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ARM: ixp4xx: use runtime ioremap hook

Browse Source 
Convert ixp4xx platforms to use run-time ioremap hook instead of the
compile time hook.

Signed-off-by: Rob Herring <rob.herring@calxeda.com>
Cc: Imre Kaloz <kaloz@openwrt.org>
Cc: Krzysztof Halasa <khc@pm.waw.pl>
This commit is contained in:
Rob Herring 2012-03-06 15:01:53 -06:00
parent 1dfe34ae79
commit f449588c65
16 changed files with 54 additions and 18 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
arch/arm/mach-ixp4xx/avila-setup.c
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@ -165,6 +165,7 @@ static void __init avila_init(void)
MACHINE_START(AVILA, "Gateworks Avila Network Platform")
/* Maintainer: Deepak Saxena <dsaxena@plexity.net> */
.map_io = ixp4xx_map_io,
.init_early = ixp4xx_init_early,
.init_irq = ixp4xx_init_irq,
.timer = &ixp4xx_timer,
.atag_offset = 0x100,
@ -184,6 +185,7 @@ MACHINE_END
MACHINE_START(LOFT, "Giant Shoulder Inc Loft board")
/* Maintainer: Tom Billman <kernel@giantshoulderinc.com> */
.map_io = ixp4xx_map_io,
.init_early = ixp4xx_init_early,
.init_irq = ixp4xx_init_irq,
.timer = &ixp4xx_timer,
.atag_offset = 0x100,

33
arch/arm/mach-ixp4xx/common.c
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@ -31,6 +31,7 @@
#include <mach/udc.h>
#include <mach/hardware.h>
#include <mach/io.h>
#include <asm/uaccess.h>
#include <asm/pgtable.h>
#include <asm/page.h>
@ -517,3 +518,35 @@ void ixp4xx_restart(char mode, const char *cmd)
*IXP4XX_OSWE = IXP4XX_WDT_RESET_ENABLE | IXP4XX_WDT_COUNT_ENABLE;
}
}
#ifdef CONFIG_IXP4XX_INDIRECT_PCI
/*
* In the case of using indirect PCI, we simply return the actual PCI
* address and our read/write implementation use that to drive the
* access registers. If something outside of PCI is ioremap'd, we
* fallback to the default.
*/
static void __iomem *ixp4xx_ioremap_caller(unsigned long addr, size_t size,
unsigned int mtype, void *caller)
{
if (!is_pci_memory(addr))
return __arm_ioremap_caller(addr, size, mtype, caller);
return (void __iomem *)addr;
}
static void ixp4xx_iounmap(void __iomem *addr)
{
if (!is_pci_memory((__force u32)addr))
__iounmap(addr);
}
void __init ixp4xx_init_early(void)
{
arch_ioremap_caller = ixp4xx_ioremap_caller;
arch_iounmap = ixp4xx_iounmap;
}
#else
void __init ixp4xx_init_early(void) {}
#endif

2
arch/arm/mach-ixp4xx/coyote-setup.c
View File

@ -110,6 +110,7 @@ static void __init coyote_init(void)
MACHINE_START(ADI_COYOTE, "ADI Engineering Coyote")
/* Maintainer: MontaVista Software, Inc. */
.map_io = ixp4xx_map_io,
.init_early = ixp4xx_init_early,
.init_irq = ixp4xx_init_irq,
.timer = &ixp4xx_timer,
.atag_offset = 0x100,
@ -129,6 +130,7 @@ MACHINE_END
MACHINE_START(IXDPG425, "Intel IXDPG425")
/* Maintainer: MontaVista Software, Inc. */
.map_io = ixp4xx_map_io,
.init_early = ixp4xx_init_early,
.init_irq = ixp4xx_init_irq,
.timer = &ixp4xx_timer,
.atag_offset = 0x100,

1
arch/arm/mach-ixp4xx/dsmg600-setup.c
View File

@ -280,6 +280,7 @@ MACHINE_START(DSMG600, "D-Link DSM-G600 RevA")
/* Maintainer: www.nslu2-linux.org */
.atag_offset = 0x100,
.map_io = ixp4xx_map_io,
.init_early = ixp4xx_init_early,
.init_irq = ixp4xx_init_irq,
.timer = &dsmg600_timer,
.init_machine = dsmg600_init,

