#include "arm_pic.h"
/* Should signal the TCMI */
-static uint32_t omap_badwidth_read16(void *opaque, target_phys_addr_t addr)
+uint32_t omap_badwidth_read8(void *opaque, target_phys_addr_t addr)
{
+ uint8_t ret;
+
+ OMAP_8B_REG(addr);
+ cpu_physical_memory_read(addr, (void *) &ret, 1);
+ return ret;
+}
+
+void omap_badwidth_write8(void *opaque, target_phys_addr_t addr,
+ uint32_t value)
+{
+ uint8_t val8 = value;
+
+ OMAP_8B_REG(addr);
+ cpu_physical_memory_write(addr, (void *) &val8, 1);
+}
+
+uint32_t omap_badwidth_read16(void *opaque, target_phys_addr_t addr)
+{
+ uint16_t ret;
+
OMAP_16B_REG(addr);
- return 0;
+ cpu_physical_memory_read(addr, (void *) &ret, 2);
+ return ret;
}
-static void omap_badwidth_write16(void *opaque, target_phys_addr_t addr,
+void omap_badwidth_write16(void *opaque, target_phys_addr_t addr,
uint32_t value)
{
+ uint16_t val16 = value;
+
OMAP_16B_REG(addr);
+ cpu_physical_memory_write(addr, (void *) &val16, 2);
}
-static uint32_t omap_badwidth_read32(void *opaque, target_phys_addr_t addr)
+uint32_t omap_badwidth_read32(void *opaque, target_phys_addr_t addr)
{
+ uint32_t ret;
+
OMAP_32B_REG(addr);
- return 0;
+ cpu_physical_memory_read(addr, (void *) &ret, 4);
+ return ret;
}
-static void omap_badwidth_write32(void *opaque, target_phys_addr_t addr,
+void omap_badwidth_write32(void *opaque, target_phys_addr_t addr,
uint32_t value)
{
OMAP_32B_REG(addr);
+ cpu_physical_memory_write(addr, (void *) &value, 4);
}
-#define likely
-#define unlikely
-
/* Interrupt Handlers */
struct omap_intr_handler_s {
qemu_irq *pins;
switch (offset) {
case 0x00: /* ITR */
- s->irqs &= value;
+ s->irqs &= value | 1;
omap_inth_sir_update(s);
omap_inth_update(s);
return;
case 0x0a: /* SYS_DMA_CSSA_U_CH0 */
s->ch[ch].addr[0] &= 0x0000ffff;
- s->ch[ch].addr[0] |= value << 16;
+ s->ch[ch].addr[0] |= (uint32_t) value << 16;
break;
case 0x0c: /* SYS_DMA_CDSA_L_CH0 */
case 0x0e: /* SYS_DMA_CDSA_U_CH0 */
s->ch[ch].addr[1] &= 0x0000ffff;
- s->ch[ch].addr[1] |= value << 16;
+ s->ch[ch].addr[1] |= (uint32_t) value << 16;
break;
case 0x10: /* SYS_DMA_CEN_CH0 */
struct omap_dma_s *s = (struct omap_dma_s *) opaque;
if (on) {
- s->delay = ticks_per_sec >> 5;
+ s->delay = ticks_per_sec >> 7;
if (s->run_count)
qemu_mod_timer(s->tm, qemu_get_clock(vm_clock) + s->delay);
} else {
}
/* DMA ports */
-int omap_validate_emiff_addr(struct omap_mpu_state_s *s,
+static int omap_validate_emiff_addr(struct omap_mpu_state_s *s,
target_phys_addr_t addr)
{
return addr >= OMAP_EMIFF_BASE && addr < OMAP_EMIFF_BASE + s->sdram_size;
}
-int omap_validate_emifs_addr(struct omap_mpu_state_s *s,
+static int omap_validate_emifs_addr(struct omap_mpu_state_s *s,
target_phys_addr_t addr)
{
return addr >= OMAP_EMIFS_BASE && addr < OMAP_EMIFF_BASE;
}
-int omap_validate_imif_addr(struct omap_mpu_state_s *s,
+static int omap_validate_imif_addr(struct omap_mpu_state_s *s,
target_phys_addr_t addr)
{
return addr >= OMAP_IMIF_BASE && addr < OMAP_IMIF_BASE + s->sram_size;
}
-int omap_validate_tipb_addr(struct omap_mpu_state_s *s,
+static int omap_validate_tipb_addr(struct omap_mpu_state_s *s,
target_phys_addr_t addr)
{
return addr >= 0xfffb0000 && addr < 0xffff0000;
}
-int omap_validate_local_addr(struct omap_mpu_state_s *s,
+static int omap_validate_local_addr(struct omap_mpu_state_s *s,
target_phys_addr_t addr)
{
return addr >= OMAP_LOCALBUS_BASE && addr < OMAP_LOCALBUS_BASE + 0x1000000;
}
-int omap_validate_tipb_mpui_addr(struct omap_mpu_state_s *s,
+static int omap_validate_tipb_mpui_addr(struct omap_mpu_state_s *s,
target_phys_addr_t addr)
{
return addr >= 0xe1010000 && addr < 0xe1020004;
if (timer->enable && timer->st && timer->rate) {
timer->val = timer->reset_val; /* Should skip this on clk enable */
- expires = timer->time + muldiv64(timer->val << (timer->ptv + 1),
+ expires = muldiv64(timer->val << (timer->ptv + 1),
ticks_per_sec, timer->rate);
- qemu_mod_timer(timer->timer, expires);
+
+ /* If timer expiry would be sooner than in about 1 ms and
+ * auto-reload isn't set, then fire immediately. This is a hack
+ * to make systems like PalmOS run in acceptable time. PalmOS
+ * sets the interval to a very low value and polls the status bit
+ * in a busy loop when it wants to sleep just a couple of CPU
+ * ticks. */
+ if (expires > (ticks_per_sec >> 10) || timer->ar)
+ qemu_mod_timer(timer->timer, timer->time + expires);
+ else {
+ timer->val = 0;
+ timer->st = 0;
+ if (timer->it_ena)
+ qemu_irq_raise(timer->irq);
+ }
} else
qemu_del_timer(timer->timer);
}
s->mode |= (value >> 15) & 1;
if (s->last_wr == 0xf5) {
if ((value & 0xff) == 0xa0) {
- s->mode = 0;
- omap_clk_put(s->timer.clk);
+ if (s->mode) {
+ s->mode = 0;
+ omap_clk_put(s->timer.clk);
+ }
} else {
/* XXX: on T|E hardware somehow this has no effect,
* on Zire 71 it works as specified. */
static uint32_t omap_os_timer_read(void *opaque, target_phys_addr_t addr)
{
struct omap_32khz_timer_s *s = (struct omap_32khz_timer_s *) opaque;
- int offset = addr - s->timer.base;
+ int offset = addr & OMAP_MPUI_REG_MASK;
switch (offset) {
case 0x00: /* TVR */
uint32_t value)
{
struct omap_32khz_timer_s *s = (struct omap_32khz_timer_s *) opaque;
- int offset = addr - s->timer.base;
+ int offset = addr & OMAP_MPUI_REG_MASK;
switch (offset) {
case 0x00: /* TVR */
uint32_t ret;
switch (offset) {
- case 0xfffecc00: /* IMIF_PRIO */
- case 0xfffecc04: /* EMIFS_PRIO */
- case 0xfffecc08: /* EMIFF_PRIO */
- case 0xfffecc0c: /* EMIFS_CONFIG */
- case 0xfffecc10: /* EMIFS_CS0_CONFIG */
- case 0xfffecc14: /* EMIFS_CS1_CONFIG */
- case 0xfffecc18: /* EMIFS_CS2_CONFIG */
- case 0xfffecc1c: /* EMIFS_CS3_CONFIG */
- case 0xfffecc24: /* EMIFF_MRS */
- case 0xfffecc28: /* TIMEOUT1 */
- case 0xfffecc2c: /* TIMEOUT2 */
- case 0xfffecc30: /* TIMEOUT3 */
- case 0xfffecc3c: /* EMIFF_SDRAM_CONFIG_2 */
- case 0xfffecc40: /* EMIFS_CFG_DYN_WAIT */
+ case 0x00: /* IMIF_PRIO */
+ case 0x04: /* EMIFS_PRIO */
+ case 0x08: /* EMIFF_PRIO */
+ case 0x0c: /* EMIFS_CONFIG */
+ case 0x10: /* EMIFS_CS0_CONFIG */
+ case 0x14: /* EMIFS_CS1_CONFIG */
+ case 0x18: /* EMIFS_CS2_CONFIG */
+ case 0x1c: /* EMIFS_CS3_CONFIG */
+ case 0x24: /* EMIFF_MRS */
+ case 0x28: /* TIMEOUT1 */
+ case 0x2c: /* TIMEOUT2 */
+ case 0x30: /* TIMEOUT3 */
+ case 0x3c: /* EMIFF_SDRAM_CONFIG_2 */
+ case 0x40: /* EMIFS_CFG_DYN_WAIT */
return s->tcmi_regs[offset >> 2];
- case 0xfffecc20: /* EMIFF_SDRAM_CONFIG */
+ case 0x20: /* EMIFF_SDRAM_CONFIG */
ret = s->tcmi_regs[offset >> 2];
s->tcmi_regs[offset >> 2] &= ~1; /* XXX: Clear SLRF on SDRAM access */
/* XXX: We can try using the VGA_DIRTY flag for this */
int offset = addr - s->tcmi_base;
switch (offset) {
- case 0xfffecc00: /* IMIF_PRIO */
- case 0xfffecc04: /* EMIFS_PRIO */
- case 0xfffecc08: /* EMIFF_PRIO */
- case 0xfffecc10: /* EMIFS_CS0_CONFIG */
- case 0xfffecc14: /* EMIFS_CS1_CONFIG */
- case 0xfffecc18: /* EMIFS_CS2_CONFIG */
- case 0xfffecc1c: /* EMIFS_CS3_CONFIG */
- case 0xfffecc20: /* EMIFF_SDRAM_CONFIG */
- case 0xfffecc24: /* EMIFF_MRS */
- case 0xfffecc28: /* TIMEOUT1 */
- case 0xfffecc2c: /* TIMEOUT2 */
- case 0xfffecc30: /* TIMEOUT3 */
- case 0xfffecc3c: /* EMIFF_SDRAM_CONFIG_2 */
- case 0xfffecc40: /* EMIFS_CFG_DYN_WAIT */
+ case 0x00: /* IMIF_PRIO */
+ case 0x04: /* EMIFS_PRIO */
+ case 0x08: /* EMIFF_PRIO */
+ case 0x10: /* EMIFS_CS0_CONFIG */
+ case 0x14: /* EMIFS_CS1_CONFIG */
+ case 0x18: /* EMIFS_CS2_CONFIG */
+ case 0x1c: /* EMIFS_CS3_CONFIG */
+ case 0x20: /* EMIFF_SDRAM_CONFIG */
+ case 0x24: /* EMIFF_MRS */
+ case 0x28: /* TIMEOUT1 */
+ case 0x2c: /* TIMEOUT2 */
+ case 0x30: /* TIMEOUT3 */
+ case 0x3c: /* EMIFF_SDRAM_CONFIG_2 */
+ case 0x40: /* EMIFS_CFG_DYN_WAIT */
s->tcmi_regs[offset >> 2] = value;
break;
- case 0xfffecc0c: /* EMIFS_CONFIG */
+ case 0x0c: /* EMIFS_CONFIG */
s->tcmi_regs[offset >> 2] = (value & 0xf) | (1 << 4);
break;
return s->clkm.arm_rstct2;
case 0x18: /* ARM_SYSST */
- return (s->clkm.clocking_scheme < 11) | s->clkm.cold_start;
