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qemu/hw/arm/fsl-imx6.c
Peter Maydell d649689a8e * Bugfixes all over the place 
* get/set_uint cleanups (Felipe)
 * Lock guard support (Stefan)
 * MemoryRegion ownership cleanup (Philippe)
 * AVX512 optimization for buffer_is_zero (Robert)
 -----BEGIN PGP SIGNATURE-----
 Version: GnuPG v2.0.22 (GNU/Linux)
 
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Merge remote-tracking branch 'remotes/bonzini/tags/for-upstream' into staging

* Bugfixes all over the place
* get/set_uint cleanups (Felipe)
* Lock guard support (Stefan)
* MemoryRegion ownership cleanup (Philippe)
* AVX512 optimization for buffer_is_zero (Robert)

# gpg: Signature made Tue 17 Mar 2020 15:01:54 GMT
# gpg:                using RSA key BFFBD25F78C7AE83
# gpg: Good signature from "Paolo Bonzini <bonzini@gnu.org>" [full]
# gpg:                 aka "Paolo Bonzini <pbonzini@redhat.com>" [full]
# Primary key fingerprint: 46F5 9FBD 57D6 12E7 BFD4  E2F7 7E15 100C CD36 69B1
#      Subkey fingerprint: F133 3857 4B66 2389 866C  7682 BFFB D25F 78C7 AE83

* remotes/bonzini/tags/for-upstream: (62 commits)
  hw/arm: Let devices own the MemoryRegion they create
  hw/arm: Remove unnecessary memory_region_set_readonly() on ROM alias
  hw/ppc/ppc405: Use memory_region_init_rom() with read-only regions
  hw/arm/stm32: Use memory_region_init_rom() with read-only regions
  hw/char: Let devices own the MemoryRegion they create
  hw/riscv: Let devices own the MemoryRegion they create
  hw/dma: Let devices own the MemoryRegion they create
  hw/display: Let devices own the MemoryRegion they create
  hw/core: Let devices own the MemoryRegion they create
  scripts/cocci: Patch to let devices own their MemoryRegions
  scripts/cocci: Patch to remove unnecessary memory_region_set_readonly()
  scripts/cocci: Patch to detect potential use of memory_region_init_rom
  hw/sparc: Use memory_region_init_rom() with read-only regions
  hw/sh4: Use memory_region_init_rom() with read-only regions
  hw/riscv: Use memory_region_init_rom() with read-only regions
  hw/ppc: Use memory_region_init_rom() with read-only regions
  hw/pci-host: Use memory_region_init_rom() with read-only regions
  hw/net: Use memory_region_init_rom() with read-only regions
  hw/m68k: Use memory_region_init_rom() with read-only regions
  hw/display: Use memory_region_init_rom() with read-only regions
  ...

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2020-03-17 18:33:05 +00:00

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/*
* Copyright (c) 2015 Jean-Christophe Dubois <jcd@tribudubois.net>
*
* i.MX6 SOC emulation.
