djsundog/circuitpython
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

stm32/boards/PYBD_SF2: Disable SPIFLASH_ENABLE_CACHE for mboot builds.

Browse Source 
Mboot builds do not use the external SPI flash in caching mode, and
explicitly disabling it saves RAM and a small bit of flash.

Signed-off-by: Damien George <damien@micropython.org>
This commit is contained in:
Damien George 2020-12-17 21:59:58 +11:00
parent e43a74a4db
commit e715a8fb9b
2 changed files with 8 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
ports/stm32/boards/PYBD_SF2/bdev.c
View File

@ -27,8 +27,10 @@
#include "storage.h"
#include "qspi.h"
#if MICROPY_HW_SPIFLASH_ENABLE_CACHE
// Shared cache for first and second SPI block devices
STATIC mp_spiflash_cache_t spi_bdev_cache;
#endif
// First external SPI flash uses software QSPI interface
@ -45,7 +47,9 @@ const mp_spiflash_config_t spiflash_config = {
.bus_kind = MP_SPIFLASH_BUS_QSPI,
.bus.u_qspi.data = (void*)&soft_qspi_bus,
.bus.u_qspi.proto = &mp_soft_qspi_proto,
#if MICROPY_HW_SPIFLASH_ENABLE_CACHE
.cache = &spi_bdev_cache,
#endif
};
spi_bdev_t spi_bdev;
@ -56,7 +60,9 @@ const mp_spiflash_config_t spiflash2_config = {
.bus_kind = MP_SPIFLASH_BUS_QSPI,
.bus.u_qspi.data = NULL,
.bus.u_qspi.proto = &qspi_proto,
#if MICROPY_HW_SPIFLASH_ENABLE_CACHE
.cache = &spi_bdev_cache,
#endif
};
spi_bdev_t spi_bdev2;

2
ports/stm32/boards/PYBD_SF2/mpconfigboard.h
View File

@ -77,7 +77,9 @@ void board_sleep(int value);
// SPI flash #1, block device config
extern const struct _mp_spiflash_config_t spiflash_config;
extern struct _spi_bdev_t spi_bdev;
#if !BUILDING_MBOOT
#define MICROPY_HW_SPIFLASH_ENABLE_CACHE (1)
#endif
#define MICROPY_HW_BDEV_IOCTL(op, arg) ( \
(op) == BDEV_IOCTL_NUM_BLOCKS ? (MICROPY_HW_SPIFLASH_SIZE_BITS / 8 / FLASH_BLOCK_SIZE) : \
(op) == BDEV_IOCTL_INIT ? spi_bdev_ioctl(&spi_bdev, (op), (uint32_t)&spiflash_config) : \