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-rw-r--r--arch/arm/mach-ixp4xx/common-pci.c23
-rw-r--r--arch/arm/mach-ixp4xx/common.c16
-rw-r--r--arch/arm/mach-ixp4xx/include/mach/memory.h12
-rw-r--r--arch/arm/mach-ixp4xx/include/mach/uncompress.h2
4 files changed, 5 insertions, 48 deletions
diff --git a/arch/arm/mach-ixp4xx/common-pci.c b/arch/arm/mach-ixp4xx/common-pci.c
index a54b3db8036..e9a58939572 100644
--- a/arch/arm/mach-ixp4xx/common-pci.c
+++ b/arch/arm/mach-ixp4xx/common-pci.c
@@ -342,29 +342,6 @@ int dma_needs_bounce(struct device *dev, dma_addr_t dma_addr, size_t size)
return (dev->bus == &pci_bus_type ) && ((dma_addr + size) >= SZ_64M);
}
-/*
- * Only first 64MB of memory can be accessed via PCI.
- * We use GFP_DMA to allocate safe buffers to do map/unmap.
- * This is really ugly and we need a better way of specifying
- * DMA-capable regions of memory.
- */
-void __init ixp4xx_adjust_zones(unsigned long *zone_size,
- unsigned long *zhole_size)
-{
- unsigned int sz = SZ_64M >> PAGE_SHIFT;
-
- /*
- * Only adjust if > 64M on current system
- */
- if (zone_size[0] <= sz)
- return;
-
- zone_size[1] = zone_size[0] - sz;
- zone_size[0] = sz;
- zhole_size[1] = zhole_size[0];
- zhole_size[0] = 0;
-}
-
void __init ixp4xx_pci_preinit(void)
{
unsigned long cpuid = read_cpuid_id();
diff --git a/arch/arm/mach-ixp4xx/common.c b/arch/arm/mach-ixp4xx/common.c
index ed19bc31431..74ed81a3cb1 100644
--- a/arch/arm/mach-ixp4xx/common.c
+++ b/arch/arm/mach-ixp4xx/common.c
@@ -419,26 +419,14 @@ static void notrace ixp4xx_update_sched_clock(void)
/*
* clocksource
*/
-static cycle_t ixp4xx_get_cycles(struct clocksource *cs)
-{
- return *IXP4XX_OSTS;
-}
-
-static struct clocksource clocksource_ixp4xx = {
- .name = "OSTS",
- .rating = 200,
- .read = ixp4xx_get_cycles,
- .mask = CLOCKSOURCE_MASK(32),
- .flags = CLOCK_SOURCE_IS_CONTINUOUS,
-};
-
unsigned long ixp4xx_timer_freq = IXP4XX_TIMER_FREQ;
EXPORT_SYMBOL(ixp4xx_timer_freq);
static void __init ixp4xx_clocksource_init(void)
{
init_sched_clock(&cd, ixp4xx_update_sched_clock, 32, ixp4xx_timer_freq);
- clocksource_register_hz(&clocksource_ixp4xx, ixp4xx_timer_freq);
+ clocksource_mmio_init(&IXP4XX_OSTS, "OSTS", ixp4xx_timer_freq, 200, 32,
+ clocksource_mmio_readl_up);
}
/*
diff --git a/arch/arm/mach-ixp4xx/include/mach/memory.h b/arch/arm/mach-ixp4xx/include/mach/memory.h
index 6d388c9d0e2..34e79404671 100644
--- a/arch/arm/mach-ixp4xx/include/mach/memory.h
+++ b/arch/arm/mach-ixp4xx/include/mach/memory.h
@@ -14,16 +14,8 @@
*/
#define PLAT_PHYS_OFFSET UL(0x00000000)
-#if !defined(__ASSEMBLY__) && defined(CONFIG_PCI)
-
-void ixp4xx_adjust_zones(unsigned long *size, unsigned long *holes);
-
-#define arch_adjust_zones(size, holes) \
- ixp4xx_adjust_zones(size, holes)
-
-#define ISA_DMA_THRESHOLD (SZ_64M - 1)
-#define MAX_DMA_ADDRESS (PAGE_OFFSET + SZ_64M)
-
+#ifdef CONFIG_PCI
+#define ARM_DMA_ZONE_SIZE SZ_64M
#endif
#endif
diff --git a/arch/arm/mach-ixp4xx/include/mach/uncompress.h b/arch/arm/mach-ixp4xx/include/mach/uncompress.h
index 2db0078a8cf..219d7c1dcdb 100644
--- a/arch/arm/mach-ixp4xx/include/mach/uncompress.h
+++ b/arch/arm/mach-ixp4xx/include/mach/uncompress.h
@@ -19,7 +19,7 @@
#define TX_DONE (UART_LSR_TEMT|UART_LSR_THRE)
-static volatile u32* uart_base;
+volatile u32* uart_base;
static inline void putc(int c)
{