cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
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mmio.c (23276B)


      1// SPDX-License-Identifier: ISC
      2/* Copyright (C) 2020 MediaTek Inc. */
      3
      4#include <linux/kernel.h>
      5#include <linux/module.h>
      6#include <linux/platform_device.h>
      7#include <linux/pci.h>
      8
      9#include "mt7915.h"
     10#include "mac.h"
     11#include "../trace.h"
     12
     13static const u32 mt7915_reg[] = {
     14	[INT_SOURCE_CSR]	= 0xd7010,
     15	[INT_MASK_CSR]		= 0xd7014,
     16	[INT1_SOURCE_CSR]	= 0xd7088,
     17	[INT1_MASK_CSR]		= 0xd708c,
     18	[INT_MCU_CMD_SOURCE]	= 0xd51f0,
     19	[INT_MCU_CMD_EVENT]	= 0x3108,
     20	[WFDMA0_ADDR]		= 0xd4000,
     21	[WFDMA0_PCIE1_ADDR]	= 0xd8000,
     22	[WFDMA_EXT_CSR_ADDR]	= 0xd7000,
     23	[CBTOP1_PHY_END]	= 0x77ffffff,
     24	[INFRA_MCU_ADDR_END]	= 0x7c3fffff,
     25	[FW_EXCEPTION_ADDR]	= 0x219848,
     26	[SWDEF_BASE_ADDR]	= 0x41f200,
     27};
     28
     29static const u32 mt7916_reg[] = {
     30	[INT_SOURCE_CSR]	= 0xd4200,
     31	[INT_MASK_CSR]		= 0xd4204,
     32	[INT1_SOURCE_CSR]	= 0xd8200,
     33	[INT1_MASK_CSR]		= 0xd8204,
     34	[INT_MCU_CMD_SOURCE]	= 0xd41f0,
     35	[INT_MCU_CMD_EVENT]	= 0x2108,
     36	[WFDMA0_ADDR]		= 0xd4000,
     37	[WFDMA0_PCIE1_ADDR]	= 0xd8000,
     38	[WFDMA_EXT_CSR_ADDR]	= 0xd7000,
     39	[CBTOP1_PHY_END]	= 0x7fffffff,
     40	[INFRA_MCU_ADDR_END]	= 0x7c085fff,
     41	[FW_EXCEPTION_ADDR]	= 0x022050bc,
     42	[SWDEF_BASE_ADDR]	= 0x411400,
     43};
     44
     45static const u32 mt7986_reg[] = {
     46	[INT_SOURCE_CSR]	= 0x24200,
     47	[INT_MASK_CSR]		= 0x24204,
     48	[INT1_SOURCE_CSR]	= 0x28200,
     49	[INT1_MASK_CSR]		= 0x28204,
     50	[INT_MCU_CMD_SOURCE]	= 0x241f0,
     51	[INT_MCU_CMD_EVENT]	= 0x54000108,
     52	[WFDMA0_ADDR]		= 0x24000,
     53	[WFDMA0_PCIE1_ADDR]	= 0x28000,
     54	[WFDMA_EXT_CSR_ADDR]	= 0x27000,
     55	[CBTOP1_PHY_END]	= 0x7fffffff,
     56	[INFRA_MCU_ADDR_END]	= 0x7c085fff,
     57	[FW_EXCEPTION_ADDR]	= 0x02204ffc,
     58	[SWDEF_BASE_ADDR]	= 0x411400,
     59};
     60
     61static const u32 mt7915_offs[] = {
     62	[TMAC_CDTR]		= 0x090,
     63	[TMAC_ODTR]		= 0x094,
     64	[TMAC_ATCR]		= 0x098,
     65	[TMAC_TRCR0]		= 0x09c,
     66	[TMAC_ICR0]		= 0x0a4,
     67	[TMAC_ICR1]		= 0x0b4,
     68	[TMAC_CTCR0]		= 0x0f4,
     69	[TMAC_TFCR0]		= 0x1e0,
     70	[MDP_BNRCFR0]		= 0x070,
     71	[MDP_BNRCFR1]		= 0x074,
     72	[ARB_DRNGR0]		= 0x194,
     73	[ARB_SCR]		= 0x080,
     74	[RMAC_MIB_AIRTIME14]	= 0x3b8,
     75	[AGG_AWSCR0]		= 0x05c,
     76	[AGG_PCR0]		= 0x06c,
     77	[AGG_ACR0]		= 0x084,
     78	[AGG_MRCR]		= 0x098,
     79	[AGG_ATCR1]		= 0x0f0,
     80	[AGG_ATCR3]		= 0x0f4,
     81	[LPON_UTTR0]		= 0x080,
     82	[LPON_UTTR1]		= 0x084,
     83	[LPON_FRCR]		= 0x314,
     84	[MIB_SDR3]		= 0x014,
     85	[MIB_SDR4]		= 0x018,
     86	[MIB_SDR5]		= 0x01c,
     87	[MIB_SDR7]		= 0x024,
     88	[MIB_SDR8]		= 0x028,
     89	[MIB_SDR9]		= 0x02c,
     90	[MIB_SDR10]		= 0x030,
     91	[MIB_SDR11]		= 0x034,
     92	[MIB_SDR12]		= 0x038,
     93	[MIB_SDR13]		= 0x03c,
     94	[MIB_SDR14]		= 0x040,
     95	[MIB_SDR15]		= 0x044,
     96	[MIB_SDR16]		= 0x048,
     97	[MIB_SDR17]		= 0x04c,
     98	[MIB_SDR18]		= 0x050,
     99	[MIB_SDR19]		= 0x054,
