Commit graph

308 commits

Author SHA1 Message Date
Patrick Delaunay
b4fee16108 stm32mp1: add support for virtual partition read
Add read for OTP and PMIC NVM with alternates
on virtual DFU device.

Serie-cc: Boris Brezillon <boris.brezillon@bootlin.com>
Signed-off-by: Patrick Delaunay <patrick.delaunay@st.com>
2019-11-26 10:14:35 +01:00
Patrick Delaunay
fd399a1839 stm32mp1: board: add spi nand support
This patch adds the support of the spi nand device in mtdparts command
and in dfu_alt_info.

Signed-off-by: Patrick Delaunay <patrick.delaunay@st.com>
Reviewed-by: Patrice Chotard <patrice.chotard@st.com>
2019-11-26 10:14:35 +01:00
Patrick Delaunay
f6031d6d58 stm32mp1: activate SET_DFU_ALT_INFO
Generate automatically dfu_alt_info for the supported device.
The simple command "dfu 0" allows to start the dfu stack on usb 0
for the supported devices:
- dfu mtd for nand0
- dfu mtd for nor0
- dfu mmc for SDCard
- dfu mmc for eMMC
- dfu ram for images in DDR

The DUF alternate use the "part", "partubi" and "mmcpart" options
to select the correct MTD or GPT partition or the eMMC hw boot partition.

Signed-off-by: Patrick Delaunay <patrick.delaunay@st.com>
Reviewed-by: Patrice Chotard <patrice.chotard@st.com>
2019-11-26 10:14:34 +01:00
Patrick Delaunay
fb90fcf826 board: stm32mp1: fixup the usb product id for USB download gadget
Select the correct USB product id used by the download gadget
for ST stm32mp1 boards.

The board stm32mp1 select the correct product id, as defined in
http://www.linux-usb.org/usb.ids for the STMicroelectronics
vendor id = 0x0483 (CONFIG_USB_GADGET_VENDOR_NUM):
- dfu = 0xdf11 : STM Device in DFU mode
  it is the value used by ROM code and reused for stm32prog
  command
- fasboot = 0x0afb : Android Fastboot device
- others = 0x5720 (CONFIG_USB_GADGET_PRODUCT_NUM)
  Mass Storage Device
  it is used for UMS command / usb_dnl_ums

This patch avoid conflict when the same USB VID/PID is used for
ums, fastboot or dfu command (two different protocols associated
to the same PID).

Signed-off-by: Patrick Delaunay <patrick.delaunay@st.com>
Acked-by: Patrice Chotard <patrice.chotard@st.com>
2019-10-22 11:00:07 +02:00
Yannick Fertré
0e73892184 board: Add STM32F769 SoC, discovery board support
Signed-off-by: Yannick Fertré <yannick.fertre@st.com>
2019-10-13 23:38:47 +02:00
Patrick Delaunay
53e3d52c6c net: dwc_et_qos: update weak function board_interface_eth_init
Align the board and driver prototype for board_interface_eth_init
to avoid execution issue (the interface_type parameter is defined
as int or phy_interface_t).

To have a generic weak function (it should be reused by other driver)
I change the prototype to use directly udevice.

This prototype is added in netdev.h to allow compilation check
and avoid warning when compiling with W=1 on file
board/st/stm32mp1/stm32mp1.c

warning: no previous prototype for 'board_interface_eth_init'\
[-Wmissing-prototypes]
     int board_interface_eth_init(int interface_type, ....
         ^~~~~~~~~~~~~~~~~~~~~~~~

Signed-off-by: Patrice Chotard <patrice.chotard@st.com>
Signed-off-by: Patrick Delaunay <patrick.delaunay@st.com>
Acked-by: Joe Hershberger <joe.hershberger@ni.com>
2019-09-04 11:37:19 -05:00
Patrick Delaunay
06d1dd2cdc stm32mp1: update README for remoteproc support
Add information for remoteproc usage to load firmware in M4 coprocessor
on stm32mp157.

Signed-off-by: Patrick Delaunay <patrick.delaunay@st.com>
2019-08-27 11:19:23 +02:00
Patrick Delaunay
0e6522cbd1 stm32mp1: add example files for FIT generation
Add example of its files to generate FIT to start kernel
on ev1 or dk2 board with
- only kernel and dtb = fit_copro_kernel_dtb.its
- kernel, M4 copro firmware and dtb = it_copro_kernel_dtb.its

Add extlinux example to manage config in generated FIT.

Signed-off-by: Loic Pallardy <loic.pallardy@st.com>
Signed-off-by: Patrick Delaunay <patrick.delaunay@st.com>
2019-08-27 11:19:23 +02:00
Patrick Delaunay
a68ae8dceb stm32mp1: Add copro image support for M4 firmware
Implements copro image loading with FIT.
Once image is loaded with remoteproc,
the M4 coprocessor is automatically started.

Signed-off-by: Loic Pallardy <loic.pallardy@st.com>
Signed-off-by: Patrick Delaunay <patrick.delaunay@st.com>
2019-08-27 11:19:23 +02:00
Patrick Delaunay
781a917738 stm32mp1: board update command stboard on misc_read result
Update management of misc_read, which now return length of data
after the commit 8729b1ae2c ("misc: Update read() and write()
methods to return bytes xfered")

Signed-off-by: Patrick Delaunay <patrick.delaunay@st.com>
2019-08-27 11:19:23 +02:00
Patrick Delaunay
ff6618e9b2 stm32mp1: update sysconf_init on misc_read result
Update management of misc_read in sysconf_init, which now return
length of data after the commit 8729b1ae2c ("misc: Update read()
and write() methods to return bytes xfered")

Signed-off-by: Patrick Delaunay <patrick.delaunay@st.com>
2019-08-27 11:19:23 +02:00
Patrick Delaunay
19efa39556 stm32mp1: update test on misc_read result
Update the stm32mp1 baord after the commit 8729b1ae2c
("misc: Update read() and write() methods to return bytes xfered")

Signed-off-by: Patrick Delaunay <patrick.delaunay@st.com>
2019-08-27 11:19:23 +02:00
Patrick Delaunay
8c018234ea MAINTAINERS: update ARM STM STM32MP and STM32MP1 BOARD
Add the missing driver and files for mach-stm32mp / stm32mp1 product.

Signed-off-by: Patrick Delaunay <patrick.delaunay@st.com>
2019-08-27 11:19:23 +02:00
Patrick Delaunay
d1a597fcb7 stm32mp1: board: cosmetic: cleanup file
- reorder include files
- remove one comment

Signed-off-by: Patrick Delaunay <patrick.delaunay@st.com>
2019-08-27 11:19:23 +02:00
Patrick Delaunay
4154247371 stm32mp1: board: remove board_check_usb_power when ADC is not activated
Avoid compilation issue when CONFIG_ADC is not activated

Signed-off-by: Patrick Delaunay <patrick.delaunay@st.com>
2019-08-27 11:19:23 +02:00
Patrick Delaunay
5e959ab85e stm32mp1: board: Update the way vdd-supply is retrieved from DT
Due to kernel DT alignment, pwr-supply is renamed to vdd-supply
and is a subnode of pwr-regulators.

Signed-off-by: Patrice Chotard <patrice.chotard@st.com>
Signed-off-by: Patrick Delaunay <patrick.delaunay@st.com>
2019-08-27 11:19:23 +02:00
Patrick Delaunay
55f9cd2afe stm32mp1: board: check the boot-source to disable bootdelay
Allows to avoid to wait 2 second in U-Boot before to
start STM32CubeProgrammer command.

Signed-off-by: Patrick Delaunay <patrick.delaunay@st.com>
2019-08-27 11:19:23 +02:00
Patrick Delaunay
4616ff425c stm32mp1: board: protect the led function calls
Avoid compilation issue when CONFIG_LED is not activated

Signed-off-by: Patrick Delaunay <patrick.delaunay@st.com>
2019-08-27 11:19:23 +02:00
Patrick Delaunay
dd2810851e stm32mp1: board: support of error led on ed1/ev1 board
Create a function led_error_blink and add node in device
tree.

Signed-off-by: Patrick Delaunay <patrick.delaunay@st.com>
2019-08-27 11:19:23 +02:00
Patrick Delaunay
d573e46168 stm32mp1: board: enable v1v2_hdmi and v3v3_hdmi regulator on dk2 boot
As for Audio codec IC, HDMI IC is not "IO safe".
HDMI regulators (v3v3 and v1v2) must be enabled to allow
I2C1 bus usage. HDMI IC must be under reset during power up
and keep HDMI and AUDIO devices in reset while they are not
used in U-Boot to keep them in low power mode
(each device can be kept in reset independently keeping their
power supplies ON until kernel).

Signed-off-by: Patrice Chotard <patrice.chotard@st.com>
Signed-off-by: Patrick Delaunay <patrick.delaunay@st.com>
2019-08-27 11:19:23 +02:00
Patrick Delaunay
8b8b3d6b55 stm32mp1: board: add environment variable for board id and board rev
Add variable to identify board with HW id (read from OTP)
and revision.

Signed-off-by: Patrick Delaunay <patrick.delaunay@st.com>
2019-08-27 11:19:23 +02:00
Patrick Delaunay
178a415534 stpmic1: program pmic to keep only the debug unit on
Depending on backup register value, we maintain the debug unit
powered-on for debugging purpose.
Only BUCK1 is required for powering the debug unit, so revert
the setting for all the other power lanes, except BUCK3 that
has to be always on.

