--- a/psdkla/board-support/ti-u-boot-2024.04+git/drivers/ram/k3-ddrss/k3-ddrss.c
+++ b/psdkla/board-support/ti-u-boot-2024.04+git/drivers/ram/k3-ddrss/k3-ddrss.c
@@ -4,7 +4,8 @@
  *
  * Copyright (C) 2020-2021 Texas Instruments Incorporated - https://www.ti.com/
  */
-

 static void k3_ddrss_set_ecc_range_r0(u32 base, u64 start_address, u64 size)
@@ -782,9 +786,30 @@ static void k3_ddrss_lpddr4_ecc_init(struct k3_ddrss_desc *ddrss)
        writel(val, base + DDRSS_ECC_CTRL_REG);
 }

+static void k3_lpddr4_MRR(struct k3_ddrss_desc *ddrss, uint32_t rank, uint32_t mr)
+{
+       uint32_t rank_read, channelA_MRval, channelB_MRval;
+
+       uint32_t readModelRegVal = (0x10000U | ((rank & 1U) << 8U) | (mr & 0xFFU));
+       uint64_t mmrValue = 0U;
+       uint8_t mmrStatus = 0U;
+
+       lpddr4_obj *driverdt = ddrss->driverdt;
+       lpddr4_privatedata *pd = &ddrss->pd;
+
+       driverdt->getmmrregister(pd, readModelRegVal, &mmrValue, &mmrStatus);
+
+       rank_read = (uint32_t)(mmrValue >> 32U);
+       channelA_MRval = (uint32_t)(mmrValue & 0xFFU);
+       channelB_MRval = (uint32_t)((mmrValue & 0xFF0000) >> 16U);
+       printf("Rank [%d], MR [%d]\n", rank_read, mr);
+       printf("\tChannel A:0x%02x\n", channelA_MRval);
+       printf("\tChannel B:0x%02x\n", channelB_MRval);
+}
+
 static int k3_ddrss_probe(struct udevice *dev)
 {
-       int ret;
+       int ret, i;
        struct k3_ddrss_desc *ddrss = dev_get_priv(dev);

        debug("%s(dev=%p)\n", __func__, dev);
@@ -828,7 +853,8 @@ static int k3_ddrss_probe(struct udevice *dev)
                ddrss->ecc_regions[0].range = ddrss->ddr_ram_size - ddrss->ecc_reserved_space;
                k3_ddrss_lpddr4_ecc_init(ddrss);
        }
-
+       for(i=0; i<64; i++)
+               k3_lpddr4_MRR(ddrss, 0, i);
        return ret;
 }