From: Patrice Chotard patrice.chotard@st.com
This patch adds support for stm32h7 family and stm32h743 discovery board.
For more information about STM32H7 series, please visit: http://www.st.com/en/microcontrollers/stm32h7-series.html
Signed-off-by: Patrice Chotard patrice.chotard@st.com --- arch/arm/include/asm/arch-stm32h7/gpio.h | 126 +++++++++++++++++++++++++++++ arch/arm/include/asm/arch-stm32h7/stm32.h | 21 +++++ arch/arm/mach-stm32/Kconfig | 4 + arch/arm/mach-stm32/Makefile | 1 + arch/arm/mach-stm32/stm32h7/Kconfig | 8 ++ arch/arm/mach-stm32/stm32h7/Makefile | 8 ++ arch/arm/mach-stm32/stm32h7/soc.c | 59 ++++++++++++++ board/st/stm32h743-disco/Kconfig | 19 +++++ board/st/stm32h743-disco/MAINTAINERS | 7 ++ board/st/stm32h743-disco/Makefile | 8 ++ board/st/stm32h743-disco/stm32h743-disco.c | 80 ++++++++++++++++++ configs/stm32h743-disco_defconfig | 42 ++++++++++ include/configs/stm32h743-disco.h | 55 +++++++++++++ 13 files changed, 438 insertions(+) create mode 100644 arch/arm/include/asm/arch-stm32h7/gpio.h create mode 100644 arch/arm/include/asm/arch-stm32h7/stm32.h create mode 100644 arch/arm/mach-stm32/stm32h7/Kconfig create mode 100644 arch/arm/mach-stm32/stm32h7/Makefile create mode 100644 arch/arm/mach-stm32/stm32h7/soc.c create mode 100644 board/st/stm32h743-disco/Kconfig create mode 100644 board/st/stm32h743-disco/MAINTAINERS create mode 100644 board/st/stm32h743-disco/Makefile create mode 100644 board/st/stm32h743-disco/stm32h743-disco.c create mode 100644 configs/stm32h743-disco_defconfig create mode 100644 include/configs/stm32h743-disco.h
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 0000000..450784c --- /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 0000000..9ff1f13 --- /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 8f43714..0b59bb5 100644 --- a/arch/arm/mach-stm32/Kconfig +++ b/arch/arm/mach-stm32/Kconfig @@ -28,8 +28,12 @@ config STM32F7 select SPL_SYS_MALLOC_SIMPLE select SPL_XIP_SUPPORT
+config STM32H7 + bool "stm32h7 family" + source "arch/arm/mach-stm32/stm32f4/Kconfig" source "arch/arm/mach-stm32/stm32f1/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 ffc537f..87a658e 100644 --- a/arch/arm/mach-stm32/Makefile +++ b/arch/arm/mach-stm32/Makefile @@ -8,3 +8,4 @@ obj-$(CONFIG_STM32F1) += stm32f1/ obj-$(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 0000000..962c243 --- /dev/null +++ b/arch/arm/mach-stm32/stm32h7/Kconfig @@ -0,0 +1,8 @@ +if STM32H7 + +config TARGET_STM32H743_DISCO + bool "STM32H743 Discovery board" + +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 0000000..97f92f7 --- /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 0000000..a65fab6 --- /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) +{ +} diff --git a/board/st/stm32h743-disco/Kconfig