first commit for chrg

2025-08-16 22:58:22 +08:00
commit 52a3ed5862
2306 changed files with 1021208 additions and 0 deletions
@@ -0,0 +1,66 @@
+/*
+ * Copyright (c) 2006-2022, RT-Thread Development Team
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * Change Logs:
+ * Date           Author       Notes
+ * 2022-10-24     GuEe-GUI     first version
+ */
+
+#include <rtthread.h>
+
+#include "../ecam.h"
+
+static const struct pci_ecam_ops gen_pci_cfg_cam_bus_ops =
+{
+    .bus_shift = 16,
+    .pci_ops =
+    {
+        .map = pci_ecam_map,
+        .read = rt_pci_bus_read_config_uxx,
+        .write = rt_pci_bus_write_config_uxx,
+    }
+};
+
+static void *pci_dw_ecam_map_bus(struct rt_pci_bus *bus, rt_uint32_t devfn, int where)
+{
+    struct pci_ecam_config_window *conf_win = bus->sysdata;
+
+    if (bus->number == conf_win->bus_range[0] && RT_PCI_SLOT(devfn) > 0)
+    {
+        return RT_NULL;
+    }
+
+    return pci_ecam_map(bus, devfn, where);
+}
+
+static const struct pci_ecam_ops pci_dw_ecam_bus_ops =
+{
+    .pci_ops =
+    {
+        .map = pci_dw_ecam_map_bus,
+        .read = rt_pci_bus_read_config_uxx,
+        .write = rt_pci_bus_write_config_uxx,
+    }
+};
+
+static const struct rt_ofw_node_id gen_pci_ofw_ids[] =
+{
+    { .compatible = "pci-host-cam-generic", .data = &gen_pci_cfg_cam_bus_ops },
+    { .compatible = "pci-host-ecam-generic", .data = &pci_generic_ecam_ops },
+    { .compatible = "marvell,armada8k-pcie-ecam", .data = &pci_dw_ecam_bus_ops },
+    { .compatible = "socionext,synquacer-pcie-ecam", .data = &pci_dw_ecam_bus_ops },
+    { .compatible = "snps,dw-pcie-ecam", .data = &pci_dw_ecam_bus_ops },
+    { /* sentinel */ }
+};
+
+static struct rt_platform_driver gen_pci_driver =
+{
+    .name = "pci-host-generic",
+    .ids = gen_pci_ofw_ids,
+
+    .probe = pci_host_common_probe,
+    .remove = pci_host_common_remove,
+};
+RT_PLATFORM_DRIVER_EXPORT(gen_pci_driver);