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* Merge branch 'master' of git://git.denx.de/u-boot-samsungTom Rini2016-07-15-74/+95
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| * mmc: exynos_dw_mmc: support the Driver mode for ExynosJaehoon Chung2016-07-12-0/+72
| | | | | | | | | | | | | | | | | | This patch support the driver mode for exynos dwmmc controller. To support the legacy model, maintained the existing code. Signed-off-by: Jaehoon Chung <jh80.chung@samsung.com> Reviewed-by: Simon Glass <sjg@chromium.org> Signed-off-by: Minkyu Kang <mk7.kang@samsung.com>
| * mmc: exynos_dw_mmc: use the 4bit bus-width by defaultJaehoon Chung2016-07-12-6/+2
| | | | | | | | | | | | | | | | | | | | If there is not "samsung,bus-width" property, use the 4bit buswidth by default. Almost all Exnyos SoCs support at least 4bit buswidth. Signed-off-by: Jaehoon Chung <jh80.chung@samsung.com> Reviewed-by: Simon Glass <sjg@chromium.org> Signed-off-by: Minkyu Kang <mk7.kang@samsung.com>
| * mmc: exynos_dw_mmc: clean the unused and unnecessary codesJaehoon Chung2016-07-12-22/+9
| | | | | | | | | | | | | | | | | | | | Clean the unused and unnecessary codse. This patch is one of them for preparing to use DM. Because it's easy to maintain and combine DM after cleaning codes. Signed-off-by: Jaehoon Chung <jh80.chung@samsung.com> Reviewed-by: Simon Glass <sjg@chromium.org> Signed-off-by: Minkyu Kang <mk7.kang@samsung.com>
| * mmc: exynos_dw_mmc: add the error control for checking indexJaehoon Chung2016-07-12-0/+5
| | | | | | | | | | | | | | | | | | | | | | | | | | PERIPH_ID_SDMMC4(131) is not continous value with PERIPH_ID_SDMMC0(75). If there is no 'index' property in fdt, then dev_index should be assigned to dev_id(Peripheral ID). At this time, dev_index should be "56". It means Exynos SoC has "56" numbers of DWMMC IP. To prevent this behavior, it needs to check the maximum device index. Signed-off-by: Jaehoon Chung <jh80.chung@samsung.com> Reviewed-by: Simon Glass <sjg@chromium.org> Signed-off-by: Minkyu Kang <mk7.kang@samsung.com>
| * mmc: exynos_dw_mmc: remove #ifdef for OF_CONTROLJaehoon Chung2016-07-12-2/+0
| | | | | | | | | | | | | | | | | | Removed #ifdef for OF_CONTROL. It might use 'OF_CONTROL' by default. Signed-off-by: Jaehoon Chung <jh80.chung@samsung.com> Reviewed-by: Simon Glass <sjg@chromium.org> Signed-off-by: Minkyu Kang <mk7.kang@samsung.com>
| * mmc: exynos_dw_mmc: remove the unused functionJaehoon Chung2016-07-12-37/+0
| | | | | | | | | | | | | | | | | | | | This function have maintained for supporting Non-FDT. Now, Almost all SoC are changed to fdt style. So there are no that this function is called anywhere. Signed-off-by: Jaehoon Chung <jh80.chung@samsung.com> Reviewed-by: Simon Glass <sjg@chromium.org> Signed-off-by: Minkyu Kang <mk7.kang@samsung.com>
| * ARM: exynos4: dts: add the prefix '/' for aliases nodesJaehoon Chung2016-07-12-10/+10
| | | | | | | | | | | | | | It's correct to use '/' as prefix for aliases nodes. Signed-off-by: Jaehoon Chung <jh80.chung@samsung.com> Signed-off-by: Minkyu Kang <mk7.kang@samsung.com>
* | Merge git://git.denx.de/u-boot-dmTom Rini2016-07-15-130/+2495
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| * | dm: Update the of-platdata README for the new featuresSimon Glass2016-07-14-34/+76
| | | | | | | | | | | | | | | | | | | | | | | | Revise the content based on the v2 additions. This is kept as a separate patch to avoid confusing those who have already reviewed the v1 series. Signed-off-by: Simon Glass <sjg@chromium.org> Suggested-by: Tom Rini <trini@konsulko.com>
| * | dm: Add a test for of-platdataSimon Glass2016-07-14-0/+42
