fb50cfe44d
The use of DEVICE_NATIVE_ENDIAN cleans up lots of ifdefs in many of the callers. Signed-off-by: Richard Henderson <rth@twiddle.net> Signed-off-by: Avi Kivity <avi@redhat.com>
276 lines
8.6 KiB
C
276 lines
8.6 KiB
C
/*
|
|
* 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 "sysbus.h"
|
|
#include "hw.h"
|
|
#include "pc.h"
|
|
#include "net.h"
|
|
#include "flash.h"
|
|
#include "sysemu.h"
|
|
#include "devices.h"
|
|
#include "boards.h"
|
|
#include "device_tree.h"
|
|
#include "loader.h"
|
|
#include "elf.h"
|
|
#include "qemu-log.h"
|
|
|
|
#include "ppc.h"
|
|
#include "ppc4xx.h"
|
|
#include "ppc440.h"
|
|
#include "ppc405.h"
|
|
|
|
#include "blockdev.h"
|
|
#include "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(CPUState *env,
|
|
target_ulong va,
|
|
target_phys_addr_t 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 CPUState *ppc440_init_xilinx(ram_addr_t *ram_size,
|
|
int do_init,
|
|
const char *cpu_model,
|
|
clk_setup_t *cpu_clk, clk_setup_t *tb_clk,
|
|
uint32_t sysclk)
|
|
{
|
|
CPUState *env;
|
|
qemu_irq *irqs;
|
|
|
|
env = cpu_init(cpu_model);
|
|
if (!env) {
|
|
fprintf(stderr, "Unable to initialize CPU!\n");
|
|
exit(1);
|
|
}
|
|
|
|
cpu_clk->cb = NULL; /* We don't care about CPU clock frequency changes */
|
|
cpu_clk->opaque = env;
|
|
/* Set time-base frequency to sysclk */
|
|
tb_clk->cb = ppc_emb_timers_init(env, sysclk, PPC_INTERRUPT_DECR);
|
|
tb_clk->opaque = env;
|
|
|
|
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 env;
|
|
}
|
|
|
|
static void main_cpu_reset(void *opaque)
|
|
{
|
|
CPUState *env = opaque;
|
|
struct boot_info *bi = env->load_info;
|
|
|
|
cpu_reset(env);
|
|
/* 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(target_phys_addr_t addr,
|
|
uint32_t ramsize,
|
|
target_phys_addr_t initrd_base,
|
|
target_phys_addr_t 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(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)
|
|
{
|
|
DeviceState *dev;
|
|
CPUState *env;
|
|
target_phys_addr_t ram_base = 0;
|
|
DriveInfo *dinfo;
|
|
ram_addr_t phys_ram;
|
|
qemu_irq irq[32], *cpu_irq;
|
|
clk_setup_t clk_setup[7];
|
|
int kernel_size;
|
|
int i;
|
|
|
|
/* init CPUs */
|
|
if (cpu_model == NULL) {
|
|
cpu_model = "440-Xilinx";
|
|
}
|
|
|
|
memset(clk_setup, 0, sizeof(clk_setup));
|
|
env = ppc440_init_xilinx(&ram_size, 1, cpu_model, &clk_setup[0],
|
|
&clk_setup[1], 400000000);
|
|
qemu_register_reset(main_cpu_reset, env);
|
|
|
|
phys_ram = qemu_ram_alloc(NULL, "ram", ram_size);
|
|
cpu_register_physical_memory(ram_base, ram_size, phys_ram | IO_MEM_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(0x83e01003ULL, 2, irq[9], 115200, serial_hds[0],
|
|
1, DEVICE_LITTLE_ENDIAN);
|
|
|
|
/* 2 timers at irq 2 @ 62 Mhz. */
|
|
xilinx_timer_create(0x83c00000, irq[3], 2, 62 * 1000000);
|
|
|
|
if (kernel_filename) {
|
|
uint64_t entry, low, high;
|
|
target_phys_addr_t 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,
|
|
};
|
|
|
|
static void virtex_machine_init(void)
|
|
{
|
|
qemu_register_machine(&virtex_machine);
|
|
}
|
|
|
|
machine_init(virtex_machine_init);
|