12  * https://www.nxp.com/docs/en/reference-manual/MCF5208RM.pdf
13  * "M5208EVB-RevB 32-bit Microcontroller User Manual"
14  * https://www.nxp.com/docs/en/reference-manual/M5208EVBUM.pdf
19 #include "qemu/error-report.h"
64     if ((s->pcsr & (PCSR_PIE | PCSR_PIF)) == (PCSR_PIE | PCSR_PIF))  in m5208_timer_update()
65         qemu_irq_raise(s->irq);  in m5208_timer_update()
67         qemu_irq_lower(s->irq);  in m5208_timer_update()
78         /* The PIF bit is set-to-clear.  */  in m5208_timer_write()
80             s->pcsr &= ~PCSR_PIF;  in m5208_timer_write()
84         if (((s->pcsr ^ value) & ~PCSR_PIE) == 0) {  in m5208_timer_write()
85             s->pcsr = value;  in m5208_timer_write()
90         ptimer_transaction_begin(s->timer);  in m5208_timer_write()
91         if (s->pcsr & PCSR_EN)  in m5208_timer_write()
92             ptimer_stop(s->timer);  in m5208_timer_write()
94         s->pcsr = value;  in m5208_timer_write()
96         prescale = 1 << ((s->pcsr & PCSR_PRE_MASK) >> PCSR_PRE_SHIFT);  in m5208_timer_write()
97         ptimer_set_freq(s->timer, (SYS_FREQ / 2) / prescale);  in m5208_timer_write()
98         if (s->pcsr & PCSR_RLD)  in m5208_timer_write()
99             limit = s->pmr;  in m5208_timer_write()
102         ptimer_set_limit(s->timer, limit, 0);  in m5208_timer_write()
104         if (s->pcsr & PCSR_EN)  in m5208_timer_write()
105             ptimer_run(s->timer, 0);  in m5208_timer_write()
106         ptimer_transaction_commit(s->timer);  in m5208_timer_write()
109         ptimer_transaction_begin(s->timer);  in m5208_timer_write()
110         s->pmr = value;  in m5208_timer_write()
111         s->pcsr &= ~PCSR_PIF;  in m5208_timer_write()
112         if ((s->pcsr & PCSR_RLD) == 0) {  in m5208_timer_write()
113             if (s->pcsr & PCSR_OVW)  in m5208_timer_write()
114                 ptimer_set_count(s->timer, value);  in m5208_timer_write()
116             ptimer_set_limit(s->timer, value, s->pcsr & PCSR_OVW);  in m5208_timer_write()
118         ptimer_transaction_commit(s->timer);  in m5208_timer_write()
133     s->pcsr |= PCSR_PIF;  in m5208_timer_trigger()
137 static uint64_t m5208_timer_read(void *opaque, hwaddr addr,  in m5208_timer_read()  argument
141     switch (addr) {  in m5208_timer_read()
143         return s->pcsr;  in m5208_timer_read()
145         return s->pmr;  in m5208_timer_read()
147         return ptimer_get_count(s->timer);  in m5208_timer_read()
150                       __func__, addr);  in m5208_timer_read()
161 static uint64_t m5208_sys_read(void *opaque, hwaddr addr,  in m5208_sys_read()  argument
164     switch (addr) {  in m5208_sys_read()
169                 if (current_machine->ram_size < (2ULL << n)) {  in m5208_sys_read()
173             return (n - 1)  | 0x40000000;  in m5208_sys_read()
180                       __func__, addr);  in m5208_sys_read()
185 static void m5208_sys_write(void *opaque, hwaddr addr,  in m5208_sys_write()  argument
189                   __func__, addr);  in m5208_sys_write()
198 static uint64_t m5208_rcm_read(void *opaque, hwaddr addr,  in m5208_rcm_read()  argument
204 static void m5208_rcm_write(void *opaque, hwaddr addr,  in m5208_rcm_write()  argument
209     switch (addr) {  in m5208_rcm_write()
213             cpu->env.aregs[7] = ldl_phys(cs->as, 0);  in m5208_rcm_write()
214             cpu->env.pc = ldl_phys(cs->as, 4);  in m5208_rcm_write()
219                       __func__, addr);  in m5208_rcm_write()
240                           "m5208-rcm", 0x00000080);  in mcf5208_sys_init()
243     memory_region_init_io(iomem, NULL, &m5208_sys_ops, NULL, "m5208-sys", 0x00004000);  in mcf5208_sys_init()
248         s->timer = ptimer_init(m5208_timer_trigger, s, PTIMER_POLICY_LEGACY);  in mcf5208_sys_init()
249         memory_region_init_io(&s->iomem, NULL, &m5208_timer_ops, s,  in mcf5208_sys_init()
250                               "m5208-timer", 0x00004000);  in mcf5208_sys_init()
252                                     &s->iomem);  in mcf5208_sys_init()
253         s->irq = pic[4 + i];  in mcf5208_sys_init()
279     ram_addr_t ram_size = machine->ram_size;  in mcf5208evb_init()
280     const char *kernel_filename = machine->kernel_filename;  in mcf5208evb_init()
288     MemoryRegion *rom = g_new(MemoryRegion, 1);  in mcf5208evb_init()  local
291     cpu = M68K_CPU(cpu_create(machine->cpu_type));  in mcf5208evb_init()
292     env = &cpu->env;  in mcf5208evb_init()
295     env->vbr = 0;  in mcf5208evb_init()
298     /* ROM at 0x00000000 */  in mcf5208evb_init()
299     memory_region_init_rom(rom, NULL, "mcf5208.rom", ROM_SIZE, &error_fatal);  in mcf5208evb_init()
300     memory_region_add_subregion(address_space_mem, 0x00000000, rom);  in mcf5208evb_init()
303     memory_region_add_subregion(address_space_mem, 0x40000000, machine->ram);  in mcf5208evb_init()
345     if (machine->firmware) {  in mcf5208evb_init()
349         fn = qemu_find_file(QEMU_FILE_TYPE_BIOS, machine->firmware);  in mcf5208evb_init()
351             error_report("Could not find ROM image '%s'", machine->firmware);  in mcf5208evb_init()
355             error_report("Could not load ROM image '%s'", machine->firmware);  in mcf5208evb_init()
362         env->pc = ldl_be_p(ptr);  in mcf5208evb_init()
367         if (qtest_enabled() || machine->firmware) {  in mcf5208evb_init()
391     env->pc = entry;  in mcf5208evb_init()
396     mc->desc = "MCF5208EVB";  in mcf5208evb_machine_init()
397     mc->init = mcf5208evb_init;  in mcf5208evb_machine_init()
398     mc->is_default = true;  in mcf5208evb_machine_init()
399     mc->default_cpu_type = M68K_CPU_TYPE_NAME("m5208");  in mcf5208evb_machine_init()
400     mc->default_ram_id = "mcf5208.ram";  in mcf5208evb_machine_init()