--- /dev/null
+/*
+ * Support PCI IO workaround
+ *
+ * (C) Copyright 2007-2008 TOSHIBA CORPORATION
+ *
+ * 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.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ */
+
+#ifndef _IO_WORKAROUNDS_H
+#define _IO_WORKAROUNDS_H
+
+#include <linux/io.h>
+#include <asm/pci-bridge.h>
+
+/* Bus info */
+struct iowa_bus {
+ struct pci_controller *phb;
+ struct ppc_pci_io *ops;
+ void *private;
+};
+
+void __devinit io_workaround_init(void);
+void __devinit iowa_register_bus(struct pci_controller *, struct ppc_pci_io *,
+ int (*)(struct iowa_bus *, void *), void *);
+struct iowa_bus *iowa_mem_find_bus(const PCI_IO_ADDR);
+struct iowa_bus *iowa_pio_find_bus(unsigned long);
+
+extern struct ppc_pci_io spiderpci_ops;
+extern int spiderpci_iowa_init(struct iowa_bus *, void *);
+
+#define SPIDER_PCI_REG_BASE 0xd000
+#define SPIDER_PCI_REG_SIZE 0x1000
+#define SPIDER_PCI_VCI_CNTL_STAT 0x0110
+#define SPIDER_PCI_DUMMY_READ 0x0810
+#define SPIDER_PCI_DUMMY_READ_BASE 0x0814
+
+#endif /* _IO_WORKAROUNDS_H */
obj-$(CONFIG_AUDIT) += audit.o
obj64-$(CONFIG_AUDIT) += compat_audit.o
+obj-$(CONFIG_PPC_IO_WORKAROUNDS) += io-workarounds.o
+
obj-$(CONFIG_DYNAMIC_FTRACE) += ftrace.o
obj-$(CONFIG_FUNCTION_GRAPH_TRACER) += ftrace.o
obj-$(CONFIG_PERF_EVENTS) += perf_callchain.o
--- /dev/null
+/*
+ * Support PCI IO workaround
+ *
+ * Copyright (C) 2006 Benjamin Herrenschmidt <benh@kernel.crashing.org>
+ * IBM, Corp.
+ * (C) Copyright 2007-2008 TOSHIBA CORPORATION
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+#undef DEBUG
+
+#include <linux/kernel.h>
+
+#include <asm/io.h>
+#include <asm/machdep.h>
+#include <asm/pgtable.h>
+#include <asm/ppc-pci.h>
+#include <asm/io-workarounds.h>
+
+#define IOWA_MAX_BUS 8
+
+static struct iowa_bus iowa_busses[IOWA_MAX_BUS];
+static unsigned int iowa_bus_count;
+
+static struct iowa_bus *iowa_pci_find(unsigned long vaddr, unsigned long paddr)
+{
+ int i, j;
+ struct resource *res;
+ unsigned long vstart, vend;
+
+ for (i = 0; i < iowa_bus_count; i++) {
+ struct iowa_bus *bus = &iowa_busses[i];
+ struct pci_controller *phb = bus->phb;
+
+ if (vaddr) {
+ vstart = (unsigned long)phb->io_base_virt;
+ vend = vstart + phb->pci_io_size - 1;
+ if ((vaddr >= vstart) && (vaddr <= vend))
+ return bus;
+ }
+
+ if (paddr)
+ for (j = 0; j < 3; j++) {
+ res = &phb->mem_resources[j];
+ if (paddr >= res->start && paddr <= res->end)
+ return bus;
+ }
+ }
+
+ return NULL;
+}
+
+struct iowa_bus *iowa_mem_find_bus(const PCI_IO_ADDR addr)
+{
+ struct iowa_bus *bus;
+ int token;
+
+ token = PCI_GET_ADDR_TOKEN(addr);
+
+ if (token && token <= iowa_bus_count)
+ bus = &iowa_busses[token - 1];
+ else {
+ unsigned long vaddr, paddr;
+ pte_t *ptep;
+
+ vaddr = (unsigned long)PCI_FIX_ADDR(addr);
+ if (vaddr < PHB_IO_BASE || vaddr >= PHB_IO_END)
+ return NULL;
+
+ ptep = find_linux_pte(init_mm.pgd, vaddr);
+ if (ptep == NULL)
+ paddr = 0;
+ else
+ paddr = pte_pfn(*ptep) << PAGE_SHIFT;
+ bus = iowa_pci_find(vaddr, paddr);
+
+ if (bus == NULL)
+ return NULL;
+ }
+
+ return bus;
+}
+
+struct iowa_bus *iowa_pio_find_bus(unsigned long port)
+{
+ unsigned long vaddr = (unsigned long)pci_io_base + port;
+ return iowa_pci_find(vaddr, 0);
+}
+
+
+#define DEF_PCI_AC_RET(name, ret, at, al, space, aa) \
+static ret iowa_##name at \
+{ \
+ struct iowa_bus *bus; \
+ bus = iowa_##space##_find_bus(aa); \
