diff options
Diffstat (limited to 'hw/arm/tosa.c')
-rw-r--r-- | hw/arm/tosa.c | 302 |
1 files changed, 302 insertions, 0 deletions
diff --git a/hw/arm/tosa.c b/hw/arm/tosa.c new file mode 100644 index 0000000000..747888c64e --- /dev/null +++ b/hw/arm/tosa.c @@ -0,0 +1,302 @@ +/* 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 "hw/hw.h" +#include "hw/pxa.h" +#include "hw/arm-misc.h" +#include "hw/devices.h" +#include "hw/sharpsl.h" +#include "hw/pcmcia.h" +#include "block/block.h" +#include "hw/boards.h" +#include "hw/i2c.h" +#include "hw/ssi.h" +#include "sysemu/blockdev.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_gpio_setup(PXA2xxState *cpu, + DeviceState *scp0, + DeviceState *scp1, + TC6393xbState *tmio) +{ + qemu_irq *outsignals = qemu_allocate_irqs(tosa_out_switch, cpu, 4); + /* 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 */ + qdev_connect_gpio_out(cpu->gpio, TOSA_GPIO_ON_RESET, cpu->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 int tosa_ssp_init(SSISlave *dev) +{ + /* Nothing to do. */ + return 0; +} + +typedef struct { + I2CSlave i2c; + int len; + char buf[3]; +} TosaDACState; + +static int tosa_dac_send(I2CSlave *i2c, uint8_t data) +{ + TosaDACState *s = FROM_I2C_SLAVE(TosaDACState, i2c); + s->buf[s->len] = data; + if (s->len ++ > 2) { +#ifdef VERBOSE + fprintf(stderr, "%s: message too long (%i bytes)\n", __FUNCTION__, 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 void tosa_dac_event(I2CSlave *i2c, enum i2c_event event) +{ + TosaDACState *s = FROM_I2C_SLAVE(TosaDACState, i2c); + s->len = 0; + switch (event) { + case I2C_START_SEND: + break; + case I2C_START_RECV: + printf("%s: recv not supported!!!\n", __FUNCTION__); + break; + case I2C_FINISH: +#ifdef VERBOSE + if (s->len < 2) + printf("%s: message too short (%i bytes)\n", __FUNCTION__, s->len); + if (s->len > 2) + printf("%s: message too long\n", __FUNCTION__); +#endif + break; + default: + break; + } +} + +static int tosa_dac_recv(I2CSlave *s) +{ + printf("%s: recv not supported!!!\n", __FUNCTION__); + return -1; +} + +static int tosa_dac_init(I2CSlave *i2c) +{ + /* Nothing to do. */ + return 0; +} + +static void tosa_tg_init(PXA2xxState *cpu) +{ + i2c_bus *bus = pxa2xx_i2c_bus(cpu->i2c[0]); + i2c_create_slave(bus, "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(QEMUMachineInitArgs *args) +{ + const char *cpu_model = args->cpu_model; + const char *kernel_filename = args->kernel_filename; + const char *kernel_cmdline = args->kernel_cmdline; + const char *initrd_filename = args->initrd_filename; + MemoryRegion *address_space_mem = get_system_memory(); + MemoryRegion *rom = g_new(MemoryRegion, 1); + PXA2xxState *mpu; + TC6393xbState *tmio; + DeviceState *scp0, *scp1; + + if (!cpu_model) + cpu_model = "pxa255"; + + mpu = pxa255_init(address_space_mem, tosa_binfo.ram_size); + + memory_region_init_ram(rom, "tosa.rom", TOSA_ROM); + vmstate_register_ram_global(rom); + 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 QEMUMachine tosapda_machine = { + .name = "tosa", + .desc = "Tosa PDA (PXA255)", + .init = tosa_init, + DEFAULT_MACHINE_OPTIONS, +}; + +static void tosapda_machine_init(void) +{ + qemu_register_machine(&tosapda_machine); +} + +machine_init(tosapda_machine_init); + +static void tosa_dac_class_init(ObjectClass *klass, void *data) +{ + I2CSlaveClass *k = I2C_SLAVE_CLASS(klass); + + k->init = tosa_dac_init; + k->event = tosa_dac_event; + k->recv = tosa_dac_recv; + k->send = tosa_dac_send; +} + +static const TypeInfo tosa_dac_info = { + .name = "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->init = tosa_ssp_init; + 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) |