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Add a simple test which checks that the of-platdata system is working correctly. The sequence is as follows: - SPL starts up and probes all the UCLASS_MISC drivers - There are 3 of these in sandbox.dts - Therefore there should be 3 U_BOOT_DEVICE() declarations in dt-platdata.c - These should produce 3 sandbox_spl_test devices - Each device prints out its platform data when probed - This test checks for this output and compares it against expectations Signed-off-by: Simon Glass <sjg@chromium.org>
| * | test/py: Start sandbox SPL when enabledSimon Glass2016-07-14-1/+5
| | | | | | | | | | | | | | | | | | | | | When sandbox SPL is enabled we want to start that rather than U-Boot proper, since some tests may rely on running it first. Signed-off-by: Simon Glass <sjg@chromium.org>
| * | test/py: Provide a way to get early console outputSimon Glass2016-07-14-0/+23
| | | | | | | | | | | | | | | | | | | | | Some tests want to check the console output from SPL or U-Boot proper. Provide a means to do this. Signed-off-by: Simon Glass <sjg@chromium.org>
| * | test/py: Note which console produced unexpected outputSimon Glass2016-07-14-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | At present the SPL and U-Boot consoles both present the same error message when the expected console output does not appear. Add "SPL" to the SPL error message to resolve this ambiguity. Signed-off-by: Simon Glass <sjg@chromium.org>
| * | test/py: Handle testing with the sandbox_spl boardSimon Glass2016-07-14-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This board can sometimes be used for tests. Handle it the same way as sandbox. Note: I plan to drop the sandbox_spl board at some point and merge its features into sandbox. So this commit may not be necessary. Signed-off-by: Simon Glass <sjg@chromium.org>
| * | rockchip: Use of-platdata for firefly-rk3288Simon Glass2016-07-14-0/+3
| | | | | | | | | | | | | | | | | | | | | | | | As an experiment, move this board over to use of-platdata. This means that its SPL configuration will come from C structures generated at build-time from the device tree, instead of coming from the device tree at run-time. Signed-off-by: Simon Glass <sjg@chromium.org>
| * | rockchip: sdram: Update the driver to support of-platdataSimon Glass2016-07-14-1/+39
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Add support for of-platdata with rk3288 SDRAM initr. This requires decoding the of-platdata struct and setting up the device from that. Also the driver needs to be renamed to match the string that of-platdata will search for. The platform data is copied from the of-platdata structure to the one used by the driver. This allows the same code to be used with device tree and of-platdata. Signed-off-by: Simon Glass <sjg@chromium.org>
| * | rockchip: sdram: Move all DT decoding to ofdata_to_platdata()Simon Glass2016-07-14-38/+64
| | | | | | | | | | | | | | | | | | | | | | | | | | | It is more correct to avoid touching the device tree in the probe() method. Update the driver to work this way. Note that only SPL needs to fiddle with the SDRAM registers, so decoding the platform data fully is not necessary in U-Boot proper. Signed-off-by: Simon Glass <sjg@chromium.org>
| * | rockchip: syscon: Update to work with of-platdataSimon Glass2016-07-14-0/+38
| | | | | | | | | | | | | | | | | | | | | | | | | | | The syscon devices all end up having diffent driver names with of-platdata, since the driver name comes from the first string in the compatible list. Add separate device declarations for each one, and add a bind method to set up driver_data correctly. Signed-off-by: Simon Glass <sjg@chromium.org>
| * | rockchip: Don't use spl_boot_device() with of-platdataSimon Glass2016-07-14-0/+2
| | | | | | | | | | | | | | | | | | | | | This function cannot look at the device tree when of-platdata is used. Update the code to handle this. Signed-off-by: Simon Glass <sjg@chromium.org>
