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-rw-r--r--hw/omap.c1147
-rw-r--r--hw/omap.h50
2 files changed, 949 insertions, 248 deletions
diff --git a/hw/omap.c b/hw/omap.c
index 7312a66a7a..e78ed4708a 100644
--- a/hw/omap.c
+++ b/hw/omap.c
@@ -402,38 +402,50 @@ struct omap_intr_handler_s *omap_inth_init(target_phys_addr_t base,
}
/* OMAP1 DMA module */
-typedef enum {
- constant = 0,
- post_incremented,
- single_index,
- double_index,
-} omap_dma_addressing_t;
-
struct omap_dma_channel_s {
+ /* transfer data */
int burst[2];
int pack[2];
enum omap_dma_port port[2];
target_phys_addr_t addr[2];
omap_dma_addressing_t mode[2];
+ uint16_t elements;
+ uint16_t frames;
+ int16_t frame_index[2];
+ int16_t element_index[2];
int data_type;
+
+ /* transfer type */
+ int transparent_copy;
+ int constant_fill;
+ uint32_t color;
+
+ /* auto init and linked channel data */
int end_prog;
int repeat;
int auto_init;
- int priority;
- int fs;
- int sync;
- int running;
+ int link_enabled;
+ int link_next_ch;
+
+ /* interruption data */
int interrupts;
int status;
- int signalled;
- int post_sync;
- int transfer;
- uint16_t elements;
- uint16_t frames;
- uint16_t frame_index;
- uint16_t element_index;
+
+ /* state data */
+ int active;
+ int enable;
+ int sync;
+ int pending_request;
+ int waiting_end_prog;
uint16_t cpc;
+ /* sync type */
+ int fs;
+ int bs;
+
+ /* compatibility */
+ int omap_3_1_compatible_disable;
+
struct omap_dma_reg_set_s {
target_phys_addr_t src, dest;
int frame;
@@ -443,16 +455,23 @@ struct omap_dma_channel_s {
int frames;
int elements;
} active_set;
+
+ /* unused parameters */
+ int priority;
+ int interleave_disabled;
+ int type;
};
struct omap_dma_s {
- qemu_irq *ih;
+ qemu_irq irqs[16];
QEMUTimer *tm;
struct omap_mpu_state_s *mpu;
target_phys_addr_t base;
omap_clk clk;
int64_t delay;
uint32_t drq;
+ enum omap_dma_model model;
+ int omap_3_1_mapping_disabled;
uint16_t gcr;
int run_count;
@@ -462,27 +481,55 @@ struct omap_dma_s {
struct omap_dma_lcd_channel_s lcd_ch;
};
+/* Interrupts */
+#define TIMEOUT_INTR (1 << 0)
+#define EVENT_DROP_INTR (1 << 1)
+#define HALF_FRAME_INTR (1 << 2)
+#define END_FRAME_INTR (1 << 3)
+#define LAST_FRAME_INTR (1 << 4)
+#define END_BLOCK_INTR (1 << 5)
+#define SYNC (1 << 6)
+
+static int omap_dma_get_sibling_channel(struct omap_dma_s *s, int channel)
+{
+ if (s->omap_3_1_mapping_disabled)
+ return -1;
+ switch (channel) {
+ case 0 ... 2:
+ return channel + 6;
+ case 6 ... 8:
+ return channel % 6;
+ }
+ return -1;
+}
+
static void omap_dma_interrupts_update(struct omap_dma_s *s)
{
- /* First three interrupts are shared between two channels each. */
- qemu_set_irq(s->ih[OMAP_INT_DMA_CH0_6],
- (s->ch[0].status | s->ch[6].status) & 0x3f);
- qemu_set_irq(s->ih[OMAP_INT_DMA_CH1_7],
- (s->ch[1].status | s->ch[7].status) & 0x3f);
- qemu_set_irq(s->ih[OMAP_INT_DMA_CH2_8],
- (s->ch[2].status | s->ch[8].status) & 0x3f);
- qemu_set_irq(s->ih[OMAP_INT_DMA_CH3],
- (s->ch[3].status) & 0x3f);
- qemu_set_irq(s->ih[OMAP_INT_DMA_CH4],
- (s->ch[4].status) & 0x3f);
- qemu_set_irq(s->ih[OMAP_INT_DMA_CH5],
- (s->ch[5].status) & 0x3f);
+ int i, sibiling, raise;
+
+ if (s->omap_3_1_mapping_disabled) {
+ for (i = 0; i < s->chans; i ++) {
+ if (s->ch[i].status)
+ qemu_irq_raise(s->irqs[i]);
+ }
+ } else {
+ /* First three interrupts are shared between two channels each. */
+ for (i = 0; i < 6; i ++) {
+ raise = s->ch[i].status;
+ sibiling = omap_dma_get_sibling_channel(s, i);
+ if (sibiling != -1)
+ raise |= s->ch[sibiling].status;
+ if (raise)
+ qemu_irq_raise(s->irqs[i]);
+ }
+ }
}
static void omap_dma_channel_load(struct omap_dma_s *s, int ch)
{
struct omap_dma_reg_set_s *a = &s->ch[ch].active_set;
int i;
+ int omap_3_1 = !s->ch[ch].omap_3_1_compatible_disable;
/*
* TODO: verify address ranges and alignment
@@ -513,71 +560,126 @@ static void omap_dma_channel_load(struct omap_dma_s *s, int ch)
break;
case single_index:
a->elem_delta[i] = s->ch[ch].data_type +
- s->ch[ch].element_index - 1;
- if (s->ch[ch].element_index > 0x7fff)
- a->elem_delta[i] -= 0x10000;
+ s->ch[ch].element_index[omap_3_1 ? 0 : i] - 1;
a->frame_delta[i] = 0;
break;
case double_index:
a->elem_delta[i] = s->ch[ch].data_type +
- s->ch[ch].element_index - 1;
- if (s->ch[ch].element_index > 0x7fff)
- a->elem_delta[i] -= 0x10000;
- a->frame_delta[i] = s->ch[ch].frame_index -
- s->ch[ch].element_index;
- if (s->ch[ch].frame_index > 0x7fff)
- a->frame_delta[i] -= 0x10000;
+ s->ch[ch].element_index[omap_3_1 ? 0 : i] - 1;
+ a->frame_delta[i] = s->ch[ch].frame_index[omap_3_1 ? 0 : i] -
+ s->ch[ch].element_index[omap_3_1 ? 0 : i];
break;
default:
break;
}
}
-static inline void omap_dma_request_run(struct omap_dma_s *s,
- int channel, int request)
