[PATCH 4/6] ARM: pci: make pcibios_assign_all_busses use pci_has_flag
Rob Herring
robherring2 at gmail.com
Tue Jul 12 12:53:30 EDT 2011
From: Rob Herring <rob.herring at calxeda.com>
Convert pcibios_assign_all_busses from a define to inline so platforms can
control this setting.
Signed-off-by: Rob Herring <rob.herring at calxeda.com>
Acked-by: Nicolas Pitre <nicolas.pitre at linaro.org>
Reviewed-by: Arnd Bergmann <arnd at arndb.de>
---
arch/arm/include/asm/pci.h | 6 ++++++
arch/arm/mach-bcmring/include/mach/hardware.h | 2 --
arch/arm/mach-cns3xxx/include/mach/hardware.h | 1 -
arch/arm/mach-dove/include/mach/hardware.h | 2 --
arch/arm/mach-ep93xx/include/mach/hardware.h | 2 --
arch/arm/mach-footbridge/include/mach/hardware.h | 2 --
arch/arm/mach-integrator/include/mach/hardware.h | 2 --
arch/arm/mach-iop13xx/include/mach/hardware.h | 2 --
arch/arm/mach-iop32x/include/mach/hardware.h | 1 -
arch/arm/mach-iop33x/include/mach/hardware.h | 1 -
arch/arm/mach-ixp2000/include/mach/hardware.h | 2 --
arch/arm/mach-ixp2000/pci.c | 2 ++
arch/arm/mach-ixp23xx/include/mach/hardware.h | 2 --
arch/arm/mach-ixp23xx/pci.c | 2 ++
arch/arm/mach-ixp4xx/include/mach/hardware.h | 2 --
arch/arm/mach-kirkwood/include/mach/hardware.h | 3 ---
arch/arm/mach-ks8695/include/mach/hardware.h | 2 --
arch/arm/mach-mv78xx0/include/mach/hardware.h | 2 --
arch/arm/mach-orion5x/include/mach/hardware.h | 2 --
arch/arm/mach-pxa/include/mach/hardware.h | 1 -
arch/arm/mach-sa1100/include/mach/hardware.h | 1 -
arch/arm/mach-shark/include/mach/hardware.h | 2 --
arch/arm/mach-tegra/include/mach/hardware.h | 1 -
arch/arm/mach-versatile/include/mach/hardware.h | 2 --
arch/arm/mm/iomap.c | 4 ++++
25 files changed, 14 insertions(+), 37 deletions(-)
diff --git a/arch/arm/include/asm/pci.h b/arch/arm/include/asm/pci.h
index 92e2a83..cb77e66 100644
--- a/arch/arm/include/asm/pci.h
+++ b/arch/arm/include/asm/pci.h
@@ -3,10 +3,16 @@
#ifdef __KERNEL__
#include <asm-generic/pci-dma-compat.h>
+#include <asm-generic/pci-bridge.h>
#include <asm/mach/pci.h> /* for pci_sys_data */
#include <mach/hardware.h> /* for PCIBIOS_MIN_* */
+static inline int pcibios_assign_all_busses(void)
+{
+ return pci_has_flag(PCI_REASSIGN_ALL_RSRC);
+}
+
#ifdef CONFIG_PCI_DOMAINS
static inline int pci_domain_nr(struct pci_bus *bus)
{
diff --git a/arch/arm/mach-bcmring/include/mach/hardware.h b/arch/arm/mach-bcmring/include/mach/hardware.h
index 8bf3564..ed78aab 100644
--- a/arch/arm/mach-bcmring/include/mach/hardware.h
+++ b/arch/arm/mach-bcmring/include/mach/hardware.h
@@ -36,8 +36,6 @@
#define RAM_SIZE (CFG_GLOBAL_RAM_SIZE-CFG_GLOBAL_RAM_SIZE_RESERVED)
#define RAM_BASE PAGE_OFFSET
-#define pcibios_assign_all_busses() 1
-
/* Macros to make managing spinlocks a bit more controlled in terms of naming. */
/* See reg_gpio.h, reg_irq.h, arch.c, gpio.c for example usage. */
#if defined(__KERNEL__)
diff --git a/arch/arm/mach-cns3xxx/include/mach/hardware.h b/arch/arm/mach-cns3xxx/include/mach/hardware.h