*
* Based on hw/arm/fsl-imx31.c
*
* 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 "qapi/error.h"
#include "hw/arm/fsl-imx6.h"
#include "hw/usb/imx-usb-phy.h"
#include "hw/boards.h"
#include "hw/qdev-properties.h"
#include "sysemu/sysemu.h"
#include "chardev/char.h"
#include "qemu/error-report.h"
#include "qemu/module.h"
#define IMX6_ESDHC_CAPABILITIES 0x057834b4
#define NAME_SIZE 20
static void fsl_imx6_init(Object *obj)
{
MachineState *ms = MACHINE(qdev_get_machine());
FslIMX6State *s = FSL_IMX6(obj);
char name[NAME_SIZE];
int i;
for (i = 0; i < MIN(ms->smp.cpus, FSL_IMX6_NUM_CPUS); i++) {
snprintf(name, NAME_SIZE, "cpu%d", i);
object_initialize_child(obj, name, &s->cpu[i], sizeof(s->cpu[i]),
ARM_CPU_TYPE_NAME("cortex-a9"),
&error_abort, NULL);
}
sysbus_init_child_obj(obj, "a9mpcore", &s->a9mpcore, sizeof(s->a9mpcore),
TYPE_A9MPCORE_PRIV);
sysbus_init_child_obj(obj, "ccm", &s->ccm, sizeof(s->ccm), TYPE_IMX6_CCM);
sysbus_init_child_obj(obj, "src", &s->src, sizeof(s->src), TYPE_IMX6_SRC);
for (i = 0; i < FSL_IMX6_NUM_UARTS; i++) {
snprintf(name, NAME_SIZE, "uart%d", i + 1);
sysbus_init_child_obj(obj, name, &s->uart[i], sizeof(s->uart[i]),
TYPE_IMX_SERIAL);
}
sysbus_init_child_obj(obj, "gpt", &s->gpt, sizeof(s->gpt), TYPE_IMX6_GPT);
for (i = 0; i < FSL_IMX6_NUM_EPITS; i++) {
snprintf(name, NAME_SIZE, "epit%d", i + 1);
sysbus_init_child_obj(obj, name, &s->epit[i], sizeof(s->epit[i]),
TYPE_IMX_EPIT);
}
for (i = 0; i < FSL_IMX6_NUM_I2CS; i++) {
snprintf(name, NAME_SIZE, "i2c%d", i + 1);
sysbus_init_child_obj(obj, name, &s->i2c[i], sizeof(s->i2c[i]),
TYPE_IMX_I2C);
}
for (i = 0; i < FSL_IMX6_NUM_GPIOS; i++) {
snprintf(name, NAME_SIZE, "gpio%d", i + 1);
sysbus_init_child_obj(obj, name, &s->gpio[i], sizeof(s->gpio[i]),
TYPE_IMX_GPIO);
}
for (i = 0; i < FSL_IMX6_NUM_ESDHCS; i++) {
snprintf(name, NAME_SIZE, "sdhc%d", i + 1);
sysbus_init_child_obj(obj, name, &s->esdhc[i], sizeof(s->esdhc[i]),
TYPE_IMX_USDHC);
}
for (i = 0; i < FSL_IMX6_NUM_USB_PHYS; i++) {
snprintf(name, NAME_SIZE, "usbphy%d", i);
sysbus_init_child_obj(obj, name, &s->usbphy[i], sizeof(s->usbphy[i]),
TYPE_IMX_USBPHY);
}
for (i = 0; i < FSL_IMX6_NUM_USBS; i++) {
snprintf(name, NAME_SIZE, "usb%d", i);
sysbus_init_child_obj(obj, name, &s->usb[i], sizeof(s->usb[i]),
TYPE_CHIPIDEA);
}
for (i = 0; i < FSL_IMX6_NUM_ECSPIS; i++) {
snprintf(name, NAME_SIZE, "spi%d", i + 1);
sysbus_init_child_obj(obj, name, &s->spi[i], sizeof(s->spi[i]),
TYPE_IMX_SPI);
}
for (i = 0; i < FSL_IMX6_NUM_WDTS; i++) {
snprintf(name, NAME_SIZE, "wdt%d", i);