+static void omap_dma_activate_channel(struct omap_dma_s *s, int channel)
{
-next_channel:
- if (request > 0)
- for (; channel < 9; channel ++)
- if (s->ch[channel].sync == request && s->ch[channel].running)
- break;
- if (channel >= 9)
+ if (!s->ch[channel].active) {
+ s->ch[channel].active = 1;
+ if (s->ch[channel].sync)
+ s->ch[channel].status |= SYNC;
+ s->run_count ++;
+ }
+
+ if (s->delay && !qemu_timer_pending(s->tm))
+ qemu_mod_timer(s->tm, qemu_get_clock(vm_clock) + s->delay);
+}
+
+static void omap_dma_deactivate_channel(struct omap_dma_s *s, int channel)
+{
+ /* Update cpc */
+ s->ch[channel].cpc = s->ch[channel].active_set.dest & 0xffff;
+
+ if (s->ch[channel].pending_request &&
+ !s->ch[channel].waiting_end_prog) {
+ /* Don't deactivate the channel */
+ s->ch[channel].pending_request = 0;
return;
+ }
- if (s->ch[channel].transfer) {
- if (request > 0) {
- s->ch[channel ++].post_sync = request;
- goto next_channel;
- }
- s->ch[channel].status |= 0x02; /* Synchronisation drop */
- omap_dma_interrupts_update(s);
+ /* Don't deactive the channel if it is synchronized and the DMA request is
+ active */
+ if (s->ch[channel].sync && (s->drq & (1 << s->ch[channel].sync)))
return;
+
+ if (s->ch[channel].active) {
+ s->ch[channel].active = 0;
+ s->ch[channel].status &= ~SYNC;
+ s->run_count --;
}
- if (!s->ch[channel].signalled)
- s->run_count ++;
- s->ch[channel].signalled = 1;
+ if (!s->run_count)
+ qemu_del_timer(s->tm);
+}
- if (request > 0)
- s->ch[channel].status |= 0x40; /* External request */
+static void omap_dma_enable_channel(struct omap_dma_s *s, int channel)
+{
+ if (!s->ch[channel].enable) {
+ s->ch[channel].enable = 1;
+ s->ch[channel].waiting_end_prog = 0;
+ omap_dma_channel_load(s, channel);
+ if ((!s->ch[channel].sync) || (s->drq & (1 << s->ch[channel].sync)))
+ omap_dma_activate_channel(s, channel);
+ }
+}
- if (s->delay && !qemu_timer_pending(s->tm))
- qemu_mod_timer(s->tm, qemu_get_clock(vm_clock) + s->delay);
+static void omap_dma_disable_channel(struct omap_dma_s *s, int channel)
+{
+ if (s->ch[channel].enable) {
+ s->ch[channel].enable = 0;
+ /* Discard any pending request */
+ s->ch[channel].pending_request = 0;
+ omap_dma_deactivate_channel(s, channel);
+ }
+}
- if (request > 0) {
- channel ++;
- goto next_channel;
+static void omap_dma_channel_end_prog(struct omap_dma_s *s, int channel)
+{
+ if (s->ch[channel].waiting_end_prog) {
+ s->ch[channel].waiting_end_prog = 0;
+ if (!s->ch[channel].sync || s->ch[channel].pending_request) {
+ s->ch[channel].pending_request = 0;
+ omap_dma_activate_channel(s, channel);
+ }
}
}
-static inline void omap_dma_request_stop(struct omap_dma_s *s, int channel)
+static void omap_dma_enable_3_1_mapping(struct omap_dma_s *s)
{
- if (s->ch[channel].signalled)
- s->run_count --;
- s->ch[channel].signalled = 0;
+ s->omap_3_1_mapping_disabled = 0;
+ s->chans = 9;
+}
- if (!s->run_count)
- qemu_del_timer(s->tm);
+static void omap_dma_disable_3_1_mapping(struct omap_dma_s *s)
+{
+ s->omap_3_1_mapping_disabled = 1;
+ s->chans = 16;
+}
+
+static void omap_dma_process_request(struct omap_dma_s *s, int request)
+{
+ int channel;
+ int drop_event = 0;
+
+ for (channel = 0; channel < s->chans; channel ++) {
+ if (s->ch[channel].enable && s->ch[channel].sync == request) {
+ if (!s->ch[channel].active)
+ omap_dma_activate_channel(s, channel);
+ else if (!s->ch[channel].pending_request)
+ s->ch[channel].pending_request = 1;
+ else {
+ /* Request collision */
+ /* Second request received while processing other request */
+ s->ch[channel].status |= EVENT_DROP_INTR;
+ drop_event = 1;
+ }
+ }
+ }
+
+ if (drop_event)
+ omap_dma_interrupts_update(s);
}
static void omap_dma_channel_run(struct omap_dma_s *s)
@@ -588,97 +690,101 @@ static void omap_dma_channel_run(struct omap_dma_s *s)
struct omap_dma_port_if_s *src_p, *dest_p;
struct omap_dma_reg_set_s *a;
- for (ch = 0; ch < 9; ch ++) {
+ for (ch = 0; ch < s->chans; ch ++) {
+ if (!s->ch[ch].active)
+ continue;
+
a = &s->ch[ch].active_set;
src_p = &s->mpu->port[s->ch[ch].port[0]];
dest_p = &s->mpu->port[s->ch[ch].port[1]];
- if (s->ch[ch].signalled && (!src_p->addr_valid(s->mpu, a->src) ||
- !dest_p->addr_valid(s->mpu, a->dest))) {
+ if ((!s->ch[ch].constant_fill && !src_p->addr_valid(s->mpu, a->src)) ||
+ (!dest_p->addr_valid(s->mpu, a->dest))) {
#if 0
/* Bus time-out */
- if (s->ch[ch].interrupts & 0x01)
- s->ch[ch].status |= 0x01;
- omap_dma_request_stop(s, ch);
+ if (s->ch[ch].interrupts & TIMEOUT_INTR)
+ s->ch[ch].status |= TIMEOUT_INTR;
+ omap_dma_deactivate_channel(s, ch);
continue;
#endif
printf("%s: Bus time-out in DMA%i operation\n", __FUNCTION__, ch);
}
status = s->ch[ch].status;
- while (status == s->ch[ch].status && s->ch[ch].signalled) {
+ while (status == s->ch[ch].status && s->ch[ch].active) {
