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authorAnthony Liguori <aliguori@us.ibm.com>2013-03-10 19:39:07 -0500
committerAnthony Liguori <aliguori@us.ibm.com>2013-03-10 19:56:35 -0500
commit6e72a00f909dcd093fbdd1faa2b3c8caa1697a6c (patch)
tree8f275496c83f840e00daf4af97beac94b3a3e0b3 /hw/ppc/virtex_ml507.c
parent6a245c666d02210b8461952eccc17379fdeedd9f (diff)
parent7a2771d1541ec9a0c585e9b853e5f4dc036919ad (diff)
Merge remote-tracking branch 'bonzini/hw-dirs' into staging
* bonzini/hw-dirs: sh: move files referencing CPU to hw/sh4/ ppc: move more files to hw/ppc ppc: move files referencing CPU to hw/ppc/ m68k: move files referencing CPU to hw/m68k/ i386: move files referencing CPU to hw/i386/ arm: move files referencing CPU to hw/arm/ hw: move boards and other isolated files to hw/ARCH ppc: express FDT dependency of pSeries and e500 boards via default-configs/ build: always link device_tree.o into emulators if libfdt available hw: include hw header files with full paths ppc: do not use ../ in include files vt82c686: vt82c686 is not a PCI host bridge virtio-9p: remove PCI dependencies from hw/9pfs/ virtio-9p: use CONFIG_VIRTFS, not CONFIG_LINUX hw: move device-hotplug.o to toplevel, compile it once hw: move qdev-monitor.o to toplevel directory hw: move fifo.[ch] to libqemuutil hw: move char backends to backends/ Conflicts: backends/baum.c backends/msmouse.c hw/a15mpcore.c hw/arm/Makefile.objs hw/arm/pic_cpu.c hw/dataplane/event-poll.c hw/dataplane/virtio-blk.c include/char/baum.h include/char/msmouse.h qemu-char.c vl.c Resolve conflicts caused by header movements. Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
Diffstat (limited to 'hw/ppc/virtex_ml507.c')
-rw-r--r--hw/ppc/virtex_ml507.c274
1 files changed, 274 insertions, 0 deletions
diff --git a/hw/ppc/virtex_ml507.c b/hw/ppc/virtex_ml507.c
new file mode 100644
index 0000000000..41eab1697c
--- /dev/null
+++ b/hw/ppc/virtex_ml507.c
@@ -0,0 +1,274 @@
+/*
+ * Model of Xilinx Virtex5 ML507 PPC-440 refdesign.
+ *
+ * Copyright (c) 2010 Edgar E. Iglesias.
+ *
+ * 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 "hw/sysbus.h"
+#include "hw/hw.h"
+#include "hw/serial.h"
+#include "hw/flash.h"
+#include "sysemu/sysemu.h"
+#include "hw/devices.h"
+#include "hw/boards.h"
+#include "sysemu/device_tree.h"
+#include "hw/loader.h"
+#include "elf.h"
+#include "qemu/log.h"
+#include "exec/address-spaces.h"
+
+#include "hw/ppc.h"
+#include "hw/ppc4xx.h"
+#include "hw/ppc405.h"
+
+#include "sysemu/blockdev.h"
+#include "hw/xilinx.h"
+
+#define EPAPR_MAGIC (0x45504150)
+#define FLASH_SIZE (16 * 1024 * 1024)
+
+static struct boot_info
+{
+ uint32_t bootstrap_pc;
+ uint32_t cmdline;
+ uint32_t fdt;
+ uint32_t ima_size;
+ void *vfdt;
+} boot_info;
+
+/* Create reset TLB entries for BookE, spanning the 32bit addr space. */
+static void mmubooke_create_initial_mapping(CPUPPCState *env,
