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qemu/hw/arm/xlnx-zynqmp.c
Alistair Francis 02d07eb494 xlnx-zynqmp: Connect the SPI devices 
Connect the Xilinx SPI devices to the ZynqMP model.

Signed-off-by: Alistair Francis <alistair.francis@xilinx.com>
Reviewed-by: Peter Crosthwaite <crosthwaite.peter@gmail.com>
[ PC changes
 * Use QOM alias for bus connectivity on SoC level
]
Signed-off-by: Peter Crosthwaite <crosthwaite.peter@gmail.com>
[PMM: free the g_strdup_printf() string when finished with it]
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2016-01-21 14:15:03 +00:00

393 lines
13 KiB
C
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/*
* Xilinx Zynq MPSoC emulation
*
* Copyright (C) 2015 Xilinx Inc
* Written by Peter Crosthwaite <peter.crosthwaite@xilinx.com>
*
* 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.
*/
#include "qemu/osdep.h"
#include "hw/arm/xlnx-zynqmp.h"
#include "hw/intc/arm_gic_common.h"
#include "exec/address-spaces.h"
#define GIC_NUM_SPI_INTR 160
#define ARM_PHYS_TIMER_PPI 30
#define ARM_VIRT_TIMER_PPI 27
#define GIC_BASE_ADDR 0xf9000000
#define GIC_DIST_ADDR 0xf9010000
#define GIC_CPU_ADDR 0xf9020000
#define SATA_INTR 133
#define SATA_ADDR 0xFD0C0000
#define SATA_NUM_PORTS 2
static const uint64_t gem_addr[XLNX_ZYNQMP_NUM_GEMS] = {
0xFF0B0000, 0xFF0C0000, 0xFF0D0000, 0xFF0E0000,
};
static const int gem_intr[XLNX_ZYNQMP_NUM_GEMS] = {
57, 59, 61, 63,
};
static const uint64_t uart_addr[XLNX_ZYNQMP_NUM_UARTS] = {
0xFF000000, 0xFF010000,
};
static const int uart_intr[XLNX_ZYNQMP_NUM_UARTS] = {
21, 22,
};
static const uint64_t sdhci_addr[XLNX_ZYNQMP_NUM_SDHCI] = {
0xFF160000, 0xFF170000,
};
static const int sdhci_intr[XLNX_ZYNQMP_NUM_SDHCI] = {
48, 49,
};
static const uint64_t spi_addr[XLNX_ZYNQMP_NUM_SPIS] = {
0xFF040000, 0xFF050000,
};
static const int spi_intr[XLNX_ZYNQMP_NUM_SPIS] = {
19, 20,
};
typedef struct XlnxZynqMPGICRegion {
int region_index;
uint32_t address;
} XlnxZynqMPGICRegion;
static const XlnxZynqMPGICRegion xlnx_zynqmp_gic_regions[] = {
{ .region_index = 0, .address = GIC_DIST_ADDR, },
{ .region_index = 1, .address = GIC_CPU_ADDR, },
};
static inline int arm_gic_ppi_index(int cpu_nr, int ppi_index)
{
return GIC_NUM_SPI_INTR + cpu_nr * GIC_INTERNAL + ppi_index;
}
static void xlnx_zynqmp_init(Object *obj)
{
XlnxZynqMPState *s = XLNX_ZYNQMP(obj);
int i;
for (i = 0; i < XLNX_ZYNQMP_NUM_APU_CPUS; i++) {
object_initialize(&s->apu_cpu[i], sizeof(s->apu_cpu[i]),
"cortex-a53-" TYPE_ARM_CPU);
object_property_add_child(obj, "apu-cpu[*]", OBJECT(&s->apu_cpu[i]),
&error_abort);
}
for (i = 0; i < XLNX_ZYNQMP_NUM_RPU_CPUS; i++) {
object_initialize(&s->rpu_cpu[i], sizeof(s->rpu_cpu[i]),
"cortex-r5-" TYPE_ARM_CPU);
object_property_add_child(obj, "rpu-cpu[*]", OBJECT(&s->rpu_cpu[i]),
