diff options
Diffstat (limited to 'arch')
-rw-r--r-- | arch/arm/include/asm/arch-stm32h7/gpio.h | 126 | ||||
-rw-r--r-- | arch/arm/include/asm/arch-stm32h7/stm32.h | 21 | ||||
-rw-r--r-- | arch/arm/mach-stm32/Kconfig | 17 | ||||
-rw-r--r-- | arch/arm/mach-stm32/Makefile | 1 | ||||
-rw-r--r-- | arch/arm/mach-stm32/stm32h7/Kconfig | 12 | ||||
-rw-r--r-- | arch/arm/mach-stm32/stm32h7/Makefile | 8 | ||||
-rw-r--r-- | arch/arm/mach-stm32/stm32h7/soc.c | 59 |
7 files changed, 244 insertions, 0 deletions
diff --git a/arch/arm/include/asm/arch-stm32h7/gpio.h b/arch/arm/include/asm/arch-stm32h7/gpio.h new file mode 100644 index 0000000000..450784cb21 --- /dev/null +++ b/arch/arm/include/asm/arch-stm32h7/gpio.h @@ -0,0 +1,126 @@ +/* + * Copyright (C) STMicroelectronics SA 2017 + * Author(s): Patrice CHOTARD, <patrice.chotard@st.com> for STMicroelectronics. + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#ifndef _STM32_GPIO_H_ +#define _STM32_GPIO_H_ +#include <asm/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, + STM32_GPIO_PORT_H, + STM32_GPIO_PORT_I +}; + +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_mode { + STM32_GPIO_MODE_IN = 0, + STM32_GPIO_MODE_OUT, + STM32_GPIO_MODE_AF, + STM32_GPIO_MODE_AN +}; + +enum stm32_gpio_otype { + STM32_GPIO_OTYPE_PP = 0, + STM32_GPIO_OTYPE_OD +}; + +enum stm32_gpio_speed { + STM32_GPIO_SPEED_2M = 0, + STM32_GPIO_SPEED_25M, + STM32_GPIO_SPEED_50M, + STM32_GPIO_SPEED_100M +}; + +enum stm32_gpio_pupd { + STM32_GPIO_PUPD_NO = 0, + STM32_GPIO_PUPD_UP, + STM32_GPIO_PUPD_DOWN +}; + +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_mode mode; + enum stm32_gpio_otype otype; + enum stm32_gpio_speed speed; + enum stm32_gpio_pupd pupd; + enum stm32_gpio_af af; +}; + +struct stm32_gpio_regs { + u32 moder; /* GPIO port mode */ + u32 otyper; /* GPIO port output type */ + u32 ospeedr; /* GPIO port output speed */ + u32 pupdr; /* GPIO port pull-up/pull-down */ + u32 idr; /* GPIO port input data */ + u32 odr; /* GPIO port output data */ + u32 bsrr; /* GPIO port bit set/reset */ + u32 lckr; /* GPIO port configuration lock */ + u32 afr[2]; /* GPIO alternate function */ +}; + +struct stm32_gpio_priv { + struct stm32_gpio_regs *regs; +}; + +static inline unsigned stm32_gpio_to_port(unsigned gpio) +{ + return gpio / 16; +} + +static inline unsigned stm32_gpio_to_pin(unsigned gpio) +{ + return gpio % 16; +} + +#endif /* _STM32_GPIO_H_ */ diff --git a/arch/arm/include/asm/arch-stm32h7/stm32.h b/arch/arm/include/asm/arch-stm32h7/stm32.h new file mode 100644 index 0000000000..9ff1f13735 --- /dev/null +++ b/arch/arm/include/asm/arch-stm32h7/stm32.h @@ -0,0 +1,21 @@ +/* + * Copyright (C) STMicroelectronics SA 2017 + * Author(s): Patrice CHOTARD, <patrice.chotard@st.com> for STMicroelectronics. + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#ifndef _ASM_ARCH_HARDWARE_H +#define _ASM_ARCH_HARDWARE_H + +/* + * This empty files is needed to not break compilation + * Some common drivers to STM32F4/F7 and H7 include a stm32.h file + * Some cleanup need to be done to communalize all the following + * stm32.h files: + * + * arch/arm/include/asm/arch-stm32f1/stm32.h + * arch/arm/include/asm/arch-stm32f4/stm32.h + * arch/arm/include/asm/arch-stm32f7/stm32.h + */ +#endif /* _ASM_ARCH_HARDWARE_H */ diff --git a/arch/arm/mach-stm32/Kconfig