添加rtthread相关代码

2025-06-13 14:38:32 +08:00
parent caf2d9f0c5
commit 160f9f8201
1809 changed files with 648100 additions and 10 deletions
--- a/riscv/rtthread/components/drivers/pic/pic-gic-common.h
+++ b/riscv/rtthread/components/drivers/pic/pic-gic-common.h
@@ -0,0 +1,57 @@
+/*
+ * Copyright (c) 2006-2023, RT-Thread Development Team
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * Change Logs:
+ * Date           Author       Notes
+ * 2023-01-30     GuEe-GUI     first version
+ */
+
+#ifndef __IRQ_GIC_COMMON_H__
+#define __IRQ_GIC_COMMON_H__
+
+#include <rtdef.h>
+
+#ifdef RT_PCI_MSI
+#include <drivers/pci_msi.h>
+#endif
+#include <drivers/ofw.h>
+
+#define GIC_SGI_NR  16
+
+#define GICD_INT_DEF_PRI        0xa0
+#define GICD_INT_DEF_PRI_X4     \
+(                               \
+    (GICD_INT_DEF_PRI << 24) |  \
+    (GICD_INT_DEF_PRI << 16) |  \
+    (GICD_INT_DEF_PRI << 8) |   \
+    GICD_INT_DEF_PRI            \
+)
+
+struct gic_quirk
+{
+    const char *desc;
+    const char *compatible;
+    rt_err_t (*init)(void *data);
+
+    rt_uint32_t iidr;
+    rt_uint32_t iidr_mask;
+};
+
+void gic_common_init_quirk_ofw(const struct rt_ofw_node *ic_np, const struct gic_quirk *quirks, void *data);
+void gic_common_init_quirk_hw(rt_uint32_t iidr, const struct gic_quirk *quirks, void *data);
+
+void gic_common_sgi_config(void *base, void *data, int irq_base);
+rt_err_t gic_common_configure_irq(void *base, int irq, rt_uint32_t mode, void (*sync_access)(void *), void *data);
+void gic_common_dist_config(void *base, int max_irqs, void (*sync_access)(void *), void *data);
+void gic_common_cpu_config(void *base, int nr, void (*sync_access)(void *), void *data);
+
+#ifdef RT_PIC_ARM_GIC_V2M
+rt_err_t gicv2m_ofw_probe(struct rt_ofw_node *ic_np, const struct rt_ofw_node_id *id);
+#endif
+#ifdef RT_PIC_ARM_GIC_V3_ITS
+rt_err_t gicv3_its_ofw_probe(struct rt_ofw_node *ic_np, const struct rt_ofw_node_id *id);
+#endif
+
+#endif /* __IRQ_GIC_COMMON_H__ */