From: Tingting Meng <tingting.meng@altera.com>
Date: Mon, 10 Mar 2025 07:31:24 +0000 (+0800)
Subject: arm: socfpga: socfpga_soc64: Enable LMB_ARCH_MEM_MAP
X-Git-Tag: v2025.07-rc1~42^2~3
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=d0bf7bebfd5c045b96686e314177b2e01d0695e3;p=pandora-u-boot.git

arm: socfpga: socfpga_soc64: Enable LMB_ARCH_MEM_MAP

LMB_ARCH_MEM_MAP is enabled, and lmb_arch_add_memory() is introduced to
correctly handle memory reservations for the second and third DDR
memory banks.

Signed-off-by: Tingting Meng <tingting.meng@altera.com>
---

diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index 83f6cb6edcc..df373d38a55 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -1138,6 +1138,7 @@ config ARCH_SOCFPGA
 	select DM_SERIAL
 	select GPIO_EXTRA_HEADER
 	select ENABLE_ARM_SOC_BOOT0_HOOK if TARGET_SOCFPGA_GEN5 || TARGET_SOCFPGA_ARRIA10
+	select LMB_ARCH_MEM_MAP if TARGET_SOCFPGA_SOC64
 	select OF_CONTROL
 	select SPL_DM_RESET if DM_RESET
 	select SPL_DM_SERIAL
diff --git a/arch/arm/mach-socfpga/board.c b/arch/arm/mach-socfpga/board.c
index 27072e53135..8506d510413 100644
--- a/arch/arm/mach-socfpga/board.c
+++ b/arch/arm/mach-socfpga/board.c
@@ -195,3 +195,16 @@ void board_prep_linux(struct bootm_headers *images)
 	}
 }
 #endif
+
+#if CONFIG_IS_ENABLED(LMB_ARCH_MEM_MAP)
+void lmb_arch_add_memory(void)
+{
+	int i;
+	struct bd_info *bd = gd->bd;
+
+	for (i = 0; i < CONFIG_NR_DRAM_BANKS; i++) {
+		if (bd->bi_dram[i].size)
+			lmb_add(bd->bi_dram[i].start, bd->bi_dram[i].size);
+	}
+}
+#endif