summaryrefslogtreecommitdiffstats
path: root/arch/mips/pci/ops-tx4927.c
diff options
context:
space:
mode:
authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-11 08:27:49 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-11 08:27:49 +0000
commitace9429bb58fd418f0c81d4c2835699bddf6bde6 (patch)
treeb2d64bc10158fdd5497876388cd68142ca374ed3 /arch/mips/pci/ops-tx4927.c
parentInitial commit. (diff)
downloadlinux-ace9429bb58fd418f0c81d4c2835699bddf6bde6.tar.xz
linux-ace9429bb58fd418f0c81d4c2835699bddf6bde6.zip
Adding upstream version 6.6.15.upstream/6.6.15
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'arch/mips/pci/ops-tx4927.c')
-rw-r--r--arch/mips/pci/ops-tx4927.c524
1 files changed, 524 insertions, 0 deletions
diff --git a/arch/mips/pci/ops-tx4927.c b/arch/mips/pci/ops-tx4927.c
new file mode 100644
index 0000000000..f7802f1004
--- /dev/null
+++ b/arch/mips/pci/ops-tx4927.c
@@ -0,0 +1,524 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ * Define the pci_ops for the PCIC on Toshiba TX4927, TX4938, etc.
+ *
+ * Based on linux/arch/mips/pci/ops-tx4938.c,
+ * linux/arch/mips/pci/fixup-rbtx4938.c,
+ * linux/arch/mips/txx9/rbtx4938/setup.c,
+ * and RBTX49xx patch from CELF patch archive.
+ *
+ * 2003-2005 (c) MontaVista Software, Inc.
+ * Copyright (C) 2004 by Ralf Baechle (ralf@linux-mips.org)
+ * (C) Copyright TOSHIBA CORPORATION 2000-2001, 2004-2007
+ */
+#include <linux/kernel.h>
+#include <linux/interrupt.h>
+#include <linux/irq.h>
+#include <asm/txx9/pci.h>
+#include <asm/txx9/tx4927pcic.h>
+
+static struct {
+ struct pci_controller *channel;
+ struct tx4927_pcic_reg __iomem *pcicptr;
+} pcicptrs[2]; /* TX4938 has 2 pcic */
+
+static void __init set_tx4927_pcicptr(struct pci_controller *channel,
+ struct tx4927_pcic_reg __iomem *pcicptr)
+{
+ int i;
+
+ for (i = 0; i < ARRAY_SIZE(pcicptrs); i++) {
+ if (pcicptrs[i].channel == channel) {
+ pcicptrs[i].pcicptr = pcicptr;
+ return;
+ }
+ }
+ for (i = 0; i < ARRAY_SIZE(pcicptrs); i++) {
+ if (!pcicptrs[i].channel) {
+ pcicptrs[i].channel = channel;
+ pcicptrs[i].pcicptr = pcicptr;
+ return;
+ }
+ }
+ BUG();
+}
+
+struct tx4927_pcic_reg __iomem *get_tx4927_pcicptr(
+ struct pci_controller *channel)
+{
+ int i;
+
+ for (i = 0; i < ARRAY_SIZE(pcicptrs); i++) {
+ if (pcicptrs[i].channel == channel)
+ return pcicptrs[i].pcicptr;
+ }
+ return NULL;
+}
+
+static int mkaddr(struct pci_bus *bus, unsigned int devfn, int where,
+ struct tx4927_pcic_reg __iomem *pcicptr)
+{
+ if (bus->parent == NULL &&
+ devfn >= PCI_DEVFN(TX4927_PCIC_MAX_DEVNU, 0))
+ return -1;
+ __raw_writel(((bus->number & 0xff) << 0x10)
+ | ((devfn & 0xff) << 0x08) | (where & 0xfc)
+ | (bus->parent ? 1 : 0),
+ &pcicptr->g2pcfgadrs);
+ /* clear M_ABORT and Disable M_ABORT Int. */
