Minki/linux
1
0
Fork 1
mirror of https://github.com/torvalds/linux.git synced 2024-09-20 23:13:00 +00:00
Code Issues Packages Projects Releases Wiki Activity

net: ipa: add IPA v5.0 GSI register definitions

Browse Source 
Add the definitions of GSI register offsets and fields for IPA v5.0.
These are used for the SDX65 SoC.  Increase the maximum channel and
event ring counts supported by the driver, so those implemented by
the SDX65 are supported.

Signed-off-by: Alex Elder <elder@linaro.org>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Alex Elder 2023-03-21 13:26:43 -05:00 committed by Jakub Kicinski
parent ed4c7d6162
commit faf0678ec8
5 changed files with 324 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
drivers/net/ipa/Makefile
View File

@ -5,7 +5,7 @@
IPA_REG_VERSIONS := 3.1 3.5.1 4.2 4.5 4.7 4.9 4.11 5.0
# Some IPA versions can reuse another set of GSI register definitions.
GSI_REG_VERSIONS := 3.1 3.5.1 4.0 4.5 4.9 4.11
GSI_REG_VERSIONS := 3.1 3.5.1 4.0 4.5 4.9 4.11 5.0
IPA_DATA_VERSIONS := 3.1 3.5.1 4.2 4.5 4.7 4.9 4.11

4
drivers/net/ipa/gsi.h
View File

@ -16,8 +16,8 @@
#include "ipa_version.h"
/* Maximum number of channels and event rings supported by the driver */
#define GSI_CHANNEL_COUNT_MAX 23
#define GSI_EVT_RING_COUNT_MAX 24
#define GSI_CHANNEL_COUNT_MAX 28
#define GSI_EVT_RING_COUNT_MAX 28
/* Maximum TLV FIFO size for a channel; 64 here is arbitrary (and high) */
#define GSI_TLV_MAX 64

3
drivers/net/ipa/gsi_reg.c
View File

@ -109,6 +109,9 @@ static const struct regs *gsi_regs(struct gsi *gsi)
case IPA_VERSION_4_11:
return &gsi_regs_v4_11;
case IPA_VERSION_5_0:
return &gsi_regs_v5_0;
default:
return NULL;
}

1
drivers/net/ipa/gsi_reg.h
View File

@ -355,6 +355,7 @@ extern const struct regs gsi_regs_v4_0;
extern const struct regs gsi_regs_v4_5;
extern const struct regs gsi_regs_v4_9;
extern const struct regs gsi_regs_v4_11;
extern const struct regs gsi_regs_v5_0;
/**
* gsi_reg() - Return the structure describing a GSI register