    100	[MIB_SDR20]		= 0x058,
    101	[MIB_SDR21]		= 0x05c,
    102	[MIB_SDR22]		= 0x060,
    103	[MIB_SDR23]		= 0x064,
    104	[MIB_SDR24]		= 0x068,
    105	[MIB_SDR25]		= 0x06c,
    106	[MIB_SDR27]		= 0x074,
    107	[MIB_SDR28]		= 0x078,
    108	[MIB_SDR29]		= 0x07c,
    109	[MIB_SDRVEC]		= 0x080,
    110	[MIB_SDR31]		= 0x084,
    111	[MIB_SDR32]		= 0x088,
    112	[MIB_SDRMUBF]		= 0x090,
    113	[MIB_DR8]		= 0x0c0,
    114	[MIB_DR9]		= 0x0c4,
    115	[MIB_DR11]		= 0x0cc,
    116	[MIB_MB_SDR0]		= 0x100,
    117	[MIB_MB_SDR1]		= 0x104,
    118	[TX_AGG_CNT]		= 0x0a8,
    119	[TX_AGG_CNT2]		= 0x164,
    120	[MIB_ARNG]		= 0x4b8,
    121	[WTBLON_TOP_WDUCR]	= 0x0,
    122	[WTBL_UPDATE]		= 0x030,
    123	[PLE_FL_Q_EMPTY]	= 0x0b0,
    124	[PLE_FL_Q_CTRL]		= 0x1b0,
    125	[PLE_AC_QEMPTY]		= 0x500,
    126	[PLE_FREEPG_CNT]	= 0x100,
    127	[PLE_FREEPG_HEAD_TAIL]	= 0x104,
    128	[PLE_PG_HIF_GROUP]	= 0x110,
    129	[PLE_HIF_PG_INFO]	= 0x114,
    130	[AC_OFFSET]		= 0x040,
    131	[ETBF_PAR_RPT0]		= 0x068,
    132};
    133
    134static const u32 mt7916_offs[] = {
    135	[TMAC_CDTR]		= 0x0c8,
    136	[TMAC_ODTR]		= 0x0cc,
    137	[TMAC_ATCR]		= 0x00c,
    138	[TMAC_TRCR0]		= 0x010,
    139	[TMAC_ICR0]		= 0x014,
    140	[TMAC_ICR1]		= 0x018,
    141	[TMAC_CTCR0]		= 0x114,
    142	[TMAC_TFCR0]		= 0x0e4,
    143	[MDP_BNRCFR0]		= 0x090,
    144	[MDP_BNRCFR1]		= 0x094,
    145	[ARB_DRNGR0]		= 0x1e0,
    146	[ARB_SCR]		= 0x000,
    147	[RMAC_MIB_AIRTIME14]	= 0x0398,
    148	[AGG_AWSCR0]		= 0x030,
    149	[AGG_PCR0]		= 0x040,
    150	[AGG_ACR0]		= 0x054,
    151	[AGG_MRCR]		= 0x068,
    152	[AGG_ATCR1]		= 0x1a8,
    153	[AGG_ATCR3]		= 0x080,
    154	[LPON_UTTR0]		= 0x360,
    155	[LPON_UTTR1]		= 0x364,
    156	[LPON_FRCR]		= 0x37c,
    157	[MIB_SDR3]		= 0x698,
    158	[MIB_SDR4]		= 0x788,
    159	[MIB_SDR5]		= 0x780,
    160	[MIB_SDR7]		= 0x5a8,
    161	[MIB_SDR8]		= 0x78c,
    162	[MIB_SDR9]		= 0x024,
    163	[MIB_SDR10]		= 0x76c,
    164	[MIB_SDR11]		= 0x790,
    165	[MIB_SDR12]		= 0x558,
    166	[MIB_SDR13]		= 0x560,
    167	[MIB_SDR14]		= 0x564,
    168	[MIB_SDR15]		= 0x568,
    169	[MIB_SDR16]		= 0x7fc,
    170	[MIB_SDR17]		= 0x800,
    171	[MIB_SDR18]		= 0x030,
    172	[MIB_SDR19]		= 0x5ac,
    173	[MIB_SDR20]		= 0x5b0,
    174	[MIB_SDR21]		= 0x5b4,
    175	[MIB_SDR22]		= 0x770,
    176	[MIB_SDR23]		= 0x774,
    177	[MIB_SDR24]		= 0x778,
    178	[MIB_SDR25]		= 0x77c,
    179	[MIB_SDR27]		= 0x080,
    180	[MIB_SDR28]		= 0x084,
    181	[MIB_SDR29]		= 0x650,
    182	[MIB_SDRVEC]		= 0x5a8,
    183	[MIB_SDR31]		= 0x55c,
    184	[MIB_SDR32]		= 0x7a8,
    185	[MIB_SDRMUBF]		= 0x7ac,
    186	[MIB_DR8]		= 0x56c,
    187	[MIB_DR9]		= 0x570,
    188	[MIB_DR11]		= 0x574,
    189	[MIB_MB_SDR0]		= 0x688,
    190	[MIB_MB_SDR1]		= 0x690,
    191	[TX_AGG_CNT]		= 0x7dc,
    192	[TX_AGG_CNT2]		= 0x7ec,
    193	[MIB_ARNG]		= 0x0b0,
    194	[WTBLON_TOP_WDUCR]	= 0x200,
    195	[WTBL_UPDATE]		= 0x230,
    196	[PLE_FL_Q_EMPTY]	= 0x360,
    197	[PLE_FL_Q_CTRL]		= 0x3e0,
    198	[PLE_AC_QEMPTY]		= 0x600,
    199	[PLE_FREEPG_CNT]	= 0x380,
    200	[PLE_FREEPG_HEAD_TAIL]	= 0x384,
    201	[PLE_PG_HIF_GROUP]	= 0x00c,
    202	[PLE_HIF_PG_INFO]	= 0x388,
    203	[AC_OFFSET]		= 0x080,
    204	[ETBF_PAR_RPT0]		= 0x100,
    205};
    206
    207static const struct __map mt7915_reg_map[] = {
