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MIPS: ath79: add black-swift board support 

Black Swift is a tiny coin-sized embedded computer based on AR9331 SoC.
See http://www.black-swift.com/ for details.

See also Black Swift kickstarter page:
  https://www.kickstarter.com/projects/1133560316/black-swift-tiny-wireless-computer

Signed-off-by: Antony Pavlov <antonynpavlov@gmail.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
This commit is contained in:
Antony Pavlov 2015-11-03 08:23:52 +03:00 committed by Sascha Hauer
parent 82bd8277f2
commit 770f98d3bf
6 changed files with 110 additions and 0 deletions
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1
arch/mips/Makefile
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@ -80,6 +80,7 @@ board-$(CONFIG_BOARD_NETGEAR_WG102) := netgear-wg102
machine-$(CONFIG_MACH_MIPS_ATH79) := ath79
board-$(CONFIG_BOARD_TPLINK_MR3020) := tplink-mr3020
board-$(CONFIG_BOARD_BLACK_SWIFT) := black-swift
machine-$(CONFIG_MACH_MIPS_BCM47XX) := bcm47xx
board-$(CONFIG_BOARD_DLINK_DIR320) := dlink-dir-320

1
arch/mips/boards/black-swift/Makefile Normal file
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@ -0,0 +1 @@
obj-y += board.o

27
arch/mips/boards/black-swift/board.c Normal file
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@ -0,0 +1,27 @@
/*
* Copyright (C) 2015 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.
*
*/
#include <common.h>
#include <init.h>
static int model_hostname_init(void)
{
barebox_set_hostname("black-swift");
return 0;
}
postcore_initcall(model_hostname_init);

41
arch/mips/boards/black-swift/include/board/board_pbl_start.h Normal file
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@ -0,0 +1,41 @@
/*
* Copyright (C) 2013, 2015 Antony Pavlov <antonynpavlov@gmail.com>
* Copyright (C) 2013 Oleksij Rempel <linux@rempel-privat.de>
*
* 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.
*
*/
#include <asm/pbl_macros.h>
#include <mach/pbl_macros.h>
#include <asm/pbl_nmon.h>
.macro board_pbl_start
.set push
.set noreorder
mips_barebox_10h
mips_disable_interrupts
pbl_ar9331_pll
pbl_ar9331_ddr2_config
pbl_ar9331_uart_enable
debug_ll_ar9331_init
mips_nmon
copy_to_link_location pbl_start
.set pop
.endm

34
arch/mips/dts/black-swift.dts Normal file
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@ -0,0 +1,34 @@
/dts-v1/;
#include "ar9331.dtsi"
/ {
model = "Black Swift";
compatible = "smartlx,black-swift";
memory {
reg = <0x00000000 0x4000000>;
};
aliases {
spiflash = &spiflash;
};
};
&serial0 {
status = "okay";
};
&spi {
num-chipselects = <1>;
status = "okay";
/* Winbond W25Q128FV SPI flash */
spiflash: m25p80@0 {
#address-cells = <1>;
#size-cells = <1>;
compatible = "m25p80";
spi-max-frequency = <104000000>;
reg = <0>;
};
};

6
arch/mips/mach-ath79/Kconfig
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@ -13,6 +13,12 @@ config BOARD_TPLINK_MR3020
select HAVE_IMAGE_COMPRESSION
select HAS_NMON
config BOARD_BLACK_SWIFT
bool "Black Swift"
select HAVE_PBL_IMAGE
select HAVE_IMAGE_COMPRESSION
select HAS_NMON
endchoice
endif