC_CR_PLLON (1 << 24)
-#define RCC_CR_PLLRDY (1 << 25)
-
-#define RCC_CFGR_PLLMUL_MASK 0x3C0000
-#define RCC_CFGR_PLLMUL_SHIFT 18
-#define RCC_CFGR_PLLSRC_HSE (1 << 16)
-
-#define RCC_CFGR_AHB_PSC_MASK 0xF0
-#define RCC_CFGR_APB1_PSC_MASK 0x700
-#define RCC_CFGR_APB2_PSC_MASK 0x3800
-#define RCC_CFGR_SW0 (1 << 0)
-#define RCC_CFGR_SW1 (1 << 1)
-#define RCC_CFGR_SW_MASK 0x3
-#define RCC_CFGR_SW_HSI 0
-#define RCC_CFGR_SW_HSE RCC_CFGR_SW0
-#define RCC_CFGR_SW_PLL RCC_CFGR_SW1
-#define RCC_CFGR_SWS0 (1 << 2)
-#define RCC_CFGR_SWS1 (1 << 3)
-#define RCC_CFGR_SWS_MASK 0xC
-#define RCC_CFGR_SWS_HSI 0
-#define RCC_CFGR_SWS_HSE RCC_CFGR_SWS0
-#define RCC_CFGR_SWS_PLL RCC_CFGR_SWS1
-#define RCC_CFGR_HPRE_SHIFT 4
-#define RCC_CFGR_PPRE1_SHIFT 8
-#define RCC_CFGR_PPRE2_SHIFT 11
-
-#define RCC_APB1ENR_PWREN (1 << 28)
-
-#define PWR_CR_VOS0 (1 << 14)
-#define PWR_CR_VOS1 (1 << 15)
-#define PWR_CR_VOS_MASK 0xC000
-#define PWR_CR_VOS_SCALE_MODE_1 (PWR_CR_VOS0 | PWR_CR_VOS1)
-#define PWR_CR_VOS_SCALE_MODE_2 (PWR_CR_VOS1)
-#define PWR_CR_VOS_SCALE_MODE_3 (PWR_CR_VOS0)
-
-#define FLASH_ACR_WS(n) n
-#define FLASH_ACR_PRFTEN (1 << 8)
-#define FLASH_ACR_ICEN (1 << 9)
-#define FLASH_ACR_DCEN (1 << 10)
-
-struct psc {
- u8 ahb_psc;
- u8 apb1_psc;
- u8 apb2_psc;
-};
-
-#define AHB_PSC_1 0
-#define AHB_PSC_2 0x8
-#define AHB_PSC_4 0x9
-#define AHB_PSC_8 0xA
-#define AHB_PSC_16 0xB
-#define AHB_PSC_64 0xC
-#define AHB_PSC_128 0xD
-#define AHB_PSC_256 0xE
-#define AHB_PSC_512 0xF
-
-#define APB_PSC_1 0
-#define APB_PSC_2 0x4
-#define APB_PSC_4 0x5
-#define APB_PSC_8 0x6
-#define APB_PSC_16 0x7
-
-#if !defined(CONFIG_STM32_HSE_HZ)
-#error "CONFIG_STM32_HSE_HZ not defined!"
