| /* |
| * TI OMAP processors emulation. |
| * |
| * Copyright (C) 2006-2007 Andrzej Zaborowski <balrog@zabor.org> |
| * |
| * This program is free software; you can redistribute it and/or |
| * modify it under the terms of the GNU General Public License as |
| * published by the Free Software Foundation; either version 2 of |
| * the License, or (at your option) any later version. |
| * |
| * This program is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| * GNU General Public License for more details. |
| * |
| * You should have received a copy of the GNU General Public License |
| * along with this program; if not, write to the Free Software |
| * Foundation, Inc., 59 Temple Place, Suite 330, Boston, |
| * MA 02111-1307 USA |
| */ |
| #include "vl.h" |
| #include "arm_pic.h" |
| |
| /* Should signal the TCMI */ |
| uint32_t omap_badwidth_read16(void *opaque, target_phys_addr_t addr) |
| { |
| OMAP_16B_REG(addr); |
| return 0; |
| } |
| |
| void omap_badwidth_write16(void *opaque, target_phys_addr_t addr, |
| uint32_t value) |
| { |
| OMAP_16B_REG(addr); |
| } |
| |
| uint32_t omap_badwidth_read32(void *opaque, target_phys_addr_t addr) |
| { |
| OMAP_32B_REG(addr); |
| return 0; |
| } |
| |
| void omap_badwidth_write32(void *opaque, target_phys_addr_t addr, |
| uint32_t value) |
| { |
| OMAP_32B_REG(addr); |
| } |
| |
| /* Interrupt Handlers */ |
| struct omap_intr_handler_s { |
| qemu_irq *pins; |
| qemu_irq *parent_pic; |
| target_phys_addr_t base; |
| |
| /* state */ |
| uint32_t irqs; |
| uint32_t mask; |
| uint32_t sens_edge; |
| uint32_t fiq; |
| int priority[32]; |
| uint32_t new_irq_agr; |
| uint32_t new_fiq_agr; |
| int sir_irq; |
| int sir_fiq; |
| int stats[32]; |
| }; |
| |
| static void omap_inth_update(struct omap_intr_handler_s *s) |
| { |
| uint32_t irq = s->irqs & ~s->mask & ~s->fiq; |
| uint32_t fiq = s->irqs & ~s->mask & s->fiq; |
| |
| if (s->new_irq_agr || !irq) { |
| qemu_set_irq(s->parent_pic[ARM_PIC_CPU_IRQ], irq); |
| if (irq) |
| s->new_irq_agr = 0; |
| } |
| |
| if (s->new_fiq_agr || !irq) { |
| qemu_set_irq(s->parent_pic[ARM_PIC_CPU_FIQ], fiq); |
| if (fiq) |
| s->new_fiq_agr = 0; |
| } |
| } |
| |
| static void omap_inth_sir_update(struct omap_intr_handler_s *s) |
| { |
| int i, intr_irq, intr_fiq, p_irq, p_fiq, p, f; |
| uint32_t level = s->irqs & ~s->mask; |
| |
| intr_irq = 0; |
| intr_fiq = 0; |
| p_irq = -1; |
| p_fiq = -1; |
| /* Find the interrupt line with the highest dynamic priority */ |
| for (f = ffs(level), i = f - 1, level >>= f - 1; f; i += f, level >>= f) { |
| p = s->priority[i]; |
| if (s->fiq & (1 << i)) { |
| if (p > p_fiq) { |
| p_fiq = p; |
| intr_fiq = i; |
| } |
| } else { |
| if (p > p_irq) { |
| p_irq = p; |
| intr_irq = i; |
| } |
| } |
| |
| f = ffs(level >> 1); |
| } |
| |
| s->sir_irq = intr_irq; |
| s->sir_fiq = intr_fiq; |
| } |
| |
| #define INT_FALLING_EDGE 0 |
| #define INT_LOW_LEVEL 1 |
| |
| static void omap_set_intr(void *opaque, int irq, int req) |
| { |
| struct omap_intr_handler_s *ih = (struct omap_intr_handler_s *) opaque; |
| uint32_t rise; |
| |
| if (req) { |
| rise = ~ih->irqs & (1 << irq); |
| ih->irqs |= rise; |
| ih->stats[irq] += !!rise; |
| } else { |
| rise = ih->sens_edge & ih->irqs & (1 << irq); |
| ih->irqs &= ~rise; |
| } |
| |
| if (rise & ~ih->mask) { |
| omap_inth_sir_update(ih); |
| |
| omap_inth_update(ih); |
| } |
| } |
| |
| static uint32_t omap_inth_read(void *opaque, target_phys_addr_t addr) |
| { |
| struct omap_intr_handler_s *s = (struct omap_intr_handler_s *) opaque; |
| int i, offset = addr - s->base; |
| |
| switch (offset) { |
| case 0x00: /* ITR */ |
| return s->irqs; |
| |
| case 0x04: /* MIR */ |
| return s->mask; |
| |
| case 0x10: /* SIR_IRQ_CODE */ |
| i = s->sir_irq; |
| if (((s->sens_edge >> i) & 1) == INT_FALLING_EDGE && i) { |
| s->irqs &= ~(1 << i); |
| omap_inth_sir_update(s); |
| omap_inth_update(s); |
| } |
| return i; |
| |
| case 0x14: /* SIR_FIQ_CODE */ |
| i = s->sir_fiq; |
| if (((s->sens_edge >> i) & 1) == INT_FALLING_EDGE && i) { |
| s->irqs &= ~(1 << i); |
| omap_inth_sir_update(s); |
| omap_inth_update(s); |
| } |
| return i; |
| |
| case 0x18: /* CONTROL_REG */ |
| return 0; |
| |
| case 0x1c: /* ILR0 */ |
| case 0x20: /* ILR1 */ |
| case 0x24: /* ILR2 */ |
| case 0x28: /* ILR3 */ |
| case 0x2c: /* ILR4 */ |
| case 0x30: /* ILR5 */ |
| case 0x34: /* ILR6 */ |
| case 0x38: /* ILR7 */ |
| case 0x3c: /* ILR8 */ |
| case 0x40: /* ILR9 */ |
| case 0x44: /* ILR10 */ |
| case 0x48: /* ILR11 */ |
| case 0x4c: /* ILR12 */ |
| case 0x50: /* ILR13 */ |
| case 0x54: /* ILR14 */ |
| case 0x58: /* ILR15 */ |
| case 0x5c: /* ILR16 */ |
| case 0x60: /* ILR17 */ |
| case 0x64: /* ILR18 */ |
| case 0x68: /* ILR19 */ |
| case 0x6c: /* ILR20 */ |
| case 0x70: /* ILR21 */ |
| case 0x74: /* ILR22 */ |
| case 0x78: /* ILR23 */ |
| case 0x7c: /* ILR24 */ |
| case 0x80: /* ILR25 */ |
| case 0x84: /* ILR26 */ |
| case 0x88: /* ILR27 */ |
| case 0x8c: /* ILR28 */ |
| case 0x90: /* ILR29 */ |
| case 0x94: /* ILR30 */ |
| case 0x98: /* ILR31 */ |
| i = (offset - 0x1c) >> 2; |
| return (s->priority[i] << 2) | |
