mmc: Added Kconfig support for CONFIG_ZYNQ_SDHCI_MAX_FREQ

This patch added Kconfig support for CONFIG_ZYNQ_SDHCI_MAX_FREQ
and enabled it in respective defconfig.

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

arch/arm/cpu/armv8/zynqmp/Kconfig

@@ -96,6 +96,9 @@ config SPL_ZYNQMP_ALT_BOOTMODE_ENABLED
 	  Overwrite bootmode selected via boot mode pins to tell SPL what should
 	  be the next boot device.
 
+config ZYNQ_SDHCI_MAX_FREQ
+	default 200000000
+
 config SPL_ZYNQMP_ALT_BOOTMODE
 	hex
 	default 0x0 if JTAG_MODE

arch/arm/mach-zynq/Kconfig

@@ -63,4 +63,7 @@ config BOOT_INIT_FILE
 	  Add register writes to boot.bin format (max 256 pairs).
 	  Expect a table of register-value pairs, e.g. "0x12345678 0x4321"
 
+config ZYNQ_SDHCI_MAX_FREQ
+	default 52000000
+
 endif

configs/xilinx_zynqmp_ep_defconfig

@@ -3,6 +3,7 @@ CONFIG_SYS_CONFIG_NAME="xilinx_zynqmp_ep"
 CONFIG_ARCH_ZYNQMP=y
 CONFIG_SYS_TEXT_BASE=0x8000000
 CONFIG_SYS_MALLOC_F_LEN=0x8000
+CONFIG_ZYNQ_SDHCI_MAX_FREQ=52000000
 CONFIG_ZYNQMP_USB=y
 CONFIG_DEFAULT_DEVICE_TREE="zynqmp-ep108"
 CONFIG_DEBUG_UART=y

drivers/mmc/Kconfig

@@ -481,6 +481,12 @@ config MMC_SDHCI_ZYNQ
 	help
 	  Support for Arasan SDHCI host controller on Zynq/ZynqMP ARM SoCs platform
 
+config ZYNQ_SDHCI_MAX_FREQ
+	int "Set the maximum frequency of the controller"
+	depends on MMC_SDHCI_ZYNQ
+	help
+	  Set the maximum frequency of the controller.
+
 config MMC_SUNXI
 	bool "Allwinner sunxi SD/MMC Host Controller support"
 	depends on ARCH_SUNXI && !UART0_PORT_F

include/configs/xilinx_zynqmp.h

@@ -56,9 +56,6 @@
 
 #if defined(CONFIG_MMC_SDHCI_ZYNQ)
 # define CONFIG_SUPPORT_EMMC_BOOT
-# ifndef CONFIG_ZYNQ_SDHCI_MAX_FREQ
-#  define CONFIG_ZYNQ_SDHCI_MAX_FREQ	200000000
-# endif
 #endif
 
 #ifdef CONFIG_NAND_ARASAN

include/configs/xilinx_zynqmp_ep.h

@@ -13,7 +13,6 @@
 #ifndef __CONFIG_ZYNQMP_EP_H
 #define __CONFIG_ZYNQMP_EP_H
 
-#define CONFIG_ZYNQ_SDHCI_MAX_FREQ	52000000
 #define CONFIG_ZYNQ_SDHCI_MIN_FREQ	(CONFIG_ZYNQ_SDHCI_MAX_FREQ >> 9)
 #define CONFIG_ZYNQ_EEPROM
 #define CONFIG_ZYNQMP_XHCI_LIST {ZYNQMP_USB0_XHCI_BASEADDR, \

include/configs/zynq-common.h

@@ -73,11 +73,6 @@
 #define CONFIG_MTD_DEVICE
 #endif
 
-/* MMC */
-#if defined(CONFIG_MMC_SDHCI_ZYNQ)
-# define CONFIG_ZYNQ_SDHCI_MAX_FREQ	52000000
-#endif
-
 #ifdef CONFIG_USB_EHCI_ZYNQ
 # define CONFIG_EHCI_IS_TDI