Signed-off-by: Patrick Delaunay <patrick.delaunay@st.com>
2019-08-27 09:36:56 +02:00
Simon Glass
f3998fdc4d env: Rename environment.h to env_internal.h
This file contains lots of internal details about the environment. Most
code can include env.h instead, calling the functions there as needed.

Rename this file and add a comment at the top to indicate its internal
nature.

Signed-off-by: Simon Glass <sjg@chromium.org>
Acked-by: Joe Hershberger <joe.hershberger@ni.com>
Reviewed-by: Simon Goldschmidt <simon.k.r.goldschmidt@gmail.com>
[trini: Fixup apalis-tk1.c]
Signed-off-by: Tom Rini <trini@konsulko.com>
2019-08-11 19:27:31 -04:00
Simon Glass
3a7d55716d env: Move env_get_f() to env.h
Move this function over to the new header file.

Signed-off-by: Simon Glass <sjg@chromium.org>
Acked-by: Joe Hershberger <joe.hershberger@ni.com>
2019-08-11 16:43:41 -04:00
Patrice Chotard
291f00bb3e board: st: add missing gpio_request() for stm32f429-discovery
This fixes the following error message:

U-Boot 2019.07-rc4-00103-g5eea874b5e (Jun 25 2019 - 15:09:31 +0200)

DRAM:  8 MiB
gpio@40021800: dir_output: error: gpio GPIOG14 not reserved
gpio@40021800: dir_output: error: gpio GPIOG13 not reserved
gpio@40021800: set_value: error: gpio GPIOG14 not reserved
Flash: 2 MiB
....

Signed-off-by: Patrice Chotard <patrice.chotard@st.com>
2019-07-12 11:50:58 +02:00
Patrick Delaunay
8e1947774e board: stm32mp1: Fix warnings when compiling with W=1
This patch solves the following warnings:

warning: no previous prototype for 'board_quiesce_devices' [-Wmissing-prototypes]
 void board_quiesce_devices(void)
      ^~~~~~~~~~~~~~~~~~~~~

Signed-off-by: Patrice Chotard <patrice.chotard@st.com>
Signed-off-by: Patrick Delaunay <patrick.delaunay@st.com>
2019-07-12 11:50:54 +02:00
Patrick Delaunay
e81f8d16e2 stm32mp1: activate OF_BOARD_SETUP and FDT_FIXUP_PARTITIONS
Update kernel MTD partition in device tree with U-Boot information.

Signed-off-by: Patrick Delaunay <patrick.delaunay@st.com>
2019-07-12 11:50:53 +02:00
Patrick Delaunay
152c84bce9 stm32mp1: add configuration op-tee
Add support of Trusted boot chain with OP-TEE
- reserved 32MB at the end of the DDR for OP-TEE

Signed-off-by: Patrick Delaunay <patrick.delaunay@st.com>
2019-07-12 11:50:52 +02:00
Patrick Delaunay
25d436a624 stm32mp1: cosmetic: remove unnecessary include
Remove post.h include as it is used in spl.c

Signed-off-by: Patrick Delaunay <patrick.delaunay@st.com>
2019-07-12 11:18:53 +02:00
Patrick Delaunay
526558c63b stm32mp1: update README
Add latest information and correct some information.

Signed-off-by: Patrick Delaunay <patrick.delaunay@st.com>
2019-07-12 11:18:53 +02:00
Patrick Delaunay
afb0840ffa stm32mp1: add stboard command
Allow to update board identification in OTP 59.

Signed-off-by: Patrick Delaunay <patrick.delaunay@st.com>
2019-07-12 11:18:53 +02:00
Patrick Delaunay
f59ad456ff stm32mp1: call regulators_enable_boot_on in board_init
U-Boot activates regulators by reading the "regulator-boot-on"
property in DT; it is requested by M4 early Boot feature.

Signed-off-by: Patrick Delaunay <patrick.delaunay@st.com>
2019-07-12 11:18:53 +02:00
Patrick Delaunay
4048e171d2 stm32mp1: move CONFIG_ENV in Kconfig
Move 2 ENV configuration flags in board Kconfig
- CONFIG_ENV_SECT_SIZE
- CONFIG_ENV_OFFSET

Signed-off-by: Patrick Delaunay <patrick.delaunay@st.com>
2019-07-12 11:18:53 +02:00
Christophe Roullier
edacf26821 board: stm32mp1: Add board_interface_eth_init
Called to configure Ethernet PHY interface selection and
configure clock selection in RCC Ethernet clock tree.

Signed-off-by: Christophe Roullier <christophe.roullier@st.com>
2019-06-06 17:40:18 +02:00
Patrice Chotard
28c064e66b board: stm32mp1: Update power supply check via USB TYPE-C
Add 2 new checks:
 - detect when USB TYPE-C cable is not plugged correctly.
   In this case, GND and VBUS pins are connected but not CC1
   and CC2 pins.

 - detect is an USB Type-C charger supplies more than 3 Amps
   which is not compliant with the USB Type-C specification

In these 2 situations, stop the boot process and let red led
blinks forever.

   V cc1      |   V cc2     | power supply | red led | console message
range (Volts) |range (Volts)|   (Amps)     | blinks  |
--------------|-------------|--------------|---------|-----------------------------------
    > 2.15    |   < 0.2     |     > 3      | for ever| USB TYPE-C charger not compliant with specification
[2.15 - 1.23[ |   < 0.2     |     3        |   NO    | NO
[1.23 - 0.66[ |   < 0.2     |     1.5      | 3 times | WARNING 1.5A power supply detected
[0.66 - 0]    |   < 0.2     |     0.5      | 2 times | WARNING 500mA power supply detected
    < 0.2     |   < 0.2     |              | for ever| ERROR USB TYPE-C connection in unattached mode
    > 0.2     |   > 0.2     |              | for ever| ERROR USB TYPE-C connection in unattached mode

Signed-off-by: Patrice Chotard <patrice.chotard@st.com>
2019-06-06 17:40:17 +02:00
Patrice Chotard
e5c38fdd3a stm32mp1: Update env_get_location for NOR support
Update env_get_location() to be able to save environment into
NOR (SPI_FLASH).

Series-cc: pde, cke, pch, uboot-stm32

Cover-letter:
Add saveenv support for STM32MP1

This series adds saveenv support for STM32MP1 on several boot
devices. STM32MP1 is able to boot on eMMC, sdcard and NOR
(NAND support is not fully supported).

On eMMC and sdcard, environment is saved in EXT4 partition
On NOR, environment is saved in a dedicated partition
On NAND, environment is saved in a UBI volume.

This series:
  - enables NAND and NOR support on ev1 board
  - enables ENV_IS_IN_SPI_FLASH, ENV_IS_IN_UBI, ENV_IS_IN_EXT4
    flags
  - fixes get_mtdparts()
  - allows to override interface, device and partition for ext4
    environment
  - updates rule to set ENV_IS_NOWHERE value
  - introduce ENV_IS_IN_DEVICE
END

Signed-off-by: Patrice Chotard <patrice.chotard@st.com>
2019-06-06 17:40:15 +02:00
Patrice Chotard
8f24b1a4a9 stm32mp1: Add env_get_location()
In case of several environment location support, env_get_location
is needed to select the correct location depending of the boot
device .

Signed-off-by: Patrice Chotard <patrice.chotard@st.com>
2019-06-06 17:40:14 +02:00
Patrice Chotard
7f90cd6150 board: stm32mp1: Add env_ext4_get_dev_part() and env_ext4_get_intf()
This allows to :
- select the current device to save the environment file
- select the correct EXT4 boot device instance
  and partition to save the environment file.

For EXT4, device is mmc, device instance is 0 for sdcard or 1 for eMMC.
The partition is set to "auto" to select the first partition with
bootable flag.

Signed-off-by: Patrice Chotard <patrice.chotard@st.com>
2019-06-06 17:40:13 +02:00
Patrice Chotard
87471649a5 stm32mp1: support dynamic MTDPARTS
This patch configure the default value for mtdids and mtparts
dynamically according the presence of nor and nand in
the board device tree

Signed-off-by: Patrick Delaunay <patrick.delaunay@st.com>
Signed-off-by: Christophe Kerello <christophe.kerello@st.com>
Signed-off-by: Patrice Chotard <patrice.chotard@st.com>
2019-06-06 17:40:12 +02:00
Manivannan Sadhasivam
93ffa2ba80 board: stm32mp1: Add Avenger96 board support
Add support for Avenger96 board from Arrow Electronics based on STM32MP157
MPU. This board is one of the Consumer Edition (CE) boards of the 96Boards
family and has the following features:

SoC: STM32MP157AAC
PMIC: STPMIC1A
RAM: 1024 Mbyte @ 533MHz
Storage: eMMC v4.51: 8 Gbyte
         microSD Socket: UHS-1 v3.01
Ethernet Port: 10/100/1000 Mbit/s, IEEE 802.3 Compliant
Wireless: WiFi 5 GHz & 2.4GHz IEEE 802.11a/b/g/n/ac
          Bluetooth®v4.2 (BR/EDR/BLE)
USB: 2x Type A (USB 2.0) Host and 1x Micro B (USB 2.0) OTG
Display: HDMI: WXGA (1366x768)@ 60 fps, HDMI 1.4
LED: 4x User LED, 1x WiFi LED, 1x BT LED

More information about this board can be found in 96Boards website:
https://www.96boards.org/product/avenger96/

Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Reviewed-by: Patrice Chotard <patrice.chotard@st.com>
2019-06-06 17:40:12 +02:00
Patrick Delaunay
1767ac2d1f stm32mp1: ram: add support for LPDDR2/LPDDR3
Manage power supply configuration for board using stpmic1
with LPDDR2 or with LPDDR3:
+ VDD_DDR1 = 1.8V with BUCK3 (bypass if possible)
+ VDD_DDR2 = 1.2V with BUCK2

Signed-off-by: Patrick Delaunay <patrick.delaunay@st.com>
2019-05-23 11:38:11 +02:00
Trevor Woerner
1001502545 CONFIG_SPL_SYS_[DI]CACHE_OFF: add
While converting CONFIG_SYS_[DI]CACHE_OFF to Kconfig, there are instances
where these configuration items are conditional on SPL. This commit adds SPL
variants of these configuration items, uses CONFIG_IS_ENABLED(), and updates
the configurations as required.

