ddr: altera: Add DDR driver for Agilex5 series
Adding DDR driver support for Agilex5 series.
Signed-off-by: Tingting Meng <tingting.meng@altera.com>
diff --git a/arch/arm/mach-socfpga/misc.c b/arch/arm/mach-socfpga/misc.c
index fbe3af8..97e0114 100644
--- a/arch/arm/mach-socfpga/misc.c
+++ b/arch/arm/mach-socfpga/misc.c
@@ -5,27 +5,29 @@
#include <config.h>
#include <command.h>
-#include <cpu_func.h>
-#include <hang.h>
-#include <asm/cache.h>
-#include <init.h>
-#include <asm/global_data.h>
-#include <asm/io.h>
#include <errno.h>
+#include <init.h>
+#include <handoff.h>
+#include <hang.h>
+#include <watchdog.h>
#include <fdtdec.h>
#include <linux/libfdt.h>
-#include <altera.h>
+#include <linux/printk.h>
#include <miiphy.h>
#include <netdev.h>
-#include <watchdog.h>
+#include <asm/global_data.h>
+#include <asm/io.h>
+#include <asm/cache.h>
+#include <asm/pl310.h>
#include <asm/arch/misc.h>
+#include <asm/arch/nic301.h>
#include <asm/arch/reset_manager.h>
#include <asm/arch/scan_manager.h>
-#include <asm/arch/system_manager.h>
-#include <asm/arch/nic301.h>
#include <asm/arch/scu.h>
-#include <asm/pl310.h>
-#include <linux/printk.h>
+#include <asm/arch/system_manager.h>
+#include <altera.h>
+#include <bloblist.h>
+#include <cpu_func.h>
DECLARE_GLOBAL_DATA_PTR;
@@ -51,8 +53,18 @@
int dram_init(void)
{
+#if CONFIG_IS_ENABLED(HANDOFF) && IS_ENABLED(CONFIG_TARGET_SOCFPGA_AGILEX5)
+ struct spl_handoff *ho;
+
+ ho = bloblist_find(BLOBLISTT_U_BOOT_SPL_HANDOFF, sizeof(*ho));
+ if (!ho)
+ return log_msg_ret("Missing SPL hand-off info", -ENOENT);
+ gd->ram_size = ho->ram_bank[0].size;
+ gd->ram_base = ho->ram_bank[0].start;
+#else
if (fdtdec_setup_mem_size_base() != 0)
return -EINVAL;
+#endif /* HANDOFF && CONFIG_TARGET_SOCFPGA_AGILEX5 */
return 0;
}