[PATCH 1/4] arm: add errata workarounds

[Sascha Hauer]

On Wed, Jun 25, 2014 at 09:18:18AM +0200, Lucas Stach wrote:
> From: Lucas Stach <l.stach at pengutronix.de>
> 
> Header only implementation, so they can be pulled
> into the individual SoC cpu init functions.
> 
> Signed-off-by: Lucas Stach <l.stach at pengutronix.de>

Applied, thanks

Sascha

> ---
>  arch/arm/include/asm/errata.h | 67 +++++++++++++++++++++++++++++++++++++++++++
>  1 file changed, 67 insertions(+)
>  create mode 100644 arch/arm/include/asm/errata.h
> 
> diff --git a/arch/arm/include/asm/errata.h b/arch/arm/include/asm/errata.h
> new file mode 100644
> index 0000000..e2ffd87
> --- /dev/null
> +++ b/arch/arm/include/asm/errata.h
> @@ -0,0 +1,67 @@
> +/*
> + * Copyright (C) 2014 Lucas Stach, Pengutronix
> + *
> + * 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.
> + */
> +
> +static inline void enable_arm_errata_716044_war(void)
> +{
> +	__asm__ __volatile__ (
> +		"mrc	p15, 0, r0, c1, c0, 0\n"
> +		"orr	r0, r0, #1 << 11\n"
> +		"mcr	p15, 0, r0, c1, c0, 0\n"
> +	);
> +}
> +
> +static inline void enable_arm_errata_742230_war(void)
> +{
> +	__asm__ __volatile__ (
> +		"mrc	p15, 0, r0, c15, c0, 1\n"
> +		"orr	r0, r0, #1 << 4\n"
> +		"mcr	p15, 0, r0, c15, c0, 1\n"
> +	);
> +}
> +
> +static inline void enable_arm_errata_743622_war(void)
> +{
> +	__asm__ __volatile__ (
> +		"mrc	p15, 0, r0, c15, c0, 1\n"
> +		"orr	r0, r0, #1 << 6\n"
> +		"mcr	p15, 0, r0, c15, c0, 1\n"
> +	);
> +}
> +
> +static inline void enable_arm_errata_751472_war(void)
> +{
> +	__asm__ __volatile__ (
> +		"mrc	p15, 0, r0, c15, c0, 1\n"
> +		"orr	r0, r0, #1 << 11\n"
> +		"mcr	p15, 0, r0, c15, c0, 1\n"
> +	);
> +}
> +
> +static inline void enable_arm_errata_761320_war(void)
> +{
> +	__asm__ __volatile__ (
> +		"mrc	p15, 0, r0, c15, c0, 1\n"
> +		"orr	r0, r0, #1 << 21\n"
> +		"mcr	p15, 0, r0, c15, c0, 1\n"
> +	);
> +}
> +
> +static inline void enable_arm_errata_794072_war(void)
> +{
> +	__asm__ __volatile__ (
> +		"mrc	p15, 0, r0, c15, c0, 1\n"
> +		"orr	r0, r0, #1 << 4\n"
> +		"mcr	p15, 0, r0, c15, c0, 1\n"
> +	);
> +}
> -- 
> 1.9.3
> 
> 
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