93 lines
2.0 KiB
C
93 lines
2.0 KiB
C
// 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_fdt(gd->fdt_blob);
|
|
}
|
|
|
|
int dram_init_banksize(void)
|
|
{
|
|
fdtdec_setup_memory_banksize_fdt(gd->fdt_blob);
|
|
|
|
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
|