diff options
Diffstat (limited to 'arch/arm/mach-iop13xx/include/mach/memory.h')
-rw-r--r-- | arch/arm/mach-iop13xx/include/mach/memory.h | 68 |
1 files changed, 0 insertions, 68 deletions
diff --git a/arch/arm/mach-iop13xx/include/mach/memory.h b/arch/arm/mach-iop13xx/include/mach/memory.h deleted file mode 100644 index 32da0e09c6a3..000000000000 --- a/arch/arm/mach-iop13xx/include/mach/memory.h +++ /dev/null @@ -1,68 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0 */ -#ifndef __ASM_ARCH_MEMORY_H -#define __ASM_ARCH_MEMORY_H - -#include <mach/hardware.h> - -#ifndef __ASSEMBLY__ - -#if defined(CONFIG_ARCH_IOP13XX) -#define IOP13XX_PMMR_V_START (IOP13XX_PMMR_VIRT_MEM_BASE) -#define IOP13XX_PMMR_V_END (IOP13XX_PMMR_VIRT_MEM_BASE + IOP13XX_PMMR_SIZE) -#define IOP13XX_PMMR_P_START (IOP13XX_PMMR_PHYS_MEM_BASE) -#define IOP13XX_PMMR_P_END (IOP13XX_PMMR_PHYS_MEM_BASE + IOP13XX_PMMR_SIZE) - -static inline dma_addr_t __virt_to_lbus(void __iomem *x) -{ - return x + IOP13XX_PMMR_PHYS_MEM_BASE - IOP13XX_PMMR_VIRT_MEM_BASE; -} - -static inline void __iomem *__lbus_to_virt(dma_addr_t x) -{ - return x + IOP13XX_PMMR_VIRT_MEM_BASE - IOP13XX_PMMR_PHYS_MEM_BASE; -} - -#define __is_lbus_dma(a) \ - ((a) >= IOP13XX_PMMR_P_START && (a) < IOP13XX_PMMR_P_END) - -#define __is_lbus_virt(a) \ - ((a) >= IOP13XX_PMMR_V_START && (a) < IOP13XX_PMMR_V_END) - -/* Device is an lbus device if it is on the platform bus of the IOP13XX */ -#define is_lbus_device(dev) \ - (dev && strncmp(dev->bus->name, "platform", 8) == 0) - -#define __arch_dma_to_virt(dev, addr) \ - ({ \ - void * __virt; \ - dma_addr_t __dma = addr; \ - if (is_lbus_device(dev) && __is_lbus_dma(__dma)) \ - __virt = __lbus_to_virt(__dma); \ - else \ - __virt = (void *)__phys_to_virt(__dma); \ - __virt; \ - }) - -#define __arch_virt_to_dma(dev, addr) \ - ({ \ - void * __virt = addr; \ - dma_addr_t __dma; \ - if (is_lbus_device(dev) && __is_lbus_virt(__virt)) \ - __dma = __virt_to_lbus(__virt); \ - else \ - __dma = __virt_to_phys((unsigned long)__virt); \ - __dma; \ - }) - -#define __arch_pfn_to_dma(dev, pfn) \ - ({ \ - /* __is_lbus_virt() can never be true for RAM pages */ \ - (dma_addr_t)__pfn_to_phys(pfn); \ - }) - -#define __arch_dma_to_pfn(dev, addr) __phys_to_pfn(addr) - -#endif /* CONFIG_ARCH_IOP13XX */ -#endif /* !ASSEMBLY */ - -#endif |