| (((s->sens_edge >> i) & 1) << 1) | |
| ((s->fiq >> i) & 1); |
| |
| case 0x9c: /* ISR */ |
| return 0x00000000; |
| |
| default: |
| OMAP_BAD_REG(addr); |
| break; |
| } |
| return 0; |
| } |
| |
| static void omap_inth_write(void *opaque, target_phys_addr_t addr, |
| uint32_t value) |
| { |
| struct omap_intr_handler_s *s = (struct omap_intr_handler_s *) opaque; |
| int i, offset = addr - s->base; |
| |
| switch (offset) { |
| case 0x00: /* ITR */ |
| s->irqs &= value; |
| omap_inth_sir_update(s); |
| omap_inth_update(s); |
| return; |
| |
| case 0x04: /* MIR */ |
| s->mask = value; |
| omap_inth_sir_update(s); |
| omap_inth_update(s); |
| return; |
| |
| case 0x10: /* SIR_IRQ_CODE */ |
| case 0x14: /* SIR_FIQ_CODE */ |
| OMAP_RO_REG(addr); |
| break; |
| |
| case 0x18: /* CONTROL_REG */ |
| if (value & 2) |
| s->new_fiq_agr = ~0; |
| if (value & 1) |
| s->new_irq_agr = ~0; |
| omap_inth_update(s); |
| return; |
| |
| case 0x1c: /* ILR0 */ |
| case 0x20: /* ILR1 */ |
| case 0x24: /* ILR2 */ |
| case 0x28: /* ILR3 */ |
| case 0x2c: /* ILR4 */ |
| case 0x30: /* ILR5 */ |
| case 0x34: /* ILR6 */ |
| case 0x38: /* ILR7 */ |
| case 0x3c: /* ILR8 */ |
| case 0x40: /* ILR9 */ |
| case 0x44: /* ILR10 */ |
| case 0x48: /* ILR11 */ |
| case 0x4c: /* ILR12 */ |
| case 0x50: /* ILR13 */ |
| case 0x54: /* ILR14 */ |
| case 0x58: /* ILR15 */ |
| case 0x5c: /* ILR16 */ |
| case 0x60: /* ILR17 */ |
| case 0x64: /* ILR18 */ |
| case 0x68: /* ILR19 */ |
| case 0x6c: /* ILR20 */ |
| case 0x70: /* ILR21 */ |
| case 0x74: /* ILR22 */ |
| case 0x78: /* ILR23 */ |
| case 0x7c: /* ILR24 */ |
| case 0x80: /* ILR25 */ |
| case 0x84: /* ILR26 */ |
| case 0x88: /* ILR27 */ |
| case 0x8c: /* ILR28 */ |
| case 0x90: /* ILR29 */ |
| case 0x94: /* ILR30 */ |
| case 0x98: /* ILR31 */ |
| i = (offset - 0x1c) >> 2; |
| s->priority[i] = (value >> 2) & 0x1f; |
| s->sens_edge &= ~(1 << i); |
| s->sens_edge |= ((value >> 1) & 1) << i; |
| s->fiq &= ~(1 << i); |
| s->fiq |= (value & 1) << i; |
| return; |
| |
| case 0x9c: /* ISR */ |
| for (i = 0; i < 32; i ++) |
| if (value & (1 << i)) { |
| omap_set_intr(s, i, 1); |
| return; |
| } |
| return; |
| |
| default: |
| OMAP_BAD_REG(addr); |
| } |
| } |
| |
| static CPUReadMemoryFunc *omap_inth_readfn[] = { |
| omap_badwidth_read32, |
| omap_badwidth_read32, |
| omap_inth_read, |
| }; |
| |
| static CPUWriteMemoryFunc *omap_inth_writefn[] = { |
| omap_inth_write, |
| omap_inth_write, |
| omap_inth_write, |
| }; |
| |
| static void omap_inth_reset(struct omap_intr_handler_s *s) |
| { |
| s->irqs = 0x00000000; |
| s->mask = 0xffffffff; |
| s->sens_edge = 0x00000000; |
| s->fiq = 0x00000000; |
| memset(s->priority, 0, sizeof(s->priority)); |
| s->new_irq_agr = ~0; |
| s->new_fiq_agr = ~0; |
| s->sir_irq = 0; |
| s->sir_fiq = 0; |
| |
| omap_inth_update(s); |
| } |
| |
| struct omap_intr_handler_s *omap_inth_init(target_phys_addr_t base, |
| unsigned long size, qemu_irq parent[2], omap_clk clk) |
| { |
| int iomemtype; |
| struct omap_intr_handler_s *s = (struct omap_intr_handler_s *) |
| qemu_mallocz(sizeof(struct omap_intr_handler_s)); |
| |
| s->parent_pic = parent; |
| s->base = base; |
| s->pins = qemu_allocate_irqs(omap_set_intr, s, 32); |
| omap_inth_reset(s); |
| |
| iomemtype = cpu_register_io_memory(0, omap_inth_readfn, |
| omap_inth_writefn, s); |
| cpu_register_physical_memory(s->base, size, iomemtype); |
| |
| return s; |
| } |
| |
| /* OMAP1 DMA module */ |
| typedef enum { |
| constant = 0, |
| post_incremented, |
| single_index, |
| double_index, |
| } omap_dma_addressing_t; |
| |
| struct omap_dma_channel_s { |
| int burst[2]; |
| int pack[2]; |
| enum omap_dma_port port[2]; |
| target_phys_addr_t addr[2]; |
| omap_dma_addressing_t mode[2]; |
| int data_type; |
| int end_prog; |
| int repeat; |
| int auto_init; |
| int priority; |
| int fs; |
| int sync; |
| int running; |
| 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; |
| uint16_t cpc; |
| |
| struct omap_dma_reg_set_s { |
| target_phys_addr_t src, dest; |
| int frame; |
| int element; |
| int frame_delta[2]; |
| int elem_delta[2]; |
| int frames; |
| int elements; |
| } active_set; |
| }; |
| |
| struct omap_dma_s { |
| qemu_irq *ih; |
| QEMUTimer *tm; |
| struct omap_mpu_state_s *mpu; |
| target_phys_addr_t base; |
| omap_clk clk; |
| int64_t delay; |
| uint32_t drq; |
| |
| uint16_t gcr; |
| int run_count; |
| |
| int chans; |
| struct omap_dma_channel_s ch[16]; |
| struct omap_dma_lcd_channel_s lcd_ch; |
| }; |
| |
| 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); |
| } |
| |
| 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; |
| |
| /* |
| * TODO: verify address ranges and alignment |
| * TODO: port endianness |
| */ |
| |
| a->src = s->ch[ch].addr[0]; |
| a->dest = s->ch[ch].addr[1]; |
| a->frames = s->ch[ch].frames; |
| a->elements = s->ch[ch].elements; |
| a->frame = 0; |
| a->element = 0; |
| |
| if (unlikely(!s->ch[ch].elements || !s->ch[ch].frames)) { |
| printf("%s: bad DMA request\n", __FUNCTION__); |
| return; |
| } |
| |
| for (i = 0; i < 2; i ++) |
| switch (s->ch[ch].mode[i]) { |
