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path: root/arch/arm/mach-rockchip/rk3288/sdram_rk3288.c
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2016-06-19clk: convert API to match reset/mailbox styleStephen Warren
The following changes are made to the clock API: * The concept of "clocks" and "peripheral clocks" are unified; each clock provider now implements a single set of clocks. This provides a simpler conceptual interface to clients, and better aligns with device tree clock bindings. * Clocks are now identified with a single "struct clk", rather than requiring clients to store the clock provider device and clock identity values separately. For simple clock consumers, this isolates clients from internal details of the clock API. * clk.h is split so it only contains the client/consumer API, whereas clk-uclass.h contains the provider API. This aligns with the recently added reset and mailbox APIs. * clk_ops .of_xlate(), .request(), and .free() are added so providers can customize these operations if needed. This also aligns with the recently added reset and mailbox APIs. * clk_disable() is added. * All users of the current clock APIs are updated. * Sandbox clock tests are updated to exercise clock lookup via DT, and clock enable/disable. * rkclk_get_clk() is removed and replaced with standard APIs. Buildman shows no clock-related errors for any board for which buildman can download a toolchain. test/py passes for sandbox (which invokes the dm clk test amongst others). Signed-off-by: Stephen Warren <swarren@nvidia.com> Acked-by: Simon Glass <sjg@chromium.org>
2016-05-02Revert "rockchip: rk3288: correct sdram setting"Vagrant Cascadian
This reverts commit b5788dc0dd9570e98552833767f4373db965985d. Ram size is incorrectly reported as 512MB on a firefly-rk3288 board with 2GB of ram. Reverting this patch displays the full amount of ram. Signed-off-by: Vagrant Cascadian <vagrant@debian.org> Acked-by: Simon Glass <sjg@chromium.org>
2016-03-14dm: Use uclass_first_device_err() where it is usefulSimon Glass
Use this new function in places where it simplifies the code. Signed-off-by: Simon Glass <sjg@chromium.org>
2016-03-10rockchip: rk3288: correct sdram settingChris Zhong
The DMC driver in v3.14 kernel[0] get the ddr setting from PMU_SYS_REG2, and it expects uboot to store the value using a same protocol. But now the ddr setting value is different with DMC, so if you enable the DMC, system would crash in kernel. Correct the sdram setting here, according to the requirements of kernel. [0] https://chromium.googlesource.com/chromiumos/third_party/kernel/+/ chromeos-3.14/drivers/clk/rockchip/clk-rk3288-dmc.c Signed-off-by: Chris Zhong <zyw@rock-chips.com> Acked-by: Simon Glass <sjg@chromium.org>
2016-01-21rockchip: spl: Support full-speed CPU in SPLSimon Glass
Add a feature which speeds up the CPU to full speed in SPL to minimise boot time. This is only supported for certain boards (at present only jerry). Signed-off-by: Simon Glass <sjg@chromium.org>
2016-01-21rockchip: sdram: Use syscon_get_first_range() where possibleSimon Glass
This is a shortcut to obtaining a register address. Use it where possible, to simplify the code. Signed-off-by: Simon Glass <sjg@chromium.org>
2016-01-21rockchip: sdram: Tidy up a few commentsSimon Glass
Fix spaces in two comments in this file. Signed-off-by: Simon Glass <sjg@chromium.org>
2016-01-21rockchip: sdram: Use the rk_clr/setreg() interfaceSimon Glass
Use this function in preference to the macro. Signed-off-by: Simon Glass <sjg@chromium.org>
2015-09-02rockchip: rk3288: Add SDRAM initSimon Glass
Add code to set up the SDRAM in SPL, ready for loading U-Boot. This uses device tree for configuration so should be able to support other RAM configurations. It may be possible to generalise the code to support other SoCs at some point. Signed-off-by: Simon Glass <sjg@chromium.org>