    208	{ 0x00400000, 0x80000, 0x10000 }, /* WF_MCU_SYSRAM */
    209	{ 0x00410000, 0x90000, 0x10000 }, /* WF_MCU_SYSRAM (configure regs) */
    210	{ 0x40000000, 0x70000, 0x10000 }, /* WF_UMAC_SYSRAM */
    211	{ 0x54000000, 0x02000, 0x1000 }, /* WFDMA PCIE0 MCU DMA0 */
    212	{ 0x55000000, 0x03000, 0x1000 }, /* WFDMA PCIE0 MCU DMA1 */
    213	{ 0x58000000, 0x06000, 0x1000 }, /* WFDMA PCIE1 MCU DMA0 (MEM_DMA) */
    214	{ 0x59000000, 0x07000, 0x1000 }, /* WFDMA PCIE1 MCU DMA1 */
    215	{ 0x7c000000, 0xf0000, 0x10000 }, /* CONN_INFRA */
    216	{ 0x7c020000, 0xd0000, 0x10000 }, /* CONN_INFRA, WFDMA */
    217	{ 0x80020000, 0xb0000, 0x10000 }, /* WF_TOP_MISC_OFF */
    218	{ 0x81020000, 0xc0000, 0x10000 }, /* WF_TOP_MISC_ON */
    219	{ 0x820c0000, 0x08000, 0x4000 }, /* WF_UMAC_TOP (PLE) */
    220	{ 0x820c8000, 0x0c000, 0x2000 }, /* WF_UMAC_TOP (PSE) */
    221	{ 0x820cc000, 0x0e000, 0x2000 }, /* WF_UMAC_TOP (PP) */
    222	{ 0x820ce000, 0x21c00, 0x0200 }, /* WF_LMAC_TOP (WF_SEC) */
    223	{ 0x820cf000, 0x22000, 0x1000 }, /* WF_LMAC_TOP (WF_PF) */
    224	{ 0x820d0000, 0x30000, 0x10000 }, /* WF_LMAC_TOP (WF_WTBLON) */
    225	{ 0x820e0000, 0x20000, 0x0400 }, /* WF_LMAC_TOP BN0 (WF_CFG) */
    226	{ 0x820e1000, 0x20400, 0x0200 }, /* WF_LMAC_TOP BN0 (WF_TRB) */
    227	{ 0x820e2000, 0x20800, 0x0400 }, /* WF_LMAC_TOP BN0 (WF_AGG) */
    228	{ 0x820e3000, 0x20c00, 0x0400 }, /* WF_LMAC_TOP BN0 (WF_ARB) */
    229	{ 0x820e4000, 0x21000, 0x0400 }, /* WF_LMAC_TOP BN0 (WF_TMAC) */
    230	{ 0x820e5000, 0x21400, 0x0800 }, /* WF_LMAC_TOP BN0 (WF_RMAC) */
    231	{ 0x820e7000, 0x21e00, 0x0200 }, /* WF_LMAC_TOP BN0 (WF_DMA) */
    232	{ 0x820e9000, 0x23400, 0x0200 }, /* WF_LMAC_TOP BN0 (WF_WTBLOFF) */
    233	{ 0x820ea000, 0x24000, 0x0200 }, /* WF_LMAC_TOP BN0 (WF_ETBF) */
    234	{ 0x820eb000, 0x24200, 0x0400 }, /* WF_LMAC_TOP BN0 (WF_LPON) */
    235	{ 0x820ec000, 0x24600, 0x0200 }, /* WF_LMAC_TOP BN0 (WF_INT) */
    236	{ 0x820ed000, 0x24800, 0x0800 }, /* WF_LMAC_TOP BN0 (WF_MIB) */
    237	{ 0x820f0000, 0xa0000, 0x0400 }, /* WF_LMAC_TOP BN1 (WF_CFG) */
    238	{ 0x820f1000, 0xa0600, 0x0200 }, /* WF_LMAC_TOP BN1 (WF_TRB) */
    239	{ 0x820f2000, 0xa0800, 0x0400 }, /* WF_LMAC_TOP BN1 (WF_AGG) */
    240	{ 0x820f3000, 0xa0c00, 0x0400 }, /* WF_LMAC_TOP BN1 (WF_ARB) */
    241	{ 0x820f4000, 0xa1000, 0x0400 }, /* WF_LMAC_TOP BN1 (WF_TMAC) */
    242	{ 0x820f5000, 0xa1400, 0x0800 }, /* WF_LMAC_TOP BN1 (WF_RMAC) */
    243	{ 0x820f7000, 0xa1e00, 0x0200 }, /* WF_LMAC_TOP BN1 (WF_DMA) */
    244	{ 0x820f9000, 0xa3400, 0x0200 }, /* WF_LMAC_TOP BN1 (WF_WTBLOFF) */
    245	{ 0x820fa000, 0xa4000, 0x0200 }, /* WF_LMAC_TOP BN1 (WF_ETBF) */
    246	{ 0x820fb000, 0xa4200, 0x0400 }, /* WF_LMAC_TOP BN1 (WF_LPON) */
    247	{ 0x820fc000, 0xa4600, 0x0200 }, /* WF_LMAC_TOP BN1 (WF_INT) */
    248	{ 0x820fd000, 0xa4800, 0x0800 }, /* WF_LMAC_TOP BN1 (WF_MIB) */
    249	{ 0x0, 0x0, 0x0 }, /* imply end of search */
    250};
    251
    252static const struct __map mt7916_reg_map[] = {
    253	{ 0x54000000, 0x02000, 0x1000 }, /* WFDMA_0 (PCIE0 MCU DMA0) */
    254	{ 0x55000000, 0x03000, 0x1000 }, /* WFDMA_1 (PCIE0 MCU DMA1) */
    255	{ 0x56000000, 0x04000, 0x1000 }, /* WFDMA_2 (Reserved) */
    256	{ 0x57000000, 0x05000, 0x1000 }, /* WFDMA_3 (MCU wrap CR) */
    257	{ 0x58000000, 0x06000, 0x1000 }, /* WFDMA_4 (PCIE1 MCU DMA0) */
