diff --git a/examples/platform/silabs/efr32/rs911x/hal/efx32_ncp_host.c b/examples/platform/silabs/efr32/rs911x/hal/efx32_ncp_host.c
index fded8defa3..0a2fad7d0d 100644
--- a/examples/platform/silabs/efr32/rs911x/hal/efx32_ncp_host.c
+++ b/examples/platform/silabs/efr32/rs911x/hal/efx32_ncp_host.c
@@ -36,7 +36,10 @@
 #include "sl_power_manager.h"
 #endif
 
+#ifdef SL_BOARD_NAME
 #include "sl_board_control.h"
+#endif // SL_BOARD_NAME
+
 #include "sl_si91x_ncp_utility.h"
 #include "spi_multiplex.h"
 
diff --git a/examples/platform/silabs/efr32/rs911x/hal/efx_spi.c b/examples/platform/silabs/efr32/rs911x/hal/efx_spi.c
index 6c03b6f1f4..1f10640e04 100644
--- a/examples/platform/silabs/efr32/rs911x/hal/efx_spi.c
+++ b/examples/platform/silabs/efr32/rs911x/hal/efx_spi.c
@@ -35,7 +35,6 @@
 #include "em_gpio.h"
 #include "em_ldma.h"
 #include "gpiointerrupt.h"
-#include "sl_board_control.h"
 #include "sl_device_init_clocks.h"
 #include "sl_device_init_hfxo.h"
 #include "sl_spidrv_instances.h"
@@ -47,6 +46,10 @@
 #include "wfx_host_events.h"
 #include "wfx_rsi.h"
 
+#ifdef SL_BOARD_NAME
+#include "sl_board_control.h"
+#endif // SL_BOARD_NAME
+
 #if defined(SL_CATALOG_POWER_MANAGER_PRESENT)
 #include "sl_power_manager.h"
 #endif
@@ -65,18 +68,12 @@
 #include "sl_mx25_flash_shutdown_usart_config.h"
 #endif // SL_MX25CTRL_MUX
 
-#if defined(EFR32MG24)
 #include "em_eusart.h"
 #include "sl_spidrv_eusart_exp_config.h"
 #include "spi_multiplex.h"
-#else
-#error "Unknown platform"
-#endif
 
-#if defined(EFR32MG24)
 #define SL_SPIDRV_HANDLE sl_spidrv_eusart_exp_handle
 #define SL_SPIDRV_EXP_BITRATE_MULTIPLEXED SL_SPIDRV_EUSART_EXP_BITRATE
-#endif
 
 #define CONCAT(A, B) (A##B)
 #define SPI_CLOCK(N) CONCAT(cmuClock_USART, N)
@@ -113,10 +110,8 @@ void sl_wfx_host_gpio_init(void)
     // Enable GPIO clock.
     CMU_ClockEnable(cmuClock_GPIO, true);
 
-#if defined(EFR32MG24)
     // Set CS pin to high/inactive
     GPIO_PinModeSet(SL_SPIDRV_EUSART_EXP_CS_PORT, SL_SPIDRV_EUSART_EXP_CS_PIN, gpioModePushPull, PINOUT_SET);
-#endif // EFR32MG24
 
     GPIO_PinModeSet(WFX_RESET_PIN.port, WFX_RESET_PIN.pin, gpioModePushPull, PINOUT_SET);
     GPIO_PinModeSet(WFX_SLEEP_CONFIRM_PIN.port, WFX_SLEEP_CONFIRM_PIN.pin, gpioModePushPull, PINOUT_CLEAR);
@@ -195,9 +190,7 @@ sl_status_t sl_wfx_host_spi_cs_assert(void)
     if (!spi_enabled) // Reduce sl_spidrv_init_instances
     {
         sl_spidrv_init_instances();
-#if defined(EFR32MG24)
         GPIO_PinOutClear(SL_SPIDRV_EUSART_EXP_CS_PORT, SL_SPIDRV_EUSART_EXP_CS_PIN);
-#endif // EFR32MG24
         spi_enabled = true;
     }
     return SL_STATUS_OK;
@@ -211,11 +204,9 @@ sl_status_t sl_wfx_host_spi_cs_deassert(void)
         status = SPIDRV_DeInit(SL_SPIDRV_HANDLE);
         if (SL_STATUS_OK == status)
         {
-#if defined(EFR32MG24)
             GPIO_PinOutSet(SL_SPIDRV_EUSART_EXP_CS_PORT, SL_SPIDRV_EUSART_EXP_CS_PIN);
             GPIO->EUSARTROUTE[SL_SPIDRV_EUSART_EXP_PERIPHERAL_NO].ROUTEEN = PINOUT_CLEAR;
-#endif // EFR32MG24
-            spi_enabled = false;
+            spi_enabled                                                   = false;
         }
     }
 #if SL_SPICTRL_MUX
diff --git a/examples/platform/silabs/efr32/rs911x/hal/rsi_board_configuration.h b/examples/platform/silabs/efr32/rs911x/hal/rsi_board_configuration.h
index 4d8d9da1dd..ed04acf5b3 100644
--- a/examples/platform/silabs/efr32/rs911x/hal/rsi_board_configuration.h
+++ b/examples/platform/silabs/efr32/rs911x/hal/rsi_board_configuration.h
@@ -35,7 +35,8 @@ typedef struct
 #elif defined(EFR32MG24_BRD4187C) || defined(BRD4187C)
 #include "brd4187c.h"
 #else
-#error "Need SPI Pins"
+#include "sl_custom_board.h"
+#warning "Modify sl_custom_board.h configuration file to match your hardware SPIDRV USART peripheral"
 #endif /* EFR32MG24_BRD4186C */
 
