2 * Calxeda Highbank SoC emulation
4 * Copyright (c) 2010-2012 Calxeda
6 * This program is free software; you can redistribute it and/or modify it
7 * under the terms and conditions of the GNU General Public License,
8 * version 2 or later, as published by the Free Software Foundation.
10 * This program is distributed in the hope it will be useful, but WITHOUT
11 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
12 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
15 * You should have received a copy of the GNU General Public License along with
16 * this program. If not, see <http://www.gnu.org/licenses/>.
20 #include "qemu/osdep.h"
21 #include "qemu/datadir.h"
22 #include "qapi/error.h"
23 #include "hw/sysbus.h"
24 #include "migration/vmstate.h"
25 #include "hw/arm/boot.h"
26 #include "hw/loader.h"
28 #include "sysemu/runstate.h"
29 #include "sysemu/sysemu.h"
30 #include "hw/boards.h"
31 #include "qemu/error-report.h"
32 #include "hw/char/pl011.h"
33 #include "hw/ide/ahci.h"
34 #include "hw/cpu/a9mpcore.h"
35 #include "hw/cpu/a15mpcore.h"
37 #include "qom/object.h"
40 #define SMP_BOOT_ADDR 0x100
41 #define SMP_BOOT_REG 0x40
42 #define MPCORE_PERIPHBASE 0xfff10000
44 #define MVBAR_ADDR 0x200
45 #define BOARD_SETUP_ADDR (MVBAR_ADDR + 8 * sizeof(uint32_t))
51 static void hb_write_board_setup(ARMCPU
*cpu
,
52 const struct arm_boot_info
*info
)
54 arm_write_secure_board_setup_dummy_smc(cpu
, info
, MVBAR_ADDR
);
57 static void hb_write_secondary(ARMCPU
*cpu
, const struct arm_boot_info
*info
)
60 uint32_t smpboot
[] = {
61 0xee100fb0, /* mrc p15, 0, r0, c0, c0, 5 - read current core id */
62 0xe210000f, /* ands r0, r0, #0x0f */
63 0xe3a03040, /* mov r3, #0x40 - jump address is 0x40 + 0x10 * core id */
64 0xe0830200, /* add r0, r3, r0, lsl #4 */
65 0xe59f2024, /* ldr r2, privbase */
66 0xe3a01001, /* mov r1, #1 */
67 0xe5821100, /* str r1, [r2, #256] - set GICC_CTLR.Enable */
68 0xe3a010ff, /* mov r1, #0xff */
69 0xe5821104, /* str r1, [r2, #260] - set GICC_PMR.Priority to 0xff */
72 0xe5901000, /* ldr r1, [r0] */
73 0xe1110001, /* tst r1, r1 */
74 0x0afffffb, /* beq <wfi> */
75 0xe12fff11, /* bx r1 */
76 MPCORE_PERIPHBASE
/* privbase: MPCore peripheral base address. */
78 for (n
= 0; n
< ARRAY_SIZE(smpboot
); n
++) {
79 smpboot
[n
] = tswap32(smpboot
[n
]);
81 rom_add_blob_fixed_as("smpboot", smpboot
, sizeof(smpboot
), SMP_BOOT_ADDR
,
82 arm_boot_address_space(cpu
, info
));
85 static void hb_reset_secondary(ARMCPU
*cpu
, const struct arm_boot_info
*info
)
87 CPUARMState
*env
= &cpu
->env
;
89 switch (info
->nb_cpus
) {
91 address_space_stl_notdirty(&address_space_memory
,
92 SMP_BOOT_REG
+ 0x30, 0,
93 MEMTXATTRS_UNSPECIFIED
, NULL
);
96 address_space_stl_notdirty(&address_space_memory
,
97 SMP_BOOT_REG
+ 0x20, 0,
98 MEMTXATTRS_UNSPECIFIED
, NULL
);
101 address_space_stl_notdirty(&address_space_memory
,
102 SMP_BOOT_REG
+ 0x10, 0,
103 MEMTXATTRS_UNSPECIFIED
, NULL
);
104 env
->regs
[15] = SMP_BOOT_ADDR
;
111 #define NUM_REGS 0x200