/* Transfer a single element */
- s->ch[ch].transfer = 1;
- cpu_physical_memory_read(a->src, value, s->ch[ch].data_type);
- cpu_physical_memory_write(a->dest, value, s->ch[ch].data_type);
- s->ch[ch].transfer = 0;
+ /* FIXME: check the endianness */
+ if (!s->ch[ch].constant_fill)
+ cpu_physical_memory_read(a->src, value, s->ch[ch].data_type);
+ else
+ *(uint32_t *) value = s->ch[ch].color;
+
+ if (!s->ch[ch].transparent_copy ||
+ *(uint32_t *) value != s->ch[ch].color)
+ cpu_physical_memory_write(a->dest, value, s->ch[ch].data_type);
a->src += a->elem_delta[0];
a->dest += a->elem_delta[1];
a->element ++;
- /* Check interrupt conditions */
+ /* If the channel is element synchronized, deactivate it */
+ if (s->ch[ch].sync && !s->ch[ch].fs && !s->ch[ch].bs)
+ omap_dma_deactivate_channel(s, ch);
+
+ /* If it is the last frame, set the LAST_FRAME interrupt */
+ if (a->element == 1 && a->frame == a->frames - 1)
+ if (s->ch[ch].interrupts & LAST_FRAME_INTR)
+ s->ch[ch].status |= LAST_FRAME_INTR;
+
+ /* If the half of the frame was reached, set the HALF_FRAME
+ interrupt */
+ if (a->element == (a->elements >> 1))
+ if (s->ch[ch].interrupts & HALF_FRAME_INTR)
+ s->ch[ch].status |= HALF_FRAME_INTR;
+
if (a->element == a->elements) {
+ /* End of Frame */
a->element = 0;
a->src += a->frame_delta[0];
a->dest += a->frame_delta[1];
a->frame ++;
- if (a->frame == a->frames) {
- if (!s->ch[ch].repeat || !s->ch[ch].auto_init)
- s->ch[ch].running = 0;
+ /* If the channel is frame synchronized, deactivate it */
+ if (s->ch[ch].sync && s->ch[ch].fs)
+ omap_dma_deactivate_channel(s, ch);
- if (s->ch[ch].auto_init &&
- (s->ch[ch].repeat ||
- s->ch[ch].end_prog))
- omap_dma_channel_load(s, ch);
+ /* If the channel is async, update cpc */
+ if (!s->ch[ch].sync)
+ s->ch[ch].cpc = a->dest & 0xffff;
- if (s->ch[ch].interrupts & 0x20)
- s->ch[ch].status |= 0x20;
+ /* Set the END_FRAME interrupt */
+ if (s->ch[ch].interrupts & END_FRAME_INTR)
+ s->ch[ch].status |= END_FRAME_INTR;
- if (!s->ch[ch].sync)
- omap_dma_request_stop(s, ch);
- }
-
- if (s->ch[ch].interrupts & 0x08)
- s->ch[ch].status |= 0x08;
-
- if (s->ch[ch].sync && s->ch[ch].fs &&
- !(s->drq & (1 << s->ch[ch].sync))) {
- s->ch[ch].status &= ~0x40;
- omap_dma_request_stop(s, ch);
+ if (a->frame == a->frames) {
+ /* End of Block */
+ /* Disable the channel */
+
+ if (s->ch[ch].omap_3_1_compatible_disable) {
+ omap_dma_disable_channel(s, ch);
+ if (s->ch[ch].link_enabled)
+ omap_dma_enable_channel(s, s->ch[ch].link_next_ch);
+ } else {
+ if (!s->ch[ch].auto_init)
+ omap_dma_disable_channel(s, ch);
+ else if (s->ch[ch].repeat || s->ch[ch].end_prog)
+ omap_dma_channel_load(s, ch);
+ else {
+ s->ch[ch].waiting_end_prog = 1;
+ omap_dma_deactivate_channel(s, ch);
+ }
+ }
+
+ if (s->ch[ch].interrupts & END_BLOCK_INTR)
+ s->ch[ch].status |= END_BLOCK_INTR;
}
}
-
- if (a->element == 1 && a->frame == a->frames - 1)
- if (s->ch[ch].interrupts & 0x10)
- s->ch[ch].status |= 0x10;
-
- if (a->element == (a->elements >> 1))
- if (s->ch[ch].interrupts & 0x04)
- s->ch[ch].status |= 0x04;
-
- if (s->ch[ch].sync && !s->ch[ch].fs &&
- !(s->drq & (1 << s->ch[ch].sync))) {
- s->ch[ch].status &= ~0x40;
- omap_dma_request_stop(s, ch);
- }
-
- /*
- * Process requests made while the element was
- * being transferred.
- */
- if (s->ch[ch].post_sync) {
- omap_dma_request_run(s, 0, s->ch[ch].post_sync);
- s->ch[ch].post_sync = 0;
- }
-
-#if 0
- break;
-#endif
}
-
- s->ch[ch].cpc = a->dest & 0x0000ffff;
}
omap_dma_interrupts_update(s);
@@ -686,8 +792,29 @@ static void omap_dma_channel_run(struct omap_dma_s *s)
qemu_mod_timer(s->tm, qemu_get_clock(vm_clock) + s->delay);
}
-static int omap_dma_ch_reg_read(struct omap_dma_s *s,
- int ch, int reg, uint16_t *value) {
+static void omap_dma_reset(struct omap_dma_s *s)
+{
+ int i;
+
+ qemu_del_timer(s->tm);
+ s->gcr = 0x0004;
+ s->drq = 0x00000000;
+ s->run_count = 0;
+ s->lcd_ch.src = emiff;
+ s->lcd_ch.condition = 0;
+ s->lcd_ch.interrupts = 0;
+ s->lcd_ch.dual = 0;
+ omap_dma_enable_3_1_mapping(s);
+ memset(s->ch, 0, sizeof(s->ch));
+ for (i = 0; i < s->chans; i ++)
+ s->ch[i].interrupts = 0x0003;
+}
+
+static int omap_dma_ch_reg_read(struct omap_dma_s *s, int ch, int reg,
+ uint16_t *value)
+{
+ int sibling;
+
switch (reg) {
case 0x00: /* SYS_DMA_CSDP_CH0 */
*value = (s->ch[ch].burst[1] << 14) |
@@ -700,12 +827,16 @@ static int omap_dma_ch_reg_read(struct omap_dma_s *s,
break;
case 0x02: /* SYS_DMA_CCR_CH0 */
- *value = (s->ch[ch].mode[1] << 14) |
+ if (s->model == omap_dma_3_1)
+ *value = 0 << 10; /* FIFO_FLUSH bit */
+ else
+ *value = s->ch[ch].omap_3_1_compatible_disable << 10;
+ *value |= (s->ch[ch].mode[1] << 14) |
(s->ch[ch].mode[0] << 12) |
(s->ch[ch].end_prog << 11) |
(s->ch[ch].repeat << 9) |
