From mboxrd@z Thu Jan 1 00:00:00 1970 From: Patrice Chotard Date: Fri, 10 May 2019 18:11:22 +0200 Subject: [U-Boot] [PATCH 05/14] board: stm32mp1: Add env_ext4_get_dev_part() and env_ext4_get_intf() In-Reply-To: <1557504691-26188-1-git-send-email-patrice.chotard@st.com> References: <1557504691-26188-1-git-send-email-patrice.chotard@st.com> Message-ID: <1557504691-26188-6-git-send-email-patrice.chotard@st.com> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: u-boot@lists.denx.de This allows to : - select the current device to save the environment file - select the correct EXT4 boot device instance and partition to save the environment file. For EXT4, device is mmc, device instance is 0 for sdcard or 1 for eMMC. The partition is set to "auto" to select the first partition with bootable flag. Signed-off-by: Patrice Chotard --- board/st/stm32mp1/stm32mp1.c | 24 ++++++++++++++++++++++++ 1 file changed, 24 insertions(+) diff --git a/board/st/stm32mp1/stm32mp1.c b/board/st/stm32mp1/stm32mp1.c index 360b0df..316cd48 100644 --- a/board/st/stm32mp1/stm32mp1.c +++ b/board/st/stm32mp1/stm32mp1.c @@ -19,6 +19,7 @@ #include #include #include +#include #include #include @@ -505,6 +506,29 @@ void board_quiesce_devices(void) setup_led(LEDST_OFF); } +#if defined(CONFIG_ENV_IS_IN_EXT4) +const char *env_ext4_get_intf(void) +{ + u32 bootmode = get_bootmode(); + + switch (bootmode & TAMP_BOOT_DEVICE_MASK) { + case BOOT_FLASH_SD: + case BOOT_FLASH_EMMC: + return "mmc"; + default: + return ""; + } +} + +const char *env_ext4_get_dev_part(void) +{ + static char *const dev_part[] = {"0:auto", "1:auto", "2:auto"}; + u32 bootmode = get_bootmode(); + + return dev_part[(bootmode & TAMP_BOOT_INSTANCE_MASK) - 1]; +} +#endif + #ifdef CONFIG_SYS_MTDPARTS_RUNTIME #define MTDPARTS_LEN 256 -- 1.9.1