1
arch/arm/mach-ixp4xx/fsg-setup.c
View File

@ -270,6 +270,7 @@ static void __init fsg_init(void)
MACHINE_START(FSG, "Freecom FSG-3")
/* Maintainer: www.nslu2-linux.org */
.map_io = ixp4xx_map_io,
.init_early = ixp4xx_init_early,
.init_irq = ixp4xx_init_irq,
.timer = &ixp4xx_timer,
.atag_offset = 0x100,

1
arch/arm/mach-ixp4xx/gateway7001-setup.c
View File

@ -97,6 +97,7 @@ static void __init gateway7001_init(void)
MACHINE_START(GATEWAY7001, "Gateway 7001 AP")
/* Maintainer: Imre Kaloz <kaloz@openwrt.org> */
.map_io = ixp4xx_map_io,
.init_early = ixp4xx_init_early,
.init_irq = ixp4xx_init_irq,
.timer = &ixp4xx_timer,
.atag_offset = 0x100,

1
arch/arm/mach-ixp4xx/goramo_mlr.c
View File

@ -497,6 +497,7 @@ subsys_initcall(gmlr_pci_init);
MACHINE_START(GORAMO_MLR, "MultiLink")
/* Maintainer: Krzysztof Halasa */
.map_io = ixp4xx_map_io,
.init_early = ixp4xx_init_early,
.init_irq = ixp4xx_init_irq,
.timer = &ixp4xx_timer,
.atag_offset = 0x100,

1
arch/arm/mach-ixp4xx/gtwx5715-setup.c
View File

@ -165,6 +165,7 @@ static void __init gtwx5715_init(void)
MACHINE_START(GTWX5715, "Gemtek GTWX5715 (Linksys WRV54G)")
/* Maintainer: George Joseph */
.map_io = ixp4xx_map_io,
.init_early = ixp4xx_init_early,
.init_irq = ixp4xx_init_irq,
.timer = &ixp4xx_timer,
.atag_offset = 0x100,

18
arch/arm/mach-ixp4xx/include/mach/io.h
View File

@ -57,24 +57,6 @@ static inline int is_pci_memory(u32 addr)
return (addr >= PCIBIOS_MIN_MEM) && (addr <= 0x4FFFFFFF);
}
static inline void __iomem * __indirect_ioremap(unsigned long addr, size_t size,
unsigned int mtype)
{
if (!is_pci_memory(addr))
return __arm_ioremap(addr, size, mtype);
return (void __iomem *)addr;
}
static inline void __indirect_iounmap(void __iomem *addr)
{
if (!is_pci_memory((__force u32)addr))
__iounmap(addr);
}
#define __arch_ioremap __indirect_ioremap
#define __arch_iounmap __indirect_iounmap
#define writeb(v, p) __indirect_writeb(v, p)
#define writew(v, p) __indirect_writew(v, p)
#define writel(v, p) __indirect_writel(v, p)

1
arch/arm/mach-ixp4xx/include/mach/platform.h
View File

@ -121,6 +121,7 @@ extern unsigned long ixp4xx_timer_freq;
* Functions used by platform-level setup code
*/
extern void ixp4xx_map_io(void);
extern void ixp4xx_init_early(void);
extern void ixp4xx_init_irq(void);
extern void ixp4xx_sys_init(void);
extern void ixp4xx_timer_init(void);

