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Re: [PATCH v7 11/18] hw/arm/allwinner-h3: add SDRAM controller device
From: |
Alex Bennée |
Subject: |
Re: [PATCH v7 11/18] hw/arm/allwinner-h3: add SDRAM controller device |
Date: |
Wed, 11 Mar 2020 13:58:36 +0000 |
User-agent: |
mu4e 1.3.9; emacs 28.0.50 |
Niek Linnenbank <address@hidden> writes:
> In the Allwinner H3 SoC the SDRAM controller is responsible
> for interfacing with the external Synchronous Dynamic Random
> Access Memory (SDRAM). Types of memory that the SDRAM controller
> supports are DDR2/DDR3 and capacities of up to 2GiB. This commit
> adds emulation support of the Allwinner H3 SDRAM controller.
>
> Signed-off-by: Niek Linnenbank <address@hidden>
Reviewed-by: Alex Bennée <address@hidden>
> ---
> include/hw/arm/allwinner-h3.h | 5 +
> include/hw/misc/allwinner-h3-dramc.h | 106 ++++++++
> hw/arm/allwinner-h3.c | 19 +-
> hw/arm/orangepi.c | 6 +
> hw/misc/allwinner-h3-dramc.c | 358 +++++++++++++++++++++++++++
> hw/misc/Makefile.objs | 1 +
> hw/misc/trace-events | 10 +
> 7 files changed, 502 insertions(+), 3 deletions(-)
> create mode 100644 include/hw/misc/allwinner-h3-dramc.h
> create mode 100644 hw/misc/allwinner-h3-dramc.c
>
> diff --git a/include/hw/arm/allwinner-h3.h b/include/hw/arm/allwinner-h3.h
> index d338003724..065d020c73 100644
> --- a/include/hw/arm/allwinner-h3.h
> +++ b/include/hw/arm/allwinner-h3.h
> @@ -41,6 +41,7 @@
> #include "hw/intc/arm_gic.h"
> #include "hw/misc/allwinner-h3-ccu.h"
> #include "hw/misc/allwinner-cpucfg.h"
> +#include "hw/misc/allwinner-h3-dramc.h"
> #include "hw/misc/allwinner-h3-sysctrl.h"
> #include "hw/misc/allwinner-sid.h"
> #include "hw/sd/allwinner-sdhost.h"
> @@ -80,6 +81,9 @@ enum {
> AW_H3_UART2,
> AW_H3_UART3,
> AW_H3_EMAC,
> + AW_H3_DRAMCOM,
> + AW_H3_DRAMCTL,
> + AW_H3_DRAMPHY,
> AW_H3_GIC_DIST,
> AW_H3_GIC_CPU,
> AW_H3_GIC_HYP,
> @@ -120,6 +124,7 @@ typedef struct AwH3State {
> AwA10PITState timer;
> AwH3ClockCtlState ccu;
> AwCpuCfgState cpucfg;
> + AwH3DramCtlState dramc;
> AwH3SysCtrlState sysctrl;
> AwSidState sid;
> AwSdHostState mmc0;
> diff --git a/include/hw/misc/allwinner-h3-dramc.h
> b/include/hw/misc/allwinner-h3-dramc.h
> new file mode 100644
> index 0000000000..bacdf236b7
> --- /dev/null
> +++ b/include/hw/misc/allwinner-h3-dramc.h
> @@ -0,0 +1,106 @@
> +/*
> + * Allwinner H3 SDRAM Controller emulation
> + *
> + * Copyright (C) 2019 Niek Linnenbank <address@hidden>
> + *
> + * 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.