317
drivers/net/ipa/reg/gsi_reg-v5.0.c Normal file
View File

@ -0,0 +1,317 @@
// SPDX-License-Identifier: GPL-2.0
/* Copyright (C) 2023 Linaro Ltd. */
#include <linux/types.h>
#include "../gsi.h"
#include "../reg.h"
#include "../gsi_reg.h"
REG(INTER_EE_SRC_CH_IRQ_MSK, inter_ee_src_ch_irq_msk,
0x0000c01c + 0x1000 * GSI_EE_AP);
REG(INTER_EE_SRC_EV_CH_IRQ_MSK, inter_ee_src_ev_ch_irq_msk,
0x0000c028 + 0x1000 * GSI_EE_AP);
static const u32 reg_ch_c_cntxt_0_fmask[] = {
[CHTYPE_PROTOCOL] = GENMASK(6, 0),
[CHTYPE_DIR] = BIT(7),
[CH_EE] = GENMASK(11, 8),
[CHID] = GENMASK(19, 12),
[CHSTATE] = GENMASK(23, 20),
[ELEMENT_SIZE] = GENMASK(31, 24),
};
REG_STRIDE_FIELDS(CH_C_CNTXT_0, ch_c_cntxt_0,
0x00014000 + 0x12000 * GSI_EE_AP, 0x80);
static const u32 reg_ch_c_cntxt_1_fmask[] = {
[CH_R_LENGTH] = GENMASK(23, 0),
[ERINDEX] = GENMASK(31, 24),
};
REG_STRIDE_FIELDS(CH_C_CNTXT_1, ch_c_cntxt_1,
0x00014004 + 0x12000 * GSI_EE_AP, 0x80);
REG_STRIDE(CH_C_CNTXT_2, ch_c_cntxt_2, 0x00014008 + 0x12000 * GSI_EE_AP, 0x80);
REG_STRIDE(CH_C_CNTXT_3, ch_c_cntxt_3, 0x0001400c + 0x12000 * GSI_EE_AP, 0x80);
static const u32 reg_ch_c_qos_fmask[] = {
[WRR_WEIGHT] = GENMASK(3, 0),
/* Bits 4-7 reserved */
[MAX_PREFETCH] = BIT(8),
[USE_DB_ENG] = BIT(9),
[PREFETCH_MODE] = GENMASK(13, 10),
/* Bits 14-15 reserved */
[EMPTY_LVL_THRSHOLD] = GENMASK(23, 16),
[DB_IN_BYTES] = BIT(24),
[LOW_LATENCY_EN] = BIT(25),
/* Bits 26-31 reserved */
};
REG_STRIDE_FIELDS(CH_C_QOS, ch_c_qos, 0x00014048 + 0x12000 * GSI_EE_AP, 0x80);
REG_STRIDE(CH_C_SCRATCH_0, ch_c_scratch_0,
0x0001404c + 0x12000 * GSI_EE_AP, 0x80);
REG_STRIDE(CH_C_SCRATCH_1, ch_c_scratch_1,
0x00014050 + 0x12000 * GSI_EE_AP, 0x80);
REG_STRIDE(CH_C_SCRATCH_2, ch_c_scratch_2,
0x00014054 + 0x12000 * GSI_EE_AP, 0x80);
REG_STRIDE(CH_C_SCRATCH_3, ch_c_scratch_3,
0x00014058 + 0x12000 * GSI_EE_AP, 0x80);
static const u32 reg_ev_ch_e_cntxt_0_fmask[] = {
[EV_CHTYPE] = GENMASK(6, 0),
[EV_INTYPE] = BIT(7),
[EV_EVCHID] = GENMASK(15, 8),
[EV_EE] = GENMASK(19, 16),
[EV_CHSTATE] = GENMASK(23, 20),
[EV_ELEMENT_SIZE] = GENMASK(31, 24),
};
REG_STRIDE_FIELDS(EV_CH_E_CNTXT_0, ev_ch_e_cntxt_0,
0x0001c000 + 0x12000 * GSI_EE_AP, 0x80);
static const u32 reg_ev_ch_e_cntxt_1_fmask[] = {
[R_LENGTH] = GENMASK(19, 0),
};
REG_STRIDE_FIELDS(EV_CH_E_CNTXT_1, ev_ch_e_cntxt_1,
0x0001c004 + 0x12000 * GSI_EE_AP, 0x80);
REG_STRIDE(EV_CH_E_CNTXT_2, ev_ch_e_cntxt_2,
0x0001c008 + 0x12000 * GSI_EE_AP, 0x80);
