v4.19.13 snapshot.
diff --git a/arch/powerpc/sysdev/fsl_pci.c b/arch/powerpc/sysdev/fsl_pci.c
new file mode 100644
index 0000000..918be81
--- /dev/null
+++ b/arch/powerpc/sysdev/fsl_pci.c
@@ -0,0 +1,1345 @@
+/*
+ * MPC83xx/85xx/86xx PCI/PCIE support routing.
+ *
+ * Copyright 2007-2012 Freescale Semiconductor, Inc.
+ * Copyright 2008-2009 MontaVista Software, Inc.
+ *
+ * Initial author: Xianghua Xiao <x.xiao@freescale.com>
+ * Recode: ZHANG WEI <wei.zhang@freescale.com>
+ * Rewrite the routing for Frescale PCI and PCI Express
+ * Roy Zang <tie-fei.zang@freescale.com>
+ * MPC83xx PCI-Express support:
+ * Tony Li <tony.li@freescale.com>
+ * Anton Vorontsov <avorontsov@ru.mvista.com>
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2 of the License, or (at your
+ * option) any later version.
+ */
+#include <linux/kernel.h>
+#include <linux/pci.h>
+#include <linux/delay.h>
+#include <linux/string.h>
+#include <linux/fsl/edac.h>
+#include <linux/init.h>
+#include <linux/interrupt.h>
+#include <linux/memblock.h>
+#include <linux/log2.h>
+#include <linux/platform_device.h>
+#include <linux/slab.h>
+#include <linux/suspend.h>
+#include <linux/syscore_ops.h>
+#include <linux/uaccess.h>
+
+#include <asm/io.h>
+#include <asm/prom.h>
+#include <asm/pci-bridge.h>
+#include <asm/ppc-pci.h>
+#include <asm/machdep.h>
+#include <asm/mpc85xx.h>
+#include <asm/disassemble.h>
+#include <asm/ppc-opcode.h>
+#include <sysdev/fsl_soc.h>
+#include <sysdev/fsl_pci.h>
+
+static int fsl_pcie_bus_fixup, is_mpc83xx_pci;
+
+static void quirk_fsl_pcie_early(struct pci_dev *dev)
+{
+ u8 hdr_type;
+
+ /* if we aren't a PCIe don't bother */
+ if (!pci_is_pcie(dev))
+ return;
+
+ /* if we aren't in host mode don't bother */
+ pci_read_config_byte(dev, PCI_HEADER_TYPE, &hdr_type);
+ if ((hdr_type & 0x7f) != PCI_HEADER_TYPE_BRIDGE)
+ return;
+
+ dev->class = PCI_CLASS_BRIDGE_PCI << 8;
+ fsl_pcie_bus_fixup = 1;
+ return;
+}
+
+static int fsl_indirect_read_config(struct pci_bus *, unsigned int,
+ int, int, u32 *);
+
+static int fsl_pcie_check_link(struct pci_controller *hose)
+{
+ u32 val = 0;
+
+ if (hose->indirect_type & PPC_INDIRECT_TYPE_FSL_CFG_REG_LINK) {
+ if (hose->ops->read == fsl_indirect_read_config)
+ __indirect_read_config(hose, hose->first_busno, 0,
+ PCIE_LTSSM, 4, &val);
+ else
+ early_read_config_dword(hose, 0, 0, PCIE_LTSSM, &val);
+ if (val < PCIE_LTSSM_L0)
+ return 1;
+ } else {
+ struct ccsr_pci __iomem *pci = hose->private_data;
+ /* for PCIe IP rev 3.0 or greater use CSR0 for link state */
+ val = (in_be32(&pci->pex_csr0) & PEX_CSR0_LTSSM_MASK)
+ >> PEX_CSR0_LTSSM_SHIFT;
+ if (val != PEX_CSR0_LTSSM_L0)
+ return 1;
+ }
+
+ return 0;
+}
+
+static int fsl_indirect_read_config(struct pci_bus *bus, unsigned int devfn,
+ int offset, int len, u32 *val)
+{
+ struct pci_controller *hose = pci_bus_to_host(bus);
+
+ if (fsl_pcie_check_link(hose))
+ hose->indirect_type |= PPC_INDIRECT_TYPE_NO_PCIE_LINK;
+ else
+ hose->indirect_type &= ~PPC_INDIRECT_TYPE_NO_PCIE_LINK;
+
+ return indirect_read_config(bus, devfn, offset, len, val);
+}
+
+#if defined(CONFIG_FSL_SOC_BOOKE) || defined(CONFIG_PPC_86xx)
+
+static struct pci_ops fsl_indirect_pcie_ops =
+{
+ .read = fsl_indirect_read_config,
+ .write = indirect_write_config,
+};
+
+static u64 pci64_dma_offset;
+
+#ifdef CONFIG_SWIOTLB
+static void setup_swiotlb_ops(struct pci_controller *hose)
+{
+ if (ppc_swiotlb_enable) {
+ hose->controller_ops.dma_dev_setup = pci_dma_dev_setup_swiotlb;
+ set_pci_dma_ops(&powerpc_swiotlb_dma_ops);
+ }
+}
+#else
+static inline void setup_swiotlb_ops(struct pci_controller *hose) {}
+#endif
+
+static int fsl_pci_dma_set_mask(struct device *dev, u64 dma_mask)
+{
+ if (!dev->dma_mask || !dma_supported(dev, dma_mask))
+ return -EIO;
+
+ /*
+ * Fix up PCI devices that are able to DMA to the large inbound
+ * mapping that allows addressing any RAM address from across PCI.
