GK SDK 源码库: XMIPCLinuxV100R005C00SPC030 (kernel/tools/open_source excluded)

source/bootloader/u-boot-2020.01/board/rockchip/evb_rv1108/Kconfig

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+if TARGET_EVB_RV1108
+
+config SYS_BOARD
+	default "evb_rv1108"
+
+config SYS_VENDOR
+	default "rockchip"
+
+config SYS_CONFIG_NAME
+	default "evb_rv1108"
+
+config BOARD_SPECIFIC_OPTIONS # dummy
+	def_bool y
+
+endif

source/bootloader/u-boot-2020.01/board/rockchip/evb_rv1108/MAINTAINERS

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+EVB-RV1108
+M:      Andy Yan <andy.yan@rock-chips.com>
+S:      Maintained
+F:      board/rockchip/evb_rv1108
+F:      include/configs/evb_rv1108.h
+F:      configs/evb-rv1108_defconfig

source/bootloader/u-boot-2020.01/board/rockchip/evb_rv1108/Makefile

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+#
+# (C) Copyright 2016 Rockchip Electronics Co., Ltd
+#
+# SPDX-License-Identifier:     GPL-2.0+
+#
+
+obj-y	+= evb_rv1108.o

source/bootloader/u-boot-2020.01/board/rockchip/evb_rv1108/README

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+Here is the step-by-step to boot U-Boot on rv1108 evb.
+
+Get ddr init binary
+==============================================================================
+  > git clone  https://github.com/rockchip-linux/rkbin.git
+
+Compile  U-Boot
+===========================
+  > make CROSS_COMPILE=arm-linux-gnueabi- evb-rv1108_defconfig  all
+  > ./tools/mkimage  -n rv1108 -T rksd -d ../rkbin/rv1x/rv1108ddr_v1.00.bin spl.bin
+  > cat spl.bin u-boot.bin > u-boot.img
+
+Flash the image by rkdeveloptool
+================================
+rkdeveloptool can get from https://github.com/rockchip-linux/rkdeveloptool.git
+
+Power on(or reset with RESET KEY) with MASKROM KEY preesed, and then:
+  > rkdeveloptool db ./rkbin/rv1x/rv1108usbboot_v1.00.bin
+  > rkdeveloptool wl 0x40 u-boot.img
+  > rkdeveloptool RD
+
+You should be able to get U-Boot log message from boot console:
+
+DDR Version V1.02 20170220
+In
+400MHz
+DDR3
+Bus Width=16 Col=10 Bank=8 Row=15 CS=1 Die Bus-Width=16 Size=512MB
+mach:2
+OUT
+
+
+U-Boot 2017.05-00693-g3a5b171 (Jun 01 2017 - 17:37:53 +0800)
+
+Model: Rockchip RV1108 Evaluation board
+DRAM:  128 MiB
+APLL: 600000000 DPLL:792000000 GPLL:384000000
+MMC:
+Using default environment
+
+In:    serial@10210000
+Out:   serial@10210000
+Err:   serial@10210000
+Net:   No ethernet found.
+Hit any key to stop autoboot:  0
+=>

source/bootloader/u-boot-2020.01/board/rockchip/evb_rv1108/evb_rv1108.c

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+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * (C)Copyright 2016 Rockchip Electronics Co., Ltd
+ * Authors: Andy Yan <andy.yan@rock-chips.com>
+ */
+
+#include <common.h>
+#include <asm/io.h>
+#include <fdtdec.h>
+#include <asm/arch-rockchip/grf_rv1108.h>
+#include <asm/arch-rockchip/hardware.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+int mach_cpu_init(void)
+{
+	int node;
+	struct rv1108_grf *grf;
+	enum {
+		GPIO3C3_SHIFT           = 6,
+		GPIO3C3_MASK            = 3 << GPIO3C3_SHIFT,
+
+		GPIO3C2_SHIFT           = 4,
+		GPIO3C2_MASK            = 3 << GPIO3C2_SHIFT,
+
+		GPIO2D2_SHIFT		= 4,
+		GPIO2D2_MASK		= 3 << GPIO2D2_SHIFT,
+		GPIO2D2_GPIO            = 0,
+		GPIO2D2_UART2_SOUT_M0,
+
+		GPIO2D1_SHIFT		= 2,
+		GPIO2D1_MASK		= 3 << GPIO2D1_SHIFT,
+		GPIO2D1_GPIO            = 0,
+		GPIO2D1_UART2_SIN_M0,
+	};
+
+	node = fdt_node_offset_by_compatible(gd->fdt_blob, -1, "rockchip,rv1108-grf");
+	grf = (struct rv1108_grf *)fdtdec_get_addr(gd->fdt_blob, node, "reg");
+
+	/*evb board use UART2 m0 for debug*/
+	rk_clrsetreg(&grf->gpio2d_iomux,
+		     GPIO2D2_MASK | GPIO2D1_MASK,
+		     GPIO2D2_UART2_SOUT_M0 << GPIO2D2_SHIFT |
+		     GPIO2D1_UART2_SIN_M0 << GPIO2D1_SHIFT);
+	rk_clrreg(&grf->gpio3c_iomux, GPIO3C3_MASK | GPIO3C2_MASK);
+
+	return 0;
+}
+
+int dram_init(void)
+{
+	gd->ram_size = 0x8000000;
+
+	return 0;
+}