[J-u-boot.git] / drivers / pci / pcie_fsl_fixup.c

// SPDX-License-Identifier: GPL-2.0+ OR X11
/*
 * Copyright 2019 NXP
 *
 * PCIe Kernel DT fixup of DM U-Boot driver for Freescale PowerPC SoCs
 * Author: Hou Zhiqiang <[email protected]>
 */

#ifdef CONFIG_OF_BOARD_SETUP
#include <dm.h>
#include <fdt_support.h>
#include <asm/fsl_pci.h>
#include <linux/libfdt.h>
#include "pcie_fsl.h"

static void ft_fsl_pcie_setup(void *blob, struct fsl_pcie *pcie)
{
	struct pci_controller *hose = dev_get_uclass_priv(pcie->bus);
	fdt_addr_t regs_addr;
	int off;

	regs_addr = dev_read_addr(pcie->bus);
	off = fdt_node_offset_by_compat_reg(blob, FSL_PCIE_COMPAT, regs_addr);
	if (off < 0) {
		printf("%s: Fail to find PCIe node@0x%pa\n",
		       FSL_PCIE_COMPAT, &regs_addr);
		return;
	}

	if (!hose || !pcie->enabled)
		fdt_del_node(blob, off);
	else
		fdt_pci_dma_ranges(blob, off, hose);
}

/* Fixup Kernel DT for PCIe */
void pci_of_setup(void *blob, struct bd_info *bd)
{
	struct fsl_pcie *pcie;

	list_for_each_entry(pcie, &fsl_pcie_list, list)
		ft_fsl_pcie_setup(blob, pcie);
}

#else
void pci_of_setup(void *blob, struct bd_info *bd)
{
}
#endif
Commit	Line	Data
b89e3d92 HZ	1	// SPDX-License-Identifier: GPL-2.0+ OR X11
	2	/*
	3	* Copyright 2019 NXP
	4	*
	5	* PCIe Kernel DT fixup of DM U-Boot driver for Freescale PowerPC SoCs
	6	* Author: Hou Zhiqiang <[email protected]>
	7	*/
	8
b89e3d92 HZ	9	#ifdef CONFIG_OF_BOARD_SETUP
	10	#include <dm.h>
	11	#include <fdt_support.h>
	12	#include <asm/fsl_pci.h>
	13	#include <linux/libfdt.h>
	14	#include "pcie_fsl.h"
	15
	16	static void ft_fsl_pcie_setup(void blob, struct fsl_pcie pcie)
	17	{
	18	struct pci_controller *hose = dev_get_uclass_priv(pcie->bus);
	19	fdt_addr_t regs_addr;
	20	int off;
	21
	22	regs_addr = dev_read_addr(pcie->bus);
	23	off = fdt_node_offset_by_compat_reg(blob, FSL_PCIE_COMPAT, regs_addr);
	24	if (off < 0) {
	25	printf("%s: Fail to find PCIe node@0x%pa\n",
	26	FSL_PCIE_COMPAT, &regs_addr);
	27	return;
	28	}
	29
	30	if (!hose \|\| !pcie->enabled)
	31	fdt_del_node(blob, off);
	32	else
	33	fdt_pci_dma_ranges(blob, off, hose);
	34	}
	35
	36	/* Fixup Kernel DT for PCIe */
b75d8dc5	37	void pci_of_setup(void blob, struct bd_info bd)
b89e3d92 HZ	38	{
	39	struct fsl_pcie *pcie;
	40
	41	list_for_each_entry(pcie, &fsl_pcie_list, list)
	42	ft_fsl_pcie_setup(blob, pcie);
	43	}
	44
	45	#else
b75d8dc5	46	void pci_of_setup(void blob, struct bd_info bd)
b89e3d92 HZ	47	{
	48	}
	49	#endif