+ target_ulong va,
+ hwaddr pa)
+{
+ ppcemb_tlb_t *tlb = &env->tlb.tlbe[0];
+
+ tlb->attr = 0;
+ tlb->prot = PAGE_VALID | ((PAGE_READ | PAGE_WRITE | PAGE_EXEC) << 4);
+ tlb->size = 1 << 31; /* up to 0x80000000 */
+ tlb->EPN = va & TARGET_PAGE_MASK;
+ tlb->RPN = pa & TARGET_PAGE_MASK;
+ tlb->PID = 0;
+
+ tlb = &env->tlb.tlbe[1];
+ tlb->attr = 0;
+ tlb->prot = PAGE_VALID | ((PAGE_READ | PAGE_WRITE | PAGE_EXEC) << 4);
+ tlb->size = 1 << 31; /* up to 0xffffffff */
+ tlb->EPN = 0x80000000 & TARGET_PAGE_MASK;
+ tlb->RPN = 0x80000000 & TARGET_PAGE_MASK;
+ tlb->PID = 0;
+}
+
+static PowerPCCPU *ppc440_init_xilinx(ram_addr_t *ram_size,
+ int do_init,
+ const char *cpu_model,
+ uint32_t sysclk)
+{
+ PowerPCCPU *cpu;
+ CPUPPCState *env;
+ qemu_irq *irqs;
+
+ cpu = cpu_ppc_init(cpu_model);
+ if (cpu == NULL) {
+ fprintf(stderr, "Unable to initialize CPU!\n");
+ exit(1);
+ }
+ env = &cpu->env;
+
+ ppc_booke_timers_init(cpu, sysclk, 0/* no flags */);
+
+ ppc_dcr_init(env, NULL, NULL);
+
+ /* interrupt controller */
+ irqs = g_malloc0(sizeof(qemu_irq) * PPCUIC_OUTPUT_NB);
+ irqs[PPCUIC_OUTPUT_INT] = ((qemu_irq *)env->irq_inputs)[PPC40x_INPUT_INT];
+ irqs[PPCUIC_OUTPUT_CINT] = ((qemu_irq *)env->irq_inputs)[PPC40x_INPUT_CINT];
+ ppcuic_init(env, irqs, 0x0C0, 0, 1);
+ return cpu;
+}
+
+static void main_cpu_reset(void *opaque)
+{
+ PowerPCCPU *cpu = opaque;
+ CPUPPCState *env = &cpu->env;
+ struct boot_info *bi = env->load_info;
+
+ cpu_reset(CPU(cpu));
+ /* Linux Kernel Parameters (passing device tree):
+ * r3: pointer to the fdt
+ * r4: 0
+ * r5: 0
+ * r6: epapr magic
+ * r7: size of IMA in bytes
+ * r8: 0
+ * r9: 0
+ */
+ env->gpr[1] = (16<<20) - 8;
+ /* Provide a device-tree. */
+ env->gpr[3] = bi->fdt;
+ env->nip = bi->bootstrap_pc;
+
+ /* Create a mapping for the kernel. */
+ mmubooke_create_initial_mapping(env, 0, 0);
+ env->gpr[6] = tswap32(EPAPR_MAGIC);
+ env->gpr[7] = bi->ima_size;
+}
+
+#define BINARY_DEVICE_TREE_FILE "virtex-ml507.dtb"
+static int xilinx_load_device_tree(hwaddr addr,
+ uint32_t ramsize,
+ hwaddr initrd_base,
+ hwaddr initrd_size,
+ const char *kernel_cmdline)
+{
+ char *path;
+ int fdt_size;
+#ifdef CONFIG_FDT
+ void *fdt;
+ int r;
+
+ /* Try the local "ppc.dtb" override. */
+ fdt = load_device_tree("ppc.dtb", &fdt_size);
+ if (!fdt) {
+ path = qemu_find_file(QEMU_FILE_TYPE_BIOS, BINARY_DEVICE_TREE_FILE);
+ if (path) {
+ fdt = load_device_tree(path, &fdt_size);
+ g_free(path);
+ }
+ if (!fdt) {
+ return 0;
+ }
+ }
+
+ r = qemu_devtree_setprop_string(fdt, "/chosen", "bootargs", kernel_cmdline);
+ if (r < 0)
+ fprintf(stderr, "couldn't set /chosen/bootargs\n");
+ cpu_physical_memory_write (addr, (void *)fdt, fdt_size);
+#else
+ /* We lack libfdt so we cannot manipulate the fdt. Just pass on the blob
+ to the kernel. */
+ fdt_size = load_image_targphys("ppc.dtb", addr, 0x10000);
+ if (fdt_size < 0) {
