[PATCH v2 13/13] rockchip: rk3588-rock-5b: Enable boot from SPI NOR flash

Jonas Karlman jonas at kwiboo.se
Wed May 17 20:26:41 CEST 2023


Add sfc and flash node to device tree and config options to enable
support for booting from SPI NOR flash on Radxa ROCK 5 Model B.

Signed-off-by: Jonas Karlman <jonas at kwiboo.se>
Reviewed-by: Kever Yang <kever.yang at rock-chips.com>
---
v2:
- Add and use BROM_BOOTSOURCE_SPINOR_RK3588 enum value
- Rebased to resolve conflicts
- Collect r-b tag

 arch/arm/dts/rk3588-rock-5b-u-boot.dtsi      | 24 ++++++++++++++++++++
 arch/arm/dts/rk3588s-u-boot.dtsi             | 20 ++++++++++++++++
 arch/arm/include/asm/arch-rockchip/bootrom.h |  1 +
 arch/arm/mach-rockchip/rk3588/rk3588.c       |  1 +
 configs/rock5b-rk3588_defconfig              | 10 ++++++++
 5 files changed, 56 insertions(+)

diff --git a/arch/arm/dts/rk3588-rock-5b-u-boot.dtsi b/arch/arm/dts/rk3588-rock-5b-u-boot.dtsi
index db342e6a9391..1cd8a57a6fa6 100644
--- a/arch/arm/dts/rk3588-rock-5b-u-boot.dtsi
+++ b/arch/arm/dts/rk3588-rock-5b-u-boot.dtsi
@@ -11,6 +11,7 @@
 / {
 	aliases {
 		mmc1 = &sdmmc;
+		spi0 = &sfc;
 	};
 
 	chosen {
@@ -54,6 +55,10 @@
 	bootph-all;
 };
 
+&fspim2_pins {
+	bootph-all;
+};
+
 &pcie2x1l2 {
 	pinctrl-names = "default";
 	pinctrl-0 = <&pcie2x1l2_pins &pcie_reset_h>;
@@ -123,6 +128,25 @@
 	pinctrl-0 = <&emmc_bus8 &emmc_clk &emmc_cmd &emmc_data_strobe &emmc_rstnout>;
 };
 
+&sfc {
+	bootph-pre-ram;
+	u-boot,spl-sfc-no-dma;
+	pinctrl-names = "default";
+	pinctrl-0 = <&fspim2_pins>;
+	#address-cells = <1>;
+	#size-cells = <0>;
+	status = "okay";
+
+	flash at 0 {
+		bootph-pre-ram;
+		compatible = "jedec,spi-nor";
+		reg = <0>;
+		spi-max-frequency = <24000000>;
+		spi-rx-bus-width = <4>;
+		spi-tx-bus-width = <1>;
+	};
+};
+
 &uart2m0_xfer {
 	bootph-all;
 };
diff --git a/arch/arm/dts/rk3588s-u-boot.dtsi b/arch/arm/dts/rk3588s-u-boot.dtsi
index 2c4cad82b38f..64c309046587 100644
--- a/arch/arm/dts/rk3588s-u-boot.dtsi
+++ b/arch/arm/dts/rk3588s-u-boot.dtsi
@@ -165,6 +165,15 @@
 		};
 	};
 
