The 8572 DDR erratum1:
DDR controller may enter an illegal state when operating
in 32-bit bus mode with 4-beat bursts.

Description:
When operating with a 32-bit bus, it is recommended that
DDR_SDRAM_CFG[8_BE] is cleared when DDR2 memories are used.
This forces the DDR controller to use 4-beat bursts when
communicating to the DRAMs. However, an issue exists that
could lead to data corruption when the DDR controller is
in 32-bit bus mode while using 4-beat bursts.

Projected Impact:
If the DDR controller is operating in 32-bit bus mode with
4-beat bursts, then the controller may enter into a bad state.
All subsequent reads from memory is corrupted.
Four-beat bursts with a 32-bit bus only is used with DDR2 memories.
Therefore, this erratum does not affect DDR3 mode.

Work Arounds:
To work around this issue, software must set DEBUG_1[31] in
DDR memory mapped space (CCSRBAR offset + 0x2f00 for DDR_1
and CCSRBAR offset + 0x6f00 for DDR_2).

Currenlty, the code is using incorrect register DDR_SDRAM_CFG_2
as condition, but it should be DDR_SDRAM_CFG register.
Signed-off-by: NDave Liu <daveliu@freescale.com>

Signed-off-by: NDave Liu <daveliu@freescale.com>

Introduce CONFIG_E500MC to deal with the minor differences between
e500v2 and e500mc.

* Certain fields of HID0/1 don't exist anymore on e500mc
* Cache line size is 64-bytes on e500mc
* reset value of PIR is different
Signed-off-by: NKumar Gala <galak@kernel.crashing.org>

Using CONFIG_SYS_CACHELINE_SIZE instead of 31 means we can handle
e500mc's 64-byte cacheline properly when it gets added.
Signed-off-by: NKumar Gala <galak@kernel.crashing.org>

Signed-off-by: NWolfgang Denk <wd@denx.de>

This is done to allow other 83XX based platforms which also have UPM
(e.g. 8360) to configure and use their UPM in u-boot.
Signed-off-by: NRichard Retanubun <RichardRetanubun@RuggedCom.com>
Signed-off-by: NKim Phillips <kim.phillips@freescale.com>

With this patch u-boot can fixup the dr_mode and phy_type properties
for the Dual-Role USB controller.

While at it, also remove #ifdefs around includes, they are not needed.
Signed-off-by: NAnton Vorontsov <avorontsov@ru.mvista.com>
Signed-off-by: NKim Phillips <kim.phillips@freescale.com>

Though NAND chip is replaceable on the MPC837XE-MDS boards, the
current settings don't work with the default chip on the board.
Nevertheless Freescale's U-Boot sets the option register correctly,
so I just dumped the register from the working u-boot. My guess is
that the old settings were applicable for some pilot boards, not
found in the production.

This patch also enables FSL ELBC driver so that we could access
the NAND storage in the u-boot.

The NAND support costs about 45KB, so the u-boot no longer fits
into two 128KB NOR flash sectors, thus we also have to adjust
environment location: add another 128KB to the monitor length.
Signed-off-by: NAnton Vorontsov <avorontsov@ru.mvista.com>

It is due to hardware design and logic defect, that is the
I/O[0:7] of NAND chip is connected to LAD[7:0], so when
the NAND chip connected to nLCS3,  you have to set up the
OR3[BCTLD] = '1' for normal operation, otherwise it will have
bus contention due to the pin 48/25 of U60 is enabled.

Setup the OR3[BCTLD] = '1' , that meaning the LBCTL is not
asserted upon access to the NAND chip, keep the default state.
Acked-by: NDave Liu <daveliu@freescale.com>
Signed-off-by: NKim Phillips <kim.phillips@freescale.com>

The MPC837xE-MDS board's CPLD can auto-detect if the board is on the PIB,
standalone or acting as a PCI agent. User's Guide says:

- When the CPLD recognizes its location on the PIB it automatically
  configures RCW to the PCI Host.
- If the CPLD fails to recognize its location then it is automatically
  configured as an Agent and the PCI is configured to an external arbiter.

