Support for MMC storage devices to work with DFU framework.
Signed-off-by: Lukasz Majewski l.majewski@samsung.com Signed-off-by: Kyungmin Park kyungmin.park@samsung.com Cc: Marek Vasut marex@denx.de
--- Changes for v2: - None --- drivers/dfu/Makefile | 1 + drivers/dfu/dfu_mmc.c | 126 +++++++++++++++++++++++++++++++++++++++++++++++++ 2 files changed, 127 insertions(+), 0 deletions(-) create mode 100644 drivers/dfu/dfu_mmc.c
diff --git a/drivers/dfu/Makefile b/drivers/dfu/Makefile index 7736485..7b717bc 100644 --- a/drivers/dfu/Makefile +++ b/drivers/dfu/Makefile @@ -26,6 +26,7 @@ include $(TOPDIR)/config.mk LIB = $(obj)libdfu.o
COBJS-$(CONFIG_DFU_FUNCTION) += dfu.o +COBJS-$(CONFIG_DFU_MMC) += dfu_mmc.o
SRCS := $(COBJS-y:.o=.c) OBJS := $(addprefix $(obj),$(COBJS-y)) diff --git a/drivers/dfu/dfu_mmc.c b/drivers/dfu/dfu_mmc.c new file mode 100644 index 0000000..3151fbc --- /dev/null +++ b/drivers/dfu/dfu_mmc.c @@ -0,0 +1,126 @@ +/* + * dfu.c -- DFU back-end routines + * + * Copyright (C) 2012 Samsung Electronics + * authors: Andrzej Pietrasiewicz andrzej.p@samsung.com + * Lukasz Majewski l.majewski@samsung.com + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ + +#include <common.h> +#include <malloc.h> +#include <dfu.h> + +int dfu_write_medium_mmc(struct dfu_entity *dfu, void *buf, long *len) +{ + ALLOC_CACHE_ALIGN_BUFFER(char, cmd_buf, DFU_CMD_BUF_SIZE); + + memset(cmd_buf, '\0', sizeof(cmd_buf)); + + switch (dfu->layout) { + case RAW_ADDR: + sprintf(cmd_buf, "mmc write 0x%x %x %x", (unsigned int) buf, + dfu->data.mmc.lba_start, dfu->data.mmc.lba_size); + break; + case FAT: + sprintf(cmd_buf, "fatwrite mmc %d:%d 0x%x %s %lx", + dfu->data.mmc.dev, dfu->data.mmc.part, + (unsigned int) buf, dfu->name, *len); + break; + default: + printf("%s: Wrong layout!\n", __func__); + } + + debug("%s: %s 0x%p\n", __func__, cmd_buf, cmd_buf); + run_command(cmd_buf, 0); + + return 0; +} + +int dfu_read_medium_mmc(struct dfu_entity *dfu, void *buf, long *len) +{ + ALLOC_CACHE_ALIGN_BUFFER(char, cmd_buf, DFU_CMD_BUF_SIZE); + char *str_env = NULL; + int ret = 0; + + memset(cmd_buf, '\0', sizeof(cmd_buf)); + + switch (dfu->layout) { + case RAW_ADDR: + sprintf(cmd_buf, "mmc read 0x%x %x %x", (unsigned int) buf, + dfu->data.mmc.lba_start, dfu->data.mmc.lba_size); + + *len = dfu->data.mmc.lba_blk_size * dfu->data.mmc.lba_size; + break; + case FAT: + sprintf(cmd_buf, "fatload mmc %d:%d 0x%x %s", + dfu->data.mmc.dev, dfu->data.mmc.part, + (unsigned int) buf, dfu->name); + break; + default: + printf("%s: Wrong layout!\n", __func__); + } + + debug("%s: %s 0x%p\n", __func__, cmd_buf, cmd_buf); + + ret = run_command(cmd_buf, 0); + if (ret) { + puts("dfu: Read error!\n"); + return ret; + } + + if (dfu->layout != RAW_ADDR) { + str_env = getenv("filesize"); + if (str_env == NULL) { + puts("dfu: Wrong file size!\n"); + return -1; + } + + *len = simple_strtoul(str_env, NULL, 16); + } + return ret; +} + +int dfu_fill_entity_mmc(struct dfu_entity *dfu, char* s) +{ + char *st = NULL; + int n = 0; + + dfu->dev_type = MMC; + st = dfu_extract_token(&s, &n); + + if (!strncmp(st, "mmc", n)) { + dfu->layout = RAW_ADDR; + + dfu->data.mmc.lba_start = simple_strtoul(s, &s, 16); + dfu->data.mmc.lba_size = simple_strtoul(++s, &s, 16); + dfu->data.mmc.lba_blk_size = get_mmc_blk_size(dfu->dev_num); + + } else if (!strncmp(st, "fat", n)) { + dfu->layout = FAT; + + dfu->data.mmc.dev = simple_strtoul(s, &s, 10); + dfu->data.mmc.part = simple_strtoul(++s, &s, 10); + + } else { + printf("%s: Wrong memory layout!\n", __func__); + } + + dfu->read_medium = dfu_read_medium_mmc; + dfu->write_medium = dfu_write_medium_mmc; + + return 0; +}