| case constant: |
| a->elem_delta[i] = 0; |
| a->frame_delta[i] = 0; |
| break; |
| case post_incremented: |
| a->elem_delta[i] = s->ch[ch].data_type; |
| a->frame_delta[i] = 0; |
| 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; |
| 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; |
| break; |
| default: |
| break; |
| } |
| } |
| |
| static inline void omap_dma_request_run(struct omap_dma_s *s, |
| int channel, int request) |
| { |
| next_channel: |
| if (request > 0) |
| for (; channel < 9; channel ++) |
| if (s->ch[channel].sync == request && s->ch[channel].running) |
| break; |
| if (channel >= 9) |
| 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); |
| return; |
| } |
| |
| if (!s->ch[channel].signalled) |
| s->run_count ++; |
| s->ch[channel].signalled = 1; |
| |
| if (request > 0) |
| s->ch[channel].status |= 0x40; /* External request */ |
| |
| if (s->delay && !qemu_timer_pending(s->tm)) |
| qemu_mod_timer(s->tm, qemu_get_clock(vm_clock) + s->delay); |
| |
| if (request > 0) { |
| channel ++; |
| goto next_channel; |
| } |
| } |
| |
| static inline void omap_dma_request_stop(struct omap_dma_s *s, int channel) |
| { |
| if (s->ch[channel].signalled) |
| s->run_count --; |
| s->ch[channel].signalled = 0; |
| |
| if (!s->run_count) |
| qemu_del_timer(s->tm); |
| } |
| |
| static void omap_dma_channel_run(struct omap_dma_s *s) |
| { |
| int ch; |
| uint16_t status; |
| uint8_t value[4]; |
| struct omap_dma_port_if_s *src_p, *dest_p; |
| struct omap_dma_reg_set_s *a; |
| |
| for (ch = 0; ch < 9; ch ++) { |
| 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 0 |
| /* Bus time-out */ |
| if (s->ch[ch].interrupts & 0x01) |
| s->ch[ch].status |= 0x01; |
| omap_dma_request_stop(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) { |
| /* 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; |
| |
| a->src += a->elem_delta[0]; |
| a->dest += a->elem_delta[1]; |
| a->element ++; |
| |
| /* Check interrupt conditions */ |
| if (a->element == a->elements) { |
| 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 (s->ch[ch].auto_init && |
| (s->ch[ch].repeat || |
| s->ch[ch].end_prog)) |
| omap_dma_channel_load(s, ch); |
| |
| if (s->ch[ch].interrupts & 0x20) |
| s->ch[ch].status |= 0x20; |
| |
| 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->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); |
| if (s->run_count && s->delay) |
| 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) { |
| switch (reg) { |
| case 0x00: /* SYS_DMA_CSDP_CH0 */ |
| *value = (s->ch[ch].burst[1] << 14) | |
| (s->ch[ch].pack[1] << 13) | |
| (s->ch[ch].port[1] << 9) | |
| (s->ch[ch].burst[0] << 7) | |
| (s->ch[ch].pack[0] << 6) | |
| (s->ch[ch].port[0] << 2) | |
| (s->ch[ch].data_type >> 1); |
| break; |
| |
| case 0x02: /* SYS_DMA_CCR_CH0 */ |
| *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].priority << 6) | |
| (s->ch[ch].fs << 5) | s->ch[ch].sync; |
| break; |
| |
| case 0x04: /* SYS_DMA_CICR_CH0 */ |
| *value = s->ch[ch].interrupts; |
| break; |
| |
| case 0x06: /* SYS_DMA_CSR_CH0 */ |
| /* FIXME: shared CSR for channels sharing the interrupts */ |
| *value = s->ch[ch].status; |
| s->ch[ch].status &= 0x40; |
| omap_dma_interrupts_update(s); |
| break; |
| |
| case 0x08: /* SYS_DMA_CSSA_L_CH0 */ |
| *value = s->ch[ch].addr[0] & 0x0000ffff; |
| break; |
| |
| case 0x0a: /* SYS_DMA_CSSA_U_CH0 */ |
| *value = s->ch[ch].addr[0] >> 16; |
| break; |
| |
| case 0x0c: /* SYS_DMA_CDSA_L_CH0 */ |
| *value = s->ch[ch].addr[1] & 0x0000ffff; |
| break; |
| |
| case 0x0e: /* SYS_DMA_CDSA_U_CH0 */ |
| *value = s->ch[ch].addr[1] >> 16; |
| break; |
| |
| case 0x10: /* SYS_DMA_CEN_CH0 */ |
| *value = s->ch[ch].elements; |
| break; |
| |
| case 0x12: /* SYS_DMA_CFN_CH0 */ |
| *value = s->ch[ch].frames; |
| break; |
| |
| case 0x14: /* SYS_DMA_CFI_CH0 */ |
| *value = s->ch[ch].frame_index; |
| break; |
| |
| case 0x16: /* SYS_DMA_CEI_CH0 */ |
| *value = s->ch[ch].element_index; |
| break; |
| |
| case 0x18: /* SYS_DMA_CPC_CH0 */ |
| *value = s->ch[ch].cpc; |
| break; |
| |
| default: |
| return 1; |
| } |
| return 0; |
| } |
| |
| static int omap_dma_ch_reg_write(struct omap_dma_s *s, |
| int ch, int reg, uint16_t value) { |
| switch (reg) { |
| case 0x00: /* SYS_DMA_CSDP_CH0 */ |
| s->ch[ch].burst[1] = (value & 0xc000) >> 14; |
| s->ch[ch].pack[1] = (value & 0x2000) >> 13; |
| s->ch[ch].port[1] = (enum omap_dma_port) ((value & 0x1e00) >> 9); |
| s->ch[ch].burst[0] = (value & 0x0180) >> 7; |
| s->ch[ch].pack[0] = (value & 0x0040) >> 6; |
| s->ch[ch].port[0] = (enum omap_dma_port) ((value & 0x003c) >> 2); |
| s->ch[ch].data_type = (1 << (value & 3)); |
| if (s->ch[ch].port[0] >= omap_dma_port_last) |
| printf("%s: invalid DMA port %i\n", __FUNCTION__, |
| s->ch[ch].port[0]); |
| if (s->ch[ch].port[1] >= omap_dma_port_last) |
| printf("%s: invalid DMA port %i\n", __FUNCTION__, |
| s->ch[ch].port[1]); |
| if ((value & 3) == 3) |
| printf("%s: bad data_type for DMA channel %i\n", __FUNCTION__, ch); |
| break; |
| |
| case 0x02: /* SYS_DMA_CCR_CH0 */ |
| 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; |
