qemu/hw/etraxfs.c
aliguori 0ae18ceeaa Check NIC model in some NIC init functions (Mark McLoughlin)
Some NIC init functions are only called when that model is
the only valid model. In that case, it makes sense to use
qemu_check_nic_model() from the NIC init function itself.

Signed-off-by: Mark McLoughlin <markmc@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>



git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@6286 c046a42c-6fe2-441c-8c8c-71466251a162
2009-01-13 19:39:36 +00:00

161 lines
5.5 KiB
C

/*
* QEMU ETRAX System Emulator
*
* Copyright (c) 2007 Edgar E. Iglesias, Axis Communications AB.
*
* 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 <time.h>
#include <sys/time.h>
#include "hw.h"
#include "net.h"
#include "flash.h"
#include "sysemu.h"
#include "devices.h"
#include "boards.h"
#include "etraxfs.h"
#define FLASH_SIZE 0x2000000
#define INTMEM_SIZE (128 * 1024)
static uint32_t bootstrap_pc;
static void main_cpu_reset(void *opaque)
{
CPUState *env = opaque;
cpu_reset(env);
env->pc = bootstrap_pc;
}
static
void bareetraxfs_init (ram_addr_t ram_size, int vga_ram_size,
const char *boot_device, DisplayState *ds,
const char *kernel_filename, const char *kernel_cmdline,
const char *initrd_filename, const char *cpu_model)
{
CPUState *env;
struct etraxfs_pic *pic;
void *etraxfs_dmac;
struct etraxfs_dma_client *eth[2] = {NULL, NULL};
int kernel_size;
int i;
ram_addr_t phys_ram;
ram_addr_t phys_flash;
ram_addr_t phys_intmem;
/* init CPUs */
if (cpu_model == NULL) {
cpu_model = "crisv32";
}
env = cpu_init(cpu_model);
qemu_register_reset(main_cpu_reset, env);
/* allocate RAM */
phys_ram = qemu_ram_alloc(ram_size);
cpu_register_physical_memory(0x40000000, ram_size, phys_ram | IO_MEM_RAM);
/* The ETRAX-FS has 128Kb on chip ram, the docs refer to it as the
internal memory. */
phys_intmem = qemu_ram_alloc(INTMEM_SIZE);
cpu_register_physical_memory(0x38000000, INTMEM_SIZE,
phys_intmem | IO_MEM_RAM);
phys_flash = qemu_ram_alloc(FLASH_SIZE);
i = drive_get_index(IF_PFLASH, 0, 0);
pflash_cfi02_register(0x0, phys_flash,
i != -1 ? drives_table[i].bdrv : NULL, (64 * 1024),
FLASH_SIZE >> 16,
1, 2, 0x0000, 0x0000, 0x0000, 0x0000,
0x555, 0x2aa);
pic = etraxfs_pic_init(env, 0x3001c000);
etraxfs_dmac = etraxfs_dmac_init(env, 0x30000000, 10);
for (i = 0; i < 10; i++) {
/* On ETRAX, odd numbered channels are inputs. */
etraxfs_dmac_connect(etraxfs_dmac, i, pic->irq + 7 + i, i & 1);
}
/* Add the two ethernet blocks. */
eth[0] = etraxfs_eth_init(&nd_table[0], env, pic->irq + 25, 0x30034000, 1);
if (nb_nics > 1)
eth[1] = etraxfs_eth_init(&nd_table[1], env,
pic->irq + 26, 0x30036000, 2);
/* The DMA Connector block is missing, hardwire things for now. */
etraxfs_dmac_connect_client(etraxfs_dmac, 0, eth[0]);
etraxfs_dmac_connect_client(etraxfs_dmac, 1, eth[0] + 1);
if (eth[1]) {
etraxfs_dmac_connect_client(etraxfs_dmac, 6, eth[1]);
etraxfs_dmac_connect_client(etraxfs_dmac, 7, eth[1] + 1);
}
/* 2 timers. */
etraxfs_timer_init(env, pic->irq + 0x1b, pic->nmi + 1, 0x3001e000);
etraxfs_timer_init(env, pic->irq + 0x1b, pic->nmi + 1, 0x3005e000);
for (i = 0; i < 4; i++) {
if (serial_hds[i]) {
etraxfs_ser_init(env, pic->irq + 0x14 + i,
serial_hds[i], 0x30026000 + i * 0x2000);
}
}
if (kernel_filename) {
uint64_t entry, high;
int kcmdline_len;
/* Boots a kernel elf binary, os/linux-2.6/vmlinux from the axis
devboard SDK. */
kernel_size = load_elf(kernel_filename, -0x80000000LL,
&entry, NULL, &high);
bootstrap_pc = entry;
if (kernel_size < 0) {
/* Takes a kimage from the axis devboard SDK. */
kernel_size = load_image(kernel_filename, phys_ram_base + 0x4000);
bootstrap_pc = 0x40004000;
env->regs[9] = 0x40004000 + kernel_size;
}
env->regs[8] = 0x56902387; /* RAM init magic. */
if (kernel_cmdline && (kcmdline_len = strlen(kernel_cmdline))) {
if (kcmdline_len > 256) {
fprintf(stderr, "Too long CRIS kernel cmdline (max 256)\n");
exit(1);
}
pstrcpy_targphys(high, 256, kernel_cmdline);
/* Let the kernel know we are modifying the cmdline. */
env->regs[10] = 0x87109563;
env->regs[11] = high;
}
}
env->pc = bootstrap_pc;
printf ("pc =%x\n", env->pc);
printf ("ram size =%ld\n", ram_size);
}
QEMUMachine bareetraxfs_machine = {
.name = "bareetraxfs",
.desc = "Bare ETRAX FS board",
.init = bareetraxfs_init,
.ram_require = 0x8000000,
};