+ return (s->clkm.clocking_scheme << 11) | s->clkm.cold_start;
case 0x1c: /* ARM_CKOUT1 */
return s->clkm.arm_ckout1;
return s->clkm.dsp_rstct2;
case 0x18: /* DSP_SYSST */
- return (s->clkm.clocking_scheme < 11) | s->clkm.cold_start |
+ return (s->clkm.clocking_scheme << 11) | s->clkm.cold_start |
(s->env->halted << 6); /* Quite useless... */
}
s->clkm.clocking_scheme = 0;
omap_clkm_ckctl_update(s, ~0, 0x3000);
s->clkm.arm_ckctl = 0x3000;
- omap_clkm_idlect1_update(s, s->clkm.arm_idlect1 & 0x0400, 0x0400);
+ omap_clkm_idlect1_update(s, s->clkm.arm_idlect1 ^ 0x0400, 0x0400);
s->clkm.arm_idlect1 = 0x0400;
- omap_clkm_idlect2_update(s, s->clkm.arm_idlect2 & 0x0100, 0x0100);
+ omap_clkm_idlect2_update(s, s->clkm.arm_idlect2 ^ 0x0100, 0x0100);
s->clkm.arm_idlect2 = 0x0100;
s->clkm.arm_ewupct = 0x003f;
s->clkm.arm_rstct1 = 0x0000;
s->clkm.mpu_base = mpu_base;
s->clkm.dsp_base = dsp_base;
- s->clkm.cold_start = 0x3a;
+ s->clkm.arm_idlect1 = 0x03ff;
+ s->clkm.arm_idlect2 = 0x0100;
+ s->clkm.dsp_idlect1 = 0x0002;
omap_clkm_reset(s);
+ s->clkm.cold_start = 0x3a;
cpu_register_physical_memory(s->clkm.mpu_base, 0x100, iomemtype[0]);
cpu_register_physical_memory(s->clkm.dsp_base, 0x1000, iomemtype[1]);
}
-/* General chip reset */
-static void omap_mpu_reset(void *opaque)
+/* MPU I/O */
+struct omap_mpuio_s {
+ target_phys_addr_t base;
+ qemu_irq irq;
+ qemu_irq kbd_irq;
+ qemu_irq *in;
+ qemu_irq handler[16];
+ qemu_irq wakeup;
+
+ uint16_t inputs;
+ uint16_t outputs;
+ uint16_t dir;
+ uint16_t edge;
+ uint16_t mask;
+ uint16_t ints;
+
+ uint16_t debounce;
+ uint16_t latch;
+ uint8_t event;
+
+ uint8_t buttons[5];
+ uint8_t row_latch;
+ uint8_t cols;
+ int kbd_mask;
+ int clk;
+};
+
+static void omap_mpuio_set(void *opaque, int line, int level)
{
- struct omap_mpu_state_s *mpu = (struct omap_mpu_state_s *) opaque;
+ struct omap_mpuio_s *s = (struct omap_mpuio_s *) opaque;
+ uint16_t prev = s->inputs;
- omap_clkm_reset(mpu);
- omap_inth_reset(mpu->ih[0]);
- omap_inth_reset(mpu->ih[1]);
- omap_dma_reset(mpu->dma);
- omap_mpu_timer_reset(mpu->timer[0]);
- omap_mpu_timer_reset(mpu->timer[1]);
- omap_mpu_timer_reset(mpu->timer[2]);
- omap_wd_timer_reset(mpu->wdt);
- omap_os_timer_reset(mpu->os_timer);
- omap_lcdc_reset(mpu->lcd);
- omap_ulpd_pm_reset(mpu);
- omap_pin_cfg_reset(mpu);
- omap_mpui_reset(mpu);
- omap_tipb_bridge_reset(mpu->private_tipb);
- omap_tipb_bridge_reset(mpu->public_tipb);
- omap_dpll_reset(&mpu->dpll[0]);
- omap_dpll_reset(&mpu->dpll[1]);
- omap_dpll_reset(&mpu->dpll[2]);
- omap_uart_reset(mpu->uart1);
- omap_uart_reset(mpu->uart2);
- omap_uart_reset(mpu->uart3);
- cpu_reset(mpu->env);
+ if (level)
+ s->inputs |= 1 << line;
+ else
+ s->inputs &= ~(1 << line);
+
+ if (((1 << line) & s->dir & ~s->mask) && s->clk) {
+ if ((s->edge & s->inputs & ~prev) | (~s->edge & ~s->inputs & prev)) {
+ s->ints |= 1 << line;
+ qemu_irq_raise(s->irq);
+ /* TODO: wakeup */
+ }
+ if ((s->event & (1 << 0)) && /* SET_GPIO_EVENT_MODE */
+ (s->event >> 1) == line) /* PIN_SELECT */
+ s->latch = s->inputs;
+ }
}
-static void omap_mpu_wakeup(void *opaque, int irq, int req)
+static void omap_mpuio_kbd_update(struct omap_mpuio_s *s)
{
- struct omap_mpu_state_s *mpu = (struct omap_mpu_state_s *) opaque;
+ int i;
+ uint8_t *row, rows = 0, cols = ~s->cols;
+
+ for (row = s->buttons + 4, i = 1 << 4; i; row --, i >>= 1)
+ if (*row & cols)
+ rows |= i;
- cpu_interrupt(mpu->env, CPU_INTERRUPT_EXITTB);
+ qemu_set_irq(s->kbd_irq, rows && ~s->kbd_mask && s->clk);
+ s->row_latch = rows ^ 0x1f;
}
-struct omap_mpu_state_s *omap310_mpu_init(unsigned long sdram_size,
- DisplayState *ds, const char *core)
+static uint32_t omap_mpuio_read(void *opaque, target_phys_addr_t addr)
{
- struct omap_mpu_state_s *s = (struct omap_mpu_state_s *)
- qemu_mallocz(sizeof(struct omap_mpu_state_s));
- ram_addr_t imif_base, emiff_base;
+ struct omap_mpuio_s *s = (struct omap_mpuio_s *) opaque;
+ int offset = addr & OMAP_MPUI_REG_MASK;
+ uint16_t ret;
- /* Core */
- s->mpu_model = omap310;
- s->env = cpu_init();
- s->sdram_size = sdram_size;
- s->sram_size = OMAP15XX_SRAM_SIZE;
+ switch (offset) {
+ case 0x00: /* INPUT_LATCH */
+ return s->inputs;
- cpu_arm_set_model(s->env, core ?: "ti925t");
+ case 0x04: /* OUTPUT_REG */
+ return s->outputs;
- /* Clocks */
- omap_clk_init(s);
+ case 0x08: /* IO_CNTL */
+ return s->dir;
- /* Memory-mapped stuff */
- cpu_register_physical_memory(OMAP_EMIFF_BASE, s->sdram_size,
- (emiff_base = qemu_ram_alloc(s->sdram_size)) | IO_MEM_RAM);
- cpu_register_physical_memory(OMAP_IMIF_BASE, s->sram_size,
- (imif_base = qemu_ram_alloc(s->sram_size)) | IO_MEM_RAM);
+ case 0x10: /* KBR_LATCH */
+ return s->row_latch;
- omap_clkm_init(0xfffece00, 0xe1008000, s);
+ case 0x14: /* KBC_REG */
+ return s->cols;
- s->ih[0] = omap_inth_init(0xfffecb00, 0x100,
- arm_pic_init_cpu(s->env),
- omap_findclk(s, "arminth_ck"));
- s->ih[1] = omap_inth_init(0xfffe0000, 0x800,
- &s->ih[0]->pins[OMAP_INT_15XX_IH2_IRQ],
- omap_findclk(s, "arminth_ck"));
- s->irq[0] = s->ih[0]->pins;
- s->irq[1] = s->ih[1]->pins;
+ case 0x18: /* GPIO_EVENT_MODE_REG */
+ return s->event;
- s->dma = omap_dma_init(0xfffed800, s->irq[0], s,
- omap_findclk(s, "dma_ck"));
- s->port[emiff ].addr_valid = omap_validate_emiff_addr;
- s->port[emifs ].addr_valid = omap_validate_emifs_addr;
- s->port[imif ].addr_valid = omap_validate_imif_addr;
- s->port[tipb ].addr_valid = omap_validate_tipb_addr;
- s->port[local ].addr_valid = omap_validate_local_addr;
- s->port[tipb_mpui].addr_valid = omap_validate_tipb_mpui_addr;
+ case 0x1c: /* GPIO_INT_EDGE_REG */
+ return s->edge;
- s->timer[0] = omap_mpu_timer_init(0xfffec500,
- s->irq[0][OMAP_INT_TIMER1],
- omap_findclk(s, "mputim_ck"));
- s->timer[1] = omap_mpu_timer_init(0xfffec600,
- s->irq[0][OMAP_INT_TIMER2],
- omap_findclk(s, "mputim_ck"));
- s->timer[2] = omap_mpu_timer_init(0xfffec700,
- s->irq[0][OMAP_INT_TIMER3],
- omap_findclk(s, "mputim_ck"));
+ case 0x20: /* KBD_INT */
+ return (s->row_latch != 0x1f) && !s->kbd_mask;
- s->wdt = omap_wd_timer_init(0xfffec800,
- s->irq[0][OMAP_INT_WD_TIMER],
- omap_findclk(s, "armwdt_ck"));
+ case 0x24: /* GPIO_INT */
+ ret = s->ints;
+ s->ints &= s->mask;
+ if (ret)
+ qemu_irq_lower(s->irq);
+ return ret;
- s->os_timer = omap_os_timer_init(0xfffb9000,
- s->irq[1][OMAP_INT_OS_TIMER],
- omap_findclk(s, "clk32-kHz"));
+ case 0x28: /* KBD_MASKIT */
+ return s->kbd_mask;
- s->lcd = omap_lcdc_init(0xfffec000, s->irq[0][OMAP_INT_LCD_CTRL],
- &s->dma->lcd_ch, ds, imif_base, emiff_base,
- omap_findclk(s, "lcd_ck"));
+ case 0x2c: /* GPIO_MASKIT */
+ return s->mask;
- omap_ulpd_pm_init(0xfffe0800, s);
- omap_pin_cfg_init(0xfffe1000, s);
- omap_id_init(s);
+ case 0x30: /* GPIO_DEBOUNCING_REG */
+ return s->debounce;
- omap_mpui_init(0xfffec900, s);
+ case 0x34: /* GPIO_LATCH_REG */
+ return s->latch;
+ }
- s->private_tipb = omap_tipb_bridge_init(0xfffeca00,
- s->irq[0][OMAP_INT_BRIDGE_PRIV],
- omap_findclk(s, "tipb_ck"));
- s->public_tipb = omap_tipb_bridge_init(0xfffed300,
- s->irq[0][OMAP_INT_BRIDGE_PUB],
- omap_findclk(s, "tipb_ck"));
+ OMAP_BAD_REG(addr);
+ return 0;
+}
- omap_tcmi_init(0xfffecc00, s);
+static void omap_mpuio_write(void *opaque, target_phys_addr_t addr,
+ uint32_t value)
+{
+ struct omap_mpuio_s *s = (struct omap_mpuio_s *) opaque;
+ int offset = addr & OMAP_MPUI_REG_MASK;
+ uint16_t diff;
+ int ln;
- s->uart1 = omap_uart_init(0xfffb0000, s->irq[1][OMAP_INT_UART1],
- omap_findclk(s, "uart1_ck"),
- serial_hds[0]);
- s->uart2 = omap_uart_init(0xfffb0800, s->irq[1][OMAP_INT_UART2],
- omap_findclk(s, "uart2_ck"),
- serial_hds[0] ? serial_hds[1] : 0);
- s->uart3 = omap_uart_init(0xe1019800, s->irq[0][OMAP_INT_UART3],
- omap_findclk(s, "uart3_ck"),
- serial_hds[0] && serial_hds[1] ? serial_hds[2] : 0);
+ switch (offset) {
+ case 0x04: /* OUTPUT_REG */
+ diff = (s->outputs ^ value) & ~s->dir;
+ s->outputs = value;
+ while ((ln = ffs(diff))) {
+ ln --;
+ if (s->handler[ln])
