From 361377dbdbc9f0f59b954248a696ad46ad5036b7 Mon Sep 17 00:00:00 2001 From: Marek Vasut Date: Sat, 11 Apr 2020 20:50:24 +0200 Subject: [PATCH] ARM: rmobile: Merge prior-stage firmware DT fragment into U-Boot DT on Gen3 The prior-stage firmware generates DT fragment containing the /firmware node, /reserved-memory node and /memory@ nodes. Merge these nodes into the U-Boot DT, so U-Boot can use this information. Reviewed-by: Simon Glass Signed-off-by: Marek Vasut Cc: Nobuhiro Iwamatsu Cc: Simon Glass Cc: Tom Rini --- board/renesas/rcar-common/common.c | 28 ++++++++++------------------ 1 file changed, 10 insertions(+), 18 deletions(-) diff --git a/board/renesas/rcar-common/common.c b/board/renesas/rcar-common/common.c index b9e8cb4..46dcea1 100644 --- a/board/renesas/rcar-common/common.c +++ b/board/renesas/rcar-common/common.c @@ -21,32 +21,24 @@ DECLARE_GLOBAL_DATA_PTR; /* If the firmware passed a device tree use it for U-Boot DRAM setup. */ extern u64 rcar_atf_boot_args[]; -int dram_init(void) +int fdtdec_board_setup(const void *fdt_blob) { - const void *atf_fdt_blob = (const void *)(rcar_atf_boot_args[1]); - const void *blob; + void *atf_fdt_blob = (void *)(rcar_atf_boot_args[1]); - /* Check if ATF passed us DTB. If not, fall back to builtin DTB. */ if (fdt_magic(atf_fdt_blob) == FDT_MAGIC) - blob = atf_fdt_blob; - else - blob = gd->fdt_blob; + fdt_overlay_apply_node((void *)fdt_blob, 0, atf_fdt_blob, 0); - return fdtdec_setup_mem_size_base_fdt(blob); + return 0; } -int dram_init_banksize(void) +int dram_init(void) { - const void *atf_fdt_blob = (const void *)(rcar_atf_boot_args[1]); - const void *blob; - - /* Check if ATF passed us DTB. If not, fall back to builtin DTB. */ - if (fdt_magic(atf_fdt_blob) == FDT_MAGIC) - blob = atf_fdt_blob; - else - blob = gd->fdt_blob; + return fdtdec_setup_mem_size_base_fdt(gd->fdt_blob); +} - fdtdec_setup_memory_banksize_fdt(blob); +int dram_init_banksize(void) +{ + fdtdec_setup_memory_banksize_fdt(gd->fdt_blob); return 0; } -- 2.7.4