+ path = qemu_find_file(QEMU_FILE_TYPE_BIOS, BINARY_DEVICE_TREE_FILE);
+ if (path) {
+ fdt_size = load_image_targphys(path, addr, 0x10000);
+ g_free(path);
+ }
+ }
+
+ if (kernel_cmdline) {
+ fprintf(stderr,
+ "Warning: missing libfdt, cannot pass cmdline to kernel!\n");
+ }
+#endif
+ return fdt_size;
+}
+
+static void virtex_init(QEMUMachineInitArgs *args)
+{
+ ram_addr_t ram_size = args->ram_size;
+ const char *cpu_model = args->cpu_model;
+ const char *kernel_filename = args->kernel_filename;
+ const char *kernel_cmdline = args->kernel_cmdline;
+ MemoryRegion *address_space_mem = get_system_memory();
+ DeviceState *dev;
+ PowerPCCPU *cpu;
+ CPUPPCState *env;
+ hwaddr ram_base = 0;
+ DriveInfo *dinfo;
+ MemoryRegion *phys_ram = g_new(MemoryRegion, 1);
+ qemu_irq irq[32], *cpu_irq;
+ int kernel_size;
+ int i;
+
+ /* init CPUs */
+ if (cpu_model == NULL) {
+ cpu_model = "440-Xilinx";
+ }
+
+ cpu = ppc440_init_xilinx(&ram_size, 1, cpu_model, 400000000);
+ env = &cpu->env;
+ qemu_register_reset(main_cpu_reset, cpu);
+
+ memory_region_init_ram(phys_ram, "ram", ram_size);
+ vmstate_register_ram_global(phys_ram);
+ memory_region_add_subregion(address_space_mem, ram_base, phys_ram);
+
+ dinfo = drive_get(IF_PFLASH, 0, 0);
+ pflash_cfi01_register(0xfc000000, NULL, "virtex.flash", FLASH_SIZE,
+ dinfo ? dinfo->bdrv : NULL, (64 * 1024),
+ FLASH_SIZE >> 16,
+ 1, 0x89, 0x18, 0x0000, 0x0, 1);
+
+ cpu_irq = (qemu_irq *) &env->irq_inputs[PPC40x_INPUT_INT];
+ dev = xilinx_intc_create(0x81800000, cpu_irq[0], 0);
+ for (i = 0; i < 32; i++) {
+ irq[i] = qdev_get_gpio_in(dev, i);
+ }
+
+ serial_mm_init(address_space_mem, 0x83e01003ULL, 2, irq[9], 115200,
+ serial_hds[0], DEVICE_LITTLE_ENDIAN);
+
+ /* 2 timers at irq 2 @ 62 Mhz. */
+ xilinx_timer_create(0x83c00000, irq[3], 0, 62 * 1000000);
+
+ if (kernel_filename) {
+ uint64_t entry, low, high;
+ hwaddr boot_offset;
+
+ /* Boots a kernel elf binary. */
+ kernel_size = load_elf(kernel_filename, NULL, NULL,
+ &entry, &low, &high, 1, ELF_MACHINE, 0);
+ boot_info.bootstrap_pc = entry & 0x00ffffff;
+
+ if (kernel_size < 0) {
+ boot_offset = 0x1200000;
+ /* If we failed loading ELF's try a raw image. */
+ kernel_size = load_image_targphys(kernel_filename,
+ boot_offset,
+ ram_size);
+ boot_info.bootstrap_pc = boot_offset;
+ high = boot_info.bootstrap_pc + kernel_size + 8192;
+ }
+
+ boot_info.ima_size = kernel_size;
+
+ /* Provide a device-tree. */
+ boot_info.fdt = high + (8192 * 2);
+ boot_info.fdt &= ~8191;
+ xilinx_load_device_tree(boot_info.fdt, ram_size, 0, 0, kernel_cmdline);
+ }
+ env->load_info = &boot_info;
+}
+
+static QEMUMachine virtex_machine = {
+ .name = "virtex-ml507",
+ .desc = "Xilinx Virtex ML507 reference design",
+ .init = virtex_init,
+ DEFAULT_MACHINE_OPTIONS,
+};
+
+static void virtex_machine_init(void)
+{
+ qemu_register_machine(&virtex_machine);
+}
+
+machine_init(virtex_machine_init);