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-rw-r--r--src/hw/arm/stellaris.c1473
1 files changed, 1473 insertions, 0 deletions
diff --git a/src/hw/arm/stellaris.c b/src/hw/arm/stellaris.c
new file mode 100644
index 0000000..0114e0a
--- /dev/null
+++ b/src/hw/arm/stellaris.c
@@ -0,0 +1,1473 @@
+/*
+ * Luminary Micro Stellaris peripherals
+ *
+ * Copyright (c) 2006 CodeSourcery.
+ * Written by Paul Brook
+ *
+ * This code is licensed under the GPL.
+ */
+
+#include "hw/sysbus.h"
+#include "hw/ssi.h"
+#include "hw/arm/arm.h"
+#include "hw/devices.h"
+#include "qemu/timer.h"
+#include "hw/i2c/i2c.h"
+#include "net/net.h"
+#include "hw/boards.h"
+#include "exec/address-spaces.h"
+#include "sysemu/sysemu.h"
+
+#define GPIO_A 0
+#define GPIO_B 1
+#define GPIO_C 2
+#define GPIO_D 3
+#define GPIO_E 4
+#define GPIO_F 5
+#define GPIO_G 6
+
+#define BP_OLED_I2C 0x01
+#define BP_OLED_SSI 0x02
+#define BP_GAMEPAD 0x04
+
+#define NUM_IRQ_LINES 64
+
+typedef const struct {
+ const char *name;
+ uint32_t did0;
+ uint32_t did1;
+ uint32_t dc0;
+ uint32_t dc1;
+ uint32_t dc2;
+ uint32_t dc3;
+ uint32_t dc4;
+ uint32_t peripherals;
+} stellaris_board_info;
+
+/* General purpose timer module. */
+
+#define TYPE_STELLARIS_GPTM "stellaris-gptm"
+#define STELLARIS_GPTM(obj) \
+ OBJECT_CHECK(gptm_state, (obj), TYPE_STELLARIS_GPTM)
+
+typedef struct gptm_state {
+ SysBusDevice parent_obj;
+
+ MemoryRegion iomem;
+ uint32_t config;
+ uint32_t mode[2];
+ uint32_t control;
+ uint32_t state;
+ uint32_t mask;
+ uint32_t load[2];
+ uint32_t match[2];
+ uint32_t prescale[2];
+ uint32_t match_prescale[2];
+ uint32_t rtc;
+ int64_t tick[2];
+ struct gptm_state *opaque[2];
+ QEMUTimer *timer[2];
+ /* The timers have an alternate output used to trigger the ADC. */
+ qemu_irq trigger;
+ qemu_irq irq;
+} gptm_state;
+
+static void gptm_update_irq(gptm_state *s)
+{
+ int level;
+ level = (s->state & s->mask) != 0;
+ qemu_set_irq(s->irq, level);
+}
+
+static void gptm_stop(gptm_state *s, int n)
+{
+ timer_del(s->timer[n]);
+}
+
+static void gptm_reload(gptm_state *s, int n, int reset)
+{
+ int64_t tick;
+ if (reset)
+ tick = qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL);
+ else
+ tick = s->tick[n];
+
+ if (s->config == 0) {
+ /* 32-bit CountDown. */
+ uint32_t count;
+ count = s->load[0] | (s->load[1] << 16);
+ tick += (int64_t)count * system_clock_scale;
+ } else if (s->config == 1) {
+ /* 32-bit RTC. 1Hz tick. */
+ tick += get_ticks_per_sec();
+ } else if (s->mode[n] == 0xa) {
+ /* PWM mode. Not implemented. */
+ } else {
+ hw_error("TODO: 16-bit timer mode 0x%x\n", s->mode[n]);
+ }
+ s->tick[n] = tick;
+ timer_mod(s->timer[n], tick);
+}
+
+static void gptm_tick(void *opaque)
+{
+ gptm_state **p = (gptm_state **)opaque;
+ gptm_state *s;
+ int n;
+
+ s = *p;
+ n = p - s->opaque;
+ if (s->config == 0) {
+ s->state |= 1;
+ if ((s->control & 0x20)) {
+ /* Output trigger. */
+ qemu_irq_pulse(s->trigger);
+ }
+ if (s->mode[0] & 1) {
+ /* One-shot. */
+ s->control &= ~1;
+ } else {
+ /* Periodic. */
+ gptm_reload(s, 0, 0);
+ }
+ } else if (s->config == 1) {
+ /* RTC. */
+ uint32_t match;
+ s->rtc++;
+ match = s->match[0] | (s->match[1] << 16);
+ if (s->rtc > match)
+ s->rtc = 0;
+ if (s->rtc == 0) {
+ s->state |= 8;
+ }
+ gptm_reload(s, 0, 0);
+ } else if (s->mode[n] == 0xa) {
+ /* PWM mode. Not implemented. */
+ } else {
+ hw_error("TODO: 16-bit timer mode 0x%x\n", s->mode[n]);
+ }
+ gptm_update_irq(s);
+}
+
+static uint64_t gptm_read(void *opaque, hwaddr offset,
+ unsigned size)
+{
+ gptm_state *s = (gptm_state *)opaque;
+
+ switch (offset) {
+ case 0x00: /* CFG */
+ return s->config;
+ case 0x04: /* TAMR */
+ return s->mode[0];
+ case 0x08: /* TBMR */
+ return s->mode[1];
+ case 0x0c: /* CTL */
+ return s->control;
+ case 0x18: /* IMR */
+ return s->mask;
+ case 0x1c: /* RIS */
+ return s->state;
+ case 0x20: /* MIS */
+ return s->state & s->mask;
+ case 0x24: /* CR */
+ return 0;
+ case 0x28: /* TAILR */
+ return s->load[0] | ((s->config < 4) ? (s->load[1] << 16) : 0);
+ case 0x2c: /* TBILR */
+ return s->load[1];
+ case 0x30: /* TAMARCHR */
+ return s->match[0] | ((s->config < 4) ? (s->match[1] << 16) : 0);
+ case 0x34: /* TBMATCHR */
+ return s->match[1];
+ case 0x38: /* TAPR */
+ return s->prescale[0];
+ case 0x3c: /* TBPR */
+ return s->prescale[1];
+ case 0x40: /* TAPMR */
+ return s->match_prescale[0];
+ case 0x44: /* TBPMR */
+ return s->match_prescale[1];
+ case 0x48: /* TAR */
+ if (s->config == 1) {
+ return s->rtc;
+ }
+ qemu_log_mask(LOG_UNIMP,
+ "GPTM: read of TAR but timer read not supported");
+ return 0;
+ case 0x4c: /* TBR */
+ qemu_log_mask(LOG_UNIMP,
+ "GPTM: read of TBR but timer read not supported");
+ return 0;
+ default:
+ qemu_log_mask(LOG_GUEST_ERROR,
+ "GPTM: read at bad offset 0x%x\n", (int)offset);
+ return 0;
+ }
+}
+
+static void gptm_write(void *opaque, hwaddr offset,
+ uint64_t value, unsigned size)
+{
+ gptm_state *s = (gptm_state *)opaque;
+ uint32_t oldval;
+
+ /* The timers should be disabled before changing the configuration.