112 static void hb_regs_write(void *opaque
, hwaddr offset
,
113 uint64_t value
, unsigned size
)
115 uint32_t *regs
= opaque
;
117 if (offset
== 0xf00) {
118 if (value
== 1 || value
== 2) {
119 qemu_system_reset_request(SHUTDOWN_CAUSE_GUEST_RESET
);
120 } else if (value
== 3) {
121 qemu_system_shutdown_request(SHUTDOWN_CAUSE_GUEST_SHUTDOWN
);
125 if (offset
/ 4 >= NUM_REGS
) {
126 qemu_log_mask(LOG_GUEST_ERROR
,
127 "highbank: bad write offset 0x%" HWADDR_PRIx
"\n", offset
);
130 regs
[offset
/ 4] = value
;
133 static uint64_t hb_regs_read(void *opaque
, hwaddr offset
,
137 uint32_t *regs
= opaque
;
139 if (offset
/ 4 >= NUM_REGS
) {
140 qemu_log_mask(LOG_GUEST_ERROR
,
141 "highbank: bad read offset 0x%" HWADDR_PRIx
"\n", offset
);
144 value
= regs
[offset
/ 4];
146 if ((offset
== 0x100) || (offset
== 0x108) || (offset
== 0x10C)) {
153 static const MemoryRegionOps hb_mem_ops
= {
154 .read
= hb_regs_read
,
155 .write
= hb_regs_write
,
156 .endianness
= DEVICE_NATIVE_ENDIAN
,
159 #define TYPE_HIGHBANK_REGISTERS "highbank-regs"
160 OBJECT_DECLARE_SIMPLE_TYPE(HighbankRegsState
, HIGHBANK_REGISTERS
)
162 struct HighbankRegsState
{
164 SysBusDevice parent_obj
;
168 uint32_t regs
[NUM_REGS
];
171 static const VMStateDescription vmstate_highbank_regs
= {
172 .name
= "highbank-regs",
174 .minimum_version_id
= 0,
175 .fields
= (VMStateField
[]) {
176 VMSTATE_UINT32_ARRAY(regs
, HighbankRegsState
, NUM_REGS
),
177 VMSTATE_END_OF_LIST(),
181 static void highbank_regs_reset(DeviceState
*dev
)
183 HighbankRegsState
*s
= HIGHBANK_REGISTERS(dev
);
185 s
->regs
[0x40] = 0x05F20121;
187 s
->regs
[0x42] = 0x05F30121;
188 s
->regs
[0x43] = 0x05F40121;
191 static void highbank_regs_init(Object
*obj
)
193 HighbankRegsState
*s
= HIGHBANK_REGISTERS(obj
);
194 SysBusDevice
*dev
= SYS_BUS_DEVICE(obj
);
196 memory_region_init_io(&s
->iomem
, obj
, &hb_mem_ops
, s
->regs
,
197 "highbank_regs", 0x1000);
198 sysbus_init_mmio(dev
, &s
->iomem
);
201 static void highbank_regs_class_init(ObjectClass
*klass
, void *data
)
203 DeviceClass
*dc
= DEVICE_CLASS(klass
);
205 dc
->desc
= "Calxeda Highbank registers";
206 dc
->vmsd
= &vmstate_highbank_regs
;
207 dc
->reset
= highbank_regs_reset
;
210 static const TypeInfo highbank_regs_info
= {
211 .name
= TYPE_HIGHBANK_REGISTERS
,
212 .parent
= TYPE_SYS_BUS_DEVICE
,
213 .instance_size
= sizeof(HighbankRegsState
),
214 .instance_init
= highbank_regs_init
,
215 .class_init
= highbank_regs_class_init
,
218 static void highbank_regs_register_types(void)
220 type_register_static(&highbank_regs_info
);
223 type_init(highbank_regs_register_types
)
225 static struct arm_boot_info highbank_binfo
;
232 /* ram_size must be set to match the upper bound of memory in the
233 * device tree (linux/arch/arm/boot/dts/highbank.dts), which is
234 * normally 0xff900000 or -m 4089. When running this board on a
235 * 32-bit host, set the reg value of memory to 0xf7ff00000 in the
236 * device tree and pass -m 2047 to QEMU.
