[SeaBIOS] [PATCH] sdcard: Increase power-on timeout to 25 ms

[Paul Menzel]

From: Matt DeVillier 
Date: Fri, 14 Dec 2018 01:20:31 -0600

This helps card detection on some Chromebooks.

Signed-off-by: Matt DeVillier 
Signed-off-by: Paul Menzel 
---
Upstream from https://github.com/MrChromebox/SeaBIOS/

Matt, it’d be great if you could list the affected Chromebooks you know of.

src/hw/sdcard.c | 2 +-
  1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/hw/sdcard.c b/src/hw/sdcard.c
index 97517f4..2cd4e3d 100644
--- a/src/hw/sdcard.c
+++ b/src/hw/sdcard.c
@@ -128,7 +128,7 @@ struct sdhci_s {

// SDHCI timeouts
  #define SDHCI_POWER_OFF_TIME   1
-#define SDHCI_POWER_ON_TIME    5
+#define SDHCI_POWER_ON_TIME    25
  #define SDHCI_CLOCK_ON_TIME    1 // 74 clock cycles
  #define SDHCI_POWERUP_TIMEOUT  1000
  #define SDHCI_PIO_TIMEOUT      1000  // XXX - this is just made up