Enable 8 Cadence GPIO controllers into Axiado AX3000 SoC
Signed-off-by: Kuan-Jui Chiu <[email protected]>
Reviewed-by: Peter Maydell <[email protected]>
Reviewed-by: Philippe Mathieu-Daudé <[email protected]>
---
hw/arm/Kconfig | 1 +
hw/arm/ax3000-soc.c | 30 ++++++++++++++++++++++++++++++
include/hw/arm/ax3000-soc.h | 21 +++++++++++++++++++++
3 files changed, 52 insertions(+)
diff --git a/hw/arm/Kconfig b/hw/arm/Kconfig
index 6ca172d750..b78f362931 100644
--- a/hw/arm/Kconfig
+++ b/hw/arm/Kconfig
@@ -730,6 +730,7 @@ config AXIADO_SOC
select ARM_GIC
select CADENCE # UART
select AXIADO_CLK
+ select CADENCE_GPIO
select AXIADO_SDHCI
select UNIMP
diff --git a/hw/arm/ax3000-soc.c b/hw/arm/ax3000-soc.c
index 23903b081b..71e31c6fb4 100644
--- a/hw/arm/ax3000-soc.c
+++ b/hw/arm/ax3000-soc.c
@@ -36,6 +36,11 @@ static void ax3000_init(Object *obj)
object_initialize_child(obj, "clk", &s->ax3000_clk, TYPE_AX3000_CLK);
object_initialize_child(obj, "sdhci0", &s->sdhci0, TYPE_AXIADO_SDHCI);
+
+ for (int i = 0; i < AX3000_NUM_GPIOS; i++) {
+ g_autofree char *name = g_strdup_printf("gpio%d", i);
+ object_initialize_child(obj, name, &s->gpio[i], TYPE_CADENCE_GPIO);
+ }
}
static void ax3000_realize(DeviceState *dev, Error **errp)
@@ -187,6 +192,31 @@ static void ax3000_realize(DeviceState *dev, Error **errp)
&error_fatal);
qdev_realize_and_unref(card, s->sdhci0.sd_bus, &error_fatal);
}
+
+ /* GPIOs */
+ const struct {
+ hwaddr addr;
+ unsigned int irq;
+ } gpio_table[] = {
+ { AX3000_GPIO0_BASE, AX3000_GPIO0_IRQ },
+ { AX3000_GPIO1_BASE, AX3000_GPIO1_IRQ },
+ { AX3000_GPIO2_BASE, AX3000_GPIO2_IRQ },
+ { AX3000_GPIO3_BASE, AX3000_GPIO3_IRQ },
+ { AX3000_GPIO4_BASE, AX3000_GPIO4_IRQ },
+ { AX3000_GPIO5_BASE, AX3000_GPIO5_IRQ },
+ { AX3000_GPIO6_BASE, AX3000_GPIO6_IRQ },
+ { AX3000_GPIO7_BASE, AX3000_GPIO7_IRQ }
+ };
+
+ for (int i = 0; i < AX3000_NUM_GPIOS; i++) {
+ if (!sysbus_realize(SYS_BUS_DEVICE(&s->gpio[i]), errp)) {
+ return;
+ }
+
+ sysbus_mmio_map(SYS_BUS_DEVICE(&s->gpio[i]), 0, gpio_table[i].addr);
+ sysbus_connect_irq(SYS_BUS_DEVICE(&s->gpio[i]), 0,
+ qdev_get_gpio_in(gic_dev, gpio_table[i].irq));
+ }
}
static void ax3000_class_init(ObjectClass *oc, const void *data)
diff --git a/include/hw/arm/ax3000-soc.h b/include/hw/arm/ax3000-soc.h
index 52b47aa829..344fcb6f3c 100644
--- a/include/hw/arm/ax3000-soc.h
+++ b/include/hw/arm/ax3000-soc.h
@@ -13,6 +13,7 @@
#include "hw/intc/arm_gicv3_common.h"
#include "hw/char/cadence_uart.h"
#include "hw/misc/axiado_clk.h"
+#include "hw/gpio/cadence_gpio.h"
#include "hw/sd/axiado_sdhci.h"
#include "hw/core/sysbus.h"
#include "qemu/units.h"
@@ -38,6 +39,15 @@ OBJECT_DECLARE_TYPE(Ax3000SoCState, Ax3000SoCClass,
AX3000_SOC)
#define AX3000_SDHCI0_BASE 0x86000000
#define AX3000_EMMC_PHY_BASE 0x80801C00
+#define AX3000_GPIO0_BASE 0x80500000
+#define AX3000_GPIO1_BASE 0x80580000
+#define AX3000_GPIO2_BASE 0x80600000
+#define AX3000_GPIO3_BASE 0x80680000
+#define AX3000_GPIO4_BASE 0x80700000
+#define AX3000_GPIO5_BASE 0x80780000
+#define AX3000_GPIO6_BASE 0x80800000
+#define AX3000_GPIO7_BASE 0x80880000
+
#define AX3000_TIMER_CTRL 0x8A020000
#define AX3000_PLL_BASE 0x80000000
@@ -46,6 +56,7 @@ enum Ax3000Configuration {
AX3000_NUM_IRQS = 224,
AX3000_NUM_BANKS = 2,
AX3000_NUM_UARTS = 4,
+ AX3000_NUM_GPIOS = 8,
};
typedef struct Ax3000SoCState {
@@ -56,6 +67,7 @@ typedef struct Ax3000SoCState {
MemoryRegion dram[AX3000_NUM_BANKS];
Ax3000ClkState ax3000_clk;
CadenceUARTState uart[AX3000_NUM_UARTS];
+ CadenceGPIOState gpio[AX3000_NUM_GPIOS];
AxiadoSDHCIState sdhci0;
} Ax3000SoCState;
@@ -72,6 +84,15 @@ enum Ax3000Irqs {
AX3000_UART3_IRQ = 170,
AX3000_SDHCI0_IRQ = 123,
+
+ AX3000_GPIO0_IRQ = 183,
+ AX3000_GPIO1_IRQ = 184,
+ AX3000_GPIO2_IRQ = 185,
+ AX3000_GPIO3_IRQ = 186,
+ AX3000_GPIO4_IRQ = 187,
+ AX3000_GPIO5_IRQ = 188,
+ AX3000_GPIO6_IRQ = 189,
+ AX3000_GPIO7_IRQ = 190,
};
#endif /* AXIADO_AX3000_H */
--
2.34.1
