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authorAngelos Mouzakitis <a.mouzakitis@virtualopensystems.com>2023-10-10 14:33:42 +0000
committerAngelos Mouzakitis <a.mouzakitis@virtualopensystems.com>2023-10-10 14:33:42 +0000
commitaf1a266670d040d2f4083ff309d732d648afba2a (patch)
tree2fc46203448ddcc6f81546d379abfaeb323575e9 /roms/u-boot/doc/device-tree-bindings/misc/intel,baytrail-fsp.txt
parente02cda008591317b1625707ff8e115a4841aa889 (diff)
Add submodule dependency filesHEADmaster
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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-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,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,lpe-mode
+- fsp,lpss-sio-mode
+- fsp,igd-dvmt50-pre-alloc
+- fsp,aperture-size
+- fsp,gtt-size
+- fsp,scc-mode
+- 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
+};
+
+For all integer properties, available options are listed in fsp_configs.h in
+arch/x86/include/asm/arch-baytrail/fsp directory (eg: MRC_INIT_TSEG_SIZE_1MB).
+
+
+Example (from MinnowMax Dual Core):
+-----------------------------------
+
+/ {
+ ...
+
+ fsp {
+ compatible = "intel,baytrail-fsp";
+ fsp,mrc-init-tseg-size = <MRC_INIT_TSEG_SIZE_1MB>;
+ fsp,mrc-init-mmio-size = <MRC_INIT_MMIO_SIZE_2048MB>;
+ fsp,mrc-init-spd-addr1 = <0xa0>;
+ fsp,mrc-init-spd-addr2 = <0xa2>;
+ fsp,emmc-boot-mode = <EMMC_BOOT_MODE_AUTO>;
+ fsp,enable-sdio;
+ fsp,enable-sdcard;
+ fsp,enable-hsuart1;
+ fsp,enable-spi;
+ fsp,enable-sata;
+ fsp,sata-mode = <SATA_MODE_AHCI>;
+ fsp,lpe-mode = <LPE_MODE_PCI>;
+ fsp,lpss-sio-mode = <LPSS_SIO_MODE_PCI>;
+ 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 = <IGD_DVMT50_PRE_ALLOC_64MB>;
+ fsp,aperture-size = <APERTURE_SIZE_256MB>;
+ fsp,gtt-size = <GTT_SIZE_2MB>;
+ fsp,scc-mode = <SCC_MODE_PCI>;
+ fsp,os-selection = <OS_SELECTION_LINUX>;
+ 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 = <DRAM_SPEED_1066MTS>;
+ fsp,dram-type = <DRAM_TYPE_DDR3L>;
+ fsp,dimm-0-enable;
+ fsp,dimm-width = <DIMM_WIDTH_X16>;
+ fsp,dimm-density = <DIMM_DENSITY_4GBIT>;
+ fsp,dimm-bus-width = <DIMM_BUS_WIDTH_64BITS>;
+ fsp,dimm-sides = <DIMM_SIDES_1RANKS>;
+ 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>;
+ };
+ };
+
+ ...
+};