238 static void calxeda_init(MachineState
*machine
, enum cxmachines machine_id
)
240 DeviceState
*dev
= NULL
;
241 SysBusDevice
*busdev
;
244 unsigned int smp_cpus
= machine
->smp
.cpus
;
247 qemu_irq cpu_virq
[4];
248 qemu_irq cpu_vfiq
[4];
249 MemoryRegion
*sysram
;
250 MemoryRegion
*sysmem
;
251 char *sysboot_filename
;
253 switch (machine_id
) {
254 case CALXEDA_HIGHBANK
:
255 machine
->cpu_type
= ARM_CPU_TYPE_NAME("cortex-a9");
258 machine
->cpu_type
= ARM_CPU_TYPE_NAME("cortex-a15");
264 for (n
= 0; n
< smp_cpus
; n
++) {
268 cpuobj
= object_new(machine
->cpu_type
);
269 cpu
= ARM_CPU(cpuobj
);
271 object_property_set_int(cpuobj
, "psci-conduit", QEMU_PSCI_CONDUIT_SMC
,
275 /* Secondary CPUs start in PSCI powered-down state */
276 object_property_set_bool(cpuobj
, "start-powered-off", true,
280 if (object_property_find(cpuobj
, "reset-cbar")) {
281 object_property_set_int(cpuobj
, "reset-cbar", MPCORE_PERIPHBASE
,
284 qdev_realize(DEVICE(cpuobj
), NULL
, &error_fatal
);
285 cpu_irq
[n
] = qdev_get_gpio_in(DEVICE(cpu
), ARM_CPU_IRQ
);
286 cpu_fiq
[n
] = qdev_get_gpio_in(DEVICE(cpu
), ARM_CPU_FIQ
);
287 cpu_virq
[n
] = qdev_get_gpio_in(DEVICE(cpu
), ARM_CPU_VIRQ
);
288 cpu_vfiq
[n
] = qdev_get_gpio_in(DEVICE(cpu
), ARM_CPU_VFIQ
);
291 sysmem
= get_system_memory();
292 /* SDRAM at address zero. */
293 memory_region_add_subregion(sysmem
, 0, machine
->ram
);
295 sysram
= g_new(MemoryRegion
, 1);
296 memory_region_init_ram(sysram
, NULL
, "highbank.sysram", 0x8000,
298 memory_region_add_subregion(sysmem
, 0xfff88000, sysram
);
299 if (machine
->firmware
!= NULL
) {
300 sysboot_filename
= qemu_find_file(QEMU_FILE_TYPE_BIOS
, machine
->firmware
);
301 if (sysboot_filename
!= NULL
) {
302 if (load_image_targphys(sysboot_filename
, 0xfff88000, 0x8000) < 0) {
303 error_report("Unable to load %s", machine
->firmware
);
306 g_free(sysboot_filename
);
308 error_report("Unable to find %s", machine
->firmware
);
313 switch (machine_id
) {
314 case CALXEDA_HIGHBANK
:
315 dev
= qdev_new("l2x0");
316 busdev
= SYS_BUS_DEVICE(dev
);
317 sysbus_realize_and_unref(busdev
, &error_fatal
);
318 sysbus_mmio_map(busdev
, 0, 0xfff12000);
320 dev
= qdev_new(TYPE_A9MPCORE_PRIV
);
323 dev
= qdev_new(TYPE_A15MPCORE_PRIV
);
326 qdev_prop_set_uint32(dev
, "num-cpu", smp_cpus
);
327 qdev_prop_set_uint32(dev
, "num-irq", NIRQ_GIC
);
328 busdev
= SYS_BUS_DEVICE(dev
);
329 sysbus_realize_and_unref(busdev
, &error_fatal
);
330 sysbus_mmio_map(busdev
, 0, MPCORE_PERIPHBASE
);
331 for (n
= 0; n
< smp_cpus
; n
++) {
332 sysbus_connect_irq(busdev
, n
, cpu_irq
[n
]);
333 sysbus_connect_irq(busdev
, n
+ smp_cpus
, cpu_fiq
[n
]);
334 sysbus_connect_irq(busdev
, n
+ 2 * smp_cpus
, cpu_virq
[n
]);
335 sysbus_connect_irq(busdev
, n
+ 3 * smp_cpus
, cpu_vfiq
[n
]);
338 for (n
= 0; n
< 128; n
++) {
339 pic
[n
] = qdev_get_gpio_in(dev
, n
);
342 dev
= qdev_new("sp804");
343 qdev_prop_set_uint32(dev
, "freq0", 150000000);
344 qdev_prop_set_uint32(dev
, "freq1", 150000000);
345 busdev
= SYS_BUS_DEVICE(dev
);
346 sysbus_realize_and_unref(busdev
, &error_fatal
);
347 sysbus_mmio_map(busdev
, 0, 0xfff34000);
348 sysbus_connect_irq(busdev
, 0, pic
[18]);
349 pl011_create(0xfff36000, pic
[20], serial_hd(0));
351 dev
= qdev_new(TYPE_HIGHBANK_REGISTERS
);
352 busdev
= SYS_BUS_DEVICE(dev
);
353 sysbus_realize_and_unref(busdev
, &error_fatal
);
354 sysbus_mmio_map(busdev
, 0, 0xfff3c000);
356 sysbus_create_simple("pl061", 0xfff30000, pic
