hw/tosa.c

   1 /* vim:set shiftwidth=4 ts=4 et: */
   2 /*
   3  * PXA255 Sharp Zaurus SL-6000 PDA platform
   4  *
   5  * Copyright (c) 2008 Dmitry Baryshkov
   6  *
   7  * Code based on spitz platform by Andrzej Zaborowski <balrog@zabor.org>
   8  * This code is licensed under the GNU GPL v2.
   9  */
  10
  11 #include "hw.h"
  12 #include "pxa.h"
  13 #include "arm-misc.h"
  14 #include "sysemu.h"
  15 #include "devices.h"
  16 #include "sharpsl.h"
  17 #include "pcmcia.h"
  18 #include "block.h"
  19 #include "boards.h"
  20
  21 #define TOSA_RAM    0x04000000
  22 #define TOSA_ROM        0x00800000
  23
  24 #define TOSA_GPIO_nSD_DETECT    (9)
  25 #define TOSA_GPIO_ON_RESET              (19)
  26 #define TOSA_GPIO_CF_IRQ                (21)    /* CF slot0 Ready */
  27 #define TOSA_GPIO_CF_CD                 (13)
  28 #define TOSA_GPIO_JC_CF_IRQ             (36)    /* CF slot1 Ready */
  29
  30 #define TOSA_SCOOP_GPIO_BASE    0
  31 #define TOSA_GPIO_IR_POWERDWN   (TOSA_SCOOP_GPIO_BASE + 2)
  32 #define TOSA_GPIO_SD_WP                 (TOSA_SCOOP_GPIO_BASE + 3)
  33 #define TOSA_GPIO_PWR_ON                (TOSA_SCOOP_GPIO_BASE + 4)
  34
  35 static void tosa_microdrive_attach(struct pxa2xx_state_s *cpu)
  36 {
  37     struct pcmcia_card_s *md;
  38     int index;
  39     BlockDriverState *bs;
  40
  41     index = drive_get_index(IF_IDE, 0, 0);
  42     if (index == -1)
  43         return;
  44     bs = drives_table[index].bdrv;
  45     if (bdrv_is_inserted(bs) && !bdrv_is_removable(bs)) {
  46         md = dscm1xxxx_init(bs);
  47         pxa2xx_pcmcia_attach(cpu->pcmcia[0], md);
  48     }
  49 }
  50
  51 static void tosa_gpio_setup(struct pxa2xx_state_s *cpu,
  52                 struct scoop_info_s *scp0,
  53                 struct scoop_info_s *scp1)
  54 {
  55     /* MMC/SD host */
  56     pxa2xx_mmci_handlers(cpu->mmc,
  57                     scoop_gpio_in_get(scp0)[TOSA_GPIO_SD_WP],
  58                     qemu_irq_invert(pxa2xx_gpio_in_get(cpu->gpio)[TOSA_GPIO_nSD_DETECT]));
  59
  60     /* Handle reset */
  61     pxa2xx_gpio_out_set(cpu->gpio, TOSA_GPIO_ON_RESET, cpu->reset);
  62
  63     /* PCMCIA signals: card's IRQ and Card-Detect */
  64     pxa2xx_pcmcia_set_irq_cb(cpu->pcmcia[0],
  65                         pxa2xx_gpio_in_get(cpu->gpio)[TOSA_GPIO_CF_IRQ],
  66                         pxa2xx_gpio_in_get(cpu->gpio)[TOSA_GPIO_CF_CD]);
  67
  68     pxa2xx_pcmcia_set_irq_cb(cpu->pcmcia[1],
  69                         pxa2xx_gpio_in_get(cpu->gpio)[TOSA_GPIO_JC_CF_IRQ],
  70                         NULL);
  71
  72 }
  73
  74 static struct arm_boot_info tosa_binfo = {
  75     .loader_start = PXA2XX_SDRAM_BASE,
  76     .ram_size = 0x04000000,
  77 };
  78
  79 static void tosa_init(ram_addr_t ram_size, int vga_ram_size,
  80                 const char *boot_device, DisplayState *ds,
  81                 const char *kernel_filename, const char *kernel_cmdline,
  82                 const char *initrd_filename, const char *cpu_model)
  83 {
  84     struct pxa2xx_state_s *cpu;
  85     struct scoop_info_s *scp0, *scp1;
  86
  87     if (ram_size < (TOSA_RAM + TOSA_ROM + PXA2XX_INTERNAL_SIZE)) {
  88         fprintf(stderr, "This platform requires %i bytes of memory\n",
  89                 TOSA_RAM + TOSA_ROM + PXA2XX_INTERNAL_SIZE);
  90         exit(1);
  91     }
  92
  93     if (!cpu_model)
  94         cpu_model = "pxa255";
  95
  96     cpu = pxa255_init(tosa_binfo.ram_size, ds);
  97
  98     cpu_register_physical_memory(0, TOSA_ROM,
  99                     qemu_ram_alloc(TOSA_ROM) | IO_MEM_ROM);
 100
 101     tc6393xb_init(0x10000000, NULL);
 102
 103     scp0 = scoop_init(cpu, 0, 0x08800000);
 104     scp1 = scoop_init(cpu, 1, 0x14800040);
 105
 106     tosa_gpio_setup(cpu, scp0, scp1);
 107
 108     tosa_microdrive_attach(cpu);
 109
 110     /* Setup initial (reset) machine state */
 111     cpu->env->regs[15] = tosa_binfo.loader_start;
 112
 113     tosa_binfo.kernel_filename = kernel_filename;
 114     tosa_binfo.kernel_cmdline = kernel_cmdline;
 115     tosa_binfo.initrd_filename = initrd_filename;
 116     tosa_binfo.board_id = 0x208;
 117     arm_load_kernel(cpu->env, &tosa_binfo);
 118     sl_bootparam_write(SL_PXA_PARAM_BASE - PXA2XX_SDRAM_BASE);
 119 }
 120
 121 QEMUMachine tosapda_machine = {
 122     "tosa",
 123     "Tosa PDA (PXA255)",
 124     tosa_init,
 125     TOSA_RAM + TOSA_ROM + PXA2XX_INTERNAL_SIZE + RAMSIZE_FIXED,
 126 };