apritzel

##############################
# test output mainline kernel
##############################
$ ./test_timer 
TAP version 13
# number of cores: 4
ok 1 same timer frequency on all cores
# timer frequency is 24000000 Hz (24 MHz)
# time1: eb447fff, time2: eb444000, diff: -16383
# time1: eb44efff, time2: eb44e800, diff: -2047

apritzel

From 48be8001e507a0bd431b4f8186a95d11ddc6ee36 Mon Sep 17 00:00:00 2001
From: Andre Przywara <[email protected]>
Date: Wed, 23 Nov 2016 00:35:01 +0000
Subject: [PATCH] sunxi: add SPL FEL button

Some of the newer Allwinner boards that come with SPI flash soldered
are missing an easy way to trigger the USB-OTG FEL boot mode.
On most boards without eMMC FEL mode is entered when there is no SD card
found, boards with eMMC typically feature a hardware FEL button.
Now some boards like newer boards from OrangePi have no eMMC, but have a SPI

apritzel

#!/bin/sh

grep -n '^ *'$'\t' "$1" && echo "^^^ tabs"
grep -n 'if(' "$1" && echo "^^^ no space after if"
grep -n 'if ([^ ]' "$1" && echo "^^^ no space after if ("
grep -n 'while(' "$1" && echo "^^^ no space after while"
grep -n 'while ([^ ]' "$1" && echo "^^^ no space after while ("
grep -n 'for(' "$1" && echo "^^^ no space after for"
grep -n 'for ([^ ]' "$1" && echo "^^^ no space after for ("
grep -n '[ ]*[^ ].*{$' "$1" && echo "^^^ opening bracket at the end of line"

apritzel

sunxi boot monitor v0.1
Allwinner A64 SoC detected.
Booted from FEL
128Mbit SPI flash detected.
(No SD card detection yet.)
(No eMMC detection yet).
Use "help" for a list of commands.

# help
help

apritzel

U-Boot SPL 2016.11-rc3-00019-g5c2dad5-dirty (Nov 11 2016 - 01:27:06)
DRAM:DRAM BOOT DRIVE INFO: V0.6
the chip id is 0x1
the chip id is 0x1
the chip id is 0x1
the chip id is 0x1
the chip id is 0x1
DRAM CLK =672 MHZ
DRAM Type =3 (2:DDR2,3:DDR3,6:LPDDR2,7:LPDDR3)
DRAM zq value: 0x3b3bf9

apritzel

#!/bin/sh

send() {
	read -d\# line
	echo "$1"
}

# kick u-boot to tickle the prompt and get the state machine going
echo "printenv bootcmd"
read line

apritzel

/*
 * Copyright (C) 2016 ARM Ltd.
 * based on the Allwinner H3 dtsi:
 *    Copyright (C) 2015 Jens Kuske <[email protected]>
 *
 * This file is dual-licensed: you can use it either under the terms
 * of the GPL or the X11 license, at your option. Note that this dual
 * licensing only applies to this file, and not this project as a
 * whole.
 *

apritzel

/*
 * Copyright (C) 2016 ARM Ltd.
 * based on the Allwinner H3 dtsi:
 *    Copyright (C) 2015 Jens Kuske <[email protected]>
 *
 * This file is dual-licensed: you can use it either under the terms
 * of the GPL or the X11 license, at your option. Note that this dual
 * licensing only applies to this file, and not this project as a
 * whole.
 *

apritzel

From fbf6111be9ee89afb1a0c47363693dbab96b7d50 Mon Sep 17 00:00:00 2001
From: Andre Przywara <[email protected]>
Date: Wed, 28 Jul 2016 21:52:51 +0100
Subject: [PATCH] net: sun8i-emac: fix endianness issues

The network MAC in recent Allwinner SoCs uses an internal DMA controller,
which gets its information from DMA descriptors in normal memory.
The device expects the values in there to be in little-endian format.
Since we use normal memory accesses to fill those DMA descriptors, we
must wrap write accesses to these descriptors with cpu_to_le32() calls

apritzel

#include <stdio.h>
#include <stdlib.h>
#include <stdint.h>
#include <inttypes.h>
#include <stdbool.h>
#include <fcntl.h>
#include <errno.h>
#include <unistd.h>
#include <getopt.h>
#include <sys/mman.h>