sysbus_init_child_obj(obj, name, &s->wdt[i], sizeof(s->wdt[i]),
TYPE_IMX2_WDT);
}
sysbus_init_child_obj(obj, "eth", &s->eth, sizeof(s->eth), TYPE_IMX_ENET);
}
static void fsl_imx6_realize(DeviceState *dev, Error **errp)
{
MachineState *ms = MACHINE(qdev_get_machine());
FslIMX6State *s = FSL_IMX6(dev);
uint16_t i;
Error *err = NULL;
unsigned int smp_cpus = ms->smp.cpus;
if (smp_cpus > FSL_IMX6_NUM_CPUS) {
error_setg(errp, "%s: Only %d CPUs are supported (%d requested)",
TYPE_FSL_IMX6, FSL_IMX6_NUM_CPUS, smp_cpus);
return;
}
for (i = 0; i < smp_cpus; i++) {
/* On uniprocessor, the CBAR is set to 0 */
if (smp_cpus > 1) {
object_property_set_int(OBJECT(&s->cpu[i]), FSL_IMX6_A9MPCORE_ADDR,
"reset-cbar", &error_abort);
}
/* All CPU but CPU 0 start in power off mode */
if (i) {
object_property_set_bool(OBJECT(&s->cpu[i]), true,
"start-powered-off", &error_abort);
}
object_property_set_bool(OBJECT(&s->cpu[i]), true, "realized", &err);
if (err) {
error_propagate(errp, err);
return;
}
}
object_property_set_int(OBJECT(&s->a9mpcore), smp_cpus, "num-cpu",
&error_abort);
object_property_set_int(OBJECT(&s->a9mpcore),
FSL_IMX6_MAX_IRQ + GIC_INTERNAL, "num-irq",
&error_abort);
object_property_set_bool(OBJECT(&s->a9mpcore), true, "realized", &err);
if (err) {
error_propagate(errp, err);
return;
}
sysbus_mmio_map(SYS_BUS_DEVICE(&s->a9mpcore), 0, FSL_IMX6_A9MPCORE_ADDR);
for (i = 0; i < smp_cpus; i++) {
sysbus_connect_irq(SYS_BUS_DEVICE(&s->a9mpcore), i,
qdev_get_gpio_in(DEVICE(&s->cpu[i]), ARM_CPU_IRQ));
sysbus_connect_irq(SYS_BUS_DEVICE(&s->a9mpcore), i + smp_cpus,
qdev_get_gpio_in(DEVICE(&s->cpu[i]), ARM_CPU_FIQ));
}
object_property_set_bool(OBJECT(&s->ccm), true, "realized", &err);
if (err) {
error_propagate(errp, err);
return;
}
sysbus_mmio_map(SYS_BUS_DEVICE(&s->ccm), 0, FSL_IMX6_CCM_ADDR);
object_property_set_bool(OBJECT(&s->src), true, "realized", &err);
if (err) {
error_propagate(errp, err);
return;
}
sysbus_mmio_map(SYS_BUS_DEVICE(&s->src), 0, FSL_IMX6_SRC_ADDR);
/* Initialize all UARTs */
for (i = 0; i < FSL_IMX6_NUM_UARTS; i++) {
static const struct {
hwaddr addr;
unsigned int irq;
} serial_table[FSL_IMX6_NUM_UARTS] = {
{ FSL_IMX6_UART1_ADDR, FSL_IMX6_UART1_IRQ },
{ FSL_IMX6_UART2_ADDR, FSL_IMX6_UART2_IRQ },
{ FSL_IMX6_UART3_ADDR, FSL_IMX6_UART3_IRQ },
{ FSL_IMX6_UART4_ADDR, FSL_IMX6_UART4_IRQ },
{ FSL_IMX6_UART5_ADDR, FSL_IMX6_UART5_IRQ },
};
qdev_prop_set_chr(DEVICE(&s->uart[i]), "chardev", serial_hd(i));
object_property_set_bool(OBJECT(&s->uart[i]), true, "realized", &err);
if (err) {
error_propagate(errp, err);