&error_abort);
}
object_property_add_link(obj, "ddr-ram", TYPE_MEMORY_REGION,
(Object **)&s->ddr_ram,
qdev_prop_allow_set_link_before_realize,
OBJ_PROP_LINK_UNREF_ON_RELEASE, &error_abort);
object_initialize(&s->gic, sizeof(s->gic), TYPE_ARM_GIC);
qdev_set_parent_bus(DEVICE(&s->gic), sysbus_get_default());
for (i = 0; i < XLNX_ZYNQMP_NUM_GEMS; i++) {
object_initialize(&s->gem[i], sizeof(s->gem[i]), TYPE_CADENCE_GEM);
qdev_set_parent_bus(DEVICE(&s->gem[i]), sysbus_get_default());
}
for (i = 0; i < XLNX_ZYNQMP_NUM_UARTS; i++) {
object_initialize(&s->uart[i], sizeof(s->uart[i]), TYPE_CADENCE_UART);
qdev_set_parent_bus(DEVICE(&s->uart[i]), sysbus_get_default());
}
object_initialize(&s->sata, sizeof(s->sata), TYPE_SYSBUS_AHCI);
qdev_set_parent_bus(DEVICE(&s->sata), sysbus_get_default());
for (i = 0; i < XLNX_ZYNQMP_NUM_SDHCI; i++) {
object_initialize(&s->sdhci[i], sizeof(s->sdhci[i]),
TYPE_SYSBUS_SDHCI);
qdev_set_parent_bus(DEVICE(&s->sdhci[i]),
sysbus_get_default());
}
for (i = 0; i < XLNX_ZYNQMP_NUM_SPIS; i++) {
object_initialize(&s->spi[i], sizeof(s->spi[i]),
TYPE_XILINX_SPIPS);
qdev_set_parent_bus(DEVICE(&s->spi[i]), sysbus_get_default());
}
}
static void xlnx_zynqmp_realize(DeviceState *dev, Error **errp)
{
XlnxZynqMPState *s = XLNX_ZYNQMP(dev);
MemoryRegion *system_memory = get_system_memory();
uint8_t i;
uint64_t ram_size;
const char *boot_cpu = s->boot_cpu ? s->boot_cpu : "apu-cpu[0]";
ram_addr_t ddr_low_size, ddr_high_size;
qemu_irq gic_spi[GIC_NUM_SPI_INTR];
Error *err = NULL;
ram_size = memory_region_size(s->ddr_ram);
/* Create the DDR Memory Regions. User friendly checks should happen at
* the board level
*/
if (ram_size > XLNX_ZYNQMP_MAX_LOW_RAM_SIZE) {
/* The RAM size is above the maximum available for the low DDR.
* Create the high DDR memory region as well.
*/
assert(ram_size <= XLNX_ZYNQMP_MAX_RAM_SIZE);
ddr_low_size = XLNX_ZYNQMP_MAX_LOW_RAM_SIZE;
ddr_high_size = ram_size - XLNX_ZYNQMP_MAX_LOW_RAM_SIZE;
memory_region_init_alias(&s->ddr_ram_high, NULL,
"ddr-ram-high", s->ddr_ram,
ddr_low_size, ddr_high_size);
memory_region_add_subregion(get_system_memory(),
XLNX_ZYNQMP_HIGH_RAM_START,
&s->ddr_ram_high);
} else {
/* RAM must be non-zero */
assert(ram_size);
ddr_low_size = ram_size;
}
memory_region_init_alias(&s->ddr_ram_low, NULL,
"ddr-ram-low", s->ddr_ram,
0, ddr_low_size);
memory_region_add_subregion(get_system_memory(), 0, &s->ddr_ram_low);
/* Create the four OCM banks */
for (i = 0; i < XLNX_ZYNQMP_NUM_OCM_BANKS; i++) {
char *ocm_name = g_strdup_printf("zynqmp.ocm_ram_bank_%d", i);
memory_region_init_ram(&s->ocm_ram[i], NULL, ocm_name,
XLNX_ZYNQMP_OCM_RAM_SIZE, &error_fatal);
vmstate_register_ram_global(&s->ocm_ram[i]);
memory_region_add_subregion(get_system_memory(),