> + *
> + * 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_MISC_ALLWINNER_H3_DRAMC_H
> +#define HW_MISC_ALLWINNER_H3_DRAMC_H
> +
> +#include "qom/object.h"
> +#include "hw/sysbus.h"
> +#include "exec/hwaddr.h"
> +
> +/**
> + * Constants
> + * @{
> + */
> +
> +/** Highest register address used by DRAMCOM module */
> +#define AW_H3_DRAMCOM_REGS_MAXADDR (0x804)
> +
> +/** Total number of known DRAMCOM registers */
> +#define AW_H3_DRAMCOM_REGS_NUM (AW_H3_DRAMCOM_REGS_MAXADDR / \
> + sizeof(uint32_t))
> +
> +/** Highest register address used by DRAMCTL module */
> +#define AW_H3_DRAMCTL_REGS_MAXADDR (0x88c)
> +
> +/** Total number of known DRAMCTL registers */
> +#define AW_H3_DRAMCTL_REGS_NUM (AW_H3_DRAMCTL_REGS_MAXADDR / \
> + sizeof(uint32_t))
> +
> +/** Highest register address used by DRAMPHY module */
> +#define AW_H3_DRAMPHY_REGS_MAXADDR (0x4)
> +
> +/** Total number of known DRAMPHY registers */
> +#define AW_H3_DRAMPHY_REGS_NUM (AW_H3_DRAMPHY_REGS_MAXADDR / \
> + sizeof(uint32_t))
> +
> +/** @} */
> +
> +/**
> + * Object model
> + * @{
> + */
> +
> +#define TYPE_AW_H3_DRAMC "allwinner-h3-dramc"
> +#define AW_H3_DRAMC(obj) \
> + OBJECT_CHECK(AwH3DramCtlState, (obj), TYPE_AW_H3_DRAMC)
> +
> +/** @} */
> +
> +/**
> + * Allwinner H3 SDRAM Controller object instance state.
> + */
> +typedef struct AwH3DramCtlState {
> + /*< private >*/
> + SysBusDevice parent_obj;
> + /*< public >*/
> +
> + /** Physical base address for start of RAM */
> + hwaddr ram_addr;
> +
> + /** Total RAM size in megabytes */
> + uint32_t ram_size;
> +
> + /**
> + * @name Memory Regions
> + * @{
> + */
> +
> + MemoryRegion row_mirror; /**< Simulates rows for RAM size
> detection */
> + MemoryRegion row_mirror_alias; /**< Alias of the row which is mirrored */
> + MemoryRegion dramcom_iomem; /**< DRAMCOM module I/O registers */
> + MemoryRegion dramctl_iomem; /**< DRAMCTL module I/O registers */
> + MemoryRegion dramphy_iomem; /**< DRAMPHY module I/O registers */
> +
> + /** @} */
> +
> + /**
> + * @name Hardware Registers
> + * @{
> + */
> +
> + uint32_t dramcom[AW_H3_DRAMCOM_REGS_NUM]; /**< Array of DRAMCOM
> registers */
> + uint32_t dramctl[AW_H3_DRAMCTL_REGS_NUM]; /**< Array of DRAMCTL
> registers */
> + uint32_t dramphy[AW_H3_DRAMPHY_REGS_NUM] ;/**< Array of DRAMPHY
> registers */
> +
> + /** @} */
> +
> +} AwH3DramCtlState;
> +
> +#endif /* HW_MISC_ALLWINNER_H3_DRAMC_H */
> diff --git a/hw/arm/allwinner-h3.c b/hw/arm/allwinner-h3.c
> index 56b5c563a8..0e0fea6223 100644
> --- a/hw/arm/allwinner-h3.c
> +++ b/hw/arm/allwinner-h3.c
> @@ -56,6 +56,9 @@ const hwaddr allwinner_h3_memmap[] = {
> [AW_H3_UART2] = 0x01c28800,
> [AW_H3_UART3] = 0x01c28c00,
> [AW_H3_EMAC] = 0x01c30000,
> + [AW_H3_DRAMCOM] = 0x01c62000,
> + [AW_H3_DRAMCTL] = 0x01c63000,
> + [AW_H3_DRAMPHY] = 0x01c65000,