+ */
+ if (dev_is_pci(dev) && dma_mask >= pci64_dma_offset * 2 - 1) {
+ set_dma_ops(dev, &dma_nommu_ops);
+ set_dma_offset(dev, pci64_dma_offset);
+ }
+
+ *dev->dma_mask = dma_mask;
+ return 0;
+}
+
+static int setup_one_atmu(struct ccsr_pci __iomem *pci,
+ unsigned int index, const struct resource *res,
+ resource_size_t offset)
+{
+ resource_size_t pci_addr = res->start - offset;
+ resource_size_t phys_addr = res->start;
+ resource_size_t size = resource_size(res);
+ u32 flags = 0x80044000; /* enable & mem R/W */
+ unsigned int i;
+
+ pr_debug("PCI MEM resource start 0x%016llx, size 0x%016llx.\n",
+ (u64)res->start, (u64)size);
+
+ if (res->flags & IORESOURCE_PREFETCH)
+ flags |= 0x10000000; /* enable relaxed ordering */
+
+ for (i = 0; size > 0; i++) {
+ unsigned int bits = min_t(u32, ilog2(size),
+ __ffs(pci_addr | phys_addr));
+
+ if (index + i >= 5)
+ return -1;
+
+ out_be32(&pci->pow[index + i].potar, pci_addr >> 12);
+ out_be32(&pci->pow[index + i].potear, (u64)pci_addr >> 44);
+ out_be32(&pci->pow[index + i].powbar, phys_addr >> 12);
+ out_be32(&pci->pow[index + i].powar, flags | (bits - 1));
+
+ pci_addr += (resource_size_t)1U << bits;
+ phys_addr += (resource_size_t)1U << bits;
+ size -= (resource_size_t)1U << bits;
+ }
+
+ return i;
+}
+
+static bool is_kdump(void)
+{
+ struct device_node *node;
+
+ node = of_find_node_by_type(NULL, "memory");
+ if (!node) {
+ WARN_ON_ONCE(1);
+ return false;
+ }
+
+ return of_property_read_bool(node, "linux,usable-memory");
+}
+
+/* atmu setup for fsl pci/pcie controller */
+static void setup_pci_atmu(struct pci_controller *hose)
+{
+ struct ccsr_pci __iomem *pci = hose->private_data;
+ int i, j, n, mem_log, win_idx = 3, start_idx = 1, end_idx = 4;
+ u64 mem, sz, paddr_hi = 0;
+ u64 offset = 0, paddr_lo = ULLONG_MAX;
+ u32 pcicsrbar = 0, pcicsrbar_sz;
+ u32 piwar = PIWAR_EN | PIWAR_PF | PIWAR_TGI_LOCAL |
+ PIWAR_READ_SNOOP | PIWAR_WRITE_SNOOP;
+ const u64 *reg;
+ int len;
+ bool setup_inbound;
+
+ /*
+ * If this is kdump, we don't want to trigger a bunch of PCI
+ * errors by closing the window on in-flight DMA.
+ *
+ * We still run most of the function's logic so that things like
+ * hose->dma_window_size still get set.
+ */
+ setup_inbound = !is_kdump();
+
+ if (of_device_is_compatible(hose->dn, "fsl,bsc9132-pcie")) {
+ /*
+ * BSC9132 Rev1.0 has an issue where all the PEX inbound
+ * windows have implemented the default target value as 0xf
+ * for CCSR space.In all Freescale legacy devices the target
+ * of 0xf is reserved for local memory space. 9132 Rev1.0
+ * now has local mempry space mapped to target 0x0 instead of
+ * 0xf. Hence adding a workaround to remove the target 0xf
+ * defined for memory space from Inbound window attributes.
+ */
+ piwar &= ~PIWAR_TGI_LOCAL;
+ }
+
+ if (early_find_capability(hose, 0, 0, PCI_CAP_ID_EXP)) {
+ if (in_be32(&pci->block_rev1) >= PCIE_IP_REV_2_2) {
+ win_idx = 2;
+ start_idx = 0;
+ end_idx = 3;
+ }
+ }
+
+ /* Disable all windows (except powar0 since it's ignored) */
+ for(i = 1; i < 5; i++)
+ out_be32(&pci->pow[i].powar, 0);
+
+ if (setup_inbound) {
+ for (i = start_idx; i < end_idx; i++)
+ out_be32(&pci->piw[i].piwar, 0);
+ }
+
+ /* Setup outbound MEM window */
+ for(i = 0, j = 1; i < 3; i++) {
+ if (!(hose->mem_resources[i].flags & IORESOURCE_MEM))
+ continue;
+
+ paddr_lo = min(paddr_lo, (u64)hose->mem_resources[i].start);
+ paddr_hi = max(paddr_hi, (u64)hose->mem_resources[i].end);
+
+ /* We assume all memory resources have the same offset */
+ offset = hose->mem_offset[i];
+ n = setup_one_atmu(pci, j, &hose->mem_resources[i], offset);
+
+ if (n < 0 || j >= 5) {
+ pr_err("Ran out of outbound PCI ATMUs for resource %d!\n", i);
+ hose->mem_resources[i].flags |= IORESOURCE_DISABLED;
+ } else
+ j += n;
+ }
+
+ /* Setup outbound IO window */
+ if (hose->io_resource.flags & IORESOURCE_IO) {
+ if (j >= 5) {
+ pr_err("Ran out of outbound PCI ATMUs for IO resource\n");
+ } else {
+ pr_debug("PCI IO resource start 0x%016llx, size 0x%016llx, "
+ "phy base 0x%016llx.\n",
+ (u64)hose->io_resource.start,
+ (u64)resource_size(&hose->io_resource),
+ (u64)hose->io_base_phys);
+ out_be32(&pci->pow[j].potar, (hose->io_resource.start >> 12));
+ out_be32(&pci->pow[j].potear, 0);
+ out_be32(&pci->pow[j].powbar, (hose->io_base_phys >> 12));
+ /* Enable, IO R/W */
+ out_be32(&pci->pow[j].powar, 0x80088000
+ | (ilog2(hose->io_resource.end
+ - hose->io_resource.start + 1) - 1));
+ }
+ }
+
+ /* convert to pci address space */
+ paddr_hi -= offset;
+ paddr_lo -= offset;
+
+ if (paddr_hi == paddr_lo) {
+ pr_err("%pOF: No outbound window space\n", hose->dn);
+ return;
+ }
+
+ if (paddr_lo == 0) {
+ pr_err("%pOF: No space for inbound window\n", hose->dn);
+ return;
+ }
+
+ /* setup PCSRBAR/PEXCSRBAR */
+ early_write_config_dword(hose, 0, 0, PCI_BASE_ADDRESS_0, 0xffffffff);
+ early_read_config_dword(hose, 0, 0, PCI_BASE_ADDRESS_0, &pcicsrbar_sz);
+ pcicsrbar_sz = ~pcicsrbar_sz + 1;
+
+ if (paddr_hi < (0x100000000ull - pcicsrbar_sz) ||
+ (paddr_lo > 0x100000000ull))
+ pcicsrbar = 0x100000000ull - pcicsrbar_sz;
+ else
+ pcicsrbar = (paddr_lo - pcicsrbar_sz) & -pcicsrbar_sz;
+ early_write_config_dword(hose, 0, 0, PCI_BASE_ADDRESS_0, pcicsrbar);
+
+ paddr_lo = min(paddr_lo, (u64)pcicsrbar);
+
+ pr_info("%pOF: PCICSRBAR @ 0x%x\n", hose->dn, pcicsrbar);
+
+ /* Setup inbound mem window */
+ mem = memblock_end_of_DRAM();
+ pr_info("%s: end of DRAM %llx\n", __func__, mem);
+
+ /*
+ * The msi-address-64 property, if it exists, indicates the physical
+ * address of the MSIIR register. Normally, this register is located
+ * inside CCSR, so the ATMU that covers all of CCSR is used. But if
+ * this property exists, then we normally need to create a new ATMU
+ * for it. For now, however, we cheat. The only entity that creates
+ * this property is the Freescale hypervisor, and the address is
+ * specified in the partition configuration. Typically, the address
+ * is located in the page immediately after the end of DDR. If so, we
+ * can avoid allocating a new ATMU by extending the DDR ATMU by one
+ * page.