| * | rockchip: Move the MMC setup check earlierSimon Glass2016-07-14-11/+12
| | | | | | | | | | | | | | | | | | | | | When the boot ROM sets up MMC we don't need to do it again. Remove the MMC setup code entirely. Signed-off-by: Simon Glass <sjg@chromium.org>
| * | rockchip: pinctrl: Update the rk3288 driver to support of-platdataSimon Glass2016-07-14-1/+7
| | | | | | | | | | | | | | | | | | | | | | | | Add support for of-platdata with rk3288. This requires disabling access to the device tree and renaming the driver to match the string that of-platdata will search for. Signed-off-by: Simon Glass <sjg@chromium.org>
| * | rockchip: clk: Update the rk3288 driver to support of-platdataSimon Glass2016-07-14-2/+18
| | | | | | | | | | | | | | | | | | | | | | | | Add support for of-platdata with rk3288. This requires decoding the of-platdata struct and setting up the devices from that. Also the driver needs to be renamed to match the string that of-platdata will search for. Signed-off-by: Simon Glass <sjg@chromium.org>
| * | rockchip: clk: Move all DT decoding to ofdata_to_platdata()Simon Glass2016-07-14-1/+12
| | | | | | | | | | | | | | | | | | | | | | | | It is more correct to avoid touching the device tree in the probe() method. Update the driver to work this way. Also add an error check on grf since if that fails then we should not use it. Signed-off-by: Simon Glass <sjg@chromium.org>
| * | rockchip: mmc: Update the driver to support of-platdataSimon Glass2016-07-14-3/+26
| | | | | | | | | | | | | | | | | | | | | | | | Add support for of-platdata with rk3288. This requires decoding the of-platdata struct and setting up the device from that. Also the driver needs to be renamed to match the string that of-platdata will search for. Signed-off-by: Simon Glass <sjg@chromium.org>
| * | rockchip: mmc: Move all DT decoding to ofdata_to_platdata()Simon Glass2016-07-14-15/+17
| | | | | | | | | | | | | | | | | | | | | It is more correct to avoid touching the device tree in the probe() method. Update the driver to work this way. Signed-off-by: Simon Glass <sjg@chromium.org>
| * | rockchip: Update the sdram-channel property to support of-platdataSimon Glass2016-07-14-1/+8
| | | | | | | | | | | | | | | | | | | | | Add an extra byte so that this data is not byteswapped. Add a comment to the code to explain the purpose. Signed-off-by: Simon Glass <sjg@chromium.org>
| * | rockchip: serial: Add an of-platdata driver for rockchipSimon Glass2016-07-14-0/+55
| | | | | | | | | | | | | | | | | | | | | Add a driver that works with of-platdata. It sets up the platform data and calls the standard ns16550 driver. Signed-off-by: Simon Glass <sjg@chromium.org>
| * | dm: serial: ns16550: Update to support of-platdataSimon Glass2016-07-14-1/+3
| | | | | | | | | | | | | | | | | | | | | | | | | | | With of-platdata this driver cannot know the format of the of-platdata struct, so we cannot use generic code for accessing the of-platdata. Each SoC that uses this driver will need to set up ns16550's platdata for it. So don't compile in the generic code. Signed-off-by: Simon Glass <sjg@chromium.org>
| * | dm: core: Add an implementation of regmap_init_mem_platdata()Simon Glass2016-07-14-3/+30
| | | | | | | | | | | | | | | | | | | | | | | | Add an implementation of this function which mirrors the functions of the automatic device-tree implementation. This can be used with of-platdata to create regmaps. Signed-off-by: Simon Glass <sjg@chromium.org>
| * | dm: core: Move regmap allocation into a separate functionSimon Glass2016-07-14-12/+22
