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-rw-r--r--qemu/hw/m68k/mcf5208.c308
1 files changed, 0 insertions, 308 deletions
diff --git a/qemu/hw/m68k/mcf5208.c b/qemu/hw/m68k/mcf5208.c
deleted file mode 100644
index 24155574f..000000000
--- a/qemu/hw/m68k/mcf5208.c
+++ /dev/null
@@ -1,308 +0,0 @@
-/*
- * Motorola ColdFire MCF5208 SoC emulation.
- *
- * Copyright (c) 2007 CodeSourcery.
- *
- * This code is licensed under the GPL
- */
-#include "qemu/osdep.h"
-#include "qapi/error.h"
-#include "qemu-common.h"
-#include "cpu.h"
-#include "hw/hw.h"
-#include "hw/m68k/mcf.h"
-#include "qemu/timer.h"
-#include "hw/ptimer.h"
-#include "sysemu/sysemu.h"
-#include "sysemu/qtest.h"
-#include "net/net.h"
-#include "hw/boards.h"
-#include "hw/loader.h"
-#include "elf.h"
-#include "exec/address-spaces.h"
-
-#define SYS_FREQ 66000000
-
-#define PCSR_EN 0x0001
-#define PCSR_RLD 0x0002
-#define PCSR_PIF 0x0004
-#define PCSR_PIE 0x0008
-#define PCSR_OVW 0x0010
-#define PCSR_DBG 0x0020
-#define PCSR_DOZE 0x0040
-#define PCSR_PRE_SHIFT 8
-#define PCSR_PRE_MASK 0x0f00
-
-typedef struct {
- MemoryRegion iomem;
- qemu_irq irq;
- ptimer_state *timer;
- uint16_t pcsr;
- uint16_t pmr;
- uint16_t pcntr;
-} m5208_timer_state;
-
-static void m5208_timer_update(m5208_timer_state *s)
-{
- if ((s->pcsr & (PCSR_PIE | PCSR_PIF)) == (PCSR_PIE | PCSR_PIF))
- qemu_irq_raise(s->irq);
- else
- qemu_irq_lower(s->irq);
-}
-
-static void m5208_timer_write(void *opaque, hwaddr offset,
- uint64_t value, unsigned size)
-{
- m5208_timer_state *s = (m5208_timer_state *)opaque;
- int prescale;
- int limit;
- switch (offset) {
- case 0:
- /* The PIF bit is set-to-clear. */
- if (value & PCSR_PIF) {
- s->pcsr &= ~PCSR_PIF;
- value &= ~PCSR_PIF;
- }
- /* Avoid frobbing the timer if we're just twiddling IRQ bits. */
- if (((s->pcsr ^ value) & ~PCSR_PIE) == 0) {
- s->pcsr = value;
- m5208_timer_update(s);
- return;
- }
-
- if (s->pcsr & PCSR_EN)
- ptimer_stop(s->timer);
-
- s->pcsr = value;
-
- prescale = 1 << ((s->pcsr & PCSR_PRE_MASK) >> PCSR_PRE_SHIFT);
- ptimer_set_freq(s->timer, (SYS_FREQ / 2) / prescale);
- if (s->pcsr & PCSR_RLD)
- limit = s->pmr;
- else
- limit = 0xffff;
- ptimer_set_limit(s->timer, limit, 0);
-
- if (s->pcsr & PCSR_EN)
- ptimer_run(s->timer, 0);
- break;
- case 2:
- s->pmr = value;
- s->pcsr &= ~PCSR_PIF;
- if ((s->pcsr & PCSR_RLD) == 0) {
- if (s->pcsr & PCSR_OVW)
- ptimer_set_count(s->timer, value);
- } else {
- ptimer_set_limit(s->timer, value, s->pcsr & PCSR_OVW);
- }
- break;
- case 4:
- break;
- default:
- hw_error("m5208_timer_write: Bad offset 0x%x\n", (int)offset);
- break;
- }
- m5208_timer_update(s);
-}
-
-static void m5208_timer_trigger(void *opaque)
-{
- m5208_timer_state *s = (m5208_timer_state *)opaque;
- s->pcsr |= PCSR_PIF;
- m5208_timer_update(s);
-}
-
-static uint64_t m5208_timer_read(void *opaque, hwaddr addr,
- unsigned size)
-{
- m5208_timer_state *s = (m5208_timer_state *)opaque;
- switch (addr) {
- case 0:
- return s->pcsr;
- case 2:
- return s->pmr;
- case 4:
- return ptimer_get_count(s->timer);
- default:
- hw_error("m5208_timer_read: Bad offset 0x%x\n", (int)addr);
- return 0;
- }
-}
-
-static const MemoryRegionOps m5208_timer_ops = {
- .read = m5208_timer_read,
- .write = m5208_timer_write,
- .endianness = DEVICE_NATIVE_ENDIAN,
-};
-
-static uint64_t m5208_sys_read(void *opaque, hwaddr addr,
- unsigned size)
-{
- switch (addr) {
- case 0x110: /* SDCS0 */
- {
- int n;
- for (n = 0; n < 32; n++) {
- if (ram_size < (2u << n))
- break;
- }
- return (n - 1) | 0x40000000;
- }
- case 0x114: /* SDCS1 */
- return 0;
-
- default:
- hw_error("m5208_sys_read: Bad offset 0x%x\n", (int)addr);
- return 0;
- }
-}
-
-static void m5208_sys_write(void *opaque, hwaddr addr,
- uint64_t value, unsigned size)
-{
- hw_error("m5208_sys_write: Bad offset 0x%x\n", (int)addr);
-}
-
-static const MemoryRegionOps m5208_sys_ops = {
- .read = m5208_sys_read,