XLNX_ZYNQMP_OCM_RAM_0_ADDRESS +
i * XLNX_ZYNQMP_OCM_RAM_SIZE,
&s->ocm_ram[i]);
g_free(ocm_name);
}
qdev_prop_set_uint32(DEVICE(&s->gic), "num-irq", GIC_NUM_SPI_INTR + 32);
qdev_prop_set_uint32(DEVICE(&s->gic), "revision", 2);
qdev_prop_set_uint32(DEVICE(&s->gic), "num-cpu", XLNX_ZYNQMP_NUM_APU_CPUS);
object_property_set_bool(OBJECT(&s->gic), true, "realized", &err);
if (err) {
error_propagate(errp, err);
return;
}
assert(ARRAY_SIZE(xlnx_zynqmp_gic_regions) == XLNX_ZYNQMP_GIC_REGIONS);
for (i = 0; i < XLNX_ZYNQMP_GIC_REGIONS; i++) {
SysBusDevice *gic = SYS_BUS_DEVICE(&s->gic);
const XlnxZynqMPGICRegion *r = &xlnx_zynqmp_gic_regions[i];
MemoryRegion *mr = sysbus_mmio_get_region(gic, r->region_index);
uint32_t addr = r->address;
int j;
sysbus_mmio_map(gic, r->region_index, addr);
for (j = 0; j < XLNX_ZYNQMP_GIC_ALIASES; j++) {
MemoryRegion *alias = &s->gic_mr[i][j];
addr += XLNX_ZYNQMP_GIC_REGION_SIZE;
memory_region_init_alias(alias, OBJECT(s), "zynqmp-gic-alias", mr,
0, XLNX_ZYNQMP_GIC_REGION_SIZE);
memory_region_add_subregion(system_memory, addr, alias);
}
}
for (i = 0; i < XLNX_ZYNQMP_NUM_APU_CPUS; i++) {
qemu_irq irq;
char *name;
object_property_set_int(OBJECT(&s->apu_cpu[i]), QEMU_PSCI_CONDUIT_SMC,
"psci-conduit", &error_abort);
name = object_get_canonical_path_component(OBJECT(&s->apu_cpu[i]));
if (strcmp(name, boot_cpu)) {
/* Secondary CPUs start in PSCI powered-down state */
object_property_set_bool(OBJECT(&s->apu_cpu[i]), true,
"start-powered-off", &error_abort);
} else {
s->boot_cpu_ptr = &s->apu_cpu[i];
}
g_free(name);
object_property_set_int(OBJECT(&s->apu_cpu[i]), GIC_BASE_ADDR,
"reset-cbar", &error_abort);
object_property_set_bool(OBJECT(&s->apu_cpu[i]), true, "realized",
&err);
if (err) {
error_propagate(errp, err);
return;
}
sysbus_connect_irq(SYS_BUS_DEVICE(&s->gic), i,
qdev_get_gpio_in(DEVICE(&s->apu_cpu[i]),
ARM_CPU_IRQ));
irq = qdev_get_gpio_in(DEVICE(&s->gic),
arm_gic_ppi_index(i, ARM_PHYS_TIMER_PPI));
qdev_connect_gpio_out(DEVICE(&s->apu_cpu[i]), 0, irq);
irq = qdev_get_gpio_in(DEVICE(&s->gic),
arm_gic_ppi_index(i, ARM_VIRT_TIMER_PPI));
qdev_connect_gpio_out(DEVICE(&s->apu_cpu[i]), 1, irq);
}
for (i = 0; i < XLNX_ZYNQMP_NUM_RPU_CPUS; i++) {
char *name;
name = object_get_canonical_path_component(OBJECT(&s->rpu_cpu[i]));
if (strcmp(name, boot_cpu)) {
/* Secondary CPUs start in PSCI powered-down state */
object_property_set_bool(OBJECT(&s->rpu_cpu[i]), true,
"start-powered-off", &error_abort);
} else {
s->boot_cpu_ptr = &s->rpu_cpu[i];
}
g_free(name);
object_property_set_bool(OBJECT(&s->rpu_cpu[i]), true, "reset-hivecs",
&error_abort);
object_property_set_bool(OBJECT(&s->rpu_cpu[i]), true, "realized",
&err);
if (err) {
error_propagate(errp, err);
return;
}
}