> [AW_H3_GIC_DIST] = 0x01c81000,
> [AW_H3_GIC_CPU] = 0x01c82000,
> [AW_H3_GIC_HYP] = 0x01c84000,
> @@ -110,9 +113,6 @@ struct AwH3Unimplemented {
> { "scr", 0x01c2c400, 1 * KiB },
> { "gpu", 0x01c40000, 64 * KiB },
> { "hstmr", 0x01c60000, 4 * KiB },
> - { "dramcom", 0x01c62000, 4 * KiB },
> - { "dramctl0", 0x01c63000, 4 * KiB },
> - { "dramphy0", 0x01c65000, 4 * KiB },
> { "spi0", 0x01c68000, 4 * KiB },
> { "spi1", 0x01c69000, 4 * KiB },
> { "csi", 0x01cb0000, 320 * KiB },
> @@ -229,6 +229,13 @@ static void allwinner_h3_init(Object *obj)
>
> sysbus_init_child_obj(obj, "emac", &s->emac, sizeof(s->emac),
> TYPE_AW_SUN8I_EMAC);
> +
> + sysbus_init_child_obj(obj, "dramc", &s->dramc, sizeof(s->dramc),
> + TYPE_AW_H3_DRAMC);
> + object_property_add_alias(obj, "ram-addr", OBJECT(&s->dramc),
> + "ram-addr", &error_abort);
> + object_property_add_alias(obj, "ram-size", OBJECT(&s->dramc),
> + "ram-size", &error_abort);
> }
>
> static void allwinner_h3_realize(DeviceState *dev, Error **errp)
> @@ -413,6 +420,12 @@ static void allwinner_h3_realize(DeviceState *dev, Error
> **errp)
> qdev_get_gpio_in(DEVICE(&s->gic), AW_H3_GIC_SPI_UART3),
> 115200, serial_hd(3), DEVICE_NATIVE_ENDIAN);
>
> + /* DRAMC */
> + qdev_init_nofail(DEVICE(&s->dramc));
> + sysbus_mmio_map(SYS_BUS_DEVICE(&s->dramc), 0, s->memmap[AW_H3_DRAMCOM]);
> + sysbus_mmio_map(SYS_BUS_DEVICE(&s->dramc), 1, s->memmap[AW_H3_DRAMCTL]);
> + sysbus_mmio_map(SYS_BUS_DEVICE(&s->dramc), 2, s->memmap[AW_H3_DRAMPHY]);
> +
> /* Unimplemented devices */
> for (i = 0; i < ARRAY_SIZE(unimplemented); i++) {
> create_unimplemented_device(unimplemented[i].device_name,
> diff --git a/hw/arm/orangepi.c b/hw/arm/orangepi.c
> index 1c32d2898f..be05a533b5 100644
> --- a/hw/arm/orangepi.c
> +++ b/hw/arm/orangepi.c
> @@ -81,6 +81,12 @@ static void orangepi_init(MachineState *machine)
> /* Setup EMAC properties */
> object_property_set_int(OBJECT(&h3->emac), 1, "phy-addr", &error_abort);
>
> + /* DRAMC */
> + object_property_set_uint(OBJECT(h3), h3->memmap[AW_H3_SDRAM],
> + "ram-addr", &error_abort);
> + object_property_set_int(OBJECT(h3), machine->ram_size / MiB, "ram-size",
> + &error_abort);
> +
> /* Mark H3 object realized */
> object_property_set_bool(OBJECT(h3), true, "realized", &error_abort);
>
> diff --git a/hw/misc/allwinner-h3-dramc.c b/hw/misc/allwinner-h3-dramc.c
> new file mode 100644
> index 0000000000..2b5260260e
> --- /dev/null
> +++ b/hw/misc/allwinner-h3-dramc.c
> @@ -0,0 +1,358 @@
> +/*
> + * Allwinner H3 SDRAM Controller emulation
> + *
> + * Copyright (C) 2019 Niek Linnenbank <address@hidden>
> + *
> + * 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.
> + *
> + * You should have received a copy of the GNU General Public License
> + * along with this program. If not, see <http://www.gnu.org/licenses/>.