return;
}
sysbus_mmio_map(SYS_BUS_DEVICE(&s->uart[i]), 0, serial_table[i].addr);
sysbus_connect_irq(SYS_BUS_DEVICE(&s->uart[i]), 0,
qdev_get_gpio_in(DEVICE(&s->a9mpcore),
serial_table[i].irq));
}
s->gpt.ccm = IMX_CCM(&s->ccm);
object_property_set_bool(OBJECT(&s->gpt), true, "realized", &err);
if (err) {
error_propagate(errp, err);
return;
}
sysbus_mmio_map(SYS_BUS_DEVICE(&s->gpt), 0, FSL_IMX6_GPT_ADDR);
sysbus_connect_irq(SYS_BUS_DEVICE(&s->gpt), 0,
qdev_get_gpio_in(DEVICE(&s->a9mpcore),
FSL_IMX6_GPT_IRQ));
/* Initialize all EPIT timers */
for (i = 0; i < FSL_IMX6_NUM_EPITS; i++) {
static const struct {
hwaddr addr;
unsigned int irq;
} epit_table[FSL_IMX6_NUM_EPITS] = {
{ FSL_IMX6_EPIT1_ADDR, FSL_IMX6_EPIT1_IRQ },
{ FSL_IMX6_EPIT2_ADDR, FSL_IMX6_EPIT2_IRQ },
};
s->epit[i].ccm = IMX_CCM(&s->ccm);
object_property_set_bool(OBJECT(&s->epit[i]), true, "realized", &err);
if (err) {
error_propagate(errp, err);
return;
}
sysbus_mmio_map(SYS_BUS_DEVICE(&s->epit[i]), 0, epit_table[i].addr);
sysbus_connect_irq(SYS_BUS_DEVICE(&s->epit[i]), 0,
qdev_get_gpio_in(DEVICE(&s->a9mpcore),
epit_table[i].irq));
}
/* Initialize all I2C */
for (i = 0; i < FSL_IMX6_NUM_I2CS; i++) {
static const struct {
hwaddr addr;
unsigned int irq;
} i2c_table[FSL_IMX6_NUM_I2CS] = {
{ FSL_IMX6_I2C1_ADDR, FSL_IMX6_I2C1_IRQ },
{ FSL_IMX6_I2C2_ADDR, FSL_IMX6_I2C2_IRQ },
{ FSL_IMX6_I2C3_ADDR, FSL_IMX6_I2C3_IRQ }
};
object_property_set_bool(OBJECT(&s->i2c[i]), true, "realized", &err);
if (err) {
error_propagate(errp, err);
return;
}
sysbus_mmio_map(SYS_BUS_DEVICE(&s->i2c[i]), 0, i2c_table[i].addr);
sysbus_connect_irq(SYS_BUS_DEVICE(&s->i2c[i]), 0,
qdev_get_gpio_in(DEVICE(&s->a9mpcore),
i2c_table[i].irq));
}
/* Initialize all GPIOs */
for (i = 0; i < FSL_IMX6_NUM_GPIOS; i++) {
static const struct {
hwaddr addr;
unsigned int irq_low;
unsigned int irq_high;
} gpio_table[FSL_IMX6_NUM_GPIOS] = {
{
FSL_IMX6_GPIO1_ADDR,
FSL_IMX6_GPIO1_LOW_IRQ,
FSL_IMX6_GPIO1_HIGH_IRQ
},
{
FSL_IMX6_GPIO2_ADDR,
FSL_IMX6_GPIO2_LOW_IRQ,
FSL_IMX6_GPIO2_HIGH_IRQ
},
{
FSL_IMX6_GPIO3_ADDR,
FSL_IMX6_GPIO3_LOW_IRQ,
FSL_IMX6_GPIO3_HIGH_IRQ
},
{
FSL_IMX6_GPIO4_ADDR,
FSL_IMX6_GPIO4_LOW_IRQ,
FSL_IMX6_GPIO4_HIGH_IRQ
},
{
FSL_IMX6_GPIO5_ADDR,
FSL_IMX6_GPIO5_LOW_IRQ,
FSL_IMX6_GPIO5_HIGH_IRQ
},
{
FSL_IMX6_GPIO6_ADDR,
FSL_IMX6_GPIO6_LOW_IRQ,
FSL_IMX6_GPIO6_HIGH_IRQ
},
{
FSL_IMX6_GPIO7_ADDR,
FSL_IMX6_GPIO7_LOW_IRQ,
FSL_IMX6_GPIO7_HIGH_IRQ
},
};
object_property_set_bool(OBJECT(&s->gpio[i]), true, "has-edge-sel",
&error_abort);
object_property_set_bool(OBJECT(&s->gpio[i]), true, "has-upper-pin-irq",
