1 // SPDX-License-Identifier: GPL-2.0
3 * board/renesas/rcar-common/common.c
5 * Copyright (C) 2013 Renesas Electronics Corporation
6 * Copyright (C) 2013 Nobuhiro Iwamatsu <nobuhiro.iwamatsu.yj@renesas.com>
7 * Copyright (C) 2015 Nobuhiro Iwamatsu <iwamatsu@nigauri.org>
13 #include <dm/uclass-internal.h>
14 #include <asm/arch/rmobile.h>
15 #include <linux/libfdt.h>
17 #ifdef CONFIG_RCAR_GEN3
19 DECLARE_GLOBAL_DATA_PTR;
21 /* If the firmware passed a device tree use it for U-Boot DRAM setup. */
22 extern u64 rcar_atf_boot_args[];
24 int fdtdec_board_setup(const void *fdt_blob)
26 void *atf_fdt_blob = (void *)(rcar_atf_boot_args[1]);
28 if (fdt_magic(atf_fdt_blob) == FDT_MAGIC)
29 fdt_overlay_apply_node((void *)fdt_blob, 0, atf_fdt_blob, 0);
36 return fdtdec_setup_mem_size_base();
39 int dram_init_banksize(void)
41 fdtdec_setup_memory_banksize();
46 #if CONFIG_IS_ENABLED(OF_BOARD_SETUP) && CONFIG_IS_ENABLED(PCI)
47 int ft_board_setup(void *blob, struct bd_info *bd)
54 ret = uclass_get(UCLASS_PCI, &uc);
58 uclass_foreach_dev(dev, uc) {
59 struct pci_controller hose = { 0 };
61 for (i = 0; i < CONFIG_NR_DRAM_BANKS; i++) {
62 if (hose.region_count == MAX_PCI_REGIONS) {
63 printf("maximum number of regions parsed, aborting\n");
67 if (bd->bi_dram[i].size) {
68 pci_set_region(&hose.regions[hose.region_count++],
74 PCI_REGION_SYS_MEMORY);
78 regs_addr = devfdt_get_addr_index(dev, 0);
79 off = fdt_node_offset_by_compat_reg(blob,
80 "renesas,pcie-rcar-gen3", regs_addr);
82 printf("Failed to find PCIe node@%llx\n", regs_addr);
86 fdt_pci_dma_ranges(blob, off, &hose);