From: Sascha Hauer <s.hauer@pengutronix.de>
To: Antony Pavlov <antonynpavlov@gmail.com>
Cc: barebox@lists.infradead.org
Subject: Re: [RFC 1/5] MIPS: add common header file for DEBUG_LL via NS16550
Date: Fri, 11 May 2012 09:20:13 +0200 [thread overview]
Message-ID: <20120511072013.GZ27341@pengutronix.de> (raw)
In-Reply-To: <1336642330-23675-2-git-send-email-antonynpavlov@gmail.com>
On Thu, May 10, 2012 at 01:32:06PM +0400, Antony Pavlov wrote:
> Signed-off-by: Antony Pavlov <antonynpavlov@gmail.com>
> ---
> arch/mips/include/debug_ll_common.h | 40 +++++++++++++++++++++++++++++++++++
> 1 file changed, 40 insertions(+)
> create mode 100644 arch/mips/include/debug_ll_common.h
>
> diff --git a/arch/mips/include/debug_ll_common.h b/arch/mips/include/debug_ll_common.h
Does that mean that every mips has a ns16550? If not the file should
have 16550 in its name.
Sascha
> new file mode 100644
> index 0000000..7c26f54
> --- /dev/null
> +++ b/arch/mips/include/debug_ll_common.h
> @@ -0,0 +1,40 @@
> +/*
> + * Copyright (C) 2012 Antony Pavlov <antonynpavlov@gmail.com>
> + *
> + * 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.
> + *
> + * You should have received a copy of the GNU General Public License
> + * along with this program; if not, write to the Free Software
> + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
> + */
> +
> +/** @file
> + * This file contains declaration for early output support
> + */
> +#ifndef __INCLUDE_ARCH_DEBUG_LL_COMMON_H__
> +#define __INCLUDE_ARCH_DEBUG_LL_COMMON_H__
> +
> +#include <asm/io.h>
> +
> +#define rbr (0 << DEBUG_LL_UART_SHIFT)
> +#define lsr (5 << DEBUG_LL_UART_SHIFT)
> +
> +#define LSR_THRE 0x20 /* Xmit holding register empty */
> +
> +static __inline__ void putc(char ch)
> +{
> + while (!(__raw_readb((u8 *)DEBUG_LL_UART_ADDR + lsr) & LSR_THRE));
> + __raw_writeb(ch, (u8 *)DEBUG_LL_UART_ADDR + rbr);
> +}
> +
> +#endif /* __INCLUDE_ARCH_DEBUG_LL_COMMON_H__ */
> --
> 1.7.10
>
>
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> barebox@lists.infradead.org
> http://lists.infradead.org/mailman/listinfo/barebox
>
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next prev parent reply other threads:[~2012-05-11 7:21 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-05-10 9:32 [RFC 0/5] MIPS: add XBurst processor family support Antony Pavlov
2012-05-10 9:32 ` [RFC 1/5] MIPS: add common header file for DEBUG_LL via NS16550 Antony Pavlov
2012-05-11 7:20 ` Sascha Hauer [this message]
2012-05-11 9:11 ` Antony Pavlov
2012-05-10 9:32 ` [RFC 2/5] MIPS: add XBurst processor family support Antony Pavlov
2012-05-10 9:32 ` [RFC 3/5] MISP: XBurst: add JZ4755 CPU support Antony Pavlov
2012-05-10 9:32 ` [RFC 4/5] MIPS: XBurst: add Ritmix RZX-50 board support Antony Pavlov
2012-05-10 16:31 ` Jean-Christophe PLAGNIOL-VILLARD
2012-05-10 9:32 ` [RFC 5/5] MIPS: add defconfig for Ritmix RZX-50 board Antony Pavlov
2012-05-11 7:26 ` [RFC 0/5] MIPS: add XBurst processor family support Sascha Hauer
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