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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k3-psil-am64.c (4252B)


      1// SPDX-License-Identifier: GPL-2.0
      2/*
      3 *  Copyright (C) 2020 Texas Instruments Incorporated - https://www.ti.com
      4 *  Author: Peter Ujfalusi <peter.ujfalusi@ti.com>
      5 */
      6
      7#include <linux/kernel.h>
      8
      9#include "k3-psil-priv.h"
     10
     11#define PSIL_PDMA_XY_TR(x)					\
     12	{							\
     13		.thread_id = x,					\
     14		.ep_config = {					\
     15			.ep_type = PSIL_EP_PDMA_XY,		\
     16			.mapped_channel_id = -1,		\
     17			.default_flow_id = -1,			\
     18		},						\
     19	}
     20
     21#define PSIL_PDMA_XY_PKT(x)					\
     22	{							\
     23		.thread_id = x,					\
     24		.ep_config = {					\
     25			.ep_type = PSIL_EP_PDMA_XY,		\
     26			.mapped_channel_id = -1,		\
     27			.default_flow_id = -1,			\
     28			.pkt_mode = 1,				\
     29		},						\
     30	}
     31
     32#define PSIL_ETHERNET(x, ch, flow_base, flow_cnt)		\
     33	{							\
     34		.thread_id = x,					\
     35		.ep_config = {					\
     36			.ep_type = PSIL_EP_NATIVE,		\
     37			.pkt_mode = 1,				\
     38			.needs_epib = 1,			\
     39			.psd_size = 16,				\
     40			.mapped_channel_id = ch,		\
     41			.flow_start = flow_base,		\
     42			.flow_num = flow_cnt,			\
     43			.default_flow_id = flow_base,		\
     44		},						\
     45	}
     46
     47#define PSIL_SAUL(x, ch, flow_base, flow_cnt, default_flow, tx)	\
     48	{							\
     49		.thread_id = x,					\
     50		.ep_config = {					\
     51			.ep_type = PSIL_EP_NATIVE,		\
     52			.pkt_mode = 1,				\
     53			.needs_epib = 1,			\
     54			.psd_size = 64,				\
     55			.mapped_channel_id = ch,		\
     56			.flow_start = flow_base,		\
     57			.flow_num = flow_cnt,			\
     58			.default_flow_id = default_flow,	\
     59			.notdpkt = tx,				\
     60		},						\
     61	}
     62
     63/* PSI-L source thread IDs, used for RX (DMA_DEV_TO_MEM) */
     64static struct psil_ep am64_src_ep_map[] = {
     65	/* SAUL */
     66	PSIL_SAUL(0x4000, 17, 32, 8, 32, 0),
     67	PSIL_SAUL(0x4001, 18, 32, 8, 33, 0),
     68	PSIL_SAUL(0x4002, 19, 40, 8, 40, 0),
     69	PSIL_SAUL(0x4003, 20, 40, 8, 41, 0),
     70	/* ICSS_G0 */
     71	PSIL_ETHERNET(0x4100, 21, 48, 16),
     72	PSIL_ETHERNET(0x4101, 22, 64, 16),
     73	PSIL_ETHERNET(0x4102, 23, 80, 16),
     74	PSIL_ETHERNET(0x4103, 24, 96, 16),
     75	/* ICSS_G1 */
     76	PSIL_ETHERNET(0x4200, 25, 112, 16),
     77	PSIL_ETHERNET(0x4201, 26, 128, 16),
     78	PSIL_ETHERNET(0x4202, 27, 144, 16),
     79	PSIL_ETHERNET(0x4203, 28, 160, 16),
     80	/* PDMA_MAIN0 - SPI0-3 */
     81	PSIL_PDMA_XY_PKT(0x4300),
