From c964a0dcae5c4af334881d7286ec0222640b6a17 Mon Sep 17 00:00:00 2001
From: Kever Yang <kever.yang@rock-chips.com>
Date: Wed, 9 Aug 2017 19:28:03 +0800
Subject: [PATCH] rockchip: rk322x: enable fastboot to set boot mode tag
To support fastboot "fastboot reboot-bootloader" cmd.
Signed-off-by: Kever Yang <kever.yang@rock-chips.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
Acked-by: Philipp Tomsich <philipp.tomsich@theobroma-systems.com>
---
arch/arm/mach-rockchip/rk322x-board.c | 15 +++++++++++++++
1 file changed, 15 insertions(+)
diff --git a/arch/arm/mach-rockchip/rk322x-board.c b/arch/arm/mach-rockchip/rk322x-board.c
index c0ac2e9b56..63875557ec 100644
--- a/arch/arm/mach-rockchip/rk322x-board.c
+++ b/arch/arm/mach-rockchip/rk322x-board.c
@@ -7,6 +7,7 @@
#include <clk.h>
#include <dm.h>
#include <ram.h>
+#include <syscon.h>
#include <asm/io.h>
#include <asm/arch/clock.h>
#include <asm/arch/periph.h>
@@ -136,3 +137,17 @@ int board_usb_cleanup(int index, enum usb_init_type init)
return 0;
}
#endif
+
+#if defined(CONFIG_USB_FUNCTION_FASTBOOT)
+int fb_set_reboot_flag(void)
+{
+ struct rk322x_grf *grf;
+
+ printf("Setting reboot to fastboot flag ...\n");
+ grf = syscon_get_first_range(ROCKCHIP_SYSCON_GRF);
+ /* Set boot mode to fastboot */
+ writel(BOOT_FASTBOOT, &grf->os_reg[0]);
+
+ return 0;
+}
+#endif
--
2.39.5