1 files changed, 84 insertions, 0 deletions
diff --git a/hw/cec.c b/hw/cec.c
new file mode 100644
index 00000000..d8d1354a
--- /dev/null
+++ b/hw/cec.c
@@ -0,0 +1,84 @@
+/* Copyright 2013-2014 IBM Corp.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * 	http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
+ * implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <skiboot.h>
+#include <cec.h>
+#include <p7ioc.h>
+#include <p5ioc2.h>
+#include <interrupts.h>
+
+/*
+ * Note: This file os only used on P7/P7+
+ */
+#define MAX_IO_HUBS	0x80
+
+static struct io_hub *cec_iohubs[MAX_IO_HUBS];
+
+struct io_hub *cec_get_hub_by_id(uint32_t hub_id)
+{
+	if (hub_id >= MAX_IO_HUBS)
+		return NULL;
+	return cec_iohubs[hub_id];
+}
+
+void cec_register(struct io_hub *hub)
+{
+	cec_iohubs[hub->hub_id] = hub;
+}
+
+void cec_reset(void)
+{
+	unsigned int i;
+
+	/* Reset IO Hubs */
+	for (i = 0; i < MAX_IO_HUBS; i++) {
+		if (!cec_iohubs[i] || !cec_iohubs[i]->ops->reset)
+			continue;
+		cec_iohubs[i]->ops->reset(cec_iohubs[i]);
+	}
+}
+
+static int64_t opal_pci_set_hub_tce_memory(uint64_t hub_id,
+					   uint64_t tce_mem_addr,
+					   uint64_t tce_mem_size)
+{
+	struct io_hub *hub = cec_get_hub_by_id(hub_id);
+
+	if (!hub)
+		return OPAL_PARAMETER;
+
+	if (!hub->ops->set_tce_mem)
+		return OPAL_UNSUPPORTED;
+
+	return hub->ops->set_tce_mem(hub, tce_mem_addr, tce_mem_size);
+}
+opal_call(OPAL_PCI_SET_HUB_TCE_MEMORY, opal_pci_set_hub_tce_memory, 3);
+
+static int64_t opal_pci_get_hub_diag_data(uint64_t hub_id,
+					  void *diag_buffer,
+					  uint64_t diag_buffer_len)
+{
+	struct io_hub *hub = cec_get_hub_by_id(hub_id);
+
+	if (!hub)
+		return OPAL_PARAMETER;
+
+	if (!hub->ops->get_diag_data)
+		return OPAL_UNSUPPORTED;
+
+	return hub->ops->get_diag_data(hub, diag_buffer, diag_buffer_len);
+}
+opal_call(OPAL_PCI_GET_HUB_DIAG_DATA, opal_pci_get_hub_diag_data, 3);