[U-Boot] [PATCH 3/8] xtensa: add core information for the dc232b processor
Max Filippov
jcmvbkbc at gmail.com
Fri Jul 15 01:15:46 CEST 2016
Hi Simon,
On Tue, Jul 12, 2016 at 03:56:46PM -0600, Simon Glass wrote:
> On 8 July 2016 at 09:42, Max Filippov <jcmvbkbc at gmail.com> wrote:
> > From: Chris Zankel <chris at zankel.net>
>
> Commit message?
Ok, will add.
> >
> > Signed-off-by: Chris Zankel <chris at zankel.net>
> > Signed-off-by: Max Filippov <jcmvbkbc at gmail.com>
> > ---
> > arch/xtensa/include/asm/arch-dc232b/core.h | 422 ++++++++++++++++++++++++++
> > arch/xtensa/include/asm/arch-dc232b/tie-asm.h | 120 ++++++++
> > arch/xtensa/include/asm/arch-dc232b/tie.h | 129 ++++++++
> > 3 files changed, 671 insertions(+)
> > create mode 100644 arch/xtensa/include/asm/arch-dc232b/core.h
> > create mode 100644 arch/xtensa/include/asm/arch-dc232b/tie-asm.h
> > create mode 100644 arch/xtensa/include/asm/arch-dc232b/tie.h
>
> Reviewed-by: Simon Glass <sjg at chromium.org>
>
> nits below.
>
> >
> > diff --git a/arch/xtensa/include/asm/arch-dc232b/core.h b/arch/xtensa/include/asm/arch-dc232b/core.h
> > new file mode 100644
> > index 0000000..7fd1aee
> > --- /dev/null
> > +++ b/arch/xtensa/include/asm/arch-dc232b/core.h
> > @@ -0,0 +1,422 @@
> > +/*
> > + * Xtensa processor core configuration information.
> > + *
> > + * Copyright (c) 1999-2007 Tensilica Inc.
> > + *
> > + * SPDX-License-Identifier: GPL-2.0+
> > + */
> > +
> > +#ifndef _XTENSA_CORE_CONFIGURATION_H
> > +#define _XTENSA_CORE_CONFIGURATION_H
> > +
> > +
> > +/****************************************************************************
> > + Parameters Useful for Any Code, USER or PRIVILEGED
> > + ****************************************************************************/
> > +
> > +/*
> > + * Note: Macros of the form XCHAL_HAVE_*** have a value of 1 if the option is
> > + * configured, and a value of 0 otherwise. These macros are always defined.
> > + */
> > +
> > +
> > +/*----------------------------------------------------------------------
> > + ISA
> > + ----------------------------------------------------------------------*/
> > +
> > +#define XCHAL_HAVE_BE 0 /* big-endian byte ordering */
> > +#define XCHAL_HAVE_WINDOWED 1 /* windowed registers option */
> > +#define XCHAL_NUM_AREGS 32 /* num of physical addr regs */
> > +#define XCHAL_NUM_AREGS_LOG2 5 /* log2(XCHAL_NUM_AREGS) */
> > +#define XCHAL_MAX_INSTRUCTION_SIZE 3 /* max instr bytes (3..8) */
> > +#define XCHAL_HAVE_DEBUG 1 /* debug option */
> > +#define XCHAL_HAVE_DENSITY 1 /* 16-bit instructions */
> > +#define XCHAL_HAVE_LOOPS 1 /* zero-overhead loops */
> > +#define XCHAL_HAVE_NSA 1 /* NSA/NSAU instructions */
> > +#define XCHAL_HAVE_MINMAX 1 /* MIN/MAX instructions */
> > +#define XCHAL_HAVE_SEXT 1 /* SEXT instruction */
> > +#define XCHAL_HAVE_CLAMPS 1 /* CLAMPS instruction */
> > +#define XCHAL_HAVE_MUL16 1 /* MUL16S/MUL16U instructions */
> > +#define XCHAL_HAVE_MUL32 1 /* MULL instruction */
> > +#define XCHAL_HAVE_MUL32_HIGH 0 /* MULUH/MULSH instructions */
> > +#define XCHAL_HAVE_DIV32 1 /* QUOS/QUOU/REMS/REMU instructions */
> > +#define XCHAL_HAVE_L32R 1 /* L32R instruction */
> > +#define XCHAL_HAVE_ABSOLUTE_LITERALS 1 /* non-PC-rel (extended) L32R */
> > +#define XCHAL_HAVE_CONST16 0 /* CONST16 instruction */
> > +#define XCHAL_HAVE_ADDX 1 /* ADDX#/SUBX# instructions */
> > +#define XCHAL_HAVE_WIDE_BRANCHES 0 /* B*.W18 or B*.W15 instr's */
> > +#define XCHAL_HAVE_PREDICTED_BRANCHES 0 /* B[EQ/EQZ/NE/NEZ]T instr's */
> > +#define XCHAL_HAVE_CALL4AND12 1 /* (obsolete option) */
> > +#define XCHAL_HAVE_ABS 1 /* ABS instruction */
> > +/*#define XCHAL_HAVE_POPC 0*/ /* POPC instruction */
> > +/*#define XCHAL_HAVE_CRC 0*/ /* CRC instruction */
> > +#define XCHAL_HAVE_RELEASE_SYNC 1 /* L32AI/S32RI instructions */
> > +#define XCHAL_HAVE_S32C1I 1 /* S32C1I instruction */
> > +#define XCHAL_HAVE_SPECULATION 0 /* speculation */
> > +#define XCHAL_HAVE_FULL_RESET 1 /* all regs/state reset */
> > +#define XCHAL_NUM_CONTEXTS 1 /* */
> > +#define XCHAL_NUM_MISC_REGS 2 /* num of scratch regs (0..4) */
> > +#define XCHAL_HAVE_TAP_MASTER 0 /* JTAG TAP control instr's */
> > +#define XCHAL_HAVE_PRID 1 /* processor ID register */
> > +#define XCHAL_HAVE_THREADPTR 1 /* THREADPTR register */
> > +#define XCHAL_HAVE_BOOLEANS 0 /* boolean registers */
> > +#define XCHAL_HAVE_CP 1 /* CPENABLE reg (coprocessor) */
> > +#define XCHAL_CP_MAXCFG 8 /* max allowed cp id plus one */
> > +#define XCHAL_HAVE_MAC16 1 /* MAC16 package */
> > +#define XCHAL_HAVE_VECTORFPU2005 0 /* vector floating-point pkg */
> > +#define XCHAL_HAVE_FP 0 /* floating point pkg */
> > +#define XCHAL_HAVE_VECTRA1 0 /* Vectra I pkg */
> > +#define XCHAL_HAVE_VECTRALX 0 /* Vectra LX pkg */
> > +#define XCHAL_HAVE_HIFI2 0 /* HiFi2 Audio Engine pkg */
> > +
> > +
> > +/*----------------------------------------------------------------------
>
> Do we need all these lines and stars?
These files are autogenerated, so I tried to avoid editing them.
Sure I can remove these lines and start if absolutely necessary.
--
Thanks.
-- Max
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