Acked-by: Alexey Brodkin <abrodkin@synopsys.com>
Signed-off-by: Trevor Woerner <trevor@toganlabs.com>
[trini: Make the default depend on the setting for full U-Boot, update
more zynq hardware]
Signed-off-by: Tom Rini <trini@konsulko.com>
2019-05-18 08:15:35 -04:00
Tom Rini
c2bb9c5b9e STM32 MCUs update:
_ DT rework and alignment with DT kernel v4.20
 _ mmc: arm_pl180_mmci: Synchronize compatible with kernel v4.20
 _ mmc: stm32_sdmmc2: Synchronize properties with kernel v4.20
 _ configs: update for F746/769 boards
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Merge tag 'u-boot-stm32-mcu-20190423' of https://github.com/pchotard/u-boot

STM32 MCUs update:
- DT rework and alignment with DT kernel v4.20
- mmc: arm_pl180_mmci: Synchronize compatible with kernel v4.20
- mmc: stm32_sdmmc2: Synchronize properties with kernel v4.20
- configs: update for F746/769 boards
2019-04-24 12:26:39 -04:00
Patrice Chotard
77594d7fbf board: stm32f746-disco: Get MII/RMII phy_mode from DT
This is needed to make ethernet work on stm32f746-eval which
uses MII mode.

Signed-off-by: Patrice Chotard <patrice.chotard@st.com>
Acked-by: Joe Hershberger <joe.hershberger@ni.com>
2019-04-23 15:31:48 +02:00
Patrick Delaunay
6fe7dd3327 stm32mp1: add stusb1600 support for DK1 and DK2 board
The DK1 and DK2 boards use the USB Type-C controller STUSB1600.
This patch updates:
- the device tree to add the I2C node in the DT
- the board stm32mp1 to probe this I2C device and use this controller
  to check cable detection.
- the DWC2 driver to support a new dt property
  "u-boot,force-b-session-valid" which forces B session and
  device mode; it is a workaround because the VBUS sensing and
  ID detection isn't available with stusb1600.

Signed-off-by: Patrick Delaunay <patrick.delaunay@st.com>
Reviewed-by: Lukasz Majewski <lukma@denx.de>
2019-04-21 10:26:52 +02:00
Patrick Delaunay
c31000c534 stm32mp1: migrate USBOTG device to driver model
Use the DWC2 device driver with DM_USB_GADGET support and
cleanup the USB support in STM32MP1 board.

Signed-off-by: Patrick Delaunay <patrick.delaunay@st.com>
2019-04-21 10:26:52 +02:00
Patrice Chotard
8b4afe8070 board: stm32mp1: Force pinctrl driver probe in board_init()
In order to insure that hog GPIOs are configured early during
the boot process, force all pinctrl driver probing in board_init().

Signed-off-by: Patrick Delaunay <patrick.delaunay@st.com>
Signed-off-by: Patrice Chotard <patrice.chotard@st.com>
2019-04-12 16:09:13 +02:00
Patrice Chotard
395f12976c Board: stm32mp1: Add supply current boot information
For DK1/DK2 boards, check if power supply provides enough current
to allow the board to boot correctly.
ADC@0 channel 18 and 19 are connected to USB type-C CC1 and CC2
signals. The table below shows the behavior for different range of
CC1 or CC2:

  range       | power supply | red led |          console message
  (Volts)     |   (Amps)     | blinks  |
--------------|--------------|---------|-----------------------------------
[2.10 - 1.23[ |     3        |   NO    |    NO
[1.23 - 0.66[ |     1.5      | 3 times | WARNING 1.5A power supply detected
[0.66 - 0]    |     0.5      | 2 times | WARNING 500mA power supply detected

If detected current is < 3A, red led is kept ON after blinking.

Signed-off-by: Patrice Chotard <patrice.chotard@st.com>
2019-04-12 16:09:13 +02:00
Patrice Chotard
3911048457 board: stm32mp1: Update README file
Update README with DK1 and DK2 boards related informations

Signed-off-by: Patrice Chotard <patrice.chotard@st.com>
2019-04-12 16:09:13 +02:00
Patrick Delaunay
db4ff0df65 stpmic1: update register names
Alignment with  STPMIC1 datasheet
  s/MAIN_CONTROL_REG/MAIN_CR/g
  s/MASK_RESET_BUCK/BUCKS_MRST_CR/g
  s/MASK_RESET_LDOS/LDOS_MRST_CR/g
  s/BUCKX_CTRL_REG/BUCKX_MAIN_CR/g
  s/VREF_CTRL_REG/REFDDR_MAIN_CR/g
  s/LDOX_CTRL_REG/LDOX_MAIN_CR/g
  s/USB_CTRL_REG/BST_SW_CR/g
  s/STPMIC1_NVM_USER_STATUS_REG/STPMIC1_NVM_SR/g
  s/STPMIC1_NVM_USER_CONTROL_REG/STPMIC1_NVM_CR/g
and update all the associated defines.

Signed-off-by: Patrick Delaunay <patrick.delaunay@st.com>
2019-04-12 16:09:13 +02:00
Patrick Delaunay
42f01aacfd power: rename stpmu1 to official name stpmic1
Alignment with kernel driver name & binding
introduced by https://patchwork.kernel.org/cover/10761943/
to use the final marketing name = STPMIC1.

Signed-off-by: Patrick Delaunay <patrick.delaunay@st.com>
Reviewed-by: Lukasz Majewski <lukma@denx.de>
2019-04-12 16:09:13 +02:00
Patrick Delaunay
d46c22b3fd power: stpmu1: rename files to stpmic1
Prepare file modification for kernel alignment and
rename driver to stpmic1.

Signed-off-by: Patrick Delaunay <patrick.delaunay@st.com>
Reviewed-by: Lukasz Majewski <lukma@denx.de>
2019-04-12 16:09:13 +02:00
Patrick Delaunay
45459747ca stm32mp1: add syscfg initialization
Initialize the system configuration for basic boot
- update interconnect setting
- disable pull-down for boot pin
- enable High Speed Low Voltage Pad mode for SPI, SDMMC, ETH, QSPI
- activate I/O compensation

Done by SSBL = TF-A for trusted boot

Signed-off-by: Patrick Delaunay <patrick.delaunay@st.com>
2019-04-12 16:09:13 +02:00
Patrick Delaunay
9a2ba2838b stm32mp1: support forced boot mode
The boot mode can be forced by key press
or by TAMP register, requested in kernel by syscon-reboot-mode

tamp: tamp@5c00a000 {
	compatible = "simple-bus", "syscon", "simple-mfd";
	reg = <0x5c00a000 0x400>;

	reboot-mode {
		compatible = "syscon-reboot-mode";
		offset = <0x150>; /* reg20 */
		mask = <0xff>;
		mode-normal = <0>;
		mode-fastboot = <0x1>;
		mode-recovery = <0x2>;
		mode-stm32cubeprogrammer = <0x3>;
		mode-ums_mmc0 = <0x10>;
		mode-ums_mmc1 = <0x11>;
		mode-ums_mmc2 = <0x12>;
	};
};

Signed-off-by: Patrick Delaunay <patrick.delaunay@st.com>
2019-04-12 16:09:13 +02:00
Patrick Delaunay
842ebb5f40 stm32mp1: update bootcmd
Clearly separate bootcmd for stm32mp1 board
(bootcmd_stm32mp) and preboot management.
That solve issue for fastboot continue command.

Signed-off-by: Patrick Delaunay <patrick.delaunay@st.com>
2019-04-12 16:09:13 +02:00
Patrick Delaunay
b4ae34b66b stm32mp1: add runtime information in environment
Set board name with the first dts compatible found in DT
code under CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG

The result with DEVICE_TREE=stm32mp157c-ev1 is:
    STM32MP> env print
    	board=stm32mp1
    	board_name=stm32mp157c-ev1

Signed-off-by: Patrick Delaunay <patrick.delaunay@st.com>
2019-04-12 16:09:13 +02:00
Patrick Delaunay
d461f10036 stm32mp1: display board information
Implement checkboard() function to display
- the boot chain used: basic or trusted
- the board compatible in device tree
- the board identifier and revision, saved in OTP59 for ST boards

Signed-off-by: Patrick Delaunay <patrick.delaunay@st.com>
2019-04-12 16:09:13 +02:00
Patrick Delaunay
abf2678f0f stm32mp1: add trusted boot with TF-A
Add support of trusted boot, using TF-A as first stage bootloader,
The boot sequence is
  BootRom >=> TF-A.stm32 (clock & DDR) >=> U-Boot.stm32

The TF-A monitor provides secure monitor with support of SMC
- proprietary to manage secure devices (BSEC for example)
- PSCI for power

The same device tree is used for STMicroelectronics boards with
basic boot and with trusted boot.

