fastboot have a command "reboot-bootloader" which require the boot
loader to reboot and get into fastboot mode again.
Signed-off-by: Kever Yang <kever.y...@rock-chips.com>
Reviewed-by: Simon Glass <s...@chromium.org>
Acked-by: Philipp Tomsich <philipp.toms...@theobroma-systems.com>
---
Changes in v2: None
arch/arm/mach-rockchip/rk3399/rk3399.c | 14 ++++++++++++++
1 file changed, 14 insertions(+)
diff --git a/arch/arm/mach-rockchip/rk3399/rk3399.c
b/arch/arm/mach-rockchip/rk3399/rk3399.c
index 3a5e4f9..3135b65 100644
--- a/arch/arm/mach-rockchip/rk3399/rk3399.c
+++ b/arch/arm/mach-rockchip/rk3399/rk3399.c
@@ -95,3 +95,17 @@ int board_late_init(void)
return 0;
}
+
+#if defined(CONFIG_USB_FUNCTION_FASTBOOT)
+int fb_set_reboot_flag(void)
+{
+ struct rk3399_pmugrf_regs *pmugrf;
+
+ printf("Setting reboot to fastboot flag ...\n");
+ pmugrf = syscon_get_first_range(ROCKCHIP_SYSCON_PMUGRF);
+ /* Clear boot mode */
+ writel(BOOT_FASTBOOT, &pmugrf->os_reg0);
+
+ return 0;
+}
+#endif
--
1.9.1
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