b/board/st/stm32h743-disco/Kconfig new file mode 100644 index 0000000..7d6ec1d --- /dev/null +++ b/board/st/stm32h743-disco/Kconfig @@ -0,0 +1,19 @@ +if TARGET_STM32H743_DISCO + +config SYS_BOARD + string + default "stm32h743-disco" + +config SYS_VENDOR + string + default "st" + +config SYS_SOC + string + default "stm32h7" + +config SYS_CONFIG_NAME + string + default "stm32h743-disco" + +endif diff --git a/board/st/stm32h743-disco/MAINTAINERS b/board/st/stm32h743-disco/MAINTAINERS new file mode 100644 index 0000000..e5e0b5a --- /dev/null +++ b/board/st/stm32h743-disco/MAINTAINERS @@ -0,0 +1,7 @@ +STM32H743 DISCOVERY BOARD +M: Patrice Chotard patrice.chotard@st.com +S: Maintained +F: board/st/stm32h743-disco +F: include/configs/stm32h743-disco.h +F: configs/stm32h743-disco_defconfig +F: arch/arm/dts/stm32h7* diff --git a/board/st/stm32h743-disco/Makefile b/board/st/stm32h743-disco/Makefile new file mode 100644 index 0000000..778fe1c --- /dev/null +++ b/board/st/stm32h743-disco/Makefile @@ -0,0 +1,8 @@ +# +# Copyright (C) STMicroelectronics SA 2017 +# Author(s): Patrice CHOTARD, patrice.chotard@st.com for STMicroelectronics.# +# +# SPDX-License-Identifier: GPL-2.0+ +# + +obj-y := stm32h743-disco.o diff --git a/board/st/stm32h743-disco/stm32h743-disco.c b/board/st/stm32h743-disco/stm32h743-disco.c new file mode 100644 index 0000000..e42c6bd --- /dev/null +++ b/board/st/stm32h743-disco/stm32h743-disco.c @@ -0,0 +1,80 @@ +/* + * 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 <dm.h> + +DECLARE_GLOBAL_DATA_PTR; + +int get_memory_base_size(fdt_addr_t *mr_base, fdt_addr_t *mr_size) +{ + int mr_node; + + mr_node = fdt_path_offset(gd->fdt_blob, "/memory"); + if (mr_node < 0) + return mr_node; + *mr_base = fdtdec_get_addr_size_auto_noparent(gd->fdt_blob, mr_node, + "reg", 0, mr_size, false); + debug("mr_base = %lx, mr_size= %lx\n", *mr_base, *mr_size); + + return 0; +} + +int dram_init(void) +{ + struct udevice *dev; + int rv; + fdt_addr_t mr_base, mr_size; + + rv = uclass_get_device(UCLASS_RAM, 0, &dev); + if (rv) { + debug("DRAM init failed: %d\n", rv); + return rv; + } + + rv = get_memory_base_size(&mr_base, &mr_size); + if (rv) + return rv; + gd->ram_size = mr_size; + gd->ram_top = mr_base; + + return rv; +} + +int dram_init_banksize(void) +{ + fdt_addr_t mr_base, mr_size; + get_memory_base_size(&mr_base, &mr_size); + /* + * Fill in global info with description of SRAM configuration + */ + gd->bd->bi_dram[0].start = mr_base; + gd->bd->bi_dram[0].size = mr_size; + + return 0; +} + +int board_early_init_f(void) +{ + return 0; +} + +u32 get_board_rev(void) +{ + return 0; +} + +int board_late_init(void) +{ + return 0; +} + +int board_init(void) +{ + gd->bd->bi_boot_params = gd->bd->bi_dram[0].start + 0x100; + return 0; +} diff --git