@@ -108,6 +108,7 @@ static void raspi_peripherals_base_init(Object *obj)
/* Framebuffer */
object_initialize_child(obj, "fb", &s->fb, TYPE_BCM2835_FB);
object_property_add_alias(obj, "vcram-size", OBJECT(&s->fb), "vcram-size");
+ object_property_add_alias(obj, "vcram-base", OBJECT(&s->fb), "vcram-base");
object_property_add_const_link(OBJECT(&s->fb), "dma-mr",
OBJECT(&s->gpu_bus_mr));
@@ -225,7 +226,7 @@ void raspi_peripherals_common_realize(DeviceState *dev, Error **errp)
Object *obj;
MemoryRegion *ram;
Error *err = NULL;
- uint64_t ram_size, vcram_size;
+ uint64_t ram_size, vcram_size, vcram_base;
int n;
obj = object_property_get_link(OBJECT(dev), "ram", &error_abort);
@@ -329,11 +330,24 @@ void raspi_peripherals_common_realize(DeviceState *dev, Error **errp)
return;
}
- if (!object_property_set_uint(OBJECT(&s->fb), "vcram-base",
- ram_size - vcram_size, errp)) {
+ vcram_base = object_property_get_uint(OBJECT(s), "vcram-base", &err);
+ if (err) {
+ error_propagate(errp, err);
return;
}
+ if (vcram_base == 0) {
+ vcram_base = (ram_size > UPPER_RAM_BASE ? UPPER_RAM_BASE : ram_size)
+ - vcram_size;
+ } else {
+ if (vcram_base + vcram_size > UPPER_RAM_BASE) {
+ vcram_base = UPPER_RAM_BASE - vcram_size;
+ }
+ }
+ if (!object_property_set_uint(OBJECT(&s->fb), "vcram-base", vcram_base,
+ errp)) {
+ return;
+ }
if (!sysbus_realize(SYS_BUS_DEVICE(&s->fb), errp)) {
return;
}
@@ -64,6 +64,8 @@ static void bcm283x_init(Object *obj)
"command-line");
object_property_add_alias(obj, "vcram-size", OBJECT(&s->peripherals),
"vcram-size");
+ object_property_add_alias(obj, "vcram-base", OBJECT(&s->peripherals),
+ "vcram-base");
}
bool bcm283x_common_realize(DeviceState *dev, RaspiPeripheralBaseState *ps,
@@ -62,6 +62,8 @@ static void bcm2838_init(Object *obj)
"board-rev");
object_property_add_alias(obj, "vcram-size", OBJECT(&s->peripherals),
"vcram-size");
+ object_property_add_alias(obj, "vcram-base", OBJECT(&s->peripherals),
+ "vcram-base");
object_property_add_alias(obj, "command-line", OBJECT(&s->peripherals),
"command-line");
@@ -39,7 +39,7 @@ arm_ss.add(when: 'CONFIG_ALLWINNER_A10', if_true: files('allwinner-a10.c', 'cubi
arm_ss.add(when: 'CONFIG_ALLWINNER_H3', if_true: files('allwinner-h3.c', 'orangepi.c'))
arm_ss.add(when: 'CONFIG_ALLWINNER_R40', if_true: files('allwinner-r40.c', 'bananapi_m2u.c'))
arm_ss.add(when: 'CONFIG_RASPI', if_true: files('bcm2836.c', 'raspi.c'))
-arm_ss.add(when: ['CONFIG_RASPI', 'TARGET_AARCH64'], if_true: files('bcm2838.c'))
