On 10:22 Fri 01 Mar , Lucas Stach wrote:
> Without some kind of initialisation those LL debug functions are mostly
> useless. We might want them when booting from the AVP, but for this to
> work they need some serious rework, so move them out of the way for now.
>
> Signed-off-by: Lucas Stach <dev@xxxxxxxxxx>
NACK
this is usefull for second stage
> ---
> arch/arm/Kconfig | 1 -
> arch/arm/mach-tegra/include/mach/debug_ll.h | 42 -----------------------------
> 2 files changed, 43 deletions(-)
> delete mode 100644 arch/arm/mach-tegra/include/mach/debug_ll.h
>
> diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
> index 28332ec..0ae2daa 100644
> --- a/arch/arm/Kconfig
> +++ b/arch/arm/Kconfig
> @@ -108,7 +108,6 @@ config ARCH_VERSATILE
> config ARCH_TEGRA
> bool "Nvidia Tegra-based boards"
> select CPU_ARM926T
> - select HAS_DEBUG_LL
>
> endchoice
>
> diff --git a/arch/arm/mach-tegra/include/mach/debug_ll.h b/arch/arm/mach-tegra/include/mach/debug_ll.h
> deleted file mode 100644
> index 4a54e44..0000000
> --- a/arch/arm/mach-tegra/include/mach/debug_ll.h
> +++ /dev/null
> @@ -1,42 +0,0 @@
> -/*
> - * Copyright (C) 2011 Antony Pavlov <antonynpavlov@xxxxxxxxx>
> - *
> - * This file is part of barebox.
> - * See file CREDITS for list of people who contributed to this project.
> - *
> - * This program is free software; you can redistribute it and/or modify
> - * it under the terms of the GNU General Public License version 2
> - * as published by the Free Software Foundation.
> - *
> - * 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.
> - *
> - */
> -
> -/** @file
> - * This File contains declaration for early output support
> - */
> -#ifndef __INCLUDE_ARCH_DEBUG_LL_H__
> -#define __INCLUDE_ARCH_DEBUG_LL_H__
> -
> -#include <asm/io.h>
> -#include <mach/tegra20-silicon.h>
> -
> -#define DEBUG_LL_UART_ADDR TEGRA_UARTA_BASE
> -#define DEBUG_LL_UART_RSHFT 2
> -
> -#define rbr (0 << DEBUG_LL_UART_RSHFT)
> -#define lsr (5 << DEBUG_LL_UART_RSHFT)
> -#define LSR_THRE 0x20 /* Xmit holding register empty */
> -
> -static inline void PUTC_LL(char ch)
> -{
> - while (!(__raw_readb(DEBUG_LL_UART_ADDR + lsr) & LSR_THRE))
> - ;
> -
> - __raw_writeb(ch, DEBUG_LL_UART_ADDR + rbr);
> -}
> -
> -#endif /* __INCLUDE_ARCH_DEBUG_LL_H__ */
> --
> 1.8.1.2
>
>
> _______________________________________________
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> barebox@xxxxxxxxxxxxxxxxxxx
> http://lists.infradead.org/mailman/listinfo/barebox
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