+ */
+ reg = of_get_property(hose->dn, "msi-address-64", &len);
+ if (reg && (len == sizeof(u64))) {
+ u64 address = be64_to_cpup(reg);
+
+ if ((address >= mem) && (address < (mem + PAGE_SIZE))) {
+ pr_info("%pOF: extending DDR ATMU to cover MSIIR", hose->dn);
+ mem += PAGE_SIZE;
+ } else {
+ /* TODO: Create a new ATMU for MSIIR */
+ pr_warn("%pOF: msi-address-64 address of %llx is "
+ "unsupported\n", hose->dn, address);
+ }
+ }
+
+ sz = min(mem, paddr_lo);
+ mem_log = ilog2(sz);
+
+ /* PCIe can overmap inbound & outbound since RX & TX are separated */
+ if (early_find_capability(hose, 0, 0, PCI_CAP_ID_EXP)) {
+ /* Size window to exact size if power-of-two or one size up */
+ if ((1ull << mem_log) != mem) {
+ mem_log++;
+ if ((1ull << mem_log) > mem)
+ pr_info("%pOF: Setting PCI inbound window "
+ "greater than memory size\n", hose->dn);
+ }
+
+ piwar |= ((mem_log - 1) & PIWAR_SZ_MASK);
+
+ if (setup_inbound) {
+ /* Setup inbound memory window */
+ out_be32(&pci->piw[win_idx].pitar, 0x00000000);
+ out_be32(&pci->piw[win_idx].piwbar, 0x00000000);
+ out_be32(&pci->piw[win_idx].piwar, piwar);
+ }
+
+ win_idx--;
+ hose->dma_window_base_cur = 0x00000000;
+ hose->dma_window_size = (resource_size_t)sz;
+
+ /*
+ * if we have >4G of memory setup second PCI inbound window to
+ * let devices that are 64-bit address capable to work w/o
+ * SWIOTLB and access the full range of memory
+ */
+ if (sz != mem) {
+ mem_log = ilog2(mem);
+
+ /* Size window up if we dont fit in exact power-of-2 */
+ if ((1ull << mem_log) != mem)
+ mem_log++;
+
+ piwar = (piwar & ~PIWAR_SZ_MASK) | (mem_log - 1);
+ pci64_dma_offset = 1ULL << mem_log;
+
+ if (setup_inbound) {
+ /* Setup inbound memory window */
+ out_be32(&pci->piw[win_idx].pitar, 0x00000000);
+ out_be32(&pci->piw[win_idx].piwbear,
+ pci64_dma_offset >> 44);
+ out_be32(&pci->piw[win_idx].piwbar,
+ pci64_dma_offset >> 12);
+ out_be32(&pci->piw[win_idx].piwar, piwar);
+ }
+
+ /*
+ * install our own dma_set_mask handler to fixup dma_ops
+ * and dma_offset
+ */
+ ppc_md.dma_set_mask = fsl_pci_dma_set_mask;
+
+ pr_info("%pOF: Setup 64-bit PCI DMA window\n", hose->dn);
+ }
+ } else {
+ u64 paddr = 0;
+
+ if (setup_inbound) {
+ /* Setup inbound memory window */
+ out_be32(&pci->piw[win_idx].pitar, paddr >> 12);
+ out_be32(&pci->piw[win_idx].piwbar, paddr >> 12);
+ out_be32(&pci->piw[win_idx].piwar,
+ (piwar | (mem_log - 1)));
+ }
+
+ win_idx--;
+ paddr += 1ull << mem_log;
+ sz -= 1ull << mem_log;
+
+ if (sz) {
+ mem_log = ilog2(sz);
+ piwar |= (mem_log - 1);
+
+ if (setup_inbound) {
+ out_be32(&pci->piw[win_idx].pitar,
+ paddr >> 12);
+ out_be32(&pci->piw[win_idx].piwbar,
+ paddr >> 12);
+ out_be32(&pci->piw[win_idx].piwar, piwar);
+ }
+
+ win_idx--;
+ paddr += 1ull << mem_log;
+ }
+
+ hose->dma_window_base_cur = 0x00000000;
+ hose->dma_window_size = (resource_size_t)paddr;
+ }
+
+ if (hose->dma_window_size < mem) {
+#ifdef CONFIG_SWIOTLB
+ ppc_swiotlb_enable = 1;
+#else
+ pr_err("%pOF: ERROR: Memory size exceeds PCI ATMU ability to "
+ "map - enable CONFIG_SWIOTLB to avoid dma errors.\n",
+ hose->dn);
+#endif
+ /* adjusting outbound windows could reclaim space in mem map */
+ if (paddr_hi < 0xffffffffull)
+ pr_warn("%pOF: WARNING: Outbound window cfg leaves "
+ "gaps in memory map. Adjusting the memory map "
+ "could reduce unnecessary bounce buffering.\n",
+ hose->dn);
+
+ pr_info("%pOF: DMA window size is 0x%llx\n", hose->dn,
+ (u64)hose->dma_window_size);
+ }
+}
+
+static void __init setup_pci_cmd(struct pci_controller *hose)
+{
+ u16 cmd;
+ int cap_x;
+
+ early_read_config_word(hose, 0, 0, PCI_COMMAND, &cmd);
+ cmd |= PCI_COMMAND_SERR | PCI_COMMAND_MASTER | PCI_COMMAND_MEMORY
+ | PCI_COMMAND_IO;
+ early_write_config_word(hose, 0, 0, PCI_COMMAND, cmd);
+
+ cap_x = early_find_capability(hose, 0, 0, PCI_CAP_ID_PCIX);
+ if (cap_x) {
+ int pci_x_cmd = cap_x + PCI_X_CMD;
+ cmd = PCI_X_CMD_MAX_SPLIT | PCI_X_CMD_MAX_READ
+ | PCI_X_CMD_ERO | PCI_X_CMD_DPERR_E;
+ early_write_config_word(hose, 0, 0, pci_x_cmd, cmd);
+ } else {
+ early_write_config_byte(hose, 0, 0, PCI_LATENCY_TIMER, 0x80);
+ }
+}
+
+void fsl_pcibios_fixup_bus(struct pci_bus *bus)
+{
+ struct pci_controller *hose = pci_bus_to_host(bus);
+ int i, is_pcie = 0, no_link;
+
+ /* The root complex bridge comes up with bogus resources,
+ * we copy the PHB ones in.