+ qemu_set_irq(s->handler[ln], (value >> ln) & 1);
+ diff &= ~(1 << ln);
+ }
+ break;
- omap_dpll_init(&s->dpll[0], 0xfffecf00, omap_findclk(s, "dpll1"));
- omap_dpll_init(&s->dpll[1], 0xfffed000, omap_findclk(s, "dpll2"));
- omap_dpll_init(&s->dpll[2], 0xfffed100, omap_findclk(s, "dpll3"));
+ case 0x08: /* IO_CNTL */
+ diff = s->outputs & (s->dir ^ value);
+ s->dir = value;
- qemu_register_reset(omap_mpu_reset, s);
- s->wakeup = qemu_allocate_irqs(omap_mpu_wakeup, s, 1)[0];
+ value = s->outputs & ~s->dir;
+ while ((ln = ffs(diff))) {
+ ln --;
+ if (s->handler[ln])
+ qemu_set_irq(s->handler[ln], (value >> ln) & 1);
+ diff &= ~(1 << ln);
+ }
+ break;
+
+ case 0x14: /* KBC_REG */
+ s->cols = value;
+ omap_mpuio_kbd_update(s);
+ break;
+
+ case 0x18: /* GPIO_EVENT_MODE_REG */
+ s->event = value & 0x1f;
+ break;
+
+ case 0x1c: /* GPIO_INT_EDGE_REG */
+ s->edge = value;
+ break;
+
+ case 0x28: /* KBD_MASKIT */
+ s->kbd_mask = value & 1;
+ omap_mpuio_kbd_update(s);
+ break;
+
+ case 0x2c: /* GPIO_MASKIT */
+ s->mask = value;
+ break;
+
+ case 0x30: /* GPIO_DEBOUNCING_REG */
+ s->debounce = value & 0x1ff;
+ break;
+
+ case 0x00: /* INPUT_LATCH */
+ case 0x10: /* KBR_LATCH */
+ case 0x20: /* KBD_INT */
+ case 0x24: /* GPIO_INT */
+ case 0x34: /* GPIO_LATCH_REG */
+ OMAP_RO_REG(addr);
+ return;
+
+ default:
+ OMAP_BAD_REG(addr);
+ return;
+ }
+}
+
+static CPUReadMemoryFunc *omap_mpuio_readfn[] = {
+ omap_badwidth_read16,
+ omap_mpuio_read,
+ omap_badwidth_read16,
+};
+
+static CPUWriteMemoryFunc *omap_mpuio_writefn[] = {
+ omap_badwidth_write16,
+ omap_mpuio_write,
+ omap_badwidth_write16,
+};
+
+void omap_mpuio_reset(struct omap_mpuio_s *s)
+{
+ s->inputs = 0;
+ s->outputs = 0;
+ s->dir = ~0;
+ s->event = 0;
+ s->edge = 0;
+ s->kbd_mask = 0;
+ s->mask = 0;
+ s->debounce = 0;
+ s->latch = 0;
+ s->ints = 0;
+ s->row_latch = 0x1f;
+ s->clk = 1;
+}
+
+static void omap_mpuio_onoff(void *opaque, int line, int on)
+{
+ struct omap_mpuio_s *s = (struct omap_mpuio_s *) opaque;
+
+ s->clk = on;
+ if (on)
+ omap_mpuio_kbd_update(s);
+}
+
+struct omap_mpuio_s *omap_mpuio_init(target_phys_addr_t base,
+ qemu_irq kbd_int, qemu_irq gpio_int, qemu_irq wakeup,
+ omap_clk clk)
+{
+ int iomemtype;
+ struct omap_mpuio_s *s = (struct omap_mpuio_s *)
+ qemu_mallocz(sizeof(struct omap_mpuio_s));
+
+ s->base = base;
+ s->irq = gpio_int;
+ s->kbd_irq = kbd_int;
+ s->wakeup = wakeup;
+ s->in = qemu_allocate_irqs(omap_mpuio_set, s, 16);
+ omap_mpuio_reset(s);
+
+ iomemtype = cpu_register_io_memory(0, omap_mpuio_readfn,
+ omap_mpuio_writefn, s);
+ cpu_register_physical_memory(s->base, 0x800, iomemtype);
+
+ omap_clk_adduser(clk, qemu_allocate_irqs(omap_mpuio_onoff, s, 1)[0]);
+
+ return s;
+}
+
+qemu_irq *omap_mpuio_in_get(struct omap_mpuio_s *s)
+{
+ return s->in;
+}
+
+void omap_mpuio_out_set(struct omap_mpuio_s *s, int line, qemu_irq handler)
+{
+ if (line >= 16 || line < 0)
+ cpu_abort(cpu_single_env, "%s: No GPIO line %i\n", __FUNCTION__, line);
+ s->handler[line] = handler;
+}
+
+void omap_mpuio_key(struct omap_mpuio_s *s, int row, int col, int down)
+{
+ if (row >= 5 || row < 0)
+ cpu_abort(cpu_single_env, "%s: No key %i-%i\n",
+ __FUNCTION__, col, row);
+
+ if (down)
+ s->buttons[row] |= 1 << col;
+ else
+ s->buttons[row] &= ~(1 << col);
+
+ omap_mpuio_kbd_update(s);
+}
+
+/* General-Purpose I/O */
+struct omap_gpio_s {
+ target_phys_addr_t base;
+ qemu_irq irq;
+ qemu_irq *in;
+ qemu_irq handler[16];
+
+ uint16_t inputs;
+ uint16_t outputs;
+ uint16_t dir;
+ uint16_t edge;
+ uint16_t mask;
+ uint16_t ints;
+ uint16_t pins;
+};
+
+static void omap_gpio_set(void *opaque, int line, int level)
+{
+ struct omap_gpio_s *s = (struct omap_gpio_s *) opaque;
+ uint16_t prev = s->inputs;
+
+ if (level)
+ s->inputs |= 1 << line;
+ else
+ s->inputs &= ~(1 << line);
+
+ if (((s->edge & s->inputs & ~prev) | (~s->edge & ~s->inputs & prev)) &
+ (1 << line) & s->dir & ~s->mask) {
+ s->ints |= 1 << line;
+ qemu_irq_raise(s->irq);
+ }
+}
+
+static uint32_t omap_gpio_read(void *opaque, target_phys_addr_t addr)
+{
+ struct omap_gpio_s *s = (struct omap_gpio_s *) opaque;
+ int offset = addr & OMAP_MPUI_REG_MASK;
+
+ switch (offset) {
+ case 0x00: /* DATA_INPUT */
+ return s->inputs & s->pins;
+
+ case 0x04: /* DATA_OUTPUT */
+ return s->outputs;
+
+ case 0x08: /* DIRECTION_CONTROL */
+ return s->dir;
+
+ case 0x0c: /* INTERRUPT_CONTROL */
+ return s->edge;
+
+ case 0x10: /* INTERRUPT_MASK */
+ return s->mask;
+
+ case 0x14: /* INTERRUPT_STATUS */
+ return s->ints;
+
+ case 0x18: /* PIN_CONTROL (not in OMAP310) */
+ OMAP_BAD_REG(addr);
+ return s->pins;
+ }
+
+ OMAP_BAD_REG(addr);
+ return 0;
+}
+
+static void omap_gpio_write(void *opaque, target_phys_addr_t addr,
+ uint32_t value)
+{
+ struct omap_gpio_s *s = (struct omap_gpio_s *) opaque;
+ int offset = addr & OMAP_MPUI_REG_MASK;
+ uint16_t diff;
+ int ln;
+
+ switch (offset) {
+ case 0x00: /* DATA_INPUT */
+ OMAP_RO_REG(addr);
+ return;
+
+ case 0x04: /* DATA_OUTPUT */
+ diff = (s->outputs ^ value) & ~s->dir;
+ s->outputs = value;
+ while ((ln = ffs(diff))) {
+ ln --;
+ if (s->handler[ln])
+ qemu_set_irq(s->handler[ln], (value >> ln) & 1);
+ diff &= ~(1 << ln);
+ }
+ break;
+
+ case 0x08: /* DIRECTION_CONTROL */
+ diff = s->outputs & (s->dir ^ value);
+ s->dir = value;
+
+ value = s->outputs & ~s->dir;
+ while ((ln = ffs(diff))) {
+ ln --;
+ if (s->handler[ln])
+ qemu_set_irq(s->handler[ln], (value >> ln) & 1);
+ diff &= ~(1 << ln);
+ }
+ break;
+
+ case 0x0c: /* INTERRUPT_CONTROL */
+ s->edge = value;
+ break;
+
+ case 0x10: /* INTERRUPT_MASK */
+ s->mask = value;
+ break;
+
+ case 0x14: /* INTERRUPT_STATUS */
+ s->ints &= ~value;
+ if (!s->ints)
+ qemu_irq_lower(s->irq);
+ break;
+
+ case 0x18: /* PIN_CONTROL (not in OMAP310 TRM) */
+ OMAP_BAD_REG(addr);
+ s->pins = value;
+ break;
+
+ default:
+ OMAP_BAD_REG(addr);
+ return;
+ }
+}
+
+/* *Some* sources say the memory region is 32-bit. */
+static CPUReadMemoryFunc *omap_gpio_readfn[] = {
+ omap_badwidth_read16,
+ omap_gpio_read,
+ omap_badwidth_read16,
+};
+
+static CPUWriteMemoryFunc *omap_gpio_writefn[] = {
+ omap_badwidth_write16,
+ omap_gpio_write,
+ omap_badwidth_write16,
+};
+
+void omap_gpio_reset(struct omap_gpio_s *s)
+{
+ s->inputs = 0;
+ s->outputs = ~0;
+ s->dir = ~0;
+ s->edge = ~0;
+ s->mask = ~0;
+ s->ints = 0;
+ s->pins = ~0;
+}
+
+struct omap_gpio_s *omap_gpio_init(target_phys_addr_t base,
+ qemu_irq irq, omap_clk clk)
+{
+ int iomemtype;
+ struct omap_gpio_s *s = (struct omap_gpio_s *)
+ qemu_mallocz(sizeof(struct omap_gpio_s));
+
+ s->base = base;
+ s->irq = irq;
+ s->in = qemu_allocate_irqs(omap_gpio_set, s, 16);
+ omap_gpio_reset(s);
+
+ iomemtype = cpu_register_io_memory(0, omap_gpio_readfn,
+ omap_gpio_writefn, s);
+ cpu_register_physical_memory(s->base, 0x1000, iomemtype);
+
+ return s;
+}
+
+qemu_irq *omap_gpio_in_get(struct omap_gpio_s *s)
+{
+ return s->in;
+}
+
+void omap_gpio_out_set(struct omap_gpio_s *s, int line, qemu_irq handler)
+{
+ if (line >= 16 || line < 0)
+ cpu_abort(cpu_single_env, "%s: No GPIO line %i\n", __FUNCTION__, line);
+ s->handler[line] = handler;
+}
+
+/* MicroWire Interface */
+struct omap_uwire_s {
+ target_phys_addr_t base;
+ qemu_irq txirq;
+ qemu_irq rxirq;
+ qemu_irq txdrq;
+
+ uint16_t txbuf;
+ uint16_t rxbuf;
+ uint16_t control;
+ uint16_t setup[5];
+
+ struct uwire_slave_s *chip[4];
+};
+
+static void omap_uwire_transfer_start(struct omap_uwire_s *s)
+{
+ int chipselect = (s->control >> 10) & 3; /* INDEX */
+ struct uwire_slave_s *slave = s->chip[chipselect];
+
+ if ((s->control >> 5) & 0x1f) { /* NB_BITS_WR */
+ if (s->control & (1 << 12)) /* CS_CMD */
+ if (slave && slave->send)
+ slave->send(slave->opaque,
+ s->txbuf >> (16 - ((s->control >> 5) & 0x1f)));
+ s->control &= ~(1 << 14); /* CSRB */
+ /* TODO: depending on s->setup[4] bits [1:0] assert an IRQ or
+ * a DRQ. When is the level IRQ supposed to be reset? */
+ }
+
+ if ((s->control >> 0) & 0x1f) { /* NB_BITS_RD */
