[][Add NETSYS reset flow for Panther/Cheetah]
[Description]
Add NETSYS reset flow for Panther/Cheetah.
This patch includes below changes:
- FE warm reset
- FE cold reset
- HNAT warm reset
- FE/HNAT/JEDI/WARP reset notifier
- FE error interrupt ISR
- QDMA/WDMA/ADMA hang detector
[Usage]
- Command:
cat /proc/mtketh/reset_event
- Description:
Dump counters for all the reset reasons(TSO/RFIFO/FORCE...)
[Release-log]
N/A
Change-Id: I2b4d52ae3644ee4d7117f118422fffd1c29ec0a7
Reviewed-on: https://gerrit.mediatek.inc/c/openwrt/feeds/mtk_openwrt_feeds/+/5829085
diff --git a/target/linux/mediatek/files-5.4/drivers/net/ethernet/mediatek/mtk_eth_reset.h b/target/linux/mediatek/files-5.4/drivers/net/ethernet/mediatek/mtk_eth_reset.h
new file mode 100644
index 0000000..9abd2f5
--- /dev/null
+++ b/target/linux/mediatek/files-5.4/drivers/net/ethernet/mediatek/mtk_eth_reset.h
@@ -0,0 +1,68 @@
+/* SPDX-License-Identifier: GPL-2.0
+ *
+ * Copyright (c) 2022 MediaTek Inc.
+ * Author: Henry Yen <henry.yen@mediatek.com>
+ */
+
+#ifndef MTK_ETH_RESET_H
+#define MTK_ETH_RESET_H
+
+/* Frame Engine Reset FSM */
+#define MTK_FE_START_RESET 0x2000
+#define MTK_FE_RESET_DONE 0x2001
+#define MTK_WIFI_RESET_DONE 0x2002
+#define MTK_NAT_DISABLE 0x3000
+#define MTK_FE_RESET_NAT_DONE 0x4001
+
+/* ADMA Rx Debug Monitor */
+#define MTK_ADMA_RX_DBG0 (PDMA_BASE + 0x238)
+#define MTK_ADMA_RX_DBG1 (PDMA_BASE + 0x23C)
+
+/* PPE Configurations */
+#define MTK_PPE_GLO_CFG(x) (PPE_BASE(x) + 0x00)
+#define MTK_PPE_TB_CFG(x) (PPE_BASE(x) + 0x1C)
+#define MTK_PPE_BIND_LMT_1(x) (PPE_BASE(x) + 0x30)
+#define MTK_PPE_KA(x) (PPE_BASE(x) + 0x34)
+#define MTK_PPE_KA_CFG_MASK (0x3 << 12)
+#define MTK_PPE_NTU_KA_MASK (0xFF << 16)
+#define MTK_PPE_KA_T_MASK (0xFFFF << 0)
+#define MTK_PPE_TCP_KA_MASK (0xFF << 16)
+#define MTK_PPE_UDP_KA_MASK (0xFF << 24)
+#define MTK_PPE_TICK_SEL_MASK (0x1 << 24)
+#define MTK_PPE_SCAN_MODE_MASK (0x3 << 16)
+#define MTK_PPE_BUSY BIT(31)
+
+enum mtk_reset_type {
+ MTK_TYPE_COLD_RESET = 0,
+ MTK_TYPE_WARM_RESET,
+};
+
+enum mtk_reset_event_id {
+ MTK_EVENT_FORCE = 0,
+ MTK_EVENT_WARM_CNT = 1,
+ MTK_EVENT_COLD_CNT = 2,
+ MTK_EVENT_TOTAL_CNT = 3,
+ MTK_EVENT_FQ_EMPTY = 8,
+ MTK_EVENT_TSO_FAIL = 12,
+ MTK_EVENT_TSO_ILLEGAL = 13,
+ MTK_EVENT_TSO_ALIGN = 14,
+ MTK_EVENT_RFIFO_OV = 18,
+ MTK_EVENT_RFIFO_UF = 19,
+};
+
+extern struct notifier_block mtk_eth_netdevice_nb __read_mostly;
+extern struct completion wait_ser_done;
+extern char* mtk_reset_event_name[32];
+extern atomic_t reset_lock;
+
+irqreturn_t mtk_handle_fe_irq(int irq, void *_eth);
+u32 mtk_check_reset_event(struct mtk_eth *eth, u32 status);
+int mtk_eth_cold_reset(struct mtk_eth *eth);
+int mtk_eth_warm_reset(struct mtk_eth *eth);
+void mtk_reset_event_update(struct mtk_eth *eth, u32 id);
+void mtk_dump_netsys_info(void *_eth);
+void mtk_dma_monitor(struct timer_list *t);
+void mtk_prepare_reset_fe(struct mtk_eth *eth);
+void mtk_prepare_reset_ppe(struct mtk_eth *eth, u32 ppe_id);
+
+#endif /* MTK_ETH_RESET_H */