Signed-off-by: Patrick Delaunay <patrick.delaunay@st.com>
2019-04-12 16:09:13 +02:00
Patrick Delaunay
84ee59a5fd MAINTAINERS: Update stm32mp entry
Add mailing list for stm32mp architecture and board.

Signed-off-by: Patrick Delaunay <patrick.delaunay@st.com>
2018-11-09 10:44:50 -05:00
Patrice Chotard
4c834b965a board: st: stm32mp1: Add usb gadget support
Enable USB gadget support using DWC2 driver
Populate board_usb_init() to initialize clocks,
phy, reset and data needed for DWC2 IP.

Signed-off-by: Patrice Chotard <patrice.chotard@st.com>
2018-09-25 21:48:43 -04:00
Patrice Chotard
8ff21d6d9c stm32f7: board: Fix memory init
Commit 1473b12ad0 ("lib: fdtdec: Update ram_base to store ram start
adddress") brings regression on STM32F7 which can't boot.

Use fdtdec_setup_mem_size_base() to setup memory base and size.
Use fdtdec_setup_memory_banksize() to setup memory bank base and size.

Reported-by: Mark Olsson <mark@markolsson.se>
Signed-off-by: Patrice Chotard <patrice.chotard@st.com>
Cc: Mark Olsson <mark@markolsson.se>
Reviewed-by: Vikas Manocha <vikas.manocha@st.com>
2018-08-13 14:03:57 -04:00
Patrice Chotard
725e09b823 board: stm32: use bi_dram[0].start instead of hardcoded value
Use gd->bd->bi_dram[0].start initialized from DT instead of using
hardcoded CONFIG_SYS_SDRAM_BASE from config file.

Remove unused CONFIG_SYS_RAM_BASE and CONFIG_SYS_SDRAM_BASE defines.

Signed-off-by: Patrice Chotard <patrice.chotard@st.com>
2018-08-13 14:03:57 -04:00
Patrick Delaunay
1f5118b4d3 stm32mp1: use new function led default state
Initialize the led with the default state defined in device tree.

Reviewed-by: Simon Glass <sjg@chromium.org>

Signed-off-by: Patrick Delaunay <patrick.delaunay@st.com>
2018-08-10 10:27:32 -04:00
Patrick Delaunay
5f16f655cc stm32mp1: add support for stm32mp157c-ev1 board
Add support of stm32mp157c-ev1, the evaluation board with pmic stpmu1
(ev1 = mother board + daughter ed1) with device tree.
EV1 is the selected board by default in basic defconfig.

PS: CONFIG_PINCTRL_FULL activation avoid to increase
    SYS_MALLOC_F_LEN (Early malloc usage: 2034)

Signed-off-by: Patrick Delaunay <patrick.delaunay@st.com>
2018-07-20 15:55:05 -04:00
Siva Durga Prasad Paladugu
12308b128f lib: fdtdec: Rename routine fdtdec_setup_memory_size()
This patch renames the routine fdtdec_setup_memory_size()
to fdtdec_setup_mem_size_base() as it now fills the
mem base as well along with size.

Signed-off-by: Siva Durga Prasad Paladugu <siva.durga.paladugu@xilinx.com>
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
Reviewed-by: Tom Rini <trini@konsulko.com>
2018-07-19 10:49:56 +02:00
Patrick Delaunay
320d266368 stm32mp1: Allow to activate CONFIG_DEBUG_UART
Add the needed information to enable the debug uart
to have printf before the serial driver probe
(so before probe for clock, pincontrol and reset drivers)

To enable the debug on uart 4 (default console):
+ CONFIG_DEBUG_UART=y
+ CONFIG_DEBUG_UART_STM32=y

Signed-off-by: Patrick Delaunay <patrick.delaunay@st.com>
Signed-off-by: Patrice Chotard <patrice.chotard@st.com>
2018-05-26 18:19:18 -04:00
Tom Rini
4549e789c1 SPDX: Convert all of our multiple license tags to Linux Kernel style
When U-Boot started using SPDX tags we were among the early adopters and
there weren't a lot of other examples to borrow from.  So we picked the
area of the file that usually had a full license text and replaced it
with an appropriate SPDX-License-Identifier: entry.  Since then, the
Linux Kernel has adopted SPDX tags and they place it as the very first
line in a file (except where shebangs are used, then it's second line)
and with slightly different comment styles than us.

In part due to community overlap, in part due to better tag visibility
and in part for other minor reasons, switch over to that style.

This commit changes all instances where we have multiple licenses (in
these cases, dual license) declared in the SPDX-License-Identifier tag.
In this case we change from listing "LICENSE-A LICENSE-B" or "LICENSE-A
or LICENSE-B" or "(LICENSE-A OR LICENSE-B)" to "LICENSE-A OR LICENSE-B"
as per the Linux Kernel style document.  Note that parenthesis are
allowed so when they were used before we continue to use them.

Reviewed-by: Fabio Estevam <fabio.estevam@nxp.com>
Signed-off-by: Tom Rini <trini@konsulko.com>
2018-05-07 10:24:31 -04:00
Tom Rini
83d290c56f SPDX: Convert all of our single license tags to Linux Kernel style
When U-Boot started using SPDX tags we were among the early adopters and
there weren't a lot of other examples to borrow from.  So we picked the
area of the file that usually had a full license text and replaced it
with an appropriate SPDX-License-Identifier: entry.  Since then, the
Linux Kernel has adopted SPDX tags and they place it as the very first
line in a file (except where shebangs are used, then it's second line)
and with slightly different comment styles than us.

In part due to community overlap, in part due to better tag visibility
and in part for other minor reasons, switch over to that style.

This commit changes all instances where we have a single declared
license in the tag as both the before and after are identical in tag
contents.  There's also a few places where I found we did not have a tag
and have introduced one.

Signed-off-by: Tom Rini <trini@konsulko.com>
2018-05-07 09:34:12 -04:00
Patrick Delaunay
0ed232b153 stm32mp1: add eMMC support for ED1
Add command GPT support
Add EMMC boot support
Add the 2 other SDMMC instances for ED1:
- SDMMC2 = mmc 1, eMMC on the ED1 board
- SDMMC3 = extension connector, deactivated by default

Signed-off-by: Patrick Delaunay <patrick.delaunay@st.com>
2018-04-06 20:45:28 -04:00
Patrick Delaunay
f8598d9815 board: st: add generic board for STM32MP1 family
Add first support for STM32MP157C-ED1 board with "Basic" boot chain
1/ Boot Rom: load SPL with STM32 image header in SYSRAM
2/ SPL: power up and initialize the DDR and load U-Boot image
        from SDCARD in DDR
3/ U-Boot: search and load extlinux.conf in SDCARD
           (DISTRO activated)

Signed-off-by: Patrick Delaunay <patrick.delaunay@st.com>
2018-03-19 16:14:22 -04:00
yannick fertre
92eac5848f stm32f7: board: add splash screen
Support several pixel format (8bits, 16bits, 24bits & 32bits).
Add new file st_logo_data.h which contains logo
stmicroelectronics_uboot_logo_8bit_rle.bmp.

Signed-off-by: yannick fertre <yannick.fertre@st.com>
2018-03-19 11:01:04 +01:00
Patrice Chotard
1b76a7333a arch-stm32: Remove stm32_periph.h
Remove arch/arm/include/asm/arch-stm32fx/stm32_periph.h
as all defines or enums are no more used.

Signed-off-by: Patrice Chotard <patrice.chotard@st.com>
2018-03-13 21:45:37 -04:00
Patrice Chotard
aa5e3e22f4 board: stm32: switch to DM STM32 timer
Use available DM stm32_timer driver instead of dedicated
mach-stm32/stm32fx/timer.c.

Remove all defines or files previously used for timer usage in
arch/arm/include/asm/arch-stm32fx and in arch/arm/mach-stm32/stm32fx

Enable DM STM32_TIMER for STM32F4/F7 and H7.

Signed-off-by: Patrice Chotard <patrice.chotard@st.com>
2018-03-13 21:45:37 -04:00
Patrice Chotard
20fe38e75a clk: clk_stm32f: Move SYSCFG clock setup into configure_clocks()
Move SYSCFG clock setup into configure_clocks() instead of calling
clock_setup() from board file.

As this clock is only needed in case of ethernet enabled and as
both stm32f4 and stm32f7 are using the Designware ethernet IP,
we use CONFIG_ETH_DESIGNWARE to only enable this clock if needed.

Move the RMII setup from board_early_init_f() to board_init()
to insure that RMII bit is set only when clock driver is initialized.

Signed-off-by: Patrice Chotard <patrice.chotard@st.com>
2018-01-28 09:39:15 -05:00
Patrice Chotard
68a69ed2a4 clk: clk_stm32f: Remove STMMAC clock setup
Thanks to 'commit ba1f966725 ("net: designware: add clock support")'
we don't need anymore to setup the STMMAC clock in board.

