X-Git-Url: https://git.kernelconcepts.de/?p=karo-tx-redboot.git;a=blobdiff_plain;f=packages%2Fhal%2Farm%2Fmx37%2Fkaro%2Fv1_0%2Finclude%2Fplf_mmap.h;h=73b24a7d2637a52328aabe677e068f2bd23e30fd;hp=087612b03940ff28826386194cd0d00b22f3a025;hb=6bb42bcdf232113f4d0c7967594780be176a03cd;hpb=b0e0bcf4e6263fe2617b8593c136502622c6f6ce

diff --git a/packages/hal/arm/mx37/karo/v1_0/include/plf_mmap.h b/packages/hal/arm/mx37/karo/v1_0/include/plf_mmap.h
index 087612b0..73b24a7d 100644
--- a/packages/hal/arm/mx37/karo/v1_0/include/plf_mmap.h
+++ b/packages/hal/arm/mx37/karo/v1_0/include/plf_mmap.h
@@ -47,19 +47,47 @@
 
 // This does not depend on the vaddr.
 #define HAL_MM_PAGESIZE(vaddr, pagesize) CYG_MACRO_START	\
-        (pagesize) = SZ_1M;					\
+	(pagesize) = SZ_1M;										\
 CYG_MACRO_END
 
 // Get the physical address from a virtual address:
 
 #define HAL_VIRT_TO_PHYS_ADDRESS( vaddr, paddr ) CYG_MACRO_START	\
-        cyg_uint32 _v_ = (cyg_uint32)(vaddr);				\
-        if ( _v_ < 128 * SZ_1M )          /* SDRAM */			\
-                _v_ += SDRAM_BASE_ADDR;					\
-        else                             /* Rest of it */		\
-                /* no change */ ;					\
-                (paddr) = _v_;						\
+		cyg_uint32 _v_ = (cyg_uint32)(vaddr);						\
+		if ( _v_ < 128 * SZ_1M )		  /* SDRAM */				\
+				_v_ += SDRAM_BASE_ADDR;								\
+		else							 /* Rest of it */			\
+				/* no change */ ;									\
+				(paddr) = _v_;										\
 CYG_MACRO_END
 
+/*
+ * translate the virtual address of ram space to physical address
+ * It is dependent on the implementation of hal_mmu_init
+ */
+static unsigned long __inline__ hal_virt_to_phy(unsigned long virt)
+{
+	if (virt < 0x08000000) {
+		return virt | 0x40000000;
+	}
+	if ((virt & 0xF0000000) == 0x40000000) {
+		return virt & ~0x08000000;
+	}
+	return virt;
+}
+
+/*
+ * remap the physical address of ram space to uncacheable virtual address space
+ * It is dependent on the implementation of hal_mmu_init
+ */
+static unsigned long __inline__ hal_ioremap_nocache(unsigned long phy)
+{
+	/* 0x48000000~0x48FFFFFF is uncacheable meory space which is mapped to SDRAM*/
+	if ((phy & 0xF0000000) == 0x40000000) {
+		phy |= 0x08000000;
+	}
+	return phy;
+}
+
 //---------------------------------------------------------------------------
 #endif // CYGONCE_HAL_BOARD_PLATFORM_PLF_MMAP_H