(s->ch[ch].auto_init << 8) |
- (s->ch[ch].running << 7) |
+ (s->ch[ch].enable << 7) |
(s->ch[ch].priority << 6) |
(s->ch[ch].fs << 5) | s->ch[ch].sync;
break;
@@ -715,10 +846,18 @@ static int omap_dma_ch_reg_read(struct omap_dma_s *s,
break;
case 0x06: /* SYS_DMA_CSR_CH0 */
- /* FIXME: shared CSR for channels sharing the interrupts */
+ sibling = omap_dma_get_sibling_channel(s, ch);
*value = s->ch[ch].status;
- s->ch[ch].status &= 0x40;
- omap_dma_interrupts_update(s);
+ s->ch[ch].status &= SYNC;
+ if (sibling != -1) {
+ *value |= (s->ch[sibling].status & 0x3f) << 6;
+ s->ch[sibling].status &= SYNC;
+ if (sibling < ch) {
+ qemu_irq_lower(s->irqs[sibling]);
+ break;
+ }
+ }
+ qemu_irq_lower(s->irqs[ch]);
break;
case 0x08: /* SYS_DMA_CSSA_L_CH0 */
@@ -746,15 +885,54 @@ static int omap_dma_ch_reg_read(struct omap_dma_s *s,
break;
case 0x14: /* SYS_DMA_CFI_CH0 */
- *value = s->ch[ch].frame_index;
+ *value = s->ch[ch].frame_index[0];
break;
case 0x16: /* SYS_DMA_CEI_CH0 */
- *value = s->ch[ch].element_index;
+ *value = s->ch[ch].element_index[0];
+ break;
+
+ case 0x18: /* SYS_DMA_CPC_CH0 or DMA_CSAC */
+ if (s->ch[ch].omap_3_1_compatible_disable)
+ *value = s->ch[ch].active_set.src & 0xffff; /* CSAC */
+ else
+ *value = s->ch[ch].cpc;
+ break;
+
+ case 0x1a: /* DMA_CDAC */
+ *value = s->ch[ch].active_set.dest & 0xffff; /* CDAC */
+ break;
+
+ case 0x1c: /* DMA_CDEI */
+ *value = s->ch[ch].element_index[1];
+ break;
+
+ case 0x1e: /* DMA_CDFI */
+ *value = s->ch[ch].frame_index[1];
+ break;
+
+ case 0x20: /* DMA_COLOR_L */
+ *value = s->ch[ch].color & 0xffff;
+ break;
+
+ case 0x22: /* DMA_COLOR_U */
+ *value = s->ch[ch].color >> 16;
break;
- case 0x18: /* SYS_DMA_CPC_CH0 */
- *value = s->ch[ch].cpc;
+ case 0x24: /* DMA_CCR2 */
+ *value = (s->ch[ch].bs << 2) |
+ (s->ch[ch].transparent_copy << 1) |
+ s->ch[ch].constant_fill;
+ break;
+
+ case 0x28: /* DMA_CLNK_CTRL */
+ *value = (s->ch[ch].link_enabled << 15) |
+ (s->ch[ch].link_next_ch & 0xf);
+ break;
+
+ case 0x2a: /* DMA_LCH_CTRL */
+ *value = (s->ch[ch].interleave_disabled << 15) |
+ s->ch[ch].type;
break;
default:
@@ -764,7 +942,8 @@ static int omap_dma_ch_reg_read(struct omap_dma_s *s,
}
static int omap_dma_ch_reg_write(struct omap_dma_s *s,
- int ch, int reg, uint16_t value) {
+ int ch, int reg, uint16_t value)
+{
switch (reg) {
case 0x00: /* SYS_DMA_CSDP_CH0 */
s->ch[ch].burst[1] = (value & 0xc000) >> 14;
@@ -788,30 +967,26 @@ static int omap_dma_ch_reg_write(struct omap_dma_s *s,
s->ch[ch].mode[1] = (omap_dma_addressing_t) ((value & 0xc000) >> 14);
s->ch[ch].mode[0] = (omap_dma_addressing_t) ((value & 0x3000) >> 12);
s->ch[ch].end_prog = (value & 0x0800) >> 11;
+ if (s->model > omap_dma_3_1)
+ s->ch[ch].omap_3_1_compatible_disable = (value >> 10) & 0x1;
s->ch[ch].repeat = (value & 0x0200) >> 9;
s->ch[ch].auto_init = (value & 0x0100) >> 8;
s->ch[ch].priority = (value & 0x0040) >> 6;
s->ch[ch].fs = (value & 0x0020) >> 5;
s->ch[ch].sync = value & 0x001f;
- if (value & 0x0080) {
- if (s->ch[ch].running) {
- if (!s->ch[ch].signalled &&
- s->ch[ch].auto_init && s->ch[ch].end_prog)
- omap_dma_channel_load(s, ch);
- } else {
- s->ch[ch].running = 1;
- omap_dma_channel_load(s, ch);
- }
- if (!s->ch[ch].sync || (s->drq & (1 << s->ch[ch].sync)))
- omap_dma_request_run(s, ch, 0);
- } else {
- s->ch[ch].running = 0;
- omap_dma_request_stop(s, ch);
- }
+
+ if (value & 0x0080)
+ omap_dma_enable_channel(s, ch);
+ else
+ omap_dma_disable_channel(s, ch);
+
+ if (s->ch[ch].end_prog)
+ omap_dma_channel_end_prog(s, ch);
+
break;
case 0x04: /* SYS_DMA_CICR_CH0 */
- s->ch[ch].interrupts = value & 0x003f;
+ s->ch[ch].interrupts = value;
break;
case 0x06: /* SYS_DMA_CSR_CH0 */
@@ -838,97 +1013,317 @@ static int omap_dma_ch_reg_write(struct omap_dma_s *s,
break;
case 0x10: /* SYS_DMA_CEN_CH0 */
- s->ch[ch].elements = value & 0xffff;
+ s->ch[ch].elements = value;
break;
case 0x12: /* SYS_DMA_CFN_CH0 */
- s->ch[ch].frames = value & 0xffff;
+ s->ch[ch].frames = value;
break;
case 0x14: /* SYS_DMA_CFI_CH0 */
- s->ch[ch].frame_index = value & 0xffff;
+ s->ch[ch].frame_index[0] = (int16_t) value;
break;
case 0x16: /* SYS_DMA_CEI_CH0 */
- s->ch[ch].element_index = value & 0xffff;
+ s->ch[ch].element_index[0] = (int16_t) value;
break;
- case 0x18: /* SYS_DMA_CPC_CH0 */
- return 1;
+ case 0x18: /* SYS_DMA_CPC_CH0 or DMA_CSAC */
+ OMAP_RO_REG((target_phys_addr_t) reg);
+ break;
+
+ case 0x1c: /* DMA_CDEI */
+ s->ch[ch].element_index[1] = (int16_t) value;
+ break;
+
+ case 0x1e: /* DMA_CDFI */
+ s->ch[ch].frame_index[1] = (int16_t) value;
+ break;
+
+ case 0x20: /* DMA_COLOR_L */
+ s->ch[ch].color &= 0xffff0000;
+ s->ch[ch].color |= value;
+ break;
+
+ case 0x22: /* DMA_COLOR_U */
+ s->ch[ch].color &= 0xffff;
+ s->ch[ch].color |= value << 16;