a/configs/stm32h743-disco_defconfig b/configs/stm32h743-disco_defconfig new file mode 100644 index 0000000..0b7be52 --- /dev/null +++ b/configs/stm32h743-disco_defconfig @@ -0,0 +1,42 @@ +CONFIG_ARM=y +CONFIG_STM32=y +CONFIG_SYS_MALLOC_F_LEN=0xC00 +CONFIG_STM32H7=y +CONFIG_TARGET_STM32H743_DISCO=y +CONFIG_DEFAULT_DEVICE_TREE="stm32h743i-disco" +CONFIG_BOOTDELAY=3 +CONFIG_DEFAULT_FDT_FILE="stm32h743i-disco" +# CONFIG_DISPLAY_CPUINFO is not set +CONFIG_BOARD_EARLY_INIT_F=y +CONFIG_HUSH_PARSER=y +CONFIG_SYS_PROMPT="U-Boot > " +CONFIG_AUTOBOOT_KEYED=y +CONFIG_AUTOBOOT_PROMPT="Hit SPACE in %d seconds to stop autoboot.\n" +CONFIG_AUTOBOOT_STOP_STR=" " +CONFIG_CMD_BOOTZ=y +# CONFIG_CMD_IMLS is not set +# CONFIG_CMD_FPGA is not set +# CONFIG_CMD_SETEXPR is not set +# CONFIG_CMD_NET is not set +# CONFIG_CMD_NFS is not set +CONFIG_CMD_TIMER=y +CONFIG_OF_CONTROL=y +CONFIG_OF_EMBED=y +CONFIG_CLK=y +CONFIG_DM_GPIO=y +CONFIG_MISC=y +CONFIG_STM32_RCC=y +CONFIG_PINCTRL=y +# CONFIG_PINCTRL_FULL is not set +CONFIG_PINCTRL_STM32=y +CONFIG_RAM=y +CONFIG_STM32_SDRAM=y +CONFIG_DM_RESET=y +CONFIG_STM32_RESET=y +# CONFIG_SPL_SERIAL_PRESENT is not set +CONFIG_STM32X7_SERIAL=y +CONFIG_DM_SPI=y +CONFIG_REGEX=y +CONFIG_LIB_RAND=y +CONFIG_OF_LIBFDT_OVERLAY=y +# CONFIG_EFI_LOADER is not set diff --git a/include/configs/stm32h743-disco.h b/include/configs/stm32h743-disco.h new file mode 100644 index 0000000..ee5063d --- /dev/null +++ b/include/configs/stm32h743-disco.h @@ -0,0 +1,55 @@ +/* + * Copyright (C) STMicroelectronics SA 2017 + * Author(s): Patrice CHOTARD, patrice.chotard@st.com for STMicroelectronics. + * + * * SPDX-License-Identifier: GPL-2.0+ + */ + +#ifndef __CONFIG_H +#define __CONFIG_H + +#include <config.h> + +#define CONFIG_SYS_FLASH_BASE 0x08000000 +#define CONFIG_SYS_INIT_SP_ADDR 0x30020000 +#define CONFIG_SYS_TEXT_BASE 0x08000000 + +/* + * Configuration of the external SDRAM memory + */ +#define CONFIG_NR_DRAM_BANKS 1 +#define CONFIG_SYS_LOAD_ADDR 0xD0400000 +#define CONFIG_LOADADDR 0xD0400000 + +#define CONFIG_SYS_MAX_FLASH_SECT 8 +#define CONFIG_SYS_MAX_FLASH_BANKS 2 + +#define CONFIG_ENV_IS_NOWHERE +#define CONFIG_ENV_SIZE (8 << 10) + +#define CONFIG_SYS_ARCH_TIMER +#define CONFIG_SYS_HZ_CLOCK 250000000 + +#define CONFIG_CMDLINE_TAG +#define CONFIG_SETUP_MEMORY_TAGS +#define CONFIG_INITRD_TAG +#define CONFIG_REVISION_TAG + +#define CONFIG_SYS_CBSIZE 1024 + +#define CONFIG_SYS_MAXARGS 16 +#define CONFIG_SYS_MALLOC_LEN (1 * 1024 * 1024) + +#define CONFIG_BOOTARGS \ + "console=ttyS0,115200 earlyprintk consoleblank=0 ignore_loglevel" + +/* + * Command line configuration. + */ +#define CONFIG_SYS_LONGHELP +#define CONFIG_AUTO_COMPLETE +#define CONFIG_CMDLINE_EDITING +#define CONFIG_CMD_CACHE +#define CONFIG_BOARD_LATE_INIT + +#endif /* __CONFIG_H */