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https://github.com/AsahiLinux/u-boot
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51 lines
1.1 KiB
C
51 lines
1.1 KiB
C
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// SPDX-License-Identifier: GPL-2.0+ OR X11
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/*
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* Copyright 2019 NXP
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*
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* PCIe Kernel DT fixup of DM U-Boot driver for Freescale PowerPC SoCs
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* Author: Hou Zhiqiang <Zhiqiang.Hou@nxp.com>
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*/
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#include <common.h>
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#ifdef CONFIG_OF_BOARD_SETUP
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#include <dm.h>
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#include <fdt_support.h>
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#include <asm/fsl_pci.h>
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#include <linux/libfdt.h>
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#include "pcie_fsl.h"
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static void ft_fsl_pcie_setup(void *blob, struct fsl_pcie *pcie)
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{
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struct pci_controller *hose = dev_get_uclass_priv(pcie->bus);
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fdt_addr_t regs_addr;
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int off;
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regs_addr = dev_read_addr(pcie->bus);
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off = fdt_node_offset_by_compat_reg(blob, FSL_PCIE_COMPAT, regs_addr);
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if (off < 0) {
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printf("%s: Fail to find PCIe node@0x%pa\n",
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FSL_PCIE_COMPAT, ®s_addr);
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return;
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}
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if (!hose || !pcie->enabled)
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fdt_del_node(blob, off);
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else
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fdt_pci_dma_ranges(blob, off, hose);
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}
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/* Fixup Kernel DT for PCIe */
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void pci_of_setup(void *blob, bd_t *bd)
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{
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struct fsl_pcie *pcie;
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list_for_each_entry(pcie, &fsl_pcie_list, list)
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ft_fsl_pcie_setup(blob, pcie);
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}
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#else
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void pci_of_setup(void *blob, bd_t *bd)
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{
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}
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#endif
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