U-Boot fastboot, kernel may reboot with parameter which require
bootloader to get into different boot mode, detect it and enter
proper mode.
Signed-off-by: Kever Yang <kever.y...@rock-chips.com>
---
Changes in v2:
- use env_set() instead of setenv()
arch/arm/mach-rockchip/rk3399/Kconfig | 1 +
arch/arm/mach-rockchip/rk3399/rk3399.c | 42 +++++++++++++++++++++++++++++++++-
2 files changed, 42 insertions(+), 1 deletion(-)
diff --git a/arch/arm/mach-rockchip/rk3399/Kconfig
b/arch/arm/mach-rockchip/rk3399/Kconfig
index 415466a..c4a6d46 100644
--- a/arch/arm/mach-rockchip/rk3399/Kconfig
+++ b/arch/arm/mach-rockchip/rk3399/Kconfig
@@ -5,6 +5,7 @@ choice
config TARGET_EVB_RK3399
bool "RK3399 evaluation board"
+ select BOARD_LATE_INIT
help
RK3399evb is a evaluation board for Rockchp rk3399,
with full function and phisical connectors support like type-C ports,
diff --git a/arch/arm/mach-rockchip/rk3399/rk3399.c
b/arch/arm/mach-rockchip/rk3399/rk3399.c
index dbc248f..3a5e4f9 100644
--- a/arch/arm/mach-rockchip/rk3399/rk3399.c
+++ b/arch/arm/mach-rockchip/rk3399/rk3399.c
@@ -5,9 +5,13 @@
*/
#include <common.h>
+#include <syscon.h>
#include <asm/armv8/mmu.h>
-#include <asm/io.h>
+#include <asm/arch/boot_mode.h>
+#include <asm/arch/clock.h>
+#include <asm/arch/grf_rk3399.h>
#include <asm/arch/hardware.h>
+#include <asm/io.h>
DECLARE_GLOBAL_DATA_PTR;
@@ -55,3 +59,39 @@ int arch_cpu_init(void)
return 0;
}
+
+static void setup_boot_mode(void)
+{
+ struct rk3399_pmugrf_regs *pmugrf;
+ int boot_mode;
+
+ pmugrf = syscon_get_first_range(ROCKCHIP_SYSCON_PMUGRF);
+ boot_mode = readl(&pmugrf->os_reg0);
+ debug("boot mode %x\n", boot_mode);
+
+ /* Clear boot mode */
+ writel(BOOT_NORMAL, &pmugrf->os_reg0);
+
+ switch (boot_mode) {
+ case BOOT_FASTBOOT:
+ printf("enter fastboot!\n");
+ env_set("preboot", "setenv preboot; fastboot usb0");
+ break;
+ case BOOT_UMS:
+ printf("enter UMS!\n");
+ 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;
+ }
+}
+
+int board_late_init(void)
+{
+ setup_boot_mode();
+
+ return 0;
+}
--
1.9.1
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