-#else
-#if (CONFIG_STM32_HSE_HZ == 8000000)
-#define RCC_CFGR_PLLMUL_CFG 0x7
-struct psc psc_hse = {
- .ahb_psc = AHB_PSC_1,
- .apb1_psc = APB_PSC_2,
- .apb2_psc = APB_PSC_1
-};
-#else
-#error "No PLL/Prescaler configuration for given CONFIG_STM32_HSE_HZ exists"
-#endif
-#endif
-
-int configure_clocks(void)
-{
- /* Reset RCC configuration */
- setbits_le32(&STM32_RCC->cr, RCC_CR_HSION);
- writel(0, &STM32_RCC->cfgr); /* Reset CFGR */
- clrbits_le32(&STM32_RCC->cr, (RCC_CR_HSEON | RCC_CR_CSSON
- | RCC_CR_PLLON));
- clrbits_le32(&STM32_RCC->cr, RCC_CR_HSEBYP);
- writel(0, &STM32_RCC->cir); /* Disable all interrupts */
-
- /* Configure for HSE+PLL operation */
- setbits_le32(&STM32_RCC->cr, RCC_CR_HSEON);
- while (!(readl(&STM32_RCC->cr) & RCC_CR_HSERDY))
- ;
-
- /* Enable high performance mode, System frequency up to 168 MHz */
- setbits_le32(&STM32_RCC->apb1enr, RCC_APB1ENR_PWREN);
- writel(PWR_CR_VOS_SCALE_MODE_1, &STM32_PWR->cr);
-
- setbits_le32(&STM32_RCC->cfgr,
- RCC_CFGR_PLLMUL_CFG << RCC_CFGR_PLLMUL_SHIFT);
- setbits_le32(&STM32_RCC->cfgr, RCC_CFGR_PLLSRC_HSE);
- setbits_le32(&STM32_RCC->cfgr, ((
- psc_hse.ahb_psc << RCC_CFGR_HPRE_SHIFT)
- | (psc_hse.apb1_psc << RCC_CFGR_PPRE1_SHIFT)
- | (psc_hse.apb2_psc << RCC_CFGR_PPRE2_SHIFT)));
-
- setbits_le32(&STM32_RCC->cr, RCC_CR_PLLON);
-
- while (!(readl(&STM32_RCC->cr) & RCC_CR_PLLRDY))
- ;
-
- /* 5 wait states, Prefetch enabled, D-Cache enabled, I-Cache enabled */
- writel(FLASH_ACR_WS(5) | FLASH_ACR_PRFTEN | FLASH_ACR_ICEN
- | FLASH_ACR_DCEN, &STM32_FLASH->acr);
-
- clrbits_le32(&STM32_RCC->cfgr, (RCC_CFGR_SW0 | RCC_CFGR_SW1));
- setbits_le32(&STM32_RCC->cfgr, RCC_CFGR_SW_PLL);
-
- while ((readl(&STM32_RCC->cfgr) & RCC_CFGR_SWS_MASK) !=
- RCC_CFGR_SWS_PLL)
- ;
-
- return 0;
-}
-
-unsigned long clock_get(enum clock clck)
-{
- u32 sysclk = 0;
- u32 shift = 0;
- /* PLL table lookups for clock computation */
- u8 pll_mul_table[16] = {
- 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 16
- };
- /* Prescaler table lookups for clock computation */
- u8 ahb_psc_table[16] = {
- 0, 0, 0, 0, 0, 0, 0, 0, 1, 2, 3, 4, 6, 7, 8, 9
- };
- u8 apb_psc_table[8] = {
- 0, 0, 0, 0, 1, 2, 3, 4
- };
-
- if ((readl(&STM32_RCC->cfgr) & RCC_CFGR_SWS_MASK) ==
- RCC_CFGR_SWS_PLL) {
- u16 pll;
- pll = ((readl(&STM32_RCC->cfgr) & RCC_CFGR_PLLMUL_MASK)
- >> RCC_CFGR_PLLMUL_SHIFT);
- sysclk = CONFIG_STM32_HSE_HZ * pll_mul_table[pll];
- }
-
- switch (clck) {
- case CLOCK_CORE:
- return sysclk;
- break;
- case CLOCK_AHB:
- shift = ahb_psc_table[(
- (readl(&STM32_RCC->cfgr) & RCC_CFGR_AHB_PSC_MASK)
- >> RCC_CFGR_HPRE_SHIFT)];
- return sysclk >>= shift;
- break;
- case CLOCK_APB1:
- shift = apb_psc_table[(
- (readl(&STM32_RCC->cfgr) & RCC_CFGR_APB1_PSC_MASK)
- >> RCC_CFGR_PPRE1_SHIFT)];
- return sysclk >>= shift;
- break;
