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-rw-r--r--arch/arm/plat-omap/io.c18
1 files changed, 18 insertions, 0 deletions
diff --git a/arch/arm/plat-omap/io.c b/arch/arm/plat-omap/io.c
index f1ecfa9fc61d..333871f59995 100644
--- a/arch/arm/plat-omap/io.c
+++ b/arch/arm/plat-omap/io.c
@@ -12,6 +12,7 @@
12#include <linux/module.h> 12#include <linux/module.h>
13#include <linux/io.h> 13#include <linux/io.h>
14#include <linux/mm.h> 14#include <linux/mm.h>
15#include <linux/dma-mapping.h>
15 16
16#include <plat/omap7xx.h> 17#include <plat/omap7xx.h>
17#include <plat/omap1510.h> 18#include <plat/omap1510.h>
@@ -23,11 +24,16 @@
23#define BETWEEN(p,st,sz) ((p) >= (st) && (p) < ((st) + (sz))) 24#define BETWEEN(p,st,sz) ((p) >= (st) && (p) < ((st) + (sz)))
24#define XLATE(p,pst,vst) ((void __iomem *)((p) - (pst) + (vst))) 25#define XLATE(p,pst,vst) ((void __iomem *)((p) - (pst) + (vst)))
25 26
27static int initialized;
28
26/* 29/*
27 * Intercept ioremap() requests for addresses in our fixed mapping regions. 30 * Intercept ioremap() requests for addresses in our fixed mapping regions.
28 */ 31 */
29void __iomem *omap_ioremap(unsigned long p, size_t size, unsigned int type) 32void __iomem *omap_ioremap(unsigned long p, size_t size, unsigned int type)
30{ 33{
34
35 WARN(!initialized, "Do not use ioremap before init_early\n");
36
31#ifdef CONFIG_ARCH_OMAP1 37#ifdef CONFIG_ARCH_OMAP1
32 if (cpu_class_is_omap1()) { 38 if (cpu_class_is_omap1()) {
33 if (BETWEEN(p, OMAP1_IO_PHYS, OMAP1_IO_SIZE)) 39 if (BETWEEN(p, OMAP1_IO_PHYS, OMAP1_IO_SIZE))
@@ -139,3 +145,15 @@ void omap_iounmap(volatile void __iomem *addr)
139 __iounmap(addr); 145 __iounmap(addr);
140} 146}
141EXPORT_SYMBOL(omap_iounmap); 147EXPORT_SYMBOL(omap_iounmap);
148
149void __init omap_init_consistent_dma_size(void)
150{
151#ifdef CONFIG_FB_OMAP_CONSISTENT_DMA_SIZE
152 init_consistent_dma_size(CONFIG_FB_OMAP_CONSISTENT_DMA_SIZE << 20);
153#endif
154}
155
156void __init omap_ioremap_init(void)
157{
158 initialized++;
159}