--- /dev/null
+/* 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/arm/pxa.h"
+#include "hw/arm/arm.h"
+#include "hw/devices.h"
+#include "hw/arm/sharpsl.h"
+#include "hw/pcmcia.h"
+#include "hw/boards.h"
+#include "hw/i2c/i2c.h"
+#include "hw/ssi.h"
+#include "sysemu/block-backend.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;
+}
+
+#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", __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 = TOSA_DAC(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)
+{
+ 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 *cpu_model = machine->cpu_model;
+ 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;
+
+ if (!cpu_model)
+ cpu_model = "pxa255";
+
+ mpu = pxa255_init(address_space_mem, tosa_binfo.ram_size);
+
+ memory_region_init_ram(rom, NULL, "tosa.rom", TOSA_ROM, &error_abort);
+ 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,
+};
+
+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 = 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->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)
Code Review / kvmfornfv.git / blobdiff