 #endif /* _RSI_BOARD_CONFIGURATION_H_ */
diff --git a/examples/platform/silabs/efr32/rs911x/hal/sl_board_configuration.h b/examples/platform/silabs/efr32/rs911x/hal/sl_board_configuration.h
index c1dceab06d..317bdc5bd2 100644
--- a/examples/platform/silabs/efr32/rs911x/hal/sl_board_configuration.h
+++ b/examples/platform/silabs/efr32/rs911x/hal/sl_board_configuration.h
@@ -36,7 +36,8 @@ typedef struct
 #elif defined(EFR32MG24_BRD4187C) || defined(BRD4187C)
 #include "brd4187c.h"
 #else
-#error "Need SPI Pins"
+#include "sl_custom_board.h"
+#warning "Modify sl_custom_board.h configuration file to match your hardware SPIDRV USART peripheral"
 #endif
 #if EXP_BOARD
 #define RESET_PIN PIN(A, 6)
diff --git a/examples/platform/silabs/efr32/rs911x/hal/sl_si91x_ncp_utility.c b/examples/platform/silabs/efr32/rs911x/hal/sl_si91x_ncp_utility.c
index 4b876883c1..b16bbdc475 100644
--- a/examples/platform/silabs/efr32/rs911x/hal/sl_si91x_ncp_utility.c
+++ b/examples/platform/silabs/efr32/rs911x/hal/sl_si91x_ncp_utility.c
@@ -36,7 +36,9 @@
 #include "spidrv.h"
 #include "task.h"
 
