* This code is licenced under the GPL.
*/
-#include "hw.h"
+#include "sysbus.h"
+#include "ssi.h"
#include "arm-misc.h"
-#include "primecell.h"
#include "devices.h"
#include "qemu-timer.h"
#include "i2c.h"
#include "net.h"
-#include "sd.h"
#include "sysemu.h"
#include "boards.h"
/* General purpose timer module. */
typedef struct gptm_state {
+ SysBusDevice busdev;
uint32_t config;
uint32_t mode[2];
uint32_t control;
} else if (s->mode[n] == 0xa) {
/* PWM mode. Not implemented. */
} else {
- cpu_abort(cpu_single_env, "TODO: 16-bit timer mode 0x%x\n",
- s->mode[n]);
+ hw_error("TODO: 16-bit timer mode 0x%x\n", s->mode[n]);
}
s->tick[n] = tick;
qemu_mod_timer(s->timer[n], tick);
s->state |= 1;
if ((s->control & 0x20)) {
/* Output trigger. */
- qemu_irq_raise(s->trigger);
- qemu_irq_lower(s->trigger);
+ qemu_irq_pulse(s->trigger);
}
if (s->mode[0] & 1) {
/* One-shot. */
} else if (s->mode[n] == 0xa) {
/* PWM mode. Not implemented. */
} else {
- cpu_abort(cpu_single_env, "TODO: 16-bit timer mode 0x%x\n",
- s->mode[n]);
+ hw_error("TODO: 16-bit timer mode 0x%x\n", s->mode[n]);
}
gptm_update_irq(s);
}
if (s->control == 1)
return s->rtc;
case 0x4c: /* TBR */
- cpu_abort(cpu_single_env, "TODO: Timer value read\n");
+ hw_error("TODO: Timer value read\n");
default:
- cpu_abort(cpu_single_env, "gptm_read: Bad offset 0x%x\n", (int)offset);
+ hw_error("gptm_read: Bad offset 0x%x\n", (int)offset);
return 0;
}
}
s->match_prescale[0] = value;
break;
default:
- cpu_abort(cpu_single_env, "gptm_write: Bad offset 0x%x\n", (int)offset);
+ hw_error("gptm_write: Bad offset 0x%x\n", (int)offset);
}
gptm_update_irq(s);
}
return 0;
}
-static void stellaris_gptm_init(uint32_t base, qemu_irq irq, qemu_irq trigger)
+static void stellaris_gptm_init(SysBusDevice *dev)
{
int iomemtype;
- gptm_state *s;
+ gptm_state *s = FROM_SYSBUS(gptm_state, dev);
- s = (gptm_state *)qemu_mallocz(sizeof(gptm_state));
- s->irq = irq;
- s->trigger = trigger;
- s->opaque[0] = s->opaque[1] = s;
+ sysbus_init_irq(dev, &s->irq);
+ qdev_init_gpio_out(&dev->qdev, &s->trigger, 1);
iomemtype = cpu_register_io_memory(0, gptm_readfn,
gptm_writefn, s);
- cpu_register_physical_memory(base, 0x00001000, iomemtype);
+ sysbus_init_mmio(dev, 0x1000, iomemtype);
+
+ s->opaque[0] = s->opaque[1] = s;
s->timer[0] = qemu_new_timer(vm_clock, gptm_tick, &s->opaque[0]);
s->timer[1] = qemu_new_timer(vm_clock, gptm_tick, &s->opaque[1]);
register_savevm("stellaris_gptm", -1, 1, gptm_save, gptm_load, s);
case 0x1e4: /* USER1 */
return s->user1;
default:
- cpu_abort(cpu_single_env, "ssys_read: Bad offset 0x%x\n", (int)offset);
+ hw_error("ssys_read: Bad offset 0x%x\n", (int)offset);
return 0;
}
}
s->ldoarst = value;
break;
default:
- cpu_abort(cpu_single_env, "ssys_write: Bad offset 0x%x\n", (int)offset);
+ hw_error("ssys_write: Bad offset 0x%x\n", (int)offset);
}
ssys_update(s);
}
/* I2C controller. */
typedef struct {
+ SysBusDevice busdev;
i2c_bus *bus;
qemu_irq irq;
uint32_t msa;
case 0x20: /* MCR */
return s->mcr;
default:
- cpu_abort(cpu_single_env, "strllaris_i2c_read: Bad offset 0x%x\n",
