| /* 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 "sysemu/runstate.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" |
| |
| #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) |
| { |
| 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.board_id = 0x208; |
| arm_load_kernel(mpu->cpu, machine, &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) |