+ if (s->control & (1 << 12)) /* CS_CMD */
+ if (slave && slave->receive)
+ s->rxbuf = slave->receive(slave->opaque);
+ s->control |= 1 << 15; /* RDRB */
+ /* TODO: depending on s->setup[4] bits [1:0] assert an IRQ or
+ * a DRQ. When is the level IRQ supposed to be reset? */
+ }
+}
+
+static uint32_t omap_uwire_read(void *opaque, target_phys_addr_t addr)
+{
+ struct omap_uwire_s *s = (struct omap_uwire_s *) opaque;
+ int offset = addr & OMAP_MPUI_REG_MASK;
+
+ switch (offset) {
+ case 0x00: /* RDR */
+ s->control &= ~(1 << 15); /* RDRB */
+ return s->rxbuf;
+
+ case 0x04: /* CSR */
+ return s->control;
+
+ case 0x08: /* SR1 */
+ return s->setup[0];
+ case 0x0c: /* SR2 */
+ return s->setup[1];
+ case 0x10: /* SR3 */
+ return s->setup[2];
+ case 0x14: /* SR4 */
+ return s->setup[3];
+ case 0x18: /* SR5 */
+ return s->setup[4];
+ }
+
+ OMAP_BAD_REG(addr);
+ return 0;
+}
+
+static void omap_uwire_write(void *opaque, target_phys_addr_t addr,
+ uint32_t value)
+{
+ struct omap_uwire_s *s = (struct omap_uwire_s *) opaque;
+ int offset = addr & OMAP_MPUI_REG_MASK;
+
+ switch (offset) {
+ case 0x00: /* TDR */
+ s->txbuf = value; /* TD */
+ if ((s->setup[4] & (1 << 2)) && /* AUTO_TX_EN */
+ ((s->setup[4] & (1 << 3)) || /* CS_TOGGLE_TX_EN */
+ (s->control & (1 << 12)))) { /* CS_CMD */
+ s->control |= 1 << 14; /* CSRB */
+ omap_uwire_transfer_start(s);
+ }
+ break;
+
+ case 0x04: /* CSR */
+ s->control = value & 0x1fff;
+ if (value & (1 << 13)) /* START */
+ omap_uwire_transfer_start(s);
+ break;
+
+ case 0x08: /* SR1 */
+ s->setup[0] = value & 0x003f;
+ break;
+
+ case 0x0c: /* SR2 */
+ s->setup[1] = value & 0x0fc0;
+ break;
+
+ case 0x10: /* SR3 */
+ s->setup[2] = value & 0x0003;
+ break;
+
+ case 0x14: /* SR4 */
+ s->setup[3] = value & 0x0001;
+ break;
+
+ case 0x18: /* SR5 */
+ s->setup[4] = value & 0x000f;
+ break;
+
+ default:
+ OMAP_BAD_REG(addr);
+ return;
+ }
+}
+
+static CPUReadMemoryFunc *omap_uwire_readfn[] = {
+ omap_badwidth_read16,
+ omap_uwire_read,
+ omap_badwidth_read16,
+};
+
+static CPUWriteMemoryFunc *omap_uwire_writefn[] = {
+ omap_badwidth_write16,
+ omap_uwire_write,
+ omap_badwidth_write16,
+};
+
+void omap_uwire_reset(struct omap_uwire_s *s)
+{
+ s->control = 0;
+ s->setup[0] = 0;
+ s->setup[1] = 0;
+ s->setup[2] = 0;
+ s->setup[3] = 0;
+ s->setup[4] = 0;
+}
+
+struct omap_uwire_s *omap_uwire_init(target_phys_addr_t base,
+ qemu_irq *irq, qemu_irq dma, omap_clk clk)
+{
+ int iomemtype;
+ struct omap_uwire_s *s = (struct omap_uwire_s *)
+ qemu_mallocz(sizeof(struct omap_uwire_s));
+
+ s->base = base;
+ s->txirq = irq[0];
+ s->rxirq = irq[1];
+ s->txdrq = dma;
+ omap_uwire_reset(s);
+
+ iomemtype = cpu_register_io_memory(0, omap_uwire_readfn,
+ omap_uwire_writefn, s);
+ cpu_register_physical_memory(s->base, 0x800, iomemtype);
+
+ return s;
+}
+
+void omap_uwire_attach(struct omap_uwire_s *s,
+ struct uwire_slave_s *slave, int chipselect)
+{
+ if (chipselect < 0 || chipselect > 3)
+ cpu_abort(cpu_single_env, "%s: Bad chipselect %i\n", __FUNCTION__,
+ chipselect);
+
+ s->chip[chipselect] = slave;
+}
+
+/* Pseudonoise Pulse-Width Light Modulator */
+void omap_pwl_update(struct omap_mpu_state_s *s)
+{
+ int output = (s->pwl.clk && s->pwl.enable) ? s->pwl.level : 0;
+
+ if (output != s->pwl.output) {
+ s->pwl.output = output;
+ printf("%s: Backlight now at %i/256\n", __FUNCTION__, output);
+ }
+}
+
+static uint32_t omap_pwl_read(void *opaque, target_phys_addr_t addr)
+{
+ struct omap_mpu_state_s *s = (struct omap_mpu_state_s *) opaque;
+ int offset = addr & OMAP_MPUI_REG_MASK;
+
+ switch (offset) {
+ case 0x00: /* PWL_LEVEL */
+ return s->pwl.level;
+ case 0x04: /* PWL_CTRL */
+ return s->pwl.enable;
+ }
+ OMAP_BAD_REG(addr);
+ return 0;
+}
+
+static void omap_pwl_write(void *opaque, target_phys_addr_t addr,
+ uint32_t value)
+{
+ struct omap_mpu_state_s *s = (struct omap_mpu_state_s *) opaque;
+ int offset = addr & OMAP_MPUI_REG_MASK;
+
+ switch (offset) {
+ case 0x00: /* PWL_LEVEL */
+ s->pwl.level = value;
+ omap_pwl_update(s);
+ break;
+ case 0x04: /* PWL_CTRL */
+ s->pwl.enable = value & 1;
+ omap_pwl_update(s);
+ break;
+ default:
+ OMAP_BAD_REG(addr);
+ return;
+ }
+}
+
+static CPUReadMemoryFunc *omap_pwl_readfn[] = {
+ omap_pwl_read,
+ omap_badwidth_read8,
+ omap_badwidth_read8,
+};
+
+static CPUWriteMemoryFunc *omap_pwl_writefn[] = {
+ omap_pwl_write,
+ omap_badwidth_write8,
+ omap_badwidth_write8,
+};
+
+void omap_pwl_reset(struct omap_mpu_state_s *s)
+{
+ s->pwl.output = 0;
+ s->pwl.level = 0;
+ s->pwl.enable = 0;
+ s->pwl.clk = 1;
+ omap_pwl_update(s);
+}
+
+static void omap_pwl_clk_update(void *opaque, int line, int on)
+{
+ struct omap_mpu_state_s *s = (struct omap_mpu_state_s *) opaque;
+
+ s->pwl.clk = on;
+ omap_pwl_update(s);
+}
+
+static void omap_pwl_init(target_phys_addr_t base, struct omap_mpu_state_s *s,
+ omap_clk clk)
+{
+ int iomemtype;
+
+ omap_pwl_reset(s);
+
+ iomemtype = cpu_register_io_memory(0, omap_pwl_readfn,
+ omap_pwl_writefn, s);
+ cpu_register_physical_memory(base, 0x800, iomemtype);
+
+ omap_clk_adduser(clk, qemu_allocate_irqs(omap_pwl_clk_update, s, 1)[0]);
+}
+
+/* Pulse-Width Tone module */
+static uint32_t omap_pwt_read(void *opaque, target_phys_addr_t addr)
+{
+ struct omap_mpu_state_s *s = (struct omap_mpu_state_s *) opaque;
+ int offset = addr & OMAP_MPUI_REG_MASK;
+
+ switch (offset) {
+ case 0x00: /* FRC */
+ return s->pwt.frc;
+ case 0x04: /* VCR */
+ return s->pwt.vrc;
+ case 0x08: /* GCR */
+ return s->pwt.gcr;
+ }
+ OMAP_BAD_REG(addr);
+ return 0;
+}
+
+static void omap_pwt_write(void *opaque, target_phys_addr_t addr,
+ uint32_t value)
+{
+ struct omap_mpu_state_s *s = (struct omap_mpu_state_s *) opaque;
+ int offset = addr & OMAP_MPUI_REG_MASK;
+
+ switch (offset) {
+ case 0x00: /* FRC */
+ s->pwt.frc = value & 0x3f;
+ break;
+ case 0x04: /* VRC */
+ if ((value ^ s->pwt.vrc) & 1) {
+ if (value & 1)
+ printf("%s: %iHz buzz on\n", __FUNCTION__, (int)
+ /* 1.5 MHz from a 12-MHz or 13-MHz PWT_CLK */
+ ((omap_clk_getrate(s->pwt.clk) >> 3) /
+ /* Pre-multiplexer divider */
+ ((s->pwt.gcr & 2) ? 1 : 154) /
+ /* Octave multiplexer */
+ (2 << (value & 3)) *
+ /* 101/107 divider */
+ ((value & (1 << 2)) ? 101 : 107) *
+ /* 49/55 divider */
+ ((value & (1 << 3)) ? 49 : 55) *
+ /* 50/63 divider */
+ ((value & (1 << 4)) ? 50 : 63) *
+ /* 80/127 divider */
+ ((value & (1 << 5)) ? 80 : 127) /
+ (107 * 55 * 63 * 127)));
+ else
+ printf("%s: silence!\n", __FUNCTION__);
+ }
+ s->pwt.vrc = value & 0x7f;
+ break;
+ case 0x08: /* GCR */
+ s->pwt.gcr = value & 3;
+ break;
+ default:
+ OMAP_BAD_REG(addr);
+ return;
+ }
+}
+
+static CPUReadMemoryFunc *omap_pwt_readfn[] = {
+ omap_pwt_read,
+ omap_badwidth_read8,
+ omap_badwidth_read8,
+};
+
+static CPUWriteMemoryFunc *omap_pwt_writefn[] = {
+ omap_pwt_write,
+ omap_badwidth_write8,
+ omap_badwidth_write8,
+};
+
+void omap_pwt_reset(struct omap_mpu_state_s *s)
+{
+ s->pwt.frc = 0;
+ s->pwt.vrc = 0;
+ s->pwt.gcr = 0;
+}
+
+static void omap_pwt_init(target_phys_addr_t base, struct omap_mpu_state_s *s,
+ omap_clk clk)
+{
+ int iomemtype;
+
+ s->pwt.clk = clk;
+ omap_pwt_reset(s);
+
+ iomemtype = cpu_register_io_memory(0, omap_pwt_readfn,
+ omap_pwt_writefn, s);
+ cpu_register_physical_memory(base, 0x800, iomemtype);
+}
+
+/* Real-time Clock module */
+struct omap_rtc_s {
+ target_phys_addr_t base;
+ qemu_irq irq;
+ qemu_irq alarm;
+ QEMUTimer *clk;
+
+ uint8_t interrupts;
+ uint8_t status;
+ int16_t comp_reg;
+ int running;
+ int pm_am;
+ int auto_comp;
+ int round;
+ struct tm *(*convert)(const time_t *timep, struct tm *result);
+ struct tm alarm_tm;
+ time_t alarm_ti;
+
+ struct tm current_tm;
+ time_t ti;
+ uint64_t tick;
+};
+
+static void omap_rtc_interrupts_update(struct omap_rtc_s *s)
+{
+ qemu_set_irq(s->alarm, (s->status >> 6) & 1);
+}
+
+static void omap_rtc_alarm_update(struct omap_rtc_s *s)
+{
+ s->alarm_ti = mktime(&s->alarm_tm);
+ if (s->alarm_ti == -1)
