[U-Boot] [PATCH v2 2/6] stm32mp1: declare backup registers for coprocessor

Fabien Dessenne fabien.dessenne at st.com
Wed Oct 30 13:38:29 UTC 2019


Use the backup register #17 as coprocessor resource table address and
backup register #18 as coprocessor state.

Signed-off-by: Fabien Dessenne <fabien.dessenne at st.com>
---
 arch/arm/mach-stm32mp/include/mach/stm32.h | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/arch/arm/mach-stm32mp/include/mach/stm32.h b/arch/arm/mach-stm32mp/include/mach/stm32.h
index b3e9ccc..88126b8 100644
--- a/arch/arm/mach-stm32mp/include/mach/stm32.h
+++ b/arch/arm/mach-stm32mp/include/mach/stm32.h
@@ -86,9 +86,18 @@ enum boot_device {
 #define TAMP_BACKUP_REGISTER(x)		(STM32_TAMP_BASE + 0x100 + 4 * x)
 #define TAMP_BACKUP_MAGIC_NUMBER	TAMP_BACKUP_REGISTER(4)
 #define TAMP_BACKUP_BRANCH_ADDRESS	TAMP_BACKUP_REGISTER(5)
+#define TAMP_COPRO_RSC_TBL_ADDRESS	TAMP_BACKUP_REGISTER(17)
+#define TAMP_COPRO_STATE		TAMP_BACKUP_REGISTER(18)
 #define TAMP_BOOT_CONTEXT		TAMP_BACKUP_REGISTER(20)
 #define TAMP_BOOTCOUNT			TAMP_BACKUP_REGISTER(21)
 
+#define TAMP_COPRO_STATE_OFF		0
+#define TAMP_COPRO_STATE_INIT		1
+#define TAMP_COPRO_STATE_CRUN		2
+#define TAMP_COPRO_STATE_CSTOP		3
+#define TAMP_COPRO_STATE_STANDBY	4
+#define TAMP_COPRO_STATE_CRASH		5
+
 #define TAMP_BOOT_MODE_MASK		GENMASK(15, 8)
 #define TAMP_BOOT_MODE_SHIFT		8
 #define TAMP_BOOT_DEVICE_MASK		GENMASK(7, 4)
-- 
2.7.4



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