    258	{ 0x59000000, 0x07000, 0x1000 }, /* WFDMA_5 (PCIE1 MCU DMA1) */
    259	{ 0x820c0000, 0x08000, 0x4000 }, /* WF_UMAC_TOP (PLE) */
    260	{ 0x820c8000, 0x0c000, 0x2000 }, /* WF_UMAC_TOP (PSE) */
    261	{ 0x820cc000, 0x0e000, 0x2000 }, /* WF_UMAC_TOP (PP) */
    262	{ 0x820e0000, 0x20000, 0x0400 }, /* WF_LMAC_TOP BN0 (WF_CFG) */
    263	{ 0x820e1000, 0x20400, 0x0200 }, /* WF_LMAC_TOP BN0 (WF_TRB) */
    264	{ 0x820e2000, 0x20800, 0x0400 }, /* WF_LMAC_TOP BN0 (WF_AGG) */
    265	{ 0x820e3000, 0x20c00, 0x0400 }, /* WF_LMAC_TOP BN0 (WF_ARB) */
    266	{ 0x820e4000, 0x21000, 0x0400 }, /* WF_LMAC_TOP BN0 (WF_TMAC) */
    267	{ 0x820e5000, 0x21400, 0x0800 }, /* WF_LMAC_TOP BN0 (WF_RMAC) */
    268	{ 0x820ce000, 0x21c00, 0x0200 }, /* WF_LMAC_TOP (WF_SEC) */
    269	{ 0x820e7000, 0x21e00, 0x0200 }, /* WF_LMAC_TOP BN0 (WF_DMA) */
    270	{ 0x820cf000, 0x22000, 0x1000 }, /* WF_LMAC_TOP (WF_PF) */
    271	{ 0x820e9000, 0x23400, 0x0200 }, /* WF_LMAC_TOP BN0 (WF_WTBLOFF) */
    272	{ 0x820ea000, 0x24000, 0x0200 }, /* WF_LMAC_TOP BN0 (WF_ETBF) */
    273	{ 0x820eb000, 0x24200, 0x0400 }, /* WF_LMAC_TOP BN0 (WF_LPON) */
    274	{ 0x820ec000, 0x24600, 0x0200 }, /* WF_LMAC_TOP BN0 (WF_INT) */
    275	{ 0x820ed000, 0x24800, 0x0800 }, /* WF_LMAC_TOP BN0 (WF_MIB) */
    276	{ 0x820ca000, 0x26000, 0x2000 }, /* WF_LMAC_TOP BN0 (WF_MUCOP) */
    277	{ 0x820d0000, 0x30000, 0x10000}, /* WF_LMAC_TOP (WF_WTBLON) */
    278	{ 0x00400000, 0x80000, 0x10000}, /* WF_MCU_SYSRAM */
    279	{ 0x00410000, 0x90000, 0x10000}, /* WF_MCU_SYSRAM (configure cr) */
    280	{ 0x820f0000, 0xa0000, 0x0400 }, /* WF_LMAC_TOP BN1 (WF_CFG) */
    281	{ 0x820f1000, 0xa0600, 0x0200 }, /* WF_LMAC_TOP BN1 (WF_TRB) */
    282	{ 0x820f2000, 0xa0800, 0x0400 }, /* WF_LMAC_TOP BN1 (WF_AGG) */
    283	{ 0x820f3000, 0xa0c00, 0x0400 }, /* WF_LMAC_TOP BN1 (WF_ARB) */
    284	{ 0x820f4000, 0xa1000, 0x0400 }, /* WF_LMAC_TOP BN1 (WF_TMAC) */
    285	{ 0x820f5000, 0xa1400, 0x0800 }, /* WF_LMAC_TOP BN1 (WF_RMAC) */
    286	{ 0x820f7000, 0xa1e00, 0x0200 }, /* WF_LMAC_TOP BN1 (WF_DMA) */
    287	{ 0x820f9000, 0xa3400, 0x0200 }, /* WF_LMAC_TOP BN1 (WF_WTBLOFF) */
    288	{ 0x820fa000, 0xa4000, 0x0200 }, /* WF_LMAC_TOP BN1 (WF_ETBF) */
    289	{ 0x820fb000, 0xa4200, 0x0400 }, /* WF_LMAC_TOP BN1 (WF_LPON) */
    290	{ 0x820fc000, 0xa4600, 0x0200 }, /* WF_LMAC_TOP BN1 (WF_INT) */
    291	{ 0x820fd000, 0xa4800, 0x0800 }, /* WF_LMAC_TOP BN1 (WF_MIB) */
    292	{ 0x820c4000, 0xa8000, 0x1000 }, /* WF_LMAC_TOP (WF_UWTBL ) */
    293	{ 0x820b0000, 0xae000, 0x1000 }, /* [APB2] WFSYS_ON */
    294	{ 0x80020000, 0xb0000, 0x10000}, /* WF_TOP_MISC_OFF */
    295	{ 0x81020000, 0xc0000, 0x10000}, /* WF_TOP_MISC_ON */
    296	{ 0x0, 0x0, 0x0 }, /* imply end of search */
    297};
    298
    299static const struct __map mt7986_reg_map[] = {
    300	{ 0x54000000, 0x402000, 0x1000 }, /* WFDMA_0 (PCIE0 MCU DMA0) */
    301	{ 0x55000000, 0x403000, 0x1000 }, /* WFDMA_1 (PCIE0 MCU DMA1) */
    302	{ 0x56000000, 0x404000, 0x1000 }, /* WFDMA_2 (Reserved) */
    303	{ 0x57000000, 0x405000, 0x1000 }, /* WFDMA_3 (MCU wrap CR) */
    304	{ 0x58000000, 0x406000, 0x1000 }, /* WFDMA_4 (PCIE1 MCU DMA0) */
    305	{ 0x59000000, 0x407000, 0x1000 }, /* WFDMA_5 (PCIE1 MCU DMA1) */
    306	{ 0x820c0000, 0x408000, 0x4000 }, /* WF_UMAC_TOP (PLE) */
