From: "Ying-Chun Liu (PaulLiu)" <paul...@debian.org>
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) <paul...@debian.org>
Cc: Fabio Estevam <feste...@denx.de>
Cc: Frieder Schrempf <frieder.schre...@kontron.de>
Cc: uboot-imx <uboot-...@nxp.com>
---
.../imx8mm-cl-iot-gate/imx8mm-cl-iot-gate.c | 25 +++++++++++++++++++
include/configs/imx8mm-cl-iot-gate.h | 2 +-
2 files changed, 26 insertions(+), 1 deletion(-)
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 eabcc842a4..01c6011b75 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
@@ -14,8 +14,33 @@
#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);
+ while (1)
+ ;
+ break;
+ };
+
+ return 0;
+}
+
static int setup_fec(void)
{
if (IS_ENABLED(CONFIG_FEC_MXC)) {
diff --git a/include/configs/imx8mm-cl-iot-gate.h
b/include/configs/imx8mm-cl-iot-gate.h
index faeee2178c..1e835563d6 100644
--- a/include/configs/imx8mm-cl-iot-gate.h
+++ b/include/configs/imx8mm-cl-iot-gate.h
@@ -158,7 +158,7 @@
#define CONFIG_SYS_SDRAM_BASE 0x40000000
#define PHYS_SDRAM 0x40000000
-#define PHYS_SDRAM_SIZE 0x80000000 /* 2GB DDR */
+#define PHYS_SDRAM_SIZE 0x40000000 /* 1GB DDR */
#define CONFIG_MXC_UART_BASE UART3_BASE_ADDR
--
2.32.0