+ printf("%s: conversion failed\n", __FUNCTION__);
+}
+
+static inline uint8_t omap_rtc_bcd(int num)
+{
+ return ((num / 10) << 4) | (num % 10);
+}
+
+static inline int omap_rtc_bin(uint8_t num)
+{
+ return (num & 15) + 10 * (num >> 4);
+}
+
+static uint32_t omap_rtc_read(void *opaque, target_phys_addr_t addr)
+{
+ struct omap_rtc_s *s = (struct omap_rtc_s *) opaque;
+ int offset = addr & OMAP_MPUI_REG_MASK;
+ uint8_t i;
+
+ switch (offset) {
+ case 0x00: /* SECONDS_REG */
+ return omap_rtc_bcd(s->current_tm.tm_sec);
+
+ case 0x04: /* MINUTES_REG */
+ return omap_rtc_bcd(s->current_tm.tm_min);
+
+ case 0x08: /* HOURS_REG */
+ if (s->pm_am)
+ return ((s->current_tm.tm_hour > 11) << 7) |
+ omap_rtc_bcd(((s->current_tm.tm_hour - 1) % 12) + 1);
+ else
+ return omap_rtc_bcd(s->current_tm.tm_hour);
+
+ case 0x0c: /* DAYS_REG */
+ return omap_rtc_bcd(s->current_tm.tm_mday);
+
+ case 0x10: /* MONTHS_REG */
+ return omap_rtc_bcd(s->current_tm.tm_mon + 1);
+
+ case 0x14: /* YEARS_REG */
+ return omap_rtc_bcd(s->current_tm.tm_year % 100);
+
+ case 0x18: /* WEEK_REG */
+ return s->current_tm.tm_wday;
+
+ case 0x20: /* ALARM_SECONDS_REG */
+ return omap_rtc_bcd(s->alarm_tm.tm_sec);
+
+ case 0x24: /* ALARM_MINUTES_REG */
+ return omap_rtc_bcd(s->alarm_tm.tm_min);
+
+ case 0x28: /* ALARM_HOURS_REG */
+ if (s->pm_am)
+ return ((s->alarm_tm.tm_hour > 11) << 7) |
+ omap_rtc_bcd(((s->alarm_tm.tm_hour - 1) % 12) + 1);
+ else
+ return omap_rtc_bcd(s->alarm_tm.tm_hour);
+
+ case 0x2c: /* ALARM_DAYS_REG */
+ return omap_rtc_bcd(s->alarm_tm.tm_mday);
+
+ case 0x30: /* ALARM_MONTHS_REG */
+ return omap_rtc_bcd(s->alarm_tm.tm_mon + 1);
+
+ case 0x34: /* ALARM_YEARS_REG */
+ return omap_rtc_bcd(s->alarm_tm.tm_year % 100);
+
+ case 0x40: /* RTC_CTRL_REG */
+ return (s->pm_am << 3) | (s->auto_comp << 2) |
+ (s->round << 1) | s->running;
+
+ case 0x44: /* RTC_STATUS_REG */
+ i = s->status;
+ s->status &= ~0x3d;
+ return i;
+
+ case 0x48: /* RTC_INTERRUPTS_REG */
+ return s->interrupts;
+
+ case 0x4c: /* RTC_COMP_LSB_REG */
+ return ((uint16_t) s->comp_reg) & 0xff;
+
+ case 0x50: /* RTC_COMP_MSB_REG */
+ return ((uint16_t) s->comp_reg) >> 8;
+ }
+
+ OMAP_BAD_REG(addr);
+ return 0;
+}
+
+static void omap_rtc_write(void *opaque, target_phys_addr_t addr,
+ uint32_t value)
+{
+ struct omap_rtc_s *s = (struct omap_rtc_s *) opaque;
+ int offset = addr & OMAP_MPUI_REG_MASK;
+ struct tm new_tm;
+ time_t ti[2];
+
+ switch (offset) {
+ case 0x00: /* SECONDS_REG */
+#if ALMDEBUG
+ printf("RTC SEC_REG <-- %02x\n", value);
+#endif
+ s->ti -= s->current_tm.tm_sec;
+ s->ti += omap_rtc_bin(value);
+ return;
+
+ case 0x04: /* MINUTES_REG */
+#if ALMDEBUG
+ printf("RTC MIN_REG <-- %02x\n", value);
+#endif
+ s->ti -= s->current_tm.tm_min * 60;
+ s->ti += omap_rtc_bin(value) * 60;
+ return;
+
+ case 0x08: /* HOURS_REG */
+#if ALMDEBUG
+ printf("RTC HRS_REG <-- %02x\n", value);
+#endif
+ s->ti -= s->current_tm.tm_hour * 3600;
+ if (s->pm_am) {
+ s->ti += (omap_rtc_bin(value & 0x3f) & 12) * 3600;
+ s->ti += ((value >> 7) & 1) * 43200;
+ } else
+ s->ti += omap_rtc_bin(value & 0x3f) * 3600;
+ return;
+
+ case 0x0c: /* DAYS_REG */
+#if ALMDEBUG
+ printf("RTC DAY_REG <-- %02x\n", value);
+#endif
+ s->ti -= s->current_tm.tm_mday * 86400;
+ s->ti += omap_rtc_bin(value) * 86400;
+ return;
+
+ case 0x10: /* MONTHS_REG */
+#if ALMDEBUG
+ printf("RTC MTH_REG <-- %02x\n", value);
+#endif
+ memcpy(&new_tm, &s->current_tm, sizeof(new_tm));
+ new_tm.tm_mon = omap_rtc_bin(value);
+ ti[0] = mktime(&s->current_tm);
+ ti[1] = mktime(&new_tm);
+
+ if (ti[0] != -1 && ti[1] != -1) {
+ s->ti -= ti[0];
+ s->ti += ti[1];
+ } else {
+ /* A less accurate version */
+ s->ti -= s->current_tm.tm_mon * 2592000;
+ s->ti += omap_rtc_bin(value) * 2592000;
+ }
+ return;
+
+ case 0x14: /* YEARS_REG */
+#if ALMDEBUG
+ printf("RTC YRS_REG <-- %02x\n", value);
+#endif
+ memcpy(&new_tm, &s->current_tm, sizeof(new_tm));
+ new_tm.tm_year += omap_rtc_bin(value) - (new_tm.tm_year % 100);
+ ti[0] = mktime(&s->current_tm);
+ ti[1] = mktime(&new_tm);
+
+ if (ti[0] != -1 && ti[1] != -1) {
+ s->ti -= ti[0];
+ s->ti += ti[1];
+ } else {
+ /* A less accurate version */
+ s->ti -= (s->current_tm.tm_year % 100) * 31536000;
+ s->ti += omap_rtc_bin(value) * 31536000;
+ }
+ return;
+
+ case 0x18: /* WEEK_REG */
+ return; /* Ignored */
+
+ case 0x20: /* ALARM_SECONDS_REG */
+#if ALMDEBUG
+ printf("ALM SEC_REG <-- %02x\n", value);
+#endif
+ s->alarm_tm.tm_sec = omap_rtc_bin(value);
+ omap_rtc_alarm_update(s);
+ return;
+
+ case 0x24: /* ALARM_MINUTES_REG */
+#if ALMDEBUG
+ printf("ALM MIN_REG <-- %02x\n", value);
+#endif
+ s->alarm_tm.tm_min = omap_rtc_bin(value);
+ omap_rtc_alarm_update(s);
+ return;
+
+ case 0x28: /* ALARM_HOURS_REG */
+#if ALMDEBUG
+ printf("ALM HRS_REG <-- %02x\n", value);
+#endif
+ if (s->pm_am)
+ s->alarm_tm.tm_hour =
+ ((omap_rtc_bin(value & 0x3f)) % 12) +
+ ((value >> 7) & 1) * 12;
+ else
+ s->alarm_tm.tm_hour = omap_rtc_bin(value);
+ omap_rtc_alarm_update(s);
+ return;
+
+ case 0x2c: /* ALARM_DAYS_REG */
+#if ALMDEBUG
+ printf("ALM DAY_REG <-- %02x\n", value);
+#endif
+ s->alarm_tm.tm_mday = omap_rtc_bin(value);
+ omap_rtc_alarm_update(s);
+ return;
+
+ case 0x30: /* ALARM_MONTHS_REG */
+#if ALMDEBUG
+ printf("ALM MON_REG <-- %02x\n", value);
+#endif
+ s->alarm_tm.tm_mon = omap_rtc_bin(value);
+ omap_rtc_alarm_update(s);
+ return;
+
+ case 0x34: /* ALARM_YEARS_REG */
+#if ALMDEBUG
+ printf("ALM YRS_REG <-- %02x\n", value);
+#endif
+ s->alarm_tm.tm_year = omap_rtc_bin(value);
+ omap_rtc_alarm_update(s);
+ return;
+
+ case 0x40: /* RTC_CTRL_REG */
+#if ALMDEBUG
+ printf("RTC CONTROL <-- %02x\n", value);
+#endif
+ s->pm_am = (value >> 3) & 1;
+ s->auto_comp = (value >> 2) & 1;
+ s->round = (value >> 1) & 1;
+ s->running = value & 1;
+ s->status &= 0xfd;
+ s->status |= s->running << 1;
+ return;
+
+ case 0x44: /* RTC_STATUS_REG */
+#if ALMDEBUG
+ printf("RTC STATUSL <-- %02x\n", value);
+#endif
+ s->status &= ~((value & 0xc0) ^ 0x80);
+ omap_rtc_interrupts_update(s);
+ return;
+
+ case 0x48: /* RTC_INTERRUPTS_REG */
+#if ALMDEBUG
+ printf("RTC INTRS <-- %02x\n", value);
+#endif
+ s->interrupts = value;
+ return;
+
+ case 0x4c: /* RTC_COMP_LSB_REG */
+#if ALMDEBUG
+ printf("RTC COMPLSB <-- %02x\n", value);
+#endif
+ s->comp_reg &= 0xff00;
+ s->comp_reg |= 0x00ff & value;
+ return;
+
+ case 0x50: /* RTC_COMP_MSB_REG */
+#if ALMDEBUG
+ printf("RTC COMPMSB <-- %02x\n", value);
+#endif
+ s->comp_reg &= 0x00ff;
+ s->comp_reg |= 0xff00 & (value << 8);
+ return;
+
+ default:
+ OMAP_BAD_REG(addr);
+ return;
+ }
+}
+
+static CPUReadMemoryFunc *omap_rtc_readfn[] = {
+ omap_rtc_read,
+ omap_badwidth_read8,
+ omap_badwidth_read8,
+};
+
+static CPUWriteMemoryFunc *omap_rtc_writefn[] = {
+ omap_rtc_write,
+ omap_badwidth_write8,
+ omap_badwidth_write8,
+};
+
+static void omap_rtc_tick(void *opaque)
+{
+ struct omap_rtc_s *s = opaque;
+
+ if (s->round) {
+ /* Round to nearest full minute. */
+ if (s->current_tm.tm_sec < 30)
+ s->ti -= s->current_tm.tm_sec;
+ else
+ s->ti += 60 - s->current_tm.tm_sec;
+
+ s->round = 0;
+ }
+
+ localtime_r(&s->ti, &s->current_tm);
+
+ if ((s->interrupts & 0x08) && s->ti == s->alarm_ti) {
+ s->status |= 0x40;
+ omap_rtc_interrupts_update(s);
+ }
+
+ if (s->interrupts & 0x04)
+ switch (s->interrupts & 3) {
+ case 0:
+ s->status |= 0x04;
+ qemu_irq_raise(s->irq);
+ break;
+ case 1:
+ if (s->current_tm.tm_sec)
+ break;
+ s->status |= 0x08;
+ qemu_irq_raise(s->irq);
+ break;
+ case 2:
+ if (s->current_tm.tm_sec || s->current_tm.tm_min)
+ break;
+ s->status |= 0x10;
+ qemu_irq_raise(s->irq);
+ break;
+ case 3:
+ if (s->current_tm.tm_sec ||
+ s->current_tm.tm_min || s->current_tm.tm_hour)
+ break;
+ s->status |= 0x20;
+ qemu_irq_raise(s->irq);
+ break;
+ }
+
+ /* Move on */
+ if (s->running)
+ s->ti ++;
+ s->tick += 1000;
+
+ /*
+ * Every full hour add a rough approximation of the compensation
+ * register to the 32kHz Timer (which drives the RTC) value.