    307	{ 0x820c8000, 0x40c000, 0x2000 }, /* WF_UMAC_TOP (PSE) */
    308	{ 0x820cc000, 0x40e000, 0x2000 }, /* WF_UMAC_TOP (PP) */
    309	{ 0x820e0000, 0x420000, 0x0400 }, /* WF_LMAC_TOP BN0 (WF_CFG) */
    310	{ 0x820e1000, 0x420400, 0x0200 }, /* WF_LMAC_TOP BN0 (WF_TRB) */
    311	{ 0x820e2000, 0x420800, 0x0400 }, /* WF_LMAC_TOP BN0 (WF_AGG) */
    312	{ 0x820e3000, 0x420c00, 0x0400 }, /* WF_LMAC_TOP BN0 (WF_ARB) */
    313	{ 0x820e4000, 0x421000, 0x0400 }, /* WF_LMAC_TOP BN0 (WF_TMAC) */
    314	{ 0x820e5000, 0x421400, 0x0800 }, /* WF_LMAC_TOP BN0 (WF_RMAC) */
    315	{ 0x820ce000, 0x421c00, 0x0200 }, /* WF_LMAC_TOP (WF_SEC) */
    316	{ 0x820e7000, 0x421e00, 0x0200 }, /* WF_LMAC_TOP BN0 (WF_DMA) */
    317	{ 0x820cf000, 0x422000, 0x1000 }, /* WF_LMAC_TOP (WF_PF) */
    318	{ 0x820e9000, 0x423400, 0x0200 }, /* WF_LMAC_TOP BN0 (WF_WTBLOFF) */
    319	{ 0x820ea000, 0x424000, 0x0200 }, /* WF_LMAC_TOP BN0 (WF_ETBF) */
    320	{ 0x820eb000, 0x424200, 0x0400 }, /* WF_LMAC_TOP BN0 (WF_LPON) */
    321	{ 0x820ec000, 0x424600, 0x0200 }, /* WF_LMAC_TOP BN0 (WF_INT) */
    322	{ 0x820ed000, 0x424800, 0x0800 }, /* WF_LMAC_TOP BN0 (WF_MIB) */
    323	{ 0x820ca000, 0x426000, 0x2000 }, /* WF_LMAC_TOP BN0 (WF_MUCOP) */
    324	{ 0x820d0000, 0x430000, 0x10000}, /* WF_LMAC_TOP (WF_WTBLON) */
    325	{ 0x00400000, 0x480000, 0x10000}, /* WF_MCU_SYSRAM */
    326	{ 0x00410000, 0x490000, 0x10000}, /* WF_MCU_SYSRAM */
    327	{ 0x820f0000, 0x4a0000, 0x0400 }, /* WF_LMAC_TOP BN1 (WF_CFG) */
    328	{ 0x820f1000, 0x4a0600, 0x0200 }, /* WF_LMAC_TOP BN1 (WF_TRB) */
    329	{ 0x820f2000, 0x4a0800, 0x0400 }, /* WF_LMAC_TOP BN1 (WF_AGG) */
    330	{ 0x820f3000, 0x4a0c00, 0x0400 }, /* WF_LMAC_TOP BN1 (WF_ARB) */
    331	{ 0x820f4000, 0x4a1000, 0x0400 }, /* WF_LMAC_TOP BN1 (WF_TMAC) */
    332	{ 0x820f5000, 0x4a1400, 0x0800 }, /* WF_LMAC_TOP BN1 (WF_RMAC) */
    333	{ 0x820f7000, 0x4a1e00, 0x0200 }, /* WF_LMAC_TOP BN1 (WF_DMA) */
    334	{ 0x820f9000, 0x4a3400, 0x0200 }, /* WF_LMAC_TOP BN1 (WF_WTBLOFF) */
    335	{ 0x820fa000, 0x4a4000, 0x0200 }, /* WF_LMAC_TOP BN1 (WF_ETBF) */
    336	{ 0x820fb000, 0x4a4200, 0x0400 }, /* WF_LMAC_TOP BN1 (WF_LPON) */
    337	{ 0x820fc000, 0x4a4600, 0x0200 }, /* WF_LMAC_TOP BN1 (WF_INT) */
    338	{ 0x820fd000, 0x4a4800, 0x0800 }, /* WF_LMAC_TOP BN1 (WF_MIB) */
    339	{ 0x820c4000, 0x4a8000, 0x1000 }, /* WF_LMAC_TOP (WF_UWTBL ) */
    340	{ 0x820b0000, 0x4ae000, 0x1000 }, /* [APB2] WFSYS_ON */
    341	{ 0x80020000, 0x4b0000, 0x10000}, /* WF_TOP_MISC_OFF */
    342	{ 0x81020000, 0x4c0000, 0x10000}, /* WF_TOP_MISC_ON */
    343	{ 0x89000000, 0x4d0000, 0x1000 }, /* WF_MCU_CFG_ON */
    344	{ 0x89010000, 0x4d1000, 0x1000 }, /* WF_MCU_CIRQ */
    345	{ 0x89020000, 0x4d2000, 0x1000 }, /* WF_MCU_GPT */
    346	{ 0x89030000, 0x4d3000, 0x1000 }, /* WF_MCU_WDT */
    347	{ 0x80010000, 0x4d4000, 0x1000 }, /* WF_AXIDMA */
    348	{ 0x0, 0x0, 0x0 }, /* imply end of search */
    349};
    350
    351static u32 mt7915_reg_map_l1(struct mt7915_dev *dev, u32 addr)
    352{
    353	u32 offset = FIELD_GET(MT_HIF_REMAP_L1_OFFSET, addr);
    354	u32 base = FIELD_GET(MT_HIF_REMAP_L1_BASE, addr);
    355	u32 l1_remap;
    356
    357	if (is_mt7986(&dev->mt76))
    358		return MT_CONN_INFRA_OFFSET(addr);
    359
    360	l1_remap = is_mt7915(&dev->mt76) ?