if (!s->boot_cpu_ptr) {
error_setg(errp, "ZynqMP Boot cpu %s not found", boot_cpu);
return;
}
for (i = 0; i < GIC_NUM_SPI_INTR; i++) {
gic_spi[i] = qdev_get_gpio_in(DEVICE(&s->gic), i);
}
for (i = 0; i < XLNX_ZYNQMP_NUM_GEMS; i++) {
NICInfo *nd = &nd_table[i];
if (nd->used) {
qemu_check_nic_model(nd, TYPE_CADENCE_GEM);
qdev_set_nic_properties(DEVICE(&s->gem[i]), nd);
}
object_property_set_bool(OBJECT(&s->gem[i]), true, "realized", &err);
if (err) {
error_propagate(errp, err);
return;
}
sysbus_mmio_map(SYS_BUS_DEVICE(&s->gem[i]), 0, gem_addr[i]);
sysbus_connect_irq(SYS_BUS_DEVICE(&s->gem[i]), 0,
gic_spi[gem_intr[i]]);
}
for (i = 0; i < XLNX_ZYNQMP_NUM_UARTS; 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, uart_addr[i]);
sysbus_connect_irq(SYS_BUS_DEVICE(&s->uart[i]), 0,
gic_spi[uart_intr[i]]);
}
object_property_set_int(OBJECT(&s->sata), SATA_NUM_PORTS, "num-ports",
&error_abort);
object_property_set_bool(OBJECT(&s->sata), true, "realized", &err);
if (err) {
error_propagate(errp, err);
return;
}
sysbus_mmio_map(SYS_BUS_DEVICE(&s->sata), 0, SATA_ADDR);
sysbus_connect_irq(SYS_BUS_DEVICE(&s->sata), 0, gic_spi[SATA_INTR]);
for (i = 0; i < XLNX_ZYNQMP_NUM_SDHCI; i++) {
object_property_set_bool(OBJECT(&s->sdhci[i]), true,
"realized", &err);
if (err) {
error_propagate(errp, err);
return;
}
sysbus_mmio_map(SYS_BUS_DEVICE(&s->sdhci[i]), 0,
sdhci_addr[i]);
sysbus_connect_irq(SYS_BUS_DEVICE(&s->sdhci[i]), 0,
gic_spi[sdhci_intr[i]]);
}
for (i = 0; i < XLNX_ZYNQMP_NUM_SPIS; i++) {
gchar *bus_name;
object_property_set_bool(OBJECT(&s->spi[i]), true, "realized", &err);
sysbus_mmio_map(SYS_BUS_DEVICE(&s->spi[i]), 0, spi_addr[i]);
sysbus_connect_irq(SYS_BUS_DEVICE(&s->spi[i]), 0,
gic_spi[spi_intr[i]]);
/* Alias controller SPI bus to the SoC itself */
bus_name = g_strdup_printf("spi%d", i);
object_property_add_alias(OBJECT(s), bus_name,
OBJECT(&s->spi[i]), "spi0",
&error_abort);
g_free(bus_name);
}
}
static Property xlnx_zynqmp_props[] = {
DEFINE_PROP_STRING("boot-cpu", XlnxZynqMPState, boot_cpu),
DEFINE_PROP_END_OF_LIST()
};
static void xlnx_zynqmp_class_init(ObjectClass *oc, void *data)
{
DeviceClass *dc = DEVICE_CLASS(oc);
dc->props = xlnx_zynqmp_props;
dc->realize = xlnx_zynqmp_realize;
/*
* Reason: creates an ARM CPU, thus use after free(), see
* arm_cpu_class_init()
*/
dc->cannot_destroy_with_object_finalize_yet = true;
}
static const TypeInfo xlnx_zynqmp_type_info = {
.name = TYPE_XLNX_ZYNQMP,
.parent = TYPE_DEVICE,
.instance_size = sizeof(XlnxZynqMPState),
.instance_init = xlnx_zynqmp_init,
.class_init = xlnx_zynqmp_class_init,
};
static void xlnx_zynqmp_register_types(void)
{
type_register_static(&xlnx_zynqmp_type_info);
}
type_init(xlnx_zynqmp_register_types)
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