+ */
+ if (s->auto_comp && !s->current_tm.tm_sec && !s->current_tm.tm_min)
+ s->tick += s->comp_reg * 1000 / 32768;
+
+ qemu_mod_timer(s->clk, s->tick);
+}
+
+void omap_rtc_reset(struct omap_rtc_s *s)
+{
+ s->interrupts = 0;
+ s->comp_reg = 0;
+ s->running = 0;
+ s->pm_am = 0;
+ s->auto_comp = 0;
+ s->round = 0;
+ s->tick = qemu_get_clock(rt_clock);
+ memset(&s->alarm_tm, 0, sizeof(s->alarm_tm));
+ s->alarm_tm.tm_mday = 0x01;
+ s->status = 1 << 7;
+ time(&s->ti);
+ s->ti = mktime(s->convert(&s->ti, &s->current_tm));
+
+ omap_rtc_alarm_update(s);
+ omap_rtc_tick(s);
+}
+
+struct omap_rtc_s *omap_rtc_init(target_phys_addr_t base,
+ qemu_irq *irq, omap_clk clk)
+{
+ int iomemtype;
+ struct omap_rtc_s *s = (struct omap_rtc_s *)
+ qemu_mallocz(sizeof(struct omap_rtc_s));
+
+ s->base = base;
+ s->irq = irq[0];
+ s->alarm = irq[1];
+ s->clk = qemu_new_timer(rt_clock, omap_rtc_tick, s);
+ s->convert = rtc_utc ? gmtime_r : localtime_r;
+
+ omap_rtc_reset(s);
+
+ iomemtype = cpu_register_io_memory(0, omap_rtc_readfn,
+ omap_rtc_writefn, s);
+ cpu_register_physical_memory(s->base, 0x800, iomemtype);
+
+ return s;
+}
+
+/* Multi-channel Buffered Serial Port interfaces */
+struct omap_mcbsp_s {
+ target_phys_addr_t base;
+ qemu_irq txirq;
+ qemu_irq rxirq;
+ qemu_irq txdrq;
+ qemu_irq rxdrq;
+
+ uint16_t spcr[2];
+ uint16_t rcr[2];
+ uint16_t xcr[2];
+ uint16_t srgr[2];
+ uint16_t mcr[2];
+ uint16_t pcr;
+ uint16_t rcer[8];
+ uint16_t xcer[8];
+ int tx_rate;
+ int rx_rate;
+ int tx_req;
+
+ struct i2s_codec_s *codec;
+};
+
+static void omap_mcbsp_intr_update(struct omap_mcbsp_s *s)
+{
+ int irq;
+
+ switch ((s->spcr[0] >> 4) & 3) { /* RINTM */
+ case 0:
+ irq = (s->spcr[0] >> 1) & 1; /* RRDY */
+ break;
+ case 3:
+ irq = (s->spcr[0] >> 3) & 1; /* RSYNCERR */
+ break;
+ default:
+ irq = 0;
+ break;
+ }
+
+ qemu_set_irq(s->rxirq, irq);
+
+ switch ((s->spcr[1] >> 4) & 3) { /* XINTM */
+ case 0:
+ irq = (s->spcr[1] >> 1) & 1; /* XRDY */
+ break;
+ case 3:
+ irq = (s->spcr[1] >> 3) & 1; /* XSYNCERR */
+ break;
+ default:
+ irq = 0;
+ break;
+ }
+
+ qemu_set_irq(s->txirq, irq);
+}
+
+static void omap_mcbsp_req_update(struct omap_mcbsp_s *s)
+{
+ int prev = s->tx_req;
+
+ s->tx_req = (s->tx_rate ||
+ (s->spcr[0] & (1 << 12))) && /* CLKSTP */
+ (s->spcr[1] & (1 << 6)) && /* GRST */
+ (s->spcr[1] & (1 << 0)); /* XRST */
+
+ if (!s->tx_req && prev) {
+ s->spcr[1] &= ~(1 << 1); /* XRDY */
+ qemu_irq_lower(s->txdrq);
+ omap_mcbsp_intr_update(s);
+
+ if (s->codec)
+ s->codec->tx_swallow(s->codec->opaque);
+ } else if (s->codec && s->tx_req && !prev) {
+ s->spcr[1] |= 1 << 1; /* XRDY */
+ qemu_irq_raise(s->txdrq);
+ omap_mcbsp_intr_update(s);
+ }
+}
+
+static void omap_mcbsp_rate_update(struct omap_mcbsp_s *s)
+{
+ int rx_clk = 0, tx_clk = 0;
+ int cpu_rate = 1500000; /* XXX */
+ if (!s->codec)
+ return;
+
+ if (s->spcr[1] & (1 << 6)) { /* GRST */
+ if (s->spcr[0] & (1 << 0)) /* RRST */
+ if ((s->srgr[1] & (1 << 13)) && /* CLKSM */
+ (s->pcr & (1 << 8))) /* CLKRM */
+ if (~s->pcr & (1 << 7)) /* SCLKME */
+ rx_clk = cpu_rate /
+ ((s->srgr[0] & 0xff) + 1); /* CLKGDV */
+ if (s->spcr[1] & (1 << 0)) /* XRST */
+ if ((s->srgr[1] & (1 << 13)) && /* CLKSM */
+ (s->pcr & (1 << 9))) /* CLKXM */
+ if (~s->pcr & (1 << 7)) /* SCLKME */
+ tx_clk = cpu_rate /
+ ((s->srgr[0] & 0xff) + 1); /* CLKGDV */
+ }
+
+ s->codec->set_rate(s->codec->opaque, rx_clk, tx_clk);
+}
+
+static void omap_mcbsp_rx_start(struct omap_mcbsp_s *s)
+{
+ if (!(s->spcr[0] & 1)) { /* RRST */
+ if (s->codec)
+ s->codec->in.len = 0;
+ return;
+ }
+
+ if ((s->spcr[0] >> 1) & 1) /* RRDY */
+ s->spcr[0] |= 1 << 2; /* RFULL */
+ s->spcr[0] |= 1 << 1; /* RRDY */
+ qemu_irq_raise(s->rxdrq);
+ omap_mcbsp_intr_update(s);
+}
+
+static void omap_mcbsp_rx_stop(struct omap_mcbsp_s *s)
+{
+ s->spcr[0] &= ~(1 << 1); /* RRDY */
+ qemu_irq_lower(s->rxdrq);
+ omap_mcbsp_intr_update(s);
+}
+
+static void omap_mcbsp_tx_start(struct omap_mcbsp_s *s)
+{
+ if (s->tx_rate)
+ return;
+ s->tx_rate = 1;
+ omap_mcbsp_req_update(s);
+}
+
+static void omap_mcbsp_tx_stop(struct omap_mcbsp_s *s)
+{
+ s->tx_rate = 0;
+ omap_mcbsp_req_update(s);
+}
+
+static uint32_t omap_mcbsp_read(void *opaque, target_phys_addr_t addr)
+{
+ struct omap_mcbsp_s *s = (struct omap_mcbsp_s *) opaque;
+ int offset = addr & OMAP_MPUI_REG_MASK;
+ uint16_t ret;
+
+ switch (offset) {
+ case 0x00: /* DRR2 */
+ if (((s->rcr[0] >> 5) & 7) < 3) /* RWDLEN1 */
+ return 0x0000;
+ /* Fall through. */
+ case 0x02: /* DRR1 */
+ if (!s->codec)
+ return 0x0000;
+ if (s->codec->in.len < 2) {
+ printf("%s: Rx FIFO underrun\n", __FUNCTION__);
+ omap_mcbsp_rx_stop(s);
+ } else {
+ s->codec->in.len -= 2;
+ ret = s->codec->in.fifo[s->codec->in.start ++] << 8;
+ ret |= s->codec->in.fifo[s->codec->in.start ++];
+ if (!s->codec->in.len)
+ omap_mcbsp_rx_stop(s);
+ return ret;
+ }
+ return 0x0000;
+
+ case 0x04: /* DXR2 */
+ case 0x06: /* DXR1 */
+ return 0x0000;
+
+ case 0x08: /* SPCR2 */
+ return s->spcr[1];
+ case 0x0a: /* SPCR1 */
+ return s->spcr[0];
+ case 0x0c: /* RCR2 */
+ return s->rcr[1];
+ case 0x0e: /* RCR1 */
+ return s->rcr[0];
+ case 0x10: /* XCR2 */
+ return s->xcr[1];
+ case 0x12: /* XCR1 */
+ return s->xcr[0];
+ case 0x14: /* SRGR2 */
+ return s->srgr[1];
+ case 0x16: /* SRGR1 */
+ return s->srgr[0];
+ case 0x18: /* MCR2 */
+ return s->mcr[1];
+ case 0x1a: /* MCR1 */
+ return s->mcr[0];
+ case 0x1c: /* RCERA */
+ return s->rcer[0];
+ case 0x1e: /* RCERB */
+ return s->rcer[1];
+ case 0x20: /* XCERA */
+ return s->xcer[0];
+ case 0x22: /* XCERB */
+ return s->xcer[1];
+ case 0x24: /* PCR0 */
+ return s->pcr;
+ case 0x26: /* RCERC */
+ return s->rcer[2];
+ case 0x28: /* RCERD */
+ return s->rcer[3];
+ case 0x2a: /* XCERC */
+ return s->xcer[2];
+ case 0x2c: /* XCERD */
+ return s->xcer[3];
+ case 0x2e: /* RCERE */
+ return s->rcer[4];
+ case 0x30: /* RCERF */
+ return s->rcer[5];
+ case 0x32: /* XCERE */
+ return s->xcer[4];
+ case 0x34: /* XCERF */
+ return s->xcer[5];
+ case 0x36: /* RCERG */
+ return s->rcer[6];
+ case 0x38: /* RCERH */
+ return s->rcer[7];
+ case 0x3a: /* XCERG */
+ return s->xcer[6];
+ case 0x3c: /* XCERH */
+ return s->xcer[7];
+ }
+
+ OMAP_BAD_REG(addr);
+ return 0;
+}
+
+static void omap_mcbsp_write(void *opaque, target_phys_addr_t addr,
+ uint32_t value)
+{
+ struct omap_mcbsp_s *s = (struct omap_mcbsp_s *) opaque;
+ int offset = addr & OMAP_MPUI_REG_MASK;
+
+ switch (offset) {
+ case 0x00: /* DRR2 */
+ case 0x02: /* DRR1 */
+ OMAP_RO_REG(addr);
+ return;
+
+ case 0x04: /* DXR2 */
+ if (((s->xcr[0] >> 5) & 7) < 3) /* XWDLEN1 */
+ return;
+ /* Fall through. */
+ case 0x06: /* DXR1 */