- (int)offset);
+ hw_error("strllaris_i2c_read: Bad offset 0x%x\n", (int)offset);
return 0;
}
}
break;
case 0x20: /* MCR */
if (value & 1)
- cpu_abort(cpu_single_env,
+ hw_error(
"stellaris_i2c_write: Loopback not implemented\n");
if (value & 0x20)
- cpu_abort(cpu_single_env,
+ hw_error(
"stellaris_i2c_write: Slave mode not implemented\n");
s->mcr = value & 0x31;
break;
default:
- cpu_abort(cpu_single_env, "stellaris_i2c_write: Bad offset 0x%x\n",
+ hw_error("stellaris_i2c_write: Bad offset 0x%x\n",
(int)offset);
}
stellaris_i2c_update(s);
return 0;
}
-static void stellaris_i2c_init(uint32_t base, qemu_irq irq, i2c_bus *bus)
+static void stellaris_i2c_init(SysBusDevice * dev)
{
- stellaris_i2c_state *s;
+ stellaris_i2c_state *s = FROM_SYSBUS(stellaris_i2c_state, dev);
+ i2c_bus *bus;
int iomemtype;
- s = (stellaris_i2c_state *)qemu_mallocz(sizeof(stellaris_i2c_state));
- s->irq = irq;
+ sysbus_init_irq(dev, &s->irq);
+ bus = i2c_init_bus(&dev->qdev, "i2c");
s->bus = bus;
iomemtype = cpu_register_io_memory(0, stellaris_i2c_readfn,
stellaris_i2c_writefn, s);
- cpu_register_physical_memory(base, 0x00001000, iomemtype);
+ sysbus_init_mmio(dev, 0x1000, iomemtype);
/* ??? For now we only implement the master interface. */
stellaris_i2c_reset(s);
register_savevm("stellaris_i2c", -1, 1,
typedef struct
{
+ SysBusDevice busdev;
uint32_t actss;
uint32_t ris;
uint32_t im;
uint32_t ssmux[4];
uint32_t ssctl[4];
uint32_t noise;
- qemu_irq irq;
+ qemu_irq irq[4];
} stellaris_adc_state;
static uint32_t stellaris_adc_fifo_read(stellaris_adc_state *s, int n)
{
int head;
+ /* TODO: Real hardware has limited size FIFOs. We have a full 16 entry
+ FIFO fir each sequencer. */
head = (s->fifo[n].state >> 4) & 0xf;
if (s->fifo[n].state & STELLARIS_ADC_FIFO_FULL) {
s->ostat |= 1 << n;
static void stellaris_adc_update(stellaris_adc_state *s)
{
int level;
+ int n;
- level = (s->ris & s->im) != 0;
- qemu_set_irq(s->irq, level);
+ for (n = 0; n < 4; n++) {
+ level = (s->ris & s->im & (1 << n)) != 0;
+ qemu_set_irq(s->irq[n], level);
+ }
}
static void stellaris_adc_trigger(void *opaque, int irq, int level)
{
stellaris_adc_state *s = (stellaris_adc_state *)opaque;
+ int n;
- if ((s->actss & 1) == 0) {
- return;
- }
+ for (n = 0; n < 4; n++) {
+ if ((s->actss & (1 << n)) == 0) {
+ continue;
+ }
- /* Some applications use the ADC as a random number source, so introduce
- some variation into the signal. */
- s->noise = s->noise * 314159 + 1;
- /* ??? actual inputs not implemented. Return an arbitrary value. */
- stellaris_adc_fifo_write(s, 0, 0x200 + ((s->noise >> 16) & 7));
- s->ris |= 1;
- stellaris_adc_update(s);
+ if (((s->emux >> (n * 4)) & 0xff) != 5) {
+ continue;
+ }
+
+ /* Some applications use the ADC as a random number source, so introduce
+ some variation into the signal. */
+ s->noise = s->noise * 314159 + 1;
+ /* ??? actual inputs not implemented. Return an arbitrary value. */
+ stellaris_adc_fifo_write(s, n, 0x200 + ((s->noise >> 16) & 7));
+ s->ris |= (1 << n);
+ stellaris_adc_update(s);
+ }
}