+ *
+ * With the current generic PCI code, the PHB bus no longer
+ * has bus->resource[0..4] set, so things are a bit more
+ * tricky.
+ */
+
+ if (fsl_pcie_bus_fixup)
+ is_pcie = early_find_capability(hose, 0, 0, PCI_CAP_ID_EXP);
+ no_link = !!(hose->indirect_type & PPC_INDIRECT_TYPE_NO_PCIE_LINK);
+
+ if (bus->parent == hose->bus && (is_pcie || no_link)) {
+ for (i = 0; i < PCI_BRIDGE_RESOURCE_NUM; ++i) {
+ struct resource *res = bus->resource[i];
+ struct resource *par;
+
+ if (!res)
+ continue;
+ if (i == 0)
+ par = &hose->io_resource;
+ else if (i < 4)
+ par = &hose->mem_resources[i-1];
+ else par = NULL;
+
+ res->start = par ? par->start : 0;
+ res->end = par ? par->end : 0;
+ res->flags = par ? par->flags : 0;
+ }
+ }
+}
+
+int fsl_add_bridge(struct platform_device *pdev, int is_primary)
+{
+ int len;
+ struct pci_controller *hose;
+ struct resource rsrc;
+ const int *bus_range;
+ u8 hdr_type, progif;
+ struct device_node *dev;
+ struct ccsr_pci __iomem *pci;
+ u16 temp;
+ u32 svr = mfspr(SPRN_SVR);
+
+ dev = pdev->dev.of_node;
+
+ if (!of_device_is_available(dev)) {
+ pr_warn("%pOF: disabled\n", dev);
+ return -ENODEV;
+ }
+
+ pr_debug("Adding PCI host bridge %pOF\n", dev);
+
+ /* Fetch host bridge registers address */
+ if (of_address_to_resource(dev, 0, &rsrc)) {
+ printk(KERN_WARNING "Can't get pci register base!");
+ return -ENOMEM;
+ }
+
+ /* Get bus range if any */
+ bus_range = of_get_property(dev, "bus-range", &len);
+ if (bus_range == NULL || len < 2 * sizeof(int))
+ printk(KERN_WARNING "Can't get bus-range for %pOF, assume"
+ " bus 0\n", dev);
+
+ pci_add_flags(PCI_REASSIGN_ALL_BUS);
+ hose = pcibios_alloc_controller(dev);
+ if (!hose)
+ return -ENOMEM;
+
+ /* set platform device as the parent */
+ hose->parent = &pdev->dev;
+ hose->first_busno = bus_range ? bus_range[0] : 0x0;
+ hose->last_busno = bus_range ? bus_range[1] : 0xff;
+
+ pr_debug("PCI memory map start 0x%016llx, size 0x%016llx\n",
+ (u64)rsrc.start, (u64)resource_size(&rsrc));
+
+ pci = hose->private_data = ioremap(rsrc.start, resource_size(&rsrc));
+ if (!hose->private_data)
+ goto no_bridge;
+
+ setup_indirect_pci(hose, rsrc.start, rsrc.start + 0x4,
+ PPC_INDIRECT_TYPE_BIG_ENDIAN);
+
+ if (in_be32(&pci->block_rev1) < PCIE_IP_REV_3_0)
+ hose->indirect_type |= PPC_INDIRECT_TYPE_FSL_CFG_REG_LINK;
+
+ if (early_find_capability(hose, 0, 0, PCI_CAP_ID_EXP)) {
+ /* use fsl_indirect_read_config for PCIe */
+ hose->ops = &fsl_indirect_pcie_ops;
+ /* For PCIE read HEADER_TYPE to identify controller mode */
+ early_read_config_byte(hose, 0, 0, PCI_HEADER_TYPE, &hdr_type);
+ if ((hdr_type & 0x7f) != PCI_HEADER_TYPE_BRIDGE)
+ goto no_bridge;
+
+ } else {
+ /* For PCI read PROG to identify controller mode */
+ early_read_config_byte(hose, 0, 0, PCI_CLASS_PROG, &progif);
+ if ((progif & 1) &&
+ !of_property_read_bool(dev, "fsl,pci-agent-force-enum"))
+ goto no_bridge;
+ }
+
+ setup_pci_cmd(hose);
+
+ /* check PCI express link status */
+ if (early_find_capability(hose, 0, 0, PCI_CAP_ID_EXP)) {
+ hose->indirect_type |= PPC_INDIRECT_TYPE_EXT_REG |
+ PPC_INDIRECT_TYPE_SURPRESS_PRIMARY_BUS;
+ if (fsl_pcie_check_link(hose))
+ hose->indirect_type |= PPC_INDIRECT_TYPE_NO_PCIE_LINK;
+ } else {
+ /*
+ * Set PBFR(PCI Bus Function Register)[10] = 1 to
+ * disable the combining of crossing cacheline
+ * boundary requests into one burst transaction.
+ * PCI-X operation is not affected.