    361		   MT_HIF_REMAP_L1 : MT_HIF_REMAP_L1_MT7916;
    362
    363	dev->bus_ops->rmw(&dev->mt76, l1_remap,
    364			  MT_HIF_REMAP_L1_MASK,
    365			  FIELD_PREP(MT_HIF_REMAP_L1_MASK, base));
    366	/* use read to push write */
    367	dev->bus_ops->rr(&dev->mt76, l1_remap);
    368
    369	return MT_HIF_REMAP_BASE_L1 + offset;
    370}
    371
    372static u32 mt7915_reg_map_l2(struct mt7915_dev *dev, u32 addr)
    373{
    374	u32 offset, base;
    375
    376	if (is_mt7915(&dev->mt76)) {
    377		offset = FIELD_GET(MT_HIF_REMAP_L2_OFFSET, addr);
    378		base = FIELD_GET(MT_HIF_REMAP_L2_BASE, addr);
    379
    380		dev->bus_ops->rmw(&dev->mt76, MT_HIF_REMAP_L2,
    381				  MT_HIF_REMAP_L2_MASK,
    382				  FIELD_PREP(MT_HIF_REMAP_L2_MASK, base));
    383
    384		/* use read to push write */
    385		dev->bus_ops->rr(&dev->mt76, MT_HIF_REMAP_L2);
    386	} else {
    387		u32 ofs = is_mt7986(&dev->mt76) ? 0x400000 : 0;
    388
    389		offset = FIELD_GET(MT_HIF_REMAP_L2_OFFSET_MT7916, addr);
    390		base = FIELD_GET(MT_HIF_REMAP_L2_BASE_MT7916, addr);
    391
    392		dev->bus_ops->rmw(&dev->mt76, MT_HIF_REMAP_L2_MT7916 + ofs,
    393				  MT_HIF_REMAP_L2_MASK_MT7916,
    394				  FIELD_PREP(MT_HIF_REMAP_L2_MASK_MT7916, base));
    395
    396		/* use read to push write */
    397		dev->bus_ops->rr(&dev->mt76, MT_HIF_REMAP_L2_MT7916 + ofs);
    398
    399		offset += (MT_HIF_REMAP_BASE_L2_MT7916 + ofs);
    400	}
    401
    402	return offset;
    403}
    404
    405static u32 __mt7915_reg_addr(struct mt7915_dev *dev, u32 addr)
    406{
    407	int i;
    408
    409	if (addr < 0x100000)
    410		return addr;
    411
    412	if (!dev->reg.map) {
    413		dev_err(dev->mt76.dev, "err: reg_map is null\n");
    414		return addr;
    415	}
    416
    417	for (i = 0; i < dev->reg.map_size; i++) {
    418		u32 ofs;
    419
    420		if (addr < dev->reg.map[i].phys)
    421			continue;
    422
    423		ofs = addr - dev->reg.map[i].phys;
    424		if (ofs > dev->reg.map[i].size)
    425			continue;
    426
    427		return dev->reg.map[i].maps + ofs;
    428	}
    429
    430	if ((addr >= MT_INFRA_BASE && addr < MT_WFSYS0_PHY_START) ||
    431	    (addr >= MT_WFSYS0_PHY_START && addr < MT_WFSYS1_PHY_START) ||
    432	    (addr >= MT_WFSYS1_PHY_START && addr <= MT_WFSYS1_PHY_END))
    433		return mt7915_reg_map_l1(dev, addr);
    434
    435	if (dev_is_pci(dev->mt76.dev) &&
    436	    ((addr >= MT_CBTOP1_PHY_START && addr <= MT_CBTOP1_PHY_END) ||
    437	     (addr >= MT_CBTOP2_PHY_START && addr <= MT_CBTOP2_PHY_END)))
    438		return mt7915_reg_map_l1(dev, addr);
    439
    440	/* CONN_INFRA: covert to phyiscal addr and use layer 1 remap */
    441	if (addr >= MT_INFRA_MCU_START && addr <= MT_INFRA_MCU_END) {
    442		addr = addr - MT_INFRA_MCU_START + MT_INFRA_BASE;
    443		return mt7915_reg_map_l1(dev, addr);
    444	}
    445
    446	return mt7915_reg_map_l2(dev, addr);
    447}
    448
    449static u32 mt7915_rr(struct mt76_dev *mdev, u32 offset)
    450{
    451	struct mt7915_dev *dev = container_of(mdev, struct mt7915_dev, mt76);
    452	u32 addr = __mt7915_reg_addr(dev, offset);
    453
    454	return dev->bus_ops->rr(mdev, addr);
    455}
    456
    457static void mt7915_wr(struct mt76_dev *mdev, u32 offset, u32 val)
    458{
    459	struct mt7915_dev *dev = container_of(mdev, struct mt7915_dev, mt76);
    460	u32 addr = __mt7915_reg_addr(dev, offset);
    461
    462	dev->bus_ops->wr(mdev, addr, val);
    463}
    464
    465static u32 mt7915_rmw(struct mt76_dev *mdev, u32 offset, u32 mask, u32 val)
    466{
    467	struct mt7915_dev *dev = container_of(mdev, struct mt7915_dev, mt76);
    468	u32 addr = __mt7915_reg_addr(dev, offset);
    469
    470	return dev->bus_ops->rmw(mdev, addr, mask, val);
    471}
    472
    473static int mt7915_mmio_init(struct mt76_dev *mdev,
    474			    void __iomem *mem_base,
    475			    u32 device_id)
    476{
    477	struct mt76_bus_ops *bus_ops;