REG_STRIDE(EV_CH_E_CNTXT_3, ev_ch_e_cntxt_3,
0x0001c00c + 0x12000 * GSI_EE_AP, 0x80);
REG_STRIDE(EV_CH_E_CNTXT_4, ev_ch_e_cntxt_4,
0x0001c010 + 0x12000 * GSI_EE_AP, 0x80);
static const u32 reg_ev_ch_e_cntxt_8_fmask[] = {
[EV_MODT] = GENMASK(15, 0),
[EV_MODC] = GENMASK(23, 16),
[EV_MOD_CNT] = GENMASK(31, 24),
};
REG_STRIDE_FIELDS(EV_CH_E_CNTXT_8, ev_ch_e_cntxt_8,
0x0001c020 + 0x12000 * GSI_EE_AP, 0x80);
REG_STRIDE(EV_CH_E_CNTXT_9, ev_ch_e_cntxt_9,
0x0001c024 + 0x12000 * GSI_EE_AP, 0x80);
REG_STRIDE(EV_CH_E_CNTXT_10, ev_ch_e_cntxt_10,
0x0001c028 + 0x12000 * GSI_EE_AP, 0x80);
REG_STRIDE(EV_CH_E_CNTXT_11, ev_ch_e_cntxt_11,
0x0001c02c + 0x12000 * GSI_EE_AP, 0x80);
REG_STRIDE(EV_CH_E_CNTXT_12, ev_ch_e_cntxt_12,
0x0001c030 + 0x12000 * GSI_EE_AP, 0x80);
REG_STRIDE(EV_CH_E_CNTXT_13, ev_ch_e_cntxt_13,
0x0001c034 + 0x12000 * GSI_EE_AP, 0x80);
REG_STRIDE(EV_CH_E_SCRATCH_0, ev_ch_e_scratch_0,
0x0001c048 + 0x12000 * GSI_EE_AP, 0x80);
REG_STRIDE(EV_CH_E_SCRATCH_1, ev_ch_e_scratch_1,
0x0001c04c + 0x12000 * GSI_EE_AP, 0x80);
REG_STRIDE(CH_C_DOORBELL_0, ch_c_doorbell_0,
0x00024000 + 0x12000 * GSI_EE_AP, 0x08);
REG_STRIDE(EV_CH_E_DOORBELL_0, ev_ch_e_doorbell_0,
0x00024800 + 0x12000 * GSI_EE_AP, 0x08);
static const u32 reg_gsi_status_fmask[] = {
[ENABLED] = BIT(0),
/* Bits 1-31 reserved */
};
REG_FIELDS(GSI_STATUS, gsi_status, 0x00025000 + 0x12000 * GSI_EE_AP);
static const u32 reg_ch_cmd_fmask[] = {
[CH_CHID] = GENMASK(7, 0),
/* Bits 8-23 reserved */
[CH_OPCODE] = GENMASK(31, 24),
};
REG_FIELDS(CH_CMD, ch_cmd, 0x00025008 + 0x12000 * GSI_EE_AP);
static const u32 reg_ev_ch_cmd_fmask[] = {
[EV_CHID] = GENMASK(7, 0),
/* Bits 8-23 reserved */
[EV_OPCODE] = GENMASK(31, 24),
};
REG_FIELDS(EV_CH_CMD, ev_ch_cmd, 0x00025010 + 0x12000 * GSI_EE_AP);
static const u32 reg_generic_cmd_fmask[] = {
[GENERIC_OPCODE] = GENMASK(4, 0),
[GENERIC_CHID] = GENMASK(9, 5),
[GENERIC_EE] = GENMASK(13, 10),
/* Bits 14-31 reserved */
};
REG_FIELDS(GENERIC_CMD, generic_cmd, 0x00025018 + 0x12000 * GSI_EE_AP);
static const u32 reg_hw_param_2_fmask[] = {
[NUM_CH_PER_EE] = GENMASK(7, 0),
[IRAM_SIZE] = GENMASK(12, 8),
[GSI_CH_PEND_TRANSLATE] = BIT(13),
[GSI_CH_FULL_LOGIC] = BIT(14),
[GSI_USE_SDMA] = BIT(15),
[GSI_SDMA_N_INT] = GENMASK(18, 16),
[GSI_SDMA_MAX_BURST] = GENMASK(26, 19),
[GSI_SDMA_N_IOVEC] = GENMASK(29, 27),
[GSI_USE_RD_WR_ENG] = BIT(30),
[GSI_USE_INTER_EE] = BIT(31),
};
REG_FIELDS(HW_PARAM_2, hw_param_2, 0x00025040 + 0x12000 * GSI_EE_AP);
