/* 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. * * Contributions after 2012-01-13 are licensed under the terms of the * GNU GPL, version 2 or (at your option) any later version. */ #include "qemu/osdep.h" #include "qapi/error.h" #include "hw/arm/pxa.h" #include "hw/arm/boot.h" #include "hw/arm/sharpsl.h" #include "hw/pcmcia.h" #include "hw/boards.h" #include "hw/display/tc6393xb.h" #include "hw/i2c/i2c.h" #include "hw/irq.h" #include "hw/ssi/ssi.h" #include "hw/sysbus.h" #include "exec/address-spaces.h" #include "sysemu/sysemu.h" #define TOSA_RAM 0x04000000 #define TOSA_ROM 0x00800000 #define TOSA_GPIO_USB_IN (5) #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_TC6393XB_INT (15) #define TOSA_GPIO_JC_CF_IRQ (36) /* CF slot1 Ready */ #define TOSA_SCOOP_GPIO_BASE 1 #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) #define TOSA_SCOOP_JC_GPIO_BASE 1 #define TOSA_GPIO_BT_LED (TOSA_SCOOP_JC_GPIO_BASE + 0) #define TOSA_GPIO_NOTE_LED (TOSA_SCOOP_JC_GPIO_BASE + 1) #define TOSA_GPIO_CHRG_ERR_LED (TOSA_SCOOP_JC_GPIO_BASE + 2) #define TOSA_GPIO_TC6393XB_L3V_ON (TOSA_SCOOP_JC_GPIO_BASE + 5) #define TOSA_GPIO_WLAN_LED (TOSA_SCOOP_JC_GPIO_BASE + 7) #define DAC_BASE 0x4e #define DAC_CH1 0 #define DAC_CH2 1 static void tosa_microdrive_attach(PXA2xxState *cpu) { PCMCIACardState *md; DriveInfo *dinfo; dinfo = drive_get(IF_IDE, 0, 0); if (!dinfo || dinfo->media_cd) return; md = dscm1xxxx_init(dinfo); pxa2xx_pcmcia_attach(cpu->pcmcia[0], md); } static void tosa_out_switch(void *opaque, int line, int level) { switch (line) { case 0: fprintf(stderr, "blue LED %s.\n", level ? "on" : "off"); break; case 1: fprintf(stderr, "green LED %s.\n", level ? "on" : "off"); break; case 2: fprintf(stderr, "amber LED %s.\n", level ? "on" : "off"); break; case 3: fprintf(stderr, "wlan LED %s.\n", level ? "on" : "off"); break; default: fprintf(stderr, "Uhandled out event: %d = %d\n", line, level); break; } } static void tosa_reset(void *opaque, int line, int level) { if (level) { qemu_system_reset_request(SHUTDOWN_CAUSE_GUEST_RESET); } } static void tosa_gpio_setup(PXA2xxState *cpu, DeviceState *scp0, DeviceState *scp1, TC6393xbState *tmio) { qemu_irq *outsignals = qemu_allocate_irqs(tosa_out_switch, cpu, 4); qemu_irq reset; /* MMC/SD host */ pxa2xx_mmci_handlers(cpu->mmc, qdev_get_gpio_in(scp0, TOSA_GPIO_SD_WP), qemu_irq_invert(qdev_get_gpio_in(cpu->gpio, TOSA_GPIO_nSD_DETECT))); /* Handle reset */ reset = qemu_allocate_irq(tosa_reset, cpu, 0); qdev_connect_gpio_out(cpu->gpio, TOSA_GPIO_ON_RESET, reset); /* PCMCIA signals: card's IRQ and Card-Detect */ pxa2xx_pcmcia_set_irq_cb(cpu->pcmcia[0], qdev_get_gpio_in(cpu->gpio, TOSA_GPIO_CF_IRQ), qdev_get_gpio_in(cpu->gpio, TOSA_GPIO_CF_CD)); pxa2xx_pcmcia_set_irq_cb(cpu->pcmcia[1], qdev_get_gpio_in(cpu->gpio, TOSA_GPIO_JC_CF_IRQ), NULL); qdev_connect_gpio_out(scp1, TOSA_GPIO_BT_LED, outsignals[0]); qdev_connect_gpio_out(scp1, TOSA_GPIO_NOTE_LED, outsignals[1]); qdev_connect_gpio_out(scp1, TOSA_GPIO_CHRG_ERR_LED, outsignals[2]); qdev_connect_gpio_out(scp1, TOSA_GPIO_WLAN_LED, outsignals[3]); qdev_connect_gpio_out(scp1, TOSA_GPIO_TC6393XB_L3V_ON, tc6393xb_l3v_get(tmio)); /* UDC Vbus */ qemu_irq_raise(qdev_get_gpio_in(cpu->gpio, TOSA_GPIO_USB_IN)); } static uint32_t tosa_ssp_tansfer(SSISlave *dev, uint32_t value) { fprintf(stderr, "TG: %d %02x\n", value >> 5, value & 0x1f); return 0; } static void tosa_ssp_realize(SSISlave *dev, Error **errp) { /* Nothing to do. */ } #define