> + */
> +
> +#include "qemu/osdep.h"
> +#include "qemu/units.h"
> +#include "qemu/error-report.h"
> +#include "hw/sysbus.h"
> +#include "migration/vmstate.h"
> +#include "qemu/log.h"
> +#include "qemu/module.h"
> +#include "exec/address-spaces.h"
> +#include "hw/qdev-properties.h"
> +#include "qapi/error.h"
> +#include "hw/misc/allwinner-h3-dramc.h"
> +#include "trace.h"
> +
> +#define REG_INDEX(offset) (offset / sizeof(uint32_t))
> +
> +/* DRAMCOM register offsets */
> +enum {
> + REG_DRAMCOM_CR = 0x0000, /* Control Register */
> +};
> +
> +/* DRAMCTL register offsets */
> +enum {
> + REG_DRAMCTL_PIR = 0x0000, /* PHY Initialization Register */
> + REG_DRAMCTL_PGSR = 0x0010, /* PHY General Status Register */
> + REG_DRAMCTL_STATR = 0x0018, /* Status Register */
> +};
> +
> +/* DRAMCTL register flags */
> +enum {
> + REG_DRAMCTL_PGSR_INITDONE = (1 << 0),
> +};
> +
> +enum {
> + REG_DRAMCTL_STATR_ACTIVE = (1 << 0),
> +};
> +
> +static void allwinner_h3_dramc_map_rows(AwH3DramCtlState *s, uint8_t
> row_bits,
> + uint8_t bank_bits, uint16_t
> page_size)
> +{
> + /*
> + * This function simulates row addressing behavior when bootloader
> + * software attempts to detect the amount of available SDRAM. In U-Boot
> + * the controller is configured with the widest row addressing available.
> + * Then a pattern is written to RAM at an offset on the row boundary
> size.
> + * If the value read back equals the value read back from the
> + * start of RAM, the bootloader knows the amount of row bits.
> + *
> + * This function inserts a mirrored memory region when the configured row
> + * bits are not matching the actual emulated memory, to simulate the
> + * same behavior on hardware as expected by the bootloader.
> + */
> + uint8_t row_bits_actual = 0;
> +
> + /* Calculate the actual row bits using the ram_size property */
> + for (uint8_t i = 8; i < 12; i++) {
> + if (1 << i == s->ram_size) {
> + row_bits_actual = i + 3;
> + break;
> + }
> + }
> +
> + if (s->ram_size == (1 << (row_bits - 3))) {
> + /* When row bits is the expected value, remove the mirror */
> + memory_region_set_enabled(&s->row_mirror_alias, false);
> + trace_allwinner_h3_dramc_rowmirror_disable();
> +
> + } else if (row_bits_actual) {
> + /* Row bits not matching ram_size, install the rows mirror */
> + hwaddr row_mirror = s->ram_addr + ((1 << (row_bits_actual +
> + bank_bits)) * page_size);
> +
> + memory_region_set_enabled(&s->row_mirror_alias, true);
> + memory_region_set_address(&s->row_mirror_alias, row_mirror);
> +
> + trace_allwinner_h3_dramc_rowmirror_enable(row_mirror);
> + }
> +}
> +
> +static uint64_t allwinner_h3_dramcom_read(void *opaque, hwaddr offset,
> + unsigned size)
> +{
> + const AwH3DramCtlState *s = AW_H3_DRAMC(opaque);
> + const uint32_t idx = REG_INDEX(offset);
> +
> + if (idx >= AW_H3_DRAMCOM_REGS_NUM) {
