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Intel Bay Trail FSP UPD Binding
===============================
The device tree node which describes the overriding of the Intel Bay Trail FSP
UPD data for configuring the SoC.
All properties can be found within the `upd-region` struct in
arch/x86/include/asm/arch-baytrail/fsp/fsp_vpd.h, under the same names, and in
Intel's FSP Binary Configuration Tool for Bay Trail. This list of properties is
matched up to Intel's E3800 FSPv4 release.
# Boolean properties:
- fsp,enable-sdio
- fsp,enable-sdcard
- fsp,enable-hsuart0
- fsp,enable-hsuart1
- fsp,enable-spi
- fsp,enable-sata
- fsp,enable-azalia
- fsp,enable-xhci
- fsp,enable-lpe
- fsp,lpss-sio-enable-pci-mode
- fsp,enable-dma0
- fsp,enable-dma1
- fsp,enable-i2-c0
- fsp,enable-i2-c1
- fsp,enable-i2-c2
- fsp,enable-i2-c3
- fsp,enable-i2-c4
- fsp,enable-i2-c5
- fsp,enable-i2-c6
- fsp,enable-pwm0
- fsp,enable-pwm1
- fsp,enable-hsi
- fsp,mrc-debug-msg
- fsp,isp-enable
- fsp,scc-enable-pci-mode
- fsp,igd-render-standby
- fsp,txe-uma-enable
- fsp,emmc45-ddr50-enabled
- fsp,emmc45-hs200-enabled
- fsp,enable-igd
- fsp,enable-memory-down
If you set "fsp,enable-memory-down" you are strongly encouraged to provide an
"fsp,memory-down-params{};" to specify how your memory is configured. If you do
not set "fsp,enable-memory-down", then the DIMM SPD information will be
discovered by the FSP and used to setup main memory.
# Integer properties:
- fsp,mrc-init-tseg-size
- fsp,mrc-init-mmio-size
- fsp,mrc-init-spd-addr1
- fsp,mrc-init-spd-addr2
- fsp,emmc-boot-mode
- fsp,sata-mode
- fsp,igd-dvmt50-pre-alloc
- fsp,aperture-size
- fsp,gtt-size
- fsp,serial-debug-port-address
- fsp,serial-debug-port-type
- fsp,os-selection
- fsp,emmc45-retune-timer-value
- fsp,memory-down-params {
# Boolean properties:
- fsp,dimm-0-enable
- fsp,dimm-1-enable
# Integer properties:
- fsp,dram-speed
- fsp,dram-type
- fsp,dimm-width
- fsp,dimm-density
- fsp,dimm-bus-width
- fsp,dimm-sides
- fsp,dimm-tcl
- fsp,dimm-trpt-rcd
- fsp,dimm-twr
- fsp,dimm-twtr
- fsp,dimm-trrd
- fsp,dimm-trtp
- fsp,dimm-tfaw
};
Example (from MinnowMax Dual Core):
-----------------------------------
/ {
...
fsp {
compatible = "intel,baytrail-fsp";
fsp,mrc-init-tseg-size = <0>;
fsp,mrc-init-mmio-size = <0x800>;
fsp,mrc-init-spd-addr1 = <0xa0>;
fsp,mrc-init-spd-addr2 = <0xa2>;
fsp,emmc-boot-mode = <2>;
fsp,enable-sdio;
fsp,enable-sdcard;
fsp,enable-hsuart1;
fsp,enable-spi;
fsp,enable-sata;
fsp,sata-mode = <1>;
fsp,enable-xhci;
fsp,enable-lpe;
fsp,lpss-sio-enable-pci-mode;
fsp,enable-dma0;
fsp,enable-dma1;
fsp,enable-i2c0;
fsp,enable-i2c1;
fsp,enable-i2c2;
fsp,enable-i2c3;
fsp,enable-i2c4;
fsp,enable-i2c5;
fsp,enable-i2c6;
fsp,enable-pwm0;
fsp,enable-pwm1;
fsp,igd-dvmt50-pre-alloc = <2>;
fsp,aperture-size = <2>;
fsp,gtt-size = <2>;
fsp,serial-debug-port-address = <0x3f8>;
fsp,serial-debug-port-type = <1>;
fsp,mrc-debug-msg;
fsp,scc-enable-pci-mode;
fsp,os-selection = <4>;
fsp,emmc45-ddr50-enabled;
fsp,emmc45-retune-timer-value = <8>;
fsp,enable-igd;
fsp,enable-memory-down;
fsp,memory-down-params {
compatible = "intel,baytrail-fsp-mdp";
fsp,dram-speed = <1>;
fsp,dram-type = <1>;
fsp,dimm-0-enable;
fsp,dimm-width = <1>;
fsp,dimm-density = <2>;
fsp,dimm-bus-width = <3>;
fsp,dimm-sides = <0>;
fsp,dimm-tcl = <0xb>;
fsp,dimm-trpt-rcd = <0xb>;
fsp,dimm-twr = <0xc>;
fsp,dimm-twtr = <6>;
fsp,dimm-trrd = <6>;
fsp,dimm-trtp = <6>;
fsp,dimm-tfaw = <0x14>;
};
};
...
};
|