+ * Fix erratum PCI 5 on MPC8548
+ */
+#define PCI_BUS_FUNCTION 0x44
+#define PCI_BUS_FUNCTION_MDS 0x400 /* Master disable streaming */
+ if (((SVR_SOC_VER(svr) == SVR_8543) ||
+ (SVR_SOC_VER(svr) == SVR_8545) ||
+ (SVR_SOC_VER(svr) == SVR_8547) ||
+ (SVR_SOC_VER(svr) == SVR_8548)) &&
+ !early_find_capability(hose, 0, 0, PCI_CAP_ID_PCIX)) {
+ early_read_config_word(hose, 0, 0,
+ PCI_BUS_FUNCTION, &temp);
+ temp |= PCI_BUS_FUNCTION_MDS;
+ early_write_config_word(hose, 0, 0,
+ PCI_BUS_FUNCTION, temp);
+ }
+ }
+
+ printk(KERN_INFO "Found FSL PCI host bridge at 0x%016llx. "
+ "Firmware bus number: %d->%d\n",
+ (unsigned long long)rsrc.start, hose->first_busno,
+ hose->last_busno);
+
+ pr_debug(" ->Hose at 0x%p, cfg_addr=0x%p,cfg_data=0x%p\n",
+ hose, hose->cfg_addr, hose->cfg_data);
+
+ /* Interpret the "ranges" property */
+ /* This also maps the I/O region and sets isa_io/mem_base */
+ pci_process_bridge_OF_ranges(hose, dev, is_primary);
+
+ /* Setup PEX window registers */
+ setup_pci_atmu(hose);
+
+ /* Set up controller operations */
+ setup_swiotlb_ops(hose);
+
+ return 0;
+
+no_bridge:
+ iounmap(hose->private_data);
+ /* unmap cfg_data & cfg_addr separately if not on same page */
+ if (((unsigned long)hose->cfg_data & PAGE_MASK) !=
+ ((unsigned long)hose->cfg_addr & PAGE_MASK))
+ iounmap(hose->cfg_data);
+ iounmap(hose->cfg_addr);
+ pcibios_free_controller(hose);
+ return -ENODEV;
+}
+#endif /* CONFIG_FSL_SOC_BOOKE || CONFIG_PPC_86xx */
+
+DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_FREESCALE, PCI_ANY_ID,
+ quirk_fsl_pcie_early);
+
+#if defined(CONFIG_PPC_83xx) || defined(CONFIG_PPC_MPC512x)
+struct mpc83xx_pcie_priv {
+ void __iomem *cfg_type0;
+ void __iomem *cfg_type1;
+ u32 dev_base;
+};
+
+struct pex_inbound_window {
+ u32 ar;
+ u32 tar;
+ u32 barl;
+ u32 barh;
+};
+
+/*
+ * With the convention of u-boot, the PCIE outbound window 0 serves
+ * as configuration transactions outbound.
+ */
+#define PEX_OUTWIN0_BAR 0xCA4
+#define PEX_OUTWIN0_TAL 0xCA8
+#define PEX_OUTWIN0_TAH 0xCAC
+#define PEX_RC_INWIN_BASE 0xE60
+#define PEX_RCIWARn_EN 0x1
+
+static int mpc83xx_pcie_exclude_device(struct pci_bus *bus, unsigned int devfn)
+{
+ struct pci_controller *hose = pci_bus_to_host(bus);
+
+ if (hose->indirect_type & PPC_INDIRECT_TYPE_NO_PCIE_LINK)
+ return PCIBIOS_DEVICE_NOT_FOUND;
+ /*
+ * Workaround for the HW bug: for Type 0 configure transactions the
+ * PCI-E controller does not check the device number bits and just
+ * assumes that the device number bits are 0.
+ */
+ if (bus->number == hose->first_busno ||
+ bus->primary == hose->first_busno) {
+ if (devfn & 0xf8)
+ return PCIBIOS_DEVICE_NOT_FOUND;
+ }
+
+ if (ppc_md.pci_exclude_device) {
+ if (ppc_md.pci_exclude_device(hose, bus->number, devfn))
+ return PCIBIOS_DEVICE_NOT_FOUND;
+ }
+
+ return PCIBIOS_SUCCESSFUL;
+}
+
+static void __iomem *mpc83xx_pcie_remap_cfg(struct pci_bus *bus,
+ unsigned int devfn, int offset)
+{
+ struct pci_controller *hose = pci_bus_to_host(bus);
+ struct mpc83xx_pcie_priv *pcie = hose->dn->data;
+ u32 dev_base = bus->number << 24 | devfn << 16;
+ int ret;
+
+ ret = mpc83xx_pcie_exclude_device(bus, devfn);
+ if (ret)
+ return NULL;
+
+ offset &= 0xfff;
+
+ /* Type 0 */
+ if (bus->number == hose->first_busno)
+ return pcie->cfg_type0 + offset;
+
+ if (pcie->dev_base == dev_base)
+ goto mapped;
+
+ out_le32(pcie->cfg_type0 + PEX_OUTWIN0_TAL, dev_base);
+
+ pcie->dev_base = dev_base;
+mapped:
+ return pcie->cfg_type1 + offset;
+}
+
+static int mpc83xx_pcie_write_config(struct pci_bus *bus, unsigned int devfn,
+ int offset, int len, u32 val)
+{
+ struct pci_controller *hose = pci_bus_to_host(bus);
+
+ /* PPC_INDIRECT_TYPE_SURPRESS_PRIMARY_BUS */
+ if (offset == PCI_PRIMARY_BUS && bus->number == hose->first_busno)
+ val &= 0xffffff00;
+
+ return pci_generic_config_write(bus, devfn, offset, len, val);
+}
+
+static struct pci_ops mpc83xx_pcie_ops = {
+ .map_bus = mpc83xx_pcie_remap_cfg,
+ .read = pci_generic_config_read,
+ .write = mpc83xx_pcie_write_config,
+};
+
+static int __init mpc83xx_pcie_setup(struct pci_controller *hose,
+ struct resource *reg)
+{
+ struct mpc83xx_pcie_priv *pcie;
+ u32 cfg_bar;