> + qemu_log_mask(LOG_GUEST_ERROR, "%s: out-of-bounds offset 0x%04x\n",
> + __func__, (uint32_t)offset);
> + return 0;
> + }
> +
> + trace_allwinner_h3_dramcom_read(offset, s->dramcom[idx], size);
> +
> + return s->dramcom[idx];
> +}
> +
> +static void allwinner_h3_dramcom_write(void *opaque, hwaddr offset,
> + uint64_t val, unsigned size)
> +{
> + AwH3DramCtlState *s = AW_H3_DRAMC(opaque);
> + const uint32_t idx = REG_INDEX(offset);
> +
> + trace_allwinner_h3_dramcom_write(offset, val, size);
> +
> + if (idx >= AW_H3_DRAMCOM_REGS_NUM) {
> + qemu_log_mask(LOG_GUEST_ERROR, "%s: out-of-bounds offset 0x%04x\n",
> + __func__, (uint32_t)offset);
> + return;
> + }
> +
> + switch (offset) {
> + case REG_DRAMCOM_CR: /* Control Register */
> + allwinner_h3_dramc_map_rows(s, ((val >> 4) & 0xf) + 1,
> + ((val >> 2) & 0x1) + 2,
> + 1 << (((val >> 8) & 0xf) + 3));
> + break;
> + default:
> + break;
> + };
> +
> + s->dramcom[idx] = (uint32_t) val;
> +}
> +
> +static uint64_t allwinner_h3_dramctl_read(void *opaque, hwaddr offset,
> + unsigned size)
> +{
> + const AwH3DramCtlState *s = AW_H3_DRAMC(opaque);
> + const uint32_t idx = REG_INDEX(offset);
> +
> + if (idx >= AW_H3_DRAMCTL_REGS_NUM) {
> + qemu_log_mask(LOG_GUEST_ERROR, "%s: out-of-bounds offset 0x%04x\n",
> + __func__, (uint32_t)offset);
> + return 0;
> + }
> +
> + trace_allwinner_h3_dramctl_read(offset, s->dramctl[idx], size);
> +
> + return s->dramctl[idx];
> +}
> +
> +static void allwinner_h3_dramctl_write(void *opaque, hwaddr offset,
> + uint64_t val, unsigned size)
> +{
> + AwH3DramCtlState *s = AW_H3_DRAMC(opaque);
> + const uint32_t idx = REG_INDEX(offset);
> +
> + trace_allwinner_h3_dramctl_write(offset, val, size);
> +
> + if (idx >= AW_H3_DRAMCTL_REGS_NUM) {
> + qemu_log_mask(LOG_GUEST_ERROR, "%s: out-of-bounds offset 0x%04x\n",
> + __func__, (uint32_t)offset);
> + return;
> + }
> +
> + switch (offset) {
> + case REG_DRAMCTL_PIR: /* PHY Initialization Register */
> + s->dramctl[REG_INDEX(REG_DRAMCTL_PGSR)] |= REG_DRAMCTL_PGSR_INITDONE;
> + s->dramctl[REG_INDEX(REG_DRAMCTL_STATR)] |= REG_DRAMCTL_STATR_ACTIVE;
> + break;
> + default:
> + break;
> + }
> +
> + s->dramctl[idx] = (uint32_t) val;
> +}
> +
> +static uint64_t allwinner_h3_dramphy_read(void *opaque, hwaddr offset,
> + unsigned size)
> +{
> + const AwH3DramCtlState *s = AW_H3_DRAMC(opaque);
> + const uint32_t idx = REG_INDEX(offset);
> +
> + if (idx >= AW_H3_DRAMPHY_REGS_NUM) {
> + qemu_log_mask(LOG_GUEST_ERROR, "%s: out-of-bounds offset 0x%04x\n",
> + __func__, (uint32_t)offset);
> + return 0;
> + }
> +
> + trace_allwinner_h3_dramphy_read(offset, s->dramphy[idx], size);
> +
> + return s->dramphy[idx];
> +}
> +
> +static void allwinner_h3_dramphy_write(void *opaque, hwaddr offset,
> + uint64_t val, unsigned size)
> +{
> + AwH3DramCtlState *s = AW_H3_DRAMC(opaque);
