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reset: stm32: Add support of MCU HOLD BOOT

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Handle the register RCC_MP_GCR without SET/CLR registers
but with a direct access to bit BOOT_MCU:
- deassert => set the bit: The MCU will not be in HOLD_BOOT
- assert => clear the bit: The MCU will be set in HOLD_BOOT

With this patch the RCC driver handles the MCU_HOLD_BOOT_R value
added in binding stm32mp1-resets.h

Cc: Fabien DESSENNE <fabien.dessenne@st.com>
Cc: Arnaud POULIQUEN <arnaud.pouliquen@st.com>
Signed-off-by: Patrick Delaunay <patrick.delaunay@st.com>
Reviewed-by: Patrice Chotard <patrice.chotard@st.com>
This commit is contained in:
Patrick Delaunay 2020-10-15 15:01:11 +02:00
parent 29e5c02788
commit d8d29a4489
2 changed files with 14 additions and 4 deletions
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1
include/dt-bindings/reset/stm32mp1-resets.h
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@ -7,6 +7,7 @@
#ifndef _DT_BINDINGS_STM32MP1_RESET_H_
#define _DT_BINDINGS_STM32MP1_RESET_H_
#define MCU_HOLD_BOOT_R 2144
#define LTDC_R 3072
#define DSI_R 3076
#define DDRPERFM_R 3080