[U-Boot] [PATCH v2 3/4] rockchip: add BOOT_LOADER support for boot mode

[Kever Yang]

Rockchip using rockusb for flash emmc via USB, people
use 'reboot loader' in kernel and then want to get a rockusb
device in bootloader for firmware update.

Signed-off-by: Kever Yang <kever.y...@rock-chips.com>
---

Changes in v2:
- use env_set() instead of setenv()

 arch/arm/mach-rockchip/rk3036-board.c | 4 ++++
 arch/arm/mach-rockchip/rk322x-board.c | 4 ++++
 arch/arm/mach-rockchip/rk3288-board.c | 4 ++++
 3 files changed, 12 insertions(+)

diff --git a/arch/arm/mach-rockchip/rk3036-board.c 
b/arch/arm/mach-rockchip/rk3036-board.c
index a3457f3..1f11f8e 100644
--- a/arch/arm/mach-rockchip/rk3036-board.c
+++ b/arch/arm/mach-rockchip/rk3036-board.c
@@ -40,6 +40,10 @@ static void setup_boot_mode(void)
                printf("enter UMS!\n");
                env_set("preboot", "setenv preboot; ums mmc 0");
                break;
+       case BOOT_LOADER:
+               printf("enter Rockusb!\n");
+               env_set("preboot", "setenv preboot; rockusb 0 mmc 0");
+               break;
        }
 }
 
diff --git a/arch/arm/mach-rockchip/rk322x-board.c 
b/arch/arm/mach-rockchip/rk322x-board.c
index 91e3c90..8c77977 100644
--- a/arch/arm/mach-rockchip/rk322x-board.c
+++ b/arch/arm/mach-rockchip/rk322x-board.c
@@ -36,6 +36,10 @@ static void setup_boot_mode(void)
                printf("enter UMS!\n");
                env_set("preboot", "setenv preboot; ums mmc 0");
                break;
+       case BOOT_LOADER:
+               printf("enter Rockusb!\n");
+               env_set("preboot", "setenv preboot; rockusb 0 mmc 0");
+               break;
        }
 }
 
diff --git a/arch/arm/mach-rockchip/rk3288-board.c 
b/arch/arm/mach-rockchip/rk3288-board.c
index 74c6cc1..a08658a 100644
--- a/arch/arm/mach-rockchip/rk3288-board.c
+++ b/arch/arm/mach-rockchip/rk3288-board.c
@@ -44,6 +44,10 @@ static void setup_boot_mode(void)
                env_set("preboot", "setenv preboot; if mmc dev 0;"
                       "then ums mmc 0; else ums mmc 1;fi");
                break;
+       case BOOT_LOADER:
+               printf("enter Rockusb!\n");
+               env_set("preboot", "setenv preboot; rockusb 0 mmc 0");
+               break;
        }
 }
 
-- 
1.9.1

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