> + const uint32_t idx = REG_INDEX(offset);
> +
> + trace_allwinner_h3_dramphy_write(offset, val, size);
> +
> + if (idx >= AW_H3_DRAMPHY_REGS_NUM) {
> + qemu_log_mask(LOG_GUEST_ERROR, "%s: out-of-bounds offset 0x%04x\n",
> + __func__, (uint32_t)offset);
> + return;
> + }
> +
> + s->dramphy[idx] = (uint32_t) val;
> +}
> +
> +static const MemoryRegionOps allwinner_h3_dramcom_ops = {
> + .read = allwinner_h3_dramcom_read,
> + .write = allwinner_h3_dramcom_write,
> + .endianness = DEVICE_NATIVE_ENDIAN,
> + .valid = {
> + .min_access_size = 4,
> + .max_access_size = 4,
> + },
> + .impl.min_access_size = 4,
> +};
> +
> +static const MemoryRegionOps allwinner_h3_dramctl_ops = {
> + .read = allwinner_h3_dramctl_read,
> + .write = allwinner_h3_dramctl_write,
> + .endianness = DEVICE_NATIVE_ENDIAN,
> + .valid = {
> + .min_access_size = 4,
> + .max_access_size = 4,
> + },
> + .impl.min_access_size = 4,
> +};
> +
> +static const MemoryRegionOps allwinner_h3_dramphy_ops = {
> + .read = allwinner_h3_dramphy_read,
> + .write = allwinner_h3_dramphy_write,
> + .endianness = DEVICE_NATIVE_ENDIAN,
> + .valid = {
> + .min_access_size = 4,
> + .max_access_size = 4,
> + },
> + .impl.min_access_size = 4,
> +};
> +
> +static void allwinner_h3_dramc_reset(DeviceState *dev)
> +{
> + AwH3DramCtlState *s = AW_H3_DRAMC(dev);
> +
> + /* Set default values for registers */
> + memset(&s->dramcom, 0, sizeof(s->dramcom));
> + memset(&s->dramctl, 0, sizeof(s->dramctl));
> + memset(&s->dramphy, 0, sizeof(s->dramphy));
> +}
> +
> +static void allwinner_h3_dramc_realize(DeviceState *dev, Error **errp)
> +{
> + AwH3DramCtlState *s = AW_H3_DRAMC(dev);
> +
> + /* Only power of 2 RAM sizes from 256MiB up to 2048MiB are supported */
> + for (uint8_t i = 8; i < 13; i++) {
> + if (1 << i == s->ram_size) {
> + break;
> + } else if (i == 12) {
> + error_report("%s: ram-size %u MiB is not supported",
> + __func__, s->ram_size);
> + exit(1);
> + }
> + }
> +
> + /* Setup row mirror mappings */
> + memory_region_init_ram(&s->row_mirror, OBJECT(s),
> + "allwinner-h3-dramc.row-mirror",
> + 4 * KiB, &error_abort);
> + memory_region_add_subregion_overlap(get_system_memory(), s->ram_addr,
> + &s->row_mirror, 10);
> +
> + memory_region_init_alias(&s->row_mirror_alias, OBJECT(s),
> + "allwinner-h3-dramc.row-mirror-alias",
> + &s->row_mirror, 0, 4 * KiB);
> + memory_region_add_subregion_overlap(get_system_memory(),
> + s->ram_addr + 1 * MiB,
> + &s->row_mirror_alias, 10);
> + memory_region_set_enabled(&s->row_mirror_alias, false);
> +}
> +
> +static void allwinner_h3_dramc_init(Object *obj)
> +{
> + SysBusDevice *sbd = SYS_BUS_DEVICE(obj);
> + AwH3DramCtlState *s = AW_H3_DRAMC(obj);
> +
> + /* DRAMCOM registers */
> + memory_region_init_io(&s->dramcom_iomem, OBJECT(s),
> + &allwinner_h3_dramcom_ops, s,
> + TYPE_AW_H3_DRAMC, 4 * KiB);
