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path: root/arch/x86/cpu/broadwell/cpu.c
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2019-10-08x86: Add common functions for TDP and perf controlSimon Glass
These functions are the same on modern Intel CPUs, so use common code to set them. Signed-off-by: Simon Glass <sjg@chromium.org> Reviewed-by: Bin Meng <bmeng.cn@gmail.com> [bmeng: return false instead of 0 in cpu_ivybridge_config_tdp_levels(); fix 'muiltiplier' and 'desgn' typos] Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
2019-10-08x86: Use a common bus clock for Intel CPUsSimon Glass
Modern Intel CPUs use a standard bus clock value of 100MHz, so put this in a common file and tidy up the copies. Signed-off-by: Simon Glass <sjg@chromium.org> Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
2019-10-08x86: Use a common definition of MSR_IA32_PERF_CTLSimon Glass
Remove the duplicate definition as it is not needed. Signed-off-by: Simon Glass <sjg@chromium.org> Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
2019-10-08x86: pci: Drop the first parameter in pci_x86_r/w_config()Simon Glass
This parameter is needed by the PCI driver-mode interface but is always NULL on x86. There are a number of calls to this function so it makes sense to minimise the parameters. Adjust the x86 function to omit the first parameter, and introduce stub functions to handle the conversion. Signed-off-by: Simon Glass <sjg@chromium.org> Reviewed-by: Bin Meng <bmeng.cn@gmail.com> [bmeng: rebase the patch against u-boot-x86/next to get it applied cleanly] Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
2019-10-08x86: spl: Move broadwell-specific code out of generic x86 splSimon Glass
When TPL is running, broadwell needs to do different init from SPL. There is no need for this code to be in the generic x86 SPL file, so move it to arch_cpu_init(). Signed-off-by: Simon Glass <sjg@chromium.org> Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
2019-05-08x86: broadwell: Split CPU initSimon Glass
Split the CPU init into two parts - the 'full' init which happens in the first U-Boot phase, and the rest of the init that happens on subsequent stages. Signed-off-by: Simon Glass <sjg@chromium.org> Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
2019-05-08x86: broadwell: Move init of debug UART to cpu.cSimon Glass
At present the debug UART is set up in sdram.c which is not the best place since it has nothing in particular to do with SDRAM. Since we want to support initing this in SPL too, move it to a common file. Signed-off-by: Simon Glass <sjg@chromium.org> Reviewed-by: Bin Meng <bmeng.cn@gmail.com> [bmeng: added 'broadwell' tag in the commit title] Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
2018-11-14cpu: Add DM_FLAG_PRE_RELOC flag to various cpu driversBin Meng
It turns out commit c0434407b595 broke some boards which have DM CPU driver with CONFIG_DISPLAY_CPUINFO option on. These boards just fail to boot when print_cpuinfo() is called during boot. Fixes: c0434407b595 ("board_f: Use static print_cpuinfo if CONFIG_CPU is active") Reported-by: Stefan Roese <sr@denx.de> Signed-off-by: Bin Meng <bmeng.cn@gmail.com> Reviewed-by: Stefan Roese <sr@denx.de> Tested-by: Stefan Roese <sr@denx.de>
2018-05-07SPDX: Convert all of our single license tags to Linux Kernel styleTom Rini
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>
2017-04-05board_f: x86: Use checkcpu() for CPU initSimon Glass
At present we misuse print_cpuinfo() do so CPU init on x86. This is done because it is the next available call after the console is enabled. But several arches use checkcpu() instead. Despite the horrible name (which we can fix), it seems a better choice. Adjust the various x86 CPU implementations to move their init code into checkcpu() and use print_cpuinfo() only for printing CPU info. Signed-off-by: Simon Glass <sjg@chromium.org> Reviewed-by: Stefan Roese <sr@denx.de>
2017-02-08dm: core: Replace of_offset with accessorSimon Glass
At present devices use a simple integer offset to record the device tree node associated with the device. In preparation for supporting a live device tree, which uses a node pointer instead, refactor existing code to access this field through an inline function. Signed-off-by: Simon Glass <sjg@chromium.org>
2016-10-19cpu: Add get_vendor callbackAlexander Graf
The CPU udevice already has a few callbacks to retreive information about the currently running CPUs. This patch adds a new get_vendor() call that returns the vendor of the main CPUs. Signed-off-by: Alexander Graf <agraf@suse.de> Reviewed-by: Simon Glass <sjg@chromium.org> Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
2016-03-17x86: Add basic support for broadwellSimon Glass
This adds the broadwell architecture, with the CPU driver and some useful header files. Signed-off-by: Simon Glass <sjg@chromium.org> Acked-by: Bin Meng <bmeng.cn@gmail.com>