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LibreELEC.tv/projects/Rockchip/patches/u-boot/rockchip-0008-rockchip-rk3528-Add-support-for-booting-from-SPI-fla.patch
2025-09-22 13:54:30 +00:00

87 lines
1.7 KiB
Diff

From 5287ab111719d5be9ca32b2419061095529de70e Mon Sep 17 00:00:00 2001
From: Jonas Karlman <jonas@kwiboo.se>
Date: Wed, 23 Jul 2025 22:22:36 +0000
Subject: [PATCH 08/51] rockchip: rk3528: Add support for booting from SPI
flash
Signed-off-by: Jonas Karlman <jonas@kwiboo.se>
---
arch/arm/dts/rk3528-u-boot.dtsi | 27 ++++++++++++++++++++++++++
arch/arm/mach-rockchip/rk3528/rk3528.c | 1 +
2 files changed, 28 insertions(+)
diff --git a/arch/arm/dts/rk3528-u-boot.dtsi b/arch/arm/dts/rk3528-u-boot.dtsi
index a18d33b3d36..17a2d0ec3ff 100644
--- a/arch/arm/dts/rk3528-u-boot.dtsi
+++ b/arch/arm/dts/rk3528-u-boot.dtsi
@@ -6,6 +6,7 @@
aliases {
mmc0 = &sdhci;
mmc1 = &sdmmc;
+ spi2 = &sfc;
};
chosen {
@@ -30,6 +31,17 @@
};
};
+#ifdef CONFIG_ROCKCHIP_SPI_IMAGE
+&binman {
+ simple-bin-spi {
+ mkimage {
+ args = "-n", CONFIG_SYS_SOC, "-T", "rksd";
+ offset = <0x8000>;
+ };
+ };
+};
+#endif
+
&cru {
bootph-all;
};
@@ -54,6 +66,16 @@
bootph-some-ram;
};
+&fspi_csn0 {
+ bootph-pre-ram;
+ bootph-some-ram;
+};
+
+&fspi_pins {
+ bootph-pre-ram;
+ bootph-some-ram;
+};
+
&gmac0_clk {
bootph-all;
};
@@ -115,6 +137,11 @@
bootph-some-ram;
};
+&sfc {
+ bootph-some-ram;
+ u-boot,spl-sfc-no-dma;
+};
+
&uart0 {
bootph-all;
clock-frequency = <24000000>;
diff --git a/arch/arm/mach-rockchip/rk3528/rk3528.c b/arch/arm/mach-rockchip/rk3528/rk3528.c
index f9bfc445b85..7ae8680fb04 100644
--- a/arch/arm/mach-rockchip/rk3528/rk3528.c
+++ b/arch/arm/mach-rockchip/rk3528/rk3528.c
@@ -20,6 +20,7 @@
const char * const boot_devices[BROM_LAST_BOOTSOURCE + 1] = {
[BROM_BOOTSOURCE_EMMC] = "/soc/mmc@ffbf0000",
+ [BROM_BOOTSOURCE_SPINOR] = "/soc/spi@ffc00000/flash@0",
[BROM_BOOTSOURCE_SD] = "/soc/mmc@ffc30000",
};
--
2.34.1