From 3d107d36f99c6eec8c8b3cb6bc387b0fcc69d7d9 Mon Sep 17 00:00:00 2001 From: Hao Wu Date: Wed, 19 Feb 2025 10:46:05 -0800 Subject: hw/net: Add NPCM8XX PCS Module The PCS exists in NPCM8XX's GMAC1 and is used to control the SGMII PHY. This implementation contains all the default registers and the soft reset feature that are required to load the Linux kernel driver. Further features have not been implemented yet. Signed-off-by: Hao Wu Reviewed-by: Peter Maydell Message-id: 20250219184609.1839281-15-wuhaotsh@google.com Signed-off-by: Peter Maydell --- include/hw/net/npcm_pcs.h | 42 ++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 42 insertions(+) create mode 100644 include/hw/net/npcm_pcs.h (limited to 'include/hw/net/npcm_pcs.h') diff --git a/include/hw/net/npcm_pcs.h b/include/hw/net/npcm_pcs.h new file mode 100644 index 0000000..d5c481a --- /dev/null +++ b/include/hw/net/npcm_pcs.h @@ -0,0 +1,42 @@ +/* + * Nuvoton NPCM8xx PCS Module + * + * Copyright 2022 Google LLC + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * for more details. + */ + +#ifndef NPCM_PCS_H +#define NPCM_PCS_H + +#include "hw/sysbus.h" + +#define NPCM_PCS_NR_SR_CTLS (0x12 / sizeof(uint16_t)) +#define NPCM_PCS_NR_SR_MIIS (0x20 / sizeof(uint16_t)) +#define NPCM_PCS_NR_SR_TIMS (0x22 / sizeof(uint16_t)) +#define NPCM_PCS_NR_VR_MIIS (0x1c6 / sizeof(uint16_t)) + +struct NPCMPCSState { + SysBusDevice parent; + + MemoryRegion iomem; + + uint16_t indirect_access_base; + uint16_t sr_ctl[NPCM_PCS_NR_SR_CTLS]; + uint16_t sr_mii[NPCM_PCS_NR_SR_MIIS]; + uint16_t sr_tim[NPCM_PCS_NR_SR_TIMS]; + uint16_t vr_mii[NPCM_PCS_NR_VR_MIIS]; +}; + +#define TYPE_NPCM_PCS "npcm-pcs" +OBJECT_DECLARE_SIMPLE_TYPE(NPCMPCSState, NPCM_PCS) + +#endif /* NPCM_PCS_H */ -- cgit v1.1