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dts: wch: Enable using whole flash with CH32V208 #87345

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Merged
merged 1 commit into from
May 12, 2025
Merged

dts: wch: Enable using whole flash with CH32V208 #87345

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8 changes: 4 additions & 4 deletions dts/riscv/wch/ch32v208/ch32v208.dtsi
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Original file line number Diff line number Diff line change
Expand Up @@ -37,7 +37,7 @@
pll: pll {
#clock-cells = <0>;
compatible = "wch,ch32v20x_30x-pll-clock";
mul = <18>;
mul = <15>;
status = "disabled";
};
};
Expand All @@ -54,9 +54,9 @@
#address-cells = <1>;
#size-cells = <1>;

flash0: flash@0 {
flash0: flash@8000000 {
compatible = "soc-nv-flash";
reg = <0 DT_SIZE_K(128)>;
reg = <0x08000000 DT_SIZE_K(480)>;
};
};

Expand Down Expand Up @@ -160,5 +160,5 @@
};

&cpu0 {
clock-frequency = <DT_FREQ_M(144)>;
clock-frequency = <DT_FREQ_M(120)>;
};
9 changes: 0 additions & 9 deletions soc/wch/ch32v/qingke_v4c/Kconfig.defconfig
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Expand Up @@ -6,15 +6,6 @@ if SOC_SERIES_QINGKE_V4C
config SYS_CLOCK_HW_CYCLES_PER_SEC
default $(dt_node_int_prop_int,/cpus/cpu@0,clock-frequency)

config MAIN_STACK_SIZE
default 512

config IDLE_STACK_SIZE
default 256

config ISR_STACK_SIZE
default 256

config CLOCK_CONTROL
default y

Expand Down
2 changes: 1 addition & 1 deletion soc/wch/ch32v/qingke_v4c/Kconfig.defconfig.ch32v208
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Expand Up @@ -4,7 +4,7 @@
if SOC_CH32V208

config VECTOR_TABLE_SIZE
default 103
default 104

config NUM_IRQS
default 128
Expand Down
7 changes: 5 additions & 2 deletions soc/wch/ch32v/qingke_v4c/vector.S
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Original file line number Diff line number Diff line change
@@ -1,5 +1,5 @@
/*
* Copyright (c) 2024 Michael Hope
* Copyright (c) 2025 MASSDRIVER EI (massdriver.space)
*
* SPDX-License-Identifier: Apache-2.0
*/
Expand All @@ -18,12 +18,15 @@ GTEXT(__initialize)

SECTION_FUNC(vectors, ivt)
.option norvc
/* Jump to 0x08000008, into the main flash zone where j __start is */
lui x5, 0x8000
jr 0x8(x5)
j __start
.rept CONFIG_VECTOR_TABLE_SIZE
.word _isr_wrapper
.endr

SECTION_FUNC(vectors, __start)
li a0, 3
li a0, 0xf
csrw mtvec, a0
j __initialize