4
arch/arm/mach-ixp4xx/ixdp425-setup.c
View File

@ -254,6 +254,7 @@ static void __init ixdp425_init(void)
MACHINE_START(IXDP425, "Intel IXDP425 Development Platform")
/* Maintainer: MontaVista Software, Inc. */
.map_io = ixp4xx_map_io,
.init_early = ixp4xx_init_early,
.init_irq = ixp4xx_init_irq,
.timer = &ixp4xx_timer,
.atag_offset = 0x100,
@ -269,6 +270,7 @@ MACHINE_END
MACHINE_START(IXDP465, "Intel IXDP465 Development Platform")
/* Maintainer: MontaVista Software, Inc. */
.map_io = ixp4xx_map_io,
.init_early = ixp4xx_init_early,
.init_irq = ixp4xx_init_irq,
.timer = &ixp4xx_timer,
.atag_offset = 0x100,
@ -283,6 +285,7 @@ MACHINE_END
MACHINE_START(IXCDP1100, "Intel IXCDP1100 Development Platform")
/* Maintainer: MontaVista Software, Inc. */
.map_io = ixp4xx_map_io,
.init_early = ixp4xx_init_early,
.init_irq = ixp4xx_init_irq,
.timer = &ixp4xx_timer,
.atag_offset = 0x100,
@ -297,6 +300,7 @@ MACHINE_END
MACHINE_START(KIXRP435, "Intel KIXRP435 Reference Platform")
/* Maintainer: MontaVista Software, Inc. */
.map_io = ixp4xx_map_io,
.init_early = ixp4xx_init_early,
.init_irq = ixp4xx_init_irq,
.timer = &ixp4xx_timer,
.atag_offset = 0x100,

1
arch/arm/mach-ixp4xx/nas100d-setup.c
View File

@ -315,6 +315,7 @@ MACHINE_START(NAS100D, "Iomega NAS 100d")
/* Maintainer: www.nslu2-linux.org */
.atag_offset = 0x100,
.map_io = ixp4xx_map_io,
.init_early = ixp4xx_init_early,
.init_irq = ixp4xx_init_irq,
.timer = &ixp4xx_timer,
.init_machine = nas100d_init,

1
arch/arm/mach-ixp4xx/nslu2-setup.c
View File

@ -301,6 +301,7 @@ MACHINE_START(NSLU2, "Linksys NSLU2")
/* Maintainer: www.nslu2-linux.org */
.atag_offset = 0x100,
.map_io = ixp4xx_map_io,
.init_early = ixp4xx_init_early,
.init_irq = ixp4xx_init_irq,
.timer = &nslu2_timer,
.init_machine = nslu2_init,

3
arch/arm/mach-ixp4xx/omixp-setup.c
View File

@ -243,6 +243,7 @@ static void __init omixp_init(void)
MACHINE_START(DEVIXP, "Omicron DEVIXP")
.atag_offset = 0x100,
.map_io = ixp4xx_map_io,
.init_early = ixp4xx_init_early,
.init_irq = ixp4xx_init_irq,
.timer = &ixp4xx_timer,
.init_machine = omixp_init,
@ -254,6 +255,7 @@ MACHINE_END
MACHINE_START(MICCPT, "Omicron MICCPT")
.atag_offset = 0x100,
.map_io = ixp4xx_map_io,
.init_early = ixp4xx_init_early,
.init_irq = ixp4xx_init_irq,
.timer = &ixp4xx_timer,
.init_machine = omixp_init,
@ -268,6 +270,7 @@ MACHINE_END
MACHINE_START(MIC256, "Omicron MIC256")
.atag_offset = 0x100,
.map_io = ixp4xx_map_io,
.init_early = ixp4xx_init_early,
.init_irq = ixp4xx_init_irq,
.timer = &ixp4xx_timer,
.init_machine = omixp_init,

1
arch/arm/mach-ixp4xx/vulcan-setup.c
View File

@ -237,6 +237,7 @@ static void __init vulcan_init(void)
MACHINE_START(ARCOM_VULCAN, "Arcom/Eurotech Vulcan")
/* Maintainer: Marc Zyngier <maz@misterjones.org> */
.map_io = ixp4xx_map_io,
.init_early = ixp4xx_init_early,
.init_irq = ixp4xx_init_irq,
.timer = &ixp4xx_timer,
.atag_offset = 0x100,

1
arch/arm/mach-ixp4xx/wg302v2-setup.c
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@ -98,6 +98,7 @@ static void __init wg302v2_init(void)
MACHINE_START(WG302V2, "Netgear WG302 v2 / WAG302 v2")
/* Maintainer: Imre Kaloz <kaloz@openwrt.org> */
.map_io = ixp4xx_map_io,
.init_early = ixp4xx_init_early,
.init_irq = ixp4xx_init_irq,
.timer = &ixp4xx_timer,
.atag_offset = 0x100,