| 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); |
| } |
| break; |
| |
| case 0x04: /* SYS_DMA_CICR_CH0 */ |
| s->ch[ch].interrupts = value & 0x003f; |
| break; |
| |
| case 0x06: /* SYS_DMA_CSR_CH0 */ |
| return 1; |
| |
| case 0x08: /* SYS_DMA_CSSA_L_CH0 */ |
| s->ch[ch].addr[0] &= 0xffff0000; |
| s->ch[ch].addr[0] |= value; |
| break; |
| |
| case 0x0a: /* SYS_DMA_CSSA_U_CH0 */ |
| s->ch[ch].addr[0] &= 0x0000ffff; |
| s->ch[ch].addr[0] |= value << 16; |
| break; |
| |
| case 0x0c: /* SYS_DMA_CDSA_L_CH0 */ |
| s->ch[ch].addr[1] &= 0xffff0000; |
| s->ch[ch].addr[1] |= value; |
| break; |
| |
| case 0x0e: /* SYS_DMA_CDSA_U_CH0 */ |
| s->ch[ch].addr[1] &= 0x0000ffff; |
| s->ch[ch].addr[1] |= value << 16; |
| break; |
| |
| case 0x10: /* SYS_DMA_CEN_CH0 */ |
| s->ch[ch].elements = value & 0xffff; |
| break; |
| |
| case 0x12: /* SYS_DMA_CFN_CH0 */ |
| s->ch[ch].frames = value & 0xffff; |
| break; |
| |
| case 0x14: /* SYS_DMA_CFI_CH0 */ |
| s->ch[ch].frame_index = value & 0xffff; |
| break; |
| |
| case 0x16: /* SYS_DMA_CEI_CH0 */ |
| s->ch[ch].element_index = value & 0xffff; |
| break; |
| |
| case 0x18: /* SYS_DMA_CPC_CH0 */ |
| return 1; |
| |
| default: |
| OMAP_BAD_REG((unsigned long) reg); |
| } |
| 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 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 0x300: /* SYS_DMA_LCD_CTRL */ |
| i = s->lcd_ch.condition; |
| 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; |
| |
| case 0x302: /* SYS_DMA_LCD_TOP_F1_L */ |
| return s->lcd_ch.src_f1_top & 0xffff; |
| |
| case 0x304: /* SYS_DMA_LCD_TOP_F1_U */ |
| return s->lcd_ch.src_f1_top >> 16; |
| |
| case 0x306: /* SYS_DMA_LCD_BOT_F1_L */ |
| return s->lcd_ch.src_f1_bottom & 0xffff; |
| |
| case 0x308: /* SYS_DMA_LCD_BOT_F1_U */ |
| return s->lcd_ch.src_f1_bottom >> 16; |
| |
| case 0x30a: /* SYS_DMA_LCD_TOP_F2_L */ |
| return s->lcd_ch.src_f2_top & 0xffff; |
| |
| case 0x30c: /* SYS_DMA_LCD_TOP_F2_U */ |
| return s->lcd_ch.src_f2_top >> 16; |
| |
| case 0x30e: /* SYS_DMA_LCD_BOT_F2_L */ |
| return s->lcd_ch.src_f2_bottom & 0xffff; |
| |
| case 0x310: /* SYS_DMA_LCD_BOT_F2_U */ |
| return s->lcd_ch.src_f2_bottom >> 16; |
| |
| case 0x400: /* SYS_DMA_GCR */ |
| return s->gcr; |
| } |
| |
| 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 0x000 ... 0x2fe: |
| reg = offset & 0x3f; |
| ch = (offset >> 6) & 0x0f; |
| if (omap_dma_ch_reg_write(s, ch, reg, value)) |
| OMAP_RO_REG(addr); |
| break; |
| |
| case 0x300: /* SYS_DMA_LCD_CTRL */ |
| s->lcd_ch.src = (value & 0x40) ? imif : emiff; |
| s->lcd_ch.condition = 0; |
| /* 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 */ |
| s->lcd_ch.src_f1_top &= 0xffff0000; |
| s->lcd_ch.src_f1_top |= 0x0000ffff & value; |
| break; |
| |
| case 0x304: /* SYS_DMA_LCD_TOP_F1_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 */ |
| s->lcd_ch.src_f1_bottom &= 0xffff0000; |
| s->lcd_ch.src_f1_bottom |= 0x0000ffff & value; |
| break; |
| |
| case 0x308: /* SYS_DMA_LCD_BOT_F1_U */ |
| s->lcd_ch.src_f1_bottom &= 0x0000ffff; |
| s->lcd_ch.src_f1_bottom |= value << 16; |
| break; |
| |
| case 0x30a: /* SYS_DMA_LCD_TOP_F2_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 */ |
| s->lcd_ch.src_f2_top &= 0x0000ffff; |
| s->lcd_ch.src_f2_top |= value << 16; |
| break; |
| |
| case 0x30e: /* SYS_DMA_LCD_BOT_F2_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 */ |
| s->lcd_ch.src_f2_bottom &= 0x0000ffff; |
| s->lcd_ch.src_f2_bottom |= value << 16; |
| break; |
| |
| case 0x400: /* SYS_DMA_GCR */ |
| s->gcr = value & 0x000c; |
| break; |
| |
| default: |
| OMAP_BAD_REG(addr); |
| } |
| } |
| |
| static CPUReadMemoryFunc *omap_dma_readfn[] = { |
| omap_badwidth_read16, |
| omap_dma_read, |
| omap_badwidth_read16, |
| }; |
| |
| static CPUWriteMemoryFunc *omap_dma_writefn[] = { |
| omap_badwidth_write16, |
| omap_dma_write, |
| omap_badwidth_write16, |
| }; |
| |
| static void omap_dma_request(void *opaque, int drq, int req) |
| { |
| struct omap_dma_s *s = (struct omap_dma_s *) opaque; |
| /* The request pins are level triggered. */ |
| if (req) { |
| if (~s->drq & (1 << drq)) { |
| s->drq |= 1 << drq; |
| omap_dma_request_run(s, 0, drq); |
| } |
| } else |
| s->drq &= ~(1 << drq); |
| } |
| |
| static void omap_dma_clk_update(void *opaque, int line, int on) |
| { |
| struct omap_dma_s *s = (struct omap_dma_s *) opaque; |
| |
| if (on) { |
| s->delay = ticks_per_sec >> 5; |
| if (s->run_count) |
| qemu_mod_timer(s->tm, qemu_get_clock(vm_clock) + s->delay); |
| } else { |
| s->delay = 0; |
| qemu_del_timer(s->tm); |
| } |
| } |
| |
| 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) |
| { |
| int iomemtype; |
| struct omap_dma_s *s = (struct omap_dma_s *) |
| qemu_mallocz(sizeof(struct omap_dma_s)); |
| |
| s->ih = pic; |
| s->base = base; |
| s->chans = 9; |
| s->mpu = mpu; |
| s->clk = clk; |
| s->lcd_ch.irq = pic[OMAP_INT_DMA_LCD]; |
| 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]); |
| mpu->drq = qemu_allocate_irqs(omap_dma_request, s, 32); |
| omap_dma_reset(s); |
| omap_dma_clk_update(s, 0, 1); |
| |