+ if (bus && bus->ops && bus->ops->name) \
+ return bus->ops->name al; \
+ return __do_##name al; \
+}
+
+#define DEF_PCI_AC_NORET(name, at, al, space, aa) \
+static void iowa_##name at \
+{ \
+ struct iowa_bus *bus; \
+ bus = iowa_##space##_find_bus(aa); \
+ if (bus && bus->ops && bus->ops->name) { \
+ bus->ops->name al; \
+ return; \
+ } \
+ __do_##name al; \
+}
+
+#include <asm/io-defs.h>
+
+#undef DEF_PCI_AC_RET
+#undef DEF_PCI_AC_NORET
+
+static const struct ppc_pci_io __devinitconst iowa_pci_io = {
+
+#define DEF_PCI_AC_RET(name, ret, at, al, space, aa) .name = iowa_##name,
+#define DEF_PCI_AC_NORET(name, at, al, space, aa) .name = iowa_##name,
+
+#include <asm/io-defs.h>
+
+#undef DEF_PCI_AC_RET
+#undef DEF_PCI_AC_NORET
+
+};
+
+static void __iomem *iowa_ioremap(phys_addr_t addr, unsigned long size,
+ unsigned long flags, void *caller)
+{
+ struct iowa_bus *bus;
+ void __iomem *res = __ioremap_caller(addr, size, flags, caller);
+ int busno;
+
+ bus = iowa_pci_find(0, (unsigned long)addr);
+ if (bus != NULL) {
+ busno = bus - iowa_busses;
+ PCI_SET_ADDR_TOKEN(res, busno + 1);
+ }
+ return res;
+}
+
+/* Regist new bus to support workaround */
+void __devinit iowa_register_bus(struct pci_controller *phb,
+ struct ppc_pci_io *ops,
+ int (*initfunc)(struct iowa_bus *, void *), void *data)
+{
+ struct iowa_bus *bus;
+ struct device_node *np = phb->dn;
+
+ if (iowa_bus_count >= IOWA_MAX_BUS) {
+ pr_err("IOWA:Too many pci bridges, "
+ "workarounds disabled for %s\n", np->full_name);
+ return;
+ }
+
+ bus = &iowa_busses[iowa_bus_count];
+ bus->phb = phb;
+ bus->ops = ops;
+
+ if (initfunc)
+ if ((*initfunc)(bus, data))
+ return;
+
+ iowa_bus_count++;
+
+ pr_debug("IOWA:[%d]Add bus, %s.\n", iowa_bus_count-1, np->full_name);
+}
+
+/* enable IO workaround */
+void __devinit io_workaround_init(void)
+{
+ static int io_workaround_inited;
+
+ if (io_workaround_inited)
+ return;
+ ppc_pci_io = iowa_pci_io;
+ ppc_md.ioremap = iowa_ioremap;
+ io_workaround_inited = 1;
+}
bool
select PPC_INDIRECT_IO
+config PPC_IO_WORKAROUNDS
+ bool
+
config GENERIC_IOMAP
bool
bool
select PPC_CELL_COMMON
select MPIC
+ select PPC_IO_WORKAROUNDS
select IBM_NEW_EMAC_EMAC4
select IBM_NEW_EMAC_RGMII
select IBM_NEW_EMAC_ZMII #test only
obj-$(CONFIG_PPC_CELL_COMMON) += cbe_regs.o interrupt.o pervasive.o
obj-$(CONFIG_PPC_CELL_NATIVE) += iommu.o setup.o spider-pic.o \
- pmu.o io-workarounds.o spider-pci.o
+ pmu.o spider-pci.o
obj-$(CONFIG_CBE_RAS) += ras.o
obj-$(CONFIG_CBE_THERM) += cbe_thermal.o
celleb_pci.o celleb_scc_epci.o \
celleb_scc_pciex.o \
celleb_scc_uhc.o \
- io-workarounds.o spider-pci.o \
- beat.o beat_htab.o beat_hvCall.o \
- beat_interrupt.o beat_iommu.o
+ spider-pci.o beat.o beat_htab.o \
+ beat_hvCall.o beat_interrupt.o \
+ beat_iommu.o
obj-$(CONFIG_SMP) += beat_smp.o
obj-$(CONFIG_PPC_UDBG_BEAT) += beat_udbg.o
#include <asm/pci-bridge.h>
#include <asm/ppc-pci.h>
-#include "io-workarounds.h"
#include "celleb_pci.h"
#define MAX_PCI_DEVICES 32
#include <asm/pci-bridge.h>
#include <asm/prom.h>
#include <asm/ppc-pci.h>
+#include <asm/io-workarounds.h>
-#include "io-workarounds.h"
+struct iowa_bus;
struct celleb_phb_spec {
int (*setup)(struct device_node *, struct pci_controller *);
+++ /dev/null
-/*
- * Support PCI IO workaround
- *
- * Copyright (C) 2006 Benjamin Herrenschmidt <benh@kernel.crashing.org>
- * IBM, Corp.