+ __raw_writel((__raw_readl(&pcicptr->pcistatus) & 0x0000ffff)
+ | (PCI_STATUS_REC_MASTER_ABORT << 16),
+ &pcicptr->pcistatus);
+ return 0;
+}
+
+static int check_abort(struct tx4927_pcic_reg __iomem *pcicptr)
+{
+ int code = PCIBIOS_SUCCESSFUL;
+
+ /* wait write cycle completion before checking error status */
+ while (__raw_readl(&pcicptr->pcicstatus) & TX4927_PCIC_PCICSTATUS_IWB)
+ ;
+ if (__raw_readl(&pcicptr->pcistatus)
+ & (PCI_STATUS_REC_MASTER_ABORT << 16)) {
+ __raw_writel((__raw_readl(&pcicptr->pcistatus) & 0x0000ffff)
+ | (PCI_STATUS_REC_MASTER_ABORT << 16),
+ &pcicptr->pcistatus);
+ /* flush write buffer */
+ iob();
+ code = PCIBIOS_DEVICE_NOT_FOUND;
+ }
+ return code;
+}
+
+static u8 icd_readb(int offset, struct tx4927_pcic_reg __iomem *pcicptr)
+{
+#ifdef __BIG_ENDIAN
+ offset ^= 3;
+#endif
+ return __raw_readb((void __iomem *)&pcicptr->g2pcfgdata + offset);
+}
+static u16 icd_readw(int offset, struct tx4927_pcic_reg __iomem *pcicptr)
+{
+#ifdef __BIG_ENDIAN
+ offset ^= 2;
+#endif
+ return __raw_readw((void __iomem *)&pcicptr->g2pcfgdata + offset);
+}
+static u32 icd_readl(struct tx4927_pcic_reg __iomem *pcicptr)
+{
+ return __raw_readl(&pcicptr->g2pcfgdata);
+}
+static void icd_writeb(u8 val, int offset,
+ struct tx4927_pcic_reg __iomem *pcicptr)
+{
+#ifdef __BIG_ENDIAN
+ offset ^= 3;
+#endif
+ __raw_writeb(val, (void __iomem *)&pcicptr->g2pcfgdata + offset);
+}
+static void icd_writew(u16 val, int offset,
+ struct tx4927_pcic_reg __iomem *pcicptr)
+{
+#ifdef __BIG_ENDIAN
+ offset ^= 2;
+#endif
+ __raw_writew(val, (void __iomem *)&pcicptr->g2pcfgdata + offset);
+}
+static void icd_writel(u32 val, struct tx4927_pcic_reg __iomem *pcicptr)
+{
+ __raw_writel(val, &pcicptr->g2pcfgdata);
+}
+
+static struct tx4927_pcic_reg __iomem *pci_bus_to_pcicptr(struct pci_bus *bus)
+{
+ struct pci_controller *channel = bus->sysdata;
+ return get_tx4927_pcicptr(channel);
+}
+
+static int tx4927_pci_config_read(struct pci_bus *bus, unsigned int devfn,
+ int where, int size, u32 *val)
+{
+ struct tx4927_pcic_reg __iomem *pcicptr = pci_bus_to_pcicptr(bus);
+
+ if (mkaddr(bus, devfn, where, pcicptr)) {
+ *val = 0xffffffff;
+ return -1;
+ }
+ switch (size) {
+ case 1:
+ *val = icd_readb(where & 3, pcicptr);
+ break;
+ case 2:
+ *val = icd_readw(where & 3, pcicptr);
+ break;
+ default:
+ *val = icd_readl(pcicptr);
+ }
+ return check_abort(pcicptr);
+}
+
+static int tx4927_pci_config_write(struct pci_bus *bus, unsigned int devfn,
+ int where, int size, u32 val)
+{
+ struct tx4927_pcic_reg __iomem *pcicptr = pci_bus_to_pcicptr(bus);
+
+ if (mkaddr(bus, devfn, where, pcicptr))
+ return -1;
+ switch (size) {
+ case 1:
+ icd_writeb(val, where & 3, pcicptr);
+ break;
+ case 2:
+ icd_writew(val, where & 3, pcicptr);
