12  * See the COPYING file in the top-level directory.
24 #include "qemu/error-report.h"
30 #define TYPE_RASPI_MACHINE  MACHINE_TYPE_NAME("raspi-common")
49  * www.raspberrypi.org/documentation/hardware/raspberrypi/revision-codes/
122         { 0xe59f5014 }, /*    ldr     r5, =0x400000CC      ;load mbox base */  in write_smpboot()
124         { 0xe7953200 }, /*    ldr     r3, [r5, r0, lsl #4] ;read mbox for our core */  in write_smpboot()
127         { 0xe7853200 }, /*    str     r3, [r5, r0, lsl #4] ;clear mbox */  in write_smpboot()
141                          info->smp_loader_start, smpboot, fixupcontext);  in write_smpboot()
148      * The mechanism for doing the spin-table is also entirely different.  in write_smpboot64()
149      * We must have four 64-bit fields at absolute addresses  in write_smpboot64()
175     arm_write_bootloader("raspi_smpboot", as, info->smp_loader_start,  in write_smpboot64()
189     cpu_set_pc(cs, info->smp_loader_start);  in reset_secondary()
198     s->binfo.ram_size = ram_size;  in setup_boot()
202          * The BCM2835 and BCM2836 require some custom setup code to run  in setup_boot()
204          * so that we get a no-op SMC; this is used by Linux to call the  in setup_boot()
208         s->binfo.board_setup_addr = BOARDSETUP_ADDR;  in setup_boot()
209         s->binfo.write_board_setup = write_board_setup;  in setup_boot()
210         s->binfo.secure_board_setup = true;  in setup_boot()
211         s->binfo.secure_boot = true;  in setup_boot()
216         s->binfo.smp_loader_start = SMPBOOT_ADDR;  in setup_boot()
218             s->binfo.write_secondary_boot = write_smpboot;  in setup_boot()
220             s->binfo.write_secondary_boot = write_smpboot64;  in setup_boot()
222         s->binfo.secondary_cpu_reset_hook = reset_secondary;  in setup_boot()
228     if (machine->firmware) {  in setup_boot()
232         r = load_image_targphys(machine->firmware, firmware_addr,  in setup_boot()
233                                 ram_size - firmware_addr);  in setup_boot()
235             error_report("Failed to load firmware from %s", machine->firmware);  in setup_boot()
239         s->binfo.entry = firmware_addr;  in setup_boot()
240         s->binfo.firmware_loaded = true;  in setup_boot()
243     arm_load_kernel(cpu, machine, &s->binfo);  in setup_boot()
250     uint32_t board_rev = mc->board_rev;  in raspi_base_machine_init()
259     if (machine->ram_size != ram_size) {  in raspi_base_machine_init()
268                                         machine->ram, 0);  in raspi_base_machine_init()
271     object_property_add_const_link(OBJECT(soc), "ram", OBJECT(machine->ram));  in raspi_base_machine_init()
272     object_property_set_int(OBJECT(soc), "board-rev", board_rev,  in raspi_base_machine_init()
274     object_property_set_str(OBJECT(soc), "command-line",  in raspi_base_machine_init()
275                             machine->kernel_cmdline, &error_abort);  in raspi_base_machine_init()
281     bus = qdev_get_child_bus(DEVICE(soc), "sd-bus");  in raspi_base_machine_init()
290     vcram_size = object_property_get_uint(OBJECT(soc), "vcram-size",  in raspi_base_machine_init()
292     vcram_base = object_property_get_uint(OBJECT(soc), "vcram-base",  in raspi_base_machine_init()
296         vcram_base = ram_size - vcram_size;  in raspi_base_machine_init()
298     boot_ram_size = MIN(vcram_base, UPPER_RAM_BASE - vcram_size);  in raspi_base_machine_init()
300     setup_boot(machine, &soc->cpu[0].core, board_processor_id(board_rev),  in raspi_base_machine_init()
309     BCM283XState *soc = &s->soc;  in raspi_machine_init()
311     s_base->binfo.board_id = MACH_TYPE_BCM2708;  in raspi_machine_init()
314                             board_soc_type(mc->board_rev));  in raspi_machine_init()
315     raspi_base_machine_init(machine, &soc->parent_obj);  in raspi_machine_init()
321     mc->desc = g_strdup_printf("Raspberry Pi %s (revision 1.%u)",  in raspi_machine_class_common_init()
324     mc->block_default_type = IF_SD;  in raspi_machine_class_common_init()
325     mc->no_parallel = 1;  in raspi_machine_class_common_init()
326     mc->no_floppy = 1;  in raspi_machine_class_common_init()
327     mc->no_cdrom = 1;  in raspi_machine_class_common_init()
328     mc->default_cpus = mc->min_cpus = mc->max_cpus = cores_count(board_rev);  in raspi_machine_class_common_init()
329     mc->default_ram_size = board_ram_size(board_rev);  in raspi_machine_class_common_init()
330     mc->default_ram_id = "ram";  in raspi_machine_class_common_init()
337     mc->init = raspi_machine_init;  in raspi_machine_class_init()
345     rmc->board_rev = 0x920092; /* Revision 1.2 */  in raspi0_machine_class_init()
346     raspi_machine_class_init(mc, rmc->board_rev);  in raspi0_machine_class_init()
354     rmc->board_rev = 0x900021; /* Revision 1.1 */  in raspi1ap_machine_class_init()
355     raspi_machine_class_init(mc, rmc->board_rev);  in raspi1ap_machine_class_init()
363     rmc->board_rev = 0xa21041;  in raspi2b_machine_class_init()
364     raspi_machine_class_init(mc, rmc->board_rev);  in raspi2b_machine_class_init()
373     rmc->board_rev = 0x9020e0; /* Revision 1.0 */  in raspi3ap_machine_class_init()
374     raspi_machine_class_init(mc, rmc->board_rev);  in raspi3ap_machine_class_init()
382     rmc->board_rev = 0xa02082;  in raspi3b_machine_class_init()
383     raspi_machine_class_init(mc, rmc->board_rev);  in raspi3b_machine_class_init()