Commit graph

20 commits

Author SHA1 Message Date
Simon Glass
716cc8cc7f Change stub example to use asm-generic/sections.h
We can use the declarations of __bss_start and _end from this header
instead of declaring them locally.

Signed-off-by: Simon Glass <sjg@chromium.org>
2013-03-15 16:13:58 -04:00
Simon Glass
1865286466 Introduce generic link section.h symbol files
We create a separate header file for link symbols defined by the link
scripts. It is helpful to have these all in one place and try to
make them common across architectures. Since Linux already has a similar
file, we bring this in even though many of the symbols there are not
relevant to us.

Each architecture has its own asm/sections.h where symbols specifc to
that architecture can be added. For now everything except AVR32 just
includes the generic header.

One change is needed in arch/avr32/lib/board.c to make this conversion
work.

Reviewed-by: Tom Rini <trini@ti.com> (version 5)
Signed-off-by: Simon Glass <sjg@chromium.org>
2013-03-15 16:13:58 -04:00
Simon Glass
3929fb0a14 Replace __bss_end__ with __bss_end
Note this is a tree-wide change affecting multiple architectures.

At present we use __bss_start, but mostly __bss_end__. This seems
inconsistent and in a number of places __bss_end is used instead.

Change to use __bss_end for the BSS end symbol throughout U-Boot. This
makes it possible to use the asm-generic/sections.h file on all
archs.

Signed-off-by: Simon Glass <sjg@chromium.org>
2013-03-15 16:13:54 -04:00
Simon Glass
ea6bd08b77 nds32: Add a basic errno.h
This is available on other architectures, and nds32 will start to break
without it as code starts to use error numbers more.

Signed-off-by: Simon Glass <sjg@chromium.org>
2013-02-18 15:29:07 +08:00
Simon Glass
ee22c1a214 nds32: Use generic global_data
Move nds32 over to use generic global_data.

Signed-off-by: Simon Glass <sjg@chromium.org>
2013-02-04 09:05:46 -05:00
Simon Glass
37434783bb nds32: Drop tlb_addr from global data
This field doesn't appear to be used for anything important, so drop it.

Signed-off-by: Simon Glass <sjg@chromium.org>
2013-02-01 15:07:50 -05:00
Simon Glass
5cb48582ac Add architecture-specific global data
We plan to move architecture-specific data into a separate structure so
that we can make the rest of it common.

As a first step, create struct arch_global_data to hold these fields.
Initially it is empty.

This patch applies to all archs at once. I can split it if this is really
a pain.

Signed-off-by: Simon Glass <sjg@chromium.org>
2013-02-01 15:07:49 -05:00
Simon Glass
a25356d771 nds32: Change global data baudrate to int
This doesn't need to be a long, so change it.

Also adjust bi_baudrate to be unsigned.

Signed-off-by: Simon Glass <sjg@chromium.org>
Signed-off-by: Tom Rini <trini@ti.com>
2012-10-19 15:25:46 -07:00
Mike Frysinger
38230ee7bb nds32: drop bi_enetaddr from global data
Nothing is using this, so punt it from the gd.  Seems to just be a copy
& paste wart from the initial port.

Signed-off-by: Mike Frysinger <vapier@gentoo.org>
2012-08-11 00:43:28 +08:00
Mike Frysinger
47fde91f0c global_data: unify global flag defines
All the global flag defines are the same across all arches.  So unify them
in one place, and add a simple way for arches to extend for their needs.

Signed-off-by: Mike Frysinger <vapier@gentoo.org>
2012-08-09 21:46:32 +02:00
Mike Frysinger
50a47d0523 net: punt bd->bi_ip_addr
This field gets read in one place (by "bdinfo"), and we can replace
that with getenv("ipaddr").  After all, the bi_ip_addr field is kept
up-to-date implicitly with the value of the ipaddr env var.

Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Reviewed-by: Joe Hershberger <joe.hershberger@ni.com>
2012-05-15 17:32:05 -05:00
Macpaul Lin
1e52fea33a nds32/ag102: add header support of ag102 soc
Add device address offsets header of ag102 soc.
Add ag102 into mach-types.h.
Add asm-offsets.c for helping convert C headers into asm.

Signed-off-by: Macpaul Lin <macpaul@andestech.com>
2012-04-22 16:58:23 +08:00
Macpaul Lin
b0c4fae44a nds32: fix ptrace and interrupt register overflow
Fix ptrace and interrupt register overflow warning.
Add missing P0 and P1 (r26 and r27) into register lists.
These register are usually used in OS.

Signed-off-by: Macpaul Lin <macpaul@gmail.com>
2012-03-19 15:53:07 +08:00
Macpaul Lin
184e6f7db9 nds32: add linkage support
Add linkage support.

Signed-off-by: Macpaul Lin <macpaul@andestech.com>
2012-02-28 13:09:23 +08:00
Macpaul Lin
d21f6e583b nds32: enhance io.h for compatibility with periphals
Enhance io.h for periphals origin design on x86 systems.
For example, pci, ide, etc.

Signed-off-by: Macpaul Lin <macpaul@andestech.com>
2011-11-18 17:26:26 +08:00
Macpaul Lin
6cb144bc26 adp-ag101p: Add SoC and board support of ag101p
Add softcore SoC ag101p and the board adp-ag101p support.

Signed-off-by: Macpaul Lin <macpaul@andestech.com>
2011-11-10 10:46:54 +08:00
Macpaul Lin
a53ef5e4ba nds32: asm/io.h: add __iormb __iowmb and inline io support
1. This patch add required __iormb and __iowmb to io.h.
   This also fix some misbehavior to periphal drivers.
   This io.h has been fixed with referencing arm/include/asm/io.h.
2. This patch replaced macro writeb and readb into inline function.

Signed-off-by: Macpaul Lin <macpaul@andestech.com>
2011-11-01 12:47:30 +08:00
Macpaul Lin
466e73b19b nds32: cache: define ARCH_DMA_MINALIGN for DMA buffer alignment
Add ARCH_DMA_MINALIGN definition to asm/cache.h

Signed-off-by: Macpaul Lin <macpaul@andestech.com>
2011-11-01 12:47:17 +08:00
Macpaul Lin
445a886d7a nds32/ag101: cpu and init funcs of SoC ag101
SoC ag101 is the first chip using NDS32 N1213 cpu core.
Add header file of device offset support for SoC ag101.
Add main function of SoC ag101 based on NDS32 n1213 core.
Add lowlevel_init.S and other periphal related code.

This version of lowlevel_init.S also replace hardcode value
by MARCO defines from the GPL version andesboot for better
code quality.

Signed-off-by: Macpaul Lin <macpaul@andestech.com>
2011-10-22 00:52:51 +02:00
Macpaul Lin
00f892fcc9 nds32: add header files support for nds32
Add generic header files support for nds32 architecture.
Cache, ptregs, data type and other definitions are included.

Signed-off-by: Macpaul Lin <macpaul@andestech.com>
2011-10-22 00:51:37 +02:00