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_TC6393XB_INT  (15)
  29 #define TOSA_GPIO_JC_CF_IRQ             (36)    /* CF slot1 Ready */
  30
  31 #define TOSA_SCOOP_GPIO_BASE    1
  32 #define TOSA_GPIO_IR_POWERDWN   (TOSA_SCOOP_GPIO_BASE + 2)
  33 #define TOSA_GPIO_SD_WP                 (TOSA_SCOOP_GPIO_BASE + 3)
  34 #define TOSA_GPIO_PWR_ON                (TOSA_SCOOP_GPIO_BASE + 4)
  35
  36 #define TOSA_SCOOP_JC_GPIO_BASE         1
  37 #define TOSA_GPIO_BT_LED                (TOSA_SCOOP_JC_GPIO_BASE + 0)
  38 #define TOSA_GPIO_NOTE_LED              (TOSA_SCOOP_JC_GPIO_BASE + 1)
  39 #define TOSA_GPIO_CHRG_ERR_LED          (TOSA_SCOOP_JC_GPIO_BASE + 2)
  40 #define TOSA_GPIO_WLAN_LED              (TOSA_SCOOP_JC_GPIO_BASE + 7)
  41
  42 static void tosa_microdrive_attach(struct pxa2xx_state_s *cpu)
  43 {
  44     struct pcmcia_card_s *md;
  45     int index;
  46     BlockDriverState *bs;
  47
  48     index = drive_get_index(IF_IDE, 0, 0);
  49     if (index == -1)
  50         return;
  51     bs = drives_table[index].bdrv;
  52     if (bdrv_is_inserted(bs) && !bdrv_is_removable(bs)) {
  53         md = dscm1xxxx_init(bs);
  54         pxa2xx_pcmcia_attach(cpu->pcmcia[0], md);
  55     }
  56 }
  57
  58 static void tosa_out_switch(void *opaque, int line, int level)
  59 {
  60     switch (line) {
  61         case 0:
  62             fprintf(stderr, "blue LED %s.\n", level ? "on" : "off");
  63             break;
  64         case 1:
  65             fprintf(stderr, "green LED %s.\n", level ? "on" : "off");
  66             break;
  67         case 2:
  68             fprintf(stderr, "amber LED %s.\n", level ? "on" : "off");
  69             break;
  70         case 3:
  71             fprintf(stderr, "wlan LED %s.\n", level ? "on" : "off");
  72             break;
  73         default:
  74             fprintf(stderr, "Uhandled out event: %d = %d\n", line, level);
  75             break;
  76     }
  77 }
  78
  79
  80 static void tosa_gpio_setup(struct pxa2xx_state_s *cpu,
  81                 struct scoop_info_s *scp0,
  82                 struct scoop_info_s *scp1)
  83 {
  84     qemu_irq *outsignals = qemu_allocate_irqs(tosa_out_switch, cpu, 4);
  85     /* MMC/SD host */
  86     pxa2xx_mmci_handlers(cpu->mmc,
  87                     scoop_gpio_in_get(scp0)[TOSA_GPIO_SD_WP],
  88                     qemu_irq_invert(pxa2xx_gpio_in_get(cpu->gpio)[TOSA_GPIO_nSD_DETECT]));
  89
  90     /* Handle reset */
  91     pxa2xx_gpio_out_set(cpu->gpio, TOSA_GPIO_ON_RESET, cpu->reset);
  92
  93     /* PCMCIA signals: card's IRQ and Card-Detect */
  94     pxa2xx_pcmcia_set_irq_cb(cpu->pcmcia[0],
  95                         pxa2xx_gpio_in_get(cpu->gpio)[TOSA_GPIO_CF_IRQ],
  96                         pxa2xx_gpio_in_get(cpu->gpio)[TOSA_GPIO_CF_CD]);
  97
  98     pxa2xx_pcmcia_set_irq_cb(cpu->pcmcia[1],
  99                         pxa2xx_gpio_in_get(cpu->gpio)[TOSA_GPIO_JC_CF_IRQ],
 100                         NULL);
 101
 102     scoop_gpio_out_set(scp1, TOSA_GPIO_BT_LED, outsignals[0]);
 103     scoop_gpio_out_set(scp1, TOSA_GPIO_NOTE_LED, outsignals[1]);
 104     scoop_gpio_out_set(scp1, TOSA_GPIO_CHRG_ERR_LED, outsignals[2]);
 105     scoop_gpio_out_set(scp1, TOSA_GPIO_WLAN_LED, outsignals[3]);
 106 }
 107
 108 static struct arm_boot_info tosa_binfo = {
 109     .loader_start = PXA2XX_SDRAM_BASE,
 110     .ram_size = 0x04000000,
 111 };
 112
 113 static void tosa_init(ram_addr_t ram_size, int vga_ram_size,
 114                 const char *boot_device, DisplayState *ds,
 115                 const char *kernel_filename, const char *kernel_cmdline,
 116                 const char *initrd_filename, const char *cpu_model)
 117 {
 118     struct pxa2xx_state_s *cpu;
 119     struct scoop_info_s *scp0, *scp1;
 120
 121     if (ram_size < (TOSA_RAM + TOSA_ROM + PXA2XX_INTERNAL_SIZE)) {
 122         fprintf(stderr, "This platform requires %i bytes of memory\n",
 123                 TOSA_RAM + TOSA_ROM + PXA2XX_INTERNAL_SIZE);
 124         exit(1);
 125     }
 126
 127     if (!cpu_model)
 128         cpu_model = "pxa255";
 129
 130     cpu = pxa255_init(tosa_binfo.ram_size, ds);
 131
 132     cpu_register_physical_memory(0, TOSA_ROM,
 133                     qemu_ram_alloc(TOSA_ROM) | IO_MEM_ROM);
 134
 135     tc6393xb_init(0x10000000, pxa2xx_gpio_in_get(cpu->gpio)[TOSA_GPIO_TC6393XB_INT]);
 136
 137     scp0 = scoop_init(cpu, 0, 0x08800000);
 138     scp1 = scoop_init(cpu, 1, 0x14800040);
 139
 140     tosa_gpio_setup(cpu, scp0, scp1);
 141
 142     tosa_microdrive_attach(cpu);
 143
 144     /* Setup initial (reset) machine state */
 145     cpu->env->regs[15] = tosa_binfo.loader_start;
 146
 147     tosa_binfo.kernel_filename = kernel_filename;
 148     tosa_binfo.kernel_cmdline = kernel_cmdline;
 149     tosa_binfo.initrd_filename = initrd_filename;
 150     tosa_binfo.board_id = 0x208;
 151     arm_load_kernel(cpu->env, &tosa_binfo);
 152     sl_bootparam_write(SL_PXA_PARAM_BASE - PXA2XX_SDRAM_BASE);
 153 }
 154
 155 QEMUMachine tosapda_machine = {
 156     .name = "tosa",
 157     .desc = "Tosa PDA (PXA255)",
 158     .init = tosa_init,
 159     .ram_require = TOSA_RAM + TOSA_ROM + PXA2XX_INTERNAL_SIZE + RAMSIZE_FIXED,
 160 };