+ break;
+ default:
+ icd_writel(val, pcicptr);
+ }
+ return check_abort(pcicptr);
+}
+
+static struct pci_ops tx4927_pci_ops = {
+ .read = tx4927_pci_config_read,
+ .write = tx4927_pci_config_write,
+};
+
+static struct {
+ u8 trdyto;
+ u8 retryto;
+ u16 gbwc;
+} tx4927_pci_opts = {
+ .trdyto = 0,
+ .retryto = 0,
+ .gbwc = 0xfe0, /* 4064 GBUSCLK for CCFG.GTOT=0b11 */
+};
+
+char *tx4927_pcibios_setup(char *str)
+{
+ if (!strncmp(str, "trdyto=", 7)) {
+ u8 val = 0;
+ if (kstrtou8(str + 7, 0, &val) == 0)
+ tx4927_pci_opts.trdyto = val;
+ return NULL;
+ }
+ if (!strncmp(str, "retryto=", 8)) {
+ u8 val = 0;
+ if (kstrtou8(str + 8, 0, &val) == 0)
+ tx4927_pci_opts.retryto = val;
+ return NULL;
+ }
+ if (!strncmp(str, "gbwc=", 5)) {
+ u16 val;
+ if (kstrtou16(str + 5, 0, &val) == 0)
+ tx4927_pci_opts.gbwc = val;
+ return NULL;
+ }
+ return str;
+}
+
+void __init tx4927_pcic_setup(struct tx4927_pcic_reg __iomem *pcicptr,
+ struct pci_controller *channel, int extarb)
+{
+ int i;
+ unsigned long flags;
+
+ set_tx4927_pcicptr(channel, pcicptr);
+
+ if (!channel->pci_ops)
+ printk(KERN_INFO
+ "PCIC -- DID:%04x VID:%04x RID:%02x Arbiter:%s\n",
+ __raw_readl(&pcicptr->pciid) >> 16,
+ __raw_readl(&pcicptr->pciid) & 0xffff,
+ __raw_readl(&pcicptr->pciccrev) & 0xff,
+ extarb ? "External" : "Internal");
+ channel->pci_ops = &tx4927_pci_ops;
+
+ local_irq_save(flags);
+
+ /* Disable All Initiator Space */
+ __raw_writel(__raw_readl(&pcicptr->pciccfg)
+ & ~(TX4927_PCIC_PCICCFG_G2PMEN(0)
+ | TX4927_PCIC_PCICCFG_G2PMEN(1)
+ | TX4927_PCIC_PCICCFG_G2PMEN(2)
+ | TX4927_PCIC_PCICCFG_G2PIOEN),
+ &pcicptr->pciccfg);
+
+ /* GB->PCI mappings */
+ __raw_writel((channel->io_resource->end - channel->io_resource->start)
+ >> 4,
+ &pcicptr->g2piomask);
+ ____raw_writeq((channel->io_resource->start +
+ channel->io_map_base - IO_BASE) |
+#ifdef __BIG_ENDIAN
+ TX4927_PCIC_G2PIOGBASE_ECHG
+#else
+ TX4927_PCIC_G2PIOGBASE_BSDIS
+#endif
+ , &pcicptr->g2piogbase);
+ ____raw_writeq(channel->io_resource->start - channel->io_offset,
+ &pcicptr->g2piopbase);
+ for (i = 0; i < 3; i++) {
+ __raw_writel(0, &pcicptr->g2pmmask[i]);
+ ____raw_writeq(0, &pcicptr->g2pmgbase[i]);
+ ____raw_writeq(0, &pcicptr->g2pmpbase[i]);
+ }
+ if (channel->mem_resource->end) {
+ __raw_writel((channel->mem_resource->end
+ - channel->mem_resource->start) >> 4,
+ &pcicptr->g2pmmask[0]);
+ ____raw_writeq(channel->mem_resource->start |
+#ifdef __BIG_ENDIAN
+ TX4927_PCIC_G2PMnGBASE_ECHG
+#else
+ TX4927_PCIC_G2PMnGBASE_BSDIS
+#endif
+ , &pcicptr->g2pmgbase[0]);
+ ____raw_writeq(channel->mem_resource->start -
+ channel->mem_offset,
+ &pcicptr->g2pmpbase[0]);
+ }
+ /* PCI->GB mappings (I/O 256B) */
+ __raw_writel(0, &pcicptr->p2giopbase); /* 256B */