static void stellaris_adc_reset(stellaris_adc_state *s)
case 0x30: /* SAC */
return s->sac;
default:
- cpu_abort(cpu_single_env, "strllaris_adc_read: Bad offset 0x%x\n",
+ hw_error("strllaris_adc_read: Bad offset 0x%x\n",
(int)offset);
return 0;
}
return;
case 0x04: /* SSCTL */
if (value != 6) {
- cpu_abort(cpu_single_env, "ADC: Unimplemented sequence %x\n",
+ hw_error("ADC: Unimplemented sequence %x\n",
value);
}
s->ssctl[n] = value;
switch (offset) {
case 0x00: /* ACTSS */
s->actss = value & 0xf;
- if (value & 0xe) {
- cpu_abort(cpu_single_env,
- "Not implemented: ADC sequencers 1-3\n");
- }
break;
case 0x08: /* IM */
s->im = value;
s->sspri = value;
break;
case 0x28: /* PSSI */
- cpu_abort(cpu_single_env, "Not implemented: ADC sample initiate\n");
+ hw_error("Not implemented: ADC sample initiate\n");
break;
case 0x30: /* SAC */
s->sac = value;
break;
default:
- cpu_abort(cpu_single_env, "stellaris_adc_write: Bad offset 0x%x\n",
- (int)offset);
+ hw_error("stellaris_adc_write: Bad offset 0x%x\n", (int)offset);
}
stellaris_adc_update(s);
}
return 0;
}
-static qemu_irq stellaris_adc_init(uint32_t base, qemu_irq irq)
+static void stellaris_adc_init(SysBusDevice *dev)
{
- stellaris_adc_state *s;
+ stellaris_adc_state *s = FROM_SYSBUS(stellaris_adc_state, dev);
int iomemtype;
- qemu_irq *qi;
+ int n;
- s = (stellaris_adc_state *)qemu_mallocz(sizeof(stellaris_adc_state));
- s->irq = irq;
+ for (n = 0; n < 4; n++) {
+ sysbus_init_irq(dev, &s->irq[n]);
+ }
iomemtype = cpu_register_io_memory(0, stellaris_adc_readfn,
stellaris_adc_writefn, s);
- cpu_register_physical_memory(base, 0x00001000, iomemtype);
+ sysbus_init_mmio(dev, 0x1000, iomemtype);
stellaris_adc_reset(s);
- qi = qemu_allocate_irqs(stellaris_adc_trigger, s, 1);
+ qdev_init_gpio_in(&dev->qdev, stellaris_adc_trigger, 1);
register_savevm("stellaris_adc", -1, 1,
stellaris_adc_save, stellaris_adc_load, s);
- return qi[0];
}
/* Some boards have both an OLED controller and SD card connected to
0xff commands that occur when deselecting the SD card. */
typedef struct {
- ssi_xfer_cb xfer_cb[2];
- void *opaque[2];
+ SSISlave ssidev;
qemu_irq irq;
int current_dev;
+ SSIBus *bus[2];
} stellaris_ssi_bus_state;
static void stellaris_ssi_bus_select(void *opaque, int irq, int level)
s->current_dev = level;
}
-static int stellaris_ssi_bus_xfer(void *opaque, int val)
+static uint32_t stellaris_ssi_bus_transfer(SSISlave *dev, uint32_t val)
{
- stellaris_ssi_bus_state *s = (stellaris_ssi_bus_state *)opaque;
+ stellaris_ssi_bus_state *s = FROM_SSI_SLAVE(stellaris_ssi_bus_state, dev);
- return s->xfer_cb[s->current_dev](s->opaque[s->current_dev], val);
+ return ssi_transfer(s->bus[s->current_dev], val);
}
static void stellaris_ssi_bus_save(QEMUFile *f, void *opaque)
return 0;
}
-static void *stellaris_ssi_bus_init(qemu_irq *irqp,
- ssi_xfer_cb cb0, void *opaque0,
- ssi_xfer_cb cb1, void *opaque1)
+static void stellaris_ssi_bus_init(SSISlave *dev)
{
- qemu_irq *qi;
- stellaris_ssi_bus_state *s;
-
- s = (stellaris_ssi_bus_state *)qemu_mallocz(sizeof(stellaris_ssi_bus_state));
- s->xfer_cb[0] = cb0;
