diff options
Diffstat (limited to 'include/asm-arm/arch-mx6/mmu.h')
| -rw-r--r-- | include/asm-arm/arch-mx6/mmu.h | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/include/asm-arm/arch-mx6/mmu.h b/include/asm-arm/arch-mx6/mmu.h index d571f59..ee78ffb 100644 --- a/include/asm-arm/arch-mx6/mmu.h +++ b/include/asm-arm/arch-mx6/mmu.h @@ -140,10 +140,18 @@ union ARM_MMU_FIRST_LEVEL_DESCRIPTOR { */ inline unsigned long iomem_to_phys(unsigned long virt) { +#ifndef CONFIG_MX6Q_ARM2_LPDDR2POP if (virt >= 0x88000000 && virt <= 0xffffffff) return (unsigned long)(virt - 0x78000000); return (unsigned long)virt; +#else + /* bank 2 : virt 0x20000000 ~ phy 0x80000000, size 256MB */ + if (virt >= 0x20000000 && virt <= 0x30000000) + return (unsigned long)(virt + 0x60000000); + + return (unsigned long)virt; +#endif } /* @@ -152,6 +160,7 @@ inline unsigned long iomem_to_phys(unsigned long virt) */ void *__ioremap(unsigned long offset, size_t size, unsigned long flags) { +#ifndef CONFIG_MX6Q_ARM2_LPDDR2POP if (1 == flags) { if (offset >= PHYS_SDRAM_1 && offset < (unsigned long)(PHYS_SDRAM_1 + PHYS_SDRAM_1_SIZE)) @@ -160,6 +169,14 @@ void *__ioremap(unsigned long offset, size_t size, unsigned long flags) return NULL; } else return (void *)offset; +#else + /* + * In case the cacheable and uncacheable memory don't overlap in + * physical memory, this function is no longer needed, we simply return + * the first address itself + */ + return (void *)offset; +#endif } /* |