+ We take advantage of this and defer everything until the timer
+ is enabled. */
+ switch (offset) {
+ case 0x00: /* CFG */
+ s->config = value;
+ break;
+ case 0x04: /* TAMR */
+ s->mode[0] = value;
+ break;
+ case 0x08: /* TBMR */
+ s->mode[1] = value;
+ break;
+ case 0x0c: /* CTL */
+ oldval = s->control;
+ s->control = value;
+ /* TODO: Implement pause. */
+ if ((oldval ^ value) & 1) {
+ if (value & 1) {
+ gptm_reload(s, 0, 1);
+ } else {
+ gptm_stop(s, 0);
+ }
+ }
+ if (((oldval ^ value) & 0x100) && s->config >= 4) {
+ if (value & 0x100) {
+ gptm_reload(s, 1, 1);
+ } else {
+ gptm_stop(s, 1);
+ }
+ }
+ break;
+ case 0x18: /* IMR */
+ s->mask = value & 0x77;
+ gptm_update_irq(s);
+ break;
+ case 0x24: /* CR */
+ s->state &= ~value;
+ break;
+ case 0x28: /* TAILR */
+ s->load[0] = value & 0xffff;
+ if (s->config < 4) {
+ s->load[1] = value >> 16;
+ }
+ break;
+ case 0x2c: /* TBILR */
+ s->load[1] = value & 0xffff;
+ break;
+ case 0x30: /* TAMARCHR */
+ s->match[0] = value & 0xffff;
+ if (s->config < 4) {
+ s->match[1] = value >> 16;
+ }
+ break;
+ case 0x34: /* TBMATCHR */
+ s->match[1] = value >> 16;
+ break;
+ case 0x38: /* TAPR */
+ s->prescale[0] = value;
+ break;
+ case 0x3c: /* TBPR */
+ s->prescale[1] = value;
+ break;
+ case 0x40: /* TAPMR */
+ s->match_prescale[0] = value;
+ break;
+ case 0x44: /* TBPMR */
+ s->match_prescale[0] = value;
+ break;
+ default:
+ hw_error("gptm_write: Bad offset 0x%x\n", (int)offset);
+ }
+ gptm_update_irq(s);
+}
+
+static const MemoryRegionOps gptm_ops = {
+ .read = gptm_read,
+ .write = gptm_write,
+ .endianness = DEVICE_NATIVE_ENDIAN,
+};
+
+static const VMStateDescription vmstate_stellaris_gptm = {
+ .name = "stellaris_gptm",
+ .version_id = 1,
+ .minimum_version_id = 1,
+ .fields = (VMStateField[]) {
+ VMSTATE_UINT32(config, gptm_state),
+ VMSTATE_UINT32_ARRAY(mode, gptm_state, 2),
+ VMSTATE_UINT32(control, gptm_state),
+ VMSTATE_UINT32(state, gptm_state),
+ VMSTATE_UINT32(mask, gptm_state),
+ VMSTATE_UNUSED(8),
+ VMSTATE_UINT32_ARRAY(load, gptm_state, 2),
+ VMSTATE_UINT32_ARRAY(match, gptm_state, 2),
+ VMSTATE_UINT32_ARRAY(prescale, gptm_state, 2),
+ VMSTATE_UINT32_ARRAY(match_prescale, gptm_state, 2),
+ VMSTATE_UINT32(rtc, gptm_state),
+ VMSTATE_INT64_ARRAY(tick, gptm_state, 2),
+ VMSTATE_TIMER_PTR_ARRAY(timer, gptm_state, 2),
+ VMSTATE_END_OF_LIST()
+ }
+};
+
+static int stellaris_gptm_init(SysBusDevice *sbd)
+{
+ DeviceState *dev = DEVICE(sbd);
+ gptm_state *s = STELLARIS_GPTM(dev);
+
+ sysbus_init_irq(sbd, &s->irq);
+ qdev_init_gpio_out(dev, &s->trigger, 1);
+
+ memory_region_init_io(&s->iomem, OBJECT(s), &gptm_ops, s,
+ "gptm", 0x1000);
+ sysbus_init_mmio(sbd, &s->iomem);
+
+ s->opaque[0] = s->opaque[1] = s;
+ s->timer[0] = timer_new_ns(QEMU_CLOCK_VIRTUAL, gptm_tick, &s->opaque[0]);
+ s->timer[1] = timer_new_ns(QEMU_CLOCK_VIRTUAL, gptm_tick, &s->opaque[1]);
+ vmstate_register(dev, -1, &vmstate_stellaris_gptm, s);
+ return 0;
+}
+
+
+/* System controller. */
+
+typedef struct {
+ MemoryRegion iomem;
+ uint32_t pborctl;
+ uint32_t ldopctl;
+ uint32_t int_status;
+ uint32_t int_mask;
+ uint32_t resc;
+ uint32_t rcc;
+ uint32_t rcc2;
+ uint32_t rcgc[3];
+ uint32_t scgc[3];
+ uint32_t dcgc[3];
+ uint32_t clkvclr;
+ uint32_t ldoarst;
+ uint32_t user0;
+ uint32_t user1;
+ qemu_irq irq;
+ stellaris_board_info *board;
+} ssys_state;
+
+static void ssys_update(ssys_state *s)
+{
+ qemu_set_irq(s->irq, (s->int_status & s->int_mask) != 0);
+}
+
+static uint32_t pllcfg_sandstorm[16] = {
+ 0x31c0, /* 1 Mhz */
+ 0x1ae0, /* 1.8432 Mhz */