+#ifdef SL_BOARD_NAME
 #include "sl_board_control.h"
+#endif // SL_BOARD_NAME
 
 #include "sl_device_init_clocks.h"
 #include "sl_device_init_hfxo.h"
@@ -242,4 +244,4 @@ sl_status_t sl_wfx_host_spiflash_cs_deassert(void)
     GPIO_PinOutSet(SL_MX25_FLASH_SHUTDOWN_CS_PORT, SL_MX25_FLASH_SHUTDOWN_CS_PIN);
     return SL_STATUS_OK;
 }
-#endif // SL_MX25CTRL_MUX
\ No newline at end of file
+#endif // SL_MX25CTRL_MUX
diff --git a/examples/platform/silabs/efr32/sl_custom_board.h b/examples/platform/silabs/efr32/sl_custom_board.h
new file mode 100644
index 0000000000..420b715de9
--- /dev/null
+++ b/examples/platform/silabs/efr32/sl_custom_board.h
@@ -0,0 +1,71 @@
+/*
+ * This file is used to set the pins for the SPI for Custom boards
+ * The SPI pins are defined in the file
+ *
+ *  !!!! MODIFY THIS FILE TO THE CORRECT PINS !!!!
+ */
+
+#ifndef _CUSTOM_BOARD_H_
+#define _CUSTOM_BOARD_H_
+
+#define WAKE_INDICATOR_PIN PIN(D, 2)
+#ifdef RS911X_WIFI
+// SPI ports and pins
+#define EUS1MOSI_PORT gpioPortC
+#define EUS1MOSI_PIN 1
+#define EUS1MISO_PORT gpioPortC
+#define EUS1MISO_PIN 2
+#define EUS1SCLK_PORT gpioPortC
+#define EUS1SCLK_PIN 3
+#define EUS1CS_PORT gpioPortC
+#define EUS1CS_PIN 0
+
+#define MY_USART EUSART1
+#define MY_USART_CLOCK cmuClock_EUSART1
+#define MY_USART_TX_SIGNAL dmadrvPeripheralSignal_EUSART1_TXBL
+#define MY_USART_RX_SIGNAL dmadrvPeripheralSignal_EUSART1_RXDATAV
+
+#define WFX_RESET_PIN PIN(A, 6)
+#define WFX_INTERRUPT_PIN PIN(A, 7)
+#ifdef EXP_BOARD
+#define WFX_SLEEP_CONFIRM_PIN PIN(D, 2) /* Expansion header pin7 */
+#else
+#define WFX_SLEEP_CONFIRM_PIN PIN(A, 5)
+#endif /* EXP_BOARD */
+#define SL_WFX_HOST_PINOUT_SPI_IRQ 5
+
+#else /* WF200 */
+
+#define PIN_OUT_SET 1
+#define PIN_OUT_CLEAR 0
+
+#define MY_USART USART0
+#define MY_USART_CLOCK cmuClock_USART0
+#define MY_USART_TX_SIGNAL dmadrvPeripheralSignal_USART0_TXBL
+#define MY_USART_RX_SIGNAL dmadrvPeripheralSignal_USART0_RXDATAV
+
+#define SL_WFX_HOST_PINOUT_RESET_PORT gpioPortA
+#define SL_WFX_HOST_PINOUT_RESET_PIN 5
+#define SL_WFX_HOST_PINOUT_SPI_WIRQ_PORT gpioPortA /* SPI IRQ port */
+#define SL_WFX_HOST_PINOUT_SPI_WIRQ_PIN 8          /* SPI IRQ pin */
+#define SL_WFX_HOST_PINOUT_WUP_PORT gpioPortB
+#define SL_WFX_HOST_PINOUT_WUP_PIN 5
+
+#define SL_WFX_HOST_PINOUT_SPI_TX_PORT gpioPortC
+#define SL_WFX_HOST_PINOUT_SPI_TX_PIN 1
+#define SL_WFX_HOST_PINOUT_SPI_TX_LOC 1
+
+#define SL_WFX_HOST_PINOUT_SPI_RX_PORT gpioPortC
+#define SL_WFX_HOST_PINOUT_SPI_RX_PIN 2
+#define SL_WFX_HOST_PINOUT_SPI_RX_LOC 1
+
+#define SL_WFX_HOST_PINOUT_SPI_CLK_PORT gpioPortC
+#define SL_WFX_HOST_PINOUT_SPI_CLK_PIN 3
+#define SL_WFX_HOST_PINOUT_SPI_CLK_LOC 1
+
+#define SL_WFX_HOST_PINOUT_SPI_CS_PORT gpioPortC
+#define SL_WFX_HOST_PINOUT_SPI_CS_PIN 0
+#define SL_WFX_HOST_PINOUT_SPI_CS_LOC 1
+
+#endif /* WF200/9116 */
+#endif /* _CUSTOM_BOARD_H_ */
diff --git a/examples/platform/silabs/efr32/wf200/efr_spi.c b/examples/platform/silabs/efr32/wf200/efr_spi.c
index 122652e96d..3ef34c928e 100644
--- a/examples/platform/silabs/efr32/wf200/efr_spi.c
+++ b/examples/platform/silabs/efr32/wf200/efr_spi.c
@@ -98,11 +98,9 @@ sl_status_t sl_wfx_host_init_bus(void)
      * EUSARTROUTE register to do this.
      */
 
-#if defined(EFR32MG24)
     GPIO->USARTROUTE[0].ROUTEEN = GPIO_USART_ROUTEEN_RXPEN | // MISO
         GPIO_USART_ROUTEEN_TXPEN |                           // MOSI
         GPIO_USART_ROUTEEN_CLKPEN;
-#endif
 
     spi_sem = xSemaphoreCreateBinaryStatic(&xEfrSpiSemaBuffer);
     xSemaphoreGive(spi_sem);
@@ -338,11 +336,8 @@ void sl_wfx_host_gpio_init(void)
 {
     // Enable GPIO clock.
     CMU_ClockEnable(cmuClock_GPIO, true);
-
-#if defined(EFR32MG24)
     // configure WF200 CS pin.
     GPIO_PinModeSet(SL_SPIDRV_EXP_CS_PORT, SL_SPIDRV_EXP_CS_PIN, gpioModePushPull, 1);
-#endif
     // Configure WF200 reset pin.
     GPIO_PinModeSet(SL_WFX_HOST_PINOUT_RESET_PORT, SL_WFX_HOST_PINOUT_RESET_PIN, gpioModePushPull, 0);
     // Configure WF200 WUP pin.
diff --git a/examples/platform/silabs/efr32/wf200/sl_wfx_board.h b/examples/platform/silabs/efr32/wf200/sl_wfx_board.h
index 3cbed666d6..35ce2f633d 100644
--- a/examples/platform/silabs/efr32/wf200/sl_wfx_board.h
+++ b/examples/platform/silabs/efr32/wf200/sl_wfx_board.h
@@ -25,6 +25,7 @@
 #elif defined(EFR32MG24_BRD4187C) || defined(BRD4187C) || defined(EFR32MG24_BRD4187A) || defined(BRD4187A)
 #include "brd4187c.h"
 #else
-#error "Need SPI Pins"
+#include "sl_custom_board.h"
+#warning "Modify sl_custom_board.h configuration file to match your hardware SPIDRV USART peripheral"
 #endif
 #endif /* _SL_WFX_BOARD_H_ */