+arm_ss.add(when: ['CONFIG_RASPI', 'TARGET_AARCH64'], if_true: files('bcm2838.c', 'raspi4b.c'))
arm_ss.add(when: 'CONFIG_STM32F100_SOC', if_true: files('stm32f100_soc.c'))
arm_ss.add(when: 'CONFIG_STM32F205_SOC', if_true: files('stm32f205_soc.c'))
arm_ss.add(when: 'CONFIG_STM32F405_SOC', if_true: files('stm32f405_soc.c'))
@@ -18,6 +18,7 @@
#include "qapi/error.h"
#include "hw/arm/boot.h"
#include "hw/arm/bcm2836.h"
+#include "hw/arm/bcm2838.h"
#include "hw/arm/raspi_platform.h"
#include "hw/registerfields.h"
#include "qemu/error-report.h"
@@ -61,6 +62,7 @@ typedef enum RaspiProcessorId {
PROCESSOR_ID_BCM2835 = 0,
PROCESSOR_ID_BCM2836 = 1,
PROCESSOR_ID_BCM2837 = 2,
+ PROCESSOR_ID_BCM2838 = 3,
} RaspiProcessorId;
static const struct {
@@ -70,13 +72,9 @@ static const struct {
[PROCESSOR_ID_BCM2835] = {TYPE_BCM2835, 1},
[PROCESSOR_ID_BCM2836] = {TYPE_BCM2836, BCM283X_NCPUS},
[PROCESSOR_ID_BCM2837] = {TYPE_BCM2837, BCM283X_NCPUS},
+ [PROCESSOR_ID_BCM2838] = {TYPE_BCM2838, BCM283X_NCPUS},
};
-static void raspi_base_machine_init(MachineState *machine,
- BCM283XBaseState *soc);
-static void raspi_machine_class_common_init(MachineClass *mc,
- uint32_t board_rev);
-
static uint64_t board_ram_size(uint32_t board_rev)
{
assert(FIELD_EX32(board_rev, REV_CODE, STYLE)); /* Only new style */
@@ -93,7 +91,7 @@ static RaspiProcessorId board_processor_id(uint32_t board_rev)
return proc_id;
}
-static const char *board_soc_type(uint32_t board_rev)
+const char *board_soc_type(uint32_t board_rev)
{
return soc_property[board_processor_id(board_rev)].type;
}
@@ -248,13 +246,14 @@ static void setup_boot(MachineState *machine, ARMCPU *cpu,
arm_load_kernel(cpu, machine, &s->binfo);
}
-static void raspi_base_machine_init(MachineState *machine,
+void raspi_base_machine_init(MachineState *machine,
BCM283XBaseState *soc)
{
RaspiBaseMachineClass *mc = RASPI_BASE_MACHINE_GET_CLASS(machine);
uint32_t board_rev = mc->board_rev;
uint64_t ram_size = board_ram_size(board_rev);
- uint32_t vcram_size;
+ uint32_t vcram_base, vcram_size;
+ size_t boot_ram_size;
DriveInfo *di;
BlockBackend *blk;
BusState *bus;
@@ -293,11 +292,20 @@ static void raspi_base_machine_init(MachineState *machine,
vcram_size = object_property_get_uint(OBJECT(soc), "vcram-size",
&error_abort);
+ vcram_base = object_property_get_uint(OBJECT(soc), "vcram-base",
+ &error_abort);
+ if (!vcram_base) {
+ boot_ram_size = (ram_size > UPPER_RAM_BASE ? UPPER_RAM_BASE : ram_size)
+ - vcram_size;
+ } else {
+ boot_ram_size = (vcram_base + vcram_size > UPPER_RAM_BASE ?