+ if (!s->codec)
+ return;
+ if (s->tx_req) {
+ if (s->codec->out.len > s->codec->out.size - 2) {
+ printf("%s: Tx FIFO overrun\n", __FUNCTION__);
+ omap_mcbsp_tx_stop(s);
+ } else {
+ s->codec->out.fifo[s->codec->out.len ++] = (value >> 8) & 0xff;
+ s->codec->out.fifo[s->codec->out.len ++] = (value >> 0) & 0xff;
+ if (s->codec->out.len >= s->codec->out.size)
+ omap_mcbsp_tx_stop(s);
+ }
+ } else
+ printf("%s: Tx FIFO overrun\n", __FUNCTION__);
+ return;
+
+ case 0x08: /* SPCR2 */
+ s->spcr[1] &= 0x0002;
+ s->spcr[1] |= 0x03f9 & value;
+ s->spcr[1] |= 0x0004 & (value << 2); /* XEMPTY := XRST */
+ if (~value & 1) { /* XRST */
+ s->spcr[1] &= ~6;
+ qemu_irq_lower(s->rxdrq);
+ if (s->codec)
+ s->codec->out.len = 0;
+ }
+ if (s->codec)
+ omap_mcbsp_rate_update(s);
+ omap_mcbsp_req_update(s);
+ return;
+ case 0x0a: /* SPCR1 */
+ s->spcr[0] &= 0x0006;
+ s->spcr[0] |= 0xf8f9 & value;
+ if (value & (1 << 15)) /* DLB */
+ printf("%s: Digital Loopback mode enable attempt\n", __FUNCTION__);
+ if (~value & 1) { /* RRST */
+ s->spcr[0] &= ~6;
+ qemu_irq_lower(s->txdrq);
+ if (s->codec)
+ s->codec->in.len = 0;
+ }
+ if (s->codec)
+ omap_mcbsp_rate_update(s);
+ omap_mcbsp_req_update(s);
+ return;
+
+ case 0x0c: /* RCR2 */
+ s->rcr[1] = value & 0xffff;
+ return;
+ case 0x0e: /* RCR1 */
+ s->rcr[0] = value & 0x7fe0;
+ return;
+ case 0x10: /* XCR2 */
+ s->xcr[1] = value & 0xffff;
+ return;
+ case 0x12: /* XCR1 */
+ s->xcr[0] = value & 0x7fe0;
+ return;
+ case 0x14: /* SRGR2 */
+ s->srgr[1] = value & 0xffff;
+ omap_mcbsp_rate_update(s);
+ return;
+ case 0x16: /* SRGR1 */
+ s->srgr[0] = value & 0xffff;
+ omap_mcbsp_rate_update(s);
+ return;
+ case 0x18: /* MCR2 */
+ s->mcr[1] = value & 0x03e3;
+ if (value & 3) /* XMCM */
+ printf("%s: Tx channel selection mode enable attempt\n",
+ __FUNCTION__);
+ return;
+ case 0x1a: /* MCR1 */
+ s->mcr[0] = value & 0x03e1;
+ if (value & 1) /* RMCM */
+ printf("%s: Rx channel selection mode enable attempt\n",
+ __FUNCTION__);
+ return;
+ case 0x1c: /* RCERA */
+ s->rcer[0] = value & 0xffff;
+ return;
+ case 0x1e: /* RCERB */
+ s->rcer[1] = value & 0xffff;
+ return;
+ case 0x20: /* XCERA */
+ s->xcer[0] = value & 0xffff;
+ return;
+ case 0x22: /* XCERB */
+ s->xcer[1] = value & 0xffff;
+ return;
+ case 0x24: /* PCR0 */
+ s->pcr = value & 0x7faf;
+ return;
+ case 0x26: /* RCERC */
+ s->rcer[2] = value & 0xffff;
+ return;
+ case 0x28: /* RCERD */
+ s->rcer[3] = value & 0xffff;
+ return;
+ case 0x2a: /* XCERC */
+ s->xcer[2] = value & 0xffff;
+ return;
+ case 0x2c: /* XCERD */
+ s->xcer[3] = value & 0xffff;
+ return;
+ case 0x2e: /* RCERE */
+ s->rcer[4] = value & 0xffff;
+ return;
+ case 0x30: /* RCERF */
+ s->rcer[5] = value & 0xffff;
+ return;
+ case 0x32: /* XCERE */
+ s->xcer[4] = value & 0xffff;
+ return;
+ case 0x34: /* XCERF */
+ s->xcer[5] = value & 0xffff;
+ return;
+ case 0x36: /* RCERG */
+ s->rcer[6] = value & 0xffff;
+ return;
+ case 0x38: /* RCERH */
+ s->rcer[7] = value & 0xffff;
+ return;
+ case 0x3a: /* XCERG */
+ s->xcer[6] = value & 0xffff;
+ return;
+ case 0x3c: /* XCERH */
+ s->xcer[7] = value & 0xffff;
+ return;
+ }
+
+ OMAP_BAD_REG(addr);
+}
+
+static CPUReadMemoryFunc *omap_mcbsp_readfn[] = {
+ omap_badwidth_read16,
+ omap_mcbsp_read,
+ omap_badwidth_read16,
+};
+
+static CPUWriteMemoryFunc *omap_mcbsp_writefn[] = {
+ omap_badwidth_write16,
+ omap_mcbsp_write,
+ omap_badwidth_write16,
+};
+
+static void omap_mcbsp_reset(struct omap_mcbsp_s *s)
+{
+ memset(&s->spcr, 0, sizeof(s->spcr));
+ memset(&s->rcr, 0, sizeof(s->rcr));
+ memset(&s->xcr, 0, sizeof(s->xcr));
+ s->srgr[0] = 0x0001;
+ s->srgr[1] = 0x2000;
+ memset(&s->mcr, 0, sizeof(s->mcr));
+ memset(&s->pcr, 0, sizeof(s->pcr));
+ memset(&s->rcer, 0, sizeof(s->rcer));
+ memset(&s->xcer, 0, sizeof(s->xcer));
+ s->tx_req = 0;
+ s->tx_rate = 0;
+ s->rx_rate = 0;
+}
+
+struct omap_mcbsp_s *omap_mcbsp_init(target_phys_addr_t base,
+ qemu_irq *irq, qemu_irq *dma, omap_clk clk)
+{
+ int iomemtype;
+ struct omap_mcbsp_s *s = (struct omap_mcbsp_s *)
+ qemu_mallocz(sizeof(struct omap_mcbsp_s));
+
+ s->base = base;
+ s->txirq = irq[0];
+ s->rxirq = irq[1];
+ s->txdrq = dma[0];
+ s->rxdrq = dma[1];
+ omap_mcbsp_reset(s);
+
+ iomemtype = cpu_register_io_memory(0, omap_mcbsp_readfn,
+ omap_mcbsp_writefn, s);
+ cpu_register_physical_memory(s->base, 0x800, iomemtype);
+
+ return s;
+}
+
+void omap_mcbsp_i2s_swallow(void *opaque, int line, int level)
+{
+ struct omap_mcbsp_s *s = (struct omap_mcbsp_s *) opaque;
+
+ omap_mcbsp_rx_start(s);
+}
+
+void omap_mcbsp_i2s_start(void *opaque, int line, int level)
+{
+ struct omap_mcbsp_s *s = (struct omap_mcbsp_s *) opaque;
+
+ omap_mcbsp_tx_start(s);
+}
+
+void omap_mcbsp_i2s_attach(struct omap_mcbsp_s *s, struct i2s_codec_s *slave)
+{
+ s->codec = slave;
+ slave->rx_swallow = qemu_allocate_irqs(omap_mcbsp_i2s_swallow, s, 1)[0];
+ slave->tx_start = qemu_allocate_irqs(omap_mcbsp_i2s_start, s, 1)[0];
+}
+
+/* General chip reset */
+static void omap_mpu_reset(void *opaque)
+{
+ struct omap_mpu_state_s *mpu = (struct omap_mpu_state_s *) opaque;
+
+ omap_clkm_reset(mpu);
+ omap_inth_reset(mpu->ih[0]);
+ omap_inth_reset(mpu->ih[1]);
+ omap_dma_reset(mpu->dma);
+ omap_mpu_timer_reset(mpu->timer[0]);
+ omap_mpu_timer_reset(mpu->timer[1]);
+ omap_mpu_timer_reset(mpu->timer[2]);
+ omap_wd_timer_reset(mpu->wdt);
+ omap_os_timer_reset(mpu->os_timer);
+ omap_lcdc_reset(mpu->lcd);
+ omap_ulpd_pm_reset(mpu);
+ omap_pin_cfg_reset(mpu);
+ omap_mpui_reset(mpu);
+ omap_tipb_bridge_reset(mpu->private_tipb);
+ omap_tipb_bridge_reset(mpu->public_tipb);
+ omap_dpll_reset(&mpu->dpll[0]);
+ omap_dpll_reset(&mpu->dpll[1]);
+ omap_dpll_reset(&mpu->dpll[2]);
+ omap_uart_reset(mpu->uart[0]);
+ omap_uart_reset(mpu->uart[1]);
+ omap_uart_reset(mpu->uart[2]);
+ omap_mmc_reset(mpu->mmc);
+ omap_mpuio_reset(mpu->mpuio);
+ omap_gpio_reset(mpu->gpio);
+ omap_uwire_reset(mpu->microwire);
+ omap_pwl_reset(mpu);
+ omap_pwt_reset(mpu);
+ omap_i2c_reset(mpu->i2c);
+ omap_rtc_reset(mpu->rtc);
+ omap_mcbsp_reset(mpu->mcbsp1);
+ omap_mcbsp_reset(mpu->mcbsp2);
+ omap_mcbsp_reset(mpu->mcbsp3);
+ cpu_reset(mpu->env);
+}
+
+static const struct omap_map_s {
+ target_phys_addr_t phys_dsp;
+ target_phys_addr_t phys_mpu;
+ uint32_t size;
+ const char *name;
+} omap15xx_dsp_mm[] = {
+ /* Strobe 0 */
+ { 0xe1010000, 0xfffb0000, 0x800, "UART1 BT" }, /* CS0 */
+ { 0xe1010800, 0xfffb0800, 0x800, "UART2 COM" }, /* CS1 */
+ { 0xe1011800, 0xfffb1800, 0x800, "McBSP1 audio" }, /* CS3 */
+ { 0xe1012000, 0xfffb2000, 0x800, "MCSI2 communication" }, /* CS4 */
+ { 0xe1012800, 0xfffb2800, 0x800, "MCSI1 BT u-Law" }, /* CS5 */