+ ____raw_writeq(0, &pcicptr->p2giogbase);
+ /* PCI->GB mappings (MEM 512MB (64MB on R1.x)) */
+ __raw_writel(0, &pcicptr->p2gm0plbase);
+ __raw_writel(0, &pcicptr->p2gm0pubase);
+ ____raw_writeq(TX4927_PCIC_P2GMnGBASE_TMEMEN |
+#ifdef __BIG_ENDIAN
+ TX4927_PCIC_P2GMnGBASE_TECHG
+#else
+ TX4927_PCIC_P2GMnGBASE_TBSDIS
+#endif
+ , &pcicptr->p2gmgbase[0]);
+ /* PCI->GB mappings (MEM 16MB) */
+ __raw_writel(0xffffffff, &pcicptr->p2gm1plbase);
+ __raw_writel(0xffffffff, &pcicptr->p2gm1pubase);
+ ____raw_writeq(0, &pcicptr->p2gmgbase[1]);
+ /* PCI->GB mappings (MEM 1MB) */
+ __raw_writel(0xffffffff, &pcicptr->p2gm2pbase); /* 1MB */
+ ____raw_writeq(0, &pcicptr->p2gmgbase[2]);
+
+ /* Clear all (including IRBER) except for GBWC */
+ __raw_writel((tx4927_pci_opts.gbwc << 16)
+ & TX4927_PCIC_PCICCFG_GBWC_MASK,
+ &pcicptr->pciccfg);
+ /* Enable Initiator Memory Space */
+ if (channel->mem_resource->end)
+ __raw_writel(__raw_readl(&pcicptr->pciccfg)
+ | TX4927_PCIC_PCICCFG_G2PMEN(0),
+ &pcicptr->pciccfg);
+ /* Enable Initiator I/O Space */
+ if (channel->io_resource->end)
+ __raw_writel(__raw_readl(&pcicptr->pciccfg)
+ | TX4927_PCIC_PCICCFG_G2PIOEN,
+ &pcicptr->pciccfg);
+ /* Enable Initiator Config */
+ __raw_writel(__raw_readl(&pcicptr->pciccfg)
+ | TX4927_PCIC_PCICCFG_ICAEN | TX4927_PCIC_PCICCFG_TCAR,
+ &pcicptr->pciccfg);
+
+ /* Do not use MEMMUL, MEMINF: YMFPCI card causes M_ABORT. */
+ __raw_writel(0, &pcicptr->pcicfg1);
+
+ __raw_writel((__raw_readl(&pcicptr->g2ptocnt) & ~0xffff)
+ | (tx4927_pci_opts.trdyto & 0xff)
+ | ((tx4927_pci_opts.retryto & 0xff) << 8),
+ &pcicptr->g2ptocnt);
+
+ /* Clear All Local Bus Status */
+ __raw_writel(TX4927_PCIC_PCICSTATUS_ALL, &pcicptr->pcicstatus);
+ /* Enable All Local Bus Interrupts */
+ __raw_writel(TX4927_PCIC_PCICSTATUS_ALL, &pcicptr->pcicmask);
+ /* Clear All Initiator Status */
+ __raw_writel(TX4927_PCIC_G2PSTATUS_ALL, &pcicptr->g2pstatus);
+ /* Enable All Initiator Interrupts */
+ __raw_writel(TX4927_PCIC_G2PSTATUS_ALL, &pcicptr->g2pmask);
+ /* Clear All PCI Status Error */
+ __raw_writel((__raw_readl(&pcicptr->pcistatus) & 0x0000ffff)
+ | (TX4927_PCIC_PCISTATUS_ALL << 16),
+ &pcicptr->pcistatus);
+ /* Enable All PCI Status Error Interrupts */
+ __raw_writel(TX4927_PCIC_PCISTATUS_ALL, &pcicptr->pcimask);
+
+ if (!extarb) {
+ /* Reset Bus Arbiter */
+ __raw_writel(TX4927_PCIC_PBACFG_RPBA, &pcicptr->pbacfg);
+ __raw_writel(0, &pcicptr->pbabm);
+ /* Enable Bus Arbiter */
+ __raw_writel(TX4927_PCIC_PBACFG_PBAEN, &pcicptr->pbacfg);
+ }
+
+ __raw_writel(PCI_COMMAND_MASTER | PCI_COMMAND_MEMORY
+ | PCI_COMMAND_PARITY | PCI_COMMAND_SERR,
+ &pcicptr->pcistatus);
+ local_irq_restore(flags);
+
+ printk(KERN_DEBUG
+ "PCI: COMMAND=%04x,PCIMASK=%04x,"
+ "TRDYTO=%02x,RETRYTO=%02x,GBWC=%03x\n",
