u-boot.git/arch/mips/include/asm, branch v2016.05

MIPS: fix mips_cache fallback without __builtin_mips_cache

2016-03-09T10:00:40+00:00

The "R" constraint supplies the address of an variable in a register. Use
"r" instead and adjust asm to supply the content of addr in a register
instead.

Fixes: 2b8bcc5a ("MIPS: avoid .set ISA for cache operations")
Signed-off-by: Matthias Schiffer 
Cc: Paul Burton 
Cc: Daniel Schwierzeck

MIPS: Support dynamic I/O port base address

2016-02-01T21:13:25+00:00

The existing mips_io_port_base variable isn't suitable for use early
during boot since it will be stored in the .data section which may not
be writable pre-relocation. Fix this by moving the I/O port base address
into struct arch_global_data. In order to avoid adding this field for
all targets, make this dependant upon a new Kconfig entry
CONFIG_DYNAMIC_IO_PORT_BASE. Malta is the only board which sets a
non-zero I/O port base, so select this option only for Malta.

Signed-off-by: Paul Burton

MIPS: Remove SLOW_DOWN_IO

2016-02-01T21:13:25+00:00

CONF_SLOWDOWN_IO is never set for any target, so remove the dead code in
the SLOW_DOWN_IO macro. This is done in preparation for changes to
mips_io_port_base which can be avoided in this path by removing it
entirely.

Signed-off-by: Paul Burton

mips: asm/io.h: Add in

2016-01-25T23:52:23+00:00

As part of the bug.h / BUILD_BUG_* clean up, this file was missed.

Signed-off-by: Tom Rini

MIPS: implement bit manipulating I/O accessors

2016-01-16T20:06:46+00:00

Add support for functions clrbits_X(), setbits_X() and clrsetbits_X()
on MIPS.

Signed-off-by: Daniel Schwierzeck

MIPS: fix SPDX license identifier in remaining arch header files

2016-01-16T20:06:46+00:00

Add a SPDX license identifier to MIPS header files where it is
still missing.

Signed-off-by: Daniel Schwierzeck

MIPS: sync processor and register definitions with linux-4.4

2016-01-16T20:06:46+00:00

Update definitions for processor, registers as well as assemby
macros.

Signed-off-by: Daniel Schwierzeck

MIPS: sync I/O related header files with linux-4.4

2016-01-16T20:06:46+00:00

Mainly sync asm/io.h to get a working ioremap() implementation
as well as the full set of I/O accessors. Pull in additional
header files to make this work.

Furthermore port over the directory 'arch/mips/include/asm/mach-generic/'
with contains default definitions for I/O and memory spaces and default
implementations for mapping those spaces. All files in that directory
can be overwritten by a SoC/machine.

Signed-off-by: Daniel Schwierzeck

MIPS: kconfig: add option for MIPS_L1_CACHE_SHIFT

2016-01-16T20:06:46+00:00

Add Kconfig symbol for L1 cache shift like the kernel does.
The value of CONFIG_SYS_CACHELINE_SIZE is not a reliable source
for ARCH_DMA_MINALIGN anymore, because it is optional on MIPS.
If CONFIG_SYS_CACHELINE_SIZE is not defined by a board, the
cache sizes are automatically detected and ARCH_DMA_MINALIGN
would be set to 128 Bytes.

The default value for CONFIG_MIPS_L1_CACHE_SHIFT is 5 which
corresponds to 32 Bytes. All current MIPS boards already used
that value. While on it, fix the Malta board to use a value of 6
like the kernel port does.

Signed-off-by: Daniel Schwierzeck

MIPS: au1x00: move SoC header files to arch/mips/mach-au1x00/include/mach/

2016-01-16T20:06:46+00:00

Signed-off-by: Daniel Schwierzeck