[PATCH] mci: imx-esdhc-pbl: fix iMX50 prediv setting

[PATCH] mci: imx-esdhc-pbl: fix iMX50 prediv setting

[Alexander Kurz]

The ESDHC3 instance is common between iMX50 and iMX53.
Extend the required quirk also to iMX50 fixing a problem that data could
not be written to an eMMC.

Fixes: 1713fa5bf0f9 ("mci: imx-esdhc-pbl: fix prediv setting")
Signed-off-by: Alexander Kurz <akurz@blala.de>
---
 drivers/mci/imx-esdhc.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/drivers/mci/imx-esdhc.c b/drivers/mci/imx-esdhc.c
index 0ae0bb4ede..ae02d80443 100644
--- a/drivers/mci/imx-esdhc.c
+++ b/drivers/mci/imx-esdhc.c
@@ -22,6 +22,7 @@
 #include <gpio.h>
 #include <of_device.h>
 #include <mach/imx/generic.h>
+#include <mach/imx/imx50-regs.h>
 #include <mach/imx/imx53-regs.h>
 
 #include "sdhci.h"
@@ -97,8 +98,9 @@ static void set_sysctl(struct mci_host *mci, u32 clock, bool ddr)
 	if (esdhc_is_layerscape(host))
 		sdhc_clk >>= 1;
 
-	/* For i.MX53 eSDHCv3, SYSCTL.SDCLKFS may not be set to 0. */
-	if (cpu_is_mx53() && host->sdhci.base == (void *)MX53_ESDHC3_BASE_ADDR)
+	/* For i.MX50 and i.MX53 eSDHCv3, SYSCTL.SDCLKFS may not be set to 0. */
+	if ((cpu_is_mx50() && host->sdhci.base == (void *)MX50_ESDHC3_BASE_ADDR)
+	    || (cpu_is_mx53() && host->sdhci.base == (void *)MX53_ESDHC3_BASE_ADDR))
 		pre_div = 2;
 	else
 		pre_div = 1;
-- 
2.39.5

Re: [PATCH] mci: imx-esdhc-pbl: fix iMX50 prediv setting

[Sascha Hauer]

On Sun, 03 Aug 2025 05:54:49 +0000, Alexander Kurz wrote:
> The ESDHC3 instance is common between iMX50 and iMX53.
> Extend the required quirk also to iMX50 fixing a problem that data could
> not be written to an eMMC.
> 
> 

Applied, thanks!

[1/1] mci: imx-esdhc-pbl: fix iMX50 prediv setting
      https://git.pengutronix.de/cgit/barebox/commit/?id=08c388d2aa11 (link may not be stable)

Best regards,
-- 
Sascha Hauer <s.hauer@pengutronix.de>