    478	struct mt7915_dev *dev;
    479
    480	dev = container_of(mdev, struct mt7915_dev, mt76);
    481	mt76_mmio_init(&dev->mt76, mem_base);
    482
    483	switch (device_id) {
    484	case 0x7915:
    485		dev->reg.reg_rev = mt7915_reg;
    486		dev->reg.offs_rev = mt7915_offs;
    487		dev->reg.map = mt7915_reg_map;
    488		dev->reg.map_size = ARRAY_SIZE(mt7915_reg_map);
    489		break;
    490	case 0x7906:
    491		dev->reg.reg_rev = mt7916_reg;
    492		dev->reg.offs_rev = mt7916_offs;
    493		dev->reg.map = mt7916_reg_map;
    494		dev->reg.map_size = ARRAY_SIZE(mt7916_reg_map);
    495		break;
    496	case 0x7986:
    497		dev->reg.reg_rev = mt7986_reg;
    498		dev->reg.offs_rev = mt7916_offs;
    499		dev->reg.map = mt7986_reg_map;
    500		dev->reg.map_size = ARRAY_SIZE(mt7986_reg_map);
    501		break;
    502	default:
    503		return -EINVAL;
    504	}
    505
    506	dev->bus_ops = dev->mt76.bus;
    507	bus_ops = devm_kmemdup(dev->mt76.dev, dev->bus_ops, sizeof(*bus_ops),
    508			       GFP_KERNEL);
    509	if (!bus_ops)
    510		return -ENOMEM;
    511
    512	bus_ops->rr = mt7915_rr;
    513	bus_ops->wr = mt7915_wr;
    514	bus_ops->rmw = mt7915_rmw;
    515	dev->mt76.bus = bus_ops;
    516
    517	mdev->rev = (device_id << 16) |
    518		    (mt76_rr(dev, MT_HW_REV) & 0xff);
    519	dev_dbg(mdev->dev, "ASIC revision: %04x\n", mdev->rev);
    520
    521	return 0;
    522}
    523
    524void mt7915_dual_hif_set_irq_mask(struct mt7915_dev *dev,
    525				  bool write_reg,
    526				  u32 clear, u32 set)
    527{
    528	struct mt76_dev *mdev = &dev->mt76;
    529	unsigned long flags;
    530
    531	spin_lock_irqsave(&mdev->mmio.irq_lock, flags);
    532
    533	mdev->mmio.irqmask &= ~clear;
    534	mdev->mmio.irqmask |= set;
    535
    536	if (write_reg) {
    537		mt76_wr(dev, MT_INT_MASK_CSR, mdev->mmio.irqmask);
    538		mt76_wr(dev, MT_INT1_MASK_CSR, mdev->mmio.irqmask);
    539	}
    540
    541	spin_unlock_irqrestore(&mdev->mmio.irq_lock, flags);
    542}
    543
    544static void mt7915_rx_poll_complete(struct mt76_dev *mdev,
    545				    enum mt76_rxq_id q)
    546{
    547	struct mt7915_dev *dev = container_of(mdev, struct mt7915_dev, mt76);
    548
    549	mt7915_irq_enable(dev, MT_INT_RX(q));
    550}
    551
    552/* TODO: support 2/4/6/8 MSI-X vectors */
    553static void mt7915_irq_tasklet(struct tasklet_struct *t)
    554{
    555	struct mt7915_dev *dev = from_tasklet(dev, t, irq_tasklet);
    556	struct mtk_wed_device *wed = &dev->mt76.mmio.wed;
    557	u32 intr, intr1, mask;
    558
    559	if (mtk_wed_device_active(wed)) {
    560		mtk_wed_device_irq_set_mask(wed, 0);
    561		intr = mtk_wed_device_irq_get(wed, dev->mt76.mmio.irqmask);
    562	} else {
    563		mt76_wr(dev, MT_INT_MASK_CSR, 0);
    564		if (dev->hif2)
    565			mt76_wr(dev, MT_INT1_MASK_CSR, 0);
    566
    567		intr = mt76_rr(dev, MT_INT_SOURCE_CSR);
    568		intr &= dev->mt76.mmio.irqmask;
    569		mt76_wr(dev, MT_INT_SOURCE_CSR, intr);
    570	}
    571
    572	if (dev->hif2) {
    573		intr1 = mt76_rr(dev, MT_INT1_SOURCE_CSR);
    574		intr1 &= dev->mt76.mmio.irqmask;
    575		mt76_wr(dev, MT_INT1_SOURCE_CSR, intr1);
    576
    577		intr |= intr1;
    578	}
    579
    580	trace_dev_irq(&dev->mt76, intr, dev->mt76.mmio.irqmask);
    581
    582	mask = intr & MT_INT_RX_DONE_ALL;
    583	if (intr & MT_INT_TX_DONE_MCU)
    584		mask |= MT_INT_TX_DONE_MCU;
    585
    586	mt7915_irq_disable(dev, mask);
    587
    588	if (intr & MT_INT_TX_DONE_MCU)
    589		napi_schedule(&dev->mt76.tx_napi);
    590
    591	if (intr & MT_INT_RX(MT_RXQ_MAIN))
    592		napi_schedule(&dev->mt76.napi[MT_RXQ_MAIN]);
    593
    594	if (intr & MT_INT_RX(MT_RXQ_EXT))
    595		napi_schedule(&dev->mt76.napi[MT_RXQ_EXT]);
    596
    597	if (intr & MT_INT_RX(MT_RXQ_MCU))
    598		napi_schedule(&dev->mt76.napi[MT_RXQ_MCU]);
    599
    600	if (intr & MT_INT_RX(MT_RXQ_MCU_WA))
    601		napi_schedule(&dev->mt76.napi[MT_RXQ_MCU_WA]);