- case CLOCK_APB2:
- shift = apb_psc_table[(
- (readl(&STM32_RCC->cfgr) & RCC_CFGR_APB2_PSC_MASK)
- >> RCC_CFGR_PPRE2_SHIFT)];
- return sysclk >>= shift;
- break;
- default:
- return 0;
- break;
- }
-}
+++ /dev/null
-/*
- * (C) Copyright 2015
- * Kamil Lulko, <kamil.lulko@gmail.com>
- *
- * Copyright 2015 ATS Advanced Telematics Systems GmbH
- * Copyright 2015 Konsulko Group, Matt Porter <mporter@konsulko.com>
- *
- * SPDX-License-Identifier: GPL-2.0+
- */
-
-#include <common.h>
-#include <asm/io.h>
-#include <asm/arch/stm32.h>
-
-#define STM32_FLASH_KEY1 0x45670123
-#define STM32_FLASH_KEY2 0xcdef89ab
-
-#define STM32_NUM_BANKS 2
-#define STM32_MAX_BANK 0x200
-
-flash_info_t flash_info[STM32_NUM_BANKS];
-static struct stm32_flash_bank_regs *flash_bank[STM32_NUM_BANKS];
-
-static void stm32f1_flash_lock(u8 bank, u8 lock)
-{
- if (lock) {
- setbits_le32(&flash_bank[bank]->cr, STM32_FLASH_CR_LOCK);
- } else {
- writel(STM32_FLASH_KEY1, &flash_bank[bank]->keyr);
- writel(STM32_FLASH_KEY2, &flash_bank[bank]->keyr);
- }
-}
-
-/* Only XL devices are supported (2 KiB sector size) */
-unsigned long flash_init(void)
-{
- u8 i, banks;
- u16 j, size;
-
- /* Set up accessors for XL devices with wonky register layout */
- flash_bank[0] = (struct stm32_flash_bank_regs *)&STM32_FLASH->keyr;
- flash_bank[1] = (struct stm32_flash_bank_regs *)&STM32_FLASH->keyr2;
-
- /*
- * Get total flash size (in KiB) and configure number of banks
- * present and sector count per bank.
- */
- size = readw(&STM32_DES->flash_size);
- if (size <= STM32_MAX_BANK) {
- banks = 1;
- flash_info[0].sector_count = size >> 1;
- } else {
- banks = 2;
- flash_info[0].sector_count = STM32_MAX_BANK >> 1;
- flash_info[1].sector_count = (size - STM32_MAX_BANK) >> 1;
- }
-
- /* Configure start/size for all sectors */
- for (i = 0; i < banks; i++) {
- flash_info[i].flash_id = FLASH_STM32F1;
- flash_info[i].start[0] = CONFIG_SYS_FLASH_BASE + (i << 19);
- flash_info[i].size = 2048;
- for (j = 1; (j < flash_info[i].sector_count); j++) {
- flash_info[i].start[j] = flash_info[i].start[j - 1]
- + 2048;
- flash_info[i].size += 2048;
- }
- }
-
- return size << 10;
-}
-
-void flash_print_info(flash_info_t *info)
-{
- int i;
-
- if (info->flash_id == FLASH_UNKNOWN) {
- printf("Missing or unknown FLASH type\n");
- return;
- } else if (info->flash_id == FLASH_STM32F1) {
- printf("STM32F1 Embedded Flash\n");
- }
-
- printf(" Size: %ld MB in %d Sectors\n",
- info->size >> 10, info->sector_count);
-
- printf(" Sector Start Addresses:");
- for (i = 0; i < info->sector_count; ++i) {
- if ((i % 5) == 0)
- printf("\n ");
- printf(" %08lX%s",
- info->start[i],
- info->protect[i] ? " (RO)" : " ");
- }
- printf("\n");
- return;
-}
-
-int flash_erase(flash_info_t *info, int first, int last)
-{
- u8 bank = 0xff;
- int i;
-