index 57e0983..82a0d4e 100644
--- a/arch/arm/mach-cns3xxx/include/mach/hardware.h
+++ b/arch/arm/mach-cns3xxx/include/mach/hardware.h
@@ -17,6 +17,5 @@
/* macro to get at IO space when running virtually */
#define PCIBIOS_MIN_IO 0x00000000
#define PCIBIOS_MIN_MEM 0x00000000
-#define pcibios_assign_all_busses() 1
#endif
diff --git a/arch/arm/mach-dove/include/mach/hardware.h b/arch/arm/mach-dove/include/mach/hardware.h
index 32b0826..f619fb9 100644
--- a/arch/arm/mach-dove/include/mach/hardware.h
+++ b/arch/arm/mach-dove/include/mach/hardware.h
@@ -11,8 +11,6 @@
#include "dove.h"
-#define pcibios_assign_all_busses() 1
-
#define PCIBIOS_MIN_IO 0x1000
#define PCIBIOS_MIN_MEM 0x01000000
#define PCIMEM_BASE DOVE_PCIE0_MEM_PHYS_BASE
diff --git a/arch/arm/mach-ep93xx/include/mach/hardware.h b/arch/arm/mach-ep93xx/include/mach/hardware.h
index 5a3ce02..4df8428 100644
--- a/arch/arm/mach-ep93xx/include/mach/hardware.h
+++ b/arch/arm/mach-ep93xx/include/mach/hardware.h
@@ -8,8 +8,6 @@
#include <mach/ep93xx-regs.h>
#include <mach/platform.h>
-#define pcibios_assign_all_busses() 0
-
/*
* The EP93xx has two external crystal oscillators. To generate the
* required high-frequency clocks, the processor uses two phase-locked-
diff --git a/arch/arm/mach-footbridge/include/mach/hardware.h b/arch/arm/mach-footbridge/include/mach/hardware.h
index b6fdf23..082e6ce 100644
--- a/arch/arm/mach-footbridge/include/mach/hardware.h
+++ b/arch/arm/mach-footbridge/include/mach/hardware.h
@@ -100,8 +100,6 @@ extern unsigned int nw_gpio_read(void);
extern void nw_cpld_modify(unsigned int mask, unsigned int set);
#endif
-#define pcibios_assign_all_busses() 1
-
#define PCIBIOS_MIN_IO 0x1000
#define PCIBIOS_MIN_MEM 0x81000000
diff --git a/arch/arm/mach-integrator/include/mach/hardware.h b/arch/arm/mach-integrator/include/mach/hardware.h
index 57f51ba..37323ea 100644
--- a/arch/arm/mach-integrator/include/mach/hardware.h
+++ b/arch/arm/mach-integrator/include/mach/hardware.h
@@ -34,8 +34,6 @@
#define PCIMEM_BASE PCI_MEMORY_VADDR
-#define pcibios_assign_all_busses() 1
-
#define PCIBIOS_MIN_IO 0x6000
#define PCIBIOS_MIN_MEM 0x00100000
diff --git a/arch/arm/mach-iop13xx/include/mach/hardware.h b/arch/arm/mach-iop13xx/include/mach/hardware.h
index 8e1d562..ba81e50 100644
--- a/arch/arm/mach-iop13xx/include/mach/hardware.h
+++ b/arch/arm/mach-iop13xx/include/mach/hardware.h
@@ -2,8 +2,6 @@
#define __ASM_ARCH_HARDWARE_H
#include <asm/types.h>
-#define pcibios_assign_all_busses() 1
-
#ifndef __ASSEMBLY__
extern unsigned long iop13xx_pcibios_min_io;
extern unsigned long iop13xx_pcibios_min_mem;
diff --git a/arch/arm/mach-iop32x/include/mach/hardware.h b/arch/arm/mach-iop32x/include/mach/hardware.h
index d559c4e..e68bf97 100644
--- a/arch/arm/mach-iop32x/include/mach/hardware.h
+++ b/arch/arm/mach-iop32x/include/mach/hardware.h
@@ -18,7 +18,6 @@
* but when we read them, we convert them to virtual addresses. See
* arch/arm/plat-iop/pci.c.