+ int ret = -ENOMEM;
+
+ pcie = zalloc_maybe_bootmem(sizeof(*pcie), GFP_KERNEL);
+ if (!pcie)
+ return ret;
+
+ pcie->cfg_type0 = ioremap(reg->start, resource_size(reg));
+ if (!pcie->cfg_type0)
+ goto err0;
+
+ cfg_bar = in_le32(pcie->cfg_type0 + PEX_OUTWIN0_BAR);
+ if (!cfg_bar) {
+ /* PCI-E isn't configured. */
+ ret = -ENODEV;
+ goto err1;
+ }
+
+ pcie->cfg_type1 = ioremap(cfg_bar, 0x1000);
+ if (!pcie->cfg_type1)
+ goto err1;
+
+ WARN_ON(hose->dn->data);
+ hose->dn->data = pcie;
+ hose->ops = &mpc83xx_pcie_ops;
+ hose->indirect_type |= PPC_INDIRECT_TYPE_FSL_CFG_REG_LINK;
+
+ out_le32(pcie->cfg_type0 + PEX_OUTWIN0_TAH, 0);
+ out_le32(pcie->cfg_type0 + PEX_OUTWIN0_TAL, 0);
+
+ if (fsl_pcie_check_link(hose))
+ hose->indirect_type |= PPC_INDIRECT_TYPE_NO_PCIE_LINK;
+
+ return 0;
+err1:
+ iounmap(pcie->cfg_type0);
+err0:
+ kfree(pcie);
+ return ret;
+
+}
+
+int __init mpc83xx_add_bridge(struct device_node *dev)
+{
+ int ret;
+ int len;
+ struct pci_controller *hose;
+ struct resource rsrc_reg;
+ struct resource rsrc_cfg;
+ const int *bus_range;
+ int primary;
+
+ is_mpc83xx_pci = 1;
+
+ if (!of_device_is_available(dev)) {
+ pr_warn("%pOF: disabled by the firmware.\n",
+ dev);
+ return -ENODEV;
+ }
+ pr_debug("Adding PCI host bridge %pOF\n", dev);
+
+ /* Fetch host bridge registers address */
+ if (of_address_to_resource(dev, 0, &rsrc_reg)) {
+ printk(KERN_WARNING "Can't get pci register base!\n");
+ return -ENOMEM;
+ }
+
+ memset(&rsrc_cfg, 0, sizeof(rsrc_cfg));
+
+ if (of_address_to_resource(dev, 1, &rsrc_cfg)) {
+ printk(KERN_WARNING
+ "No pci config register base in dev tree, "
+ "using default\n");
+ /*
+ * MPC83xx supports up to two host controllers
+ * one at 0x8500 has config space registers at 0x8300
+ * one at 0x8600 has config space registers at 0x8380
+ */
+ if ((rsrc_reg.start & 0xfffff) == 0x8500)
+ rsrc_cfg.start = (rsrc_reg.start & 0xfff00000) + 0x8300;
+ else if ((rsrc_reg.start & 0xfffff) == 0x8600)
+ rsrc_cfg.start = (rsrc_reg.start & 0xfff00000) + 0x8380;
+ }
+ /*
+ * Controller at offset 0x8500 is primary
+ */
+ if ((rsrc_reg.start & 0xfffff) == 0x8500)
+ primary = 1;
+ else
+ primary = 0;
+
+ /* Get bus range if any */
+ bus_range = of_get_property(dev, "bus-range", &len);
+ if (bus_range == NULL || len < 2 * sizeof(int)) {
+ printk(KERN_WARNING "Can't get bus-range for %pOF, assume"
+ " bus 0\n", dev);
+ }
+
+ pci_add_flags(PCI_REASSIGN_ALL_BUS);
+ hose = pcibios_alloc_controller(dev);
+ if (!hose)
+ return -ENOMEM;
+
+ hose->first_busno = bus_range ? bus_range[0] : 0;
+ hose->last_busno = bus_range ? bus_range[1] : 0xff;
+
+ if (of_device_is_compatible(dev, "fsl,mpc8314-pcie")) {
+ ret = mpc83xx_pcie_setup(hose, &rsrc_reg);
+ if (ret)
+ goto err0;
+ } else {
+ setup_indirect_pci(hose, rsrc_cfg.start,
+ rsrc_cfg.start + 4, 0);
+ }
+
+ printk(KERN_INFO "Found FSL PCI host bridge at 0x%016llx. "
+ "Firmware bus number: %d->%d\n",
+ (unsigned long long)rsrc_reg.start, hose->first_busno,
+ hose->last_busno);
+
+ pr_debug(" ->Hose at 0x%p, cfg_addr=0x%p,cfg_data=0x%p\n",
+ hose, hose->cfg_addr, hose->cfg_data);
+
+ /* Interpret the "ranges" property */
+ /* This also maps the I/O region and sets isa_io/mem_base */
+ pci_process_bridge_OF_ranges(hose, dev, primary);
+
+ return 0;
+err0:
+ pcibios_free_controller(hose);
+ return ret;
+}
+#endif /* CONFIG_PPC_83xx */
+
+u64 fsl_pci_immrbar_base(struct pci_controller *hose)
+{
+#ifdef CONFIG_PPC_83xx
+ if (is_mpc83xx_pci) {
+ struct mpc83xx_pcie_priv *pcie = hose->dn->data;
+ struct pex_inbound_window *in;
+ int i;
+
+ /* Walk the Root Complex Inbound windows to match IMMR base */
+ in = pcie->cfg_type0 + PEX_RC_INWIN_BASE;
+ for (i = 0; i < 4; i++) {
+ /* not enabled, skip */
+ if (!(in_le32(&in[i].ar) & PEX_RCIWARn_EN))
+ continue;
+
+ if (get_immrbase() == in_le32(&in[i].tar))
+ return (u64)in_le32(&in[i].barh) << 32 |
+ in_le32(&in[i].barl);
+ }
+
+ printk(KERN_WARNING "could not find PCI BAR matching IMMR\n");
+ }
+#endif
+
+#if defined(CONFIG_FSL_SOC_BOOKE) || defined(CONFIG_PPC_86xx)
+ if (!is_mpc83xx_pci) {
+ u32 base;
+
+ pci_bus_read_config_dword(hose->bus,
+ PCI_DEVFN(0, 0), PCI_BASE_ADDRESS_0, &base);
+
+ /*