+ break;
+
+ case 0x24: /* DMA_CCR2 */
+ s->ch[ch].bs = (value >> 2) & 0x1;
+ s->ch[ch].transparent_copy = (value >> 1) & 0x1;
+ s->ch[ch].constant_fill = value & 0x1;
+ break;
+
+ case 0x28: /* DMA_CLNK_CTRL */
+ s->ch[ch].link_enabled = (value >> 15) & 0x1;
+ if (value & (1 << 14)) { /* Stop_Lnk */
+ s->ch[ch].link_enabled = 0;
+ omap_dma_disable_channel(s, ch);
+ }
+ s->ch[ch].link_next_ch = value & 0x1f;
+ break;
+
+ case 0x2a: /* DMA_LCH_CTRL */
+ s->ch[ch].interleave_disabled = (value >> 15) & 0x1;
+ s->ch[ch].type = value & 0xf;
+ break;
default:
- OMAP_BAD_REG((target_phys_addr_t) reg);
+ return 1;
}
return 0;
}
-static uint32_t omap_dma_read(void *opaque, target_phys_addr_t addr)
+static int omap_dma_3_2_lcd_write(struct omap_dma_s *s, int offset,
+ uint16_t value)
{
- struct omap_dma_s *s = (struct omap_dma_s *) opaque;
- int i, reg, ch, offset = addr - s->base;
- uint16_t ret;
-
switch (offset) {
- case 0x000 ... 0x2fe:
- reg = offset & 0x3f;
- ch = (offset >> 6) & 0x0f;
- if (omap_dma_ch_reg_read(s, ch, reg, &ret))
- break;
- return ret;
+ case 0xbc0: /* DMA_LCD_CSDP */
+ s->lcd_ch.brust_f2 = (value >> 14) & 0x3;
+ s->lcd_ch.pack_f2 = (value >> 13) & 0x1;
+ s->lcd_ch.data_type_f2 = (1 << ((value >> 11) & 0x3));
+ s->lcd_ch.brust_f1 = (value >> 7) & 0x3;
+ s->lcd_ch.pack_f1 = (value >> 6) & 0x1;
+ s->lcd_ch.data_type_f1 = (1 << ((value >> 0) & 0x3));
+ break;
- case 0x300: /* SYS_DMA_LCD_CTRL */
- i = s->lcd_ch.condition;
+ case 0xbc2: /* DMA_LCD_CCR */
+ s->lcd_ch.mode_f2 = (value >> 14) & 0x3;
+ s->lcd_ch.mode_f1 = (value >> 12) & 0x3;
+ s->lcd_ch.end_prog = (value >> 11) & 0x1;
+ s->lcd_ch.omap_3_1_compatible_disable = (value >> 10) & 0x1;
+ s->lcd_ch.repeat = (value >> 9) & 0x1;
+ s->lcd_ch.auto_init = (value >> 8) & 0x1;
+ s->lcd_ch.running = (value >> 7) & 0x1;
+ s->lcd_ch.priority = (value >> 6) & 0x1;
+ s->lcd_ch.bs = (value >> 4) & 0x1;
+ break;
+
+ case 0xbc4: /* DMA_LCD_CTRL */
+ s->lcd_ch.dst = (value >> 8) & 0x1;
+ s->lcd_ch.src = ((value >> 6) & 0x3) << 1;
s->lcd_ch.condition = 0;
- qemu_irq_lower(s->lcd_ch.irq);
- return ((s->lcd_ch.src == imif) << 6) | (i << 3) |
- (s->lcd_ch.interrupts << 1) | s->lcd_ch.dual;
+ /* Assume no bus errors and thus no BUS_ERROR irq bits. */
+ s->lcd_ch.interrupts = (value >> 1) & 1;
+ s->lcd_ch.dual = value & 1;
+ break;
- case 0x302: /* SYS_DMA_LCD_TOP_F1_L */
- return s->lcd_ch.src_f1_top & 0xffff;
+ case 0xbc8: /* TOP_B1_L */
+ s->lcd_ch.src_f1_top &= 0xffff0000;
+ s->lcd_ch.src_f1_top |= 0x0000ffff & value;
+ break;
- case 0x304: /* SYS_DMA_LCD_TOP_F1_U */
- return s->lcd_ch.src_f1_top >> 16;
+ case 0xbca: /* TOP_B1_U */
+ s->lcd_ch.src_f1_top &= 0x0000ffff;
+ s->lcd_ch.src_f1_top |= value << 16;
+ break;
- case 0x306: /* SYS_DMA_LCD_BOT_F1_L */
- return s->lcd_ch.src_f1_bottom & 0xffff;
+ case 0xbcc: /* BOT_B1_L */
+ s->lcd_ch.src_f1_bottom &= 0xffff0000;
+ s->lcd_ch.src_f1_bottom |= 0x0000ffff & value;
+ break;
- case 0x308: /* SYS_DMA_LCD_BOT_F1_U */
- return s->lcd_ch.src_f1_bottom >> 16;
+ case 0xbce: /* BOT_B1_U */
+ s->lcd_ch.src_f1_bottom &= 0x0000ffff;
+ s->lcd_ch.src_f1_bottom |= (uint32_t) value << 16;
+ break;
- case 0x30a: /* SYS_DMA_LCD_TOP_F2_L */
- return s->lcd_ch.src_f2_top & 0xffff;
+ case 0xbd0: /* TOP_B2_L */
+ s->lcd_ch.src_f2_top &= 0xffff0000;
+ s->lcd_ch.src_f2_top |= 0x0000ffff & value;
+ break;
- case 0x30c: /* SYS_DMA_LCD_TOP_F2_U */
- return s->lcd_ch.src_f2_top >> 16;
+ case 0xbd2: /* TOP_B2_U */
+ s->lcd_ch.src_f2_top &= 0x0000ffff;
+ s->lcd_ch.src_f2_top |= (uint32_t) value << 16;
+ break;
- case 0x30e: /* SYS_DMA_LCD_BOT_F2_L */
- return s->lcd_ch.src_f2_bottom & 0xffff;
+ case 0xbd4: /* BOT_B2_L */
+ s->lcd_ch.src_f2_bottom &= 0xffff0000;
+ s->lcd_ch.src_f2_bottom |= 0x0000ffff & value;
+ break;
- case 0x310: /* SYS_DMA_LCD_BOT_F2_U */
- return s->lcd_ch.src_f2_bottom >> 16;
+ case 0xbd6: /* BOT_B2_U */
+ s->lcd_ch.src_f2_bottom &= 0x0000ffff;
+ s->lcd_ch.src_f2_bottom |= (uint32_t) value << 16;
+ break;
- case 0x400: /* SYS_DMA_GCR */
- return s->gcr;
- }
+ case 0xbd8: /* DMA_LCD_SRC_EI_B1 */
+ s->lcd_ch.element_index_f1 = value;
+ break;
- OMAP_BAD_REG(addr);
+ case 0xbda: /* DMA_LCD_SRC_FI_B1_L */
+ s->lcd_ch.frame_index_f1 &= 0xffff0000;
+ s->lcd_ch.frame_index_f1 |= 0x0000ffff & value;
+ break;
+
+ case 0xbf4: /* DMA_LCD_SRC_FI_B1_U */
+ s->lcd_ch.frame_index_f1 &= 0x0000ffff;
+ s->lcd_ch.frame_index_f1 |= (uint32_t) value << 16;
+ break;
+
+ case 0xbdc: /* DMA_LCD_SRC_EI_B2 */
+ s->lcd_ch.element_index_f2 = value;
+ break;
+
+ case 0xbde: /* DMA_LCD_SRC_FI_B2_L */
+ s->lcd_ch.frame_index_f2 &= 0xffff0000;
+ s->lcd_ch.frame_index_f2 |= 0x0000ffff & value;
+ break;
+
+ case 0xbf6: /* DMA_LCD_SRC_FI_B2_U */
+ s->lcd_ch.frame_index_f2 &= 0x0000ffff;
