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>
12 #include <dm/uclass-internal.h>
13 #include <asm/arch/rmobile.h>
15 #ifdef CONFIG_RCAR_GEN3
17 DECLARE_GLOBAL_DATA_PTR;
19 /* If the firmware passed a device tree use it for U-Boot DRAM setup. */
20 extern u64 rcar_atf_boot_args[];
24 const void *atf_fdt_blob = (const void *)(rcar_atf_boot_args[1]);
27 /* Check if ATF passed us DTB. If not, fall back to builtin DTB. */
28 if (fdt_magic(atf_fdt_blob) == FDT_MAGIC)
33 return fdtdec_setup_mem_size_base_fdt(blob);
36 int dram_init_banksize(void)
38 const void *atf_fdt_blob = (const void *)(rcar_atf_boot_args[1]);
41 /* Check if ATF passed us DTB. If not, fall back to builtin DTB. */
42 if (fdt_magic(atf_fdt_blob) == FDT_MAGIC)
47 fdtdec_setup_memory_banksize_fdt(blob);
52 #if CONFIG_IS_ENABLED(OF_BOARD_SETUP) && CONFIG_IS_ENABLED(PCI)
53 int ft_board_setup(void *blob, bd_t *bd)
60 ret = uclass_get(UCLASS_PCI, &uc);
64 uclass_foreach_dev(dev, uc) {
65 struct pci_controller hose = { 0 };
67 for (i = 0; i < CONFIG_NR_DRAM_BANKS; i++) {
68 if (hose.region_count == MAX_PCI_REGIONS) {
69 printf("maximum number of regions parsed, aborting\n");
73 if (bd->bi_dram[i].size) {
74 pci_set_region(&hose.regions[hose.region_count++],
80 PCI_REGION_SYS_MEMORY);
84 regs_addr = devfdt_get_addr_index(dev, 0);
85 off = fdt_node_offset_by_compat_reg(blob,
86 "renesas,pcie-rcar-gen3", regs_addr);
88 printf("Failed to find PCIe node@%llx\n", regs_addr);
92 fdt_pci_dma_ranges(blob, off, &hose);