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 15:06:38 +0100
committerPeter Maydell <peter.maydell@linaro.org>2024-03-05 13:22:56 +0000
commit6487653efd54ea16c9fa39f0f7a648f27bc2c548 (patch)
tree85e6589cb5b15a4bcc1e5086cf57349a9b020d40 /include/hw/misc/stm32l4x5_rcc_internals.h
parentec7d83acbd1182d47df742745b43e6b16a3a4977 (diff)
downloadfocaccia-qemu-6487653efd54ea16c9fa39f0f7a648f27bc2c548.tar.gz
focaccia-qemu-6487653efd54ea16c9fa39f0f7a648f27bc2c548.zip
hw/misc/stm32l4x5_rcc: Add an internal PLL Clock object
This object represents the PLLs and their channels. The PLLs allow for a
more fine-grained control of the clocks frequency.

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>
Message-id: 20240303140643.81957-4-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.h22
1 files changed, 22 insertions, 0 deletions
diff --git a/include/hw/misc/stm32l4x5_rcc_internals.h b/include/hw/misc/stm32l4x5_rcc_internals.h
index 4aa836848b..a9da5e3be7 100644
--- a/include/hw/misc/stm32l4x5_rcc_internals.h
+++ b/include/hw/misc/stm32l4x5_rcc_internals.h
@@ -22,7 +22,10 @@
 #include "hw/misc/stm32l4x5_rcc.h"
 
 #define TYPE_RCC_CLOCK_MUX "stm32l4x5-rcc-clock-mux"
+#define TYPE_RCC_PLL "stm32l4x5-rcc-pll"
+
 OBJECT_DECLARE_SIMPLE_TYPE(RccClockMuxState, RCC_CLOCK_MUX)
+OBJECT_DECLARE_SIMPLE_TYPE(RccPllState, RCC_PLL)
 
 /* Register map */
 REG32(CR, 0x00)
@@ -285,6 +288,25 @@ REG32(CSR, 0x94)
                             R_CSR_FWRSTF_MASK   | \
                             R_CSR_LSIRDY_MASK)
 
+/* Pll Channels */
+enum PllChannels {
+    RCC_PLL_CHANNEL_PLLSAI3CLK = 0,
+    RCC_PLL_CHANNEL_PLL48M1CLK = 1,
+    RCC_PLL_CHANNEL_PLLCLK = 2,
+};
+
+enum PllSai1Channels {
+    RCC_PLLSAI1_CHANNEL_PLLSAI1CLK = 0,
+    RCC_PLLSAI1_CHANNEL_PLL48M2CLK = 1,
+    RCC_PLLSAI1_CHANNEL_PLLADC1CLK = 2,
+};
+
+enum PllSai2Channels {
+    RCC_PLLSAI2_CHANNEL_PLLSAI2CLK = 0,
+    /* No Q channel */
+    RCC_PLLSAI2_CHANNEL_PLLADC2CLK = 2,
+};
+
 typedef enum RccClockMuxSource {
     RCC_CLOCK_MUX_SRC_GND = 0,
     RCC_CLOCK_MUX_SRC_HSI,