[14]);
357 sysbus_create_simple("pl061", 0xfff31000, pic
[15]);
358 sysbus_create_simple("pl061", 0xfff32000, pic
[16]);
359 sysbus_create_simple("pl061", 0xfff33000, pic
[17]);
360 sysbus_create_simple("pl031", 0xfff35000, pic
[19]);
361 sysbus_create_simple("pl022", 0xfff39000, pic
[23]);
363 sysbus_create_simple(TYPE_SYSBUS_AHCI
, 0xffe08000, pic
[83]);
365 if (nd_table
[0].used
) {
366 qemu_check_nic_model(&nd_table
[0], "xgmac");
367 dev
= qdev_new("xgmac");
368 qdev_set_nic_properties(dev
, &nd_table
[0]);
369 sysbus_realize_and_unref(SYS_BUS_DEVICE(dev
), &error_fatal
);
370 sysbus_mmio_map(SYS_BUS_DEVICE(dev
), 0, 0xfff50000);
371 sysbus_connect_irq(SYS_BUS_DEVICE(dev
), 0, pic
[77]);
372 sysbus_connect_irq(SYS_BUS_DEVICE(dev
), 1, pic
[78]);
373 sysbus_connect_irq(SYS_BUS_DEVICE(dev
), 2, pic
[79]);
375 qemu_check_nic_model(&nd_table
[1], "xgmac");
376 dev
= qdev_new("xgmac");
377 qdev_set_nic_properties(dev
, &nd_table
[1]);
378 sysbus_realize_and_unref(SYS_BUS_DEVICE(dev
), &error_fatal
);
379 sysbus_mmio_map(SYS_BUS_DEVICE(dev
), 0, 0xfff51000);
380 sysbus_connect_irq(SYS_BUS_DEVICE(dev
), 0, pic
[80]);
381 sysbus_connect_irq(SYS_BUS_DEVICE(dev
), 1, pic
[81]);
382 sysbus_connect_irq(SYS_BUS_DEVICE(dev
), 2, pic
[82]);
385 /* TODO create and connect IDE devices for ide_drive_get() */
387 highbank_binfo
.ram_size
= machine
->ram_size
;
388 /* highbank requires a dtb in order to boot, and the dtb will override
389 * the board ID. The following value is ignored, so set it to -1 to be
390 * clear that the value is meaningless.
392 highbank_binfo
.board_id
= -1;
393 highbank_binfo
.nb_cpus
= smp_cpus
;
394 highbank_binfo
.loader_start
= 0;
395 highbank_binfo
.write_secondary_boot
= hb_write_secondary
;
396 highbank_binfo
.secondary_cpu_reset_hook
= hb_reset_secondary
;
397 highbank_binfo
.board_setup_addr
= BOARD_SETUP_ADDR
;
398 highbank_binfo
.write_board_setup
= hb_write_board_setup
;
399 highbank_binfo
.secure_board_setup
= true;
401 arm_load_kernel(ARM_CPU(first_cpu
), machine
, &highbank_binfo
);
404 static void highbank_init(MachineState
*machine
)
406 calxeda_init(machine
, CALXEDA_HIGHBANK
);
409 static void midway_init(MachineState
*machine
)
411 calxeda_init(machine
, CALXEDA_MIDWAY
);
414 static void highbank_class_init(ObjectClass
*oc
, void *data
)
416 MachineClass
*mc
= MACHINE_CLASS(oc
);
418 mc
->desc
= "Calxeda Highbank (ECX-1000)";
419 mc
->init
= highbank_init
;
420 mc
->block_default_type
= IF_IDE
;
421 mc
->units_per_default_bus
= 1;
423 mc
->ignore_memory_transaction_failures
= true;
424 mc
->default_ram_id
= "highbank.dram";
427 static const TypeInfo highbank_type
= {
428 .name
= MACHINE_TYPE_NAME("highbank"),
429 .parent
= TYPE_MACHINE
,
430 .class_init
= highbank_class_init
,
433 static void midway_class_init(ObjectClass
*oc
, void *data
)
435 MachineClass
*mc
= MACHINE_CLASS(oc
);
437 mc
->desc
= "Calxeda Midway (ECX-2000)";
438 mc
->init
= midway_init
;
439 mc
->block_default_type
= IF_IDE
;
440 mc
->units_per_default_bus
= 1;
442 mc
->ignore_memory_transaction_failures
= true;
443 mc
->default_ram_id
= "highbank.dram";
446 static const TypeInfo midway_type
= {
447 .name
= MACHINE_TYPE_NAME("midway"),
448 .parent
= TYPE_MACHINE
,
449 .class_init
= midway_class_init
,
452 static void calxeda_machines_init(void)
454 type_register_static(&highbank_type
);
455 type_register_static(&midway_type
);
458 type_init(calxeda_machines_init
)