stm32/mboot: Add support for reading from SD card.
Tested on PYBV10 and PYBD_SF6, with MBOOT_FSLOAD enabled and programming new firmware from a .dfu.gz file stored on the SD card. Signed-off-by: Damien George <damien@micropython.org>
This commit is contained in:
Damien George
parent
9b07d38c7e
commit
e316306546
@ -110,6 +110,7 @@ SRC_C += \
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fsload.c \
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gzstream.c \
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pack.c \
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sdcard.c \
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vfs_fat.c \
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vfs_lfs.c \
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drivers/bus/softspi.c \
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@ -142,6 +143,7 @@ endif
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$(BUILD)/$(STM32LIB_HAL_BASE)/Src/stm32$(MCU_SERIES)xx_ll_usb.o: CFLAGS += -Wno-attributes
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SRC_HAL += $(addprefix $(STM32LIB_HAL_BASE)/Src/stm32$(MCU_SERIES)xx_,\
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hal_cortex.c \
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hal_dma.c \
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hal_flash.c \
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hal_flash_ex.c \
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hal_pcd.c \
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@ -151,6 +153,14 @@ SRC_HAL += $(addprefix $(STM32LIB_HAL_BASE)/Src/stm32$(MCU_SERIES)xx_,\
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ll_usb.c \
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)
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ifeq ($(MCU_SERIES),$(filter $(MCU_SERIES),f4 f7 h7))
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SRC_HAL += $(addprefix $(STM32LIB_HAL_BASE)/Src/stm32$(MCU_SERIES)xx_,\
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hal_mmc.c \
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hal_sd.c \
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ll_sdmmc.c \
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)
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endif
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SRC_USBDEV += $(addprefix ports/stm32/$(USBDEV_DIR)/,\
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core/src/usbd_core.c \
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core/src/usbd_ctlreq.c \
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@ -59,6 +59,13 @@ How to use
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second one use the same configuration names as above but with
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`SPIFLASH2`, ie `MBOOT_SPIFLASH2_ADDR` etc.
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SD card support (read-only, useful in combination with `MBOOT_FSLOAD`)
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can be enabled with the following options:
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#define MBOOT_ADDRESS_SPACE_64BIT (1)
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#define MBOOT_SDCARD_ADDR (0x100000000ULL)
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#define MBOOT_SDCARD_BYTE_SIZE (0x400000000ULL)
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To enable loading firmware from a filesystem use:
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#define MBOOT_FSLOAD (1)
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@ -159,6 +166,11 @@ firmware.dfu.gz stored on the default FAT filesystem:
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The 0x80000000 value is the address understood by Mboot as the location of
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the external SPI flash, configured via `MBOOT_SPIFLASH_ADDR`.
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To load a file from the SD card (see `MBOOT_SDCARD_ADDR`), assuming it is a
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16GiB card, use:
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fwupdate.update_mpy('firmware.dfu.gz', 0x1_00000000, 0x4_00000000, addr_64bit=True)
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Signed and encrypted DFU support
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--------------------------------
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@ -37,6 +37,7 @@
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#include "irq.h"
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#include "mboot.h"
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#include "powerctrl.h"
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#include "sdcard.h"
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#include "dfu.h"
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#include "pack.h"
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@ -653,6 +654,16 @@ void hw_read(mboot_addr_t addr, size_t len, uint8_t *buf) {
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mp_spiflash_read(MBOOT_SPIFLASH2_SPIFLASH, addr - MBOOT_SPIFLASH2_ADDR, len, buf);
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} else
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#endif
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#if defined(MBOOT_SDCARD_ADDR)
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if (MBOOT_SDCARD_ADDR <= addr && addr < MBOOT_SDCARD_ADDR + MBOOT_SDCARD_BYTE_SIZE) {
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// Read address and length must be aligned.
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if (addr % SDCARD_BLOCK_SIZE == 0 && len % SDCARD_BLOCK_SIZE == 0) {
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sdcard_read_blocks(buf, (addr - MBOOT_SDCARD_ADDR) / SDCARD_BLOCK_SIZE, len / SDCARD_BLOCK_SIZE);
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} else {
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memset(buf, 0xff, len);
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}
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} else
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#endif
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{
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// Other addresses, just read directly from memory
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memcpy(buf, (void *)(uintptr_t)addr, len);
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@ -1540,6 +1551,12 @@ enter_bootloader:
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mp_spiflash_init(MBOOT_SPIFLASH2_SPIFLASH);
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#endif
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#if defined(MBOOT_SDCARD_ADDR)
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sdcard_init();
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sdcard_select_sd();
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sdcard_power_on();
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#endif
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#if MBOOT_ENABLE_PACKING
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mboot_pack_init();
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#endif
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13
ports/stm32/mboot/sdcard.c
Normal file
13
ports/stm32/mboot/sdcard.c
Normal file
@ -0,0 +1,13 @@
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// Include relevant source files for SD card only when it's needed and
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// configured at the C level (in mpconfigboard.h).
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#include "py/mpconfig.h"
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#if defined(MBOOT_SDCARD_ADDR)
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#define MICROPY_HW_DMA_ENABLE_AUTO_TURN_OFF (0)
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#include "ports/stm32/dma.c"
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#include "ports/stm32/sdcard.c"
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#endif
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@ -688,6 +688,8 @@ mp_uint_t sdcard_write_blocks(const uint8_t *src, uint32_t block_num, uint32_t n
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//
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// Expose the SD card or MMC as an object with the block protocol.
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#if !BUILDING_MBOOT
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// There are singleton SDCard/MMCard objects
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#if MICROPY_HW_ENABLE_SDCARD
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const mp_obj_base_t pyb_sdcard_obj = {&pyb_sdcard_type};
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@ -905,4 +907,6 @@ void sdcard_init_vfs(fs_user_mount_t *vfs, int part) {
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vfs->blockdev.u.ioctl[1] = MP_OBJ_FROM_PTR(&pyb_sdcard_obj);
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}
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#endif // !BUILDING_MBOOT
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#endif // MICROPY_HW_ENABLE_SDCARD || MICROPY_HW_ENABLE_MMCARD
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@ -292,6 +292,7 @@ function ci_stm32_pyb_build {
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make ${MAKEOPTS} -C ports/stm32 BOARD=PYBD_SF6 NANBOX=1 MICROPY_BLUETOOTH_NIMBLE=0 MICROPY_BLUETOOTH_BTSTACK=1
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make ${MAKEOPTS} -C ports/stm32/mboot BOARD=PYBV10 CFLAGS_EXTRA='-DMBOOT_FSLOAD=1 -DMBOOT_VFS_LFS2=1'
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make ${MAKEOPTS} -C ports/stm32/mboot BOARD=PYBD_SF6
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make ${MAKEOPTS} -C ports/stm32/mboot BOARD=STM32F769DISC CFLAGS_EXTRA='-DMBOOT_ADDRESS_SPACE_64BIT=1 -DMBOOT_SDCARD_ADDR=0x100000000ULL -DMBOOT_SDCARD_BYTE_SIZE=0x400000000ULL -DMBOOT_FSLOAD=1 -DMBOOT_VFS_FAT=1'
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}
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function ci_stm32_nucleo_build {
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