- for (i = 0; i < STM32_NUM_BANKS; i++) {
- if (info == &flash_info[i]) {
- bank = i;
- break;
- }
- }
- if (bank == 0xff)
- return -1;
-
- stm32f1_flash_lock(bank, 0);
-
- for (i = first; i <= last; i++) {
- while (readl(&flash_bank[bank]->sr) & STM32_FLASH_SR_BSY)
- ;
-
- setbits_le32(&flash_bank[bank]->cr, STM32_FLASH_CR_PER);
-
- writel(info->start[i], &flash_bank[bank]->ar);
-
- setbits_le32(&flash_bank[bank]->cr, STM32_FLASH_CR_STRT);
-
- while (readl(&flash_bank[bank]->sr) & STM32_FLASH_SR_BSY)
- ;
- }
-
- clrbits_le32(&flash_bank[bank]->cr, STM32_FLASH_CR_PER);
-
- stm32f1_flash_lock(bank, 1);
-
- return 0;
-}
-
-int write_buff(flash_info_t *info, uchar *src, ulong addr, ulong cnt)
-{
- ulong i;
- u8 bank = 0xff;
-
- if (addr & 1) {
- printf("Flash address must be half word aligned\n");
- return -1;
- }
-
- if (cnt & 1) {
- printf("Flash length must be half word aligned\n");
- return -1;
- }
-
- for (i = 0; i < 2; i++) {
- if (info == &flash_info[i]) {
- bank = i;
- break;
- }
- }
-
- if (bank == 0xff)
- return -1;
-
- while (readl(&flash_bank[bank]->sr) & STM32_FLASH_SR_BSY)
- ;
-
- stm32f1_flash_lock(bank, 0);
-
- setbits_le32(&flash_bank[bank]->cr, STM32_FLASH_CR_PG);
-
- /* STM32F1 requires half word writes */
- for (i = 0; i < cnt >> 1; i++) {
- *(u16 *)(addr + i * 2) = ((u16 *)src)[i];
- while (readl(&flash_bank[bank]->sr) & STM32_FLASH_SR_BSY)
- ;
- }
-
- clrbits_le32(&flash_bank[bank]->cr, STM32_FLASH_CR_PG);
-
- stm32f1_flash_lock(bank, 1);
-
- return 0;
-}
+++ /dev/null
-/*
- * (C) Copyright 2015
- * Kamil Lulko, <kamil.lulko@gmail.com>
- *
- * Copyright 2015 ATS Advanced Telematics Systems GmbH
- * Copyright 2015 Konsulko Group, Matt Porter <mporter@konsulko.com>
- *
- * SPDX-License-Identifier: GPL-2.0+
- */
-
-#include <common.h>
-#include <asm/io.h>
-#include <asm/armv7m.h>
-#include <asm/arch/stm32.h>
-
-u32 get_cpu_rev(void)
-{
- return 0;
-}
-
-int arch_cpu_init(void)
-{
- configure_clocks();
-
- /*
- * Configure the memory protection unit (MPU) to allow full access to
- * the whole 4GB address space.
- */
- writel(0, &V7M_MPU->rnr);
- writel(0, &V7M_MPU->rbar);
- writel((V7M_MPU_RASR_AP_RW_RW | V7M_MPU_RASR_SIZE_4GB
- | V7M_MPU_RASR_EN), &V7M_MPU->rasr);
- writel(V7M_MPU_CTRL_ENABLE | V7M_MPU_CTRL_HFNMIENA, &V7M_MPU->ctrl);
-
- return 0;
-}
+++ /dev/null
-/*
- * (C) Copyright 2015
- * Kamil Lulko, <kamil.lulko@gmail.com>
- *
- * Copyright 2015 ATS Advanced Telematics Systems GmbH
- * Copyright 2015 Konsulko Group, Matt Porter <mporter@konsulko.com>
- *
- * SPDX-License-Identifier: GPL-2.0+
- */
-
-#include <common.h>
-#include <asm/io.h>
-#include <asm/armv7m.h>
-#include <asm/arch/stm32.h>
-
-DECLARE_GLOBAL_DATA_PTR;
-
-#define STM32_TIM2_BASE (STM32_APB1PERIPH_BASE + 0x0000)
-
-#define RCC_APB1ENR_TIM2EN (1 << 0)
-
-struct stm32_tim2_5 {
