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[U-Boot,01/23] ARM64: zynqmp: ep: Define minimum sdhci frequency for ep

Message ID cc56e09876cf64ce9b9b719c6235f8e515872d2e.1452779188.git.michal.simek@xilinx.com
State Accepted
Commit c061d5b3dd026b4d85390c19db65604dc7451f97
Delegated to: Michal Simek
Headers show

Commit Message

Michal Simek Jan. 14, 2016, 1:46 p.m. UTC 
From: Siva Durga Prasad Paladugu <siva.durga.paladugu@xilinx.com>

Define minimum sdhci frequency for ep, as not defining
it causes the divisor to be 2048 as per sd version but
keeping clock very low on ep causes command failures.

Signed-off-by: Siva Durga Prasad Paladugu <sivadur@xilinx.com>
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
---

 include/configs/xilinx_zynqmp_ep.h | 1 +
 1 file changed, 1 insertion(+)
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Patch

diff --git a/include/configs/xilinx_zynqmp_ep.h b/include/configs/xilinx_zynqmp_ep.h
index ec39211af3db..ed7ae177bc9b 100644
--- a/include/configs/xilinx_zynqmp_ep.h
+++ b/include/configs/xilinx_zynqmp_ep.h
@@ -17,6 +17,7 @@ 
 
 #define CONFIG_ZYNQ_SDHCI0
 #define CONFIG_ZYNQ_SDHCI_MAX_FREQ	52000000
+#define CONFIG_ZYNQ_SDHCI_MIN_FREQ	(CONFIG_ZYNQ_SDHCI_MAX_FREQ << 9)
 #define CONFIG_ZYNQ_I2C0
 #define CONFIG_SYS_I2C_ZYNQ
 #define CONFIG_ZYNQ_EEPROM