+ 0x18c0, /* 2 Mhz */
+ 0xd573, /* 2.4576 Mhz */
+ 0x37a6, /* 3.57954 Mhz */
+ 0x1ae2, /* 3.6864 Mhz */
+ 0x0c40, /* 4 Mhz */
+ 0x98bc, /* 4.906 Mhz */
+ 0x935b, /* 4.9152 Mhz */
+ 0x09c0, /* 5 Mhz */
+ 0x4dee, /* 5.12 Mhz */
+ 0x0c41, /* 6 Mhz */
+ 0x75db, /* 6.144 Mhz */
+ 0x1ae6, /* 7.3728 Mhz */
+ 0x0600, /* 8 Mhz */
+ 0x585b /* 8.192 Mhz */
+};
+
+static uint32_t pllcfg_fury[16] = {
+ 0x3200, /* 1 Mhz */
+ 0x1b20, /* 1.8432 Mhz */
+ 0x1900, /* 2 Mhz */
+ 0xf42b, /* 2.4576 Mhz */
+ 0x37e3, /* 3.57954 Mhz */
+ 0x1b21, /* 3.6864 Mhz */
+ 0x0c80, /* 4 Mhz */
+ 0x98ee, /* 4.906 Mhz */
+ 0xd5b4, /* 4.9152 Mhz */
+ 0x0a00, /* 5 Mhz */
+ 0x4e27, /* 5.12 Mhz */
+ 0x1902, /* 6 Mhz */
+ 0xec1c, /* 6.144 Mhz */
+ 0x1b23, /* 7.3728 Mhz */
+ 0x0640, /* 8 Mhz */
+ 0xb11c /* 8.192 Mhz */
+};
+
+#define DID0_VER_MASK 0x70000000
+#define DID0_VER_0 0x00000000
+#define DID0_VER_1 0x10000000
+
+#define DID0_CLASS_MASK 0x00FF0000
+#define DID0_CLASS_SANDSTORM 0x00000000
+#define DID0_CLASS_FURY 0x00010000
+
+static int ssys_board_class(const ssys_state *s)
+{
+ uint32_t did0 = s->board->did0;
+ switch (did0 & DID0_VER_MASK) {
+ case DID0_VER_0:
+ return DID0_CLASS_SANDSTORM;
+ case DID0_VER_1:
+ switch (did0 & DID0_CLASS_MASK) {
+ case DID0_CLASS_SANDSTORM:
+ case DID0_CLASS_FURY:
+ return did0 & DID0_CLASS_MASK;
+ }
+ /* for unknown classes, fall through */
+ default:
+ hw_error("ssys_board_class: Unknown class 0x%08x\n", did0);
+ }
+}
+
+static uint64_t ssys_read(void *opaque, hwaddr offset,
+ unsigned size)
+{
+ ssys_state *s = (ssys_state *)opaque;
+
+ switch (offset) {
+ case 0x000: /* DID0 */
+ return s->board->did0;
+ case 0x004: /* DID1 */
+ return s->board->did1;
+ case 0x008: /* DC0 */
+ return s->board->dc0;
+ case 0x010: /* DC1 */
+ return s->board->dc1;
+ case 0x014: /* DC2 */
+ return s->board->dc2;
+ case 0x018: /* DC3 */
+ return s->board->dc3;
+ case 0x01c: /* DC4 */
+ return s->board->dc4;
+ case 0x030: /* PBORCTL */
+ return s->pborctl;
+ case 0x034: /* LDOPCTL */
+ return s->ldopctl;
+ case 0x040: /* SRCR0 */
+ return 0;
+ case 0x044: /* SRCR1 */
+ return 0;
+ case 0x048: /* SRCR2 */
+ return 0;
+ case 0x050: /* RIS */
+ return s->int_status;
+ case 0x054: /* IMC */
+ return s->int_mask;
+ case 0x058: /* MISC */
+ return s->int_status & s->int_mask;
+ case 0x05c: /* RESC */
+ return s->resc;
+ case 0x060: /* RCC */
+ return s->rcc;
+ case 0x064: /* PLLCFG */
+ {
+ int xtal;
+ xtal = (s->rcc >> 6) & 0xf;
+ switch (ssys_board_class(s)) {
+ case DID0_CLASS_FURY:
+ return pllcfg_fury[xtal];
+ case DID0_CLASS_SANDSTORM:
+ return pllcfg_sandstorm[xtal];
+ default:
+ hw_error("ssys_read: Unhandled class for PLLCFG read.\n");
+ return 0;
+ }
+ }
+ case 0x070: /* RCC2 */
+ return s->rcc2;
+ case 0x100: /* RCGC0 */
+ return s->rcgc[0];
+ case 0x104: /* RCGC1 */
+ return s->rcgc[1];
+ case 0x108: /* RCGC2 */
+ return s->rcgc[2];
+ case 0x110: /* SCGC0 */
+ return s->scgc[0];
+ case 0x114: /* SCGC1 */
+ return s->scgc[1];
+ case 0x118: /* SCGC2 */
+ return s->scgc[2];
+ case 0x120: /* DCGC0 */
+ return s->dcgc[0];
+ case 0x124: /* DCGC1 */
+ return s->dcgc[1];
+ case 0x128: /* DCGC2 */
+ return s->dcgc[2];
+ case 0x150: /* CLKVCLR */
+ return s->clkvclr;
+ case 0x160: /* LDOARST */
+ return s->ldoarst;
+ case 0x1e0: /* USER0 */
+ return s->user0;
+ case 0x1e4: /* USER1 */
+ return s->user1;
+ default:
+ hw_error("ssys_read: Bad offset 0x%x\n", (int)offset);
+ return 0;
+ }
+}
+
+static bool ssys_use_rcc2(ssys_state *s)
+{
+ return (s->rcc2 >> 31) & 0x1;
+}
+
+/*
+ * Caculate the sys. clock period in ms.