- * (C) Copyright 2007-2008 TOSHIBA CORPORATION
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- */
-#undef DEBUG
-
-#include <linux/kernel.h>
-
-#include <asm/io.h>
-#include <asm/machdep.h>
-#include <asm/pgtable.h>
-#include <asm/ppc-pci.h>
-
-#include "io-workarounds.h"
-
-#define IOWA_MAX_BUS 8
-
-static struct iowa_bus iowa_busses[IOWA_MAX_BUS];
-static unsigned int iowa_bus_count;
-
-static struct iowa_bus *iowa_pci_find(unsigned long vaddr, unsigned long paddr)
-{
- int i, j;
- struct resource *res;
- unsigned long vstart, vend;
-
- for (i = 0; i < iowa_bus_count; i++) {
- struct iowa_bus *bus = &iowa_busses[i];
- struct pci_controller *phb = bus->phb;
-
- if (vaddr) {
- vstart = (unsigned long)phb->io_base_virt;
- vend = vstart + phb->pci_io_size - 1;
- if ((vaddr >= vstart) && (vaddr <= vend))
- return bus;
- }
-
- if (paddr)
- for (j = 0; j < 3; j++) {
- res = &phb->mem_resources[j];
- if (paddr >= res->start && paddr <= res->end)
- return bus;
- }
- }
-
- return NULL;
-}
-
-struct iowa_bus *iowa_mem_find_bus(const PCI_IO_ADDR addr)
-{
- struct iowa_bus *bus;
- int token;
-
- token = PCI_GET_ADDR_TOKEN(addr);
-
- if (token && token <= iowa_bus_count)
- bus = &iowa_busses[token - 1];
- else {
- unsigned long vaddr, paddr;
- pte_t *ptep;
-
- vaddr = (unsigned long)PCI_FIX_ADDR(addr);
- if (vaddr < PHB_IO_BASE || vaddr >= PHB_IO_END)
- return NULL;
-
- ptep = find_linux_pte(init_mm.pgd, vaddr);
- if (ptep == NULL)
- paddr = 0;
- else
- paddr = pte_pfn(*ptep) << PAGE_SHIFT;
- bus = iowa_pci_find(vaddr, paddr);
-
- if (bus == NULL)
- return NULL;
- }
-
- return bus;
-}
-
-struct iowa_bus *iowa_pio_find_bus(unsigned long port)
-{
- unsigned long vaddr = (unsigned long)pci_io_base + port;
- return iowa_pci_find(vaddr, 0);
-}
-
-
-#define DEF_PCI_AC_RET(name, ret, at, al, space, aa) \
-static ret iowa_##name at \
-{ \
- struct iowa_bus *bus; \
- bus = iowa_##space##_find_bus(aa); \
- if (bus && bus->ops && bus->ops->name) \
- return bus->ops->name al; \
- return __do_##name al; \
-}
-
-#define DEF_PCI_AC_NORET(name, at, al, space, aa) \
-static void iowa_##name at \
-{ \
- struct iowa_bus *bus; \
- bus = iowa_##space##_find_bus(aa); \
- if (bus && bus->ops && bus->ops->name) { \
- bus->ops->name al; \
- return; \
- } \
- __do_##name al; \
-}
-
-#include <asm/io-defs.h>
-
-#undef DEF_PCI_AC_RET
-#undef DEF_PCI_AC_NORET
-
-static const struct ppc_pci_io __devinitconst iowa_pci_io = {
-
-#define DEF_PCI_AC_RET(name, ret, at, al, space, aa) .name = iowa_##name,
-#define DEF_PCI_AC_NORET(name, at, al, space, aa) .name = iowa_##name,
-
-#include <asm/io-defs.h>
-
-#undef DEF_PCI_AC_RET
-#undef DEF_PCI_AC_NORET
-
-};
-
-static void __iomem *iowa_ioremap(phys_addr_t addr, unsigned long size,
- unsigned long flags, void *caller)
-{
- struct iowa_bus *bus;
- void __iomem *res = __ioremap_caller(addr, size, flags, caller);
