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https://github.com/coolsnowwolf/lede.git
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160 lines
4.3 KiB
Diff
160 lines
4.3 KiB
Diff
From e7f5a4ae16f02ddaf2acf59b07e684c95338937d Mon Sep 17 00:00:00 2001
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From: Jonas Karlman <jonas@kwiboo.se>
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Date: Thu, 23 Jan 2025 22:48:24 +0000
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Subject: [PATCH 3/4] board: rockchip: Add minimal generic RK3528 board
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Add a minimal generic RK3528 board that only have eMMC and SDMMC
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enabled. This defconfig can be used to boot from eMMC or SD-card on most
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RK3528 boards that follow reference board design.
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Signed-off-by: Jonas Karlman <jonas@kwiboo.se>
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---
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arch/arm/dts/rk3528-generic-u-boot.dtsi | 31 +++++++++++++++++
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arch/arm/dts/rk3528-generic.dts | 20 +++++++++++
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arch/arm/mach-rockchip/rk3528/MAINTAINERS | 5 +++
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configs/generic-rk3528_defconfig | 41 +++++++++++++++++++++++
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doc/board/rockchip/rockchip.rst | 12 +++++++
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5 files changed, 109 insertions(+)
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create mode 100644 arch/arm/dts/rk3528-generic-u-boot.dtsi
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create mode 100644 arch/arm/dts/rk3528-generic.dts
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create mode 100644 arch/arm/mach-rockchip/rk3528/MAINTAINERS
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create mode 100644 configs/generic-rk3528_defconfig
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--- /dev/null
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+++ b/arch/arm/dts/rk3528-generic-u-boot.dtsi
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@@ -0,0 +1,31 @@
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+// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
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+
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+#include "rk3528-u-boot.dtsi"
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+
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+&sdhci {
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+ bus-width = <8>;
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+ cap-mmc-highspeed;
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+ mmc-hs200-1_8v;
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+ no-sd;
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+ no-sdio;
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+ non-removable;
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+ pinctrl-names = "default";
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+ pinctrl-0 = <&emmc_bus8>, <&emmc_clk>, <&emmc_cmd>, <&emmc_strb>;
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+ status = "okay";
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+};
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+
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+&sdmmc {
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+ bus-width = <4>;
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+ cap-sd-highspeed;
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+ disable-wp;
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+ no-mmc;
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+ no-sdio;
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+ pinctrl-names = "default";
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+ pinctrl-0 = <&sdmmc_bus4>, <&sdmmc_clk>, <&sdmmc_cmd>, <&sdmmc_det>;
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+ status = "okay";
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+};
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+
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+&uart0 {
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+ pinctrl-names = "default";
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+ pinctrl-0 = <&uart0m0_xfer>;
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+};
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--- /dev/null
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+++ b/arch/arm/dts/rk3528-generic.dts
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@@ -0,0 +1,20 @@
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+// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
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+/*
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+ * Minimal generic DT for RK3528 with eMMC and SD-card enabled
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+ */
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+
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+/dts-v1/;
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+#include "rk3528.dtsi"
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+
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+/ {
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+ model = "Generic RK3528";
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+ compatible = "rockchip,rk3528";
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+
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+ chosen {
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+ stdout-path = "serial0:1500000n8";
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+ };
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+};
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+
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+&uart0 {
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+ status = "okay";
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+};
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--- /dev/null
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+++ b/arch/arm/mach-rockchip/rk3528/MAINTAINERS
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@@ -0,0 +1,5 @@
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+GENERIC-RK3528
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+M: Jonas Karlman <jonas@kwiboo.se>
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+S: Maintained
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+F: arch/arm/dts/rk3528-generic*
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+F: configs/generic-rk3528_defconfig
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--- /dev/null
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+++ b/configs/generic-rk3528_defconfig
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@@ -0,0 +1,41 @@
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+CONFIG_ARM=y
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+CONFIG_SKIP_LOWLEVEL_INIT=y
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+CONFIG_COUNTER_FREQUENCY=24000000
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+CONFIG_ARCH_ROCKCHIP=y
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+CONFIG_DEFAULT_DEVICE_TREE="rk3528-generic"
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+CONFIG_ROCKCHIP_RK3528=y
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+CONFIG_SYS_LOAD_ADDR=0xc00800
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+CONFIG_DEBUG_UART_BASE=0xFF9F0000
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+CONFIG_DEBUG_UART_CLOCK=24000000
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+CONFIG_DEBUG_UART=y
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+# CONFIG_BOOTMETH_VBE is not set
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+CONFIG_DEFAULT_FDT_FILE="rockchip/rk3528-generic.dtb"
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+# CONFIG_DISPLAY_CPUINFO is not set
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+CONFIG_SPL_MAX_SIZE=0x40000
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+CONFIG_SPL_PAD_TO=0x7f8000
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+# CONFIG_SPL_RAW_IMAGE_SUPPORT is not set
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+CONFIG_CMD_MEMINFO=y
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+CONFIG_CMD_MEMINFO_MAP=y
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+CONFIG_CMD_GPIO=y
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+CONFIG_CMD_GPT=y
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+CONFIG_CMD_MISC=y
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+CONFIG_CMD_MMC=y
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+# CONFIG_CMD_SETEXPR is not set
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+CONFIG_CMD_RNG=y
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+# CONFIG_SPL_DOS_PARTITION is not set
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+# CONFIG_OF_UPSTREAM is not set
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+CONFIG_OF_SPL_REMOVE_PROPS="clock-names interrupt-parent assigned-clocks assigned-clock-rates assigned-clock-parents"
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+CONFIG_NO_NET=y
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+# CONFIG_ADC is not set
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+CONFIG_ROCKCHIP_GPIO=y
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+CONFIG_SUPPORT_EMMC_RPMB=y
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+CONFIG_MMC_DW=y
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+CONFIG_MMC_DW_ROCKCHIP=y
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+CONFIG_MMC_SDHCI=y
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+CONFIG_MMC_SDHCI_SDMA=y
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+CONFIG_MMC_SDHCI_ROCKCHIP=y
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+CONFIG_BAUDRATE=1500000
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+CONFIG_DEBUG_UART_SHIFT=2
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+CONFIG_SYS_NS16550_MEM32=y
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+CONFIG_SYSRESET_PSCI=y
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+CONFIG_ERRNO_STR=y
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--- a/doc/board/rockchip/rockchip.rst
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+++ b/doc/board/rockchip/rockchip.rst
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@@ -97,6 +97,9 @@ List of mainline supported Rockchip boar
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- Rockchip Evb-RK3399 (evb_rk3399)
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- Theobroma Systems RK3399-Q7 SoM - Puma (puma_rk3399)
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+* rk3528
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+ - Generic RK3528 (generic-rk3528)
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+
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* rk3566
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- Anbernic RGxx3 (anbernic-rgxx3-rk3566)
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- FriendlyElec NanoPi R3S (nanopi-r3s-rk3566)
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@@ -258,6 +261,15 @@ To build rk3399 boards:
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make evb-rk3399_defconfig
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make CROSS_COMPILE=aarch64-linux-gnu-
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+To build rk3528 boards:
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+
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+.. code-block:: bash
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+
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+ export BL31=../rkbin/bin/rk35/rk3528_bl31_v1.18.elf
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+ export ROCKCHIP_TPL=../rkbin/bin/rk35/rk3528_ddr_1056MHz_v1.10.bin
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+ make generic-rk3528_defconfig
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+ make CROSS_COMPILE=aarch64-linux-gnu-
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+
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To build rk3568 boards:
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.. code-block:: bash
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