*/
-#define pcibios_assign_all_busses() 1
#define PCIBIOS_MIN_IO 0x00000000
#define PCIBIOS_MIN_MEM 0x00000000
diff --git a/arch/arm/mach-iop33x/include/mach/hardware.h b/arch/arm/mach-iop33x/include/mach/hardware.h
index 8c10e43..215065b 100644
--- a/arch/arm/mach-iop33x/include/mach/hardware.h
+++ b/arch/arm/mach-iop33x/include/mach/hardware.h
@@ -18,7 +18,6 @@
* but when we read them, we convert them to virtual addresses. See
* arch/arm/mach-iop3xx/iop3xx-pci.c
*/
-#define pcibios_assign_all_busses() 1
#define PCIBIOS_MIN_IO 0x00000000
#define PCIBIOS_MIN_MEM 0x00000000
diff --git a/arch/arm/mach-ixp2000/include/mach/hardware.h b/arch/arm/mach-ixp2000/include/mach/hardware.h
index f033de4..6c92008 100644
--- a/arch/arm/mach-ixp2000/include/mach/hardware.h
+++ b/arch/arm/mach-ixp2000/include/mach/hardware.h
@@ -27,8 +27,6 @@
#include "ixp2000-regs.h" /* Chipset Registers */
-#define pcibios_assign_all_busses() 0
-
/*
* Platform helper functions
*/
diff --git a/arch/arm/mach-ixp2000/pci.c b/arch/arm/mach-ixp2000/pci.c
index f797c5f..8888ed9 100644
--- a/arch/arm/mach-ixp2000/pci.c
+++ b/arch/arm/mach-ixp2000/pci.c
@@ -196,6 +196,8 @@ clear_master_aborts(void)
void __init
ixp2000_pci_preinit(void)
{
+ pci_set_flags(0);
+
#ifndef CONFIG_IXP2000_SUPPORT_BROKEN_PCI_IO
/*
* Configure the PCI unit to properly byteswap I/O transactions,
diff --git a/arch/arm/mach-ixp23xx/include/mach/hardware.h b/arch/arm/mach-ixp23xx/include/mach/hardware.h
index 57b508b..b8bb781 100644
--- a/arch/arm/mach-ixp23xx/include/mach/hardware.h
+++ b/arch/arm/mach-ixp23xx/include/mach/hardware.h
@@ -20,8 +20,6 @@
#include "ixp23xx.h"
-#define pcibios_assign_all_busses() 0
-
/*
* Platform helper functions
*/
diff --git a/arch/arm/mach-ixp23xx/pci.c b/arch/arm/mach-ixp23xx/pci.c
index 563819a..72d145a 100644
--- a/arch/arm/mach-ixp23xx/pci.c
+++ b/arch/arm/mach-ixp23xx/pci.c
@@ -227,6 +227,8 @@ static void __init ixp23xx_pci_common_init(void)
void __init ixp23xx_pci_preinit(void)
{
+ pci_set_flags(0);
+
ixp23xx_pci_common_init();
hook_fault_code(16+6, ixp23xx_pci_abort_handler, SIGBUS, 0,
diff --git a/arch/arm/mach-ixp4xx/include/mach/hardware.h b/arch/arm/mach-ixp4xx/include/mach/hardware.h
index 8138371..163e506 100644
--- a/arch/arm/mach-ixp4xx/include/mach/hardware.h
+++ b/arch/arm/mach-ixp4xx/include/mach/hardware.h
@@ -28,8 +28,6 @@
#define ARCH_HAS_DMA_SET_COHERENT_MASK
-#define pcibios_assign_all_busses() 1
-
/* Register locations and bits */
#include "ixp4xx-regs.h"
diff --git a/arch/arm/mach-kirkwood/include/mach/hardware.h b/arch/arm/mach-kirkwood/include/mach/hardware.h
index cde8528..31b81fe 100644
--- a/arch/arm/mach-kirkwood/include/mach/hardware.h
+++ b/arch/arm/mach-kirkwood/include/mach/hardware.h
@@ -11,9 +11,6 @@
#include "kirkwood.h"
-#define pcibios_assign_all_busses() 1
-
-#define PCIBIOS_MIN_IO 0x00001000
#define PCIBIOS_MIN_MEM 0x01000000
#define PCIMEM_BASE KIRKWOOD_PCIE_MEM_PHYS_BASE /* mem base for VGA */
diff --git a/arch/arm/mach-ks8695/include/mach/hardware.h b/arch/arm/mach-ks8695/include/mach/hardware.h
index e0f911d..a46be88 100644
--- a/arch/arm/mach-ks8695/include/mach/hardware.h
+++ b/arch/arm/mach-ks8695/include/mach/hardware.h
@@ -46,8 +46,6 @@
/*
* PCI support
*/
-#define pcibios_assign_all_busses() 1
-
#define PCIBIOS_MIN_IO 0
#define PCIBIOS_MIN_MEM 0
diff --git a/arch/arm/mach-mv78xx0/include/mach/hardware.h b/arch/arm/mach-mv78xx0/include/mach/hardware.h
index 5d88755..c76b93f 100644
--- a/arch/arm/mach-mv78xx0/include/mach/hardware.h
+++ b/arch/arm/mach-mv78xx0/include/mach/hardware.h
@@ -11,8 +11,6 @@
