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Merge tag 'bcm63138-v4' of http://github.com/brcm/linux into next/soc

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Merge "ARM: BCM: Broadcom BCM63138 support" from Florian Fainelli:

This patchset adds very minimal support for the BCM63138 SoC which is
a xDSL SoC using a dual Cortex A9 CPU complex.

* tag 'bcm63138-v4' of http://github.com/brcm/linux:
  MAINTAINERS: add entry for the Broadcom BCM63xx ARM SoCs
  ARM: BCM63XX: add BCM963138DVT Reference platform DTS
  ARM: BCM63XX: add BCM63138 minimal Device Tree
  ARM: BCM63XX: add low-level UART debug support
  ARM: BCM63XX: add basic support for the Broadcom BCM63138 DSL SoC

Conflicts:
	arch/arm/Kconfig.debug

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
This commit is contained in:
Arnd Bergmann
2014-09-25 23:48:18 +02:00
parent 57e33ff1db e076e96227
commit e1e85e76ef
10 changed files with 278 additions and 2 deletions
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33
arch/arm/include/debug/bcm63xx.S Normal file
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/*
* Broadcom BCM63xx low-level UART debug
*
* Copyright (C) 2014 Broadcom Corporation
*
* 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.
*/
#include <linux/serial_bcm63xx.h>
.macro addruart, rp, rv, tmp
ldr \rp, =CONFIG_DEBUG_UART_PHYS
ldr \rv, =CONFIG_DEBUG_UART_VIRT
.endm
.macro senduart, rd, rx
/* word access do not work */
strb \rd, [\rx, #UART_FIFO_REG]
.endm
.macro waituart, rd, rx
1001: ldr \rd, [\rx, #UART_IR_REG]
tst \rd, #(1 << UART_IR_TXEMPTY)
beq 1001b
.endm
.macro busyuart, rd, rx
1002: ldr \rd, [\rx, #UART_IR_REG]
tst \rd, #(1 << UART_IR_TXTRESH)
beq 1002b
.endm