+ UPPER_RAM_BASE - vcram_size : vcram_base);
+ }
setup_boot(machine, &soc->cpu[0].core, board_processor_id(board_rev),
- machine->ram_size - vcram_size);
+ boot_ram_size);
}
-static void raspi_machine_init(MachineState *machine)
+void raspi_machine_init(MachineState *machine)
{
RaspiMachineState *s = RASPI_MACHINE(machine);
RaspiBaseMachineState *s_base = RASPI_BASE_MACHINE(machine);
new file mode 100644
@@ -0,0 +1,182 @@
+/*
+ * Raspberry Pi 4B emulation
+ *
+ * Copyright (C) 2022 Ovchinnikov Vitalii <vitalii.ovchinnikov@auriga.com>
+ *
+ * SPDX-License-Identifier: GPL-2.0-or-later
+ */
+
+#include "qemu/osdep.h"
+#include "qemu/units.h"
+#include "qemu/cutils.h"
+#include "qapi/error.h"
+#include "qapi/visitor.h"
+#include "hw/arm/raspi_platform.h"
+#include "hw/display/bcm2835_fb.h"
+#include "hw/registerfields.h"
+#include "qemu/error-report.h"
+#include "sysemu/device_tree.h"
+#include "hw/boards.h"
+#include "hw/loader.h"
+#include "hw/arm/boot.h"
+#include "qom/object.h"
+#include "hw/arm/bcm2838.h"
+
+#define TYPE_RASPI4B_MACHINE MACHINE_TYPE_NAME("raspi4b-common")
+OBJECT_DECLARE_SIMPLE_TYPE(Raspi4bMachineState, RASPI4B_MACHINE)
+
+struct Raspi4bMachineState {
+ /*< private >*/
+ RaspiBaseMachineState parent_obj;
+ /*< public >*/
+ BCM2838State soc;
+ uint32_t vcram_base;
+ uint32_t vcram_size;
+};
+
+static void raspi4b_machine_init(MachineState *machine)
+{
+ Raspi4bMachineState *s = RASPI4B_MACHINE(machine);
+ RaspiBaseMachineState *s_base = RASPI_BASE_MACHINE(machine);
+ RaspiBaseMachineClass *mc = RASPI_BASE_MACHINE_GET_CLASS(machine);
+ BCM2838State *soc = &s->soc;
+
+ s_base->binfo.board_id = mc->board_rev;
+
+ object_initialize_child(OBJECT(machine), "soc", soc,
+ board_soc_type(mc->board_rev));
+
+ if (s->vcram_base) {
+ object_property_set_uint(OBJECT(soc), "vcram-base",
+ s->vcram_base, NULL);
+ }
+
+ if (s->vcram_size) {
+ object_property_set_uint(OBJECT(soc), "vcram-size",
+ s->vcram_size, NULL);
+ }
+
+ raspi_base_machine_init(machine, &soc->parent_obj);
+}
+
+static void get_vcram_base(Object *obj, Visitor *v, const char *name,
+ void *opaque, Error **errp)
+{
+ Raspi4bMachineState *ms = RASPI4B_MACHINE(obj);
+ hwaddr value = ms->vcram_base;
+
+ visit_type_uint64(v, name, &value, errp);
+}
+
+static void set_vcram_base(Object *obj, Visitor *v, const char *name,
+ void *opaque, Error **errp)
+{
+ Raspi4bMachineState *ms = RASPI4B_MACHINE(obj);
+ hwaddr value;
+
+ if (!visit_type_uint64(v, name, &value, errp)) {
+ return;
+ }
+
+ ms->vcram_base = value;
+}
+
+static void get_vcram_size(Object *obj, Visitor *v, const char *name,
+ void *opaque, Error **errp)
+{
+ Raspi4bMachineState *ms = RASPI4B_MACHINE(obj);
+ hwaddr value = ms->vcram_size;
+
+ visit_type_uint64(v, name, &value, errp);
+}
+
+static void set_vcram_size(Object *obj, Visitor *v, const char *name,
+ void *opaque, Error **errp)
+{
+ Raspi4bMachineState *ms = RASPI4B_MACHINE(obj);
+ hwaddr value;
+
+ if (!visit_type_uint64(v, name, &value, errp)) {
+ return;
+ }
+
+ ms->vcram_size = value;
+}
+
+static void raspi4b_machine_class_init(MachineClass *mc, uint32_t board_rev)
+{
+ object_class_property_add(OBJECT_CLASS(mc), "vcram-size", "uint32",
+ get_vcram_size, set_vcram_size, NULL, NULL);
+ object_class_property_set_description(OBJECT_CLASS(mc), "vcram-size",
+ "VideoCore RAM base address");