| iomemtype = cpu_register_io_memory(0, omap_dma_readfn, |
| omap_dma_writefn, s); |
| cpu_register_physical_memory(s->base, 0x800, iomemtype); |
| |
| return s; |
| } |
| |
| /* DMA ports */ |
| 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, |
| 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, |
| 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, |
| target_phys_addr_t addr) |
| { |
| return addr >= 0xfffb0000 && addr < 0xffff0000; |
| } |
| |
| 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, |
| target_phys_addr_t addr) |
| { |
| return addr >= 0xe1010000 && addr < 0xe1020004; |
| } |
| |
| /* MPU OS timers */ |
| struct omap_mpu_timer_s { |
| qemu_irq irq; |
| omap_clk clk; |
| target_phys_addr_t base; |
| uint32_t val; |
| int64_t time; |
| QEMUTimer *timer; |
| int64_t rate; |
| int it_ena; |
| |
| int enable; |
| int ptv; |
| int ar; |
| int st; |
| uint32_t reset_val; |
| }; |
| |
| static inline uint32_t omap_timer_read(struct omap_mpu_timer_s *timer) |
| { |
| uint64_t distance = qemu_get_clock(vm_clock) - timer->time; |
| |
| if (timer->st && timer->enable && timer->rate) |
| return timer->val - muldiv64(distance >> (timer->ptv + 1), |
| timer->rate, ticks_per_sec); |
| else |
| return timer->val; |
| } |
| |
| static inline void omap_timer_sync(struct omap_mpu_timer_s *timer) |
| { |
| timer->val = omap_timer_read(timer); |
| timer->time = qemu_get_clock(vm_clock); |
| } |
| |
| static inline void omap_timer_update(struct omap_mpu_timer_s *timer) |
| { |
| int64_t expires; |
| |
| 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), |
| ticks_per_sec, timer->rate); |
| qemu_mod_timer(timer->timer, expires); |
| } else |
| qemu_del_timer(timer->timer); |
| } |
| |
| static void omap_timer_tick(void *opaque) |
| { |
| struct omap_mpu_timer_s *timer = (struct omap_mpu_timer_s *) opaque; |
| omap_timer_sync(timer); |
| |
| if (!timer->ar) { |
| timer->val = 0; |
| timer->st = 0; |
| } |
| |
| if (timer->it_ena) |
| qemu_irq_raise(timer->irq); |
| omap_timer_update(timer); |
| } |
| |
| static void omap_timer_clk_update(void *opaque, int line, int on) |
| { |
| struct omap_mpu_timer_s *timer = (struct omap_mpu_timer_s *) opaque; |
| |
| omap_timer_sync(timer); |
| timer->rate = on ? omap_clk_getrate(timer->clk) : 0; |
| omap_timer_update(timer); |
| } |
| |
| static void omap_timer_clk_setup(struct omap_mpu_timer_s *timer) |
| { |
| omap_clk_adduser(timer->clk, |
| qemu_allocate_irqs(omap_timer_clk_update, timer, 1)[0]); |
| timer->rate = omap_clk_getrate(timer->clk); |
| } |
| |
| static uint32_t omap_mpu_timer_read(void *opaque, target_phys_addr_t addr) |
| { |
| struct omap_mpu_timer_s *s = (struct omap_mpu_timer_s *) opaque; |
| int offset = addr - s->base; |
| |
| switch (offset) { |
| case 0x00: /* CNTL_TIMER */ |
| return (s->enable << 5) | (s->ptv << 2) | (s->ar << 1) | s->st; |
| |
| case 0x04: /* LOAD_TIM */ |
| break; |
| |
| case 0x08: /* READ_TIM */ |
| return omap_timer_read(s); |
| } |
| |
| OMAP_BAD_REG(addr); |
| return 0; |
| } |
| |
| static void omap_mpu_timer_write(void *opaque, target_phys_addr_t addr, |
| uint32_t value) |
| { |
| struct omap_mpu_timer_s *s = (struct omap_mpu_timer_s *) opaque; |
| int offset = addr - s->base; |
| |
| switch (offset) { |
| case 0x00: /* CNTL_TIMER */ |
| omap_timer_sync(s); |
| s->enable = (value >> 5) & 1; |
| s->ptv = (value >> 2) & 7; |
| s->ar = (value >> 1) & 1; |
| s->st = value & 1; |
| omap_timer_update(s); |
| return; |
| |
| case 0x04: /* LOAD_TIM */ |
| s->reset_val = value; |
| return; |
| |
| case 0x08: /* READ_TIM */ |
| OMAP_RO_REG(addr); |
| break; |
| |
| default: |
| OMAP_BAD_REG(addr); |
| } |
| } |
| |
| static CPUReadMemoryFunc *omap_mpu_timer_readfn[] = { |
| omap_badwidth_read32, |
| omap_badwidth_read32, |
| omap_mpu_timer_read, |
| }; |
| |
| static CPUWriteMemoryFunc *omap_mpu_timer_writefn[] = { |
| omap_badwidth_write32, |
| omap_badwidth_write32, |
| omap_mpu_timer_write, |
| }; |
| |
| static void omap_mpu_timer_reset(struct omap_mpu_timer_s *s) |
| { |
| qemu_del_timer(s->timer); |
| s->enable = 0; |
| s->reset_val = 31337; |
| s->val = 0; |
| s->ptv = 0; |
| s->ar = 0; |
| s->st = 0; |
| s->it_ena = 1; |
| } |
| |
| struct omap_mpu_timer_s *omap_mpu_timer_init(target_phys_addr_t base, |
| qemu_irq irq, omap_clk clk) |
| { |
| int iomemtype; |
| struct omap_mpu_timer_s *s = (struct omap_mpu_timer_s *) |
| qemu_mallocz(sizeof(struct omap_mpu_timer_s)); |
| |
| s->irq = irq; |
| s->clk = clk; |
| s->base = base; |
| s->timer = qemu_new_timer(vm_clock, omap_timer_tick, s); |
| omap_mpu_timer_reset(s); |
| omap_timer_clk_setup(s); |
| |
| iomemtype = cpu_register_io_memory(0, omap_mpu_timer_readfn, |
| omap_mpu_timer_writefn, s); |
| cpu_register_physical_memory(s->base, 0x100, iomemtype); |
| |
| return s; |
| } |
| |
| /* Watchdog timer */ |
| struct omap_watchdog_timer_s { |
| struct omap_mpu_timer_s timer; |
| uint8_t last_wr; |
| int mode; |
| int free; |
| int reset; |
| }; |
| |
| static uint32_t omap_wd_timer_read(void *opaque, target_phys_addr_t addr) |
| { |
