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-rw-r--r--hw/arm/tosa.c326
1 files changed, 326 insertions, 0 deletions
diff --git a/hw/arm/tosa.c b/hw/arm/tosa.c
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index 000000000..d5a6763cf
--- /dev/null
+++ b/hw/arm/tosa.c
@@ -0,0 +1,326 @@
+/* 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 "hw/misc/led.h"
+#include "exec/address-spaces.h"
+#include "qom/object.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);
+}
+
+/*
+ * Encapsulation of some GPIO line behaviour for the Tosa board
+ *
+ * QEMU interface:
+ * + named GPIO inputs "leds[0..3]": assert to light LEDs
+ * + named GPIO input "reset": when asserted, resets the system
+ */
+
+#define TYPE_TOSA_MISC_GPIO "tosa-misc-gpio"
+OBJECT_DECLARE_SIMPLE_TYPE(TosaMiscGPIOState, TOSA_MISC_GPIO)
+
+struct TosaMiscGPIOState {
+ SysBusDevice parent_obj;
+};
+
+static void tosa_reset(void *opaque, int line, int level)
+{
+ if (level) {
+ qemu_system_reset_request(SHUTDOWN_CAUSE_GUEST_RESET);
+ }
+}
+
+static void tosa_misc_gpio_init(Object *obj)
+{
+ DeviceState *dev = DEVICE(obj);
+
+ qdev_init_gpio_in_named(dev, tosa_reset, "reset", 1);
+}
+
+static void tosa_gpio_setup(PXA2xxState *cpu,
+ DeviceState *scp0,
+ DeviceState *scp1,
+ TC6393xbState *tmio)
+{
+ DeviceState *misc_gpio;
+ LEDState *led[4];
+
+ misc_gpio = sysbus_create_simple(TYPE_TOSA_MISC_GPIO, -1, NULL);
+
+ /* 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,
+ qdev_get_gpio_in_named(misc_gpio, "reset", 0));
+
+ /* 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);
+
+ led[0] = led_create_simple(OBJECT(misc_gpio), GPIO_POLARITY_ACTIVE_HIGH,
+ LED_COLOR_BLUE, "bluetooth");
+ led[1] = led_create_simple(OBJECT(misc_gpio), GPIO_POLARITY_ACTIVE_HIGH,
+ LED_COLOR_GREEN, "note");
+ led[2] = led_create_simple(OBJECT(misc_gpio), GPIO_POLARITY_ACTIVE_HIGH,
+ LED_COLOR_AMBER, "charger-error");
+ led[3] = led_create_simple(OBJECT(misc_gpio), GPIO_POLARITY_ACTIVE_HIGH,
+ LED_COLOR_GREEN, "wlan");
+
+ qdev_connect_gpio_out(scp1, TOSA_GPIO_BT_LED,
+ qdev_get_gpio_in(DEVICE(led[0]), 0));
+ qdev_connect_gpio_out(scp1, TOSA_GPIO_NOTE_LED,
+ qdev_get_gpio_in(DEVICE(led[1]), 0));
+ qdev_connect_gpio_out(scp1, TOSA_GPIO_CHRG_ERR_LED,
+ qdev_get_gpio_in(DEVICE(led[2]), 0));
+ qdev_connect_gpio_out(scp1, TOSA_GPIO_WLAN_LED,
+ qdev_get_gpio_in(DEVICE(led[3]), 0));
+
+ 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(SSIPeripheral *dev, uint32_t value)
+{
+ fprintf(stderr, "TG: %u %02x\n", value >> 5, value & 0x1f);
+ return 0;
+}
+
+static void tosa_ssp_realize(SSIPeripheral *dev, Error **errp)
+{
+ /* Nothing to do. */
+}
+
+#define TYPE_TOSA_DAC "tosa_dac"
+OBJECT_DECLARE_SIMPLE_TYPE(TosaDACState, TOSA_DAC)
+
+struct TosaDACState {
+ I2CSlave parent_obj;
+
+ int len;
+ char buf[3];
+};
+
+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_slave_create_simple(bus, TYPE_TOSA_DAC, DAC_BASE);
+ ssi_create_peripheral(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_rom(rom, NULL, "tosa.rom", TOSA_ROM, &error_fatal);
+ 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)
+{
+ SSIPeripheralClass *k = SSI_PERIPHERAL_CLASS(klass);
+
+ k->realize = tosa_ssp_realize;
+ k->transfer = tosa_ssp_tansfer;
+}
+
+static const TypeInfo tosa_ssp_info = {
+ .name = "tosa-ssp",
+ .parent = TYPE_SSI_PERIPHERAL,
+ .instance_size = sizeof(SSIPeripheral),
+ .class_init = tosa_ssp_class_init,
+};
+
+static const TypeInfo tosa_misc_gpio_info = {
+ .name = TYPE_TOSA_MISC_GPIO,
+ .parent = TYPE_SYS_BUS_DEVICE,
+ .instance_size = sizeof(TosaMiscGPIOState),
+ .instance_init = tosa_misc_gpio_init,
+ /*
+ * No class init required: device has no internal state so does not
+ * need to set up reset or vmstate, and has no realize method.
+ */
+};
+
+static void tosa_register_types(void)
+{
+ type_register_static(&tosa_dac_info);
+ type_register_static(&tosa_ssp_info);
+ type_register_static(&tosa_misc_gpio_info);
+}
+
+type_init(tosa_register_types)