hw/mips_pavo.c

   1 /*
   2  * QEMU pavo demo board emulation
   3  *
   4  * Copyright (c) 2008 yajin (yajin@vm-kernel.org)
   5  *
   6  * Permission is hereby granted, free of charge, to any person obtaining a copy
   7  * of this software and associated documentation files (the "Software"), to deal
   8  * in the Software without restriction, including without limitation the rights
   9  * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
  10  * copies of the Software, and to permit persons to whom the Software is
  11  * furnished to do so, subject to the following conditions:
  12  *
  13  * The above copyright notice and this permission notice shall be included in
  14  * all copies or substantial portions of the Software.
  15  *
  16  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  17  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  18  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
  19  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  20  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  21  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
  22  * THE SOFTWARE.
  23  */
  24
  25
  26 /*
  27  * The emulation target is pavo demo board.
  28  *  http://www.ingenic.cn/eng/productServ/kfyd/Hardware/pffaqQuestionContent.aspx?Category=2&Question=3
  29  *
  30  */
  31
  32 #include "hw.h"
  33 #include "pc.h"
  34 #include "fdc.h"
  35 #include "net.h"
  36 #include "boards.h"
  37 #include "smbus.h"
  38 #include "block.h"
  39 #include "flash.h"
  40 #include "mips.h"
  41 #include "pci.h"
  42 #include "qemu-char.h"
  43 #include "sysemu.h"
  44 #include "audio/audio.h"
  45 #include "boards.h"
  46 #include "qemu-log.h"
  47 #include "mips_jz.h"
  48
  49
  50
  51 #define PAVO_RAM_SIZE       (0x4000000) /*64M */
  52 #define PAVO_OSC_EXTAL     (12000000)   /*12MHZ */
  53
  54 /* pavo board support */
  55 struct mips_pavo_s
  56 {
  57     struct jz_state_s *soc;
  58 };
  59
  60
  61 static void mips_pavo_init(ram_addr_t ram_size, int vga_ram_size,
  62                     const char *boot_device, DisplayState * ds,
  63                     const char *kernel_filename,
  64                     const char *kernel_cmdline,
  65                     const char *initrd_filename, const char *cpu_model)
  66 {
  67     struct mips_pavo_s *s = (struct mips_pavo_s *) qemu_mallocz(sizeof(*s));
  68
  69     if (ram_size < PAVO_RAM_SIZE + JZ4740_SRAM_SIZE)
  70     {
  71         fprintf(stderr, "This architecture uses %i bytes of memory\n",
  72                 PAVO_RAM_SIZE + JZ4740_SRAM_SIZE);
  73         exit(1);
  74     }
  75     s->soc = jz4740_init(PAVO_RAM_SIZE, PAVO_OSC_EXTAL);
  76
  77 }
  78
  79
  80
  81
  82 QEMUMachine mips_pavo_machine = {
  83     .name = "pavo",
  84     .desc = "JZ Pavo demo board",
  85     .init = mips_pavo_init,
  86     .ram_require = (JZ4740_SRAM_SIZE + PAVO_RAM_SIZE) | RAMSIZE_FIXED,
  87     .nodisk_ok = 1,
  88 };