+ __raw_readl(&pcicptr->pcistatus) & 0xffff,
+ __raw_readl(&pcicptr->pcimask) & 0xffff,
+ __raw_readl(&pcicptr->g2ptocnt) & 0xff,
+ (__raw_readl(&pcicptr->g2ptocnt) & 0xff00) >> 8,
+ (__raw_readl(&pcicptr->pciccfg) >> 16) & 0xfff);
+}
+
+static void tx4927_report_pcic_status1(struct tx4927_pcic_reg __iomem *pcicptr)
+{
+ __u16 pcistatus = (__u16)(__raw_readl(&pcicptr->pcistatus) >> 16);
+ __u32 g2pstatus = __raw_readl(&pcicptr->g2pstatus);
+ __u32 pcicstatus = __raw_readl(&pcicptr->pcicstatus);
+ static struct {
+ __u32 flag;
+ const char *str;
+ } pcistat_tbl[] = {
+ { PCI_STATUS_DETECTED_PARITY, "DetectedParityError" },
+ { PCI_STATUS_SIG_SYSTEM_ERROR, "SignaledSystemError" },
+ { PCI_STATUS_REC_MASTER_ABORT, "ReceivedMasterAbort" },
+ { PCI_STATUS_REC_TARGET_ABORT, "ReceivedTargetAbort" },
+ { PCI_STATUS_SIG_TARGET_ABORT, "SignaledTargetAbort" },
+ { PCI_STATUS_PARITY, "MasterParityError" },
+ }, g2pstat_tbl[] = {
+ { TX4927_PCIC_G2PSTATUS_TTOE, "TIOE" },
+ { TX4927_PCIC_G2PSTATUS_RTOE, "RTOE" },
+ }, pcicstat_tbl[] = {
+ { TX4927_PCIC_PCICSTATUS_PME, "PME" },
+ { TX4927_PCIC_PCICSTATUS_TLB, "TLB" },
+ { TX4927_PCIC_PCICSTATUS_NIB, "NIB" },
+ { TX4927_PCIC_PCICSTATUS_ZIB, "ZIB" },
+ { TX4927_PCIC_PCICSTATUS_PERR, "PERR" },
+ { TX4927_PCIC_PCICSTATUS_SERR, "SERR" },
+ { TX4927_PCIC_PCICSTATUS_GBE, "GBE" },
+ { TX4927_PCIC_PCICSTATUS_IWB, "IWB" },
+ };
+ int i, cont;
+
+ printk(KERN_ERR "");
+ if (pcistatus & TX4927_PCIC_PCISTATUS_ALL) {
+ printk(KERN_CONT "pcistat:%04x(", pcistatus);
+ for (i = 0, cont = 0; i < ARRAY_SIZE(pcistat_tbl); i++)
+ if (pcistatus & pcistat_tbl[i].flag)
+ printk(KERN_CONT "%s%s",
+ cont++ ? " " : "", pcistat_tbl[i].str);
+ printk(KERN_CONT ") ");
+ }
+ if (g2pstatus & TX4927_PCIC_G2PSTATUS_ALL) {
+ printk(KERN_CONT "g2pstatus:%08x(", g2pstatus);
+ for (i = 0, cont = 0; i < ARRAY_SIZE(g2pstat_tbl); i++)
+ if (g2pstatus & g2pstat_tbl[i].flag)
+ printk(KERN_CONT "%s%s",
+ cont++ ? " " : "", g2pstat_tbl[i].str);
+ printk(KERN_CONT ") ");
+ }
+ if (pcicstatus & TX4927_PCIC_PCICSTATUS_ALL) {
+ printk(KERN_CONT "pcicstatus:%08x(", pcicstatus);
+ for (i = 0, cont = 0; i < ARRAY_SIZE(pcicstat_tbl); i++)
+ if (pcicstatus & pcicstat_tbl[i].flag)
+ printk(KERN_CONT "%s%s",
+ cont++ ? " " : "", pcicstat_tbl[i].str);
+ printk(KERN_CONT ")");
+ }
+ printk(KERN_CONT "\n");
+}
+
+void tx4927_report_pcic_status(void)
+{
+ int i;
+
+ for (i = 0; i < ARRAY_SIZE(pcicptrs); i++) {
+ if (pcicptrs[i].pcicptr)
+ tx4927_report_pcic_status1(pcicptrs[i].pcicptr);
+ }
+}
+
+static void tx4927_dump_pcic_settings1(struct tx4927_pcic_reg __iomem *pcicptr)
+{
+ int i;
+ __u32 __iomem *preg = (__u32 __iomem *)pcicptr;
+
+ printk(KERN_INFO "tx4927 pcic (0x%p) settings:", pcicptr);
