boards: riscv: rv32m1: add support for GPIO debugging

Having a pin toggle when the code reaches a certain point is really useful for debugging; the infrastructure is already in place for Nordic boards, so just build upon and enable the mechanism on the Vega board as well. Signed-off-by: David Leach <[email protected]>
a1ien · Nov 8, 2019 · 94106a8 · 94106a8
1 parent 256ec94
commit 94106a8
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diff --git a/boards/riscv/rv32m1_vega/pinmux.c b/boards/riscv/rv32m1_vega/pinmux.c
@@ -6,8 +6,15 @@
 
 #include <init.h>
 #include <drivers/pinmux.h>
+#include <drivers/gpio.h>
 #include <fsl_port.h>
 
+#ifdef CONFIG_BT_CTLR_DEBUG_PINS
+struct device *vega_debug_portb;
+struct device *vega_debug_portc;
+struct device *vega_debug_portd;
+#endif
+
 static int rv32m1_vega_pinmux_init(struct device *dev)
 {
 	ARG_UNUSED(dev);
@@ -70,6 +77,39 @@ static int rv32m1_vega_pinmux_init(struct device *dev)
 	pinmux_pin_set(portb, 22, PORT_PCR_MUX(kPORT_MuxAlt2));
 #endif
 
+#ifdef CONFIG_BT_CTLR_DEBUG_PINS
+
+	pinmux_pin_set(portb, 29, PORT_PCR_MUX(kPORT_MuxAsGpio));
+
+	pinmux_pin_set(portc, 28, PORT_PCR_MUX(kPORT_MuxAsGpio));
+	pinmux_pin_set(portc, 29, PORT_PCR_MUX(kPORT_MuxAsGpio));
+	pinmux_pin_set(portc, 30, PORT_PCR_MUX(kPORT_MuxAsGpio));
+
+	pinmux_pin_set(portd, 0, PORT_PCR_MUX(kPORT_MuxAsGpio));
+	pinmux_pin_set(portd, 1, PORT_PCR_MUX(kPORT_MuxAsGpio));
+	pinmux_pin_set(portd, 2, PORT_PCR_MUX(kPORT_MuxAsGpio));
+	pinmux_pin_set(portd, 3, PORT_PCR_MUX(kPORT_MuxAsGpio));
+	pinmux_pin_set(portd, 4, PORT_PCR_MUX(kPORT_MuxAsGpio));
+	pinmux_pin_set(portd, 5, PORT_PCR_MUX(kPORT_MuxAsGpio));
+
+	struct device *gpio_dev = device_get_binding(DT_ALIAS_GPIO_B_LABEL);
+
+	gpio_pin_configure(gpio_dev, 29, GPIO_DIR_OUT);
+
+	gpio_dev = device_get_binding(DT_ALIAS_GPIO_C_LABEL);
+	gpio_pin_configure(gpio_dev, 28, GPIO_DIR_OUT);
+	gpio_pin_configure(gpio_dev, 29, GPIO_DIR_OUT);
+	gpio_pin_configure(gpio_dev, 30, GPIO_DIR_OUT);
+
+	gpio_dev = device_get_binding(DT_ALIAS_GPIO_D_LABEL);
+	gpio_pin_configure(gpio_dev, 0, GPIO_DIR_OUT);
+	gpio_pin_configure(gpio_dev, 1, GPIO_DIR_OUT);
+	gpio_pin_configure(gpio_dev, 2, GPIO_DIR_OUT);
+	gpio_pin_configure(gpio_dev, 3, GPIO_DIR_OUT);
+	gpio_pin_configure(gpio_dev, 4, GPIO_DIR_OUT);
+	gpio_pin_configure(gpio_dev, 5, GPIO_DIR_OUT);
+#endif
+
 	return 0;
 }
 

diff --git a/subsys/bluetooth/controller/Kconfig b/subsys/bluetooth/controller/Kconfig
@@ -801,7 +801,7 @@ config BT_CTLR_PROFILE_ISR
 
 config BT_CTLR_DEBUG_PINS
 	bool "Bluetooth Controller Debug Pins"
-	depends on BOARD_NRF51_PCA10028 || BOARD_NRF52_PCA10040 || BOARD_NRF52810_PCA10040 || BOARD_NRF52840_PCA10056
+	depends on BOARD_NRF51_PCA10028 || BOARD_NRF52_PCA10040 || BOARD_NRF52810_PCA10040 || BOARD_NRF52840_PCA10056 || BOARD_RV32M1_VEGA
 	help
 	  Turn on debug GPIO toggling for the BLE Controller. This is useful
 	  when debugging with a logic analyzer or profiling certain sections of