+ object_class_property_add(OBJECT_CLASS(mc), "vcram-base", "uint32",
+ get_vcram_base, set_vcram_base, NULL, NULL);
+ object_class_property_set_description(OBJECT_CLASS(mc), "vcram-base",
+ "VideoCore RAM size");
+
+ raspi_machine_class_common_init(mc, board_rev);
+ mc->init = raspi4b_machine_init;
+}
+
+static void raspi4b1g_machine_class_init(ObjectClass *oc, void *data)
+{
+ MachineClass *mc = MACHINE_CLASS(oc);
+ RaspiBaseMachineClass *rmc = RASPI_BASE_MACHINE_CLASS(oc);
+
+ rmc->board_rev = 0xa03111;
+ raspi4b_machine_class_init(mc, rmc->board_rev);
+}
+
+static void raspi4b2g_machine_class_init(ObjectClass *oc, void *data)
+{
+ MachineClass *mc = MACHINE_CLASS(oc);
+ RaspiBaseMachineClass *rmc = RASPI_BASE_MACHINE_CLASS(oc);
+
+ rmc->board_rev = 0xb03112;
+ raspi4b_machine_class_init(mc, rmc->board_rev);
+}
+
+static void raspi4b4g_machine_class_init(ObjectClass *oc, void *data)
+{
+ MachineClass *mc = MACHINE_CLASS(oc);
+ RaspiBaseMachineClass *rmc = RASPI_BASE_MACHINE_CLASS(oc);
+
+ rmc->board_rev = 0xc03114;
+ raspi4b_machine_class_init(mc, rmc->board_rev);
+}
+
+static void raspi4b8g_machine_class_init(ObjectClass *oc, void *data)
+{
+ MachineClass *mc = MACHINE_CLASS(oc);
+ RaspiBaseMachineClass *rmc = RASPI_BASE_MACHINE_CLASS(oc);
+
+ rmc->board_rev = 0xd03114;
+ raspi4b_machine_class_init(mc, rmc->board_rev);
+}
+
+static const TypeInfo raspi4b_machine_types[] = {
+ {
+ .name = MACHINE_TYPE_NAME("raspi4b1g"),
+ .parent = TYPE_RASPI4B_MACHINE,
+ .class_init = raspi4b1g_machine_class_init,
+ }, {
+ .name = MACHINE_TYPE_NAME("raspi4b2g"),
+ .parent = TYPE_RASPI4B_MACHINE,
+ .class_init = raspi4b2g_machine_class_init,
+ }, {
+ .name = MACHINE_TYPE_NAME("raspi4b4g"),
+ .parent = TYPE_RASPI4B_MACHINE,
+ .class_init = raspi4b4g_machine_class_init,
+ }, {
+ .name = MACHINE_TYPE_NAME("raspi4b8g"),
+ .parent = TYPE_RASPI4B_MACHINE,
+ .class_init = raspi4b8g_machine_class_init,
+ }, {
+ .name = TYPE_RASPI4B_MACHINE,
+ .parent = TYPE_RASPI_BASE_MACHINE,
+ .instance_size = sizeof(Raspi4bMachineState),
+ .abstract = true,
+ }
+};
+
+DEFINE_TYPES(raspi4b_machine_types)
@@ -49,6 +49,17 @@ struct RaspiBaseMachineClass {
uint32_t board_rev;
};
+/* Common functions for raspberry pi machines */
+const char *board_soc_type(uint32_t board_rev);
+void raspi_machine_init(MachineState *machine);
+
+typedef struct BCM283XBaseState BCM283XBaseState;
+void raspi_base_machine_init(MachineState *machine,
+ BCM283XBaseState *soc);
+
+void raspi_machine_class_common_init(MachineClass *mc,
+ uint32_t board_rev);
+
#define MSYNC_OFFSET 0x0000 /* Multicore Sync Block */
#define CCPT_OFFSET 0x1000 /* Compact Camera Port 2 TX */
#define INTE_OFFSET 0x2000 /* VC Interrupt controller */
@@ -16,6 +16,8 @@
#include "ui/console.h"
#include "qom/object.h"
+#define UPPER_RAM_BASE 0x40000000
+
#define TYPE_BCM2835_FB "bcm2835-fb"
OBJECT_DECLARE_SIMPLE_TYPE(BCM2835FBState, BCM2835_FB)
Signed-off-by: Sergey Kambalin <sergey.kambalin@auriga.com> --- hw/arm/bcm2835_peripherals.c | 20 +++- hw/arm/bcm2836.c | 2 + hw/arm/bcm2838.c | 2 + hw/arm/meson.build | 2 +- hw/arm/raspi.c | 28 +++-- hw/arm/raspi4b.c | 182 ++++++++++++++++++++++++++++++++ include/hw/arm/raspi_platform.h | 11 ++ include/hw/display/bcm2835_fb.h | 2 + 8 files changed, 235 insertions(+), 14 deletions(-) create mode 100644 hw/arm/raspi4b.c