Signed-off-by: Patrice Chotard <patrice.chotard@st.com>
Reviewed-by: Vikas Manocha <vikas.manocha@st.com>
2018-01-28 09:39:15 -05:00
Patrice Chotard
e23b19f4a8 board: stm32: Add stm32f429-evaluation board support
Add stm32f429-evaluation board support.
For more information, please visit:
http://www.st.com/en/evaluation-tools/stm32429i-eval.html

Signed-off-by: Patrice Chotard <patrice.chotard@st.com>
2018-01-28 09:39:05 -05:00
Patrice Chotard
c0cdd5adc8 board: stm32: add stm32f469-discovery board support
This board offers :

 _ STM32F469NIH6 microcontroller featuring 2 Mbytes of Flash memory
   and 324 Kbytes of RAM in BGA216 package
 _ On-board ST-LINK/V2-1 SWD debugger, supporting USB reenumeration capability:
     _ Mbed-enabled (mbed.org)
     _ USB functions: USB virtual COM port, mass storage, debug port
 _ 4 inches 800x480 pixel TFT color LCD with MIPI DSI interface and capacitive
   touch screen
 _ SAI Audio DAC, with a stereo headphone output jack
 _ 3 MEMS microphones
 _ MicroSD card connector
 _ I2C extension connector
 _ 4Mx32bit SDRAM
 _ 128-Mbit Quad-SPI NOR Flash
 _ Reset and wake-up buttons
 _ 4 color user LEDs
 _ USB OTG FS with Micro-AB connector
 _ Three power supply options:
 _ Expansion connectors and Arduino™ UNO V3 connectors

Signed-off-by: Patrice Chotard <patrice.chotard@st.com>
2018-01-10 08:05:47 -05:00
Patrice Chotard
c8f787760e board: stm32f429-disco: switch to DM STM32 pinctrl and gpio driver
Use available DM stm32f7_gpio.c and pinctrl_stm32.c drivers
instead of board GPIO initialization.

Remove stm32_gpio.c which is no more used and migrate
structs stm32_gpio_regs and stm32_gpio_priv into
arch-stm32f4/gpio.h to not break compilation.

Signed-off-by: Patrice Chotard <patrice.chotard@st.com>
2018-01-10 08:05:46 -05:00
Patrice Chotard
4a56fd484a board: stm32f429-disco: switch to DM STM32 clock driver
Use available DM clk_stm32f.c driver instead of dedicated
mach-stm32/stm32f4/clock.c.

Migrate periph_clock defines from stm32_periph.h directly in
CLK driver. These periph_clock defines will be removed when STMMAC,
TIMER2 and SYSCFG drivers will support DM CLK.

Enable also CLK flag.

Signed-off-by: Patrice Chotard <patrice.chotard@st.com>
2018-01-10 08:05:46 -05:00
Patrice Chotard
2d18d72858 board: stm32f429-disco: switch to DM STM32 serial driver
Remove serial_stm32.c driver and uart init from board file,
use available DM serial_stm32x7.c driver compatible for
STM32F4/F7 and H7 SoCs.

The serial_stm32x7.c driver will be renamed later with a more
generic name as it's shared with all STM32 Socs.

Signed-off-by: Patrice Chotard <patrice.chotard@st.com>
2018-01-10 08:05:46 -05:00
Patrice Chotard
7fd65ef552 board: stm32f429-discovery: switch to DM STM32 sdram driver
Use available DM stm32_sdram.c driver instead of board
SDRAM initialization.
For that, enable OF_CONTROL, OF_EMBED and STM32_SDRAM flags.

Signed-off-by: Patrice Chotard <patrice.chotard@st.com>
2018-01-10 08:05:45 -05:00
Patrice Chotard
c729fb258a mach-stm32: Factorize MPU's region config for STM32 SoCs
MPU's region setup can be factorized between STM32F4/F7/H7 SoCs family
and used a common MPU's region config.

Only one exception for STM32H7 which doesn't have device area
located at 0xA000 0000.

For STM32F4, configure_clocks() need to be moved from arch_cpu_init()
to board_early_init_f().

Signed-off-by: Patrice Chotard <patrice.chotard@st.com>
Reviewed-by: Vikas Manocha <vikas.manocha@st.com>
2017-11-29 22:30:50 -05:00
Patrice Chotard
014a953c4a stm32: migrate clock structs in include/stm32_rcc.h
In order to factorize code between STM32F4 and STM32F7
migrate all structs related to RCC clocks in include/stm32_rcc.h

Signed-off-by: Patrice Chotard <patrice.chotard@st.com>
Reviewed-by: Vikas Manocha <vikas.manocha@st.com>
2017-11-29 22:30:50 -05:00
Patrice Chotard
1537d38619 stv0991: fix STMicroelectronics copyright
Uniformize STMicroelectronics copyrights headers for STV0991
related code.

Signed-off-by: Patrice Chotard <patrice.chotard@st.com>
2017-11-06 09:51:01 -05:00
Patrice Chotard
3bc599c956 stm32: fix STMicroelectronics copyright
Uniformize STMicroelectronics copyrights headers for STM32
related code.

Signed-off-by: Patrice Chotard <patrice.chotard@st.com>
2017-11-06 09:51:01 -05:00
Patrice Chotard
fb48bc448c sti: fix STMicroelectronics copyright
Uniformize all STMicroelectronics copyrights headers for STi
related code.

Signed-off-by: Patrice Chotard <patrice.chotard@st.com>
2017-11-06 09:51:01 -05:00
Patrice Chotard
246771b184 board: Add stm32h7 SoC, discovery and evaluation boards support
This patch adds support for stm32h7 soc family, stm32h743
discovery and evaluation boards.

For more information about STM32H7 series, please visit:
http://www.st.com/en/microcontrollers/stm32h7-series.html

Signed-off-by: Patrice Chotard <patrice.chotard@st.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
2017-09-22 07:40:03 -04:00
Patrice Chotard
4e6eeeac12 board: STiH410-B2260: add fastboot support
Add usb_gadget_handle_interrupts(), board_usb_init(),
board_usb_cleanup() and g_dnl_board_usb_cable_connected()
callbacks needed for FASTBOOT support

Signed-off-by: Patrice Chotard <patrice.chotard@st.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
2017-09-22 07:40:00 -04:00
Simon Glass
00caae6d47 env: Rename getenv/_f() to env_get()
We are now using an env_ prefix for environment functions. Rename these
two functions for consistency. Also add function comments in common.h.

Quite a few places use getenv() in a condition context, provoking a
warning from checkpatch. These are fixed up in this patch also.

Suggested-by: Wolfgang Denk <wd@denx.de>
Signed-off-by: Simon Glass <sjg@chromium.org>
2017-08-16 08:30:24 -04:00
Simon Glass
382bee57f1 env: Rename setenv() to env_set()
We are now using an env_ prefix for environment functions. Rename setenv()
for consistency. Also add function comments in common.h.

Suggested-by: Wolfgang Denk <wd@denx.de>
Signed-off-by: Simon Glass <sjg@chromium.org>
2017-08-16 08:22:18 -04:00
Patrice Chotard
9242ece12b ram: stm32: migrate fmc defines in driver file
Migrate all FMC defines from arch/arm/include/asm/arch-stm32f7/fmc.h
to drivers/ram/stm32_sdram.c

This will avoid to add an additionnal arch-stm32xx/fmc.h file when
a new stm32 family soc will be introduced.

Signed-off-by: Patrice Chotard <patrice.chotard@st.com>
Reviewed-by: Vikas Manocha <vikas.manocha@st.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
2017-07-26 11:29:07 -04:00
Patrice Chotard
122b2d4763 serial: stm32x7: migrate serial struct to driver
This allow to remove include/dm/platform_data/serial_stm32x7.h
which was included in the past by stm32x7 driver and by
stm32f746-disco.c board file.
Since patch 42bf5e7c27 "serial: stm32f7: add device tree support"
this file is no more needed in board file.

Signed-off-by: Patrice Chotard <patrice.chotard@st.com>
Acked-by: Vikas MANOCHA <vikas.manocha@st.com>
2017-07-26 11:26:54 -04:00
Vikas Manocha
1a73bd842e spl: stm32f7: configure for xip booting
With xip booting configuration, we don't need to copy the next image
(U-Boot or linux xipimage) from flash to sdram area.

Flash memory organization is like this:
	spl-U-Boot:	u-boot-spl.bin 	: 0x0800_0000
	U-Boot :	u-boot-dtb.bin	: 0x0800_8000
	linux :		xipImage	: 0x0800_8000

It is also possible to have U-Boot binary & linux binaries configured at
different addresses of flash memory like U-Boot at 0x0800_8000 & linux
xipImage at 0x0800_4000. But in any case, spl-U-Boot needs to be compiled for
U-Boot as next binary with SPL_OS_BOOT option disabled.
By default, spl is configured to boot linux xipImage.

Signed-off-by: Vikas Manocha <vikas.manocha@st.com>
2017-06-09 11:24:00 -04:00
Vikas Manocha
55a3ef714f spl: stm32f7: add kernel boot support
Signed-off-by: Vikas Manocha <vikas.manocha@st.com>
2017-06-09 11:24:00 -04:00
Vikas Manocha
b97476965b stm32: stm32f7: add spl build support
This commit supports booting from stm32 internal nor flash. spl U-Boot
initializes the sdram memory, copies next image (e.g. standard U-Boot)
to sdram & then jumps to entry point.

