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[];
26 const void *atf_fdt_blob = (const void *)(rcar_atf_boot_args[1]);
29 /* Check if ATF passed us DTB. If not, fall back to builtin DTB. */
30 if (fdt_magic(atf_fdt_blob) == FDT_MAGIC)
35 return fdtdec_setup_mem_size_base_fdt(blob);
38 int dram_init_banksize(void)
40 const void *atf_fdt_blob = (const void *)(rcar_atf_boot_args[1]);
43 /* Check if ATF passed us DTB. If not, fall back to builtin DTB. */
44 if (fdt_magic(atf_fdt_blob) == FDT_MAGIC)
49 fdtdec_setup_memory_banksize_fdt(blob);
54 #if CONFIG_IS_ENABLED(OF_BOARD_SETUP) && CONFIG_IS_ENABLED(PCI)
55 int ft_board_setup(void *blob, bd_t *bd)
62 ret = uclass_get(UCLASS_PCI, &uc);
66 uclass_foreach_dev(dev, uc) {
67 struct pci_controller hose = { 0 };
69 for (i = 0; i < CONFIG_NR_DRAM_BANKS; i++) {
70 if (hose.region_count == MAX_PCI_REGIONS) {
71 printf("maximum number of regions parsed, aborting\n");
75 if (bd->bi_dram[i].size) {
76 pci_set_region(&hose.regions[hose.region_count++],
82 PCI_REGION_SYS_MEMORY);
86 regs_addr = devfdt_get_addr_index(dev, 0);
87 off = fdt_node_offset_by_compat_reg(blob,
88 "renesas,pcie-rcar-gen3", regs_addr);
90 printf("Failed to find PCIe node@%llx\n", regs_addr);
94 fdt_pci_dma_ranges(blob, off, &hose);