&error_abort);
object_property_set_bool(OBJECT(&s->gpio[i]), true, "realized", &err);
if (err) {
error_propagate(errp, err);
return;
}
sysbus_mmio_map(SYS_BUS_DEVICE(&s->gpio[i]), 0, gpio_table[i].addr);
sysbus_connect_irq(SYS_BUS_DEVICE(&s->gpio[i]), 0,
qdev_get_gpio_in(DEVICE(&s->a9mpcore),
gpio_table[i].irq_low));
sysbus_connect_irq(SYS_BUS_DEVICE(&s->gpio[i]), 1,
qdev_get_gpio_in(DEVICE(&s->a9mpcore),
gpio_table[i].irq_high));
}
/* Initialize all SDHC */
for (i = 0; i < FSL_IMX6_NUM_ESDHCS; i++) {
static const struct {
hwaddr addr;
unsigned int irq;
} esdhc_table[FSL_IMX6_NUM_ESDHCS] = {
{ FSL_IMX6_uSDHC1_ADDR, FSL_IMX6_uSDHC1_IRQ },
{ FSL_IMX6_uSDHC2_ADDR, FSL_IMX6_uSDHC2_IRQ },
{ FSL_IMX6_uSDHC3_ADDR, FSL_IMX6_uSDHC3_IRQ },
{ FSL_IMX6_uSDHC4_ADDR, FSL_IMX6_uSDHC4_IRQ },
};
/* UHS-I SDIO3.0 SDR104 1.8V ADMA */
object_property_set_uint(OBJECT(&s->esdhc[i]), 3, "sd-spec-version",
&err);
object_property_set_uint(OBJECT(&s->esdhc[i]), IMX6_ESDHC_CAPABILITIES,
"capareg", &err);
object_property_set_bool(OBJECT(&s->esdhc[i]), true, "realized", &err);
if (err) {
error_propagate(errp, err);
return;
}
sysbus_mmio_map(SYS_BUS_DEVICE(&s->esdhc[i]), 0, esdhc_table[i].addr);
sysbus_connect_irq(SYS_BUS_DEVICE(&s->esdhc[i]), 0,
qdev_get_gpio_in(DEVICE(&s->a9mpcore),
esdhc_table[i].irq));
}
/* USB */
for (i = 0; i < FSL_IMX6_NUM_USB_PHYS; i++) {
object_property_set_bool(OBJECT(&s->usbphy[i]), true, "realized",
&error_abort);
sysbus_mmio_map(SYS_BUS_DEVICE(&s->usbphy[i]), 0,
FSL_IMX6_USBPHY1_ADDR + i * 0x1000);
}
for (i = 0; i < FSL_IMX6_NUM_USBS; i++) {
static const int FSL_IMX6_USBn_IRQ[] = {
FSL_IMX6_USB_OTG_IRQ,
FSL_IMX6_USB_HOST1_IRQ,
FSL_IMX6_USB_HOST2_IRQ,
FSL_IMX6_USB_HOST3_IRQ,
};
object_property_set_bool(OBJECT(&s->usb[i]), true, "realized",
&error_abort);
sysbus_mmio_map(SYS_BUS_DEVICE(&s->usb[i]), 0,
FSL_IMX6_USBOH3_USB_ADDR + i * 0x200);
sysbus_connect_irq(SYS_BUS_DEVICE(&s->usb[i]), 0,
qdev_get_gpio_in(DEVICE(&s->a9mpcore),
FSL_IMX6_USBn_IRQ[i]));
}
/* Initialize all ECSPI */
for (i = 0; i < FSL_IMX6_NUM_ECSPIS; i++) {
static const struct {
hwaddr addr;
unsigned int irq;
} spi_table[FSL_IMX6_NUM_ECSPIS] = {
{ FSL_IMX6_eCSPI1_ADDR, FSL_IMX6_ECSPI1_IRQ },
{ FSL_IMX6_eCSPI2_ADDR, FSL_IMX6_ECSPI2_IRQ },
{ FSL_IMX6_eCSPI3_ADDR, FSL_IMX6_ECSPI3_IRQ },
{ FSL_IMX6_eCSPI4_ADDR, FSL_IMX6_ECSPI4_IRQ },
{ FSL_IMX6_eCSPI5_ADDR, FSL_IMX6_ECSPI5_IRQ },
};
/* Initialize the SPI */
object_property_set_bool(OBJECT(&s->spi[i]), true, "realized", &err);
if (err) {
error_propagate(errp, err);
return;
}