Here are the flash memory addresses for U-Boot-spl & standard U-Boot:
	- spl U-Boot		: 0x0800_0000
	- standard U-Boot	: 0x0800_8000

To compile u-boot without spl: Remove SUPPORT_SPL configuration
(arch/arm/mach-stm32/Kconfig)

Signed-off-by: Vikas Manocha <vikas.manocha@st.com>
[trini: Rework Kconfig logic a bit]
Signed-off-by: Tom Rini <trini@konsulko.com>
2017-06-09 11:23:55 -04:00
Simon Glass
150c5afe5b dm: gpio: Add live tree support
Add support for requesting GPIOs with a live device tree.

This involves adjusting the function signature for the legacy function
gpio_request_by_name_nodev(), so fix up all callers.

Signed-off-by: Simon Glass <sjg@chromium.org>
Fixes to stm32f746-disco.c:
Signed-off-by: Tom Rini <trini@konsulko.com>
2017-06-01 07:03:10 -06:00
Simon Glass
9d922450aa dm: Use dm.h header when driver mode is used
This header includes things that are needed to make driver build. Adjust
existing users to include that always, even if other dm/ includes are
present

Signed-off-by: Simon Glass <sjg@chromium.org>
2017-06-01 06:57:52 -06:00
Vikas Manocha
57af3cc32a stm32f7: stm32f746-disco: read memory info from device tree
Signed-off-by: Vikas Manocha <vikas.manocha@st.com>
cc: Christophe KERELLO <christophe.kerello@st.com>
2017-05-08 11:57:21 -04:00
Vikas Manocha
2f80a9f72e stm32f746: to switch on user LED1 & read user button
All discovery boards have one user button & one user LED. Here we are
just reading the button status & switching ON the user LED.

Signed-off-by: Vikas Manocha <vikas.manocha@st.com>
cc: Christophe KERELLO <christophe.kerello@st.com>
2017-05-08 11:57:21 -04:00
Vikas Manocha
280057bd7d stm32f7: use stm32f7 gpio driver supporting driver model
With this gpio driver supporting DM, there is no need to enable clocks
for different gpios (for pin muxing) in the board specific code.

Need to increase the allocatable area required before relocation from 0x400 to
0xC00 becuase of 10 new gpio devices(& new gpio class) added in device tree.

Signed-off-by: Vikas Manocha <vikas.manocha@st.com>
cc: Christophe KERELLO <christophe.kerello@st.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
2017-05-08 11:57:21 -04:00
Vikas Manocha
d0b24c1aa9 stm32f7: use clock driver to enable sdram controller clock
This patch also removes the sdram/fmc clock enable from board specific
code.

Signed-off-by: Vikas Manocha <vikas.manocha@st.com>
cc: Christophe KERELLO <christophe.kerello@st.com>
2017-05-08 11:39:04 -04:00
Vikas Manocha
2d9c33ca3f stm32f7: use driver model for sdram initialization
As driver model takes care of pin control configuraion, this patch also
removes the sdram/fmc pin configuration.

Signed-off-by: Vikas Manocha <vikas.manocha@st.com>
cc: Christophe KERELLO <christophe.kerello@st.com>
2017-05-08 11:39:04 -04:00
Vikas Manocha
bf1ae4426b stm32f7: sdram: move sdram driver code to ram drivers area
Signed-off-by: Vikas Manocha <vikas.manocha@st.com>
cc: Christophe KERELLO <christophe.kerello@st.com>
2017-05-08 11:39:02 -04:00
Patrice Chotard
4c4da9fbff board: STiH410-B2260: enable caches
Signed-off-by: Patrice Chotard <patrice.chotard@st.com>
2017-04-08 09:26:49 -04:00
Simon Glass
76b00aca4f board_f: Drop setup_dram_config() wrapper
By making dram_init_banksize() return an error code we can drop the
wrapper. Adjust this and clean up all implementations.

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Stefan Roese <sr@denx.de>
2017-04-05 16:36:51 -04:00
Vikas Manocha
e245f1a5db ARM: DT: stm32f7: add qspi pin contol node
It also removes the qspi pin configuration done during the
board initialization.

Signed-off-by: Vikas Manocha <vikas.manocha@st.com>
2017-03-17 14:15:16 -04:00
Vikas Manocha
c428a95833 ARM: DT: stm32f7: add ethernet pin contol node
It also removes the ethernet pin configuration done during the board
initialization.

Signed-off-by: Vikas Manocha <vikas.manocha@st.com>
2017-03-17 14:15:16 -04:00
Vikas Manocha
e34e19feb7 ARM: DT: stm32f7: add pin control node for serial port pins
And remove the uart pin configuration from board initialization.

Signed-off-by: Vikas Manocha <vikas.manocha@st.com>
2017-03-17 14:15:15 -04:00
Vikas Manocha
b5be8f5ea8 stm32f7: clk: remove usart1 clock enable from board init
Before clock driver availability it was required to enable usart1 clock
for serial init but now with clock driver is taking care of usart1 clock.

Signed-off-by: Vikas Manocha <vikas.manocha@st.com>
2017-03-17 14:15:14 -04:00
Vikas Manocha
42bf5e7c27 serial: stm32f7: add device tree support
This patch adds device tree support for stm32f7 serial driver & removes serial
platform data structure.

Signed-off-by: Vikas Manocha <vikas.manocha@st.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
2017-03-17 14:15:12 -04:00
Patrice Chotard
5cc16d886e board: Add STMicroelectronics STiH410-B2260 support
This is a 96Board compliant board based on STiH410 SoC:
  - 1GB DDR
  - On-Board USB combo WiFi/Bluetooth RTL8723BU
    with PCB soldered antenna
  - Ethernet 1000-BaseT
  - SATA
  - HDMI
  - 2 x USB2.0 type A
  - 1 x USB2.0 type micro-AB
  - SD card slot
  - High speed connector (SD/I2C/USB interfaces)
  - Low speed connector (UART/I2C/GPIO/SPI/PCM interfaces)

Signed-off-by: Patrice Chotard <patrice.chotard@st.com>
Reviewed-by: Tom Rini <trini@konsulko.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
2017-03-14 20:40:21 -04:00
Michael Kurz
d4363baada ARM: SPI: stm32: add stm32f746 qspi driver
This patch adds support for the QSPI IP found in stm32f7 devices.

Signed-off-by: Michael Kurz <michi.kurz@gmail.com>
2017-01-28 14:04:50 -05:00
Michael Kurz
b20b70fcc0 net: stm32: add designware mac glue code for stm32
This patch adds glue code required for enabling the designware
mac on stm32f7 devices.

Signed-off-by: Michael Kurz <michi.kurz@gmail.com>
Acked-by: Joe Hershberger <joe.hershberger@ni.com>
2017-01-28 14:04:47 -05:00
Michael Kurz
081de09d49 ARM: stm32: use clock setup function defined in clock.c
Use the clock setup function defined in clock.c instead of setting the
clock bits directly in the drivers.
Remove register definitions of RCC in rcc.h as these are already
defined in the struct in stm32.h

Signed-off-by: Michael Kurz <michi.kurz@gmail.com>
Reviewed-by: Joe Hershberger <joe.hershberger@ni.com>
Reviewed-by: Vikas Manocha <vikas.manocha@st.com>
2017-01-28 14:04:45 -05:00
Michael Kurz
bad5188be2 ARM: stm32: cleanup stm32f7 files
Cleanup stm32f7 files:
- use BIT macro
- use GENMASK macro
- use rcc struct instead of macro additions

Add missing stm32f7 register in rcc struct

Signed-off-by: Michael Kurz <michi.kurz@gmail.com>
Acked-by: Vikas MANOCHA<vikas.manocha@st.com>
2017-01-28 14:04:43 -05:00
Tom Rini
95d5273303 Revert "stm32: Change USART port to USART6 for stm32f746 discovery board"
Per Vikas' request, the problem this commit is supposed to be solving is
something he doesn't see and further this introduces additional hardware
requirements.

This reverts commit 4b2fd720a7.

Signed-off-by: Tom Rini <trini@konsulko.com>
2016-07-21 15:38:13 -04:00
Toshifumi NISHINAGA
4b2fd720a7 stm32: Change USART port to USART6 for stm32f746 discovery board
This change is to remove a halt at about 200KiB
while sending a large(1MiB) binary to a micro controller using USART1.
USART1 is connected to a PC via an on-board ST-Link debugger
that also functions as a USB-Serial converter.
However, it seems to loss some data occasionally.
So I changed the serial port to USART6 and connected it to the PC using
an FTDI USB-Serial cable, therefore the transmission was successfully
completed.

Signed-off-by: Toshifumi NISHINAGA <tnishinaga.dev@gmail.com>
2016-07-14 18:22:44 -04:00
Toshifumi NISHINAGA
25c1b1353c stm32: Add SDRAM support for stm32f746 discovery board
This patch adds SDRAM support for stm32f746 discovery board.
This patch depends on previous patch.
This patch is based on STM32F4 and emcraft's[1].

[1]:  https://github.com/EmcraftSystems/u-boot

Signed-off-by: Toshifumi NISHINAGA <tnishinaga.dev@gmail.com>
2016-07-14 18:22:43 -04:00
Vikas Manocha
e66c49fa93 stm32: add support for stm32f7 & stm32f746 discovery board
This patch adds support for stm32f7 family & stm32f746 board.