- int busno;
-
- bus = iowa_pci_find(0, (unsigned long)addr);
- if (bus != NULL) {
- busno = bus - iowa_busses;
- PCI_SET_ADDR_TOKEN(res, busno + 1);
- }
- return res;
-}
-
-/* Regist new bus to support workaround */
-void __devinit iowa_register_bus(struct pci_controller *phb,
- struct ppc_pci_io *ops,
- int (*initfunc)(struct iowa_bus *, void *), void *data)
-{
- struct iowa_bus *bus;
- struct device_node *np = phb->dn;
-
- if (iowa_bus_count >= IOWA_MAX_BUS) {
- pr_err("IOWA:Too many pci bridges, "
- "workarounds disabled for %s\n", np->full_name);
- return;
- }
-
- bus = &iowa_busses[iowa_bus_count];
- bus->phb = phb;
- bus->ops = ops;
-
- if (initfunc)
- if ((*initfunc)(bus, data))
- return;
-
- iowa_bus_count++;
-
- pr_debug("IOWA:[%d]Add bus, %s.\n", iowa_bus_count-1, np->full_name);
-}
-
-/* enable IO workaround */
-void __devinit io_workaround_init(void)
-{
- static int io_workaround_inited;
-
- if (io_workaround_inited)
- return;
- ppc_pci_io = iowa_pci_io;
- ppc_md.ioremap = iowa_ioremap;
- io_workaround_inited = 1;
-}
+++ /dev/null
-/*
- * Support PCI IO workaround
- *
- * (C) Copyright 2007-2008 TOSHIBA CORPORATION
- *
- * 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.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License along
- * with this program; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
- */
-
-#ifndef _IO_WORKAROUNDS_H
-#define _IO_WORKAROUNDS_H
-
-#include <linux/io.h>
-#include <asm/pci-bridge.h>
-
-/* Bus info */
-struct iowa_bus {
- struct pci_controller *phb;
- struct ppc_pci_io *ops;
- void *private;
-};
-
-void __devinit io_workaround_init(void);
-void __devinit iowa_register_bus(struct pci_controller *, struct ppc_pci_io *,
- int (*)(struct iowa_bus *, void *), void *);
-struct iowa_bus *iowa_mem_find_bus(const PCI_IO_ADDR);
-struct iowa_bus *iowa_pio_find_bus(unsigned long);
-
-extern struct ppc_pci_io spiderpci_ops;
-extern int spiderpci_iowa_init(struct iowa_bus *, void *);
-
-#define SPIDER_PCI_REG_BASE 0xd000
-#define SPIDER_PCI_REG_SIZE 0x1000
-#define SPIDER_PCI_VCI_CNTL_STAT 0x0110
-#define SPIDER_PCI_DUMMY_READ 0x0810
-#define SPIDER_PCI_DUMMY_READ_BASE 0x0814
-
-#endif /* _IO_WORKAROUNDS_H */
#include "interrupt.h"
#include "pervasive.h"
#include "ras.h"
-#include "io-workarounds.h"
static void qpace_show_cpuinfo(struct seq_file *m)
{
#include <asm/udbg.h>
#include <asm/mpic.h>
#include <asm/cell-regs.h>
+#include <asm/io-workarounds.h>
#include "interrupt.h"
#include "pervasive.h"
#include "ras.h"
-#include "io-workarounds.h"
#ifdef DEBUG
#define DBG(fmt...) udbg_printf(fmt)
#include <asm/ppc-pci.h>
#include <asm/pci-bridge.h>
-
-#include "io-workarounds.h"
+#include <asm/io-workarounds.h>
#define SPIDER_PCI_DISABLE_PREFETCH
projects / GitHub / LineageOS / G12 / android_kernel_amlogic_linux-4.9.git / commitdiff