+ */
+static void ssys_calculate_system_clock(ssys_state *s)
+{
+ if (ssys_use_rcc2(s)) {
+ system_clock_scale = 5 * (((s->rcc2 >> 23) & 0x3f) + 1);
+ } else {
+ system_clock_scale = 5 * (((s->rcc >> 23) & 0xf) + 1);
+ }
+}
+
+static void ssys_write(void *opaque, hwaddr offset,
+ uint64_t value, unsigned size)
+{
+ ssys_state *s = (ssys_state *)opaque;
+
+ switch (offset) {
+ case 0x030: /* PBORCTL */
+ s->pborctl = value & 0xffff;
+ break;
+ case 0x034: /* LDOPCTL */
+ s->ldopctl = value & 0x1f;
+ break;
+ case 0x040: /* SRCR0 */
+ case 0x044: /* SRCR1 */
+ case 0x048: /* SRCR2 */
+ fprintf(stderr, "Peripheral reset not implemented\n");
+ break;
+ case 0x054: /* IMC */
+ s->int_mask = value & 0x7f;
+ break;
+ case 0x058: /* MISC */
+ s->int_status &= ~value;
+ break;
+ case 0x05c: /* RESC */
+ s->resc = value & 0x3f;
+ break;
+ case 0x060: /* RCC */
+ if ((s->rcc & (1 << 13)) != 0 && (value & (1 << 13)) == 0) {
+ /* PLL enable. */
+ s->int_status |= (1 << 6);
+ }
+ s->rcc = value;
+ ssys_calculate_system_clock(s);
+ break;
+ case 0x070: /* RCC2 */
+ if (ssys_board_class(s) == DID0_CLASS_SANDSTORM) {
+ break;
+ }
+
+ if ((s->rcc2 & (1 << 13)) != 0 && (value & (1 << 13)) == 0) {
+ /* PLL enable. */
+ s->int_status |= (1 << 6);
+ }
+ s->rcc2 = value;
+ ssys_calculate_system_clock(s);
+ break;
+ case 0x100: /* RCGC0 */
+ s->rcgc[0] = value;
+ break;
+ case 0x104: /* RCGC1 */
+ s->rcgc[1] = value;
+ break;
+ case 0x108: /* RCGC2 */
+ s->rcgc[2] = value;
+ break;
+ case 0x110: /* SCGC0 */
+ s->scgc[0] = value;
+ break;
+ case 0x114: /* SCGC1 */
+ s->scgc[1] = value;
+ break;
+ case 0x118: /* SCGC2 */
+ s->scgc[2] = value;
+ break;
+ case 0x120: /* DCGC0 */
+ s->dcgc[0] = value;
+ break;
+ case 0x124: /* DCGC1 */
+ s->dcgc[1] = value;
+ break;
+ case 0x128: /* DCGC2 */
+ s->dcgc[2] = value;
+ break;
+ case 0x150: /* CLKVCLR */
+ s->clkvclr = value;
+ break;
+ case 0x160: /* LDOARST */
+ s->ldoarst = value;
+ break;
+ default:
+ hw_error("ssys_write: Bad offset 0x%x\n", (int)offset);
+ }
+ ssys_update(s);
+}
+
+static const MemoryRegionOps ssys_ops = {
+ .read = ssys_read,
+ .write = ssys_write,
+ .endianness = DEVICE_NATIVE_ENDIAN,
+};
+
+static void ssys_reset(void *opaque)
+{
+ ssys_state *s = (ssys_state *)opaque;
+
+ s->pborctl = 0x7ffd;
+ s->rcc = 0x078e3ac0;
+
+ if (ssys_board_class(s) == DID0_CLASS_SANDSTORM) {
+ s->rcc2 = 0;
+ } else {
+ s->rcc2 = 0x07802810;
+ }
+ s->rcgc[0] = 1;
+ s->scgc[0] = 1;
+ s->dcgc[0] = 1;
+ ssys_calculate_system_clock(s);
+}
+
+static int stellaris_sys_post_load(void *opaque, int version_id)
+{
+ ssys_state *s = opaque;
+
+ ssys_calculate_system_clock(s);
+
+ return 0;
+}
+
+static const VMStateDescription vmstate_stellaris_sys = {
+ .name = "stellaris_sys",
+ .version_id = 2,
+ .minimum_version_id = 1,
+ .post_load = stellaris_sys_post_load,
+ .fields = (VMStateField[]) {
+ VMSTATE_UINT32(pborctl, ssys_state),
+ VMSTATE_UINT32(ldopctl, ssys_state),
+ VMSTATE_UINT32(int_mask, ssys_state),
+ VMSTATE_UINT32(int_status, ssys_state),
+ VMSTATE_UINT32(resc, ssys_state),
+ VMSTATE_UINT32(rcc, ssys_state),
+ VMSTATE_UINT32_V(rcc2, ssys_state, 2),
+ VMSTATE_UINT32_ARRAY(rcgc, ssys_state, 3),
+ VMSTATE_UINT32_ARRAY(scgc, ssys_state, 3),
+ VMSTATE_UINT32_ARRAY(dcgc, ssys_state, 3),
+ VMSTATE_UINT32(clkvclr, ssys_state),
+ VMSTATE_UINT32(ldoarst, ssys_state),
+ VMSTATE_END_OF_LIST()
+ }
+};
+
+static int stellaris_sys_init(uint32_t base, qemu_irq irq,
+ stellaris_board_info * board,
+ uint8_t *macaddr)
+{
+ ssys_state *s;
+
+ s = g_new0(ssys_state, 1);
+ s->irq = irq;
+ s->board = board;
+ /* Most devices come preprogrammed with a MAC address in the user data. */
+ s->user0 = macaddr[0] | (macaddr[1] << 8) | (macaddr[2] << 16);
+ s->user1 = macaddr[3] | (macaddr[4] << 8) | (macaddr[5] << 16);
+
+ memory_region_init_io(&s->iomem, NULL, &ssys_ops, s, "ssys", 0x00001000);
+ memory_region_add_subregion(get_system_memory(), base, &s->iomem);
+ ssys_reset(s);
+ vmstate_register(NULL, -1, &vmstate_stellaris_sys, s);
+ return 0;
+}
+
+
+/* I2C controller. */
+
+#define TYPE_STELLARIS_I2C "stellaris-i2c"
+#define STELLARIS_I2C(obj) \
+ OBJECT_CHECK(stellaris_i2c_state, (obj), TYPE_STELLARIS_I2C)
+
+typedef struct {
+ SysBusDevice parent_obj;
+
+ I2CBus *bus;
+ qemu_irq irq;
+ MemoryRegion iomem;
+ uint32_t msa;
+ uint32_t mcs;
+ uint32_t mdr;
+ uint32_t mtpr;
+ uint32_t mimr;
+ uint32_t mris;
+ uint32_t mcr;
+} stellaris_i2c_state;
+
+#define STELLARIS_I2C_MCS_BUSY 0x01
+#define STELLARIS_I2C_MCS_ERROR 0x02
+#define STELLARIS_I2C_MCS_ADRACK 0x04
+#define STELLARIS_I2C_MCS_DATACK 0x08
+#define STELLARIS_I2C_MCS_ARBLST 0x10
+#define STELLARIS_I2C_MCS_IDLE 0x20
+#define STELLARIS_I2C_MCS_BUSBSY 0x40
+
+static uint64_t stellaris_i2c_read(void *opaque, hwaddr offset,
+ unsigned size)
+{
+ stellaris_i2c_state *s = (stellaris_i2c_state *)opaque;