Signed-off-by: Vikas Manocha <vikas.manocha@st.com>
2016-02-24 18:43:57 -05:00
Vikas Manocha
14cec06113 gpio: stm32_gpio: move clock config from driver to board
This patch removes the gpio clock enable from gpio driver & move it in the
board code, making it possible to use the gpio driver with other socs.

Signed-off-by: Vikas Manocha <vikas.manocha@st.com>
2016-02-24 18:42:49 -05:00
Vikas Manocha
dffceb4b15 serial: serial_stm32: move clock config from driver to board
This patch removes the uart clock enable from serial driver & move it in the
board code.

Signed-off-by: Vikas Manocha <vikas.manocha@st.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
2016-02-08 10:10:36 -05:00
Kamil Lulko
665624149a stm32: Convert serial driver to DM
Signed-off-by: Kamil Lulko <kamil.lulko@gmail.com>
Cc: Simon Glass <sjg@chromium.org>
Reviewed-by: Simon Glass <sjg@chromium.org>
2015-12-12 15:56:08 -05:00
Kamil Lulko
5be9356926 Change e-mail address of Kamil Lulko
Signed-off-by: Kamil Lulko <kamil.lulko@gmail.com>
2015-12-05 18:22:32 -05:00
Simon Glass
0abdd9d01a arm: Remove nhk8815 boards and nomadik arch
These boards have not been converted to generic board by the deadline.
Remove them.

Signed-off-by: Simon Glass <sjg@chromium.org>
2015-09-11 14:56:04 -04:00
Antonio Borneo
089fddfde2 stm32f429: pass the device unique ID in DTB
Read device unique ID and set environment variable "serial#".
Value would then be passed to kernel through DTB.

To read ID from DTB, kernel is required to have commit:
3f599875e5202986b350618a617527ab441bf206 (ARM: 8355/1: arch: Show
the serial number from devicetree in cpuinfo)
This commit is already mainline since v4.1-rc1.

Signed-off-by: Antonio Borneo <borneo.antonio@gmail.com>
To: Albert Aribaud <albert.u.boot@aribaud.net>
To: Tom Rini <trini@konsulko.com>
To: Kamil Lulko <rev13@wp.pl>
Cc: u-boot@lists.denx.de
2015-07-27 15:02:14 -04:00
Tom Rini
4905dfc65d Merge branch 'master' of git://git.denx.de/u-boot-spi 2015-07-14 14:13:23 -04:00
Antonio Borneo
8379c79917 stm32f4: fix MAINTAINERS file
When "scripts/get_maintainer.pl" parses "board/.../MAINTAINERS",
it uses the line containing board name as delimiter.
Without this line, the script happily mixes the lines from current
board MAINTAINERS file with lines from another file.

Fix it by adding a reasonable board name.

Tested by comparing output of:
	cat board/st/stm32f429-discovery/MAINTAINERS
	./scripts/get_maintainer.pl -f board/st/stm32f429-discovery

Signed-off-by: Antonio Borneo <borneo.antonio@gmail.com>
To: u-boot@lists.denx.de
To: Kamil Lulko <rev13@wp.pl>
Cc: Tom Rini <trini@konsulko.com>
2015-07-08 21:51:39 -04:00
Vikas Manocha
54afb50025 stv0991: configure clock & pad muxing for qspi
stv0991 has cadence qspi controller for flash interfacing, this
patch configures the device pads & clock for the controller.

Signed-off-by: Vikas Manocha <vikas.manocha@st.com>
Reviewed-by: Jagannadh Teki <jteki@openedev.com>
2015-07-03 13:50:53 +05:30
Vikas Manocha
e0320b746a stv0991: use fdt for serial port platform data
This patch ignores the serial port static platform data at compilation time
in case of device tree control.

Signed-off-by: Vikas Manocha <vikas.manocha@st.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
2015-05-10 09:59:37 -04:00
kunhuahuang
60570df19c stm32f4: add serial print port
Add the stm32F4 board's serial ports support.
User can use it easily.
The user only need to edit the number of the usart.
The patch also fix the serial print out.

Last, this version of patch fix the first patch checkpatch.pl error.
Thanks to Kamil Lulko.

Signed-off-by: kunhuahuang <huangkunhua@gmail.com>
2015-05-10 07:29:38 -04:00
rev13@wp.pl
ed09a554be stm32f4: Add support for stm32f429-discovery board
Signed-off-by: Kamil Lulko <rev13@wp.pl>
Reviewed-by: Tom Rini <trini@konsulko.com>
2015-04-22 12:14:55 -04:00
Simon Glass
ef48f6dd30 Kconfig: Move CONFIG_DESIGNWARE_ETH to Kconfig
Move this to Kconfig and clean up board config files that use it. Also
rename it to CONFIG_ETH_DESIGNWARE to fit with the naming that exists
in drivers/net/Kconfig.

Signed-off-by: Simon Glass <sjg@chromium.org>
Version 1:
Acked-by: Joe Hershberger <joe.hershberger@ni.com>
2015-04-18 11:11:36 -06:00
Masahiro Yamada
13e55b358e ARM: remove redudant information from Kconfig files
- "string" type for SYS_* is defined in arch/Kconfig
 - SYS_CPU "armv7" has been replaced with "select CPU_V7"
 - SYS_SOC "tegra124" is already defined in tegra124/Kconfig

Signed-off-by: Masahiro Yamada <yamada.m@jp.panasonic.com>
Acked-by: Bo Shen <voice.shen@atmel.com>
2015-01-12 09:38:47 -05:00
Masahiro Yamada
2decdd088c stv0991: record defconfig ownership in MAINTAINERS
This commit fixes warnings reported by tools/genboardscfg.py.

Signed-off-by: Masahiro Yamada <yamada.m@jp.panasonic.com>
Cc: Vikas Manocha <vikas.manocha@st.com>
Acked-by: Vikas Manocha <vikas.manocha@st.com>
2015-01-12 09:38:47 -05:00
Vikas Manocha
39e4795a79 dm: stv0991: Move serial to driver model
Signed-off-by: Vikas Manocha <vikas.manocha@st.com>
2014-12-09 15:16:20 -05:00
Vikas Manocha
2ce4eaf4c8 stv0991: enable ethernet support
Signed-off-by: Vikas Manocha <vikas.manocha@st.com>
2014-12-09 15:16:19 -05:00
Vikas Manocha
9fa32b1237 stv0991: Add basic stv0991 architecture support
stv0991 architecture support added. It contains the support for
following blocks
- Timer
- uart

Signed-off-by: Vikas Manocha <vikas.manocha@st.com>
[trini: Add arch/arm/cpu/armv7/Makefile hunk]
Signed-off-by: Tom Rini <trini@ti.com>
2014-12-09 15:16:01 -05:00
Masahiro Yamada
461be2f96e kconfig: remove redundant "string" type in arch and board Kconfigs
Now the types of CONFIG_SYS_{ARCH, CPU, SOC, VENDOR, BOARD, CONFIG_NAME}
are specified in arch/Kconfig.

We can delete the ones in arch and board Kconfig files.

This commit can be easily reproduced by the following command:

find . -name Kconfig -a ! -path ./arch/Kconfig | xargs sed -i -e '
/config[[:space:]]SYS_\(ARCH\|CPU\|SOC\|\VENDOR\|BOARD\|CONFIG_NAME\)/ {
    N
    s/\n[[:space:]]*string//
}
'

Signed-off-by: Masahiro Yamada <yamada.m@jp.panasonic.com>
2014-09-13 16:43:55 -04:00
Masahiro Yamada
16e16fdde2 nomadik: kconfig: move board select menu and common settings
Becuase the board select menu in arch/arm/Kconfig is too big,
move the Nomadik board select menu to nomadik/Kconfig.

Move also common settings (CONFIG_SYS_CPU="arm926ejs" and
CONFIG_SYS_SOC="nomadik").

Signed-off-by: Masahiro Yamada <yamada.m@jp.panasonic.com>
2014-08-30 21:22:00 -04:00
Masahiro Yamada
93d4334f7f Add board MAINTAINERS files
We have switched to Kconfig and the boards.cfg file is going to
be removed. We have to retrieve the board status and maintainers
information from it.

The MAINTAINERS format as in Linux Kernel would be nice
because we can crib the scripts/get_maintainer.pl script.

After some discussion, we chose to put a MAINTAINERS file under each
board directory, not the top-level one because we want to collect
relevant information for a board into a single place.

TODO:
Modify get_maintainer.pl to scan multiple MAINTAINERS files.

Signed-off-by: Masahiro Yamada <yamada.m@jp.panasonic.com>
Suggested-by: Tom Rini <trini@ti.com>
Acked-by: Simon Glass <sjg@chromium.org>
2014-07-30 08:48:06 -04:00
Masahiro Yamada
dd84058d24 kconfig: add board Kconfig and defconfig files
This commit adds:
 - arch/${ARCH}/Kconfig
    provide a menu to select target boards
 - board/${VENDOR}/${BOARD}/Kconfig or board/${BOARD}/Kconfig
    set CONFIG macros to the appropriate values for each board
 - configs/${TARGET_BOARD}_defconfig
    default setting of each board

(This commit was automatically generated by a conversion script
based on boards.cfg)

In Linux Kernel, defconfig files are located under
arch/${ARCH}/configs/ directory.
It works in Linux Kernel since ARCH is always given from the
command line for cross compile.

