[PATCH v3 24/28] rockchip: rk356x-generic: Add support for SPI flash

[Jonas Karlman]

Add support for booting from SPI flash using the generic RK3566/RK3568
target.

Signed-off-by: Jonas Karlman <jonas at kwiboo.se>
---
v3: No change
v2: Split patch
---
 arch/arm/dts/rk3568-generic-u-boot.dtsi |  7 +++++++
 arch/arm/dts/rk3568-generic.dts         | 14 +++++++++++++-
 configs/generic-rk3568_defconfig        | 15 +++++++++++++++
 3 files changed, 35 insertions(+), 1 deletion(-)

diff --git a/arch/arm/dts/rk3568-generic-u-boot.dtsi b/arch/arm/dts/rk3568-generic-u-boot.dtsi
index 6e8307e3bdf6..fd7f5367b759 100644
--- a/arch/arm/dts/rk3568-generic-u-boot.dtsi
+++ b/arch/arm/dts/rk3568-generic-u-boot.dtsi
@@ -1,3 +1,10 @@
 // SPDX-License-Identifier: (GPL-2.0+ OR MIT)
 
 #include "rk356x-u-boot.dtsi"
+
+&sfc {
+	flash at 0 {
+		bootph-pre-ram;
+		bootph-some-ram;
+	};
+};
diff --git a/arch/arm/dts/rk3568-generic.dts b/arch/arm/dts/rk3568-generic.dts
index 3b9bf8052046..87c3aff26589 100644
--- a/arch/arm/dts/rk3568-generic.dts
+++ b/arch/arm/dts/rk3568-generic.dts
@@ -1,6 +1,6 @@
 // SPDX-License-Identifier: (GPL-2.0+ OR MIT)
 /*
- * Minimal generic DT for RK3566/RK3568 with eMMC and SD-card enabled
+ * Minimal generic DT for RK3566/RK3568 with eMMC, SD-card and SPI flash enabled
  */
 
 /dts-v1/;
@@ -43,6 +43,18 @@
 	status = "okay";
 };
 
+&sfc {
+	#address-cells = <1>;
+	#size-cells = <0>;
+	status = "okay";
+
+	flash at 0 {
+		compatible = "jedec,spi-nor";
+		reg = <0>;
+		spi-max-frequency = <24000000>;
+	};
+};
+
 &uart2 {
 	status = "okay";
 };
diff --git a/configs/generic-rk3568_defconfig b/configs/generic-rk3568_defconfig
index e7d5e55bbfd8..9276eae63ee3 100644
--- a/configs/generic-rk3568_defconfig
+++ b/configs/generic-rk3568_defconfig
@@ -3,11 +3,15 @@ CONFIG_SKIP_LOWLEVEL_INIT=y
 CONFIG_COUNTER_FREQUENCY=24000000
 CONFIG_ARCH_ROCKCHIP=y
 CONFIG_NR_DRAM_BANKS=2
+CONFIG_SF_DEFAULT_SPEED=24000000
 CONFIG_DEFAULT_DEVICE_TREE="rk3568-generic"
 CONFIG_ROCKCHIP_RK3568=y
+CONFIG_ROCKCHIP_SPI_IMAGE=y
 CONFIG_SPL_SERIAL=y
 CONFIG_DEBUG_UART_BASE=0xFE660000
 CONFIG_DEBUG_UART_CLOCK=24000000
+CONFIG_SPL_SPI_FLASH_SUPPORT=y
+CONFIG_SPL_SPI=y
 CONFIG_SYS_LOAD_ADDR=0xc00800
 CONFIG_DEBUG_UART=y
 CONFIG_FIT=y
@@ -21,6 +25,8 @@ CONFIG_DISPLAY_BOARDINFO_LATE=y
 CONFIG_SPL_MAX_SIZE=0x40000
 CONFIG_SPL_PAD_TO=0x7f8000
 # CONFIG_SPL_RAW_IMAGE_SUPPORT is not set
+CONFIG_SPL_SPI_LOAD=y
+CONFIG_SYS_SPI_U_BOOT_OFFS=0x60000
 CONFIG_SPL_ATF=y
 CONFIG_CMD_GPIO=y
 CONFIG_CMD_GPT=y
@@ -43,10 +49,19 @@ CONFIG_MMC_DW_ROCKCHIP=y
 CONFIG_MMC_SDHCI=y
 CONFIG_MMC_SDHCI_SDMA=y
 CONFIG_MMC_SDHCI_ROCKCHIP=y
+CONFIG_SF_DEFAULT_BUS=4
+CONFIG_SPI_FLASH_SFDP_SUPPORT=y
+CONFIG_SPI_FLASH_GIGADEVICE=y
+CONFIG_SPI_FLASH_MACRONIX=y
+CONFIG_SPI_FLASH_SILICONKAISER=y
+CONFIG_SPI_FLASH_WINBOND=y
+CONFIG_SPI_FLASH_XMC=y
+CONFIG_SPI_FLASH_XTX=y
 CONFIG_SPL_PINCTRL=y
 CONFIG_SPL_RAM=y
 CONFIG_BAUDRATE=1500000
 CONFIG_DEBUG_UART_SHIFT=2
 CONFIG_SYS_NS16550_MEM32=y
+CONFIG_ROCKCHIP_SFC=y
 CONFIG_SYSRESET=y
 CONFIG_ERRNO_STR=y
-- 
2.43.2