u-boot/drivers/pci/pcie_layerscape.c
Minghuan Lian da419027af arm: ls102xa: Update PCIe dts node status
The patch changes PCIe dts node status to 'disabled' if the
corresponding controller is disabled according to serdes protocol.

Signed-off-by: Minghuan Lian <Minghuan.Lian@freescale.com>
Reviewed-by: York Sun <yorksun@freescale.com>
2014-12-11 09:35:56 -08:00

52 lines
999 B
C

/*
* Copyright 2014 Freescale Semiconductor, Inc.
* Layerscape PCIe driver
*
* SPDX-License-Identifier: GPL-2.0+
*/
#include <common.h>
#include <asm/arch/fsl_serdes.h>
#include <pci.h>
#include <asm/io.h>
#include <asm/pcie_layerscape.h>
#ifdef CONFIG_OF_BOARD_SETUP
#include <libfdt.h>
#include <fdt_support.h>
static void ft_pcie_ls_setup(void *blob, const char *pci_compat,
unsigned long ctrl_addr, enum srds_prtcl dev)
{
int off;
off = fdt_node_offset_by_compat_reg(blob, pci_compat,
(phys_addr_t)ctrl_addr);
if (off < 0)
return;
if (!is_serdes_configured(dev))
fdt_set_node_status(blob, off, FDT_STATUS_DISABLED, 0);
}
void ft_pcie_setup(void *blob, bd_t *bd)
{
#ifdef CONFIG_PCIE1
ft_pcie_ls_setup(blob, FSL_PCIE_COMPAT, CONFIG_SYS_PCIE1_ADDR, PCIE1);
#endif
#ifdef CONFIG_PCIE2
ft_pcie_ls_setup(blob, FSL_PCIE_COMPAT, CONFIG_SYS_PCIE2_ADDR, PCIE2);
#endif
}
#else
void ft_pcie_setup(void *blob, bd_t *bd)
{
}
#endif
void pci_init_board(void)
{
}