hw/mainstone.c

   1 /*
   2  * PXA270-based Intel Mainstone platforms.
   3  *
   4  * Copyright (c) 2007 by Armin Kuster <akuster@kama-aina.net> or
   5  *                                    <akuster@mvista.com>
   6  *
   7  * Code based on spitz platform by Andrzej Zaborowski <balrog@zabor.org>
   8  *
   9  * This code is licensed under the GNU GPL v2.
  10  */
  11 #include "hw.h"
  12 #include "pxa.h"
  13 #include "arm-misc.h"
  14 #include "net.h"
  15 #include "devices.h"
  16 #include "boards.h"
  17 #include "mainstone.h"
  18 #include "sysemu.h"
  19 #include "flash.h"
  20
  21 static struct keymap map[0xE0] = {
  22     [0 ... 0xDF] = { -1, -1 },
  23     [0x1e] = {0,0}, /* a */
  24     [0x30] = {0,1}, /* b */
  25     [0x2e] = {0,2}, /* c */
  26     [0x20] = {0,3}, /* d */
  27     [0x12] = {0,4}, /* e */
  28     [0x21] = {0,5}, /* f */
  29     [0x22] = {1,0}, /* g */
  30     [0x23] = {1,1}, /* h */
  31     [0x17] = {1,2}, /* i */
  32     [0x24] = {1,3}, /* j */
  33     [0x25] = {1,4}, /* k */
  34     [0x26] = {1,5}, /* l */
  35     [0x32] = {2,0}, /* m */
  36     [0x31] = {2,1}, /* n */
  37     [0x18] = {2,2}, /* o */
  38     [0x19] = {2,3}, /* p */
  39     [0x10] = {2,4}, /* q */
  40     [0x13] = {2,5}, /* r */
  41     [0x1f] = {3,0}, /* s */
  42     [0x14] = {3,1}, /* t */
  43     [0x16] = {3,2}, /* u */
  44     [0x2f] = {3,3}, /* v */
  45     [0x11] = {3,4}, /* w */
  46     [0x2d] = {3,5}, /* x */
  47     [0x15] = {4,2}, /* y */
  48     [0x2c] = {4,3}, /* z */
  49     [0xc7] = {5,0}, /* Home */
  50     [0x2a] = {5,1}, /* shift */
  51     [0x39] = {5,2}, /* space */
  52     [0x39] = {5,3}, /* space */
  53     [0x1c] = {5,5}, /*  enter */
  54     [0xc8] = {6,0}, /* up */
  55     [0xd0] = {6,1}, /* down */
  56     [0xcb] = {6,2}, /* left */
  57     [0xcd] = {6,3}, /* right */
  58 };
  59
  60 enum mainstone_model_e { mainstone };
  61
  62 #define MAINSTONE_RAM   0x04000000
  63 #define MAINSTONE_ROM   0x00800000
  64 #define MAINSTONE_FLASH 0x02000000
  65
  66 static struct arm_boot_info mainstone_binfo = {
  67     .loader_start = PXA2XX_SDRAM_BASE,
  68     .ram_size = 0x04000000,
  69 };
  70
  71 static void mainstone_common_init(ram_addr_t ram_size, int vga_ram_size,
  72                 const char *kernel_filename,
  73                 const char *kernel_cmdline, const char *initrd_filename,
  74                 const char *cpu_model, enum mainstone_model_e model, int arm_id)
  75 {
  76     uint32_t sector_len = 256 * 1024;
  77     target_phys_addr_t mainstone_flash_base[] = { MST_FLASH_0, MST_FLASH_1 };
  78     struct pxa2xx_state_s *cpu;
  79     qemu_irq *mst_irq;
  80     int i, index;
  81
  82     if (!cpu_model)
  83         cpu_model = "pxa270-c5";
  84
  85     /* Setup CPU & memory */
  86     if (ram_size < MAINSTONE_RAM + MAINSTONE_ROM + 2 * MAINSTONE_FLASH +
  87                     PXA2XX_INTERNAL_SIZE) {
  88         fprintf(stderr, "This platform requires %i bytes of memory\n",
  89                         MAINSTONE_RAM + MAINSTONE_ROM + 2 * MAINSTONE_FLASH +
  90                         PXA2XX_INTERNAL_SIZE);
  91         exit(1);
  92     }
  93
  94     cpu = pxa270_init(mainstone_binfo.ram_size, cpu_model);
  95     cpu_register_physical_memory(0, MAINSTONE_ROM,
  96                     qemu_ram_alloc(MAINSTONE_ROM) | IO_MEM_ROM);
  97
  98     /* Setup initial (reset) machine state */
  99     cpu->env->regs[15] = mainstone_binfo.loader_start;
 100
 101     /* There are two 32MiB flash devices on the board */
 102     for (i = 0; i < 2; i ++) {
 103         index = drive_get_index(IF_PFLASH, 0, i);
 104         if (index == -1) {
 105             fprintf(stderr, "Two flash images must be given with the "
 106                     "'pflash' parameter\n");
 107             exit(1);
 108         }
 109
 110         if (!pflash_cfi01_register(mainstone_flash_base[i],
 111                                 qemu_ram_alloc(MAINSTONE_FLASH),
 112                                 drives_table[index].bdrv, sector_len,
 113                                 MAINSTONE_FLASH / sector_len, 4, 0, 0, 0, 0)) {
 114             fprintf(stderr, "qemu: Error registering flash memory.\n");
 115             exit(1);
 116         }
 117     }
 118
 119     mst_irq = mst_irq_init(cpu, MST_FPGA_PHYS, PXA2XX_PIC_GPIO_0);
 120
 121     /* setup keypad */
 122     printf("map addr %p\n", &map);
 123     pxa27x_register_keypad(cpu->kp, map, 0xe0);
 124
 125     /* MMC/SD host */
 126     pxa2xx_mmci_handlers(cpu->mmc, NULL, mst_irq[MMC_IRQ]);
 127
 128     smc91c111_init(&nd_table[0], MST_ETH_PHYS, mst_irq[ETHERNET_IRQ]);
 129
 130     mainstone_binfo.kernel_filename = kernel_filename;
 131     mainstone_binfo.kernel_cmdline = kernel_cmdline;
 132     mainstone_binfo.initrd_filename = initrd_filename;
 133     mainstone_binfo.board_id = arm_id;
 134     arm_load_kernel(cpu->env, &mainstone_binfo);
 135 }
 136
 137 static void mainstone_init(ram_addr_t ram_size, int vga_ram_size,
 138                 const char *boot_device,
 139                 const char *kernel_filename, const char *kernel_cmdline,
 140                 const char *initrd_filename, const char *cpu_model)
 141 {
 142     mainstone_common_init(ram_size, vga_ram_size, kernel_filename,
 143                 kernel_cmdline, initrd_filename, cpu_model, mainstone, 0x196);
 144 }
 145
 146 QEMUMachine mainstone2_machine = {
 147     .name = "mainstone",
 148     .desc = "Mainstone II (PXA27x)",
 149     .init = mainstone_init,
 150     .ram_require = (MAINSTONE_RAM + MAINSTONE_ROM + 2 * MAINSTONE_FLASH +
 151                     PXA2XX_INTERNAL_SIZE) | RAMSIZE_FIXED,
 152 };