1 // SPDX-License-Identifier: (GPL-2.0+ OR MIT)
3 * sc7280 fragment for devices with Chrome bootloader
5 * This file mainly tries to abstract out the memory protections put into
6 * place by the Chrome bootloader which are different than what's put into
7 * place by Qualcomm's typical bootloader. It also has a smattering of other
8 * things that will hold true for any conceivable Chrome design
10 * Copyright 2022 Google LLC.
14 * Reserved memory changes
16 * Delete all unused memory nodes and define the peripheral memory regions
17 * required by the setup for Chrome boards.
20 /delete-node/ &hyp_mem;
21 /delete-node/ &xbl_mem;
22 /delete-node/ &reserved_xbl_uefi_log;
23 /delete-node/ &sec_apps_mem;
27 adsp_mem: memory@86700000 {
28 reg = <0x0 0x86700000 0x0 0x2800000>;
32 camera_mem: memory@8ad00000 {
33 reg = <0x0 0x8ad00000 0x0 0x500000>;
37 venus_mem: memory@8b200000 {
38 reg = <0x0 0x8b200000 0x0 0x500000>;
42 mpss_mem: memory@8b800000 {
43 reg = <0x0 0x8b800000 0x0 0xf600000>;
47 wpss_mem: memory@9ae00000 {
48 reg = <0x0 0x9ae00000 0x0 0x1900000>;
52 mba_mem: memory@9c700000 {
53 reg = <0x0 0x9c700000 0x0 0x200000>;
79 /* The PMIC PON code isn't compatible w/ how Chrome EC/BIOS handle things. */
85 * Chrome designs always boot from SPI flash hooked up to the qspi.
87 * It's expected that all boards will support "dual SPI" at 37.5 MHz.
88 * If some boards need a different speed or have a package that allows
89 * Quad SPI together with WP then those boards can easily override.
93 pinctrl-names = "default";
94 pinctrl-0 = <&qspi_clk>, <&qspi_cs0>, <&qspi_data01>;
97 compatible = "jedec,spi-nor";
100 spi-max-frequency = <37500000>;
101 spi-tx-bus-width = <2>;
102 spi-rx-bus-width = <2>;
108 firmware-name = "/*(DEBLOBBED)*/";
111 /* Increase the size from 2.5MB to 8MB */
113 reg = <0x0 0x9c900000 0x0 0x800000>;
124 iommus = <&apps_smmu 0x1c02 0x1>;