This sounds good. Though in the standalone setup the CPLD sets PCI_HOST
flag (it's ok, we can't act as PCI agents since we receive CLKIN, not
PCICLK), but the CPLD doesn't set the ARBITER_ENABLE flag, and without
any arbiter bad things will happen (here the board hangs during any config
space reads).

In this situation we must disable the PCI. And in case of anybody really
want to use an external arbiter, we provide "pci_external_aribter"
environment variable.
Signed-off-by: NAnton Vorontsov <avorontsov@ru.mvista.com>
Signed-off-by: NKim Phillips <kim.phillips@freescale.com>

This involves configuring the SerDes and fixing up the flags and
PHY addresses for the TSECs.

For Linux we also fix up the device tree.
Signed-off-by: NAnton Vorontsov <avorontsov@ru.mvista.com>
Signed-off-by: NKim Phillips <kim.phillips@freescale.com>

We'll use these masks to parse TSEC modes out of HRCWH.
Signed-off-by: NAnton Vorontsov <avorontsov@ru.mvista.com>
Signed-off-by: NKim Phillips <kim.phillips@freescale.com>

The rfcks should be shifted by 28 bits left. We didn't notice the bug
because we were using only 100MHz clocks (for which rfcks == 0).

Though, for SGMII we'll need 125MHz clocks.
Signed-off-by: NAnton Vorontsov <avorontsov@ru.mvista.com>
Signed-off-by: NKim Phillips <kim.phillips@freescale.com>

MPC837xE specs says that SerDes1 has:

— Two lanes running x1 SGMII at 1.25 Gbps;
— Two lanes running x1 SATA at 1.5 or 3.0 Gbps.

And for SerDes2:

— Two lanes running x1 PCI Express at 2.5 Gbps;
— One lane running x2 PCI Express at 2.5 Gbps;
— Two lanes running x1 SATA at 1.5 or 3.0 Gbps.

The spec also explicitly states that PEX options are not valid for
the SD1.

Nevertheless MPC8378 RDB and MDS boards configure the SD1 for PEX,
which is wrong to do.
Signed-off-by: NAnton Vorontsov <avorontsov@ru.mvista.com>
Signed-off-by: NKim Phillips <kim.phillips@freescale.com>

Currently 64M of LBC SDRAM are mapped at 0xF0000000 which makes
it difficult to use (b/c then the memory is discontinuous and
there is quite big memory hole between the DDR/SDRAM regions).

This patch reworks LBC SDRAM setup so that now we dynamically
place the LBC SDRAM near the DDR (or at 0x0 if there isn't any
DDR memory).

With this patch we're able to:

- Boot without external DDR memory;
- Use most "DDR + SDRAM" setups without need to support for
  sparse/discontinuous memory model in the software.
Signed-off-by: NAnton Vorontsov <avorontsov@ru.mvista.com>
Signed-off-by: NKim Phillips <kim.phillips@freescale.com>

On some systems (for example Fedora Core 4) U-Boot builds with the
following wanrings only:

...
In file included from /home/wd/git/u-boot/include/libfdt_env.h:33,
                 from fdt.c:51:
		 /usr/include/asm/byteorder.h:6:2: warning: #warning using private kernel header; include <endian.h> instead!

This patch fixes this problem.
Signed-off-by: NWolfgang Denk <wd@denx.de>

Signed-off-by: NStefan Roese <sr@denx.de>

Previously only the NOR flash mapping was written into the ranges
property of the ebc node. This patch now writes all enabled chip
select areas into the ranges property.
Signed-off-by: NStefan Roese <sr@denx.de>

Signed-off-by: NDirk Eibach <eibach@gdsys.de>
Signed-off-by: NStefan Roese <sr@denx.de>

I reorganized my config files, putting the common stuff into netstal-common.h
(got the idea by looking a amcc-common.h from Stefan).