static const u32 reg_hw_param_4_fmask[] = {
[EV_PER_EE] = GENMASK(7, 0),
[IRAM_PROTOCOL_COUNT] = GENMASK(15, 8),
/* Bits 16-31 reserved */
};
REG_FIELDS(HW_PARAM_4, hw_param_4, 0x00025050 + 0x12000 * GSI_EE_AP);
REG(CNTXT_TYPE_IRQ, cntxt_type_irq, 0x00025080 + 0x12000 * GSI_EE_AP);
REG(CNTXT_TYPE_IRQ_MSK, cntxt_type_irq_msk, 0x00025088 + 0x12000 * GSI_EE_AP);
REG(CNTXT_SRC_CH_IRQ, cntxt_src_ch_irq, 0x00025090 + 0x12000 * GSI_EE_AP);
REG(CNTXT_SRC_CH_IRQ_MSK, cntxt_src_ch_irq_msk,
0x00025094 + 0x12000 * GSI_EE_AP);
REG(CNTXT_SRC_CH_IRQ_CLR, cntxt_src_ch_irq_clr,
0x00025098 + 0x12000 * GSI_EE_AP);
REG(CNTXT_SRC_EV_CH_IRQ, cntxt_src_ev_ch_irq, 0x0002509c + 0x12000 * GSI_EE_AP);
REG(CNTXT_SRC_EV_CH_IRQ_MSK, cntxt_src_ev_ch_irq_msk,
0x000250a0 + 0x12000 * GSI_EE_AP);
REG(CNTXT_SRC_EV_CH_IRQ_CLR, cntxt_src_ev_ch_irq_clr,
0x000250a4 + 0x12000 * GSI_EE_AP);
REG(CNTXT_SRC_IEOB_IRQ, cntxt_src_ieob_irq, 0x000250a8 + 0x12000 * GSI_EE_AP);
REG(CNTXT_SRC_IEOB_IRQ_MSK, cntxt_src_ieob_irq_msk,
0x000250ac + 0x12000 * GSI_EE_AP);
REG(CNTXT_SRC_IEOB_IRQ_CLR, cntxt_src_ieob_irq_clr,
0x000250b0 + 0x12000 * GSI_EE_AP);
REG(CNTXT_GLOB_IRQ_STTS, cntxt_glob_irq_stts, 0x00025200 + 0x12000 * GSI_EE_AP);
REG(CNTXT_GLOB_IRQ_EN, cntxt_glob_irq_en, 0x00025204 + 0x12000 * GSI_EE_AP);
REG(CNTXT_GLOB_IRQ_CLR, cntxt_glob_irq_clr, 0x00025208 + 0x12000 * GSI_EE_AP);
REG(CNTXT_GSI_IRQ_STTS, cntxt_gsi_irq_stts, 0x0002520c + 0x12000 * GSI_EE_AP);
REG(CNTXT_GSI_IRQ_EN, cntxt_gsi_irq_en, 0x00025210 + 0x12000 * GSI_EE_AP);
REG(CNTXT_GSI_IRQ_CLR, cntxt_gsi_irq_clr, 0x00025214 + 0x12000 * GSI_EE_AP);
static const u32 reg_cntxt_intset_fmask[] = {
[INTYPE] = BIT(0)
/* Bits 1-31 reserved */
};
REG_FIELDS(CNTXT_INTSET, cntxt_intset, 0x00025220 + 0x12000 * GSI_EE_AP);
static const u32 reg_error_log_fmask[] = {
[ERR_ARG3] = GENMASK(3, 0),
[ERR_ARG2] = GENMASK(7, 4),
[ERR_ARG1] = GENMASK(11, 8),
[ERR_CODE] = GENMASK(15, 12),
/* Bits 16-18 reserved */
[ERR_VIRT_IDX] = GENMASK(23, 19),
[ERR_TYPE] = GENMASK(27, 24),
[ERR_EE] = GENMASK(31, 28),
};
REG_FIELDS(ERROR_LOG, error_log, 0x00025240 + 0x12000 * GSI_EE_AP);
REG(ERROR_LOG_CLR, error_log_clr, 0x00025244 + 0x12000 * GSI_EE_AP);
static const u32 reg_cntxt_scratch_0_fmask[] = {
[INTER_EE_RESULT] = GENMASK(2, 0),
/* Bits 3-4 reserved */
[GENERIC_EE_RESULT] = GENMASK(7, 5),
/* Bits 8-31 reserved */
};
REG_FIELDS(CNTXT_SCRATCH_0, cntxt_scratch_0, 0x00025400 + 0x12000 * GSI_EE_AP);