b/arch/arm/mach-stm32/Kconfig index 947ce5f1ce..b618b60795 100644 --- a/arch/arm/mach-stm32/Kconfig +++ b/arch/arm/mach-stm32/Kconfig @@ -25,7 +25,24 @@ config STM32F7 select SPL_SYS_MALLOC_SIMPLE select SPL_XIP_SUPPORT +config STM32H7 + bool "stm32h7 family" + select CLK + select DM_GPIO + select DM_RESET + select MISC + select PINCTRL + select PINCTRL_STM32 + select RAM + select REGMAP + select STM32_SDRAM + select STM32_RCC + select STM32_RESET + select STM32X7_SERIAL + select SYSCON + source "arch/arm/mach-stm32/stm32f4/Kconfig" source "arch/arm/mach-stm32/stm32f7/Kconfig" +source "arch/arm/mach-stm32/stm32h7/Kconfig" endif diff --git a/arch/arm/mach-stm32/Makefile b/arch/arm/mach-stm32/Makefile index 6b7694471f..0f5ac37168 100644 --- a/arch/arm/mach-stm32/Makefile +++ b/arch/arm/mach-stm32/Makefile @@ -7,3 +7,4 @@ obj-$(CONFIG_STM32F4) += stm32f4/ obj-$(CONFIG_STM32F7) += stm32f7/ +obj-$(CONFIG_STM32H7) += stm32h7/ diff --git a/arch/arm/mach-stm32/stm32h7/Kconfig b/arch/arm/mach-stm32/stm32h7/Kconfig new file mode 100644 index 0000000000..55e6217950 --- /dev/null +++ b/arch/arm/mach-stm32/stm32h7/Kconfig @@ -0,0 +1,12 @@ +if STM32H7 + +config TARGET_STM32H743_DISCO + bool "STM32H743 Discovery board" + +config TARGET_STM32H743_EVAL + bool "STM32H743 Evaluation board" + +source "board/st/stm32h743-eval/Kconfig" +source "board/st/stm32h743-disco/Kconfig" + +endif diff --git a/arch/arm/mach-stm32/stm32h7/Makefile b/arch/arm/mach-stm32/stm32h7/Makefile new file mode 100644 index 0000000000..97f92f74ca --- /dev/null +++ b/arch/arm/mach-stm32/stm32h7/Makefile @@ -0,0 +1,8 @@ +# +# Copyright (c) 2017 +# Patrice Chotard <patrice.chotard@st.com> +# +# SPDX-License-Identifier: GPL-2.0+ +# + +obj-y += soc.o diff --git a/arch/arm/mach-stm32/stm32h7/soc.c b/arch/arm/mach-stm32/stm32h7/soc.c new file mode 100644 index 0000000000..a65fab6d2e --- /dev/null +++ b/arch/arm/mach-stm32/stm32h7/soc.c @@ -0,0 +1,59 @@ +/* + * Copyright (C) STMicroelectronics SA 2017 + * Author(s): Patrice CHOTARD, <patrice.chotard@st.com> for STMicroelectronics. + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include <common.h> +#include <asm/io.h> +#include <asm/armv7m_mpu.h> + +u32 get_cpu_rev(void) +{ + return 0; +} + +int arch_cpu_init(void) +{ + int i; + + struct mpu_region_config stm32_region_config[] = { + /* + * Make all 4GB cacheable & executable. We are overriding it + * with next region for any requirement. e.g. below region1, + * 2 etc. + * In other words, the area not coming in following + * regions configuration is the one configured here in region_0 + * (cacheable & executable). + */ + { 0x00000000, REGION_0, XN_DIS, PRIV_RW_USR_RW, + O_I_WB_RD_WR_ALLOC, REGION_4GB }, + + /* Code area, executable & strongly ordered */ + { 0xD0000000, REGION_1, XN_EN, PRIV_RW_USR_RW, + STRONG_ORDER, REGION_8MB }, + + /* Device area in all H7 : Not executable */ + { 0x40000000, REGION_2, XN_EN, PRIV_RW_USR_RW, + DEVICE_NON_SHARED, REGION_512MB }, + + /* + * Armv7m fixed configuration: strongly ordered & not + * executable, not cacheable + */ + { 0xE0000000, REGION_4, XN_EN, PRIV_RW_USR_RW, + STRONG_ORDER, REGION_512MB }, + }; + + disable_mpu(); + for (i = 0; i < ARRAY_SIZE(stm32_region_config); i++) + mpu_config(&stm32_region_config[i]); + enable_mpu(); + + return 0; +} + +void s_init(void) +{ +} |