    602
    603	if (!is_mt7915(&dev->mt76) &&
    604	    (intr & MT_INT_RX(MT_RXQ_MAIN_WA)))
    605		napi_schedule(&dev->mt76.napi[MT_RXQ_MAIN_WA]);
    606
    607	if (intr & MT_INT_RX(MT_RXQ_EXT_WA))
    608		napi_schedule(&dev->mt76.napi[MT_RXQ_EXT_WA]);
    609
    610	if (intr & MT_INT_MCU_CMD) {
    611		u32 val = mt76_rr(dev, MT_MCU_CMD);
    612
    613		mt76_wr(dev, MT_MCU_CMD, val);
    614		if (val & MT_MCU_CMD_ERROR_MASK) {
    615			dev->reset_state = val;
    616			queue_work(dev->mt76.wq, &dev->reset_work);
    617			wake_up(&dev->reset_wait);
    618		}
    619	}
    620}
    621
    622irqreturn_t mt7915_irq_handler(int irq, void *dev_instance)
    623{
    624	struct mt7915_dev *dev = dev_instance;
    625	struct mtk_wed_device *wed = &dev->mt76.mmio.wed;
    626
    627	if (mtk_wed_device_active(wed)) {
    628		mtk_wed_device_irq_set_mask(wed, 0);
    629	} else {
    630		mt76_wr(dev, MT_INT_MASK_CSR, 0);
    631		if (dev->hif2)
    632			mt76_wr(dev, MT_INT1_MASK_CSR, 0);
    633	}
    634
    635	if (!test_bit(MT76_STATE_INITIALIZED, &dev->mphy.state))
    636		return IRQ_NONE;
    637
    638	tasklet_schedule(&dev->irq_tasklet);
    639
    640	return IRQ_HANDLED;
    641}
    642
    643struct mt7915_dev *mt7915_mmio_probe(struct device *pdev,
    644				     void __iomem *mem_base, u32 device_id)
    645{
    646	static const struct mt76_driver_ops drv_ops = {
    647		/* txwi_size = txd size + txp size */
    648		.txwi_size = MT_TXD_SIZE + sizeof(struct mt7915_txp),
    649		.drv_flags = MT_DRV_TXWI_NO_FREE | MT_DRV_HW_MGMT_TXQ,
    650		.survey_flags = SURVEY_INFO_TIME_TX |
    651				SURVEY_INFO_TIME_RX |
    652				SURVEY_INFO_TIME_BSS_RX,
    653		.token_size = MT7915_TOKEN_SIZE,
    654		.tx_prepare_skb = mt7915_tx_prepare_skb,
    655		.tx_complete_skb = mt7915_tx_complete_skb,
    656		.rx_skb = mt7915_queue_rx_skb,
    657		.rx_check = mt7915_rx_check,
    658		.rx_poll_complete = mt7915_rx_poll_complete,
    659		.sta_ps = mt7915_sta_ps,
    660		.sta_add = mt7915_mac_sta_add,
    661		.sta_remove = mt7915_mac_sta_remove,
    662		.update_survey = mt7915_update_channel,
    663	};
    664	struct ieee80211_ops *ops;
    665	struct mt7915_dev *dev;
    666	struct mt76_dev *mdev;
    667	int ret;
    668
    669	ops = devm_kmemdup(pdev, &mt7915_ops, sizeof(mt7915_ops), GFP_KERNEL);
    670	if (!ops)
    671		return ERR_PTR(-ENOMEM);
    672
    673	mdev = mt76_alloc_device(pdev, sizeof(*dev), ops, &drv_ops);
    674	if (!mdev)
    675		return ERR_PTR(-ENOMEM);
    676
    677	dev = container_of(mdev, struct mt7915_dev, mt76);
    678
    679	ret = mt7915_mmio_init(mdev, mem_base, device_id);
    680	if (ret)
    681		goto error;
    682
    683	tasklet_setup(&dev->irq_tasklet, mt7915_irq_tasklet);
    684
    685	return dev;
    686
    687error:
    688	mt76_free_device(&dev->mt76);
    689
    690	return ERR_PTR(ret);
    691}
    692
    693static int __init mt7915_init(void)
    694{
    695	int ret;
    696
    697	ret = pci_register_driver(&mt7915_hif_driver);
    698	if (ret)
    699		return ret;
    700
    701	ret = pci_register_driver(&mt7915_pci_driver);
    702	if (ret)
    703		goto error_pci;
    704
    705	if (IS_ENABLED(CONFIG_MT7986_WMAC)) {
    706		ret = platform_driver_register(&mt7986_wmac_driver);
    707		if (ret)
    708			goto error_wmac;
    709	}
    710
    711	return 0;
    712
    713error_wmac:
    714	pci_unregister_driver(&mt7915_pci_driver);
    715error_pci:
    716	pci_unregister_driver(&mt7915_hif_driver);
    717
    718	return ret;
    719}
    720
    721static void __exit mt7915_exit(void)
    722{
    723	if (IS_ENABLED(CONFIG_MT7986_WMAC))
    724		platform_driver_unregister(&mt7986_wmac_driver);
    725
    726	pci_unregister_driver(&mt7915_pci_driver);
    727	pci_unregister_driver(&mt7915_hif_driver);
    728}
    729
    730module_init(mt7915_init);
    731module_exit(mt7915_exit);
    732MODULE_LICENSE("Dual BSD/GPL");