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13 commits

Author SHA1 Message Date
Stefano Babic
1cad23c5f4 Merge branch 'master' of git://git.denx.de/u-boot-arm into master
Conflicts:
	arch/arm/cpu/arm926ejs/mxs/mxsimage.mx23.cfg
	arch/arm/cpu/arm926ejs/mxs/mxsimage.mx28.cfg

Signed-off-by: Stefano Babic <sbabic@denx.de>
2014-04-04 11:35:30 +02:00
Marek Vasut
97334c6616 arm: mx5: Avoid hardcoding memory sizes on M53EVK
The DRAM size can be easily detected at runtime on i.MX53. Implement
such detection on M53EVK and adjust the rest of the macros accordingly
to use the detected values.

An important thing to note here is that we had to override the function
for trimming the effective DRAM address, get_effective_memsize(). That
is because the function uses CONFIG_MAX_MEM_MAPPED as the upper bound of
the available DRAM and we don't have gd->bd->bi_dram[0].size set up at
the time the function is called, thus we cannot put this into the macro
CONFIG_MAX_MEM_MAPPED . Instead, we use custom override where we use the
size of the first DRAM block which we just detected.

Signed-off-by: Marek Vasut <marex@denx.de>
Cc: Fabio Estevam <fabio.estevam@freescale.com>
Cc: Stefano Babic <sbabic@denx.de>
Cc: Wolfgang Denk <wd@denx.de>
2014-03-31 18:28:51 +02:00
Marek Vasut
2f844e76da arm: mx5: Fix memory slowness on M53EVK
Fix memory access slowness on i.MX53 M53EVK board. Let us inspect the
issue: First of all, the i.MX53 CPU has two memory banks mapped at
0x7000_0000 and 0xb000_0000 and each of those can hold up to 1GiB of
DRAM memory. Notice that the memory area is not continuous. On M53EVK,
each of the banks contain 512MiB of DRAM, which makes a total of 1GiB
of memory available to the system.

The problem is how the relocation of U-Boot is treated on i.MX53 . The
U-Boot is placed at the ((start of first DRAM partition) + (gd->ram_size)) .
This in turn poses a problem, since in our case, the gd->ram_size is 1GiB,
the first DRAM bank starts at 0x7000_0000 and contains 512MiB of memory.
Thus, with this algorithm, U-Boot is placed at offset:

    0x7000_0000 + 1GiB - sizeof(u-boot and some small margin)

This is past the DRAM available in the first bank on M53EVK, but is still
within the address range of the first DRAM bank. Because of the memory
wrap-around, the data can still be read and written to this area, but the
access is much slower.

There were two ideas how to solve this problem, first was to map both of
the available DRAM chunks next to one another by using MMU, second was to
define CONFIG_VERY_BIG_RAM and CONFIG_MAX_MEM_MAPPED to size of the memory
in the first DRAM bank. We choose the later because it turns out the former
is not applicable afterall. The former cannot be used in case Linux kernel
was loaded into the second DRAM bank area, which would be remapped and one
would try booting the kernel, since at some point before the kernel is started,
the MMU would be turned off, which would destroy the mapping and hang the
system.

Signed-off-by: Marek Vasut <marex@denx.de>
Cc: Fabio Estevam <fabio.estevam@freescale.com>
Cc: Stefano Babic <sbabic@denx.de>
Cc: Wolfgang Denk <wd@denx.de>
2014-03-31 18:28:51 +02:00
Gerhard Sittig
a743415f12 tegra: imx: omap: enable Moschip USB ethernet support for several boards
enable support for the Moschip USB ethernet adapter for those boards
which previously had support for "all other" USB ethernet adapters
(that's Asix _and_ SMSC) enabled -- which applies to harmony, m53evk,
mx53loco, nitrogen6x, omap3_beagle

Signed-off-by: Gerhard Sittig <gsi@denx.de>
Acked-by: Marek Vasut <marex@denx.de>
2014-03-12 17:04:34 -04:00
Marek Vasut
9a12fcd0c9 ARM: m53evk: Enable CONFIG_REGEX
Enable CONFIG_REGEX on M53EVK to allow usage of regular expressions
on environment variables.

Signed-off-by: Marek Vasut <marex@denx.de>
Cc: Stefano Babic <sbabic@denx.de>
2014-01-26 15:24:43 +01:00
Marek Vasut
8331273ca9 ARM: m53evk: Rename mxc-nand to mxc_nand
The name the Linux kernel expects is 'mxc_nand' , not 'mxc-nand' .
This patch renames the driver name.

Signed-off-by: Marek Vasut <marex@denx.de>
Cc: Stefano Babic <sbabic@denx.de>
Acked-by: Stefano Babic <sbabic@denx.de>
2014-01-26 15:24:39 +01:00
Marek Vasut
502a710f5b ARM: mx53: video: Add IPUv3 LCD support for M53EVK
This patch adds support for the AMPIRE 800x480 LCD panel that is available
for M53EVK.

Signed-off-by: Marek Vasut <marex@denx.de>
Cc: Stefano Babic <sbabic@denx.de>
2013-12-17 18:38:42 +01:00
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
trem
b089d039b1 i2c: update config using mxc driver to new subsystem
Signed-off-by: Philippe Reynes <tremyfr@yahoo.fr>
2013-10-17 07:20:25 +02:00
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
Marek Vasut
0f83b36529 arm: mx5: Add support for DENX M53EVK
Add basic support for the DENX M53EVK board. Currently supported is:
MMC (incl. booting)
NAND (incl. booting)
Ethernet, I2C, USB, SATA, RTC.

Signed-off-by: Marek Vasut <marex@denx.de>
Cc: Albert ARIBAUD <albert.u.boot@aribaud.net>
Cc: Benoît Thébaudeau <benoit.thebaudeau@advansee.com>
Cc: Fabio Estevam <fabio.estevam@freescale.com>
Cc: Scott Wood <scottwood@freescale.com>
Cc: Stefano Babic <sbabic@denx.de>
Cc: Tom Rini <trini@ti.com>
Cc: Wolfgang Denk <wd@denx.de>
2013-05-05 17:54:44 +02:00