| struct omap_watchdog_timer_s *s = (struct omap_watchdog_timer_s *) opaque; |
| int offset = addr - s->timer.base; |
| |
| switch (offset) { |
| case 0x00: /* CNTL_TIMER */ |
| return (s->timer.ptv << 9) | (s->timer.ar << 8) | |
| (s->timer.st << 7) | (s->free << 1); |
| |
| case 0x04: /* READ_TIMER */ |
| return omap_timer_read(&s->timer); |
| |
| case 0x08: /* TIMER_MODE */ |
| return s->mode << 15; |
| } |
| |
| OMAP_BAD_REG(addr); |
| return 0; |
| } |
| |
| static void omap_wd_timer_write(void *opaque, target_phys_addr_t addr, |
| uint32_t value) |
| { |
| struct omap_watchdog_timer_s *s = (struct omap_watchdog_timer_s *) opaque; |
| int offset = addr - s->timer.base; |
| |
| switch (offset) { |
| case 0x00: /* CNTL_TIMER */ |
| omap_timer_sync(&s->timer); |
| s->timer.ptv = (value >> 9) & 7; |
| s->timer.ar = (value >> 8) & 1; |
| s->timer.st = (value >> 7) & 1; |
| s->free = (value >> 1) & 1; |
| omap_timer_update(&s->timer); |
| break; |
| |
| case 0x04: /* LOAD_TIMER */ |
| s->timer.reset_val = value & 0xffff; |
| break; |
| |
| case 0x08: /* TIMER_MODE */ |
| if (!s->mode && ((value >> 15) & 1)) |
| omap_clk_get(s->timer.clk); |
| s->mode |= (value >> 15) & 1; |
| if (s->last_wr == 0xf5) { |
| if ((value & 0xff) == 0xa0) { |
| 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. */ |
| s->reset = 1; |
| qemu_system_reset_request(); |
| } |
| } |
| s->last_wr = value & 0xff; |
| break; |
| |
| default: |
| OMAP_BAD_REG(addr); |
| } |
| } |
| |
| static CPUReadMemoryFunc *omap_wd_timer_readfn[] = { |
| omap_badwidth_read16, |
| omap_wd_timer_read, |
| omap_badwidth_read16, |
| }; |
| |
| static CPUWriteMemoryFunc *omap_wd_timer_writefn[] = { |
| omap_badwidth_write16, |
| omap_wd_timer_write, |
| omap_badwidth_write16, |
| }; |
| |
| static void omap_wd_timer_reset(struct omap_watchdog_timer_s *s) |
| { |
| qemu_del_timer(s->timer.timer); |
| if (!s->mode) |
| omap_clk_get(s->timer.clk); |
| s->mode = 1; |
| s->free = 1; |
| s->reset = 0; |
| s->timer.enable = 1; |
| s->timer.it_ena = 1; |
| s->timer.reset_val = 0xffff; |
| s->timer.val = 0; |
| s->timer.st = 0; |
| s->timer.ptv = 0; |
| s->timer.ar = 0; |
| omap_timer_update(&s->timer); |
| } |
| |
| struct omap_watchdog_timer_s *omap_wd_timer_init(target_phys_addr_t base, |
| qemu_irq irq, omap_clk clk) |
| { |
| int iomemtype; |
| struct omap_watchdog_timer_s *s = (struct omap_watchdog_timer_s *) |
| qemu_mallocz(sizeof(struct omap_watchdog_timer_s)); |
| |
| s->timer.irq = irq; |
| s->timer.clk = clk; |
| s->timer.base = base; |
| s->timer.timer = qemu_new_timer(vm_clock, omap_timer_tick, &s->timer); |
| omap_wd_timer_reset(s); |
| omap_timer_clk_setup(&s->timer); |
| |
| iomemtype = cpu_register_io_memory(0, omap_wd_timer_readfn, |
| omap_wd_timer_writefn, s); |
| cpu_register_physical_memory(s->timer.base, 0x100, iomemtype); |
| |
| return s; |
| } |
| |
| /* 32-kHz timer */ |
| struct omap_32khz_timer_s { |
| struct omap_mpu_timer_s timer; |
| }; |
| |
| 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; |
| |
| switch (offset) { |
| case 0x00: /* TVR */ |
| return s->timer.reset_val; |
| |
| case 0x04: /* TCR */ |
| return omap_timer_read(&s->timer); |
| |
| case 0x08: /* CR */ |
| return (s->timer.ar << 3) | (s->timer.it_ena << 2) | s->timer.st; |
| |
| default: |
| break; |
| } |
| OMAP_BAD_REG(addr); |
| return 0; |
| } |
| |
| static void omap_os_timer_write(void *opaque, target_phys_addr_t addr, |
| uint32_t value) |
| { |
| struct omap_32khz_timer_s *s = (struct omap_32khz_timer_s *) opaque; |
| int offset = addr - s->timer.base; |
| |
| switch (offset) { |
| case 0x00: /* TVR */ |
| s->timer.reset_val = value & 0x00ffffff; |
| break; |
| |
| case 0x04: /* TCR */ |
| OMAP_RO_REG(addr); |
| break; |
| |
| case 0x08: /* CR */ |
| s->timer.ar = (value >> 3) & 1; |
| s->timer.it_ena = (value >> 2) & 1; |
| if (s->timer.st != (value & 1) || (value & 2)) { |
| omap_timer_sync(&s->timer); |
| s->timer.enable = value & 1; |
| s->timer.st = value & 1; |
| omap_timer_update(&s->timer); |
| } |
| break; |
| |
| default: |
| OMAP_BAD_REG(addr); |
| } |
| } |
| |
| static CPUReadMemoryFunc *omap_os_timer_readfn[] = { |
| omap_badwidth_read32, |
| omap_badwidth_read32, |
| omap_os_timer_read, |
| }; |
| |
| static CPUWriteMemoryFunc *omap_os_timer_writefn[] = { |
| omap_badwidth_write32, |
| omap_badwidth_write32, |
| omap_os_timer_write, |
| }; |
| |
| static void omap_os_timer_reset(struct omap_32khz_timer_s *s) |
| { |
| qemu_del_timer(s->timer.timer); |
| s->timer.enable = 0; |
| s->timer.it_ena = 0; |
| s->timer.reset_val = 0x00ffffff; |
| s->timer.val = 0; |
| s->timer.st = 0; |
| s->timer.ptv = 0; |
| s->timer.ar = 1; |
| } |
| |
| struct omap_32khz_timer_s *omap_os_timer_init(target_phys_addr_t base, |
| qemu_irq irq, omap_clk clk) |
| { |
| int iomemtype; |
| struct omap_32khz_timer_s *s = (struct omap_32khz_timer_s *) |
| qemu_mallocz(sizeof(struct omap_32khz_timer_s)); |
| |
| s->timer.irq = irq; |
| s->timer.clk = clk; |
| s->timer.base = base; |
| s->timer.timer = qemu_new_timer(vm_clock, omap_timer_tick, &s->timer); |
| omap_os_timer_reset(s); |