+
+ switch (offset) {
+ case 0x00: /* MSA */
+ return s->msa;
+ case 0x04: /* MCS */
+ /* We don't emulate timing, so the controller is never busy. */
+ return s->mcs | STELLARIS_I2C_MCS_IDLE;
+ case 0x08: /* MDR */
+ return s->mdr;
+ case 0x0c: /* MTPR */
+ return s->mtpr;
+ case 0x10: /* MIMR */
+ return s->mimr;
+ case 0x14: /* MRIS */
+ return s->mris;
+ case 0x18: /* MMIS */
+ return s->mris & s->mimr;
+ case 0x20: /* MCR */
+ return s->mcr;
+ default:
+ hw_error("strllaris_i2c_read: Bad offset 0x%x\n", (int)offset);
+ return 0;
+ }
+}
+
+static void stellaris_i2c_update(stellaris_i2c_state *s)
+{
+ int level;
+
+ level = (s->mris & s->mimr) != 0;
+ qemu_set_irq(s->irq, level);
+}
+
+static void stellaris_i2c_write(void *opaque, hwaddr offset,
+ uint64_t value, unsigned size)
+{
+ stellaris_i2c_state *s = (stellaris_i2c_state *)opaque;
+
+ switch (offset) {
+ case 0x00: /* MSA */
+ s->msa = value & 0xff;
+ break;
+ case 0x04: /* MCS */
+ if ((s->mcr & 0x10) == 0) {
+ /* Disabled. Do nothing. */
+ break;
+ }
+ /* Grab the bus if this is starting a transfer. */
+ if ((value & 2) && (s->mcs & STELLARIS_I2C_MCS_BUSBSY) == 0) {
+ if (i2c_start_transfer(s->bus, s->msa >> 1, s->msa & 1)) {
+ s->mcs |= STELLARIS_I2C_MCS_ARBLST;
+ } else {
+ s->mcs &= ~STELLARIS_I2C_MCS_ARBLST;
+ s->mcs |= STELLARIS_I2C_MCS_BUSBSY;
+ }
+ }
+ /* If we don't have the bus then indicate an error. */
+ if (!i2c_bus_busy(s->bus)
+ || (s->mcs & STELLARIS_I2C_MCS_BUSBSY) == 0) {
+ s->mcs |= STELLARIS_I2C_MCS_ERROR;
+ break;
+ }
+ s->mcs &= ~STELLARIS_I2C_MCS_ERROR;
+ if (value & 1) {
+ /* Transfer a byte. */
+ /* TODO: Handle errors. */
+ if (s->msa & 1) {
+ /* Recv */
+ s->mdr = i2c_recv(s->bus) & 0xff;
+ } else {
+ /* Send */
+ i2c_send(s->bus, s->mdr);
+ }
+ /* Raise an interrupt. */
+ s->mris |= 1;
+ }
+ if (value & 4) {
+ /* Finish transfer. */
+ i2c_end_transfer(s->bus);
+ s->mcs &= ~STELLARIS_I2C_MCS_BUSBSY;
+ }
+ break;
+ case 0x08: /* MDR */
+ s->mdr = value & 0xff;
+ break;
+ case 0x0c: /* MTPR */
+ s->mtpr = value & 0xff;
+ break;
+ case 0x10: /* MIMR */
+ s->mimr = 1;
+ break;
+ case 0x1c: /* MICR */
+ s->mris &= ~value;
+ break;
+ case 0x20: /* MCR */
+ if (value & 1)
+ hw_error(
+ "stellaris_i2c_write: Loopback not implemented\n");
+ if (value & 0x20)
+ hw_error(
+ "stellaris_i2c_write: Slave mode not implemented\n");
+ s->mcr = value & 0x31;
+ break;
+ default:
+ hw_error("stellaris_i2c_write: Bad offset 0x%x\n",
+ (int)offset);
+ }
+ stellaris_i2c_update(s);
+}
+
+static void stellaris_i2c_reset(stellaris_i2c_state *s)
+{
+ if (s->mcs & STELLARIS_I2C_MCS_BUSBSY)
+ i2c_end_transfer(s->bus);
+
+ s->msa = 0;
+ s->mcs = 0;
+ s->mdr = 0;
+ s->mtpr = 1;
+ s->mimr = 0;
+ s->mris = 0;
+ s->mcr = 0;
+ stellaris_i2c_update(s);
+}
+
+static const MemoryRegionOps stellaris_i2c_ops = {
+ .read = stellaris_i2c_read,
+ .write = stellaris_i2c_write,
+ .endianness = DEVICE_NATIVE_ENDIAN,
+};
+
+static const VMStateDescription vmstate_stellaris_i2c = {
+ .name = "stellaris_i2c",
+ .version_id = 1,
+ .minimum_version_id = 1,
+ .fields = (VMStateField[]) {
+ VMSTATE_UINT32(msa, stellaris_i2c_state),
+ VMSTATE_UINT32(mcs, stellaris_i2c_state),
+ VMSTATE_UINT32(mdr, stellaris_i2c_state),
+ VMSTATE_UINT32(mtpr, stellaris_i2c_state),
+ VMSTATE_UINT32(mimr, stellaris_i2c_state),
+ VMSTATE_UINT32(mris, stellaris_i2c_state),
+ VMSTATE_UINT32(mcr, stellaris_i2c_state),
+ VMSTATE_END_OF_LIST()
+ }
+};
+
+static int stellaris_i2c_init(SysBusDevice *sbd)
+{
+ DeviceState *dev = DEVICE(sbd);
+ stellaris_i2c_state *s = STELLARIS_I2C(dev);
+ I2CBus *bus;
+
+ sysbus_init_irq(sbd, &s->irq);
+ bus = i2c_init_bus(dev, "i2c");
+ s->bus = bus;
+
+ memory_region_init_io(&s->iomem, OBJECT(s), &stellaris_i2c_ops, s,
+ "i2c", 0x1000);
+ sysbus_init_mmio(sbd, &s->iomem);
+ /* ??? For now we only implement the master interface. */
+ stellaris_i2c_reset(s);
+ vmstate_register(dev, -1, &vmstate_stellaris_i2c, s);
+ return 0;
+}
+
+/* Analogue to Digital Converter. This is only partially implemented,
+ enough for applications that use a combined ADC and timer tick. */
+
+#define STELLARIS_ADC_EM_CONTROLLER 0
+#define STELLARIS_ADC_EM_COMP 1
+#define STELLARIS_ADC_EM_EXTERNAL 4
+#define STELLARIS_ADC_EM_TIMER 5
+#define STELLARIS_ADC_EM_PWM0 6
+#define STELLARIS_ADC_EM_PWM1 7
+#define STELLARIS_ADC_EM_PWM2 8
+
+#define STELLARIS_ADC_FIFO_EMPTY 0x0100
+#define STELLARIS_ADC_FIFO_FULL 0x1000
+
+#define TYPE_STELLARIS_ADC "stellaris-adc"
+#define STELLARIS_ADC(obj) \
+ OBJECT_CHECK(stellaris_adc_state, (obj), TYPE_STELLARIS_ADC)
+
+typedef struct StellarisADCState {
+ SysBusDevice parent_obj;
+
+ MemoryRegion iomem;
+ uint32_t actss;
+ uint32_t ris;
+ uint32_t im;
+ uint32_t emux;
+ uint32_t ostat;
+ uint32_t ustat;
+ uint32_t sspri;
+ uint32_t sac;
+ struct {
+ uint32_t state;