| | | | | | | | | | | | | | | | | | | | | We plan to add a new way of creating a regmap for of-platdata. Move the allocation code into a separate function so that it can be shared. Signed-off-by: Simon Glass <sjg@chromium.org>
| * | dm: sandbox: Enable of-platdata for sandbox_splSimon Glass2016-07-14-0/+1
| | | | | | | | | | | | | | | | | | Enable this feature so that we can use it for testing in sandbox_spl. Signed-off-by: Simon Glass <sjg@chromium.org>
| * | sandbox: Don't bring in the eeprom emulator in SPLSimon Glass2016-07-14-0/+2
| | | | | | | | | | | | | | | | | | | | | This driver should not be used in SPL since we do not have I2C support enabled in SPL on sandbox. Signed-off-by: Simon Glass <sjg@chromium.org>
| * | dm: core: Expand platdata for of-platdata devicesSimon Glass2016-07-14-11/+41
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Devices which use of-platdata have their own platdata. However, in many cases the driver will have its own auto-alloced platdata, for use with the device tree. The ofdata_to_platdata() method converts the device tree settings to platdata. With of-platdata we would not normally allocate the platdata since it is provided by the U_BOOT_DEVICE() declaration. However this is inconvenient since the of-platdata struct is closely tied to the device tree properties. It is unlikely to exactly match the platdata needed by the driver. In fact a useful approach is to declare platdata in the driver like this: struct r3288_mmc_platdata { struct dtd_rockchip_rk3288_dw_mshc of_platdata; /* the 'normal' fields go here */ }; In this case we have dt_platadata available, but the normal fields are not present, since ofdata_to_platdata() is never called. In fact driver model doesn't allocate any space for the 'normal' fields, since it sees that there is already platform data attached to the device. To make this easier, adjust driver model to allocate the full size of the struct (i.e. platdata_auto_alloc_size from the driver) and copy in the of-platdata. This means that when the driver's bind() method is called, the of-platdata will be present, followed by zero bytes for the empty 'normal field' portion. A new DM_FLAG_OF_PLATDATA flag is available that indicates that the platdata came from of-platdata. When the allocation/copy happens, the DM_FLAG_ALLOC_PDATA flag will be set as well. The dtoc tool is updated to output the platdata_size field, since U-Boot has no other way of knowing the size of the of-platdata struct. Signed-off-by: Simon Glass <sjg@chromium.org>
| * | dm: Don't attach the device tree to SPL with of-platdataSimon Glass2016-07-14-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | When of-platdata is used in SPL we don't use the device tree. So there is no point in attaching it. Adjust the Makefile to skip attaching the device tree when of-platdata is enabled. Signed-off-by: Simon Glass <sjg@chromium.org>
| * | dtoc: Ignore the u-boot, dm-pre-reloc propertySimon Glass2016-07-14-0/+1
| | | | | | | | | | | | | | | | | | This property is not useful for of-platdata, so omit it. Signed-off-by: Simon Glass <sjg@chromium.org>
| * | dm: core: Rename DM_NAME_ALLOCED to DM_FLAG_NAME_ALLOCEDSimon Glass2016-07-14-4/+4
| | | | | | | | | | | | | | | | | | This is a flag. Adjust the name to be consistent with the other flags. Signed-off-by: Simon Glass <sjg@chromium.org>
| * | dm: spl: Bind in all devices in SPL with of-platdataSimon Glass2016-07-14-1/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | When CONFIG_OF_PLATDATA is enabled, we cannot use the u-boot,dm-pre-reloc device tree property since the device tree is not available. However, dt-platdata.c only includes devices which would have been present in the device tree, and we can assume that all such devices are needed for SPL. If they were not needed, they would have been omitted to save space. So in this case, bind all devices regardless of the u-boot,dm-pre-reloc setting. This avoids needing to add a DM_FLAG_PRE_RELOC to every driver, thus affecting U-Boot proper also. Signed-off-by: Simon Glass <sjg@chromium.org>
