[PATCH v1 07/11] arm: meson: a1: add A1_SYSCTRL_SEC_STICKY_REG2
Arseniy Krasnov <[email protected]>
| Newsgroups | io.groups.u-boot-amlogic,org.u-boot-project.lists.u-boot |
|---|---|
| Message-ID | <[email protected]> |
This register is used by ADNL protocol, to check boot source of current U-boot instance. Signed-off-by: Arseniy Krasnov <[email protected]> --- arch/arm/include/asm/arch-meson/a1.h | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/arch/arm/include/asm/arch-meson/a1.h b/arch/arm/include/asm/arch-meson/a1.h index 86d1a68de8c..16e209ed932 100644 --- a/arch/arm/include/asm/arch-meson/a1.h +++ b/arch/arm/include/asm/arch-meson/a1.h @@ -13,6 +13,12 @@ #define A1_SYSCTRL_ADDR(off) (A1_SYSCTRL_BASE + ((off) << 2)) #define A1_SYSCTRL_SEC_STATUS_REG4 A1_SYSCTRL_ADDR(0xc4) +/* + * Checked during boot. Tells, that previous code, e.g. + * executed before reboot requested to continue boot + * from USB. Used by ADNL protocol. + */ +#define A1_SYSCTRL_SEC_STICKY_REG2 A1_SYSCTRL_ADDR(0xe2) #define A1_SYSCTRL_MEM_SIZE_MASK 0xFFFF0000 #define A1_SYSCTRL_MEM_SIZE_SHIFT 16 -- 2.30.1