+ uint32_t data[16];
+ } fifo[4];
+ uint32_t ssmux[4];
+ uint32_t ssctl[4];
+ uint32_t noise;
+ qemu_irq irq[4];
+} stellaris_adc_state;
+
+static uint32_t stellaris_adc_fifo_read(stellaris_adc_state *s, int n)
+{
+ int tail;
+
+ tail = s->fifo[n].state & 0xf;
+ if (s->fifo[n].state & STELLARIS_ADC_FIFO_EMPTY) {
+ s->ustat |= 1 << n;
+ } else {
+ s->fifo[n].state = (s->fifo[n].state & ~0xf) | ((tail + 1) & 0xf);
+ s->fifo[n].state &= ~STELLARIS_ADC_FIFO_FULL;
+ if (tail + 1 == ((s->fifo[n].state >> 4) & 0xf))
+ s->fifo[n].state |= STELLARIS_ADC_FIFO_EMPTY;
+ }
+ return s->fifo[n].data[tail];
+}
+
+static void stellaris_adc_fifo_write(stellaris_adc_state *s, int n,
+ uint32_t value)
+{
+ 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;
+ return;
+ }
+ s->fifo[n].data[head] = value;
+ head = (head + 1) & 0xf;
+ s->fifo[n].state &= ~STELLARIS_ADC_FIFO_EMPTY;
+ s->fifo[n].state = (s->fifo[n].state & ~0xf0) | (head << 4);
+ if ((s->fifo[n].state & 0xf) == head)
+ s->fifo[n].state |= STELLARIS_ADC_FIFO_FULL;
+}
+
+static void stellaris_adc_update(stellaris_adc_state *s)
+{
+ int level;
+ int n;
+
+ 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;
+
+ for (n = 0; n < 4; n++) {
+ if ((s->actss & (1 << n)) == 0) {
+ continue;
+ }
+
+ 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)
+{
+ int n;
+
+ for (n = 0; n < 4; n++) {
+ s->ssmux[n] = 0;
+ s->ssctl[n] = 0;
+ s->fifo[n].state = STELLARIS_ADC_FIFO_EMPTY;
+ }
+}
+
+static uint64_t stellaris_adc_read(void *opaque, hwaddr offset,
+ unsigned size)
+{
+ stellaris_adc_state *s = (stellaris_adc_state *)opaque;
+
+ /* TODO: Implement this. */
+ if (offset >= 0x40 && offset < 0xc0) {
+ int n;
+ n = (offset - 0x40) >> 5;
+ switch (offset & 0x1f) {
+ case 0x00: /* SSMUX */
+ return s->ssmux[n];
+ case 0x04: /* SSCTL */
+ return s->ssctl[n];
+ case 0x08: /* SSFIFO */
+ return stellaris_adc_fifo_read(s, n);
+ case 0x0c: /* SSFSTAT */
+ return s->fifo[n].state;
+ default:
+ break;
+ }
+ }
+ switch (offset) {
+ case 0x00: /* ACTSS */
+ return s->actss;
+ case 0x04: /* RIS */
+ return s->ris;
+ case 0x08: /* IM */
+ return s->im;
+ case 0x0c: /* ISC */
+ return s->ris & s->im;
+ case 0x10: /* OSTAT */
+ return s->ostat;
+ case 0x14: /* EMUX */
+ return s->emux;
+ case 0x18: /* USTAT */
+ return s->ustat;
+ case 0x20: /* SSPRI */
+ return s->sspri;
+ case 0x30: /* SAC */
+ return s->sac;
+ default:
+ hw_error("strllaris_adc_read: Bad offset 0x%x\n",
+ (int)offset);
+ return 0;
+ }
+}
+
+static void stellaris_adc_write(void *opaque, hwaddr offset,
+ uint64_t value, unsigned size)
+{
+ stellaris_adc_state *s = (stellaris_adc_state *)opaque;
+
+ /* TODO: Implement this. */
+ if (offset >= 0x40 && offset < 0xc0) {
+ int n;
+ n = (offset - 0x40) >> 5;
+ switch (offset & 0x1f) {
+ case 0x00: /* SSMUX */
+ s->ssmux[n] = value & 0x33333333;
+ return;
+ case 0x04: /* SSCTL */
+ if (value != 6) {
+ hw_error("ADC: Unimplemented sequence %" PRIx64 "\n",
+ value);
+ }
+ s->ssctl[n] = value;
+ return;
+ default:
+ break;
+ }
+ }
+ switch (offset) {
+ case 0x00: /* ACTSS */
+ s->actss = value & 0xf;
+ break;
+ case 0x08: /* IM */
+ s->im = value;
+ break;
+ case 0x0c: /* ISC */
+ s->ris &= ~value;
+ break;
+ case 0x10: /* OSTAT */
+ s->ostat &= ~value;
+ break;
+ case 0x14: /* EMUX */
+ s->emux = value;
+ break;
+ case 0x18: /* USTAT */
+ s->ustat &= ~value;
+ break;
+ case 0x20: /* SSPRI */
+ s->sspri = value;
+ break;
+ case 0x28: /* PSSI */
+ hw_error("Not implemented: ADC sample initiate\n");
+ break;
+ case 0x30: /* SAC */
+ s->sac = value;
+ break;
+ default:
+ hw_error("stellaris_adc_write: Bad offset 0x%x\n", (int)offset);
+ }
+ stellaris_adc_update(s);
+}
+
+static const MemoryRegionOps stellaris_adc_ops = {
+ .read = stellaris_adc_read,
+ .write = stellaris_adc_write,
+ .endianness = DEVICE_NATIVE_ENDIAN,
+};
+
+static const VMStateDescription vmstate_stellaris_adc = {
+ .name = "stellaris_adc",
+ .version_id = 1,
+ .minimum_version_id = 1,
+ .fields = (VMStateField[]) {
+ VMSTATE_UINT32(actss, stellaris_adc_state),
+ VMSTATE_UINT32(ris, stellaris_adc_state),
+ VMSTATE_UINT32(im, stellaris_adc_state),
+ VMSTATE_UINT32(emux, stellaris_adc_state),
+ VMSTATE_UINT32(ostat, stellaris_adc_state),
+ VMSTATE_UINT32(ustat, stellaris_adc_state),
+ VMSTATE_UINT32(sspri, stellaris_adc_state),
+ VMSTATE_UINT32(sac, stellaris_adc_state),
+ VMSTATE_UINT32(fifo[0].state, stellaris_adc_state),
+ VMSTATE_UINT32_ARRAY(fifo[0].data, stellaris_adc_state, 16),
+ VMSTATE_UINT32(ssmux[0], stellaris_adc_state),
+ VMSTATE_UINT32(ssctl[0], stellaris_adc_state),
+ VMSTATE_UINT32(fifo[1].state, stellaris_adc_state),
+ VMSTATE_UINT32_ARRAY(fifo[1].data, stellaris_adc_state, 16),
+ VMSTATE_UINT32(ssmux[1], stellaris_adc_state),
+ VMSTATE_UINT32(ssctl[1], stellaris_adc_state),
+ VMSTATE_UINT32(fifo[2].state, stellaris_adc_state),
