intel: agilex: HMC driver calculate DDR size

Driver will calculate DDR size instead of using hardcoded value
Signed-off-by: Hadi Asyrafi <muhammad.hadi.asyrafi.abdul.halim@intel.com>
Change-Id: I642cf2180929965ef12bd5ae4393b2f3d0dcddde

plat/intel/soc/agilex/soc/agilex_memory_controller.c

@@ -160,8 +160,6 @@ int init_hard_memory_controller(void)
 		return status;
 	}
 
-/*	mmio_clrbits_32(AGX_RSTMGR_BRGMODRST, AGX_RSTMGR_BRGMODRST_DDRSCH);*/
-
 	status = mem_calibration();
 	if (status) {
 		ERROR("DDR: Memory Calibration Failed\n");
@@ -169,7 +167,6 @@ int init_hard_memory_controller(void)
 	}
 
 	configure_hmc_adaptor_regs();
-/*	configure_ddr_sched_ctrl_regs();*/
 
 	return 0;
 }
@@ -359,16 +356,17 @@ void configure_hmc_adaptor_regs(void)
 	mmio_write_32(AGX_MPFE_HMC_ADP(ADP_DRAMADDRWIDTH), data);
 
 	/* Enable nonsecure access to DDR */
-	mmio_write_32(AGX_NOC_FW_DDR_SCR_MPUREGION0ADDR_LIMIT,
-			AGX_DDR_SIZE - 1);
-	mmio_write_32(AGX_NOC_FW_DDR_SCR_MPUREGION0ADDR_LIMITEXT,
-			0x1f);
+	data = get_physical_dram_size();
 
-	mmio_write_32(AGX_NOC_FW_DDR_SCR_NONMPUREGION0ADDR_LIMIT,
-			AGX_DDR_SIZE - 1);
+	if (data < AGX_DDR_SIZE)
+		data = AGX_DDR_SIZE;
 
-	mmio_write_32(AGX_SOC_NOC_FW_DDR_SCR_ENABLESET, BIT(0) | BIT(8));
+	mmio_write_32(AGX_NOC_FW_DDR_SCR_MPUREGION0ADDR_LIMIT, data - 1);
+	mmio_write_32(AGX_NOC_FW_DDR_SCR_MPUREGION0ADDR_LIMITEXT, 0x1f);
 
+	mmio_write_32(AGX_NOC_FW_DDR_SCR_NONMPUREGION0ADDR_LIMIT, data - 1);
+
+	mmio_write_32(AGX_SOC_NOC_FW_DDR_SCR_ENABLESET, BIT(0) | BIT(8));
 
 	/* ECC enablement */
 	data = mmio_read_32(AGX_MPFE_IOHMC_REG_CTRLCFG1);