Dfu transfer uses a buffer before writing data to the raw storage device. Make the size (in bytes) of this buffer configurable.
Signed-off-by: Heiko Schocher hs@denx.de Cc: Pantelis Antoniou panto@antoniou-consulting.com Cc: Tom Rini trini@ti.com Cc: Lukasz Majewski l.majewski@samsung.com Cc: Kyungmin Park kyungmin.park@samsung.com Cc: Marek Vasut marex@denx.de --- README | 5 +++++ drivers/dfu/dfu.c | 2 +- include/dfu.h | 4 +++- 3 Dateien geändert, 9 Zeilen hinzugefügt(+), 2 Zeilen entfernt(-)
diff --git a/README b/README index b1b3e17..8550f34 100644 --- a/README +++ b/README @@ -1360,6 +1360,11 @@ The following options need to be configured: CONFIG_DFU_NAND This enables support for exposing NAND devices via DFU.
+ CONFIG_SYS_DFU_DATA_BUF_SIZE + Dfu transfer uses a buffer before writing data to the + raw storage device. Make the size (in bytes) of this buffer + configurable. + CONFIG_SYS_DFU_MAX_FILE_SIZE When updating files rather than the raw storage device, we use a static buffer to copy the file into and then write diff --git a/drivers/dfu/dfu.c b/drivers/dfu/dfu.c index 6af6890..fe3a36e 100644 --- a/drivers/dfu/dfu.c +++ b/drivers/dfu/dfu.c @@ -42,7 +42,7 @@ static int dfu_find_alt_num(const char *s) }
static unsigned char __aligned(CONFIG_SYS_CACHELINE_SIZE) - dfu_buf[DFU_DATA_BUF_SIZE]; + dfu_buf[CONFIG_SYS_DFU_DATA_BUF_SIZE];
static int dfu_write_buffer_drain(struct dfu_entity *dfu) { diff --git a/include/dfu.h b/include/dfu.h index a107f4b..124653c 100644 --- a/include/dfu.h +++ b/include/dfu.h @@ -68,7 +68,9 @@ static inline unsigned int get_mmc_blk_size(int dev)
#define DFU_NAME_SIZE 32 #define DFU_CMD_BUF_SIZE 128 -#define DFU_DATA_BUF_SIZE (1024*1024*8) /* 8 MiB */ +#ifndef CONFIG_SYS_DFU_DATA_BUF_SIZE +#define CONFIG_SYS_DFU_DATA_BUF_SIZE (1024*1024*8) /* 8 MiB */ +#endif #ifndef CONFIG_SYS_DFU_MAX_FILE_SIZE #define CONFIG_SYS_DFU_MAX_FILE_SIZE (4 << 20) /* 4 MiB */ #endif