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mmc: make optional the support for eMMC hardware partitioning

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Not all boards have an eMMC and not all users have a need for this.
Allow to compile it out. By default it is still included.

Signed-off-by: Jean-Jacques Hiblot <jjhiblot@ti.com>
This commit is contained in:
Jean-Jacques Hiblot 2017-11-30 17:44:02 +01:00 committed by Jaehoon Chung
parent f99c2efe56
commit cf17789e07
3 changed files with 13 additions and 0 deletions
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4
cmd/mmc.c
View file

@ -438,6 +438,7 @@ static int do_mmc_list(cmd_tbl_t *cmdtp, int flag,
return CMD_RET_SUCCESS;
}
#if CONFIG_IS_ENABLED(MMC_HW_PARTITIONING)
static int parse_hwpart_user(struct mmc_hwpart_conf *pconf,
int argc, char * const argv[])
{
@ -587,6 +588,7 @@ static int do_mmc_hwpartition(cmd_tbl_t *cmdtp, int flag,
return CMD_RET_FAILURE;
}
}
#endif
#ifdef CONFIG_SUPPORT_EMMC_BOOT
static int do_mmc_bootbus(cmd_tbl_t *cmdtp, int flag,
@ -796,7 +798,9 @@ static cmd_tbl_t cmd_mmc[] = {
U_BOOT_CMD_MKENT(part, 1, 1, do_mmc_part, "", ""),
U_BOOT_CMD_MKENT(dev, 3, 0, do_mmc_dev, "", ""),
U_BOOT_CMD_MKENT(list, 1, 1, do_mmc_list, "", ""),
#if CONFIG_IS_ENABLED(MMC_HW_PARTITIONING)
U_BOOT_CMD_MKENT(hwpartition, 28, 0, do_mmc_hwpartition, "", ""),
#endif
#ifdef CONFIG_SUPPORT_EMMC_BOOT
U_BOOT_CMD_MKENT(bootbus, 5, 0, do_mmc_bootbus, "", ""),
U_BOOT_CMD_MKENT(bootpart-resize, 4, 0, do_mmc_boot_resize, "", ""),

7
drivers/mmc/Kconfig
View file

@ -51,6 +51,13 @@ config MMC_QUIRKS
are enabled by default, other may require additionnal flags or are
enabled by the host driver.
config MMC_HW_PARTITIONING
bool "Support for HW partitioning command(eMMC)"
default y
help
This adds a command and an API to do hardware partitioning on eMMC
devices.
config MMC_IO_VOLTAGE
bool "Support IO voltage configuration"
help

2
drivers/mmc/mmc.c
View file

@ -950,6 +950,7 @@ int mmc_switch_part(struct mmc *mmc, unsigned int part_num)
return ret;
}
#if CONFIG_IS_ENABLED(MMC_HW_PARTITIONING)
int mmc_hwpart_config(struct mmc *mmc,
const struct mmc_hwpart_conf *conf,
enum mmc_hwpart_conf_mode mode)
@ -1143,6 +1144,7 @@ int mmc_hwpart_config(struct mmc *mmc,
return 0;
}
#endif
#if !CONFIG_IS_ENABLED(DM_MMC)
int mmc_getcd(struct mmc *mmc)