1 files changed, 0 insertions, 136 deletions
diff --git a/arch/mips/powertv/ioremap.c b/arch/mips/powertv/ioremap.c
deleted file mode 100644
index d060478aab03..000000000000
--- a/arch/mips/powertv/ioremap.c
+++ /dev/null
@@ -1,136 +0,0 @@
-/*
- *			ioremap.c
- *
- * Support for mapping between dma_addr_t values a phys_addr_t values.
- *
- * Copyright (C) 2005-2009 Scientific-Atlanta, Inc.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
- *
- * Author:	 David VomLehn <dvomlehn@cisco.com>
- *
- * Description:	 Defines the platform resources for the SA settop.
- *
- * NOTE: The bootloader allocates persistent memory at an address which is
- * 16 MiB below the end of the highest address in KSEG0. All fixed
- * address memory reservations must avoid this region.
- */
-
-#include <linux/kernel.h>
-#include <linux/module.h>
-
-#include <asm/mach-powertv/ioremap.h>
-
-/*
- * Define the sizes of and masks for grains in physical and DMA space. The
- * values are the same but the types are not.
- */
-#define IOR_PHYS_GRAIN		((phys_addr_t) 1 << IOR_LSBITS)
-#define IOR_PHYS_GRAIN_MASK	(IOR_PHYS_GRAIN - 1)
-
-#define IOR_DMA_GRAIN		((dma_addr_t) 1 << IOR_LSBITS)
-#define IOR_DMA_GRAIN_MASK	(IOR_DMA_GRAIN - 1)
-
-/*
- * Values that, when accessed by an index derived from a phys_addr_t and
- * added to phys_addr_t value, yield a DMA address
- */
-struct ior_phys_to_dma _ior_phys_to_dma[IOR_NUM_PHYS_TO_DMA];
-EXPORT_SYMBOL(_ior_phys_to_dma);
-
-/*
- * Values that, when accessed by an index derived from a dma_addr_t and
- * added to that dma_addr_t value, yield a physical address
- */
-struct ior_dma_to_phys _ior_dma_to_phys[IOR_NUM_DMA_TO_PHYS];
-EXPORT_SYMBOL(_ior_dma_to_phys);
-
-/**
- * setup_dma_to_phys - set up conversion from DMA to physical addresses
- * @dma_idx:	Top IOR_LSBITS bits of the DMA address, i.e. an index
- *		into the array _dma_to_phys.
- * @delta:	Value that, when added to the DMA address, will yield the
- *		physical address
- * @s:		Number of bytes in the section of memory with the given delta
- *		between DMA and physical addresses.
- */
-static void setup_dma_to_phys(dma_addr_t dma, phys_addr_t delta, dma_addr_t s)
-{
-	int dma_idx, first_idx, last_idx;
-	phys_addr_t first, last;
-
-	/*
-	 * Calculate the first and last indices, rounding the first up and
-	 * the second down.
-	 */
-	first = dma & ~IOR_DMA_GRAIN_MASK;
-	last = (dma + s - 1) & ~IOR_DMA_GRAIN_MASK;
-	first_idx = first >> IOR_LSBITS;		/* Convert to indices */
-	last_idx = last >> IOR_LSBITS;
-
-	for (dma_idx = first_idx; dma_idx <= last_idx; dma_idx++)
-		_ior_dma_to_phys[dma_idx].offset = delta >> IOR_DMA_SHIFT;
-}
-
-/**
- * setup_phys_to_dma - set up conversion from DMA to physical addresses
- * @phys_idx:	Top IOR_LSBITS bits of the DMA address, i.e. an index
- *		into the array _phys_to_dma.
- * @delta:	Value that, when added to the DMA address, will yield the
- *		physical address
- * @s:		Number of bytes in the section of memory with the given delta
- *		between DMA and physical addresses.
- */
-static void setup_phys_to_dma(phys_addr_t phys, dma_addr_t delta, phys_addr_t s)
-{
-	int phys_idx, first_idx, last_idx;
-	phys_addr_t first, last;
-
-	/*
-	 * Calculate the first and last indices, rounding the first up and
-	 * the second down.
-	 */
-	first = phys & ~IOR_PHYS_GRAIN_MASK;
-	last = (phys + s - 1) & ~IOR_PHYS_GRAIN_MASK;
-	first_idx = first >> IOR_LSBITS;		/* Convert to indices */
-	last_idx = last >> IOR_LSBITS;
-
-	for (phys_idx = first_idx; phys_idx <= last_idx; phys_idx++)
-		_ior_phys_to_dma[phys_idx].offset = delta >> IOR_PHYS_SHIFT;
-}
-
-/**
- * ioremap_add_map - add to the physical and DMA address conversion arrays
- * @phys:	Process's view of the address of the start of the memory chunk
- * @dma:	DMA address of the start of the memory chunk
- * @size:	Size, in bytes, of the chunk of memory
- *
- * NOTE: It might be obvious, but the assumption is that all @size bytes have
- * the same offset between the physical address and the DMA address.
- */
-void ioremap_add_map(phys_addr_t phys, phys_addr_t dma, phys_addr_t size)
-{
-	if (size == 0)
-		return;
-
-	if ((dma & IOR_DMA_GRAIN_MASK) != 0 ||
-		(phys & IOR_PHYS_GRAIN_MASK) != 0 ||
-		(size & IOR_PHYS_GRAIN_MASK) != 0)
-		pr_crit("Memory allocation must be in chunks of 0x%x bytes\n",
-			IOR_PHYS_GRAIN);
-
-	setup_dma_to_phys(dma, phys - dma, size);
-	setup_phys_to_dma(phys, dma - phys, size);
-}