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- // SPDX-License-Identifier: GPL-2.0
- /*
- * board/renesas/rcar-common/common.c
- *
- * Copyright (C) 2013 Renesas Electronics Corporation
- * Copyright (C) 2013 Nobuhiro Iwamatsu <nobuhiro.iwamatsu.yj@renesas.com>
- * Copyright (C) 2015 Nobuhiro Iwamatsu <iwamatsu@nigauri.org>
- */
- #include <common.h>
- #include <dm.h>
- #include <init.h>
- #include <dm/uclass-internal.h>
- #include <asm/arch/rmobile.h>
- #include <linux/libfdt.h>
- #ifdef CONFIG_RCAR_GEN3
- 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 fdtdec_board_setup(const void *fdt_blob)
- {
- void *atf_fdt_blob = (void *)(rcar_atf_boot_args[1]);
- if (fdt_magic(atf_fdt_blob) == FDT_MAGIC)
- fdt_overlay_apply_node((void *)fdt_blob, 0, atf_fdt_blob, 0);
- return 0;
- }
- int dram_init(void)
- {
- return fdtdec_setup_mem_size_base();
- }
- int dram_init_banksize(void)
- {
- fdtdec_setup_memory_banksize();
- return 0;
- }
- #if CONFIG_IS_ENABLED(OF_BOARD_SETUP) && CONFIG_IS_ENABLED(PCI)
- int ft_board_setup(void *blob, struct bd_info *bd)
- {
- struct udevice *dev;
- struct uclass *uc;
- fdt_addr_t regs_addr;
- int i, off, ret;
- ret = uclass_get(UCLASS_PCI, &uc);
- if (ret)
- return ret;
- uclass_foreach_dev(dev, uc) {
- struct pci_controller hose = { 0 };
- for (i = 0; i < CONFIG_NR_DRAM_BANKS; i++) {
- if (hose.region_count == MAX_PCI_REGIONS) {
- printf("maximum number of regions parsed, aborting\n");
- break;
- }
- if (bd->bi_dram[i].size) {
- pci_set_region(&hose.regions[hose.region_count++],
- bd->bi_dram[i].start,
- bd->bi_dram[i].start,
- bd->bi_dram[i].size,
- PCI_REGION_MEM |
- PCI_REGION_PREFETCH |
- PCI_REGION_SYS_MEMORY);
- }
- }
- regs_addr = devfdt_get_addr_index(dev, 0);
- off = fdt_node_offset_by_compat_reg(blob,
- "renesas,pcie-rcar-gen3", regs_addr);
- if (off < 0) {
- printf("Failed to find PCIe node@%llx\n", regs_addr);
- return off;
- }
- fdt_pci_dma_ranges(blob, off, &hose);
- }
- return 0;
- }
- #endif
- #endif
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