diff options
Diffstat (limited to 'package/boot/uboot-mvebu/patches/013-mmc-xenon_sdhci-remove-wait_dat0-SDHCI-OP.patch')
| -rw-r--r-- | package/boot/uboot-mvebu/patches/013-mmc-xenon_sdhci-remove-wait_dat0-SDHCI-OP.patch | 64 |
1 files changed, 0 insertions, 64 deletions
diff --git a/package/boot/uboot-mvebu/patches/013-mmc-xenon_sdhci-remove-wait_dat0-SDHCI-OP.patch b/package/boot/uboot-mvebu/patches/013-mmc-xenon_sdhci-remove-wait_dat0-SDHCI-OP.patch deleted file mode 100644 index 3277638784..0000000000 --- a/package/boot/uboot-mvebu/patches/013-mmc-xenon_sdhci-remove-wait_dat0-SDHCI-OP.patch +++ /dev/null @@ -1,64 +0,0 @@ -From 0f3466f52fbacce67e147b9234e6323edff26a6d Mon Sep 17 00:00:00 2001 -From: Robert Marko <robert.marko@sartura.hr> -Date: Fri, 11 Mar 2022 19:14:07 +0100 -Subject: [PATCH] mmc: xenon_sdhci: remove wait_dat0 SDHCI OP -MIME-Version: 1.0 -Content-Type: text/plain; charset=UTF-8 -Content-Transfer-Encoding: 8bit - -Generic SDHCI driver received support for checking the busy status by -polling the DAT[0] level instead of waiting for the worst MMC switch time. - -Unfortunately, it appears that this does not work for Xenon controllers -despite being a part of the standard SDHCI registers and the Armada 3720 -datasheet itself telling that BIT(20) is useful for detecting the DAT[0] -busy signal. - -I have tried increasing the timeout value, but I have newer managed to -catch DAT_LEVEL bits change from 0 at all. - -This issue appears to hit most if not all SoC-s supported by Xenon driver, -at least A3720, A8040 and CN9130 have non working eMMC currently. - -So, until a better solution is found drop the wait_dat0 OP for Xenon. -I was able to only test it on A3720, but it should work for others as well. - -Fixes: 40e6f52454fc ("drivers: mmc: Add wait_dat0 support for sdhci driver") -Signed-off-by: Robert Marko <robert.marko@sartura.hr> -Reviewed-by: Marek Behún <marek.behun@nic.cz> -Reviewed-by: Jaehoon Chung <jh80.chung@samsung.com> -Reviewed-by: Stefan Roese <sr@denx.de> ---- - drivers/mmc/xenon_sdhci.c | 7 ++++++- - 1 file changed, 6 insertions(+), 1 deletion(-) - ---- a/drivers/mmc/xenon_sdhci.c -+++ b/drivers/mmc/xenon_sdhci.c -@@ -439,6 +439,8 @@ static const struct sdhci_ops xenon_sdhc - .set_ios_post = xenon_sdhci_set_ios_post - }; - -+static struct dm_mmc_ops xenon_mmc_ops; -+ - static int xenon_sdhci_probe(struct udevice *dev) - { - struct xenon_sdhci_plat *plat = dev_get_plat(dev); -@@ -452,6 +454,9 @@ static int xenon_sdhci_probe(struct udev - host->mmc->dev = dev; - upriv->mmc = host->mmc; - -+ xenon_mmc_ops = sdhci_ops; -+ xenon_mmc_ops.wait_dat0 = NULL; -+ - /* Set quirks */ - host->quirks = SDHCI_QUIRK_WAIT_SEND_CMD | SDHCI_QUIRK_32BIT_DMA_ADDR; - -@@ -568,7 +573,7 @@ U_BOOT_DRIVER(xenon_sdhci_drv) = { - .id = UCLASS_MMC, - .of_match = xenon_sdhci_ids, - .of_to_plat = xenon_sdhci_of_to_plat, -- .ops = &sdhci_ops, -+ .ops = &xenon_mmc_ops, - .bind = xenon_sdhci_bind, - .probe = xenon_sdhci_probe, - .remove = xenon_sdhci_remove, |