| omap_timer_clk_setup(&s->timer); |
| |
| iomemtype = cpu_register_io_memory(0, omap_os_timer_readfn, |
| omap_os_timer_writefn, s); |
| cpu_register_physical_memory(s->timer.base, 0x800, iomemtype); |
| |
| return s; |
| } |
| |
| /* Ultra Low-Power Device Module */ |
| static uint32_t omap_ulpd_pm_read(void *opaque, target_phys_addr_t addr) |
| { |
| struct omap_mpu_state_s *s = (struct omap_mpu_state_s *) opaque; |
| int offset = addr - s->ulpd_pm_base; |
| uint16_t ret; |
| |
| switch (offset) { |
| case 0x14: /* IT_STATUS */ |
| ret = s->ulpd_pm_regs[offset >> 2]; |
| s->ulpd_pm_regs[offset >> 2] = 0; |
| qemu_irq_lower(s->irq[1][OMAP_INT_GAUGE_32K]); |
| return ret; |
| |
| case 0x18: /* Reserved */ |
| case 0x1c: /* Reserved */ |
| case 0x20: /* Reserved */ |
| case 0x28: /* Reserved */ |
| case 0x2c: /* Reserved */ |
| OMAP_BAD_REG(addr); |
| case 0x00: /* COUNTER_32_LSB */ |
| case 0x04: /* COUNTER_32_MSB */ |
| case 0x08: /* COUNTER_HIGH_FREQ_LSB */ |
| case 0x0c: /* COUNTER_HIGH_FREQ_MSB */ |
| case 0x10: /* GAUGING_CTRL */ |
| case 0x24: /* SETUP_ANALOG_CELL3_ULPD1 */ |
| case 0x30: /* CLOCK_CTRL */ |
| case 0x34: /* SOFT_REQ */ |
| case 0x38: /* COUNTER_32_FIQ */ |
| case 0x3c: /* DPLL_CTRL */ |
| case 0x40: /* STATUS_REQ */ |
| /* XXX: check clk::usecount state for every clock */ |
| case 0x48: /* LOCL_TIME */ |
| case 0x4c: /* APLL_CTRL */ |
| case 0x50: /* POWER_CTRL */ |
| return s->ulpd_pm_regs[offset >> 2]; |
| } |
| |
| OMAP_BAD_REG(addr); |
| return 0; |
| } |
| |
| static inline void omap_ulpd_clk_update(struct omap_mpu_state_s *s, |
| uint16_t diff, uint16_t value) |
| { |
| if (diff & (1 << 4)) /* USB_MCLK_EN */ |
| omap_clk_onoff(omap_findclk(s, "usb_clk0"), (value >> 4) & 1); |
| if (diff & (1 << 5)) /* DIS_USB_PVCI_CLK */ |
| omap_clk_onoff(omap_findclk(s, "usb_w2fc_ck"), (~value >> 5) & 1); |
| } |
| |
| static inline void omap_ulpd_req_update(struct omap_mpu_state_s *s, |
| uint16_t diff, uint16_t value) |
| { |
| if (diff & (1 << 0)) /* SOFT_DPLL_REQ */ |
| omap_clk_canidle(omap_findclk(s, "dpll4"), (~value >> 0) & 1); |
| if (diff & (1 << 1)) /* SOFT_COM_REQ */ |
| omap_clk_canidle(omap_findclk(s, "com_mclk_out"), (~value >> 1) & 1); |
| if (diff & (1 << 2)) /* SOFT_SDW_REQ */ |
| omap_clk_canidle(omap_findclk(s, "bt_mclk_out"), (~value >> 2) & 1); |
| if (diff & (1 << 3)) /* SOFT_USB_REQ */ |
| omap_clk_canidle(omap_findclk(s, "usb_clk0"), (~value >> 3) & 1); |
| } |
| |
| static void omap_ulpd_pm_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 - s->ulpd_pm_base; |
| int64_t now, ticks; |
| int div, mult; |
| static const int bypass_div[4] = { 1, 2, 4, 4 }; |
| uint16_t diff; |
| |
| switch (offset) { |
| case 0x00: /* COUNTER_32_LSB */ |
| case 0x04: /* COUNTER_32_MSB */ |
| case 0x08: /* COUNTER_HIGH_FREQ_LSB */ |
| case 0x0c: /* COUNTER_HIGH_FREQ_MSB */ |
| case 0x14: /* IT_STATUS */ |
| case 0x40: /* STATUS_REQ */ |
| OMAP_RO_REG(addr); |
| break; |
| |
| case 0x10: /* GAUGING_CTRL */ |
| /* Bits 0 and 1 seem to be confused in the OMAP 310 TRM */ |
| if ((s->ulpd_pm_regs[offset >> 2] ^ value) & 1) { |
| now = qemu_get_clock(vm_clock); |
| |
| if (value & 1) |
| s->ulpd_gauge_start = now; |
| else { |
| now -= s->ulpd_gauge_start; |
| |
| /* 32-kHz ticks */ |
| ticks = muldiv64(now, 32768, ticks_per_sec); |
| s->ulpd_pm_regs[0x00 >> 2] = (ticks >> 0) & 0xffff; |
| s->ulpd_pm_regs[0x04 >> 2] = (ticks >> 16) & 0xffff; |
| if (ticks >> 32) /* OVERFLOW_32K */ |
| s->ulpd_pm_regs[0x14 >> 2] |= 1 << 2; |
| |
| /* High frequency ticks */ |
| ticks = muldiv64(now, 12000000, ticks_per_sec); |
| s->ulpd_pm_regs[0x08 >> 2] = (ticks >> 0) & 0xffff; |
| s->ulpd_pm_regs[0x0c >> 2] = (ticks >> 16) & 0xffff; |
| if (ticks >> 32) /* OVERFLOW_HI_FREQ */ |
| s->ulpd_pm_regs[0x14 >> 2] |= 1 << 1; |
| |
| s->ulpd_pm_regs[0x14 >> 2] |= 1 << 0; /* IT_GAUGING */ |
| qemu_irq_raise(s->irq[1][OMAP_INT_GAUGE_32K]); |
| } |
| } |
| s->ulpd_pm_regs[offset >> 2] = value; |
| break; |
| |
| case 0x18: /* Reserved */ |
| case 0x1c: /* Reserved */ |
| case 0x20: /* Reserved */ |
| case 0x28: /* Reserved */ |
| case 0x2c: /* Reserved */ |
| OMAP_BAD_REG(addr); |
| case 0x24: /* SETUP_ANALOG_CELL3_ULPD1 */ |
| case 0x38: /* COUNTER_32_FIQ */ |
| case 0x48: /* LOCL_TIME */ |
| case 0x50: /* POWER_CTRL */ |
| s->ulpd_pm_regs[offset >> 2] = value; |
| break; |
| |
| case 0x30: /* CLOCK_CTRL */ |
| diff = s->ulpd_pm_regs[offset >> 2] ^ value; |
| s->ulpd_pm_regs[offset >> 2] = value & 0x3f; |
| omap_ulpd_clk_update(s, diff, value); |
| break; |
| |
| case 0x34: /* SOFT_REQ */ |
| diff = s->ulpd_pm_regs[offset >> 2] ^ value; |
| s->ulpd_pm_regs[offset >> 2] = value & 0x1f; |
| omap_ulpd_req_update(s, diff, value); |
| break; |
| |
| case 0x3c: /* DPLL_CTRL */ |
| /* XXX: OMAP310 TRM claims bit 3 is PLL_ENABLE, and bit 4 is |
| * omitted altogether, probably a typo. */ |
| /* This register has identical semantics with DPLL(1:3) control |
| * registers, see omap_dpll_write() */ |
| diff = s->ulpd_pm_regs[offset >> 2] & value; |
| s->ulpd_pm_regs[offset >> 2] = value & 0x2fff; |
| if (diff & (0x3ff << 2)) { |