But in U-Boot, ARCH is not given from the command line.
Which means we cannot know ARCH until the board configuration is done.
That is why all the "*_defconfig" files should be gathered into a
single directory ./configs/.

Signed-off-by: Masahiro Yamada <yamada.m@jp.panasonic.com>
Acked-by: Simon Glass <sjg@chromium.org>
2014-07-30 08:48:01 -04:00
Masahiro Yamada
a79854a90f board: arm: convert makefiles to Kbuild style
Signed-off-by: Masahiro Yamada <yamada.m@jp.panasonic.com>
Cc: Albert ARIBAUD <albert.u.boot@aribaud.net>
Cc: Andreas Bießmann <andreas.devel@googlemail.com>
Cc: Stefano Babic <sbabic@denx.de>
Cc: Prafulla Wadaskar <prafulla@marvell.com>
Cc: Minkyu Kang <mk7.kang@samsung.com>
Cc: Vipin Kumar <vipin.kumar@st.com>
Cc: Tom Warren <twarren@nvidia.com>
Cc: Tom Rini <trini@ti.com>
2013-11-01 11:42:12 -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
Wolfgang Denk
702e6014f1 doc: cleanup - move board READMEs into respective board directories
Also drop a few files referring to no longer / not yet supported
boards.

Signed-off-by: Wolfgang Denk <wd@denx.de>
Cc: Prafulla Wadaskar <prafulla@marvell.com>
Cc: Stefan Roese <sr@denx.de>
Cc: Kim Phillips <kim.phillips@freescale.com>
Cc: Andy Fleming <afleming@gmail.com>
Cc: Jason Jin <jason.jin@freescale.com>
Cc: Stefano Babic <sbabic@denx.de>
Cc: Daniel Schwierzeck <daniel.schwierzeck@googlemail.com>
Acked-by: Stefano Babic <sbabic@denx.de>
Acked-by: Daniel Schwierzeck <daniel.schwierzeck@googlemail.com>
2012-07-29 15:42:02 +02:00
Mike Frysinger
464c79207c punt unused clean/distclean targets
The top level Makefile does not do any recursion into subdirs when
cleaning, so these clean/distclean targets in random arch/board dirs
never get used.  Punt them all.

MAKEALL didn't report any errors related to this that I could see.

Signed-off-by: Mike Frysinger <vapier@gentoo.org>
2011-10-15 22:20:36 +02:00
Alessandro Rubini
afba32bcd6 nhk8815: add support for relocation
This patch defines all the needed symbols in the header file
and removes the now-unused config.mk in board directory.
Changes to board C file as requested.

Signed-off-by: Alessandro Rubini <rubini@gnudd.com>
Signed-off-by: Alessandro Rubini <rubini@unipv.it>
Acked-by: Andrea Gallo <andrea.gallo@stericsson.com>
2011-04-27 19:38:10 +02:00
Alessandro Rubini
cb8948ee52 nhk8815: remove platform.S, which was unused at link time
This source file, which I got by the vendor in their own port,
was not actually executing because lib-based compilation
didn't call lowlevel_init (we have CONFIG_SKIP_LOWLEVEL_INIT).
With the change to object-based linking, an undefined symbol in
this file started hitting in the final link.

Signed-off-by: Alessandro Rubini <rubini@unipv.it>
Acked-by: Andrea Gallo <andrea.gallo@stericsson.com>
2011-04-27 19:38:10 +02:00
Sebastien Carlier
6d8962e814 Switch from archive libraries to partial linking
Before this commit, weak symbols were not overridden by non-weak symbols
found in archive libraries when linking with recent versions of
binutils.  As stated in the System V ABI, "the link editor does not
extract archive members to resolve undefined weak symbols".

This commit changes all Makefiles to use partial linking (ld -r) instead
of creating library archives, which forces all symbols to participate in
linking, allowing non-weak symbols to override weak symbols as intended.
This approach is also used by Linux, from which the gmake function
cmd_link_o_target (defined in config.mk and used in all Makefiles) is
inspired.

The name of each former library archive is preserved except for
extensions which change from ".a" to ".o".  This commit updates
references accordingly where needed, in particular in some linker
scripts.

This commit reveals board configurations that exclude some features but
include source files that depend these disabled features in the build,
resulting in undefined symbols.  Known such cases include:
- disabling CMD_NET but not CMD_NFS;
- enabling CONFIG_OF_LIBFDT but not CONFIG_QE.

Signed-off-by: Sebastien Carlier <sebastien.carlier@gmail.com>
2010-11-17 21:02:18 +01:00
Wolfgang Denk
14d0a02a16 Rename TEXT_BASE into CONFIG_SYS_TEXT_BASE
The change is currently needed to be able to remove the board
configuration scripting from the top level Makefile and replace it by
a simple, table driven script.

Moving this configuration setting into the "CONFIG_*" name space is
also desirable because it is needed if we ever should move forward to
a Kconfig driven configuration system.

Signed-off-by: Wolfgang Denk <wd@denx.de>
2010-10-18 22:07:10 +02:00
Ben Warren
7194ab8095 Convert SMC91111 Ethernet driver to CONFIG_NET_MULTI API
All in-tree boards that use this controller have CONFIG_NET_MULTI
added
Also:
  - changed CONFIG_DRIVER_SMC91111 to CONFIG_SMC91111
  - cleaned up line lengths
  - modified all boards that override weak function in this driver
  - modified all eeprom standalone apps to work with new driver
  - updated blackfin standalone EEPROM app after testing

Signed-off-by: Ben Warren <biggerbadderben@gmail.com>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
2009-10-04 22:37:03 -07:00
Alessandro Rubini
bb4291e625 arm nomadik: add i2c
Signed-off-by: Alessandro Rubini <rubini@unipv.it>
Acked-by: Andrea Gallo <andrea.gallo@stericsson.com>
Acked-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
2009-07-29 09:57:47 +02:00
Alessandro Rubini
f7aa59b29a arm nomadik: allow Nand and OneNand to coexists
The evaluation kit has both Nand and OneNand, both drivers are there
and the two configurations only select a different default for the
jffs partition. This adds the OneNand driver and cleans up storage.

Signed-off-by: Alessandro Rubini <rubini@unipv.it>
Acked-by: Andrea Gallo <andrea.gallo@stericsson.com>
2009-07-06 21:53:06 +02:00
Alessandro Rubini
ee1363f2da arm nomadik: rename board to nhk8815
This is an error in my side in the initial submission: nobody
calls it ""nmdk8815", it's "nomadik hardware kit", nhk8815, instead.

Signed-off-by: Alessandro Rubini <rubini@unipv.it>
Acked-by: Andrea Gallo <andrea.gallo@stericsson.com>
2009-07-06 21:53:00 +02:00
Jean-Christophe PLAGNIOL-VILLARD
10a451cd57 arm: unify linker script
all arm boards except a few use the same cpu linker script
so move it to cpu/$(CPU)

that could be overwrite in following order
SOC
BOARD
via the corresponding config.mk

Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
2009-06-12 20:39:52 +02:00
Detlev Zundel
792a09eb9d Fix e-mail address of Gary Jennejohn.
Signed-off-by: Detlev Zundel <dzu@denx.de>
2009-05-15 22:11:59 +02:00
Trent Piepho
f62fb99941 Fix all linker script to handle all rodata sections
A recent gcc added a new unaligned rodata section called '.rodata.str1.1',
which needs to be added the the linker script.  Instead of just adding this
one section, we use a wildcard ".rodata*" to get all rodata linker section
gcc has now and might add in the future.

However, '*(.rodata*)' by itself will result in sub-optimal section
ordering.  The sections will be sorted by object file, which causes extra
padding between the unaligned rodata.str.1.1 of one object file and the
aligned rodata of the next object file.  This is easy to fix by using the
SORT_BY_ALIGNMENT command.

This patch has not be tested one most of the boards modified.  Some boards
have a linker script that looks something like this:

*(.text)
. = ALIGN(16);
*(.rodata)
*(.rodata.str1.4)
*(.eh_frame)

I change this to:

*(.text)
. = ALIGN(16);
*(.eh_frame)
*(SORT_BY_ALIGNMENT(SORT_BY_NAME(.rodata*)))

This means the start of rodata will no longer be 16 bytes aligned.
However, the boundary between text and rodata/eh_frame is still aligned to
16 bytes, which is what I think the real purpose of the ALIGN call is.

Signed-off-by: Trent Piepho <xyzzy@speakeasy.org>
2009-03-20 22:39:12 +01:00
Alessandro Rubini
d3be1bcae7 Enable Ethernet for Nomadik 8815 Evaluation Kit
This trivially enables Ethernet support in the debug board
by setting up the proper chip select.

Signed-off-by: Alessandro Rubini <rubini@unipv.it>
Acked-by: Andrea Gallo <andrea.gallo@stnwireless.com>
2009-02-22 13:40:31 +01:00
Alessandro Rubini
d5254f149d Initial support for Nomadik 8815 development board
The NMDK8815 board is distributed by ST Microelectornics.
Other (proprietary) code must be run to unlock the CPU before
U-Boot runs. doc/README.nmdk8815 outlines the boot sequence.

This is the initial port, with basic infrastructure and
a working serial port.

Signed-off-by: Alessandro Rubini <rubini@unipv.it>
Acked-by: Andrea Gallo <andrea.gallo@stnwireless.com>
Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
2009-01-24 18:10:37 +01:00