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hw/arm/smmuv3: Skeleton

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This patch implements a skeleton for the smmuv3 device.
Datatypes and register definitions are introduced. The MMIO
region, the interrupts and the queue are initialized.

Only the MMIO read operation is implemented here.

Signed-off-by: Prem Mallappa <prem.mallappa@broadcom.com>
Signed-off-by: Eric Auger <eric.auger@redhat.com>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Message-id: 1524665762-31355-5-git-send-email-eric.auger@redhat.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This commit is contained in:
Prem Mallappa 2018-05-04 18:05:51 +01:00 • committed by Peter Maydell
parent 93641948d4
commit 10a83cb988
5 changed files with 599 additions and 1 deletions
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142
hw/arm/smmuv3-internal.h Normal file
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/*
* ARM SMMUv3 support - Internal API
*
* Copyright (C) 2014-2016 Broadcom Corporation
* Copyright (c) 2017 Red Hat, Inc.
* Written by Prem Mallappa, Eric Auger
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*
* 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.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, see <http://www.gnu.org/licenses/>.
*/
#ifndef HW_ARM_SMMU_V3_INTERNAL_H
#define HW_ARM_SMMU_V3_INTERNAL_H
#include "hw/arm/smmu-common.h"
/* MMIO Registers */
REG32(IDR0, 0x0)
FIELD(IDR0, S1P, 1 , 1)
FIELD(IDR0, TTF, 2 , 2)
FIELD(IDR0, COHACC, 4 , 1)
FIELD(IDR0, ASID16, 12, 1)
FIELD(IDR0, TTENDIAN, 21, 2)
FIELD(IDR0, STALL_MODEL, 24, 2)
FIELD(IDR0, TERM_MODEL, 26, 1)
FIELD(IDR0, STLEVEL, 27, 2)
REG32(IDR1, 0x4)
FIELD(IDR1, SIDSIZE, 0 , 6)
FIELD(IDR1, EVENTQS, 16, 5)
FIELD(IDR1, CMDQS, 21, 5)
#define SMMU_IDR1_SIDSIZE 16
#define SMMU_CMDQS 19
#define SMMU_EVENTQS 19
REG32(IDR2, 0x8)
REG32(IDR3, 0xc)
REG32(IDR4, 0x10)
REG32(IDR5, 0x14)
FIELD(IDR5, OAS, 0, 3);
FIELD(IDR5, GRAN4K, 4, 1);
FIELD(IDR5, GRAN16K, 5, 1);
FIELD(IDR5, GRAN64K, 6, 1);
#define SMMU_IDR5_OAS 4
REG32(IIDR, 0x1c)
REG32(CR0, 0x20)
FIELD(CR0, SMMU_ENABLE, 0, 1)
FIELD(CR0, EVENTQEN, 2, 1)
FIELD(CR0, CMDQEN, 3, 1)
REG32(CR0ACK, 0x24)
REG32(CR1, 0x28)
REG32(CR2, 0x2c)
REG32(STATUSR, 0x40)
REG32(IRQ_CTRL, 0x50)
FIELD(IRQ_CTRL, GERROR_IRQEN, 0, 1)
FIELD(IRQ_CTRL, PRI_IRQEN, 1, 1)
FIELD(IRQ_CTRL, EVENTQ_IRQEN, 2, 1)
REG32(IRQ_CTRL_ACK, 0x54)
REG32(GERROR, 0x60)
FIELD(GERROR, CMDQ_ERR, 0, 1)
FIELD(GERROR, EVENTQ_ABT_ERR, 2, 1)
FIELD(GERROR, PRIQ_ABT_ERR, 3, 1)
FIELD(GERROR, MSI_CMDQ_ABT_ERR, 4, 1)
FIELD(GERROR, MSI_EVENTQ_ABT_ERR, 5, 1)
FIELD(GERROR, MSI_PRIQ_ABT_ERR, 6, 1)
FIELD(GERROR, MSI_GERROR_ABT_ERR, 7, 1)
FIELD(GERROR, MSI_SFM_ERR, 8, 1)
REG32(GERRORN, 0x64)
#define A_GERROR_IRQ_CFG0 0x68 /* 64b */
REG32(GERROR_IRQ_CFG1, 0x70)
REG32(GERROR_IRQ_CFG2, 0x74)
#define A_STRTAB_BASE 0x80 /* 64b */
#define SMMU_BASE_ADDR_MASK 0xffffffffffe0
REG32(STRTAB_BASE_CFG, 0x88)
FIELD(STRTAB_BASE_CFG, FMT, 16, 2)
FIELD(STRTAB_BASE_CFG, SPLIT, 6 , 5)
FIELD(STRTAB_BASE_CFG, LOG2SIZE, 0 , 6)
#define A_CMDQ_BASE 0x90 /* 64b */
REG32(CMDQ_PROD, 0x98)
REG32(CMDQ_CONS, 0x9c)
FIELD(CMDQ_CONS, ERR, 24, 7)
#define A_EVENTQ_BASE 0xa0 /* 64b */
REG32(EVENTQ_PROD, 0xa8)
REG32(EVENTQ_CONS, 0xac)
#define A_EVENTQ_IRQ_CFG0 0xb0 /* 64b */
REG32(EVENTQ_IRQ_CFG1, 0xb8)
REG32(EVENTQ_IRQ_CFG2, 0xbc)
#define A_IDREGS 0xfd0
static inline int smmu_enabled(SMMUv3State *s)
{
return FIELD_EX32(s->cr[0], CR0, SMMU_ENABLE);
}
/* Command Queue Entry */
typedef struct Cmd {
uint32_t word[4];
} Cmd;
/* Event Queue Entry */
typedef struct Evt {
uint32_t word[8];
} Evt;
static inline uint32_t smmuv3_idreg(int regoffset)
{
/*
* Return the value of the Primecell/Corelink ID registers at the
* specified offset from the first ID register.
* These value indicate an ARM implementation of MMU600 p1
*/
static const uint8_t smmuv3_ids[] = {
0x04, 0, 0, 0, 0x84, 0xB4, 0xF0, 0x10, 0x0D, 0xF0, 0x05, 0xB1
};
return smmuv3_ids[regoffset / 4];
}
#endif