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"Das U-Boot" Source Tree
1// SPDX-License-Identifier: GPL-2.0+
2
3#include "rk3399-u-boot.dtsi"
4
5#ifdef CONFIG_TARGET_PUMA_RK3399_RAM_DDR3_1333
6#include "rk3399-sdram-ddr3-1333.dtsi"
7#endif
8#ifdef CONFIG_TARGET_PUMA_RK3399_RAM_DDR3_1600
9#include "rk3399-sdram-ddr3-1600.dtsi"
10#endif
11#ifdef CONFIG_TARGET_PUMA_RK3399_RAM_DDR3_1866
12#include "rk3399-sdram-ddr3-1866.dtsi"
13#endif
14
15/ {
16 config {
17 u-boot,spl-payload-offset = <0x80000>; /* @ 512KB */
18 u-boot,mmc-env-offset = <0x5000>; /* @ 20KB */
19 u-boot,efi-partition-entries-offset = <0x200000>; /* 2MB */
20 u-boot,boot-led = "module_led";
21 sysreset-gpio = <&gpio1 RK_PA6 GPIO_ACTIVE_HIGH>;
22 };
23
24 chosen {
25 stdout-path = "serial0:115200n8";
26 u-boot,spl-boot-order = \
27 "same-as-spl", &norflash, &sdhci, &sdmmc;
28 };
29
30 aliases {
31 spi5 = &spi5;
32 };
33};
34
35&binman {
36#ifdef CONFIG_ROCKCHIP_SPI_IMAGE
37 simple-bin-spi {
38 fit {
39 /* same as u-boot,spl-payload-offset */
40 offset = <0x80000>;
41 };
42 };
43#endif
44};
45
46&gpio1 {
47 bootph-all;
48};
49
50&gpio3 {
51 bootph-all;
52
53 /*
54 * The Qseven BIOS_DISABLE signal on the RK3399-Q7 keeps the on-module
55 * eMMC and SPI flash powered-down initially (in fact it keeps the
56 * reset signal asserted). BIOS_DISABLE_OVERRIDE pin allows to re-enable
57 * eMMC and SPI after the SPL has been booted from SD Card.
58 */
59 bios_disable_override {
60 bootph-all;
61 gpios = <RK_PD5 GPIO_ACTIVE_LOW>;
62 output-high;
63 line-name = "bios_disable_override";
64 gpio-hog;
65 };
66};
67
68&gpio4 {
69 bootph-all;
70};
71
72&norflash {
73 bootph-pre-ram;
74 bootph-some-ram;
75};
76
77&uart0 {
78 bootph-all;
79 clock-frequency = <24000000>;
80};
81
82&uart0_cts {
83 bootph-pre-sram;
84 bootph-pre-ram;
85};
86
87&uart0_rts {
88 bootph-pre-sram;
89 bootph-pre-ram;
90};
91
92&uart0_xfer {
93 bootph-pre-sram;
94 bootph-pre-ram;
95};
96
97&vdd_log {
98 regulator-init-microvolt = <950000>;
99};