diff options
Diffstat (limited to 'drivers/pci/pcie_layerscape_gen4.c')
-rw-r--r-- | drivers/pci/pcie_layerscape_gen4.c | 19 |
1 files changed, 15 insertions, 4 deletions
diff --git a/drivers/pci/pcie_layerscape_gen4.c b/drivers/pci/pcie_layerscape_gen4.c index 62bfbd9a86..be9cb6285c 100644 --- a/drivers/pci/pcie_layerscape_gen4.c +++ b/drivers/pci/pcie_layerscape_gen4.c @@ -1,6 +1,6 @@ // SPDX-License-Identifier: GPL-2.0+ OR X11 /* - * Copyright 2018-2019 NXP + * Copyright 2018-2020 NXP * * PCIe Gen4 driver for NXP Layerscape SoCs * Author: Hou Zhiqiang <Minder.Hou@gmail.com> @@ -455,6 +455,7 @@ static int ls_pcie_g4_probe(struct udevice *dev) u32 link_ctrl_sta; u32 val; int ret; + fdt_size_t cfg_size; pcie->bus = dev; @@ -472,7 +473,8 @@ static int ls_pcie_g4_probe(struct udevice *dev) pcie->enabled = is_serdes_configured(PCIE_SRDS_PRTCL(pcie->idx)); if (!pcie->enabled) { - printf("PCIe%d: %s disabled\n", pcie->idx, dev->name); + printf("PCIe%d: %s disabled\n", PCIE_SRDS_PRTCL(pcie->idx), + dev->name); return 0; } @@ -487,6 +489,13 @@ static int ls_pcie_g4_probe(struct udevice *dev) return ret; } + cfg_size = fdt_resource_size(&pcie->cfg_res); + if (cfg_size < SZ_4K) { + printf("PCIe%d: %s Invalid size(0x%llx) for resource \"config\",expected minimum 0x%x\n", + PCIE_SRDS_PRTCL(pcie->idx), dev->name, cfg_size, SZ_4K); + return 0; + } + pcie->cfg = map_physmem(pcie->cfg_res.start, fdt_resource_size(&pcie->cfg_res), MAP_NOCACHE); @@ -522,10 +531,12 @@ static int ls_pcie_g4_probe(struct udevice *dev) pcie->mode = readb(pcie->ccsr + PCI_HEADER_TYPE) & 0x7f; if (pcie->mode == PCI_HEADER_TYPE_NORMAL) { - printf("PCIe%u: %s %s", pcie->idx, dev->name, "Endpoint"); + printf("PCIe%u: %s %s", PCIE_SRDS_PRTCL(pcie->idx), dev->name, + "Endpoint"); ls_pcie_g4_setup_ep(pcie); } else { - printf("PCIe%u: %s %s", pcie->idx, dev->name, "Root Complex"); + printf("PCIe%u: %s %s", PCIE_SRDS_PRTCL(pcie->idx), dev->name, + "Root Complex"); ls_pcie_g4_setup_ctrl(pcie); } |