#include "mv78xx0.h"
-#define pcibios_assign_all_busses() 1
-
#define PCIBIOS_MIN_IO 0x00001000
#define PCIBIOS_MIN_MEM 0x01000000
#define PCIMEM_BASE MV78XX0_PCIE_MEM_PHYS_BASE /* mem base for VGA */
diff --git a/arch/arm/mach-orion5x/include/mach/hardware.h b/arch/arm/mach-orion5x/include/mach/hardware.h
index e51aaf4..a42b743 100644
--- a/arch/arm/mach-orion5x/include/mach/hardware.h
+++ b/arch/arm/mach-orion5x/include/mach/hardware.h
@@ -11,8 +11,6 @@
#include "orion5x.h"
-#define pcibios_assign_all_busses() 1
-
#define PCIBIOS_MIN_IO 0x00001000
#define PCIBIOS_MIN_MEM 0x01000000
#define PCIMEM_BASE ORION5X_PCIE_MEM_PHYS_BASE
diff --git a/arch/arm/mach-pxa/include/mach/hardware.h b/arch/arm/mach-pxa/include/mach/hardware.h
index 6957ba5..b4ea392 100644
--- a/arch/arm/mach-pxa/include/mach/hardware.h
+++ b/arch/arm/mach-pxa/include/mach/hardware.h
@@ -339,7 +339,6 @@ extern unsigned long get_clock_tick_rate(void);
#if defined(CONFIG_MACH_ARMCORE) && defined(CONFIG_PCI)
#define PCIBIOS_MIN_IO 0
#define PCIBIOS_MIN_MEM 0
-#define pcibios_assign_all_busses() 1
#define ARCH_HAS_DMA_SET_COHERENT_MASK
#endif
diff --git a/arch/arm/mach-sa1100/include/mach/hardware.h b/arch/arm/mach-sa1100/include/mach/hardware.h
index 967ae76..5946af2 100644
--- a/arch/arm/mach-sa1100/include/mach/hardware.h
+++ b/arch/arm/mach-sa1100/include/mach/hardware.h
@@ -79,7 +79,6 @@ static inline unsigned long get_clock_tick_rate(void)
#if defined(CONFIG_ARCH_SA1100) && defined(CONFIG_PCI)
#define PCIBIOS_MIN_IO 0
#define PCIBIOS_MIN_MEM 0
-#define pcibios_assign_all_busses() 1
#define HAVE_ARCH_PCI_SET_DMA_MASK 1
#endif
diff --git a/arch/arm/mach-shark/include/mach/hardware.h b/arch/arm/mach-shark/include/mach/hardware.h
index 94d84b2..24639ce 100644
--- a/arch/arm/mach-shark/include/mach/hardware.h
+++ b/arch/arm/mach-shark/include/mach/hardware.h
@@ -12,8 +12,6 @@
#define UNCACHEABLE_ADDR 0xdf010000
-#define pcibios_assign_all_busses() 1
-
#define PCIBIOS_MIN_IO 0x6000
#define PCIBIOS_MIN_MEM 0x50000000
#define PCIMEM_BASE 0xe8000000
diff --git a/arch/arm/mach-tegra/include/mach/hardware.h b/arch/arm/mach-tegra/include/mach/hardware.h
index 56e43b3..84c2658 100644
--- a/arch/arm/mach-tegra/include/mach/hardware.h
+++ b/arch/arm/mach-tegra/include/mach/hardware.h
@@ -23,6 +23,5 @@
#define PCIBIOS_MIN_IO 0x1000
#define PCIBIOS_MIN_MEM 0
-#define pcibios_assign_all_busses() 1
#endif
diff --git a/arch/arm/mach-versatile/include/mach/hardware.h b/arch/arm/mach-versatile/include/mach/hardware.h
index 6911e1f..8f60e94 100644
--- a/arch/arm/mach-versatile/include/mach/hardware.h
+++ b/arch/arm/mach-versatile/include/mach/hardware.h
@@ -34,8 +34,6 @@
#define PCIBIOS_MIN_IO 0x44000000
#define PCIBIOS_MIN_MEM 0x50000000
-#define pcibios_assign_all_busses() 1
-
/* macro to get at IO space when running virtually */
#define IO_ADDRESS(x) (((x) & 0x0fffffff) + (((x) >> 4) & 0x0f000000) + 0xf0000000)
diff --git a/arch/arm/mm/iomap.c b/arch/arm/mm/iomap.c
index ffad039..ad41414 100644
--- a/arch/arm/mm/iomap.c
+++ b/arch/arm/mm/iomap.c
@@ -8,6 +8,7 @@
#include <linux/pci.h>
#include <linux/ioport.h>
#include <linux/io.h>
+#include <asm/pci.h>
#ifdef __io
void __iomem *ioport_map(unsigned long port, unsigned int nr)
@@ -23,6 +24,9 @@ EXPORT_SYMBOL(ioport_unmap);
#endif
#ifdef CONFIG_PCI
+unsigned int pci_flags = PCI_REASSIGN_ALL_RSRC;
+EXPORT_SYMBOL(pci_flags);
+
void __iomem *pci_iomap(struct pci_dev *dev, int bar, unsigned long maxlen)
{
resource_size_t start = pci_resource_start(dev, bar);
--
1.7.4.1
More information about the linux-arm-kernel
mailing list