> + sysbus_init_mmio(sbd, &s->dramcom_iomem);
> +
> + /* DRAMCTL registers */
> + memory_region_init_io(&s->dramctl_iomem, OBJECT(s),
> + &allwinner_h3_dramctl_ops, s,
> + TYPE_AW_H3_DRAMC, 4 * KiB);
> + sysbus_init_mmio(sbd, &s->dramctl_iomem);
> +
> + /* DRAMPHY registers */
> + memory_region_init_io(&s->dramphy_iomem, OBJECT(s),
> + &allwinner_h3_dramphy_ops, s,
> + TYPE_AW_H3_DRAMC, 4 * KiB);
> + sysbus_init_mmio(sbd, &s->dramphy_iomem);
> +}
> +
> +static Property allwinner_h3_dramc_properties[] = {
> + DEFINE_PROP_UINT64("ram-addr", AwH3DramCtlState, ram_addr, 0x0),
> + DEFINE_PROP_UINT32("ram-size", AwH3DramCtlState, ram_size, 256 * MiB),
> + DEFINE_PROP_END_OF_LIST()
> +};
> +
> +static const VMStateDescription allwinner_h3_dramc_vmstate = {
> + .name = "allwinner-h3-dramc",
> + .version_id = 1,
> + .minimum_version_id = 1,
> + .fields = (VMStateField[]) {
> + VMSTATE_UINT32_ARRAY(dramcom, AwH3DramCtlState,
> AW_H3_DRAMCOM_REGS_NUM),
> + VMSTATE_UINT32_ARRAY(dramctl, AwH3DramCtlState,
> AW_H3_DRAMCTL_REGS_NUM),
> + VMSTATE_UINT32_ARRAY(dramphy, AwH3DramCtlState,
> AW_H3_DRAMPHY_REGS_NUM),
> + VMSTATE_END_OF_LIST()
> + }
> +};
> +
> +static void allwinner_h3_dramc_class_init(ObjectClass *klass, void *data)
> +{
> + DeviceClass *dc = DEVICE_CLASS(klass);
> +
> + dc->reset = allwinner_h3_dramc_reset;
> + dc->vmsd = &allwinner_h3_dramc_vmstate;
> + dc->realize = allwinner_h3_dramc_realize;
> + device_class_set_props(dc, allwinner_h3_dramc_properties);
> +}
> +
> +static const TypeInfo allwinner_h3_dramc_info = {
> + .name = TYPE_AW_H3_DRAMC,
> + .parent = TYPE_SYS_BUS_DEVICE,
> + .instance_init = allwinner_h3_dramc_init,
> + .instance_size = sizeof(AwH3DramCtlState),
> + .class_init = allwinner_h3_dramc_class_init,
> +};
> +
> +static void allwinner_h3_dramc_register(void)
> +{
> + type_register_static(&allwinner_h3_dramc_info);
> +}
> +
> +type_init(allwinner_h3_dramc_register)
> diff --git a/hw/misc/Makefile.objs b/hw/misc/Makefile.objs
> index daa734036e..68aae2eabb 100644
> --- a/hw/misc/Makefile.objs
> +++ b/hw/misc/Makefile.objs
> @@ -30,6 +30,7 @@ common-obj-$(CONFIG_IVSHMEM_DEVICE) += ivshmem.o
>
> common-obj-$(CONFIG_ALLWINNER_H3) += allwinner-h3-ccu.o
> obj-$(CONFIG_ALLWINNER_H3) += allwinner-cpucfg.o
> +common-obj-$(CONFIG_ALLWINNER_H3) += allwinner-h3-dramc.o
> common-obj-$(CONFIG_ALLWINNER_H3) += allwinner-h3-sysctrl.o
> common-obj-$(CONFIG_ALLWINNER_H3) += allwinner-sid.o
> common-obj-$(CONFIG_REALVIEW) += arm_sysctl.o
> diff --git a/hw/misc/trace-events b/hw/misc/trace-events
> index 4f38328d9c..a5862b2bed 100644
> --- a/hw/misc/trace-events
> +++ b/hw/misc/trace-events
> @@ -5,6 +5,16 @@ allwinner_cpucfg_cpu_reset(uint8_t cpu_id, uint32_t
> reset_addr) "id %u, reset_ad
> allwinner_cpucfg_read(uint64_t offset, uint64_t data, unsigned size) "offset