+ s->lcd_ch.frame_index_f2 |= (uint32_t) value << 16;
+ break;
+
+ case 0xbe0: /* DMA_LCD_SRC_EN_B1 */
+ s->lcd_ch.elements_f1 = value;
+ break;
+
+ case 0xbe4: /* DMA_LCD_SRC_FN_B1 */
+ s->lcd_ch.frames_f1 = value;
+ break;
+
+ case 0xbe2: /* DMA_LCD_SRC_EN_B2 */
+ s->lcd_ch.elements_f2 = value;
+ break;
+
+ case 0xbe6: /* DMA_LCD_SRC_FN_B2 */
+ s->lcd_ch.frames_f2 = value;
+ break;
+
+ case 0xbea: /* DMA_LCD_LCH_CTRL */
+ s->lcd_ch.lch_type = value & 0xf;
+ break;
+
+ default:
+ return 1;
+ }
return 0;
}
-static void omap_dma_write(void *opaque, target_phys_addr_t addr,
- uint32_t value)
+static int omap_dma_3_2_lcd_read(struct omap_dma_s *s, int offset,
+ uint16_t *ret)
{
- struct omap_dma_s *s = (struct omap_dma_s *) opaque;
- int reg, ch, offset = addr - s->base;
-
switch (offset) {
- case 0x000 ... 0x2fe:
- reg = offset & 0x3f;
- ch = (offset >> 6) & 0x0f;
- if (omap_dma_ch_reg_write(s, ch, reg, value))
- OMAP_RO_REG(addr);
+ case 0xbc0: /* DMA_LCD_CSDP */
+ *ret = (s->lcd_ch.brust_f2 << 14) |
+ (s->lcd_ch.pack_f2 << 13) |
+ ((s->lcd_ch.data_type_f2 >> 1) << 11) |
+ (s->lcd_ch.brust_f1 << 7) |
+ (s->lcd_ch.pack_f1 << 6) |
+ ((s->lcd_ch.data_type_f1 >> 1) << 0);
+ break;
+
+ case 0xbc2: /* DMA_LCD_CCR */
+ *ret = (s->lcd_ch.mode_f2 << 14) |
+ (s->lcd_ch.mode_f1 << 12) |
+ (s->lcd_ch.end_prog << 11) |
+ (s->lcd_ch.omap_3_1_compatible_disable << 10) |
+ (s->lcd_ch.repeat << 9) |
+ (s->lcd_ch.auto_init << 8) |
+ (s->lcd_ch.running << 7) |
+ (s->lcd_ch.priority << 6) |
+ (s->lcd_ch.bs << 4);
+ break;
+
+ case 0xbc4: /* DMA_LCD_CTRL */
+ qemu_irq_lower(s->lcd_ch.irq);
+ *ret = (s->lcd_ch.dst << 8) |
+ ((s->lcd_ch.src & 0x6) << 5) |
+ (s->lcd_ch.condition << 3) |
+ (s->lcd_ch.interrupts << 1) |
+ s->lcd_ch.dual;
+ break;
+
+ case 0xbc8: /* TOP_B1_L */
+ *ret = s->lcd_ch.src_f1_top & 0xffff;
+ break;
+
+ case 0xbca: /* TOP_B1_U */
+ *ret = s->lcd_ch.src_f1_top >> 16;
+ break;
+
+ case 0xbcc: /* BOT_B1_L */
+ *ret = s->lcd_ch.src_f1_bottom & 0xffff;
+ break;
+
+ case 0xbce: /* BOT_B1_U */
+ *ret = s->lcd_ch.src_f1_bottom >> 16;
+ break;
+
+ case 0xbd0: /* TOP_B2_L */
+ *ret = s->lcd_ch.src_f2_top & 0xffff;
+ break;
+
+ case 0xbd2: /* TOP_B2_U */
+ *ret = s->lcd_ch.src_f2_top >> 16;
+ break;
+
+ case 0xbd4: /* BOT_B2_L */
+ *ret = s->lcd_ch.src_f2_bottom & 0xffff;
break;
+ case 0xbd6: /* BOT_B2_U */
+ *ret = s->lcd_ch.src_f2_bottom >> 16;
+ break;
+
+ case 0xbd8: /* DMA_LCD_SRC_EI_B1 */
+ *ret = s->lcd_ch.element_index_f1;
+ break;
+
+ case 0xbda: /* DMA_LCD_SRC_FI_B1_L */
+ *ret = s->lcd_ch.frame_index_f1 & 0xffff;
+ break;
+
+ case 0xbf4: /* DMA_LCD_SRC_FI_B1_U */
+ *ret = s->lcd_ch.frame_index_f1 >> 16;
+ break;
+
+ case 0xbdc: /* DMA_LCD_SRC_EI_B2 */
+ *ret = s->lcd_ch.element_index_f2;
+ break;
+
+ case 0xbde: /* DMA_LCD_SRC_FI_B2_L */
+ *ret = s->lcd_ch.frame_index_f2 & 0xffff;
+ break;
+
+ case 0xbf6: /* DMA_LCD_SRC_FI_B2_U */
+ *ret = s->lcd_ch.frame_index_f2 >> 16;
+ break;
+
+ case 0xbe0: /* DMA_LCD_SRC_EN_B1 */
+ *ret = s->lcd_ch.elements_f1;
+ break;
+
+ case 0xbe4: /* DMA_LCD_SRC_FN_B1 */
+ *ret = s->lcd_ch.frames_f1;
+ break;
+
+ case 0xbe2: /* DMA_LCD_SRC_EN_B2 */
+ *ret = s->lcd_ch.elements_f2;
+ break;
+
+ case 0xbe6: /* DMA_LCD_SRC_FN_B2 */
+ *ret = s->lcd_ch.frames_f2;
+ break;
+
+ case 0xbea: /* DMA_LCD_LCH_CTRL */
+ *ret = s->lcd_ch.lch_type;
+ break;
+
+ default:
+ return 1;
+ }
+ return 0;
+}
+
+static int omap_dma_3_1_lcd_write(struct omap_dma_s *s, int offset,
+ uint16_t value)
+{
+ switch (offset) {
case 0x300: /* SYS_DMA_LCD_CTRL */
s->lcd_ch.src = (value & 0x40) ? imif : emiff;
s->lcd_ch.condition = 0;
@@ -977,13 +1372,257 @@ static void omap_dma_write(void *opaque, target_phys_addr_t addr,
s->lcd_ch.src_f2_bottom |= value << 16;
break;
+ default:
+ return 1;
+ }
+ return 0;
+}
+
+static int omap_dma_3_1_lcd_read(struct omap_dma_s *s, int offset,
+ uint16_t *ret)
+{
+ int i;
+
+ switch (offset) {
+ case 0x300: /* SYS_DMA_LCD_CTRL */
+ i = s->lcd_ch.condition;
+ s->lcd_ch.condition = 0;
+ qemu_irq_lower(s->lcd_ch.irq);
+ *ret = ((s->lcd_ch.src == imif) << 6) | (i << 3) |
+ (s->lcd_ch.interrupts << 1) | s->lcd_ch.dual;
+ break;
+
+ case 0x302: /* SYS_DMA_LCD_TOP_F1_L */
+ *ret = s->lcd_ch.src_f1_top & 0xffff;
+ break;
+
+ case 0x304: /* SYS_DMA_LCD_TOP_F1_U */
+ *ret = s->lcd_ch.src_f1_top >> 16;
+ break;
+
+ case 0x306: /* SYS_DMA_LCD_BOT_F1_L */
+ *ret = s->lcd_ch.src_f1_bottom & 0xffff;
+ break;
+
+ case 0x308: /* SYS_DMA_LCD_BOT_F1_U */
+ *ret = s->lcd_ch.src_f1_bottom >> 16;
+ break;
+
+ case 0x30a: /* SYS_DMA_LCD_TOP_F2_L */
+ *ret = s->lcd_ch.src_f2_top & 0xffff;
+ break;
+
+ case 0x30c: /* SYS_DMA_LCD_TOP_F2_U */
+ *ret = s->lcd_ch.src_f2_top >> 16;
+ break;
+
+ case 0x30e: /* SYS_DMA_LCD_BOT_F2_L */
