Commit graph

16 commits

Author SHA1 Message Date
Thomas Chou
857b9cb69f nios2: rebase nios2-generic board to 3c120 reference design
Though nios2-generic board meant to be a template, it is helpful
to be able to test on a real hardware. As the nios2 linux is
developed and tested on a 3c120 FPGA based Golden Hardware Reference
Design, it makes sense to rebase nios2-generic on this FPGA design.

Signed-off-by: Thomas Chou <thomas@wytron.com.tw>
2014-08-30 17:48:43 +08:00
Thomas Chou
5ff10aa7e7 nios2: add generic board support
This patch implements the generic board init as described in
doc/README.generic-board.

Signed-off-by: Thomas Chou <thomas@wytron.com.tw>
Signed-off-by: Scott McNutt <smcnutt@psyent.com>
Reviewed-by: Stefan Roese <sr@denx.de>
2014-08-24 11:28:10 +08:00
Rob Herring
f232950f82 config: remove platform CONFIG_SYS_HZ definition part 2/2
Remove platform CONFIG_SYS_HZ definition for configs a-z*.

Signed-off-by: Rob Herring <rob.herring@calxeda.com>
2013-11-04 11:06:16 -05:00
Rob Herring
0defddc851 config: Add a default CONFIG_SYS_PROMPT
The definitions for CONFIG_SYS_PROMPT are varied with little reason other
than to display the board name. Over half the definitions are "==> ", so
make this the default. The rest of the boards remain unchanged to avoid
breaking any external scripts expecting a certain prompt.

Signed-off-by: Rob Herring <rob.herring@calxeda.com>
Reviewed-by: Fabio Estevam <fabio.estevam@freescale.com>
2013-11-04 11:02:14 -05:00
Wolfgang Denk
3765b3e7bd Coding Style cleanup: remove trailing white space
Signed-off-by: Wolfgang Denk <wd@denx.de>
2013-10-14 16:06:53 -04:00
Wolfgang Denk
1a4596601f Add GPL-2.0+ SPDX-License-Identifier to source files
Signed-off-by: Wolfgang Denk <wd@denx.de>
[trini: Fixup common/cmd_io.c]
Signed-off-by: Tom Rini <trini@ti.com>
2013-07-24 09:44:38 -04:00
Thomas Chou
db71964235 nios2: remove asm/status_led.h
The file has a wrong inline keyword of __led_toggle(), which causes
compilation error. And its content is defined in common status_led.h.
So define CONFIG_BOARD_SPECIFIC_LED in board config files and remove
this header file.

Signed-off-by: Thomas Chou <thomas@wytron.com.tw>
2012-11-10 19:45:58 +08:00
Thomas Chou
7dfb060291 nios2: move gd and bd into BSS
As suggested by Graeme Russ, move gd and bd data structrures
to BSS instead of calculating the locations around the stack
and heap.

Signed-off-by: Thomas Chou <thomas@wytron.com.tw>
Acked-by: Mike Frysinger <vapier@gentoo.org>
2012-07-16 09:51:12 +08:00
Tom Rini
219f4788d3 hush.c: Move default CONFIG_SYS_PROMPT_HUSH_PS2 to hush.c
Exactly one board has defined CONFIG_SYS_PROMPT_HUSH_PS2 to a value
different than "> " which is vision2.  I have Cc'd the maintainer here
as I strongly suspect this is a bug rather than intentional behavior.

Cc: Stefano Babic <sbabic@denx.de>
Signed-off-by: Tom Rini <trini@ti.com>
Acked-by: Stefano Babic <sbabic@denx.de>
2012-06-20 20:36:51 +02:00
Alex Hornung
bb60db634c nios2 - adjust gbl data off to account for bd_info
* Adjust the GBL_DATA_OFFSET to account for the fact that we'll be
   using the space between that offset and the start of the malloc
   region to allocate both a gd structure and a board info structure.

 * This fixes a memory corruption bug due to overlap of the malloc
   region and the bd_info structure.

Signed-off-by: Alex Hornung <alex@alexhornung.com>
Signed-off-by: Thomas Chou <thomas@wytron.com.tw>
2012-02-24 10:18:34 +08:00
Joachim Foerster
df969b5ffd board/nios2-generic: Use altera_pio driver and remove board specific driver
Signed-off-by: Joachim Foerster <joachim.foerster@missinglinkelectronics.com>
Signed-off-by: Thomas Chou <thomas@wytron.com.tw>
2011-10-28 09:51:19 +08:00
Mike Frysinger
31a4f1e5b6 board configs: drop NET_MULTI references
Now that none of the core checks CONFIG_NET_MULTI, there's not much point
in boards defining it.  So scrub all references to it.

Signed-off-by: Mike Frysinger <vapier@gentoo.org>
2011-10-05 22:22:16 +02:00
Graeme Russ
e110c4fe44 Timer: Allow reset_timer() only for systems with low resolution timers 2011-07-26 14:52:53 +02:00
Wolfgang Denk
25ddd1fb0a Replace CONFIG_SYS_GBL_DATA_SIZE by auto-generated value
CONFIG_SYS_GBL_DATA_SIZE has always been just a bad workarond for not
being able to use "sizeof(struct global_data)" in assembler files.
Recent experience has shown that manual synchronization is not
reliable enough.  This patch renames CONFIG_SYS_GBL_DATA_SIZE into
GENERATED_GBL_DATA_SIZE which gets automatically generated by the
asm-offsets tool.  In the result, all definitions of this value can be
deleted from the board config files.  We have to make sure that all
files that reference such data include the new <asm-offsets.h> file.

No other changes have been done yet, but it is obvious that similar
changes / simplifications can be done for other, related macro
definitions as well.

Signed-off-by: Wolfgang Denk <wd@denx.de>
Acked-by: Kumar Gala <galak@kernel.crashing.org>
2010-10-26 21:05:30 +02:00
Thomas Chou
1e8e9bad2d nios2: add gpio support to nios2-generic board
This patch adds gpio support of Altera PIO component to the
nios2-generic board. Though it drives only gpio_led at the
moment, it supports bidirectional port to control bit-banging
I2C, NAND flash busy status or button switches, etc.

Signed-off-by: Thomas Chou <thomas@wytron.com.tw>
Tested-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Scott McNutt <smcnutt@psyent.com>
2010-05-28 10:56:03 -04:00
Thomas Chou
8cbb0ddd7e nios2: add nios2-generic board
This is a generic approach to port u-boot for nios2 boards.
You may find the usage of this approach on the nioswiki,
http://nioswiki.com/DasUBoot

A fpga parameter file, which contains base address information
and drivers declaration, is generated from Altera's hardware system
description sopc file using tools.

The example fpga parameter file is compatible with EP1C20, EP1S10
and EP1S40 boards. So these boards can be removed after this commit.
Though epcs controller is removed to cut the dependency of altera_spi
driver.

Signed-off-by: Thomas Chou <thomas@wytron.com.tw>
Signed-off-by: Scott McNutt <smcnutt@psyent.com>
2010-04-24 18:21:23 -04:00