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* kconfig: move CONFIG_DEFAULT_DEVICE_TREE to kconfigMasahiro Yamada2014-09-25-3/+0
| | | | | | | | | | | This option specifies the default Device Tree used for the run-time configuration of U-Boot. Signed-off-by: Masahiro Yamada <yamada.m@jp.panasonic.com> Cc: Simon Glass <sjg@chromium.org> Cc: Stephen Warren <swarren@nvidia.com> Cc: Minkyu Kang <mk7.kang@samsung.com> Cc: Michal Simek <michal.simek@xilinx.com>
* kconfig: move CONFIG_OF_* to KconfigMasahiro Yamada2014-09-25-2/+0
| | | | | | | | | | | | | | | | | | | | | | This commit moves: CONFIG_OF_CONTROL CONFIG_OF_SEPARATE CONFIG_OF_EMBED CONFIG_OF_HOSTFILE Because these options are currently not supported for SPL, the "Device Tree Control" menu does not appear in the SPL configuration. Note: zynq-common.h should be adjusted so as not to change the default value of CONFIG_SPL_FAT_LOAD_PAYLOAD_NAME. Signed-off-by: Masahiro Yamada <yamada.m@jp.panasonic.com> Acked-by: Simon Glass <sjg@chromium.org> Cc: Stephen Warren <swarren@nvidia.com> Cc: Minkyu Kang <mk7.kang@samsung.com> Acked-by: Michal Simek <michal.simek@xilinx.com>
* ARM: tegra: use a CPU freq that all SKUs can supportStephen Warren2014-05-13-0/+3
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | U-Boot on Tegra30 currently selects a main CPU frequency that cannot be supported at all on some SKUs, and needs higher VDD_CPU/VDD_CORE values on some others. This can result in unreliable operation of the main CPUs. Resolve this by switching to a CPU frequency that can be supported by any SKU. According to the following link, the maximum supported CPU frequency of the slowest Tegra30 SKU is 600MHz: repo http://nv-tegra.nvidia.com/gitweb/?p=linux-2.6.git;a=summary branch l4t/l4t-r16-r2 path arch/arm/mach-tegra/tegra3_dvfs.c table cpu_dvfs_table[] According to that same table, the minimum VDD_CPU required to operate at that frequency across all SKUs is 1.007V. Given the adjustment resolution of the TPS65911 PMIC that's used on all Tegra30-based boards we support, we'll end up using 1.0125V instead. At that VDD_CPU, tegra3_get_core_floor_mv() in that same file dictates that VDD_CORE must be at least 1.2V on all SKUs. According to tegra_core_speedo_mv() (in tegra3_speedo.c in the same source tree), that voltage is safe for all SKUs. An alternative would be to port much of the code from tegra3_dvfs.c and tegra3_speedo.c in the kernel tree mentioned above. That's more work than I want to take on right now. While all the currently supported boards use the same regulator chip for VDD_CPU, different types of regulators are used for VDD_CORE. Hence, we add some small conditional code to select how VDD_CORE is programmed. If this becomes more complex in the future as new boards are added, or we end up adding code to detect the SoC SKU and dynamically determine the allowed frequency and required voltages, we should probably make this a runtime call into a function provided by the board file and/or relevant PMIC driver. Cc: Alban Bedel <alban.bedel@avionic-design.de> Cc: Marcel Ziswiler <marcel@ziswiler.com> Cc: Bard Liao <bardliao@realtek.com> Signed-off-by: Stephen Warren <swarren@nvidia.com> Signed-off-by: Tom Warren <twarren@nvidia.com>
* sizes.h - consolidate for all architecturesAlexey Brodkin2014-03-04-1/+1
| | | | | | | | | | | | | | | | Copied from Linux sources "include/linux/sizes.h" commit 413541dd66d51f791a0b169d9b9014e4f56be13c Signed-off-by: Alexey Brodkin <abrodkin@synopsys.com> Cc: Vineet Gupta <vgupta@synopsys.com> Cc: Tom Rini <trini@ti.com> Cc: Stefan Roese <sr@denx.de> Cc: Albert Aribaud <albert.u.boot@aribaud.net> Acked-by: Tom Rini <trini@ti.com> Acked-by: Stefan Roese <sr@denx.de> [trini: Add bcm Kona platforms to the patch] Signed-off-by: Tom Rini <trini@ti.com>
* ARM: tegra: set env vars to indicate Cardhu A04 supportStephen Warren2014-02-03-0/+4
