diff --git a/board/toradex/colibri-imx8x/colibri-imx8x.c b/board/toradex/colibri-imx8x/colibri-imx8x.c
index f981c11a37cb6ca8ed77bfa35d8319358d2f4a27..da081e30bec76ad67563742596e26a4064f5c40b 100644
--- a/board/toradex/colibri-imx8x/colibri-imx8x.c
+++ b/board/toradex/colibri-imx8x/colibri-imx8x.c
@@ -39,6 +39,29 @@ static void setup_iomux_uart(void)
 	imx8_iomux_setup_multiple_pads(uart3_pads, ARRAY_SIZE(uart3_pads));
 }
 
+void board_mem_get_layout(u64 *phys_sdram_1_start,
+			  u64 *phys_sdram_1_size,
+			  u64 *phys_sdram_2_start,
+			  u64 *phys_sdram_2_size)
+{
+	u32 is_dualx = 0, val = 0;
+	sc_err_t scierr = sc_misc_otp_fuse_read(-1, 6, &val);
+
+	if (scierr == SC_ERR_NONE) {
+		/* DX has two A35 cores disabled */
+		is_dualx = (val & 0xf) != 0x0;
+	}
+
+	*phys_sdram_1_start = PHYS_SDRAM_1;
+	if (is_dualx)
+		/* Our DX based SKUs only have 1 GB RAM */
+		*phys_sdram_1_size = SZ_1G;
+	else
+		*phys_sdram_1_size = PHYS_SDRAM_1_SIZE;
+	*phys_sdram_2_start = PHYS_SDRAM_2;
+	*phys_sdram_2_size = PHYS_SDRAM_2_SIZE;
+}
+
 int board_early_init_f(void)
 {
 	sc_pm_clock_rate_t rate;