Added stuff to boot the new powerpc linux via NFS (only tested with HCU4).
Signed-off-by: NNiklaus Giger <niklaus.giger@netstal.com>
Signed-off-by: NStefan Roese <sr@denx.de>

Provide a weak defined routine to retrieve the CPU number for
reference boards that have multiple CPU's.  Default behavior
is the existing single CPU print output.  Reference boards with
multiple CPU's need to provide a board specific routine.
See board/amcc/arches/arches.c for an example.
Signed-off-by: NAdam Graham <agraham@amcc.com>
Signed-off-by: NVictor Gallardo <vgallardo@amcc.com>
Signed-off-by: NStefan Roese <sr@denx.de>

This patch add the capability to configure a PPC440 based IBM SDRAM
Controller with static, compiled-in, values. PPC440 memory subsystem
includes a Memory Queue core.
Signed-off-by: NAdam Graham <agraham@amcc.com>
Signed-off-by: NVictor Gallardo <vgallardo@amcc.com>
Signed-off-by: NStefan Roese <sr@denx.de>

The Arches Evaluation board is based on the AMCC 460GT SoC chip.
This board is a dual processor board with each processor providing
independent resources for Rapid IO, Gigabit Ethernet, and serial
communications. Each 460GT has it's own 512MB DDR2 memory, 32MB NOR
FLASH, UART, EEPROM and temperature sensor, along with a shared debug
port. The two 460GT's will communicate with each other via shared
memory, Gigabit Ethernet and x1 PCI-Express.
Signed-off-by: NAdam Graham <agraham@amcc.com>
Signed-off-by: NVictor Gallardo <vgallardo@amcc.com>
Signed-off-by: NStefan Roese <sr@denx.de>

Several customers have reported problems with the environment in
EEPROM, including corrupted content after board reset. Probably the
code to prevent I2C Enge Conditions is not working sufficiently.

We move the environment to flash now, which allows to have a backup
copy plus gives much faster boot times.

Also, change the default console initialization to 115200 bps as used
on most other boards.
Signed-off-by: NWolfgang Denk <wd@denx.de>

mpc8536ds.c: In function 'is_sata_supported':
mpc8536ds.c:615: warning: unused variable 'devdisr'
Signed-off-by: NKumar Gala <galak@kernel.crashing.org>

Signed-off-by: NWolfgang Denk <wd@denx.de>

Signed-off-by: NWolfgang Denk <wd@denx.de>

Round clock frequencies for printing.

Many boards printed off clock frequencies like 399 MHz instead of the
exact 400 MHz because numberes were not rounded. This is fixed now.
Signed-off-by: NWolfgang Denk <wd@denx.de>

Commit f7d190b1 corrected the value of MPC85xx_PORDEVSR2_SEC_CFG, but forgot
to add a comment that the correct value disagrees with the 8544 reference
manual.  The changelog for that commit is also wrong, as it says "bit 28"
when it should be "bit 24".
Signed-off-by: NTimur Tabi <timur@freescale.com>

Conflicts:

	drivers/usb/usb_ohci.c

Conflicts:

	board/freescale/mpc8536ds/mpc8536ds.c
	include/configs/mgcoge.h
Signed-off-by: NWolfgang Denk <wd@denx.de>

Signed-off-by: NHeiko Schocher <hs@denx.de>

Signed-off-by: NHeiko Schocher <hs@denx.de>

Signed-off-by: NJason Jin <Jason.jin@freescale.com>

This patch based on Andy's work.
Including command 'pixis_set_sgmii' support.
Signed-off-by: NLiu Yu <yu.liu@freescale.com>

The pixis sgmii command depend on the FPGA support on the board, some 85xx
boards support SGMII riser card but did not support this command, define
CONFIG_PIXIS_SGMII_CMD for those boards which support the sgmii command.

Not like 8544, 8572 has 4 eTsec so that the other two's pixis bits
are not supported by 8544. Therefor, define PIXIS_VSPEED2_MASK and
PIXIS_VCFGEN1_MASK in header file for both boards.
Signed-off-by: NLiu Yu <yu.liu@freescale.com>

Signed-off-by: NEd Swarthout <Ed.Swarthout@freescale.com>

Debug sessions may have left enabled laws.
Changing lawbar with an unkown enabled tgtid could cause problems.
Signed-off-by: NEd Swarthout <Ed.Swarthout@freescale.com>

mpc8572 supports all pcie controllers as end-points with cfg_host_agent=0.
Include host_agent == 0 decode for end-point determination.

This is not needed for the ds reference board since pcie3 will be a host
in order to connect to the uli chip.  Include it here as a reference for
other mpc8572 boards.
Signed-off-by: NEd Swarthout <Ed.Swarthout@freescale.com>