summary refs log tree commit diff stats
path: root/include/hw/misc/stm32l4x5_rcc_internals.h
diff options
context:
space:
mode:
authorArnaud Minier <arnaud.minier@telecom-paris.fr>2024-03-03 15:06:37 +0100
committerPeter Maydell <peter.maydell@linaro.org>2024-03-05 13:22:56 +0000
commitec7d83acbd1182d47df742745b43e6b16a3a4977 (patch)
tree1e7ccd84a9e59ef92d55dbb52aec7eb1e0683618 /include/hw/misc/stm32l4x5_rcc_internals.h
parentd6b55a0fe9920b46d380f50d7da48ff43de21324 (diff)
downloadfocaccia-qemu-ec7d83acbd1182d47df742745b43e6b16a3a4977.tar.gz
focaccia-qemu-ec7d83acbd1182d47df742745b43e6b16a3a4977.zip
hw/misc/stm32l4x5_rcc: Add an internal clock multiplexer object
This object is used to represent every multiplexer in the clock tree as
well as every clock output, every presecaler, frequency multiplier, etc.
This allows to use a generic approach for every component of the clock tree
(except the PLLs).

The migration handling is based on hw/misc/zynq_sclr.c.
Three phase reset will be handled in a later commit.

Signed-off-by: Arnaud Minier <arnaud.minier@telecom-paris.fr>
Signed-off-by: Inès Varhol <ines.varhol@telecom-paris.fr>
Acked-by: Alistair Francis <alistair.francis@wdc.com>
Message-id: 20240303140643.81957-3-arnaud.minier@telecom-paris.fr
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Diffstat (limited to 'include/hw/misc/stm32l4x5_rcc_internals.h')
-rw-r--r--include/hw/misc/stm32l4x5_rcc_internals.h29
1 files changed, 29 insertions, 0 deletions
diff --git a/include/hw/misc/stm32l4x5_rcc_internals.h b/include/hw/misc/stm32l4x5_rcc_internals.h
index 331ea30db5..4aa836848b 100644
--- a/include/hw/misc/stm32l4x5_rcc_internals.h
+++ b/include/hw/misc/stm32l4x5_rcc_internals.h
@@ -21,6 +21,8 @@
 #include "hw/registerfields.h"
 #include "hw/misc/stm32l4x5_rcc.h"
 
+#define TYPE_RCC_CLOCK_MUX "stm32l4x5-rcc-clock-mux"
+OBJECT_DECLARE_SIMPLE_TYPE(RccClockMuxState, RCC_CLOCK_MUX)
 
 /* Register map */
 REG32(CR, 0x00)
@@ -283,4 +285,31 @@ REG32(CSR, 0x94)
                             R_CSR_FWRSTF_MASK   | \
                             R_CSR_LSIRDY_MASK)
 
+typedef enum RccClockMuxSource {
+    RCC_CLOCK_MUX_SRC_GND = 0,
+    RCC_CLOCK_MUX_SRC_HSI,
+    RCC_CLOCK_MUX_SRC_HSE,
+    RCC_CLOCK_MUX_SRC_MSI,
+    RCC_CLOCK_MUX_SRC_LSI,
+    RCC_CLOCK_MUX_SRC_LSE,
+    RCC_CLOCK_MUX_SRC_SAI1_EXTCLK,
+    RCC_CLOCK_MUX_SRC_SAI2_EXTCLK,
+    RCC_CLOCK_MUX_SRC_PLL,
+    RCC_CLOCK_MUX_SRC_PLLSAI1,
+    RCC_CLOCK_MUX_SRC_PLLSAI2,
+    RCC_CLOCK_MUX_SRC_PLLSAI3,
+    RCC_CLOCK_MUX_SRC_PLL48M1,
+    RCC_CLOCK_MUX_SRC_PLL48M2,
+    RCC_CLOCK_MUX_SRC_PLLADC1,
+    RCC_CLOCK_MUX_SRC_PLLADC2,
+    RCC_CLOCK_MUX_SRC_SYSCLK,
+    RCC_CLOCK_MUX_SRC_HCLK,
+    RCC_CLOCK_MUX_SRC_PCLK1,
+    RCC_CLOCK_MUX_SRC_PCLK2,
+    RCC_CLOCK_MUX_SRC_HSE_OVER_32,
+    RCC_CLOCK_MUX_SRC_LCD_AND_RTC_COMMON,
+
+    RCC_CLOCK_MUX_SRC_NUMBER,
+} RccClockMuxSource;
+
 #endif /* HW_STM32L4X5_RCC_INTERNALS_H */