+	sfc: spi at fe2b0000 {
+		compatible = "rockchip,sfc";
+		reg = <0x0 0xfe2b0000 0x0 0x4000>;
+		interrupts = <GIC_SPI 206 IRQ_TYPE_LEVEL_HIGH 0>;
+		clocks = <&cru SCLK_SFC>, <&cru HCLK_SFC>;
+		clock-names = "clk_sfc", "hclk_sfc";
+		status = "disabled";
+	};
+
 	otp: nvmem at fecc0000 {
 		compatible = "rockchip,rk3588-otp";
 		reg = <0x0 0xfecc0000 0x0 0x400>;
@@ -241,3 +250,14 @@
 &ioc {
 	bootph-pre-ram;
 };
+
+#ifdef CONFIG_ROCKCHIP_SPI_IMAGE
+&binman {
+	simple-bin-spi {
+		mkimage {
+			args = "-n", CONFIG_SYS_SOC, "-T", "rksd";
+			offset = <0x8000>;
+		};
+	};
+};
+#endif
diff --git a/arch/arm/include/asm/arch-rockchip/bootrom.h b/arch/arm/include/asm/arch-rockchip/bootrom.h
index 4276a0f6811a..7dab18fbc3fb 100644
--- a/arch/arm/include/asm/arch-rockchip/bootrom.h
+++ b/arch/arm/include/asm/arch-rockchip/bootrom.h
@@ -48,6 +48,7 @@ enum {
 	BROM_BOOTSOURCE_SPINOR = 3,
 	BROM_BOOTSOURCE_SPINAND = 4,
 	BROM_BOOTSOURCE_SD = 5,
+	BROM_BOOTSOURCE_SPINOR_RK3588 = 6,
 	BROM_BOOTSOURCE_USB = 10,
 	BROM_LAST_BOOTSOURCE = BROM_BOOTSOURCE_USB
 };
diff --git a/arch/arm/mach-rockchip/rk3588/rk3588.c b/arch/arm/mach-rockchip/rk3588/rk3588.c
index 18e67b5ca9b2..b1f535fad505 100644
--- a/arch/arm/mach-rockchip/rk3588/rk3588.c
+++ b/arch/arm/mach-rockchip/rk3588/rk3588.c
@@ -41,6 +41,7 @@ const char * const boot_devices[BROM_LAST_BOOTSOURCE + 1] = {
 	[BROM_BOOTSOURCE_EMMC] = "/mmc at fe2e0000",
 	[BROM_BOOTSOURCE_SPINOR] = "/spi at fe2b0000/flash at 0",
 	[BROM_BOOTSOURCE_SD] = "/mmc at fe2c0000",
+	[BROM_BOOTSOURCE_SPINOR_RK3588] = "/spi at fe2b0000/flash at 0",
 };
 
 static struct mm_region rk3588_mem_map[] = {
diff --git a/configs/rock5b-rk3588_defconfig b/configs/rock5b-rk3588_defconfig
index 5fe3a3542e11..9d0b55c01ac9 100644
--- a/configs/rock5b-rk3588_defconfig
+++ b/configs/rock5b-rk3588_defconfig
@@ -8,15 +8,20 @@ CONFIG_SPL_LIBGENERIC_SUPPORT=y
 CONFIG_NR_DRAM_BANKS=2
 CONFIG_HAS_CUSTOM_SYS_INIT_SP_ADDR=y
 CONFIG_CUSTOM_SYS_INIT_SP_ADDR=0xc00000
+CONFIG_SF_DEFAULT_SPEED=24000000
+CONFIG_SF_DEFAULT_MODE=0x2000
 CONFIG_DEFAULT_DEVICE_TREE="rk3588-rock-5b"
 CONFIG_ROCKCHIP_RK3588=y
 CONFIG_SPL_ROCKCHIP_COMMON_BOARD=y
+CONFIG_ROCKCHIP_SPI_IMAGE=y
 CONFIG_SPL_SERIAL=y
 CONFIG_SPL_STACK_R_ADDR=0x600000
 CONFIG_TARGET_ROCK5B_RK3588=y
 CONFIG_SPL_STACK=0x400000
 CONFIG_DEBUG_UART_BASE=0xFEB50000
 CONFIG_DEBUG_UART_CLOCK=24000000
+CONFIG_SPL_SPI_FLASH_SUPPORT=y
+CONFIG_SPL_SPI=y
 CONFIG_SYS_LOAD_ADDR=0xc00800
 CONFIG_PCI=y
 CONFIG_DEBUG_UART=y
@@ -36,6 +41,8 @@ CONFIG_SPL_BSS_MAX_SIZE=0x4000
 # CONFIG_SPL_RAW_IMAGE_SUPPORT is not set
 # CONFIG_SPL_SHARES_INIT_SP_ADDR is not set
 CONFIG_SPL_STACK_R=y
+CONFIG_SPL_SPI_LOAD=y
+CONFIG_SYS_SPI_U_BOOT_OFFS=0x60000
 CONFIG_SPL_ATF=y
 CONFIG_CMD_GPIO=y
 CONFIG_CMD_GPT=y
@@ -61,6 +68,8 @@ CONFIG_MMC_SDHCI=y
 CONFIG_MMC_SDHCI_SDMA=y
 # CONFIG_SPL_MMC_SDHCI_SDMA is not set
 CONFIG_MMC_SDHCI_ROCKCHIP=y
+CONFIG_SPI_FLASH_MACRONIX=y
+CONFIG_SPI_FLASH_XTX=y
 CONFIG_ETH_DESIGNWARE=y
 CONFIG_GMAC_ROCKCHIP=y
 CONFIG_PCIE_DW_ROCKCHIP=y
@@ -73,6 +82,7 @@ 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_USB=y
 CONFIG_USB_EHCI_HCD=y
-- 
2.40.1



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