- u32 cr1;
- u32 cr2;
- u32 smcr;
- u32 dier;
- u32 sr;
- u32 egr;
- u32 ccmr1;
- u32 ccmr2;
- u32 ccer;
- u32 cnt;
- u32 psc;
- u32 arr;
- u32 reserved1;
- u32 ccr1;
- u32 ccr2;
- u32 ccr3;
- u32 ccr4;
- u32 reserved2;
- u32 dcr;
- u32 dmar;
- u32 or;
-};
-
-#define TIM_CR1_CEN (1 << 0)
-
-#define TIM_EGR_UG (1 << 0)
-
-int timer_init(void)
-{
- struct stm32_tim2_5 *tim = (struct stm32_tim2_5 *)STM32_TIM2_BASE;
-
- setbits_le32(&STM32_RCC->apb1enr, RCC_APB1ENR_TIM2EN);
-
- if (clock_get(CLOCK_AHB) == clock_get(CLOCK_APB1))
- writel((clock_get(CLOCK_APB1) / CONFIG_SYS_HZ_CLOCK) - 1,
- &tim->psc);
- else
- writel(((clock_get(CLOCK_APB1) * 2) / CONFIG_SYS_HZ_CLOCK) - 1,
- &tim->psc);
-
- writel(0xFFFFFFFF, &tim->arr);
- writel(TIM_CR1_CEN, &tim->cr1);
- setbits_le32(&tim->egr, TIM_EGR_UG);
-
- gd->arch.tbl = 0;
- gd->arch.tbu = 0;
- gd->arch.lastinc = 0;
-
- return 0;
-}
-
-ulong get_timer(ulong base)
-{
- return (get_ticks() / (CONFIG_SYS_HZ_CLOCK / CONFIG_SYS_HZ)) - base;
-}
-
-unsigned long long get_ticks(void)
-{
- struct stm32_tim2_5 *tim = (struct stm32_tim2_5 *)STM32_TIM2_BASE;
- u32 now;
-
- now = readl(&tim->cnt);
-
- if (now >= gd->arch.lastinc)
- gd->arch.tbl += (now - gd->arch.lastinc);
- else
- gd->arch.tbl += (0xFFFFFFFF - gd->arch.lastinc) + now;
-
- gd->arch.lastinc = now;
-
- return gd->arch.tbl;
-}
-
-void reset_timer(void)
-{
- struct stm32_tim2_5 *tim = (struct stm32_tim2_5 *)STM32_TIM2_BASE;
-
- gd->arch.lastinc = readl(&tim->cnt);
- gd->arch.tbl = 0;
-}
-
-/* delay x useconds */
-void __udelay(ulong usec)
-{
- unsigned long long start;
-
- start = get_ticks(); /* get current timestamp */
- while ((get_ticks() - start) < usec)
- ; /* loop till time has passed */
-}
-
-/*
- * This function is derived from PowerPC code (timebase clock frequency).
- * On ARM it returns the number of timer ticks per second.
- */
-ulong get_tbclk(void)
-{
- return CONFIG_SYS_HZ_CLOCK;
-}
DECLARE_GLOBAL_DATA_PTR;
-#if defined(CONFIG_STM32F4) || defined(CONFIG_STM32F7)
static const unsigned long io_base[] = {
STM32_GPIOA_BASE, STM32_GPIOB_BASE, STM32_GPIOC_BASE,
STM32_GPIOD_BASE, STM32_GPIOE_BASE, STM32_GPIOF_BASE,
out:
return rv;
}
-#elif defined(CONFIG_STM32F1)
-static const unsigned long io_base[] = {
- STM32_GPIOA_BASE, STM32_GPIOB_BASE, STM32_GPIOC_BASE,
- STM32_GPIOD_BASE, STM32_GPIOE_BASE, STM32_GPIOF_BASE,
- STM32_GPIOG_BASE
-};
-
-#define STM32_GPIO_CR_MODE_MASK 0x3
-#define STM32_GPIO_CR_MODE_SHIFT(p) (p * 4)
-#define STM32_GPIO_CR_CNF_MASK 0x3
-#define STM32_GPIO_CR_CNF_SHIFT(p) (p * 4 + 2)
-
-struct stm32_gpio_regs {
- u32 crl; /* GPIO port configuration low */
- u32 crh; /* GPIO port configuration high */
- u32 idr; /* GPIO port input data */
- u32 odr; /* GPIO port output data */
- u32 bsrr; /* GPIO port bit set/reset */