+ { 0xe1013000, 0xfffb3000, 0x800, "uWire" }, /* CS6 */
+ { 0xe1013800, 0xfffb3800, 0x800, "I^2C" }, /* CS7 */
+ { 0xe1014000, 0xfffb4000, 0x800, "USB W2FC" }, /* CS8 */
+ { 0xe1014800, 0xfffb4800, 0x800, "RTC" }, /* CS9 */
+ { 0xe1015000, 0xfffb5000, 0x800, "MPUIO" }, /* CS10 */
+ { 0xe1015800, 0xfffb5800, 0x800, "PWL" }, /* CS11 */
+ { 0xe1016000, 0xfffb6000, 0x800, "PWT" }, /* CS12 */
+ { 0xe1017000, 0xfffb7000, 0x800, "McBSP3" }, /* CS14 */
+ { 0xe1017800, 0xfffb7800, 0x800, "MMC" }, /* CS15 */
+ { 0xe1019000, 0xfffb9000, 0x800, "32-kHz timer" }, /* CS18 */
+ { 0xe1019800, 0xfffb9800, 0x800, "UART3" }, /* CS19 */
+ { 0xe101c800, 0xfffbc800, 0x800, "TIPB switches" }, /* CS25 */
+ /* Strobe 1 */
+ { 0xe101e000, 0xfffce000, 0x800, "GPIOs" }, /* CS28 */
+
+ { 0 }
+};
+
+static void omap_setup_dsp_mapping(const struct omap_map_s *map)
+{
+ int io;
+
+ for (; map->phys_dsp; map ++) {
+ io = cpu_get_physical_page_desc(map->phys_mpu);
+
+ cpu_register_physical_memory(map->phys_dsp, map->size, io);
+ }
+}
+
+static void omap_mpu_wakeup(void *opaque, int irq, int req)
+{
+ struct omap_mpu_state_s *mpu = (struct omap_mpu_state_s *) opaque;
+
+ if (mpu->env->halted)
+ cpu_interrupt(mpu->env, CPU_INTERRUPT_EXITTB);
+}
+
+struct omap_mpu_state_s *omap310_mpu_init(unsigned long sdram_size,
+ DisplayState *ds, const char *core)
+{
+ struct omap_mpu_state_s *s = (struct omap_mpu_state_s *)
+ qemu_mallocz(sizeof(struct omap_mpu_state_s));
+ ram_addr_t imif_base, emiff_base;
+
+ if (!core)
+ core = "ti925t";
+
+ /* Core */
+ s->mpu_model = omap310;
+ s->env = cpu_init(core);
+ if (!s->env) {
+ fprintf(stderr, "Unable to find CPU definition\n");
+ exit(1);
+ }
+ s->sdram_size = sdram_size;
+ s->sram_size = OMAP15XX_SRAM_SIZE;
+
+ s->wakeup = qemu_allocate_irqs(omap_mpu_wakeup, s, 1)[0];
+
+ /* Clocks */
+ omap_clk_init(s);
+
+ /* Memory-mapped stuff */
+ cpu_register_physical_memory(OMAP_EMIFF_BASE, s->sdram_size,
+ (emiff_base = qemu_ram_alloc(s->sdram_size)) | IO_MEM_RAM);
+ cpu_register_physical_memory(OMAP_IMIF_BASE, s->sram_size,
+ (imif_base = qemu_ram_alloc(s->sram_size)) | IO_MEM_RAM);
+
+ omap_clkm_init(0xfffece00, 0xe1008000, s);
+
+ s->ih[0] = omap_inth_init(0xfffecb00, 0x100,
+ arm_pic_init_cpu(s->env),
+ omap_findclk(s, "arminth_ck"));
+ s->ih[1] = omap_inth_init(0xfffe0000, 0x800,
+ &s->ih[0]->pins[OMAP_INT_15XX_IH2_IRQ],
+ omap_findclk(s, "arminth_ck"));
+ s->irq[0] = s->ih[0]->pins;
+ s->irq[1] = s->ih[1]->pins;
+
+ s->dma = omap_dma_init(0xfffed800, s->irq[0], s,
+ omap_findclk(s, "dma_ck"));
+ s->port[emiff ].addr_valid = omap_validate_emiff_addr;
+ s->port[emifs ].addr_valid = omap_validate_emifs_addr;
+ s->port[imif ].addr_valid = omap_validate_imif_addr;
+ s->port[tipb ].addr_valid = omap_validate_tipb_addr;
+ s->port[local ].addr_valid = omap_validate_local_addr;
+ s->port[tipb_mpui].addr_valid = omap_validate_tipb_mpui_addr;
+
+ s->timer[0] = omap_mpu_timer_init(0xfffec500,
+ s->irq[0][OMAP_INT_TIMER1],
+ omap_findclk(s, "mputim_ck"));
+ s->timer[1] = omap_mpu_timer_init(0xfffec600,
+ s->irq[0][OMAP_INT_TIMER2],
+ omap_findclk(s, "mputim_ck"));
+ s->timer[2] = omap_mpu_timer_init(0xfffec700,
+ s->irq[0][OMAP_INT_TIMER3],
+ omap_findclk(s, "mputim_ck"));
+
+ s->wdt = omap_wd_timer_init(0xfffec800,
+ s->irq[0][OMAP_INT_WD_TIMER],
+ omap_findclk(s, "armwdt_ck"));
+
+ s->os_timer = omap_os_timer_init(0xfffb9000,
+ s->irq[1][OMAP_INT_OS_TIMER],
+ omap_findclk(s, "clk32-kHz"));
+
+ s->lcd = omap_lcdc_init(0xfffec000, s->irq[0][OMAP_INT_LCD_CTRL],
+ &s->dma->lcd_ch, ds, imif_base, emiff_base,
+ omap_findclk(s, "lcd_ck"));
+
+ omap_ulpd_pm_init(0xfffe0800, s);
+ omap_pin_cfg_init(0xfffe1000, s);
+ omap_id_init(s);
+
+ omap_mpui_init(0xfffec900, s);
+
+ s->private_tipb = omap_tipb_bridge_init(0xfffeca00,
+ s->irq[0][OMAP_INT_BRIDGE_PRIV],
+ omap_findclk(s, "tipb_ck"));
+ s->public_tipb = omap_tipb_bridge_init(0xfffed300,
+ s->irq[0][OMAP_INT_BRIDGE_PUB],
+ omap_findclk(s, "tipb_ck"));
+
+ omap_tcmi_init(0xfffecc00, s);
+
+ s->uart[0] = omap_uart_init(0xfffb0000, s->irq[1][OMAP_INT_UART1],
+ omap_findclk(s, "uart1_ck"),
+ serial_hds[0]);
+ s->uart[1] = omap_uart_init(0xfffb0800, s->irq[1][OMAP_INT_UART2],
+ omap_findclk(s, "uart2_ck"),
+ serial_hds[0] ? serial_hds[1] : 0);
+ s->uart[2] = omap_uart_init(0xe1019800, s->irq[0][OMAP_INT_UART3],
+ omap_findclk(s, "uart3_ck"),
+ serial_hds[0] && serial_hds[1] ? serial_hds[2] : 0);
+
+ omap_dpll_init(&s->dpll[0], 0xfffecf00, omap_findclk(s, "dpll1"));
+ omap_dpll_init(&s->dpll[1], 0xfffed000, omap_findclk(s, "dpll2"));
+ omap_dpll_init(&s->dpll[2], 0xfffed100, omap_findclk(s, "dpll3"));
+
+ s->mmc = omap_mmc_init(0xfffb7800, s->irq[1][OMAP_INT_OQN],
+ &s->drq[OMAP_DMA_MMC_TX], omap_findclk(s, "mmc_ck"));
+
+ s->mpuio = omap_mpuio_init(0xfffb5000,
+ s->irq[1][OMAP_INT_KEYBOARD], s->irq[1][OMAP_INT_MPUIO],
+ s->wakeup, omap_findclk(s, "clk32-kHz"));
+
+ s->gpio = omap_gpio_init(0xfffce000, s->irq[0][OMAP_INT_GPIO_BANK1],
+ omap_findclk(s, "arm_gpio_ck"));
+
+ s->microwire = omap_uwire_init(0xfffb3000, &s->irq[1][OMAP_INT_uWireTX],
+ s->drq[OMAP_DMA_UWIRE_TX], omap_findclk(s, "mpuper_ck"));
+
+ omap_pwl_init(0xfffb5800, s, omap_findclk(s, "armxor_ck"));
+ omap_pwt_init(0xfffb6000, s, omap_findclk(s, "armxor_ck"));
+
+ s->i2c = omap_i2c_init(0xfffb3800, s->irq[1][OMAP_INT_I2C],
+ &s->drq[OMAP_DMA_I2C_RX], omap_findclk(s, "mpuper_ck"));
+
+ s->rtc = omap_rtc_init(0xfffb4800, &s->irq[1][OMAP_INT_RTC_TIMER],
+ omap_findclk(s, "clk32-kHz"));
+
+ s->mcbsp1 = omap_mcbsp_init(0xfffb1800, &s->irq[1][OMAP_INT_McBSP1TX],
+ &s->drq[OMAP_DMA_MCBSP1_TX], omap_findclk(s, "dspxor_ck"));
+ s->mcbsp2 = omap_mcbsp_init(0xfffb1000, &s->irq[0][OMAP_INT_310_McBSP2_TX],
+ &s->drq[OMAP_DMA_MCBSP2_TX], omap_findclk(s, "mpuper_ck"));
+ s->mcbsp3 = omap_mcbsp_init(0xfffb7000, &s->irq[1][OMAP_INT_McBSP3TX],
+ &s->drq[OMAP_DMA_MCBSP3_TX], omap_findclk(s, "dspxor_ck"));
+
+ /* Register mappings not currenlty implemented:
+ * MCSI2 Comm fffb2000 - fffb27ff (not mapped on OMAP310)
+ * MCSI1 Bluetooth fffb2800 - fffb2fff (not mapped on OMAP310)
+ * USB W2FC fffb4000 - fffb47ff
+ * Camera Interface fffb6800 - fffb6fff
+ * USB Host fffba000 - fffba7ff
+ * FAC fffba800 - fffbafff
+ * HDQ/1-Wire fffbc000 - fffbc7ff
+ * TIPB switches fffbc800 - fffbcfff
+ * LED1 fffbd000 - fffbd7ff
+ * LED2 fffbd800 - fffbdfff
+ * Mailbox fffcf000 - fffcf7ff
+ * Local bus IF fffec100 - fffec1ff
+ * Local bus MMU fffec200 - fffec2ff
+ * DSP MMU fffed200 - fffed2ff
+ */
+
+ omap_setup_dsp_mapping(omap15xx_dsp_mm);
+
+ qemu_register_reset(omap_mpu_reset, s);
return s;
}
projects / qemu / blobdiff