+ VMSTATE_UINT32_ARRAY(fifo[2].data, stellaris_adc_state, 16),
+ VMSTATE_UINT32(ssmux[2], stellaris_adc_state),
+ VMSTATE_UINT32(ssctl[2], stellaris_adc_state),
+ VMSTATE_UINT32(fifo[3].state, stellaris_adc_state),
+ VMSTATE_UINT32_ARRAY(fifo[3].data, stellaris_adc_state, 16),
+ VMSTATE_UINT32(ssmux[3], stellaris_adc_state),
+ VMSTATE_UINT32(ssctl[3], stellaris_adc_state),
+ VMSTATE_UINT32(noise, stellaris_adc_state),
+ VMSTATE_END_OF_LIST()
+ }
+};
+
+static int stellaris_adc_init(SysBusDevice *sbd)
+{
+ DeviceState *dev = DEVICE(sbd);
+ stellaris_adc_state *s = STELLARIS_ADC(dev);
+ int n;
+
+ for (n = 0; n < 4; n++) {
+ sysbus_init_irq(sbd, &s->irq[n]);
+ }
+
+ memory_region_init_io(&s->iomem, OBJECT(s), &stellaris_adc_ops, s,
+ "adc", 0x1000);
+ sysbus_init_mmio(sbd, &s->iomem);
+ stellaris_adc_reset(s);
+ qdev_init_gpio_in(dev, stellaris_adc_trigger, 1);
+ vmstate_register(dev, -1, &vmstate_stellaris_adc, s);
+ return 0;
+}
+
+static
+void do_sys_reset(void *opaque, int n, int level)
+{
+ if (level) {
+ qemu_system_reset_request();
+ }
+}
+
+/* Board init. */
+static stellaris_board_info stellaris_boards[] = {
+ { "LM3S811EVB",
+ 0,
+ 0x0032000e,
+ 0x001f001f, /* dc0 */
+ 0x001132bf,
+ 0x01071013,
+ 0x3f0f01ff,
+ 0x0000001f,
+ BP_OLED_I2C
+ },
+ { "LM3S6965EVB",
+ 0x10010002,
+ 0x1073402e,
+ 0x00ff007f, /* dc0 */
+ 0x001133ff,
+ 0x030f5317,
+ 0x0f0f87ff,
+ 0x5000007f,
+ BP_OLED_SSI | BP_GAMEPAD
+ }
+};
+
+static void stellaris_init(const char *kernel_filename, const char *cpu_model,
+ stellaris_board_info *board)
+{
+ static const int uart_irq[] = {5, 6, 33, 34};
+ static const int timer_irq[] = {19, 21, 23, 35};
+ static const uint32_t gpio_addr[7] =
+ { 0x40004000, 0x40005000, 0x40006000, 0x40007000,
+ 0x40024000, 0x40025000, 0x40026000};
+ static const int gpio_irq[7] = {0, 1, 2, 3, 4, 30, 31};
+
+ DeviceState *gpio_dev[7], *nvic;
+ qemu_irq gpio_in[7][8];
+ qemu_irq gpio_out[7][8];
+ qemu_irq adc;
+ int sram_size;
+ int flash_size;
+ I2CBus *i2c;
+ DeviceState *dev;
+ int i;
+ int j;
+
+ MemoryRegion *sram = g_new(MemoryRegion, 1);
+ MemoryRegion *flash = g_new(MemoryRegion, 1);
+ MemoryRegion *system_memory = get_system_memory();
+
+ flash_size = (((board->dc0 & 0xffff) + 1) << 1) * 1024;
+ sram_size = ((board->dc0 >> 18) + 1) * 1024;
+
+ /* Flash programming is done via the SCU, so pretend it is ROM. */
+ memory_region_init_ram(flash, NULL, "stellaris.flash", flash_size,
+ &error_fatal);
+ vmstate_register_ram_global(flash);
+ memory_region_set_readonly(flash, true);
+ memory_region_add_subregion(system_memory, 0, flash);
+
+ memory_region_init_ram(sram, NULL, "stellaris.sram", sram_size,
+ &error_fatal);
+ vmstate_register_ram_global(sram);
+ memory_region_add_subregion(system_memory, 0x20000000, sram);
+
+ nvic = armv7m_init(system_memory, flash_size, NUM_IRQ_LINES,
+ kernel_filename, cpu_model);
+
+ qdev_connect_gpio_out_named(nvic, "SYSRESETREQ", 0,
+ qemu_allocate_irq(&do_sys_reset, NULL, 0));
+
+ if (board->dc1 & (1 << 16)) {
+ dev = sysbus_create_varargs(TYPE_STELLARIS_ADC, 0x40038000,
+ qdev_get_gpio_in(nvic, 14),
+ qdev_get_gpio_in(nvic, 15),
+ qdev_get_gpio_in(nvic, 16),
+ qdev_get_gpio_in(nvic, 17),
+ NULL);
+ adc = qdev_get_gpio_in(dev, 0);
+ } else {
+ adc = NULL;
+ }
+ for (i = 0; i < 4; i++) {
+ if (board->dc2 & (0x10000 << i)) {
+ dev = sysbus_create_simple(TYPE_STELLARIS_GPTM,
+ 0x40030000 + i * 0x1000,
+ qdev_get_gpio_in(nvic, 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);
+ }
+ }
+
+ stellaris_sys_init(0x400fe000, qdev_get_gpio_in(nvic, 28),
+ board, nd_table[0].macaddr.a);
+
+ for (i = 0; i < 7; i++) {
+ if (board->dc4 & (1 << i)) {
+ gpio_dev[i] = sysbus_create_simple("pl061_luminary", gpio_addr[i],
+ qdev_get_gpio_in(nvic,
+ 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)) {
+ dev = sysbus_create_simple(TYPE_STELLARIS_I2C, 0x40020000,
+ qdev_get_gpio_in(nvic, 8));
+ i2c = (I2CBus *)qdev_get_child_bus(dev, "i2c");
+ if (board->peripherals & BP_OLED_I2C) {
+ i2c_create_slave(i2c, "ssd0303", 0x3d);
+ }
+ }
+
+ for (i = 0; i < 4; i++) {
+ if (board->dc2 & (1 << i)) {
+ sysbus_create_simple("pl011_luminary", 0x4000c000 + i * 0x1000,
+ qdev_get_gpio_in(nvic, uart_irq[i]));
+ }
+ }
+ if (board->dc2 & (1 << 4)) {
+ dev = sysbus_create_simple("pl022", 0x40008000,
+ qdev_get_gpio_in(nvic, 7));
+ if (board->peripherals & BP_OLED_SSI) {
+ void *bus;
+ DeviceState *sddev;
+ DeviceState *ssddev;
+
+ /* Some boards have both an OLED controller and SD card connected to
+ * the same SSI port, with the SD card chip select connected to a
+ * GPIO pin. Technically the OLED chip select is connected to the
+ * SSI Fss pin. We do not bother emulating that as both devices
+ * should never be selected simultaneously, and our OLED controller
+ * ignores stray 0xff commands that occur when deselecting the SD
+ * card.
