commit b218faa9ff4dea3b2ce50c2846ed3a6d34057e5f
author Yann Gautier <yann.gautier@st.com> Wed Aug 14 16:44:48 2019 +0200
committer Yann Gautier <yann.gautier@st.com> Tue Aug 16 15:58:22 2022 +0200
tree 670bab5a44714940c434ff69355dce7c439335df
parent 726a7989b1de065d141ca9332aad53622dd4d576

feat(st): enable MMC_FLAG_SD_CMD6 for SD-cards

This flag allows switching to High-Speed mode on SD-cards.
The gain is ~44ms when using SP_min, and ~55ms with OP-TEE.

Change-Id: Ic396c6a14201580b5e5627e6174b85b437b87cae
Signed-off-by: Yann Gautier <yann.gautier@st.com>

plat/st/common/bl2_io_storage.c

diff --git a/plat/st/common/bl2_io_storage.c b/plat/st/common/bl2_io_storage.c
index 49f6465..8d0bdcc 100644
--- a/plat/st/common/bl2_io_storage.c
+++ b/plat/st/common/bl2_io_storage.c
@@ -221,6 +221,10 @@
 		break;
 	}
 
+	if (mmc_dev_type != MMC_IS_EMMC) {
+		params.flags = MMC_FLAG_SD_CMD6;
+	}
+
 	params.device_info = &mmc_info;
 	if (stm32_sdmmc2_mmc_init(&params) != 0) {
 		ERROR("SDMMC%u init failed\n", boot_interface_instance);