diff options
Diffstat (limited to 'hw/puv3.c')
| -rw-r--r-- | hw/puv3.c | 131 |
1 files changed, 0 insertions, 131 deletions
diff --git a/hw/puv3.c b/hw/puv3.c deleted file mode 100644 index 43f7216e4e..0000000000 --- a/hw/puv3.c +++ /dev/null @@ -1,131 +0,0 @@ -/* - * Generic PKUnity SoC machine and board descriptor - * - * Copyright (C) 2010-2012 Guan Xuetao - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation, or any later version. - * See the COPYING file in the top-level directory. - */ -#include "console.h" -#include "elf.h" -#include "exec-memory.h" -#include "sysbus.h" -#include "boards.h" -#include "loader.h" -#include "pc.h" - -#undef DEBUG_PUV3 -#include "puv3.h" - -#define KERNEL_LOAD_ADDR 0x03000000 -#define KERNEL_MAX_SIZE 0x00800000 /* Just a guess */ - -static void puv3_intc_cpu_handler(void *opaque, int irq, int level) -{ - CPUUniCore32State *env = opaque; - - assert(irq == 0); - if (level) { - cpu_interrupt(env, CPU_INTERRUPT_HARD); - } else { - cpu_reset_interrupt(env, CPU_INTERRUPT_HARD); - } -} - -static void puv3_soc_init(CPUUniCore32State *env) -{ - qemu_irq *cpu_intc, irqs[PUV3_IRQS_NR]; - DeviceState *dev; - MemoryRegion *i8042 = g_new(MemoryRegion, 1); - int i; - - /* Initialize interrupt controller */ - cpu_intc = qemu_allocate_irqs(puv3_intc_cpu_handler, env, 1); - dev = sysbus_create_simple("puv3_intc", PUV3_INTC_BASE, *cpu_intc); - for (i = 0; i < PUV3_IRQS_NR; i++) { - irqs[i] = qdev_get_gpio_in(dev, i); - } - - /* Initialize minimal necessary devices for kernel booting */ - sysbus_create_simple("puv3_pm", PUV3_PM_BASE, NULL); - sysbus_create_simple("puv3_dma", PUV3_DMA_BASE, NULL); - sysbus_create_simple("puv3_ost", PUV3_OST_BASE, irqs[PUV3_IRQS_OST0]); - sysbus_create_varargs("puv3_gpio", PUV3_GPIO_BASE, - irqs[PUV3_IRQS_GPIOLOW0], irqs[PUV3_IRQS_GPIOLOW1], - irqs[PUV3_IRQS_GPIOLOW2], irqs[PUV3_IRQS_GPIOLOW3], - irqs[PUV3_IRQS_GPIOLOW4], irqs[PUV3_IRQS_GPIOLOW5], - irqs[PUV3_IRQS_GPIOLOW6], irqs[PUV3_IRQS_GPIOLOW7], - irqs[PUV3_IRQS_GPIOHIGH], NULL); - - /* Keyboard (i8042), mouse disabled for nographic */ - i8042_mm_init(irqs[PUV3_IRQS_PS2_KBD], NULL, i8042, PUV3_REGS_OFFSET, 4); - memory_region_add_subregion(get_system_memory(), PUV3_PS2_BASE, i8042); -} - -static void puv3_board_init(CPUUniCore32State *env, ram_addr_t ram_size) -{ - MemoryRegion *ram_memory = g_new(MemoryRegion, 1); - - /* SDRAM at address zero. */ - memory_region_init_ram(ram_memory, "puv3.ram", ram_size); - vmstate_register_ram_global(ram_memory); - memory_region_add_subregion(get_system_memory(), 0, ram_memory); -} - -static void puv3_load_kernel(const char *kernel_filename) -{ - int size; - - assert(kernel_filename != NULL); - - /* only zImage format supported */ - size = load_image_targphys(kernel_filename, KERNEL_LOAD_ADDR, - KERNEL_MAX_SIZE); - if (size < 0) { - hw_error("Load kernel error: '%s'\n", kernel_filename); - } - - /* cheat curses that we have a graphic console, only under ocd console */ - graphic_console_init(NULL, NULL, NULL, NULL, NULL); -} - -static void puv3_init(ram_addr_t ram_size, const char *boot_device, - const char *kernel_filename, const char *kernel_cmdline, - const char *initrd_filename, const char *cpu_model) -{ - CPUUniCore32State *env; - - if (initrd_filename) { - hw_error("Please use kernel built-in initramdisk.\n"); - } - - if (!cpu_model) { - cpu_model = "UniCore-II"; - } - - env = cpu_init(cpu_model); - if (!env) { - hw_error("Unable to find CPU definition\n"); - } - - puv3_soc_init(env); - puv3_board_init(env, ram_size); - puv3_load_kernel(kernel_filename); -} - -static QEMUMachine puv3_machine = { - .name = "puv3", - .desc = "PKUnity Version-3 based on UniCore32", - .init = puv3_init, - .is_default = 1, - .use_scsi = 0, -}; - -static void puv3_machine_init(void) -{ - qemu_register_machine(&puv3_machine); -} - -machine_init(puv3_machine_init) |