- s->opaque[0] = opaque0;
- s->xfer_cb[1] = cb1;
- s->opaque[1] = opaque1;
- qi = qemu_allocate_irqs(stellaris_ssi_bus_select, s, 1);
- *irqp = *qi;
+ stellaris_ssi_bus_state *s = FROM_SSI_SLAVE(stellaris_ssi_bus_state, dev);
+
+ s->bus[0] = ssi_create_bus(&dev->qdev, "ssi0");
+ s->bus[1] = ssi_create_bus(&dev->qdev, "ssi1");
+ qdev_init_gpio_in(&dev->qdev, stellaris_ssi_bus_select, 1);
+
register_savevm("stellaris_ssi_bus", -1, 1,
stellaris_ssi_bus_save, stellaris_ssi_bus_load, s);
- return s;
}
/* Board init. */
static const int gpio_irq[7] = {0, 1, 2, 3, 4, 30, 31};
qemu_irq *pic;
- qemu_irq *gpio_in[7];
- qemu_irq *gpio_out[7];
+ DeviceState *gpio_dev[7];
+ qemu_irq gpio_in[7][8];
+ qemu_irq gpio_out[7][8];
qemu_irq adc;
int sram_size;
int flash_size;
i2c_bus *i2c;
+ DeviceState *dev;
int i;
+ int j;
flash_size = ((board->dc0 & 0xffff) + 1) << 1;
sram_size = (board->dc0 >> 18) + 1;
pic = armv7m_init(flash_size, sram_size, kernel_filename, cpu_model);
if (board->dc1 & (1 << 16)) {
- adc = stellaris_adc_init(0x40038000, pic[14]);
+ dev = sysbus_create_varargs("stellaris-adc", 0x40038000,
+ pic[14], pic[15], pic[16], pic[17], NULL);
+ adc = qdev_get_gpio_in(dev, 0);
} else {
adc = NULL;
}
for (i = 0; i < 4; i++) {
if (board->dc2 & (0x10000 << i)) {
- stellaris_gptm_init(0x40030000 + i * 0x1000,
- pic[timer_irq[i]], adc);
+ dev = sysbus_create_simple("stellaris-gptm",
+ 0x40030000 + i * 0x1000,
+ pic[timer_irq[i]]);
+ /* TODO: This is incorrect, but we get away with it because
+ the ADC output is only ever pulsed. */
+ qdev_connect_gpio_out(dev, 0, adc);
}
}
for (i = 0; i < 7; i++) {
if (board->dc4 & (1 << i)) {
- gpio_in[i] = pl061_init(gpio_addr[i], pic[gpio_irq[i]],
- &gpio_out[i]);
+ gpio_dev[i] = sysbus_create_simple("pl061", gpio_addr[i],
+ pic[gpio_irq[i]]);
+ for (j = 0; j < 8; j++) {
+ gpio_in[i][j] = qdev_get_gpio_in(gpio_dev[i], j);
+ gpio_out[i][j] = NULL;
+ }
}
}
if (board->dc2 & (1 << 12)) {
- i2c = i2c_init_bus();
- stellaris_i2c_init(0x40020000, pic[8], i2c);
+ dev = sysbus_create_simple("stellaris-i2c", 0x40020000, pic[8]);
+ i2c = (i2c_bus *)qdev_get_child_bus(dev, "i2c");
if (board->peripherals & BP_OLED_I2C) {
- ssd0303_init(i2c, 0x3d);
+ i2c_create_slave(i2c, "ssd0303", 0x3d);
}
}
for (i = 0; i < 4; i++) {
if (board->dc2 & (1 << i)) {
- pl011_init(0x4000c000 + i * 0x1000, pic[uart_irq[i]],
- serial_hds[i], PL011_LUMINARY);
+ sysbus_create_simple("pl011_luminary", 0x4000c000 + i * 0x1000,
+ pic[uart_irq[i]]);
}
}
if (board->dc2 & (1 << 4)) {
+ dev = sysbus_create_simple("pl022", 0x40008000, pic[7]);
if (board->peripherals & BP_OLED_SSI) {
- void * oled;
- void * sd;
- void *ssi_bus;
- int index;
+ DeviceState *mux;
+ void *bus;
+
+ bus = qdev_get_child_bus(dev, "ssi");
+ mux = ssi_create_slave(bus, "evb6965-ssi");
+ gpio_out[GPIO_D][0] = qdev_get_gpio_in(mux, 0);
- oled = ssd0323_init(&gpio_out[GPIO_C][7]);
- index = drive_get_index(IF_SD, 0, 0);
- sd = ssi_sd_init(drives_table[index].bdrv);
+ bus = qdev_get_child_bus(mux, "ssi0");
+ dev = ssi_create_slave(bus, "ssi-sd");
