diff options
Diffstat (limited to 'hw/tosa.c')
| -rw-r--r-- | hw/tosa.c | 160 |
1 files changed, 160 insertions, 0 deletions
diff --git a/hw/tosa.c b/hw/tosa.c new file mode 100644 index 0000000000..97d41ece8c --- /dev/null +++ b/hw/tosa.c @@ -0,0 +1,160 @@ +/* vim:set shiftwidth=4 ts=4 et: */ +/* + * PXA255 Sharp Zaurus SL-6000 PDA platform + * + * Copyright (c) 2008 Dmitry Baryshkov + * + * Code based on spitz platform by Andrzej Zaborowski <balrog@zabor.org> + * This code is licensed under the GNU GPL v2. + */ + +#include "hw.h" +#include "pxa.h" +#include "arm-misc.h" +#include "sysemu.h" +#include "sharpsl.h" +#include "pcmcia.h" +#include "block.h" +#include "boards.h" + +#define TOSA_RAM 0x04000000 +#define TOSA_ROM 0x00800000 + +#define TOSA_GPIO_nSD_DETECT (9) +#define TOSA_GPIO_ON_RESET (19) +#define TOSA_GPIO_CF_IRQ (21) /* CF slot0 Ready */ +#define TOSA_GPIO_CF_CD (13) +#define TOSA_GPIO_JC_CF_IRQ (36) /* CF slot1 Ready */ + +#define TOSA_SCOOP_GPIO_BASE 0 +#define TOSA_GPIO_IR_POWERDWN (TOSA_SCOOP_GPIO_BASE + 2) +#define TOSA_GPIO_SD_WP (TOSA_SCOOP_GPIO_BASE + 3) +#define TOSA_GPIO_PWR_ON (TOSA_SCOOP_GPIO_BASE + 4) + +struct tc6393xb_s { + target_phys_addr_t target_base; +}; + +static uint32_t tc6393xb_readb(void *opaque, target_phys_addr_t addr) +{ + return 3; +} +static void tc6393xb_writeb(void *opaque, target_phys_addr_t addr, + uint32_t value) +{ +} +static void tosa_tc6393xb_register(struct pxa2xx_state_s *cpu) +{ + int iomemtype; + struct tc6393xb_s *s; + CPUReadMemoryFunc *tc6393xb_readfn[] = { + tc6393xb_readb, + tc6393xb_readb, + tc6393xb_readb, + }; + CPUWriteMemoryFunc *tc6393xb_writefn[] = { + tc6393xb_writeb, + tc6393xb_writeb, + tc6393xb_writeb, + }; + + s = (struct tc6393xb_s *) qemu_mallocz(sizeof(struct tc6393xb_s)); + s->target_base = 0x10000000; + + iomemtype = cpu_register_io_memory(0, tc6393xb_readfn, + tc6393xb_writefn, s); + cpu_register_physical_memory(s->target_base, 0x200000, iomemtype); +} + +static void tosa_microdrive_attach(struct pxa2xx_state_s *cpu) +{ + struct pcmcia_card_s *md; + int index; + BlockDriverState *bs; + + index = drive_get_index(IF_IDE, 0, 0); + if (index == -1) + return; + bs = drives_table[index].bdrv; + if (bdrv_is_inserted(bs) && !bdrv_is_removable(bs)) { + md = dscm1xxxx_init(bs); + pxa2xx_pcmcia_attach(cpu->pcmcia[0], md); + } +} + +static void tosa_gpio_setup(struct pxa2xx_state_s *cpu, + struct scoop_info_s *scp0, + struct scoop_info_s *scp1) +{ + /* MMC/SD host */ + pxa2xx_mmci_handlers(cpu->mmc, + scoop_gpio_in_get(scp0)[TOSA_GPIO_SD_WP], + qemu_irq_invert(pxa2xx_gpio_in_get(cpu->gpio)[TOSA_GPIO_nSD_DETECT])); + + /* Handle reset */ + pxa2xx_gpio_out_set(cpu->gpio, TOSA_GPIO_ON_RESET, cpu->reset); + + /* PCMCIA signals: card's IRQ and Card-Detect */ + pxa2xx_pcmcia_set_irq_cb(cpu->pcmcia[0], + pxa2xx_gpio_in_get(cpu->gpio)[TOSA_GPIO_CF_IRQ], + pxa2xx_gpio_in_get(cpu->gpio)[TOSA_GPIO_CF_CD]); + + pxa2xx_pcmcia_set_irq_cb(cpu->pcmcia[1], + pxa2xx_gpio_in_get(cpu->gpio)[TOSA_GPIO_JC_CF_IRQ], + NULL); + +} + +static struct arm_boot_info tosa_binfo = { + .loader_start = PXA2XX_SDRAM_BASE, + .ram_size = 0x04000000, +}; + +static void tosa_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) +{ + struct pxa2xx_state_s *cpu; + struct scoop_info_s *scp0, *scp1; + + if (ram_size < (TOSA_RAM + TOSA_ROM + PXA2XX_INTERNAL_SIZE)) { + fprintf(stderr, "This platform requires %i bytes of memory\n", + TOSA_RAM + TOSA_ROM + PXA2XX_INTERNAL_SIZE); + exit(1); + } + + if (!cpu_model) + cpu_model = "pxa255"; + + cpu = pxa255_init(tosa_binfo.ram_size, ds); + + cpu_register_physical_memory(0, TOSA_ROM, + qemu_ram_alloc(TOSA_ROM) | IO_MEM_ROM); + + tosa_tc6393xb_register(cpu); + + scp0 = scoop_init(cpu, 0, 0x08800000); + scp1 = scoop_init(cpu, 1, 0x14800040); + + tosa_gpio_setup(cpu, scp0, scp1); + + tosa_microdrive_attach(cpu); + + /* Setup initial (reset) machine state */ + cpu->env->regs[15] = tosa_binfo.loader_start; + + tosa_binfo.kernel_filename = kernel_filename; + tosa_binfo.kernel_cmdline = kernel_cmdline; + tosa_binfo.initrd_filename = initrd_filename; + tosa_binfo.board_id = 0x208; + arm_load_kernel(cpu->env, &tosa_binfo); + sl_bootparam_write(SL_PXA_PARAM_BASE - PXA2XX_SDRAM_BASE); +} + +QEMUMachine tosapda_machine = { + "tosa", + "Tosa PDA (PXA255)", + tosa_init, + TOSA_RAM + TOSA_ROM + PXA2XX_INTERNAL_SIZE + RAMSIZE_FIXED, +}; |