+ * For PEXCSRBAR, bit 3-0 indicate prefetchable and
+ * address type. So when getting base address, these
+ * bits should be masked
+ */
+ base &= PCI_BASE_ADDRESS_MEM_MASK;
+
+ return base;
+ }
+#endif
+
+ return 0;
+}
+
+#ifdef CONFIG_E500
+static int mcheck_handle_load(struct pt_regs *regs, u32 inst)
+{
+ unsigned int rd, ra, rb, d;
+
+ rd = get_rt(inst);
+ ra = get_ra(inst);
+ rb = get_rb(inst);
+ d = get_d(inst);
+
+ switch (get_op(inst)) {
+ case 31:
+ switch (get_xop(inst)) {
+ case OP_31_XOP_LWZX:
+ case OP_31_XOP_LWBRX:
+ regs->gpr[rd] = 0xffffffff;
+ break;
+
+ case OP_31_XOP_LWZUX:
+ regs->gpr[rd] = 0xffffffff;
+ regs->gpr[ra] += regs->gpr[rb];
+ break;
+
+ case OP_31_XOP_LBZX:
+ regs->gpr[rd] = 0xff;
+ break;
+
+ case OP_31_XOP_LBZUX:
+ regs->gpr[rd] = 0xff;
+ regs->gpr[ra] += regs->gpr[rb];
+ break;
+
+ case OP_31_XOP_LHZX:
+ case OP_31_XOP_LHBRX:
+ regs->gpr[rd] = 0xffff;
+ break;
+
+ case OP_31_XOP_LHZUX:
+ regs->gpr[rd] = 0xffff;
+ regs->gpr[ra] += regs->gpr[rb];
+ break;
+
+ case OP_31_XOP_LHAX:
+ regs->gpr[rd] = ~0UL;
+ break;
+
+ case OP_31_XOP_LHAUX:
+ regs->gpr[rd] = ~0UL;
+ regs->gpr[ra] += regs->gpr[rb];
+ break;
+
+ default:
+ return 0;
+ }
+ break;
+
+ case OP_LWZ:
+ regs->gpr[rd] = 0xffffffff;
+ break;
+
+ case OP_LWZU:
+ regs->gpr[rd] = 0xffffffff;
+ regs->gpr[ra] += (s16)d;
+ break;
+
+ case OP_LBZ:
+ regs->gpr[rd] = 0xff;
+ break;
+
+ case OP_LBZU:
+ regs->gpr[rd] = 0xff;
+ regs->gpr[ra] += (s16)d;
+ break;
+
+ case OP_LHZ:
+ regs->gpr[rd] = 0xffff;
+ break;
+
+ case OP_LHZU:
+ regs->gpr[rd] = 0xffff;
+ regs->gpr[ra] += (s16)d;
+ break;
+
+ case OP_LHA:
+ regs->gpr[rd] = ~0UL;
+ break;
+
+ case OP_LHAU:
+ regs->gpr[rd] = ~0UL;
+ regs->gpr[ra] += (s16)d;
+ break;
+
+ default:
+ return 0;
+ }
+
+ return 1;
+}
+
+static int is_in_pci_mem_space(phys_addr_t addr)
+{
+ struct pci_controller *hose;
+ struct resource *res;
+ int i;
+
+ list_for_each_entry(hose, &hose_list, list_node) {
+ if (!(hose->indirect_type & PPC_INDIRECT_TYPE_EXT_REG))
+ continue;
+
+ for (i = 0; i < 3; i++) {
+ res = &hose->mem_resources[i];
+ if ((res->flags & IORESOURCE_MEM) &&
+ addr >= res->start && addr <= res->end)
+ return 1;
+ }
+ }
+ return 0;
+}
+
+int fsl_pci_mcheck_exception(struct pt_regs *regs)
+{
+ u32 inst;
+ int ret;
+ phys_addr_t addr = 0;
+
+ /* Let KVM/QEMU deal with the exception */
+ if (regs->msr & MSR_GS)
+ return 0;
+
+#ifdef CONFIG_PHYS_64BIT
+ addr = mfspr(SPRN_MCARU);
+ addr <<= 32;
+#endif
+ addr += mfspr(SPRN_MCAR);
+
+ if (is_in_pci_mem_space(addr)) {
+ if (user_mode(regs)) {
+ pagefault_disable();
+ ret = get_user(inst, (__u32 __user *)regs->nip);
+ pagefault_enable();
+ } else {
+ ret = probe_kernel_address((void *)regs->nip, inst);
+ }
+
+ if (!ret && mcheck_handle_load(regs, inst)) {
+ regs->nip += 4;
+ return 1;
+ }
+ }
+
+ return 0;
+}
+#endif
+
+#if defined(CONFIG_FSL_SOC_BOOKE) || defined(CONFIG_PPC_86xx)
+static const struct of_device_id pci_ids[] = {
+ { .compatible = "fsl,mpc8540-pci", },
+ { .compatible = "fsl,mpc8548-pcie", },
+ { .compatible = "fsl,mpc8610-pci", },
+ { .compatible = "fsl,mpc8641-pcie", },
+ { .compatible = "fsl,qoriq-pcie", },
+ { .compatible = "fsl,qoriq-pcie-v2.1", },
+ { .compatible = "fsl,qoriq-pcie-v2.2", },
+ { .compatible = "fsl,qoriq-pcie-v2.3", },
+ { .compatible = "fsl,qoriq-pcie-v2.4", },
+ { .compatible = "fsl,qoriq-pcie-v3.0", },
+
+ /*
+ * The following entries are for compatibility with older device
+ * trees.
+ */
+ { .compatible = "fsl,p1022-pcie", },
+ { .compatible = "fsl,p4080-pcie", },
+
+ {},
+};
+
+struct device_node *fsl_pci_primary;
+
+void fsl_pci_assign_primary(void)
+{
+ struct device_node *np;
+
+ /* Callers can specify the primary bus using other means. */
+ if (fsl_pci_primary)
+ return;
+
+ /* If a PCI host bridge contains an ISA node, it's primary. */
+ np = of_find_node_by_type(NULL, "isa");
+ while ((fsl_pci_primary = of_get_parent(np))) {
+ of_node_put(np);
+ np = fsl_pci_primary;
+
+ if (of_match_node(pci_ids, np) && of_device_is_available(np))
+ return;
+ }
+
+ /*
+ * If there's no PCI host bridge with ISA, arbitrarily
+ * designate one as primary. This can go away once
+ * various bugs with primary-less systems are fixed.