+ for (i = 0; i < sizeof(struct tx4927_pcic_reg); i += 4, preg++) {
+ if (i % 32 == 0) {
+ printk(KERN_CONT "\n");
+ printk(KERN_INFO "%04x:", i);
+ }
+ /* skip registers with side-effects */
+ if (i == offsetof(struct tx4927_pcic_reg, g2pintack)
+ || i == offsetof(struct tx4927_pcic_reg, g2pspc)
+ || i == offsetof(struct tx4927_pcic_reg, g2pcfgadrs)
+ || i == offsetof(struct tx4927_pcic_reg, g2pcfgdata)) {
+ printk(KERN_CONT " XXXXXXXX");
+ continue;
+ }
+ printk(KERN_CONT " %08x", __raw_readl(preg));
+ }
+ printk(KERN_CONT "\n");
+}
+
+void tx4927_dump_pcic_settings(void)
+{
+ int i;
+
+ for (i = 0; i < ARRAY_SIZE(pcicptrs); i++) {
+ if (pcicptrs[i].pcicptr)
+ tx4927_dump_pcic_settings1(pcicptrs[i].pcicptr);
+ }
+}
+
+irqreturn_t tx4927_pcierr_interrupt(int irq, void *dev_id)
+{
+ struct pt_regs *regs = get_irq_regs();
+ struct tx4927_pcic_reg __iomem *pcicptr =
+ (struct tx4927_pcic_reg __iomem *)(unsigned long)dev_id;
+
+ if (txx9_pci_err_action != TXX9_PCI_ERR_IGNORE) {
+ printk(KERN_WARNING "PCIERR interrupt at 0x%0*lx\n",
+ (int)(2 * sizeof(unsigned long)), regs->cp0_epc);
+ tx4927_report_pcic_status1(pcicptr);
+ }
+ if (txx9_pci_err_action != TXX9_PCI_ERR_PANIC) {
+ /* clear all pci errors */
+ __raw_writel((__raw_readl(&pcicptr->pcistatus) & 0x0000ffff)
+ | (TX4927_PCIC_PCISTATUS_ALL << 16),
+ &pcicptr->pcistatus);
+ __raw_writel(TX4927_PCIC_G2PSTATUS_ALL, &pcicptr->g2pstatus);
+ __raw_writel(TX4927_PCIC_PBASTATUS_ALL, &pcicptr->pbastatus);
+ __raw_writel(TX4927_PCIC_PCICSTATUS_ALL, &pcicptr->pcicstatus);
+ return IRQ_HANDLED;
+ }
+ console_verbose();
+ tx4927_dump_pcic_settings1(pcicptr);
+ panic("PCI error.");
+}
+
+#ifdef CONFIG_TOSHIBA_FPCIB0
+static void tx4927_quirk_slc90e66_bridge(struct pci_dev *dev)
+{
+ struct tx4927_pcic_reg __iomem *pcicptr = pci_bus_to_pcicptr(dev->bus);
+
+ if (!pcicptr)
+ return;
+ if (__raw_readl(&pcicptr->pbacfg) & TX4927_PCIC_PBACFG_PBAEN) {
+ /* Reset Bus Arbiter */
+ __raw_writel(TX4927_PCIC_PBACFG_RPBA, &pcicptr->pbacfg);
+ /*
+ * swap reqBP and reqXP (raise priority of SLC90E66).
+ * SLC90E66(PCI-ISA bridge) is connected to REQ2 on
+ * PCI Backplane board.
+ */
+ __raw_writel(0x72543610, &pcicptr->pbareqport);
+ __raw_writel(0, &pcicptr->pbabm);
+ /* Use Fixed ParkMaster (required by SLC90E66) */
+ __raw_writel(TX4927_PCIC_PBACFG_FIXPA, &pcicptr->pbacfg);
+ /* Enable Bus Arbiter */
+ __raw_writel(TX4927_PCIC_PBACFG_FIXPA |
+ TX4927_PCIC_PBACFG_PBAEN,
+ &pcicptr->pbacfg);
+ printk(KERN_INFO "PCI: Use Fixed Park Master (REQPORT %08x)\n",
+ __raw_readl(&pcicptr->pbareqport));
+ }
+}
+#define PCI_DEVICE_ID_EFAR_SLC90E66_0 0x9460
+DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_EFAR, PCI_DEVICE_ID_EFAR_SLC90E66_0,
+ tx4927_quirk_slc90e66_bridge);
+#endif