+ *ret = s->lcd_ch.src_f2_bottom & 0xffff;
+ break;
+
+ case 0x310: /* SYS_DMA_LCD_BOT_F2_U */
+ *ret = s->lcd_ch.src_f2_bottom >> 16;
+ break;
+
+ default:
+ return 1;
+ }
+ return 0;
+}
+
+static int omap_dma_sys_write(struct omap_dma_s *s, int offset, uint16_t value)
+{
+ switch (offset) {
case 0x400: /* SYS_DMA_GCR */
- s->gcr = value & 0x000c;
+ s->gcr = value;
+ break;
+
+ case 0x404: /* DMA_GSCR */
+ if (value & 0x8)
+ omap_dma_disable_3_1_mapping(s);
+ else
+ omap_dma_enable_3_1_mapping(s);
+ break;
+
+ case 0x408: /* DMA_GRST */
+ if (value & 0x1)
+ omap_dma_reset(s);
break;
default:
- OMAP_BAD_REG(addr);
+ return 1;
}
+ return 0;
+}
+
+static int omap_dma_sys_read(struct omap_dma_s *s, int offset,
+ uint16_t *ret)
+{
+ switch (offset) {
+ case 0x400: /* SYS_DMA_GCR */
+ *ret = s->gcr;
+ break;
+
+ case 0x404: /* DMA_GSCR */
+ *ret = s->omap_3_1_mapping_disabled << 3;
+ break;
+
+ case 0x408: /* DMA_GRST */
+ *ret = 0;
+ break;
+
+ case 0x442: /* DMA_HW_ID */
+ case 0x444: /* DMA_PCh2_ID */
+ case 0x446: /* DMA_PCh0_ID */
+ case 0x448: /* DMA_PCh1_ID */
+ case 0x44a: /* DMA_PChG_ID */
+ case 0x44c: /* DMA_PChD_ID */
+ *ret = 1;
+ break;
+
+ case 0x44e: /* DMA_CAPS_0_U */
+ *ret = (1 << 3) | /* Constant Fill Capacity */
+ (1 << 2); /* Transparent BLT Capacity */
+ break;
+
+ case 0x450: /* DMA_CAPS_0_L */
+ case 0x452: /* DMA_CAPS_1_U */
+ *ret = 0;
+ break;
+
+ case 0x454: /* DMA_CAPS_1_L */
+ *ret = (1 << 1); /* 1-bit palletized capability */
+ break;
+
+ case 0x456: /* DMA_CAPS_2 */
+ *ret = (1 << 8) | /* SSDIC */
+ (1 << 7) | /* DDIAC */
+ (1 << 6) | /* DSIAC */
+ (1 << 5) | /* DPIAC */
+ (1 << 4) | /* DCAC */
+ (1 << 3) | /* SDIAC */
+ (1 << 2) | /* SSIAC */
+ (1 << 1) | /* SPIAC */
+ 1; /* SCAC */
+ break;
+
+ case 0x458: /* DMA_CAPS_3 */
+ *ret = (1 << 5) | /* CCC */
+ (1 << 4) | /* IC */
+ (1 << 3) | /* ARC */
+ (1 << 2) | /* AEC */
+ (1 << 1) | /* FSC */
+ 1; /* ESC */
+ break;
+
+ case 0x45a: /* DMA_CAPS_4 */
+ *ret = (1 << 6) | /* SSC */
+ (1 << 5) | /* BIC */
+ (1 << 4) | /* LFIC */
+ (1 << 3) | /* FIC */
+ (1 << 2) | /* HFIC */
+ (1 << 1) | /* EDIC */
+ 1; /* TOIC */
+ break;
+
+ case 0x460: /* DMA_PCh2_SR */
+ case 0x480: /* DMA_PCh0_SR */
+ case 0x482: /* DMA_PCh1_SR */
+ case 0x4c0: /* DMA_PChD_SR_0 */
+ printf("%s: Physical Channel Status Registers not implemented.\n",
+ __FUNCTION__);
+ *ret = 0xff;
+ break;
+
+ default:
+ return 1;
+ }
+ return 0;
+}
+
+static uint32_t omap_dma_read(void *opaque, target_phys_addr_t addr)
+{
+ struct omap_dma_s *s = (struct omap_dma_s *) opaque;
+ int reg, ch, offset = addr - s->base;
+ uint16_t ret;
+
+ switch (offset) {
+ case 0x300 ... 0x3fe:
+ if (s->model == omap_dma_3_1 || !s->omap_3_1_mapping_disabled) {
+ if (omap_dma_3_1_lcd_read(s, offset, &ret))
+ break;
+ return ret;
+ }
+ /* Fall through. */
+ case 0x000 ... 0x2fe:
+ reg = offset & 0x3f;
+ ch = (offset >> 6) & 0x0f;
+ if (omap_dma_ch_reg_read(s, ch, reg, &ret))
+ break;
+ return ret;
+
+ case 0x404 ... 0x4fe:
+ if (s->model == omap_dma_3_1)
+ break;
+ /* Fall through. */
+ case 0x400:
+ if (omap_dma_sys_read(s, offset, &ret))
+ break;
+ return ret;
+
+ case 0xb00 ... 0xbfe:
+ if (s->model == omap_dma_3_2 && s->omap_3_1_mapping_disabled) {
+ if (omap_dma_3_2_lcd_read(s, offset, &ret))
+ break;
+ return ret;
+ }
+ break;
+ }
+
+ OMAP_BAD_REG(addr);
+ return 0;
+}
+
+static void omap_dma_write(void *opaque, target_phys_addr_t addr,
+ uint32_t value)
+{
+ struct omap_dma_s *s = (struct omap_dma_s *) opaque;
+ int reg, ch, offset = addr - s->base;
+
+ switch (offset) {
+ case 0x300 ... 0x3fe:
+ if (s->model == omap_dma_3_1 || !s->omap_3_1_mapping_disabled) {
+ if (omap_dma_3_1_lcd_write(s, offset, value))
+ break;
+ return;
+ }
+ /* Fall through. */
+ case 0x000 ... 0x2fe:
+ reg = offset & 0x3f;
+ ch = (offset >> 6) & 0x0f;
+ if (omap_dma_ch_reg_write(s, ch, reg, value))
+ break;
+ return;
+
+ case 0x404 ... 0x4fe:
+ if (s->model == omap_dma_3_1)
+ break;
+ case 0x400:
+ /* Fall through. */
+ if (omap_dma_sys_write(s, offset, value))
+ break;
+ return;
+
+ case 0xb00 ... 0xbfe:
+ if (s->model == omap_dma_3_2 && s->omap_3_1_mapping_disabled) {
+ if (omap_dma_3_2_lcd_write(s, offset, value))
+ break;
+ return;
+ }
+ break;
+ }
+
+ OMAP_BAD_REG(addr);
}
static CPUReadMemoryFunc *omap_dma_readfn[] = {
@@ -1005,7 +1644,7 @@ static void omap_dma_request(void *opaque, int drq, int req)
if (req) {
if (~s->drq & (1 << drq)) {
s->drq |= 1 << drq;
- omap_dma_request_run(s, 0, drq);
+ omap_dma_process_request(s, drq);
}
} else
s->drq &= ~(1 << drq);
@@ -1026,36 +1665,27 @@ static void omap_dma_clk_update(void *opaque, int line, int on)
}
}
-static void omap_dma_reset(struct omap_dma_s *s)
-{
- int i;
-
- qemu_del_timer(s->tm);
- s->gcr = 0x0004;
- s->drq = 0x00000000;