+ */
+ for_each_matching_node(np, pci_ids) {
+ if (of_device_is_available(np)) {
+ fsl_pci_primary = np;
+ of_node_put(np);
+ return;
+ }
+ }
+}
+
+#ifdef CONFIG_PM_SLEEP
+static irqreturn_t fsl_pci_pme_handle(int irq, void *dev_id)
+{
+ struct pci_controller *hose = dev_id;
+ struct ccsr_pci __iomem *pci = hose->private_data;
+ u32 dr;
+
+ dr = in_be32(&pci->pex_pme_mes_dr);
+ if (!dr)
+ return IRQ_NONE;
+
+ out_be32(&pci->pex_pme_mes_dr, dr);
+
+ return IRQ_HANDLED;
+}
+
+static int fsl_pci_pme_probe(struct pci_controller *hose)
+{
+ struct ccsr_pci __iomem *pci;
+ struct pci_dev *dev;
+ int pme_irq;
+ int res;
+ u16 pms;
+
+ /* Get hose's pci_dev */
+ dev = list_first_entry(&hose->bus->devices, typeof(*dev), bus_list);
+
+ /* PME Disable */
+ pci_read_config_word(dev, dev->pm_cap + PCI_PM_CTRL, &pms);
+ pms &= ~PCI_PM_CTRL_PME_ENABLE;
+ pci_write_config_word(dev, dev->pm_cap + PCI_PM_CTRL, pms);
+
+ pme_irq = irq_of_parse_and_map(hose->dn, 0);
+ if (!pme_irq) {
+ dev_err(&dev->dev, "Failed to map PME interrupt.\n");
+
+ return -ENXIO;
+ }
+
+ res = devm_request_irq(hose->parent, pme_irq,
+ fsl_pci_pme_handle,
+ IRQF_SHARED,
+ "[PCI] PME", hose);
+ if (res < 0) {
+ dev_err(&dev->dev, "Unable to request irq %d for PME\n", pme_irq);
+ irq_dispose_mapping(pme_irq);
+
+ return -ENODEV;
+ }
+
+ pci = hose->private_data;
+
+ /* Enable PTOD, ENL23D & EXL23D */
+ clrbits32(&pci->pex_pme_mes_disr,
+ PME_DISR_EN_PTOD | PME_DISR_EN_ENL23D | PME_DISR_EN_EXL23D);
+
+ out_be32(&pci->pex_pme_mes_ier, 0);
+ setbits32(&pci->pex_pme_mes_ier,
+ PME_DISR_EN_PTOD | PME_DISR_EN_ENL23D | PME_DISR_EN_EXL23D);
+
+ /* PME Enable */
+ pci_read_config_word(dev, dev->pm_cap + PCI_PM_CTRL, &pms);
+ pms |= PCI_PM_CTRL_PME_ENABLE;
+ pci_write_config_word(dev, dev->pm_cap + PCI_PM_CTRL, pms);
+
+ return 0;
+}
+
+static void send_pme_turnoff_message(struct pci_controller *hose)
+{
+ struct ccsr_pci __iomem *pci = hose->private_data;
+ u32 dr;
+ int i;
+
+ /* Send PME_Turn_Off Message Request */
+ setbits32(&pci->pex_pmcr, PEX_PMCR_PTOMR);
+
+ /* Wait trun off done */
+ for (i = 0; i < 150; i++) {
+ dr = in_be32(&pci->pex_pme_mes_dr);
+ if (dr) {
+ out_be32(&pci->pex_pme_mes_dr, dr);
+ break;
+ }
+
+ udelay(1000);
+ }
+}
+
+static void fsl_pci_syscore_do_suspend(struct pci_controller *hose)
+{
+ send_pme_turnoff_message(hose);
+}
+
+static int fsl_pci_syscore_suspend(void)
+{
+ struct pci_controller *hose, *tmp;
+
+ list_for_each_entry_safe(hose, tmp, &hose_list, list_node)
+ fsl_pci_syscore_do_suspend(hose);
+
+ return 0;
+}
+
+static void fsl_pci_syscore_do_resume(struct pci_controller *hose)
+{
+ struct ccsr_pci __iomem *pci = hose->private_data;
+ u32 dr;
+ int i;
+
+ /* Send Exit L2 State Message */
+ setbits32(&pci->pex_pmcr, PEX_PMCR_EXL2S);
+
+ /* Wait exit done */
+ for (i = 0; i < 150; i++) {
+ dr = in_be32(&pci->pex_pme_mes_dr);
+ if (dr) {
+ out_be32(&pci->pex_pme_mes_dr, dr);
+ break;
+ }
+
+ udelay(1000);
+ }
+
+ setup_pci_atmu(hose);
+}
+
+static void fsl_pci_syscore_resume(void)
+{
+ struct pci_controller *hose, *tmp;
+
+ list_for_each_entry_safe(hose, tmp, &hose_list, list_node)
+ fsl_pci_syscore_do_resume(hose);
+}
+
+static struct syscore_ops pci_syscore_pm_ops = {
+ .suspend = fsl_pci_syscore_suspend,
+ .resume = fsl_pci_syscore_resume,
+};
+#endif
+
+void fsl_pcibios_fixup_phb(struct pci_controller *phb)
+{
+#ifdef CONFIG_PM_SLEEP
+ fsl_pci_pme_probe(phb);
+#endif
+}
+
+static int add_err_dev(struct platform_device *pdev)
+{
+ struct platform_device *errdev;
+ struct mpc85xx_edac_pci_plat_data pd = {
+ .of_node = pdev->dev.of_node
+ };
+
+ errdev = platform_device_register_resndata(&pdev->dev,
+ "mpc85xx-pci-edac",
+ PLATFORM_DEVID_AUTO,
+ pdev->resource,
+ pdev->num_resources,
+ &pd, sizeof(pd));
+
+ return PTR_ERR_OR_ZERO(errdev);
+}
+
+static int fsl_pci_probe(struct platform_device *pdev)
+{
+ struct device_node *node;
+ int ret;
+
+ node = pdev->dev.of_node;
+ ret = fsl_add_bridge(pdev, fsl_pci_primary == node);
+ if (ret)
+ return ret;
+
+ ret = add_err_dev(pdev);
+ if (ret)
+ dev_err(&pdev->dev, "couldn't register error device: %d\n",
+ ret);
+
+ return 0;
+}
+
+static struct platform_driver fsl_pci_driver = {
+ .driver = {
+ .name = "fsl-pci",
+ .of_match_table = pci_ids,
+ },
+ .probe = fsl_pci_probe,
+};
+
+static int __init fsl_pci_init(void)
+{
+#ifdef CONFIG_PM_SLEEP
+ register_syscore_ops(&pci_syscore_pm_ops);
+#endif
+ return platform_driver_register(&fsl_pci_driver);
+}
+arch_initcall(fsl_pci_init);
+#endif