From mboxrd@z Thu Jan 1 00:00:00 1970 From: tien.fong.chee at intel.com Date: Fri, 14 Dec 2018 14:53:53 +0800 Subject: [U-Boot] [PATCH] Add support for initializing MMC Message-ID: <1544770433-7916-1-git-send-email-tien.fong.chee@intel.com> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: u-boot@lists.denx.de From: Tien Fong Chee Firmware loader would encounter problem if the MMC is accessed before initializing it. This patch would adding the support of initializing MMC before the MMC is accessed by firmware loader. Signed-off-by: Tien Fong Chee --- drivers/misc/fs_loader.c | 31 +++++++++++++++++++++++++++++++ 1 files changed, 31 insertions(+), 0 deletions(-) diff --git a/drivers/misc/fs_loader.c b/drivers/misc/fs_loader.c index 57a14a3..744fa46 100644 --- a/drivers/misc/fs_loader.c +++ b/drivers/misc/fs_loader.c @@ -12,6 +12,7 @@ #include #include #include +#include #include DECLARE_GLOBAL_DATA_PTR; @@ -252,6 +253,36 @@ static int fs_loader_ofdata_to_platdata(struct udevice *dev) static int fs_loader_probe(struct udevice *dev) { +#ifdef CONFIG_MMC + int ret; + struct device_platdata *plat = dev->platdata; + + ret = mmc_initialize(NULL); + if (ret) { + debug("MMC: could not initialize mmc. error: %d\n", ret); + + return ret; + } + + if (plat->phandlepart.phandle) { + ofnode node = ofnode_get_by_phandle(plat->phandlepart.phandle); + + struct udevice *mmc_dev = NULL; + + ret = device_get_global_by_ofnode(node, &mmc_dev); + if (!ret) { + struct mmc *mmc = mmc_get_mmc_dev(mmc_dev); + + ret = mmc_init(mmc); + if (ret) { + debug("MMC: mmc init failed with error: %d\n", + ret); + + return ret; + } + } + } +#endif return 0; }; -- 1.7.7.4