| * | tiny-printf: Support assert()Simon Glass2016-07-14-0/+9
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | At present assert() is not supported with tiny-printf, so when DEBUG is enabled a build error is generated for each assert(). Add an __assert_fail() function to correct this. It prints a message and then hangs. Signed-off-by: Simon Glass <sjg@chromium.org>
| * | Only build the libfdt python module if 'swig' is availableSimon Glass2016-07-14-1/+4
| | | | | | | | | | | | | | | | | | | | | When swig is not available, we can still build correctly. So make this optional. Add a comment about how to enable this build. Signed-off-by: Simon Glass <sjg@chromium.org>
| * | dm: Add a more efficient libfdt librarySimon Glass2016-07-14-2/+339
| | | | | | | | | | | | | | | | | | | | | | | | Add a Python version of the libfdt library which contains enough features to support the dtoc tool. This is only a very bare-bones implementation. It requires the 'swig' to build. Signed-off-by: Simon Glass <sjg@chromium.org>
| * | dm: Makefile: Build of-platdata files when the feature is enabledSimon Glass2016-07-14-3/+36
| | | | | | | | | | | | | | | | | | | | | Update the Makefile to call dtoc to create the C header and source files, then build these into the image. Signed-off-by: Simon Glass <sjg@chromium.org>
| * | dm: Add a tool to generate C code from a device treeSimon Glass2016-07-14-0/+392
| | | | | | | | | | | | | | | | | | | | | This tool can produce C struct definitions and C platform data tables. This is used to support the of-platdata feature. Signed-off-by: Simon Glass <sjg@chromium.org>
| * | dm: Add a library to provide simple device-tree accessSimon Glass2016-07-14-0/+294
| | | | | | | | | | | | | | | | | | | | | This Python library provides a way to access the contents of the device tree. It uses fdtget, so is inefficient for larger device tree files. Signed-off-by: Simon Glass <sjg@chromium.org>
| * | dm: Add a README for of-platdataSimon Glass2016-07-14-0/+268
| | | | | | | | | | | | | | | | | | Add documentation on how this works, including the benefits and drawbacks. Signed-off-by: Simon Glass <sjg@chromium.org>
| * | dm: Add an option to enable the of-platdata featureSimon Glass2016-07-14-0/+21
| | | | | | | | | | | | | | | | | | Add a Kconfig option to enable this feature. Signed-off-by: Simon Glass <sjg@chromium.org>
| * | dm: Don't include fdtdec functions when of-platdata is enabledSimon Glass2016-07-14-3/+2
| | | | | | | | | | | | | | | | | | | | | We cannot access the device tree in this case, so avoid compiling in the various device-tree helper functions. Signed-off-by: Simon Glass <sjg@chromium.org>
| * | dm: serial: Add support for of-platdataSimon Glass2016-07-14-1/+7
| | | | | | | | | | | | | | | | | | | | | When this feature is enabled, we cannot access the device tree to find out which serial device to use. Just use the first serial driver we find. Signed-off-by: Simon Glass <sjg@chromium.org>
| * | dm: clk: Add support for of-platdataSimon Glass2016-07-14-2/+26
| | | | | | | | | | | | | | | | | | Add support for this feature in the core clock code. Signed-off-by: Simon Glass <sjg@chromium.org>
| * | dm: Add a header that provides access to the of-platdata structsSimon Glass2016-07-14-0/+19
| | | | | | | | | | | | | | | | | | | | | | | | This header can be included from anywhere, but will only pull in the of-platdata struct definitions when this feature is enabled (and only in SPL). Signed-off-by: Simon Glass <sjg@chromium.org>
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