- s->run_count = 0;
- s->lcd_ch.src = emiff;
- s->lcd_ch.condition = 0;
- s->lcd_ch.interrupts = 0;
- s->lcd_ch.dual = 0;
- memset(s->ch, 0, sizeof(s->ch));
- for (i = 0; i < s->chans; i ++)
- s->ch[i].interrupts = 0x0003;
-}
-
-struct omap_dma_s *omap_dma_init(target_phys_addr_t base,
- qemu_irq pic[], struct omap_mpu_state_s *mpu, omap_clk clk)
+struct omap_dma_s *omap_dma_init(target_phys_addr_t base, qemu_irq *irqs,
+ qemu_irq lcd_irq, struct omap_mpu_state_s *mpu, omap_clk clk,
+ enum omap_dma_model model)
{
- int iomemtype;
+ int iomemtype, num_irqs, memsize;
struct omap_dma_s *s = (struct omap_dma_s *)
qemu_mallocz(sizeof(struct omap_dma_s));
- s->ih = pic;
+ if (model == omap_dma_3_1) {
+ num_irqs = 6;
+ memsize = 0x800;
+ } else {
+ num_irqs = 16;
+ memsize = 0xc00;
+ }
+ memcpy(s->irqs, irqs, num_irqs * sizeof(qemu_irq));
s->base = base;
- s->chans = 9;
+ s->model = model;
s->mpu = mpu;
s->clk = clk;
- s->lcd_ch.irq = pic[OMAP_INT_DMA_LCD];
+ s->lcd_ch.irq = lcd_irq;
s->lcd_ch.mpu = mpu;
s->tm = qemu_new_timer(vm_clock, (QEMUTimerCB *) omap_dma_channel_run, s);
omap_clk_adduser(s->clk, qemu_allocate_irqs(omap_dma_clk_update, s, 1)[0]);
@@ -1065,7 +1695,7 @@ struct omap_dma_s *omap_dma_init(target_phys_addr_t base,
iomemtype = cpu_register_io_memory(0, omap_dma_readfn,
omap_dma_writefn, s);
- cpu_register_physical_memory(s->base, 0x800, iomemtype);
+ cpu_register_physical_memory(s->base, memsize, iomemtype);
return s;
}
@@ -4919,13 +5549,39 @@ static void omap_mpu_wakeup(void *opaque, int irq, int req)
cpu_interrupt(mpu->env, CPU_INTERRUPT_EXITTB);
}
+struct dma_irq_map {
+ int ih;
+ int intr;
+};
+
+static const struct dma_irq_map omap_dma_irq_map[] = {
+ { 0, OMAP_INT_DMA_CH0_6 },
+ { 0, OMAP_INT_DMA_CH1_7 },
+ { 0, OMAP_INT_DMA_CH2_8 },
+ { 0, OMAP_INT_DMA_CH3 },
+ { 0, OMAP_INT_DMA_CH4 },
+ { 0, OMAP_INT_DMA_CH5 },
+ { 1, OMAP_INT_1610_DMA_CH6 },
+ { 1, OMAP_INT_1610_DMA_CH7 },
+ { 1, OMAP_INT_1610_DMA_CH8 },
+ { 1, OMAP_INT_1610_DMA_CH9 },
+ { 1, OMAP_INT_1610_DMA_CH10 },
+ { 1, OMAP_INT_1610_DMA_CH11 },
+ { 1, OMAP_INT_1610_DMA_CH12 },
+ { 1, OMAP_INT_1610_DMA_CH13 },
+ { 1, OMAP_INT_1610_DMA_CH14 },
+ { 1, OMAP_INT_1610_DMA_CH15 }
+};
+
struct omap_mpu_state_s *omap310_mpu_init(unsigned long sdram_size,
DisplayState *ds, const char *core)
{
+ int i;
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;
qemu_irq *cpu_irq;
+ qemu_irq dma_irqs[6];
int sdindex;
if (!core)
@@ -4964,8 +5620,11 @@ struct omap_mpu_state_s *omap310_mpu_init(unsigned long sdram_size,
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"));
+ for (i = 0; i < 6; i ++)
+ dma_irqs[i] = s->irq[omap_dma_irq_map[i].ih][omap_dma_irq_map[i].intr];
+ s->dma = omap_dma_init(0xfffed800, dma_irqs, s->irq[0][OMAP_INT_DMA_LCD],
+ s, omap_findclk(s, "dma_ck"), omap_dma_3_1);
+
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;
diff --git a/hw/omap.h b/hw/omap.h
index cd4e53bc98..18145ed80f 100644
--- a/hw/omap.h
+++ b/hw/omap.h
@@ -336,26 +336,68 @@ struct omap_intr_handler_s *omap_inth_init(target_phys_addr_t base,
# define OMAP_INT_243X_HS_USB_DMA 93
# define OMAP_INT_243X_CARKIT 94
+enum omap_dma_model {
+ omap_dma_3_1 = 0,
+ omap_dma_3_2
+};
+
struct omap_dma_s;
-struct omap_dma_s *omap_dma_init(target_phys_addr_t base,
- qemu_irq pic[], struct omap_mpu_state_s *mpu, omap_clk clk);
+struct omap_dma_s *omap_dma_init(target_phys_addr_t base, qemu_irq *irqs,
+ qemu_irq lcd_irq, struct omap_mpu_state_s *mpu, omap_clk clk,
+ enum omap_dma_model model);
enum omap_dma_port {
emiff = 0,
emifs,
- imif,
+ imif, /* omap16xx: ocp_t1 */
tipb,
- local,
+ local, /* omap16xx: ocp_t2 */
tipb_mpui,
omap_dma_port_last,
};
+typedef enum {
+ constant = 0,
+ post_incremented,
+ single_index,
+ double_index,
+} omap_dma_addressing_t;
+
struct omap_dma_lcd_channel_s {
enum omap_dma_port src;
target_phys_addr_t src_f1_top;
target_phys_addr_t src_f1_bottom;
target_phys_addr_t src_f2_top;
target_phys_addr_t src_f2_bottom;
+
+ /* Used in OMAP DMA 3.2 gigacell */
+ unsigned char brust_f1;
+ unsigned char pack_f1;
+ unsigned char data_type_f1;
+ unsigned char brust_f2;
+ unsigned char pack_f2;
+ unsigned char data_type_f2;
+ unsigned char end_prog;
+ unsigned char repeat;
+ unsigned char auto_init;
+ unsigned char priority;
+ unsigned char fs;
+ unsigned char running;
+ unsigned char bs;
+ unsigned char omap_3_1_compatible_disable;
+ unsigned char dst;
+ unsigned char lch_type;
+ int16_t element_index_f1;
+ int16_t element_index_f2;
+ int32_t frame_index_f1;
+ int32_t frame_index_f2;
+ uint16_t elements_f1;
+ uint16_t frames_f1;
+ uint16_t elements_f2;
+ uint16_t frames_f2;
+ omap_dma_addressing_t mode_f1;
+ omap_dma_addressing_t mode_f2;
+
/* Destination port is fixed. */
int interrupts;
int condition;