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8e01fdea2b
freebsd-skq/sys/arm
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Oleksandr Tymoshenko 8e01fdea2b Add sysctls to control PS-PL level shifters and FCLK settings. 
PL (programmable logic) uses FCLK0..FCLK3 as a clock sources.
Normally they're configured by first stage boot loader (FSBL)
and normal user never has to touch them. These sysctls may come
useful for hardware developers

hw.fpga.fclk.N.source: clock source (IO, DDR, ARM)
hw.fpga.fclk.N.freq: requested frequency in Hz
hw.fpga.fclk.N.actual_freq: actual frequency in Hz (R/O)

hw.fgpa.level_shifters: 0/1 to enable/disable PS-PL level shifters,
    normally they're enabled either by FSBL or after programming
    FPGA through devcfg(4)
2015-03-05 21:41:58 +00:00
..
allwinner Implement GPIO_GET_BUS() method for all GPIO drivers. 2015-01-31 19:32:14 +00:00
altera/socfpga Implement GPIO_GET_BUS() method for all GPIO drivers. 2015-01-31 19:32:14 +00:00
arm Add the MD parts of dtrace needed to use fbt on ARM. For this we need to 2015-03-05 17:55:31 +00:00
at91 Use explicit initializer style, fill in missing functions. 2015-01-21 03:28:07 +00:00
broadcom/bcm2835 Add support to the bcm2835 mailbox driver to work before interrupts are 2015-02-22 11:11:05 +00:00
cavium/cns11xx Use the base arm bus_space instead of an identical local copy. 2015-01-21 04:22:20 +00:00
conf Add a "module" to build the dtb files for all supported imx6 systems. 2015-03-02 22:12:56 +00:00
freescale Implement GPIO_GET_BUS() method for all GPIO drivers. 2015-01-31 19:32:14 +00:00
include Revert r279338. The casts are apparently bogus, despite the fact that 2015-03-02 20:40:25 +00:00
lpc Implement GPIO_GET_BUS() method for all GPIO drivers. 2015-01-31 19:32:14 +00:00
mv Rename bus_space-v6.c to bus_space_base.c, because it's not v6-specific 2015-01-21 03:44:29 +00:00
rockchip Implement GPIO_GET_BUS() method for all GPIO drivers. 2015-01-31 19:32:14 +00:00
samsung Add quirk to disable 64-bit XHCI DMA after r276717. 2015-03-02 20:42:06 +00:00
ti Fix a number of -Wcast-qual warnings under sys/arm. No functional 2015-02-26 07:47:35 +00:00
versatile Remove a no-longer-used include. 2015-01-21 04:19:54 +00:00
xilinx Add sysctls to control PS-PL level shifters and FCLK settings. 2015-03-05 21:41:58 +00:00
xscale The cpu_id macro was renamed in r278529, catch up with this new name. 2015-02-11 10:37:55 +00:00