- .write = m5208_sys_write,
- .endianness = DEVICE_NATIVE_ENDIAN,
-};
-
-static void mcf5208_sys_init(MemoryRegion *address_space, qemu_irq *pic)
-{
- MemoryRegion *iomem = g_new(MemoryRegion, 1);
- m5208_timer_state *s;
- QEMUBH *bh;
- int i;
-
- /* SDRAMC. */
- memory_region_init_io(iomem, NULL, &m5208_sys_ops, NULL, "m5208-sys", 0x00004000);
- memory_region_add_subregion(address_space, 0xfc0a8000, iomem);
- /* Timers. */
- for (i = 0; i < 2; i++) {
- s = (m5208_timer_state *)g_malloc0(sizeof(m5208_timer_state));
- bh = qemu_bh_new(m5208_timer_trigger, s);
- s->timer = ptimer_init(bh);
- memory_region_init_io(&s->iomem, NULL, &m5208_timer_ops, s,
- "m5208-timer", 0x00004000);
- memory_region_add_subregion(address_space, 0xfc080000 + 0x4000 * i,
- &s->iomem);
- s->irq = pic[4 + i];
- }
-}
-
-static void mcf5208evb_init(MachineState *machine)
-{
- ram_addr_t ram_size = machine->ram_size;
- const char *cpu_model = machine->cpu_model;
- const char *kernel_filename = machine->kernel_filename;
- M68kCPU *cpu;
- CPUM68KState *env;
- int kernel_size;
- uint64_t elf_entry;
- hwaddr entry;
- qemu_irq *pic;
- MemoryRegion *address_space_mem = get_system_memory();
- MemoryRegion *ram = g_new(MemoryRegion, 1);
- MemoryRegion *sram = g_new(MemoryRegion, 1);
-
- if (!cpu_model) {
- cpu_model = "m5208";
- }
- cpu = cpu_m68k_init(cpu_model);
- if (!cpu) {
- fprintf(stderr, "Unable to find m68k CPU definition\n");
- exit(1);
- }
- env = &cpu->env;
-
- /* Initialize CPU registers. */
- env->vbr = 0;
- /* TODO: Configure BARs. */
-
- /* DRAM at 0x40000000 */
- memory_region_allocate_system_memory(ram, NULL, "mcf5208.ram", ram_size);
- memory_region_add_subregion(address_space_mem, 0x40000000, ram);
-
- /* Internal SRAM. */
- memory_region_init_ram(sram, NULL, "mcf5208.sram", 16384, &error_fatal);
- vmstate_register_ram_global(sram);
- memory_region_add_subregion(address_space_mem, 0x80000000, sram);
-
- /* Internal peripherals. */
- pic = mcf_intc_init(address_space_mem, 0xfc048000, cpu);
-
- mcf_uart_mm_init(address_space_mem, 0xfc060000, pic[26], serial_hds[0]);
- mcf_uart_mm_init(address_space_mem, 0xfc064000, pic[27], serial_hds[1]);
- mcf_uart_mm_init(address_space_mem, 0xfc068000, pic[28], serial_hds[2]);
-
- mcf5208_sys_init(address_space_mem, pic);
-
- if (nb_nics > 1) {
- fprintf(stderr, "Too many NICs\n");
- exit(1);
- }
- if (nd_table[0].used)
- mcf_fec_init(address_space_mem, &nd_table[0],
- 0xfc030000, pic + 36);
-
- /* 0xfc000000 SCM. */
- /* 0xfc004000 XBS. */
- /* 0xfc008000 FlexBus CS. */
- /* 0xfc030000 FEC. */
- /* 0xfc040000 SCM + Power management. */
- /* 0xfc044000 eDMA. */
- /* 0xfc048000 INTC. */
- /* 0xfc058000 I2C. */
- /* 0xfc05c000 QSPI. */
- /* 0xfc060000 UART0. */
- /* 0xfc064000 UART0. */
- /* 0xfc068000 UART0. */
- /* 0xfc070000 DMA timers. */
- /* 0xfc080000 PIT0. */
- /* 0xfc084000 PIT1. */
- /* 0xfc088000 EPORT. */
- /* 0xfc08c000 Watchdog. */
- /* 0xfc090000 clock module. */
- /* 0xfc0a0000 CCM + reset. */
- /* 0xfc0a4000 GPIO. */
- /* 0xfc0a8000 SDRAM controller. */
-
- /* Load kernel. */
- if (!kernel_filename) {
- if (qtest_enabled()) {
- return;
- }
- fprintf(stderr, "Kernel image must be specified\n");
- exit(1);
- }
-
- kernel_size = load_elf(kernel_filename, NULL, NULL, &elf_entry,
- NULL, NULL, 1, EM_68K, 0, 0);
- entry = elf_entry;
- if (kernel_size < 0) {
- kernel_size = load_uimage(kernel_filename, &entry, NULL, NULL,
- NULL, NULL);
- }
- if (kernel_size < 0) {
- kernel_size = load_image_targphys(kernel_filename, 0x40000000,
- ram_size);
- entry = 0x40000000;
- }
- if (kernel_size < 0) {
- fprintf(stderr, "qemu: could not load kernel '%s'\n", kernel_filename);
- exit(1);
- }
-
- env->pc = entry;
-}
-
-static void mcf5208evb_machine_init(MachineClass *mc)
-{
- mc->desc = "MCF5206EVB";
- mc->init = mcf5208evb_init;
- mc->is_default = 1;
-}
-
-DEFINE_MACHINE("mcf5208evb", mcf5208evb_machine_init)