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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 | // SPDX-License-Identifier: (GPL-2.0+ OR MIT) /* * sc7280 fragment for devices with Chrome bootloader * * This file mainly tries to abstract out the memory protections put into * place by the Chrome bootloader which are different than what's put into * place by Qualcomm's typical bootloader. It also has a smattering of other * things that will hold true for any conceivable Chrome design * * Copyright 2022 Google LLC. */ /* * Reserved memory changes * * Delete all unused memory nodes and define the peripheral memory regions * required by the setup for Chrome boards. */ /delete-node/ &hyp_mem; /delete-node/ &xbl_mem; /delete-node/ &reserved_xbl_uefi_log; /delete-node/ &sec_apps_mem; / { reserved-memory { adsp_mem: memory@86700000 { reg = <0x0 0x86700000 0x0 0x2800000>; no-map; }; camera_mem: memory@8ad00000 { reg = <0x0 0x8ad00000 0x0 0x500000>; no-map; }; venus_mem: memory@8b200000 { reg = <0x0 0x8b200000 0x0 0x500000>; no-map; }; wpss_mem: memory@9ae00000 { reg = <0x0 0x9ae00000 0x0 0x1900000>; no-map; }; }; }; &lpass_aon { status = "okay"; }; &lpass_core { status = "okay"; }; &lpass_hm { status = "okay"; }; &lpasscc { status = "okay"; }; &pdc_reset { status = "okay"; }; /* The PMIC PON code isn't compatible w/ how Chrome EC/BIOS handle things. */ &pmk8350_pon { status = "disabled"; }; /* * Chrome designs always boot from SPI flash hooked up to the qspi. * * It's expected that all boards will support "dual SPI" at 37.5 MHz. * If some boards need a different speed or have a package that allows * Quad SPI together with WP then those boards can easily override. */ &qspi { status = "okay"; pinctrl-names = "default", "sleep"; pinctrl-0 = <&qspi_clk>, <&qspi_cs0>, <&qspi_data0>, <&qspi_data1>; pinctrl-1 = <&qspi_sleep>; spi_flash: flash@0 { compatible = "jedec,spi-nor"; reg = <0>; spi-max-frequency = <37500000>; spi-tx-bus-width = <2>; spi-rx-bus-width = <2>; }; }; &remoteproc_wpss { status = "okay"; firmware-name = "ath11k/WCN6750/hw1.0/wpss.mdt"; }; &scm { /* TF-A firmware maps memory cached so mark dma-coherent to match. */ dma-coherent; }; &watchdog { status = "okay"; }; &wifi { status = "okay"; wifi-firmware { iommus = <&apps_smmu 0x1c02 0x1>; }; }; /* PINCTRL - chrome-common pinctrl */ &tlmm { qspi_sleep: qspi-sleep-state { pins = "gpio12", "gpio13", "gpio14", "gpio15"; /* * When we're not actively transferring we want pins as GPIOs * with output disabled so that the quad SPI IP block stops * driving them. We rely on the normal pulls configured in * the active state and don't redefine them here. Also note * that we don't need the reverse (output-enable) in the * normal mode since the "output-enable" only matters for * GPIO function. */ function = "gpio"; output-disable; }; }; |