- ssi_bus = stellaris_ssi_bus_init(&gpio_out[GPIO_D][0],
- ssi_sd_xfer, sd,
- ssd0323_xfer_ssi, oled);
+ bus = qdev_get_child_bus(mux, "ssi1");
+ dev = ssi_create_slave(bus, "ssd0323");
+ gpio_out[GPIO_C][7] = qdev_get_gpio_in(dev, 0);
- pl022_init(0x40008000, pic[7], stellaris_ssi_bus_xfer, ssi_bus);
/* Make sure the select pin is high. */
qemu_irq_raise(gpio_out[GPIO_D][0]);
- } else {
- pl022_init(0x40008000, pic[7], NULL, NULL);
}
}
- if (board->dc4 & (1 << 28))
- stellaris_enet_init(&nd_table[0], 0x40048000, pic[42]);
+ if (board->dc4 & (1 << 28)) {
+ DeviceState *enet;
+
+ qemu_check_nic_model(&nd_table[0], "stellaris");
+
+ enet = qdev_create(NULL, "stellaris_enet");
+ qdev_set_netdev(enet, &nd_table[0]);
+ qdev_init(enet);
+ sysbus_mmio_map(sysbus_from_qdev(enet), 0, 0x40048000);
+ sysbus_connect_irq(sysbus_from_qdev(enet), 0, pic[42]);
+ }
if (board->peripherals & BP_GAMEPAD) {
qemu_irq gpad_irq[5];
static const int gpad_keycode[5] = { 0xc8, 0xd0, 0xcb, 0xcd, 0x1d };
stellaris_gamepad_init(5, gpad_irq, gpad_keycode);
}
+ for (i = 0; i < 7; i++) {
+ if (board->dc4 & (1 << i)) {
+ for (j = 0; j < 8; j++) {
+ if (gpio_out[i][j]) {
+ qdev_connect_gpio_out(gpio_dev[i], j, gpio_out[i][j]);
+ }
+ }
+ }
+ }
}
/* FIXME: Figure out how to generate these from stellaris_boards. */
-static void lm3s811evb_init(ram_addr_t ram_size, int vga_ram_size,
+static void lm3s811evb_init(ram_addr_t ram_size,
const char *boot_device,
const char *kernel_filename, const char *kernel_cmdline,
const char *initrd_filename, const char *cpu_model)
stellaris_init(kernel_filename, cpu_model, &stellaris_boards[0]);
}
-static void lm3s6965evb_init(ram_addr_t ram_size, int vga_ram_size,
+static void lm3s6965evb_init(ram_addr_t ram_size,
const char *boot_device,
const char *kernel_filename, const char *kernel_cmdline,
const char *initrd_filename, const char *cpu_model)
stellaris_init(kernel_filename, cpu_model, &stellaris_boards[1]);
}
-QEMUMachine lm3s811evb_machine = {
+static QEMUMachine lm3s811evb_machine = {
.name = "lm3s811evb",
.desc = "Stellaris LM3S811EVB",
.init = lm3s811evb_init,
};
-QEMUMachine lm3s6965evb_machine = {
+static QEMUMachine lm3s6965evb_machine = {
.name = "lm3s6965evb",
.desc = "Stellaris LM3S6965EVB",
.init = lm3s6965evb_init,
};
+
+static void stellaris_machine_init(void)
+{
+ qemu_register_machine(&lm3s811evb_machine);
+ qemu_register_machine(&lm3s6965evb_machine);
+}
+
+machine_init(stellaris_machine_init);
+
+static SSISlaveInfo stellaris_ssi_bus_info = {
+ .init = stellaris_ssi_bus_init,
+ .transfer = stellaris_ssi_bus_transfer
+};
+
+static void stellaris_register_devices(void)
+{
+ sysbus_register_dev("stellaris-i2c", sizeof(stellaris_i2c_state),
+ stellaris_i2c_init);
+ sysbus_register_dev("stellaris-gptm", sizeof(gptm_state),
+ stellaris_gptm_init);
+ sysbus_register_dev("stellaris-adc", sizeof(stellaris_adc_state),
+ stellaris_adc_init);
+ ssi_register_slave("evb6965-ssi", sizeof(stellaris_ssi_bus_state),
+ &stellaris_ssi_bus_info);
+}
+
+device_init(stellaris_register_devices)
projects / qemu / blobdiff