TYPE_TOSA_DAC "tosa_dac" #define TOSA_DAC(obj) OBJECT_CHECK(TosaDACState, (obj), TYPE_TOSA_DAC) typedef struct { I2CSlave parent_obj; int len; char buf[3]; } TosaDACState; static int tosa_dac_send(I2CSlave *i2c, uint8_t data) { TosaDACState *s = TOSA_DAC(i2c); s->buf[s->len] = data; if (s->len ++ > 2) { #ifdef VERBOSE fprintf(stderr, "%s: message too long (%i bytes)\n", __func__, s->len); #endif return 1; } if (s->len == 2) { fprintf(stderr, "dac: channel %d value 0x%02x\n", s->buf[0], s->buf[1]); } return 0; } static int tosa_dac_event(I2CSlave *i2c, enum i2c_event event) { TosaDACState *s = TOSA_DAC(i2c); s->len = 0; switch (event) { case I2C_START_SEND: break; case I2C_START_RECV: printf("%s: recv not supported!!!\n", __func__); break; case I2C_FINISH: #ifdef VERBOSE if (s->len < 2) printf("%s: message too short (%i bytes)\n", __func__, s->len); if (s->len > 2) printf("%s: message too long\n", __func__); #endif break; default: break; } return 0; } static uint8_t tosa_dac_recv(I2CSlave *s) { printf("%s: recv not supported!!!\n", __func__); return 0xff; } static void tosa_tg_init(PXA2xxState *cpu) { I2CBus *bus = pxa2xx_i2c_bus(cpu->i2c[0]); i2c_create_slave(bus, TYPE_TOSA_DAC, DAC_BASE); ssi_create_slave(cpu->ssp[1], "tosa-ssp"); } static struct arm_boot_info tosa_binfo = { .loader_start = PXA2XX_SDRAM_BASE, .ram_size = 0x04000000, }; static void tosa_init(MachineState *machine) { const char *kernel_filename = machine->kernel_filename; const char *kernel_cmdline = machine->kernel_cmdline; const char *initrd_filename = machine->initrd_filename; MemoryRegion *address_space_mem = get_system_memory(); MemoryRegion *rom = g_new(MemoryRegion, 1); PXA2xxState *mpu; TC6393xbState *tmio; DeviceState *scp0, *scp1; mpu = pxa255_init(address_space_mem, tosa_binfo.ram_size); memory_region_init_ram(rom, NULL, "tosa.rom", TOSA_ROM, &error_fatal); memory_region_set_readonly(rom, true); memory_region_add_subregion(address_space_mem, 0, rom); tmio = tc6393xb_init(address_space_mem, 0x10000000, qdev_get_gpio_in(mpu->gpio, TOSA_GPIO_TC6393XB_INT)); scp0 = sysbus_create_simple("scoop", 0x08800000, NULL); scp1 = sysbus_create_simple("scoop", 0x14800040, NULL); tosa_gpio_setup(mpu, scp0, scp1, tmio); tosa_microdrive_attach(mpu); tosa_tg_init(mpu); 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(mpu->cpu, &tosa_binfo); sl_bootparam_write(SL_PXA_PARAM_BASE); } static void tosapda_machine_init(MachineClass *mc) { mc->desc = "Sharp SL-6000 (Tosa) PDA (PXA255)"; mc->init = tosa_init; mc->block_default_type = IF_IDE; mc->ignore_memory_transaction_failures = true; } DEFINE_MACHINE("tosa", tosapda_machine_init) static void tosa_dac_class_init(ObjectClass *klass, void *data) { I2CSlaveClass *k = I2C_SLAVE_CLASS(klass); k->event = tosa_dac_event; k->recv = tosa_dac_recv; k->send = tosa_dac_send; } static const TypeInfo tosa_dac_info = { .name = TYPE_TOSA_DAC, .parent = TYPE_I2C_SLAVE, .instance_size = sizeof(TosaDACState), .class_init = tosa_dac_class_init, }; static void tosa_ssp_class_init(ObjectClass *klass, void *data) { SSISlaveClass *k = SSI_SLAVE_CLASS(klass); k->realize = tosa_ssp_realize; k->transfer = tosa_ssp_tansfer; } static const TypeInfo tosa_ssp_info = { .name = "tosa-ssp", .parent = TYPE_SSI_SLAVE, .instance_size = sizeof(SSISlave), .class_init = tosa_ssp_class_init, }; static void tosa_register_types(void) { type_register_static(&tosa_dac_info); type_register_static(&tosa_ssp_info); } type_init(tosa_register_types)