[U-Boot] [RESENT PATCH 1/2] rockchip: rk3128: use ROCKCHIP_BOOT_MODE_REG to update reboot flag

[Kever Yang]

Use ROCKCHIP_BOOT_MODE_REG instead of grf structure so that
we can re-use the source code later.

Signed-off-by: Kever Yang <kever.yang at rock-chips.com>
---

 arch/arm/mach-rockchip/Kconfig        | 1 +
 arch/arm/mach-rockchip/rk3128-board.c | 5 +----
 2 files changed, 2 insertions(+), 4 deletions(-)

diff --git a/arch/arm/mach-rockchip/Kconfig b/arch/arm/mach-rockchip/Kconfig
index 145d96b1f0..94a03e2a38 100644
--- a/arch/arm/mach-rockchip/Kconfig
+++ b/arch/arm/mach-rockchip/Kconfig
@@ -179,6 +179,7 @@ config TPL_ROCKCHIP_BACK_TO_BROM
 config ROCKCHIP_BOOT_MODE_REG
 	hex "Rockchip boot mode flag register address"
 	default 0x200081c8 if ROCKCHIP_RK3036
+	default 0x100a0038 if ROCKCHIP_RK3128
 	default 0x20004040 if ROCKCHIP_RK3188
 	default 0x110005c8 if ROCKCHIP_RK322X
 	default 0xff730094 if ROCKCHIP_RK3288
diff --git a/arch/arm/mach-rockchip/rk3128-board.c b/arch/arm/mach-rockchip/rk3128-board.c
index 7fd667a0b8..f64ccc51a0 100644
--- a/arch/arm/mach-rockchip/rk3128-board.c
+++ b/arch/arm/mach-rockchip/rk3128-board.c
@@ -114,12 +114,9 @@ int board_usb_cleanup(int index, enum usb_init_type init)
 #if CONFIG_IS_ENABLED(FASTBOOT)
 int fastboot_set_reboot_flag(void)
 {
-	struct rk3128_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]);
+	writel(BOOT_FASTBOOT, CONFIG_ROCKCHIP_BOOT_MODE_REG);
 
 	return 0;
 }
-- 
2.18.0