+ */
+ bus = qdev_get_child_bus(dev, "ssi");
+
+ sddev = ssi_create_slave(bus, "ssi-sd");
+ ssddev = ssi_create_slave(bus, "ssd0323");
+ gpio_out[GPIO_D][0] = qemu_irq_split(
+ qdev_get_gpio_in_named(sddev, SSI_GPIO_CS, 0),
+ qdev_get_gpio_in_named(ssddev, SSI_GPIO_CS, 0));
+ gpio_out[GPIO_C][7] = qdev_get_gpio_in(ssddev, 0);
+
+ /* Make sure the select pin is high. */
+ qemu_irq_raise(gpio_out[GPIO_D][0]);
+ }
+ }
+ if (board->dc4 & (1 << 28)) {
+ DeviceState *enet;
+
+ qemu_check_nic_model(&nd_table[0], "stellaris");
+
+ enet = qdev_create(NULL, "stellaris_enet");
+ qdev_set_nic_properties(enet, &nd_table[0]);
+ qdev_init_nofail(enet);
+ sysbus_mmio_map(SYS_BUS_DEVICE(enet), 0, 0x40048000);
+ sysbus_connect_irq(SYS_BUS_DEVICE(enet), 0, qdev_get_gpio_in(nvic, 42));
+ }
+ if (board->peripherals & BP_GAMEPAD) {
+ qemu_irq gpad_irq[5];
+ static const int gpad_keycode[5] = { 0xc8, 0xd0, 0xcb, 0xcd, 0x1d };
+
+ gpad_irq[0] = qemu_irq_invert(gpio_in[GPIO_E][0]); /* up */
+ gpad_irq[1] = qemu_irq_invert(gpio_in[GPIO_E][1]); /* down */
+ gpad_irq[2] = qemu_irq_invert(gpio_in[GPIO_E][2]); /* left */
+ gpad_irq[3] = qemu_irq_invert(gpio_in[GPIO_E][3]); /* right */
+ gpad_irq[4] = qemu_irq_invert(gpio_in[GPIO_F][1]); /* select */
+
+ 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(MachineState *machine)
+{
+ const char *cpu_model = machine->cpu_model;
+ const char *kernel_filename = machine->kernel_filename;
+ stellaris_init(kernel_filename, cpu_model, &stellaris_boards[0]);
+}
+
+static void lm3s6965evb_init(MachineState *machine)
+{
+ const char *cpu_model = machine->cpu_model;
+ const char *kernel_filename = machine->kernel_filename;
+ stellaris_init(kernel_filename, cpu_model, &stellaris_boards[1]);
+}
+
+static void lm3s811evb_class_init(ObjectClass *oc, void *data)
+{
+ MachineClass *mc = MACHINE_CLASS(oc);
+
+ mc->desc = "Stellaris LM3S811EVB";
+ mc->init = lm3s811evb_init;
+}
+
+static const TypeInfo lm3s811evb_type = {
+ .name = MACHINE_TYPE_NAME("lm3s811evb"),
+ .parent = TYPE_MACHINE,
+ .class_init = lm3s811evb_class_init,
+};
+
+static void lm3s6965evb_class_init(ObjectClass *oc, void *data)
+{
+ MachineClass *mc = MACHINE_CLASS(oc);
+
+ mc->desc = "Stellaris LM3S6965EVB";
+ mc->init = lm3s6965evb_init;
+}
+
+static const TypeInfo lm3s6965evb_type = {
+ .name = MACHINE_TYPE_NAME("lm3s6965evb"),
+ .parent = TYPE_MACHINE,
+ .class_init = lm3s6965evb_class_init,
+};
+
+static void stellaris_machine_init(void)
+{
+ type_register_static(&lm3s811evb_type);
+ type_register_static(&lm3s6965evb_type);
+}
+
+machine_init(stellaris_machine_init)
+
+static void stellaris_i2c_class_init(ObjectClass *klass, void *data)
+{
+ SysBusDeviceClass *sdc = SYS_BUS_DEVICE_CLASS(klass);
+
+ sdc->init = stellaris_i2c_init;
+}
+
+static const TypeInfo stellaris_i2c_info = {
+ .name = TYPE_STELLARIS_I2C,
+ .parent = TYPE_SYS_BUS_DEVICE,
+ .instance_size = sizeof(stellaris_i2c_state),
+ .class_init = stellaris_i2c_class_init,
+};
+
+static void stellaris_gptm_class_init(ObjectClass *klass, void *data)
+{
+ SysBusDeviceClass *sdc = SYS_BUS_DEVICE_CLASS(klass);
+
+ sdc->init = stellaris_gptm_init;
+}
+
+static const TypeInfo stellaris_gptm_info = {
+ .name = TYPE_STELLARIS_GPTM,
+ .parent = TYPE_SYS_BUS_DEVICE,
+ .instance_size = sizeof(gptm_state),
+ .class_init = stellaris_gptm_class_init,
+};
+
+static void stellaris_adc_class_init(ObjectClass *klass, void *data)
+{
+ SysBusDeviceClass *sdc = SYS_BUS_DEVICE_CLASS(klass);
+
+ sdc->init = stellaris_adc_init;
+}
+
+static const TypeInfo stellaris_adc_info = {
+ .name = TYPE_STELLARIS_ADC,
+ .parent = TYPE_SYS_BUS_DEVICE,
+ .instance_size = sizeof(stellaris_adc_state),
+ .class_init = stellaris_adc_class_init,
+};
+
+static void stellaris_register_types(void)
+{
+ type_register_static(&stellaris_i2c_info);
+ type_register_static(&stellaris_gptm_info);
+ type_register_static(&stellaris_adc_info);
+}
+
+type_init(stellaris_register_types)
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