static const struct reg *reg_array[] = {
[INTER_EE_SRC_CH_IRQ_MSK] = &reg_inter_ee_src_ch_irq_msk,
[INTER_EE_SRC_EV_CH_IRQ_MSK] = &reg_inter_ee_src_ev_ch_irq_msk,
[CH_C_CNTXT_0] = &reg_ch_c_cntxt_0,
[CH_C_CNTXT_1] = &reg_ch_c_cntxt_1,
[CH_C_CNTXT_2] = &reg_ch_c_cntxt_2,
[CH_C_CNTXT_3] = &reg_ch_c_cntxt_3,
[CH_C_QOS] = &reg_ch_c_qos,
[CH_C_SCRATCH_0] = &reg_ch_c_scratch_0,
[CH_C_SCRATCH_1] = &reg_ch_c_scratch_1,
[CH_C_SCRATCH_2] = &reg_ch_c_scratch_2,
[CH_C_SCRATCH_3] = &reg_ch_c_scratch_3,
[EV_CH_E_CNTXT_0] = &reg_ev_ch_e_cntxt_0,
[EV_CH_E_CNTXT_1] = &reg_ev_ch_e_cntxt_1,
[EV_CH_E_CNTXT_2] = &reg_ev_ch_e_cntxt_2,
[EV_CH_E_CNTXT_3] = &reg_ev_ch_e_cntxt_3,
[EV_CH_E_CNTXT_4] = &reg_ev_ch_e_cntxt_4,
[EV_CH_E_CNTXT_8] = &reg_ev_ch_e_cntxt_8,
[EV_CH_E_CNTXT_9] = &reg_ev_ch_e_cntxt_9,
[EV_CH_E_CNTXT_10] = &reg_ev_ch_e_cntxt_10,
[EV_CH_E_CNTXT_11] = &reg_ev_ch_e_cntxt_11,
[EV_CH_E_CNTXT_12] = &reg_ev_ch_e_cntxt_12,
[EV_CH_E_CNTXT_13] = &reg_ev_ch_e_cntxt_13,
[EV_CH_E_SCRATCH_0] = &reg_ev_ch_e_scratch_0,
[EV_CH_E_SCRATCH_1] = &reg_ev_ch_e_scratch_1,
[CH_C_DOORBELL_0] = &reg_ch_c_doorbell_0,
[EV_CH_E_DOORBELL_0] = &reg_ev_ch_e_doorbell_0,
[GSI_STATUS] = &reg_gsi_status,
[CH_CMD] = &reg_ch_cmd,
[EV_CH_CMD] = &reg_ev_ch_cmd,
[GENERIC_CMD] = &reg_generic_cmd,
[HW_PARAM_2] = &reg_hw_param_2,
[HW_PARAM_4] = &reg_hw_param_4,
[CNTXT_TYPE_IRQ] = &reg_cntxt_type_irq,
[CNTXT_TYPE_IRQ_MSK] = &reg_cntxt_type_irq_msk,
[CNTXT_SRC_CH_IRQ] = &reg_cntxt_src_ch_irq,
[CNTXT_SRC_CH_IRQ_MSK] = &reg_cntxt_src_ch_irq_msk,
[CNTXT_SRC_CH_IRQ_CLR] = &reg_cntxt_src_ch_irq_clr,
[CNTXT_SRC_EV_CH_IRQ] = &reg_cntxt_src_ev_ch_irq,
[CNTXT_SRC_EV_CH_IRQ_MSK] = &reg_cntxt_src_ev_ch_irq_msk,
[CNTXT_SRC_EV_CH_IRQ_CLR] = &reg_cntxt_src_ev_ch_irq_clr,
[CNTXT_SRC_IEOB_IRQ] = &reg_cntxt_src_ieob_irq,
[CNTXT_SRC_IEOB_IRQ_MSK] = &reg_cntxt_src_ieob_irq_msk,
[CNTXT_SRC_IEOB_IRQ_CLR] = &reg_cntxt_src_ieob_irq_clr,
[CNTXT_GLOB_IRQ_STTS] = &reg_cntxt_glob_irq_stts,
[CNTXT_GLOB_IRQ_EN] = &reg_cntxt_glob_irq_en,
[CNTXT_GLOB_IRQ_CLR] = &reg_cntxt_glob_irq_clr,
[CNTXT_GSI_IRQ_STTS] = &reg_cntxt_gsi_irq_stts,
[CNTXT_GSI_IRQ_EN] = &reg_cntxt_gsi_irq_en,
[CNTXT_GSI_IRQ_CLR] = &reg_cntxt_gsi_irq_clr,
[CNTXT_INTSET] = &reg_cntxt_intset,
[ERROR_LOG] = &reg_error_log,
[ERROR_LOG_CLR] = &reg_error_log_clr,
[CNTXT_SCRATCH_0] = &reg_cntxt_scratch_0,
};
const struct regs gsi_regs_v5_0 = {
.reg_count = ARRAY_SIZE(reg_array),
.reg = reg_array,
};