sysbus_mmio_map(SYS_BUS_DEVICE(&s->spi[i]), 0, spi_table[i].addr);
sysbus_connect_irq(SYS_BUS_DEVICE(&s->spi[i]), 0,
qdev_get_gpio_in(DEVICE(&s->a9mpcore),
spi_table[i].irq));
}
qdev_set_nic_properties(DEVICE(&s->eth), &nd_table[0]);
object_property_set_bool(OBJECT(&s->eth), true, "realized", &err);
if (err) {
error_propagate(errp, err);
return;
}
sysbus_mmio_map(SYS_BUS_DEVICE(&s->eth), 0, FSL_IMX6_ENET_ADDR);
sysbus_connect_irq(SYS_BUS_DEVICE(&s->eth), 0,
qdev_get_gpio_in(DEVICE(&s->a9mpcore),
FSL_IMX6_ENET_MAC_IRQ));
sysbus_connect_irq(SYS_BUS_DEVICE(&s->eth), 1,
qdev_get_gpio_in(DEVICE(&s->a9mpcore),
FSL_IMX6_ENET_MAC_1588_IRQ));
/*
* Watchdog
*/
for (i = 0; i < FSL_IMX6_NUM_WDTS; i++) {
static const hwaddr FSL_IMX6_WDOGn_ADDR[FSL_IMX6_NUM_WDTS] = {
FSL_IMX6_WDOG1_ADDR,
FSL_IMX6_WDOG2_ADDR,
};
object_property_set_bool(OBJECT(&s->wdt[i]), true, "realized",
&error_abort);
sysbus_mmio_map(SYS_BUS_DEVICE(&s->wdt[i]), 0, FSL_IMX6_WDOGn_ADDR[i]);
}
/* ROM memory */
memory_region_init_rom(&s->rom, OBJECT(dev), "imx6.rom",
FSL_IMX6_ROM_SIZE, &err);
if (err) {
error_propagate(errp, err);
return;
}
memory_region_add_subregion(get_system_memory(), FSL_IMX6_ROM_ADDR,
&s->rom);
/* CAAM memory */
memory_region_init_rom(&s->caam, OBJECT(dev), "imx6.caam",
FSL_IMX6_CAAM_MEM_SIZE, &err);
if (err) {
error_propagate(errp, err);
return;
}
memory_region_add_subregion(get_system_memory(), FSL_IMX6_CAAM_MEM_ADDR,
&s->caam);
/* OCRAM memory */
memory_region_init_ram(&s->ocram, NULL, "imx6.ocram", FSL_IMX6_OCRAM_SIZE,
&err);
if (err) {
error_propagate(errp, err);
return;
}
memory_region_add_subregion(get_system_memory(), FSL_IMX6_OCRAM_ADDR,
&s->ocram);
/* internal OCRAM (256 KB) is aliased over 1 MB */
memory_region_init_alias(&s->ocram_alias, OBJECT(dev), "imx6.ocram_alias",
&s->ocram, 0, FSL_IMX6_OCRAM_ALIAS_SIZE);
memory_region_add_subregion(get_system_memory(), FSL_IMX6_OCRAM_ALIAS_ADDR,
&s->ocram_alias);
}
static void fsl_imx6_class_init(ObjectClass *oc, void *data)
{
DeviceClass *dc = DEVICE_CLASS(oc);
dc->realize = fsl_imx6_realize;
dc->desc = "i.MX6 SOC";
/* Reason: Uses serial_hd() in the realize() function */
dc->user_creatable = false;
}
static const TypeInfo fsl_imx6_type_info = {
.name = TYPE_FSL_IMX6,
.parent = TYPE_DEVICE,
.instance_size = sizeof(FslIMX6State),
.instance_init = fsl_imx6_init,
.class_init = fsl_imx6_class_init,
};
static void fsl_imx6_register_types(void)
{
type_register_static(&fsl_imx6_type_info);
}
type_init(fsl_imx6_register_types)
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