| | | | | | | | | | | | | | | The U-Boot "cardhu" build supports only revision 4 of the Cardhu board and later compatible revisions. Hence, set $board_name in the default environment to "cardhu-a04" rather than just "cardhu". The Linux kernel has separate DTs for Cardhu A02 and A04, although the former isn't really supported any more. Consequently, the kernel DT file that matches the U-Boot cardhu build is "tegra30-cardhu-a04.dtb" rather than "tegra30-cardhu.dtb". Set the $fdtfile default environment variable to reflect this. Signed-off-by: Stephen Warren <swarren@nvidia.com> Signed-off-by: Tom Warren <twarren@nvidia.com>
* tegra: i2c: Enable new CONFIG_SYS_I2C frameworkSimon Glass2013-07-23-1/+2
| | | | | | | | This enables CONFIG_SYS_I2C on Tegra, updating existing boards and the Tegra i2c driver to support this. Signed-off-by: Simon Glass <sjg@chromium.org> Signed-off-by: Heiko Schocher <hs@denx.de>
* Merge branch 'master' of git://git.denx.de/u-boot-armTom Rini2013-07-12-0/+14
|\ | | | | | | | | | | | | | | | | | | Fix a trivial conflict in arch/arm/dts/exynos5250.dtsi about gpio and serial. Conflicts: arch/arm/dts/exynos5250.dtsi Signed-off-by: Tom Rini <trini@ti.com>
| * Tegra: Config: Enable Tegra30/Tegra114 USB functionJim Lin2013-07-11-0/+14
| | | | | | | | | | | | | | | | | | | | Add USB EHCI, storage and network support. Tested on Tegra30 Cardhu, and Tegra114 Dalmore platforms. All works well. Signed-off-by: Jim Lin <jilin@nvidia.com> Signed-off-by: Tom Warren <twarren@nvidia.com>
* | ARM: tegra: make use of negative ENV_OFFSET on NVIDIA boardsStephen Warren2013-06-13-1/+1
|/ | | | | | | | | | | Use a negative value of CONFIG_ENV_OFFSET for all NVIDIA reference boards that store the U-Boot environment in the 2nd eMMC boot partition. This makes U-Boot agnostic to the size of the eMMC boot partition, which can vary depending on which eMMC device was actually stuffed into the board. Signed-off-by: Stephen Warren <swarren@nvidia.com> Acked-by: Tom Warren <twarren@nvidia.com> Signed-off-by: Andy Fleming <afleming@freescale.com>
* tegra: spi: rename tegra SPI driversAllen Martin2013-03-25-1/+1
| | | | | | | | | Rename tegra SPI drivers to tegra20_flash and tegra20_slink in preparation for commonization and addition of tegra114_spi. Signed-off-by: Allen Martin <amartin@nvidia.com> Signed-off-by: Tom Warren <twarren@nvidia.com> Reviewed-by: Stephen Warren <swarren@nvidia.com>
* ARM: tegra: enable a common set of disk-related commands everywhereStephen Warren2013-03-14-8/+0
| | | | | | | | | | | | | | | Enable a common set of partition types, filesystems, and related commands in tegra-common.h, so that they are available on all Tegra boards. This allows boot.scr (loaded and executed by the default built-in environment) on those boards to assume that certain features are always available. Do this in tegra-common.h, so that individual board files can undefine the features if they really don't want any of them. Signed-off-by: Stephen Warren <swarren@nvidia.com> Acked-by: Simon Glass <sjg@chromium.org> Signed-off-by: Tom Warren <twarren@nvidia.com>
* Tegra30: MMC: Enable DT MMC driver support for Tegra30 Cardhu boardsTom Warren2013-03-14-1/+19
| | | | | | | | | Tested on my Cardhu-A04 tablet, eMMC and SD-Card work fine, can load a kernel off of an SD card OK, card detect works, and the env is now stored in eMMC (end of the 2nd 'boot' sector, same as Tegra20). Signed-off-by: Tom Warren <twarren@nvidia.com> Reviewed-by: Stephen Warren <swarren@nvidia.com>
* tegra: cardhu: config: enable SPIAllen Martin2013-02-11-0/+11
| | | | | | | | Turn on SPI in cardhu config file Signed-off-by: Allen Martin <amartin@nvidia.com> Acked-by: Simon Glass <sjg@chromium.org> Signed-off-by: Tom Warren <twarren@nvidia.com>
* Tegra30: I2C: Enable I2C driver on CardhuTom Warren2013-01-16-0/+54
Tested all 5 'buses', i2c probe enumerates device addresses on all but dev 4 (I2C4) [no devices on that bus on my Cardhu]. Note that this uses the extant tegra_i2c.c driver w/o modification. Signed-off-by: Tom Warren <twarren@nvidia.com>
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