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ARM: tegra: clean-up mach/io.h
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Move tegra specific mach/io.h parts into iomap.h.

Signed-off-by: Rob Herring <rob.herring@calxeda.com>
Tested-by: Stephen Warren <swarren@nvidia.com>
Acked-by: Stephen Warren <swarren@nvidia.com>
Cc: Colin Cross <ccross@android.com>
Cc: Olof Johansson <olof@lixom.net>
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Rob Herring committed Mar 7, 2012
1 parent 8a52dd4 commit 6c38e25
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Showing 4 changed files with 49 additions and 49 deletions.
1 change: 0 additions & 1 deletion arch/arm/mach-tegra/include/mach/debug-macro.S
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Expand Up @@ -18,7 +18,6 @@
*
*/

#include <mach/io.h>
#include <mach/iomap.h>

.macro addruart, rp, rv, tmp
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48 changes: 0 additions & 48 deletions arch/arm/mach-tegra/include/mach/io.h
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Expand Up @@ -23,56 +23,8 @@

#define IO_SPACE_LIMIT 0xffff

/* On TEGRA, many peripherals are very closely packed in
* two 256MB io windows (that actually only use about 64KB
* at the start of each).
*
* We will just map the first 1MB of each window (to minimize
* pt entries needed) and provide a macro to transform physical
* io addresses to an appropriate void __iomem *.
*
*/

#ifdef __ASSEMBLY__
#define IOMEM(x) (x)
#else
#define IOMEM(x) ((void __force __iomem *)(x))
#endif

#define IO_IRAM_PHYS 0x40000000
#define IO_IRAM_VIRT IOMEM(0xFE400000)
#define IO_IRAM_SIZE SZ_256K

#define IO_CPU_PHYS 0x50040000
#define IO_CPU_VIRT IOMEM(0xFE000000)
#define IO_CPU_SIZE SZ_16K

#define IO_PPSB_PHYS 0x60000000
#define IO_PPSB_VIRT IOMEM(0xFE200000)
#define IO_PPSB_SIZE SZ_1M

#define IO_APB_PHYS 0x70000000
#define IO_APB_VIRT IOMEM(0xFE300000)
#define IO_APB_SIZE SZ_1M

#define IO_TO_VIRT_BETWEEN(p, st, sz) ((p) >= (st) && (p) < ((st) + (sz)))
#define IO_TO_VIRT_XLATE(p, pst, vst) (((p) - (pst) + (vst)))

#define IO_TO_VIRT(n) ( \
IO_TO_VIRT_BETWEEN((n), IO_PPSB_PHYS, IO_PPSB_SIZE) ? \
IO_TO_VIRT_XLATE((n), IO_PPSB_PHYS, IO_PPSB_VIRT) : \
IO_TO_VIRT_BETWEEN((n), IO_APB_PHYS, IO_APB_SIZE) ? \
IO_TO_VIRT_XLATE((n), IO_APB_PHYS, IO_APB_VIRT) : \
IO_TO_VIRT_BETWEEN((n), IO_CPU_PHYS, IO_CPU_SIZE) ? \
IO_TO_VIRT_XLATE((n), IO_CPU_PHYS, IO_CPU_VIRT) : \
IO_TO_VIRT_BETWEEN((n), IO_IRAM_PHYS, IO_IRAM_SIZE) ? \
IO_TO_VIRT_XLATE((n), IO_IRAM_PHYS, IO_IRAM_VIRT) : \
NULL)

#ifndef __ASSEMBLER__

#define IO_ADDRESS(n) (IO_TO_VIRT(n))

#ifdef CONFIG_TEGRA_PCI
extern void __iomem *tegra_pcie_io_base;

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48 changes: 48 additions & 0 deletions arch/arm/mach-tegra/include/mach/iomap.h
Original file line number Diff line number Diff line change
Expand Up @@ -271,4 +271,52 @@
# define TEGRA_DEBUG_UART_BASE TEGRA_UARTE_BASE
#endif

/* On TEGRA, many peripherals are very closely packed in
* two 256MB io windows (that actually only use about 64KB
* at the start of each).
*
* We will just map the first 1MB of each window (to minimize
* pt entries needed) and provide a macro to transform physical
* io addresses to an appropriate void __iomem *.
*
*/

#ifdef __ASSEMBLY__
#define IOMEM(x) (x)
#else
#define IOMEM(x) ((void __force __iomem *)(x))
#endif

#define IO_IRAM_PHYS 0x40000000
#define IO_IRAM_VIRT IOMEM(0xFE400000)
#define IO_IRAM_SIZE SZ_256K

#define IO_CPU_PHYS 0x50040000
#define IO_CPU_VIRT IOMEM(0xFE000000)
#define IO_CPU_SIZE SZ_16K

#define IO_PPSB_PHYS 0x60000000
#define IO_PPSB_VIRT IOMEM(0xFE200000)
#define IO_PPSB_SIZE SZ_1M

#define IO_APB_PHYS 0x70000000
#define IO_APB_VIRT IOMEM(0xFE300000)
#define IO_APB_SIZE SZ_1M

#define IO_TO_VIRT_BETWEEN(p, st, sz) ((p) >= (st) && (p) < ((st) + (sz)))
#define IO_TO_VIRT_XLATE(p, pst, vst) (((p) - (pst) + (vst)))

#define IO_TO_VIRT(n) ( \
IO_TO_VIRT_BETWEEN((n), IO_PPSB_PHYS, IO_PPSB_SIZE) ? \
IO_TO_VIRT_XLATE((n), IO_PPSB_PHYS, IO_PPSB_VIRT) : \
IO_TO_VIRT_BETWEEN((n), IO_APB_PHYS, IO_APB_SIZE) ? \
IO_TO_VIRT_XLATE((n), IO_APB_PHYS, IO_APB_VIRT) : \
IO_TO_VIRT_BETWEEN((n), IO_CPU_PHYS, IO_CPU_SIZE) ? \
IO_TO_VIRT_XLATE((n), IO_CPU_PHYS, IO_CPU_VIRT) : \
IO_TO_VIRT_BETWEEN((n), IO_IRAM_PHYS, IO_IRAM_SIZE) ? \
IO_TO_VIRT_XLATE((n), IO_IRAM_PHYS, IO_IRAM_VIRT) : \
NULL)

#define IO_ADDRESS(n) (IO_TO_VIRT(n))

#endif
1 change: 1 addition & 0 deletions arch/arm/mach-tegra/io.c
Original file line number Diff line number Diff line change
Expand Up @@ -26,6 +26,7 @@

#include <asm/page.h>
#include <asm/mach/map.h>
#include <mach/iomap.h>

#include "board.h"

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