From a5bb31f069d709f2ca9ddda4f623147df9653990 Mon Sep 17 00:00:00 2001 From: Duncan Laurie Date: Wed, 29 Jul 2020 16:31:18 -0700 Subject: [PATCH] soc/intel/tigerlake: Add chipset devicetree Add aliases for devices and set most of them to off with the exception of some essential devices. Set a default register value as an example. Change-Id: If50269808645ddc019e0d94fa8296df58ab7c367 Signed-off-by: Duncan Laurie Reviewed-on: https://review.coreboot.org/c/coreboot/+/44038 Reviewed-by: Furquan Shaikh Tested-by: build bot (Jenkins) --- src/soc/intel/tigerlake/Kconfig | 4 ++ src/soc/intel/tigerlake/chipset.cb | 71 ++++++++++++++++++++++++++++++ 2 files changed, 75 insertions(+) create mode 100644 src/soc/intel/tigerlake/chipset.cb diff --git a/src/soc/intel/tigerlake/Kconfig b/src/soc/intel/tigerlake/Kconfig index bf05d37ad3..4df2e852ca 100644 --- a/src/soc/intel/tigerlake/Kconfig +++ b/src/soc/intel/tigerlake/Kconfig @@ -86,6 +86,10 @@ config FSP_TEMP_RAM_SIZE Refer to Platform FSP integration guide document to know the exact FSP requirement for Heap setup. +config CHIPSET_DEVICETREE + string + default "soc/intel/tigerlake/chipset.cb" + config IFD_CHIPSET string default "tgl" diff --git a/src/soc/intel/tigerlake/chipset.cb b/src/soc/intel/tigerlake/chipset.cb new file mode 100644 index 0000000000..0d2b7a231f --- /dev/null +++ b/src/soc/intel/tigerlake/chipset.cb @@ -0,0 +1,71 @@ +chip soc/intel/tigerlake + device domain 0 on + device pci 00.0 alias system_agent on end + device pci 02.0 alias igpu off end + device pci 04.0 alias dptf off end + device pci 05.0 alias ipu off end + device pci 06.0 alias peg off end + device pci 07.0 alias tbt_pcie_rp0 off end + device pci 07.1 alias tbt_pcie_rp1 off end + device pci 07.2 alias tbt_pcie_rp2 off end + device pci 07.3 alias tbt_pcie_rp3 off end + device pci 08.0 alias gna off end + device pci 09.0 alias npk off end + device pci 0a.0 alias crashlog off end + device pci 0d.0 alias north_xhci off end + device pci 0d.1 alias north_xdci off end + device pci 0d.2 alias tbt_dma0 off end + device pci 0d.3 alias tbt_dma1 off end + device pci 0e.0 alias vmd off end + device pci 10.2 alias cnvi_bt off end + device pci 10.6 alias thc0 off end + device pci 10.7 alias thc1 off end + device pci 12.0 alias ish off end + device pci 12.6 alias gspi2 off end + device pci 13.0 alias gspi3 off end + device pci 14.0 alias south_xhci off end + device pci 14.1 alias south_xdci off end + device pci 14.2 alias shared_ram off end + chip drivers/intel/wifi + device pci 14.3 alias cnvi_wifi off end + end + device pci 15.0 alias i2c0 off end + device pci 15.1 alias i2c1 off end + device pci 15.2 alias i2c2 off end + device pci 15.3 alias i2c3 off end + device pci 16.0 alias heci1 off end + device pci 16.1 alias heci2 off end + device pci 16.2 alias csme1 off end + device pci 16.3 alias csme2 off end + device pci 16.4 alias heci3 off end + device pci 16.5 alias heci4 off end + device pci 17.0 alias sata off end + device pci 19.0 alias i2c4 off end + device pci 19.1 alias i2c5 off end + device pci 19.2 alias uart2 off end + device pci 1c.0 alias pcie_rp1 off end + device pci 1c.1 alias pcie_rp2 off end + device pci 1c.2 alias pcie_rp3 off end + device pci 1c.3 alias pcie_rp4 off end + device pci 1c.4 alias pcie_rp5 off end + device pci 1c.5 alias pcie_rp6 off end + device pci 1c.6 alias pcie_rp7 off end + device pci 1c.7 alias pcie_rp8 off end + device pci 1d.0 alias pcie_rp9 off end + device pci 1d.1 alias pcie_rp10 off end + device pci 1d.2 alias pcie_rp11 off end + device pci 1d.3 alias pcie_rp12 off end + device pci 1e.0 alias uart0 off end + device pci 1e.1 alias uart1 off end + device pci 1e.2 alias gspi0 off end + device pci 1e.3 alias gspi1 off end + device pci 1f.0 alias pch_espi on end + device pci 1f.1 alias p2sb off end + device pci 1f.2 alias pmc hidden end + device pci 1f.3 alias hda off end + device pci 1f.4 alias smbus off end + device pci 1f.5 alias fast_spi on end + device pci 1f.6 alias gbe off end + device pci 1f.7 alias thermal off end + end +end