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rockchip: rk322x: enable fastboot to set boot mode tag

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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>
This commit is contained in:
Kever Yang 2017-08-09 19:28:03 +08:00 • committed by Philipp Tomsich
parent 578ab33eab
commit c964a0dcae
1 changed files with 15 additions and 0 deletions
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15
arch/arm/mach-rockchip/rk322x-board.c
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@ -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