- u32 brr; /* GPIO port bit reset */
- u32 lckr; /* GPIO port configuration lock */
-};
-
-#define CHECK_DSC(x) (!x || x->port > 6 || x->pin > 15)
-#define CHECK_CTL(x) (!x || x->mode > 3 || x->icnf > 3 || x->ocnf > 3 || \
- x->pupd > 1)
-
-int stm32_gpio_config(const struct stm32_gpio_dsc *dsc,
- const struct stm32_gpio_ctl *ctl)
-{
- struct stm32_gpio_regs *gpio_regs;
- u32 *cr;
- int p, crp;
- int rv;
-
- if (CHECK_DSC(dsc)) {
- rv = -EINVAL;
- goto out;
- }
- if (CHECK_CTL(ctl)) {
- rv = -EINVAL;
- goto out;
- }
-
- p = dsc->pin;
-
- gpio_regs = (struct stm32_gpio_regs *)io_base[dsc->port];
-
- if (p < 8) {
- cr = &gpio_regs->crl;
- crp = p;
- } else {
- cr = &gpio_regs->crh;
- crp = p - 8;
- }
-
- clrbits_le32(cr, 0x3 << STM32_GPIO_CR_MODE_SHIFT(crp));
- setbits_le32(cr, ctl->mode << STM32_GPIO_CR_MODE_SHIFT(crp));
-
- clrbits_le32(cr, 0x3 << STM32_GPIO_CR_CNF_SHIFT(crp));
- /* Inputs set the optional pull up / pull down */
- if (ctl->mode == STM32_GPIO_MODE_IN) {
- setbits_le32(cr, ctl->icnf << STM32_GPIO_CR_CNF_SHIFT(crp));
- clrbits_le32(&gpio_regs->odr, 0x1 << p);
- setbits_le32(&gpio_regs->odr, ctl->pupd << p);
- } else {
- setbits_le32(cr, ctl->ocnf << STM32_GPIO_CR_CNF_SHIFT(crp));
- }
-
- rv = 0;
-out:
- return rv;
-}
-#else
-#error STM32 family not supported
-#endif
int stm32_gpout_set(const struct stm32_gpio_dsc *dsc, int state)
{
dsc.port = stm32_gpio_to_port(gpio);
dsc.pin = stm32_gpio_to_pin(gpio);
-#if defined(CONFIG_STM32F4) || defined(CONFIG_STM32F7)
ctl.af = STM32_GPIO_AF0;
ctl.mode = STM32_GPIO_MODE_IN;
ctl.otype = STM32_GPIO_OTYPE_PP;
ctl.pupd = STM32_GPIO_PUPD_NO;
ctl.speed = STM32_GPIO_SPEED_50M;
-#elif defined(CONFIG_STM32F1)
- ctl.mode = STM32_GPIO_MODE_IN;
- ctl.icnf = STM32_GPIO_ICNF_IN_FLT;
- ctl.ocnf = STM32_GPIO_OCNF_GP_PP; /* ignored for input */
- ctl.pupd = STM32_GPIO_PUPD_UP; /* ignored for floating */
-#else
-#error STM32 family not supported
-#endif
return stm32_gpio_config(&dsc, &ctl);
}
dsc.port = stm32_gpio_to_port(gpio);
dsc.pin = stm32_gpio_to_pin(gpio);
-#if defined(CONFIG_STM32F4) || defined(CONFIG_STM32F7)
ctl.af = STM32_GPIO_AF0;
ctl.mode = STM32_GPIO_MODE_OUT;
ctl.pupd = STM32_GPIO_PUPD_NO;
ctl.speed = STM32_GPIO_SPEED_50M;
-#elif defined(CONFIG_STM32F1)
- ctl.mode = STM32_GPIO_MODE_OUT_50M;
- ctl.ocnf = STM32_GPIO_OCNF_GP_PP;
- ctl.icnf = STM32_GPIO_ICNF_IN_FLT; /* ignored for output */
- ctl.pupd = STM32_GPIO_PUPD_UP; /* ignored for output */
-#else
-#error STM32 family not supported
-#endif
res = stm32_gpio_config(&dsc, &ctl);
if (res < 0)
#define FLASH_S29GL128N 0x00F1 /* Spansion S29GL128N */
#define FLASH_STM32 0x00F2 /* STM32 Embedded Flash */
-#define FLASH_STM32F1 0x00F3 /* STM32F1 Embedded Flash */
#define FLASH_UNKNOWN 0xFFFF /* unknown flash type */
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