diff options
Diffstat (limited to 'qemu/hw/sh4/r2d.c')
| -rw-r--r-- | qemu/hw/sh4/r2d.c | 367 |
1 files changed, 0 insertions, 367 deletions
diff --git a/qemu/hw/sh4/r2d.c b/qemu/hw/sh4/r2d.c deleted file mode 100644 index db373c70c..000000000 --- a/qemu/hw/sh4/r2d.c +++ /dev/null @@ -1,367 +0,0 @@ -/* - * Renesas SH7751R R2D-PLUS emulation - * - * Copyright (c) 2007 Magnus Damm - * Copyright (c) 2008 Paul Mundt - * - * Permission is hereby granted, free of charge, to any person obtaining a copy - * of this software and associated documentation files (the "Software"), to deal - * in the Software without restriction, including without limitation the rights - * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell - * copies of the Software, and to permit persons to whom the Software is - * furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice shall be included in - * all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL - * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER - * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, - * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN - * THE SOFTWARE. - */ - -#include "qemu/osdep.h" -#include "qapi/error.h" -#include "qemu-common.h" -#include "cpu.h" -#include "hw/sysbus.h" -#include "hw/hw.h" -#include "hw/sh4/sh.h" -#include "hw/devices.h" -#include "sysemu/sysemu.h" -#include "hw/boards.h" -#include "hw/pci/pci.h" -#include "net/net.h" -#include "sh7750_regs.h" -#include "hw/ide.h" -#include "hw/loader.h" -#include "hw/usb.h" -#include "hw/block/flash.h" -#include "sysemu/block-backend.h" -#include "exec/address-spaces.h" - -#define FLASH_BASE 0x00000000 -#define FLASH_SIZE 0x02000000 - -#define SDRAM_BASE 0x0c000000 /* Physical location of SDRAM: Area 3 */ -#define SDRAM_SIZE 0x04000000 - -#define SM501_VRAM_SIZE 0x800000 - -#define BOOT_PARAMS_OFFSET 0x0010000 -/* CONFIG_BOOT_LINK_OFFSET of Linux kernel */ -#define LINUX_LOAD_OFFSET 0x0800000 -#define INITRD_LOAD_OFFSET 0x1800000 - -#define PA_IRLMSK 0x00 -#define PA_POWOFF 0x30 -#define PA_VERREG 0x32 -#define PA_OUTPORT 0x36 - -typedef struct { - uint16_t bcr; - uint16_t irlmsk; - uint16_t irlmon; - uint16_t cfctl; - uint16_t cfpow; - uint16_t dispctl; - uint16_t sdmpow; - uint16_t rtcce; - uint16_t pcicd; - uint16_t voyagerrts; - uint16_t cfrst; - uint16_t admrts; - uint16_t extrst; - uint16_t cfcdintclr; - uint16_t keyctlclr; - uint16_t pad0; - uint16_t pad1; - uint16_t verreg; - uint16_t inport; - uint16_t outport; - uint16_t bverreg; - -/* output pin */ - qemu_irq irl; - MemoryRegion iomem; -} r2d_fpga_t; - -enum r2d_fpga_irq { - PCI_INTD, CF_IDE, CF_CD, PCI_INTC, SM501, KEY, RTC_A, RTC_T, - SDCARD, PCI_INTA, PCI_INTB, EXT, TP, - NR_IRQS -}; - -static const struct { short irl; uint16_t msk; } irqtab[NR_IRQS] = { - [CF_IDE] = { 1, 1<<9 }, - [CF_CD] = { 2, 1<<8 }, - [PCI_INTA] = { 9, 1<<14 }, - [PCI_INTB] = { 10, 1<<13 }, - [PCI_INTC] = { 3, 1<<12 }, - [PCI_INTD] = { 0, 1<<11 }, - [SM501] = { 4, 1<<10 }, - [KEY] = { 5, 1<<6 }, - [RTC_A] = { 6, 1<<5 }, - [RTC_T] = { 7, 1<<4 }, - [SDCARD] = { 8, 1<<7 }, - [EXT] = { 11, 1<<0 }, - [TP] = { 12, 1<<15 }, -}; - -static void update_irl(r2d_fpga_t *fpga) -{ - int i, irl = 15; - for (i = 0; i < NR_IRQS; i++) - if (fpga->irlmon & fpga->irlmsk & irqtab[i].msk) - if (irqtab[i].irl < irl) - irl = irqtab[i].irl; - qemu_set_irq(fpga->irl, irl ^ 15); -} - -static void r2d_fpga_irq_set(void *opaque, int n, int level) -{ - r2d_fpga_t *fpga = opaque; - if (level) - fpga->irlmon |= irqtab[n].msk; - else - fpga->irlmon &= ~irqtab[n].msk; - update_irl(fpga); -} - -static uint64_t r2d_fpga_read(void *opaque, hwaddr addr, unsigned int size) -{ - r2d_fpga_t *s = opaque; - - switch (addr) { - case PA_IRLMSK: - return s->irlmsk; - case PA_OUTPORT: - return s->outport; - case PA_POWOFF: - return 0x00; - case PA_VERREG: - return 0x10; - } - - return 0; -} - -static void -r2d_fpga_write(void *opaque, hwaddr addr, uint64_t value, unsigned int size) -{ - r2d_fpga_t *s = opaque; - - switch (addr) { - case PA_IRLMSK: - s->irlmsk = value; - update_irl(s); - break; - case PA_OUTPORT: - s->outport = value; - break; - case PA_POWOFF: - if (value & 1) { - qemu_system_shutdown_request(); - } - break; - case PA_VERREG: - /* Discard writes */ - break; - } -} - -static const MemoryRegionOps r2d_fpga_ops = { - .read = r2d_fpga_read, - .write = r2d_fpga_write, - .impl.min_access_size = 2, - .impl.max_access_size = 2, - .endianness = DEVICE_NATIVE_ENDIAN, -}; - -static qemu_irq *r2d_fpga_init(MemoryRegion *sysmem, - hwaddr base, qemu_irq irl) -{ - r2d_fpga_t *s; - - s = g_malloc0(sizeof(r2d_fpga_t)); - - s->irl = irl; - - memory_region_init_io(&s->iomem, NULL, &r2d_fpga_ops, s, "r2d-fpga", 0x40); - memory_region_add_subregion(sysmem, base, &s->iomem); - return qemu_allocate_irqs(r2d_fpga_irq_set, s, NR_IRQS); -} - -typedef struct ResetData { - SuperHCPU *cpu; - uint32_t vector; -} ResetData; - -static void main_cpu_reset(void *opaque) -{ - ResetData *s = (ResetData *)opaque; - CPUSH4State *env = &s->cpu->env; - - cpu_reset(CPU(s->cpu)); - env->pc = s->vector; -} - -static struct QEMU_PACKED -{ - int mount_root_rdonly; - int ramdisk_flags; - int orig_root_dev; - int loader_type; - int initrd_start; - int initrd_size; - - char pad[232]; - - char kernel_cmdline[256]; -} boot_params; - -static void r2d_init(MachineState *machine) -{ - const char *cpu_model = machine->cpu_model; - const char *kernel_filename = machine->kernel_filename; - const char *kernel_cmdline = machine->kernel_cmdline; - const char *initrd_filename = machine->initrd_filename; - SuperHCPU *cpu; - CPUSH4State *env; - ResetData *reset_info; - struct SH7750State *s; - MemoryRegion *sdram = g_new(MemoryRegion, 1); - qemu_irq *irq; - DriveInfo *dinfo; - int i; - DeviceState *dev; - SysBusDevice *busdev; - MemoryRegion *address_space_mem = get_system_memory(); - PCIBus *pci_bus; - - if (cpu_model == NULL) { - cpu_model = "SH7751R"; - } - - cpu = cpu_sh4_init(cpu_model); - if (cpu == NULL) { - fprintf(stderr, "Unable to find CPU definition\n"); - exit(1); - } - env = &cpu->env; - - reset_info = g_malloc0(sizeof(ResetData)); - reset_info->cpu = cpu; - reset_info->vector = env->pc; - qemu_register_reset(main_cpu_reset, reset_info); - - /* Allocate memory space */ - memory_region_init_ram(sdram, NULL, "r2d.sdram", SDRAM_SIZE, &error_fatal); - vmstate_register_ram_global(sdram); - memory_region_add_subregion(address_space_mem, SDRAM_BASE, sdram); - /* Register peripherals */ - s = sh7750_init(cpu, address_space_mem); - irq = r2d_fpga_init(address_space_mem, 0x04000000, sh7750_irl(s)); - - dev = qdev_create(NULL, "sh_pci"); - busdev = SYS_BUS_DEVICE(dev); - qdev_init_nofail(dev); - pci_bus = PCI_BUS(qdev_get_child_bus(dev, "pci")); - sysbus_mmio_map(busdev, 0, P4ADDR(0x1e200000)); - sysbus_mmio_map(busdev, 1, A7ADDR(0x1e200000)); - sysbus_connect_irq(busdev, 0, irq[PCI_INTA]); - sysbus_connect_irq(busdev, 1, irq[PCI_INTB]); - sysbus_connect_irq(busdev, 2, irq[PCI_INTC]); - sysbus_connect_irq(busdev, 3, irq[PCI_INTD]); - - sm501_init(address_space_mem, 0x10000000, SM501_VRAM_SIZE, - irq[SM501], serial_hds[2]); - - /* onboard CF (True IDE mode, Master only). */ - dinfo = drive_get(IF_IDE, 0, 0); - dev = qdev_create(NULL, "mmio-ide"); - busdev = SYS_BUS_DEVICE(dev); - sysbus_connect_irq(busdev, 0, irq[CF_IDE]); - qdev_prop_set_uint32(dev, "shift", 1); - qdev_init_nofail(dev); - sysbus_mmio_map(busdev, 0, 0x14001000); - sysbus_mmio_map(busdev, 1, 0x1400080c); - mmio_ide_init_drives(dev, dinfo, NULL); - - /* onboard flash memory */ - dinfo = drive_get(IF_PFLASH, 0, 0); - pflash_cfi02_register(0x0, NULL, "r2d.flash", FLASH_SIZE, - dinfo ? blk_by_legacy_dinfo(dinfo) : NULL, - (16 * 1024), FLASH_SIZE >> 16, - 1, 4, 0x0000, 0x0000, 0x0000, 0x0000, - 0x555, 0x2aa, 0); - - /* NIC: rtl8139 on-board, and 2 slots. */ - for (i = 0; i < nb_nics; i++) - pci_nic_init_nofail(&nd_table[i], pci_bus, - "rtl8139", i==0 ? "2" : NULL); - - /* USB keyboard */ - usb_create_simple(usb_bus_find(-1), "usb-kbd"); - - /* Todo: register on board registers */ - memset(&boot_params, 0, sizeof(boot_params)); - - if (kernel_filename) { - int kernel_size; - - kernel_size = load_image_targphys(kernel_filename, - SDRAM_BASE + LINUX_LOAD_OFFSET, - INITRD_LOAD_OFFSET - LINUX_LOAD_OFFSET); - if (kernel_size < 0) { - fprintf(stderr, "qemu: could not load kernel '%s'\n", kernel_filename); - exit(1); - } - - /* initialization which should be done by firmware */ - address_space_stl(&address_space_memory, SH7750_BCR1, 1 << 3, - MEMTXATTRS_UNSPECIFIED, NULL); /* cs3 SDRAM */ - address_space_stw(&address_space_memory, SH7750_BCR2, 3 << (3 * 2), - MEMTXATTRS_UNSPECIFIED, NULL); /* cs3 32bit */ - reset_info->vector = (SDRAM_BASE + LINUX_LOAD_OFFSET) | 0xa0000000; /* Start from P2 area */ - } - - if (initrd_filename) { - int initrd_size; - - initrd_size = load_image_targphys(initrd_filename, - SDRAM_BASE + INITRD_LOAD_OFFSET, - SDRAM_SIZE - INITRD_LOAD_OFFSET); - - if (initrd_size < 0) { - fprintf(stderr, "qemu: could not load initrd '%s'\n", initrd_filename); - exit(1); - } - - /* initialization which should be done by firmware */ - boot_params.loader_type = tswap32(1); - boot_params.initrd_start = tswap32(INITRD_LOAD_OFFSET); - boot_params.initrd_size = tswap32(initrd_size); - } - - if (kernel_cmdline) { - /* I see no evidence that this .kernel_cmdline buffer requires - NUL-termination, so using strncpy should be ok. */ - strncpy(boot_params.kernel_cmdline, kernel_cmdline, - sizeof(boot_params.kernel_cmdline)); - } - - rom_add_blob_fixed("boot_params", &boot_params, sizeof(boot_params), - SDRAM_BASE + BOOT_PARAMS_OFFSET); -} - -static void r2d_machine_init(MachineClass *mc) -{ - mc->desc = "r2d-plus board"; - mc->init = r2d_init; -} - -DEFINE_MACHINE("r2d", r2d_machine_init) |