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From: Sergei Shtylyov <sshtylyov@mvista.com>
To: Florian Fainelli <florian@openwrt.org>
Cc: John Crispin <blogic@openwrt.org>,
	Ralf Baechle <ralf@linux-mips.org>,
	linux-mips@linux-mips.org
Subject: Re: [RFC 08/11] MIPS: ralink: adds early_printk support
Date: Thu, 24 Jan 2013 01:54:48 +0400	[thread overview]
Message-ID: <51005C28.4050002@mvista.com> (raw)
In-Reply-To: <510038A8.6020606@openwrt.org>

Hello.

On 23-01-2013 23:23, Florian Fainelli wrote:

>> Add the code needed to make early printk work.

>> Signed-off-by: John Crispin <blogic@openwrt.org>
>> ---
>>   arch/mips/ralink/early_printk.c |   43
>> +++++++++++++++++++++++++++++++++++++++
>>   1 file changed, 43 insertions(+)
>>   create mode 100644 arch/mips/ralink/early_printk.c

>> diff --git a/arch/mips/ralink/early_printk.c b/arch/mips/ralink/early_printk.c
>> new file mode 100644
>> index 0000000..c610084
>> --- /dev/null
>> +++ b/arch/mips/ralink/early_printk.c
>> @@ -0,0 +1,43 @@
>> +/*
>> + *  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.
>> + *
>> + *  Copyright (C) 2011-2012 Gabor Juhos <juhosg@openwrt.org>
>> + */
>> +
>> +#include <linux/io.h>
>> +#include <linux/serial_reg.h>
>> +
>> +#include <asm/addrspace.h>
>> +
>> +/* UART registers */
>> +#define EARLY_UART_BASE         0x10000c00
>> +
>> +#define UART_REG_RX             0
>> +#define UART_REG_TX             1
>> +#define UART_REG_IER            2
>> +#define UART_REG_IIR            3
>> +#define UART_REG_FCR            4
>> +#define UART_REG_LCR            5
>> +#define UART_REG_MCR            6
>> +#define UART_REG_LSR            7

> Is that really required considering that you already include serial_reg.h and
> could use defines from there?

    Off the top of my head, these #define's are not quite compatible with 
standard 8250 registers.

WBR, Sergei

  reply	other threads:[~2013-01-23 21:55 UTC|newest]

Thread overview: 31+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-01-23 12:05 [RFC 00/11] MIPS: ralink: adds support for ralink platform John Crispin
2013-01-23 12:05 ` [RFC 01/11] MIPS: allow platforms to override cp0_compare_irq John Crispin
     [not found]   ` <5101043A.6080009@openwrt.org>
2013-01-24 10:00     ` John Crispin
2013-01-23 12:05 ` [RFC 02/11] MIPS: ralink: adds include files John Crispin
2013-01-24 10:34   ` Gabor Juhos
2013-01-23 12:05 ` [RFC 03/11] MIPS: ralink: adds irq code John Crispin
2013-01-24 10:44   ` Gabor Juhos
2013-01-23 12:05 ` [RFC 04/11] MIPS: ralink: adds reset code John Crispin
2013-01-23 12:05 ` [RFC 05/11] MIPS: ralink: adds prom and cmdline code John Crispin
2013-01-24 11:52   ` Gabor Juhos
2013-01-23 12:05 ` [RFC 06/11] MIPS: ralink: adds clkdev code John Crispin
2013-01-23 12:05 ` [RFC 07/11] MIPS: ralink: adds OF code John Crispin
2013-01-24 13:20   ` Gabor Juhos
2013-01-23 12:05 ` [RFC 08/11] MIPS: ralink: adds early_printk support John Crispin
2013-01-23 19:23   ` Florian Fainelli
2013-01-23 21:54     ` Sergei Shtylyov [this message]
2013-01-23 22:15   ` Sergei Shtylyov
2013-01-24  6:57     ` John Crispin
2013-01-24  7:23       ` John Crispin
2013-01-24  7:25         ` John Crispin
2013-01-24  9:58           ` Florian Fainelli
2013-01-24 12:02       ` Sergei Shtylyov
2013-01-24 12:11   ` Gabor Juhos
2013-01-23 12:05 ` [RFC 09/11] MIPS: ralink: adds support for RT305x SoC family John Crispin
2013-01-24 12:27   ` Gabor Juhos
2013-01-23 12:05 ` [RFC 10/11] MIPS: ralink: adds rt305x devicetree John Crispin
2013-01-24 13:52   ` Gabor Juhos
2013-01-23 12:05 ` [RFC 11/11] MIPS: ralink: adds Kbuild files John Crispin
2013-01-24 13:59   ` Gabor Juhos
2013-01-24 15:06     ` John Crispin
2013-01-23 19:25 ` [RFC 00/11] MIPS: ralink: adds support for ralink platform Florian Fainelli

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