> 0x%" PRIx64 " data 0x%" PRIx64 " size %" PRIu32
> allwinner_cpucfg_write(uint64_t offset, uint64_t data, unsigned size)
> "offset 0x%" PRIx64 " data 0x%" PRIx64 " size %" PRIu32
>
> +# allwinner-h3-dramc.c
> +allwinner_h3_dramc_rowmirror_disable(void) "Disable row mirror"
> +allwinner_h3_dramc_rowmirror_enable(uint64_t addr) "Enable row mirror: addr
> 0x%" PRIx64
> +allwinner_h3_dramcom_read(uint64_t offset, uint64_t data, unsigned size)
> "Read: offset 0x%" PRIx64 " data 0x%" PRIx64 " size %" PRIu32
> +allwinner_h3_dramcom_write(uint64_t offset, uint64_t data, unsigned size)
> "Write: offset 0x%" PRIx64 " data 0x%" PRIx64 " size %" PRIu32
> +allwinner_h3_dramctl_read(uint64_t offset, uint64_t data, unsigned size)
> "Read: offset 0x%" PRIx64 " data 0x%" PRIx64 " size %" PRIu32
> +allwinner_h3_dramctl_write(uint64_t offset, uint64_t data, unsigned size)
> "Write: offset 0x%" PRIx64 " data 0x%" PRIx64 " size %" PRIu32
> +allwinner_h3_dramphy_read(uint64_t offset, uint64_t data, unsigned size)
> "Read: offset 0x%" PRIx64 " data 0x%" PRIx64 " size %" PRIu32
> +allwinner_h3_dramphy_write(uint64_t offset, uint64_t data, unsigned size)
> "write: offset 0x%" PRIx64 " data 0x%" PRIx64 " size %" PRIu32
> +
> # allwinner-sid.c
> allwinner_sid_read(uint64_t offset, uint64_t data, unsigned size) "offset
> 0x%" PRIx64 " data 0x%" PRIx64 " size %" PRIu32
> allwinner_sid_write(uint64_t offset, uint64_t data, unsigned size) "offset
> 0x%" PRIx64 " data 0x%" PRIx64 " size %" PRIu32
--
Alex Bennée
- Re: [PATCH v7 07/18] hw/arm/allwinner: add Security Identifier device, (continued)
- [PATCH v7 06/18] hw/arm/allwinner: add CPU Configuration module, Niek Linnenbank, 2020/03/10
- [PATCH v7 10/18] hw/arm/allwinner-h3: add Boot ROM support, Niek Linnenbank, 2020/03/10
- [PATCH v7 13/18] tests/boot_linux_console: Add a quick test for the OrangePi PC board, Niek Linnenbank, 2020/03/10
- [PATCH v7 14/18] tests/boot_linux_console: Add initrd test for the Orange Pi PC board, Niek Linnenbank, 2020/03/10
- [PATCH v7 11/18] hw/arm/allwinner-h3: add SDRAM controller device, Niek Linnenbank, 2020/03/10
- Re: [PATCH v7 11/18] hw/arm/allwinner-h3: add SDRAM controller device,
Alex Bennée <=
- [PATCH v7 15/18] tests/boot_linux_console: Add a SD card test for the OrangePi PC board, Niek Linnenbank, 2020/03/10
- [PATCH v7 16/18] tests/boot_linux_console: Add a SLOW test booting Ubuntu on OrangePi PC, Niek Linnenbank, 2020/03/10
- [PATCH v7 12/18] hw/arm/allwinner: add RTC device support, Niek Linnenbank, 2020/03/10
- [PATCH v7 17/18] tests/boot_linux_console: Test booting NetBSD via U-Boot on OrangePi PC, Niek Linnenbank, 2020/03/10
- [PATCH v7 08/18] hw/arm/allwinner: add SD/MMC host controller, Niek Linnenbank, 2020/03/10
- [PATCH v7 09/18] hw/arm/allwinner-h3: add EMAC ethernet device, Niek Linnenbank, 2020/03/10