arm: imx8m: imx8mm-cl-iot-gate: Add support for detect memory size
When purchasing imx8mm-cl-iot-gate it is able to customize the
memory size. It could be 1GB, 2GB and 4GB. We implement
board_phys_sdram_size() to detect the memory size for usage.
Signed-off-by: Ying-Chun Liu (PaulLiu) <paulliu@debian.org>
Cc: Fabio Estevam <festevam@denx.de>
Cc: Frieder Schrempf <frieder.schrempf@kontron.de>
Cc: uboot-imx <uboot-imx@nxp.com>
Reviewed-by: Fabio Estevam <festevam@denx.de>
diff --git a/board/compulab/imx8mm-cl-iot-gate/imx8mm-cl-iot-gate.c b/board/compulab/imx8mm-cl-iot-gate/imx8mm-cl-iot-gate.c
index eabcc84..cd15410 100644
--- a/board/compulab/imx8mm-cl-iot-gate/imx8mm-cl-iot-gate.c
+++ b/board/compulab/imx8mm-cl-iot-gate/imx8mm-cl-iot-gate.c
@@ -6,6 +6,7 @@
#include <common.h>
#include <env.h>
+#include <hang.h>
#include <init.h>
#include <miiphy.h>
#include <netdev.h>
@@ -14,8 +15,32 @@
#include <asm/arch/sys_proto.h>
#include <asm/io.h>
+#include "ddr/ddr.h"
+
DECLARE_GLOBAL_DATA_PTR;
+int board_phys_sdram_size(phys_size_t *size)
+{
+ struct lpddr4_tcm_desc *lpddr4_tcm_desc =
+ (struct lpddr4_tcm_desc *)TCM_DATA_CFG;
+
+ switch (lpddr4_tcm_desc->size) {
+ case 4096:
+ case 2048:
+ case 1024:
+ *size = (1L << 20) * lpddr4_tcm_desc->size;
+ break;
+ default:
+ printf("%s: DRAM size %uM is not supported\n",
+ __func__,
+ lpddr4_tcm_desc->size);
+ hang();
+ break;
+ };
+
+ return 0;
+}
+
static int setup_fec(void)
{
if (IS_ENABLED(CONFIG_FEC_MXC)) {