diff options
| -rw-r--r-- | arch/x86/cpu/quark/quark.c | 3 | ||||
| -rw-r--r-- | arch/x86/include/asm/arch-quark/quark.h | 1 |
2 files changed, 4 insertions, 0 deletions
diff --git a/arch/x86/cpu/quark/quark.c b/arch/x86/cpu/quark/quark.c index 8d53fe3..3ddf079 100644 --- a/arch/x86/cpu/quark/quark.c +++ b/arch/x86/cpu/quark/quark.c @@ -288,5 +288,8 @@ void board_final_cleanup(void) val &= ~0xff0000; writel(val, &rcba->esd); + /* Lock HMBOUND for security */ + msg_port_setbits(MSG_PORT_HOST_BRIDGE, HM_BOUND, HM_BOUND_LOCK); + return; } diff --git a/arch/x86/include/asm/arch-quark/quark.h b/arch/x86/include/asm/arch-quark/quark.h index eb3afbf..338c896 100644 --- a/arch/x86/include/asm/arch-quark/quark.h +++ b/arch/x86/include/asm/arch-quark/quark.h @@ -32,6 +32,7 @@ /* Host Memory I/O Boundary */ #define HM_BOUND 0x08 +#define HM_BOUND_LOCK 0x00000001 /* Extended Configuration Space */ #define HEC_REG 0x09 |