     82	PSIL_PDMA_XY_PKT(0x4301),
     83	PSIL_PDMA_XY_PKT(0x4302),
     84	PSIL_PDMA_XY_PKT(0x4303),
     85	PSIL_PDMA_XY_PKT(0x4304),
     86	PSIL_PDMA_XY_PKT(0x4305),
     87	PSIL_PDMA_XY_PKT(0x4306),
     88	PSIL_PDMA_XY_PKT(0x4307),
     89	PSIL_PDMA_XY_PKT(0x4308),
     90	PSIL_PDMA_XY_PKT(0x4309),
     91	PSIL_PDMA_XY_PKT(0x430a),
     92	PSIL_PDMA_XY_PKT(0x430b),
     93	PSIL_PDMA_XY_PKT(0x430c),
     94	PSIL_PDMA_XY_PKT(0x430d),
     95	PSIL_PDMA_XY_PKT(0x430e),
     96	PSIL_PDMA_XY_PKT(0x430f),
     97	/* PDMA_MAIN0 - USART0-1 */
     98	PSIL_PDMA_XY_PKT(0x4310),
     99	PSIL_PDMA_XY_PKT(0x4311),
    100	/* PDMA_MAIN1 - SPI4 */
    101	PSIL_PDMA_XY_PKT(0x4400),
    102	PSIL_PDMA_XY_PKT(0x4401),
    103	PSIL_PDMA_XY_PKT(0x4402),
    104	PSIL_PDMA_XY_PKT(0x4403),
    105	/* PDMA_MAIN1 - USART2-6 */
    106	PSIL_PDMA_XY_PKT(0x4404),
    107	PSIL_PDMA_XY_PKT(0x4405),
    108	PSIL_PDMA_XY_PKT(0x4406),
    109	PSIL_PDMA_XY_PKT(0x4407),
    110	PSIL_PDMA_XY_PKT(0x4408),
    111	/* PDMA_MAIN1 - ADCs */
    112	PSIL_PDMA_XY_TR(0x440f),
    113	PSIL_PDMA_XY_TR(0x4410),
    114	/* CPSW2 */
    115	PSIL_ETHERNET(0x4500, 16, 16, 16),
    116};
    117
    118/* PSI-L destination thread IDs, used for TX (DMA_MEM_TO_DEV) */
    119static struct psil_ep am64_dst_ep_map[] = {
    120	/* SAUL */
    121	PSIL_SAUL(0xc000, 24, 80, 8, 80, 1),
    122	PSIL_SAUL(0xc001, 25, 88, 8, 88, 1),
    123	/* ICSS_G0 */
    124	PSIL_ETHERNET(0xc100, 26, 96, 1),
    125	PSIL_ETHERNET(0xc101, 27, 97, 1),
    126	PSIL_ETHERNET(0xc102, 28, 98, 1),
    127	PSIL_ETHERNET(0xc103, 29, 99, 1),
    128	PSIL_ETHERNET(0xc104, 30, 100, 1),
    129	PSIL_ETHERNET(0xc105, 31, 101, 1),
    130	PSIL_ETHERNET(0xc106, 32, 102, 1),
    131	PSIL_ETHERNET(0xc107, 33, 103, 1),
    132	/* ICSS_G1 */
    133	PSIL_ETHERNET(0xc200, 34, 104, 1),
    134	PSIL_ETHERNET(0xc201, 35, 105, 1),
    135	PSIL_ETHERNET(0xc202, 36, 106, 1),
    136	PSIL_ETHERNET(0xc203, 37, 107, 1),
    137	PSIL_ETHERNET(0xc204, 38, 108, 1),
    138	PSIL_ETHERNET(0xc205, 39, 109, 1),
    139	PSIL_ETHERNET(0xc206, 40, 110, 1),
    140	PSIL_ETHERNET(0xc207, 41, 111, 1),
    141	/* CPSW2 */
    142	PSIL_ETHERNET(0xc500, 16, 16, 8),
    143	PSIL_ETHERNET(0xc501, 17, 24, 8),
    144	PSIL_ETHERNET(0xc502, 18, 32, 8),
    145	PSIL_ETHERNET(0xc503, 19, 40, 8),
    146	PSIL_ETHERNET(0xc504, 20, 48, 8),
    147	PSIL_ETHERNET(0xc505, 21, 56, 8),
    148	PSIL_ETHERNET(0xc506, 22, 64, 8),
    149	PSIL_ETHERNET(0xc507, 23, 72, 8),
    150};
    151
    152struct psil_ep_map am64_ep_map = {
    153	.name = "am64",
    154	.src = am64_src_ep_map,
    155	.src_count = ARRAY_SIZE(am64_src_ep_map),
    156	.dst = am64_dst_ep_map,
    157	.dst_count = ARRAY_SIZE(am64_dst_ep_map),
    158};