| if (value & (1 << 4)) { /* PLL_ENABLE */ |
| div = ((value >> 5) & 3) + 1; /* PLL_DIV */ |
| mult = MIN((value >> 7) & 0x1f, 1); /* PLL_MULT */ |
| } else { |
| div = bypass_div[((value >> 2) & 3)]; /* BYPASS_DIV */ |
| mult = 1; |
| } |
| omap_clk_setrate(omap_findclk(s, "dpll4"), div, mult); |
| } |
| |
| /* Enter the desired mode. */ |
| s->ulpd_pm_regs[offset >> 2] = |
| (s->ulpd_pm_regs[offset >> 2] & 0xfffe) | |
| ((s->ulpd_pm_regs[offset >> 2] >> 4) & 1); |
| |
| /* Act as if the lock is restored. */ |
| s->ulpd_pm_regs[offset >> 2] |= 2; |
| break; |
| |
| case 0x4c: /* APLL_CTRL */ |
| diff = s->ulpd_pm_regs[offset >> 2] & value; |
| s->ulpd_pm_regs[offset >> 2] = value & 0xf; |
| if (diff & (1 << 0)) /* APLL_NDPLL_SWITCH */ |
| omap_clk_reparent(omap_findclk(s, "ck_48m"), omap_findclk(s, |
| (value & (1 << 0)) ? "apll" : "dpll4")); |
| break; |
| |
| default: |
| OMAP_BAD_REG(addr); |
| } |
| } |
| |
| static CPUReadMemoryFunc *omap_ulpd_pm_readfn[] = { |
| omap_badwidth_read16, |
| omap_ulpd_pm_read, |
| omap_badwidth_read16, |
| }; |
| |
| static CPUWriteMemoryFunc *omap_ulpd_pm_writefn[] = { |
| omap_badwidth_write16, |
| omap_ulpd_pm_write, |
| omap_badwidth_write16, |
| }; |
| |
| static void omap_ulpd_pm_reset(struct omap_mpu_state_s *mpu) |
| { |
| mpu->ulpd_pm_regs[0x00 >> 2] = 0x0001; |
| mpu->ulpd_pm_regs[0x04 >> 2] = 0x0000; |
| mpu->ulpd_pm_regs[0x08 >> 2] = 0x0001; |
| mpu->ulpd_pm_regs[0x0c >> 2] = 0x0000; |
| mpu->ulpd_pm_regs[0x10 >> 2] = 0x0000; |
| mpu->ulpd_pm_regs[0x18 >> 2] = 0x01; |
| mpu->ulpd_pm_regs[0x1c >> 2] = 0x01; |
| mpu->ulpd_pm_regs[0x20 >> 2] = 0x01; |
| mpu->ulpd_pm_regs[0x24 >> 2] = 0x03ff; |
| mpu->ulpd_pm_regs[0x28 >> 2] = 0x01; |
| mpu->ulpd_pm_regs[0x2c >> 2] = 0x01; |
| omap_ulpd_clk_update(mpu, mpu->ulpd_pm_regs[0x30 >> 2], 0x0000); |
| mpu->ulpd_pm_regs[0x30 >> 2] = 0x0000; |
| omap_ulpd_req_update(mpu, mpu->ulpd_pm_regs[0x34 >> 2], 0x0000); |
| mpu->ulpd_pm_regs[0x34 >> 2] = 0x0000; |
| mpu->ulpd_pm_regs[0x38 >> 2] = 0x0001; |
| mpu->ulpd_pm_regs[0x3c >> 2] = 0x2211; |
| mpu->ulpd_pm_regs[0x40 >> 2] = 0x0000; /* FIXME: dump a real STATUS_REQ */ |
| mpu->ulpd_pm_regs[0x48 >> 2] = 0x960; |
| mpu->ulpd_pm_regs[0x4c >> 2] = 0x08; |
| mpu->ulpd_pm_regs[0x50 >> 2] = 0x08; |
| omap_clk_setrate(omap_findclk(mpu, "dpll4"), 1, 4); |
| omap_clk_reparent(omap_findclk(mpu, "ck_48m"), omap_findclk(mpu, "dpll4")); |
| } |
| |
| static void omap_ulpd_pm_init(target_phys_addr_t base, |
| struct omap_mpu_state_s *mpu) |
| { |
| int iomemtype = cpu_register_io_memory(0, omap_ulpd_pm_readfn, |
| omap_ulpd_pm_writefn, mpu); |
| |
| mpu->ulpd_pm_base = base; |
| cpu_register_physical_memory(mpu->ulpd_pm_base, 0x800, iomemtype); |
| omap_ulpd_pm_reset(mpu); |
| } |
| |
| /* OMAP Pin Configuration */ |
| static uint32_t omap_pin_cfg_read(void *opaque, target_phys_addr_t addr) |
| { |
| struct omap_mpu_state_s *s = (struct omap_mpu_state_s *) opaque; |
| int offset = addr - s->pin_cfg_base; |
| |
| switch (offset) { |
| case 0x00: /* FUNC_MUX_CTRL_0 */ |
| case 0x04: /* FUNC_MUX_CTRL_1 */ |
| case 0x08: /* FUNC_MUX_CTRL_2 */ |
| return s->func_mux_ctrl[offset >> 2]; |
| |
| case 0x0c: /* COMP_MODE_CTRL_0 */ |
| return s->comp_mode_ctrl[0]; |
| |
| case 0x10: /* FUNC_MUX_CTRL_3 */ |
| case 0x14: /* FUNC_MUX_CTRL_4 */ |
| case 0x18: /* FUNC_MUX_CTRL_5 */ |
| case 0x1c: /* FUNC_MUX_CTRL_6 */ |
| case 0x20: /* FUNC_MUX_CTRL_7 */ |
| case 0x24: /* FUNC_MUX_CTRL_8 */ |
| case 0x28: /* FUNC_MUX_CTRL_9 */ |
| case 0x2c: /* FUNC_MUX_CTRL_A */ |
| case 0x30: /* FUNC_MUX_CTRL_B */ |
| case 0x34: /* FUNC_MUX_CTRL_C */ |
| case 0x38: /* FUNC_MUX_CTRL_D */ |
| return s->func_mux_ctrl[(offset >> 2) - 1]; |
| |
| case 0x40: /* PULL_DWN_CTRL_0 */ |
| case 0x44: /* PULL_DWN_CTRL_1 */ |
| case 0x48: /* PULL_DWN_CTRL_2 */ |
| case 0x4c: /* PULL_DWN_CTRL_3 */ |
| return s->pull_dwn_ctrl[(offset & 0xf) >> 2]; |
| |
| case 0x50: /* GATE_INH_CTRL_0 */ |
| return s->gate_inh_ctrl[0]; |
| |
| case 0x60: /* VOLTAGE_CTRL_0 */ |
| return s->voltage_ctrl[0]; |
| |
| case 0x70: /* TEST_DBG_CTRL_0 */ |
| return s->test_dbg_ctrl[0]; |
| |
| case 0x80: /* MOD_CONF_CTRL_0 */ |
| return s->mod_conf_ctrl[0]; |
| } |
| |
| OMAP_BAD_REG(addr); |
| return 0; |
| } |
| |
| static inline void omap_pin_funcmux0_update(struct omap_mpu_state_s *s, |
| uint32_t diff, uint32_t value) |
| { |
| if (s->compat1509) { |
| if (diff & (1 << 9)) /* BLUETOOTH */ |
| omap_clk_onoff(omap_findclk(s, "bt_mclk_out"), |
| (~value >> 9) & 1); |
| if (diff & (1 << 7)) /* USB.CLKO */ |
| omap_clk_onoff(omap_findclk(s, "usb.clko"), |
| (value >> 7) & 1); |
| } |
| } |
| |
| static inline void omap_pin_funcmux1_update(struct omap_mpu_state_s *s, |
| uint32_t diff, uint32_t value) |
| { |
| if (s->compat1509) { |
| if (diff & (1 << 31)) /* MCBSP3_CLK_HIZ_DI */ |
| omap_clk_onoff(omap_findclk(s, "mcbsp3.clkx"), |
| (value >> 31) & 1); |
| if (diff & (1 << 1)) /* CLK32K */ |
| omap_clk_onoff(omap_findclk(s, "clk32k_out"), |
| (~value >> 1) & 1); |
| } |
| } |
| |
| static inline void omap_pin_modconf1_update(struct omap_mpu_state_s *s, |
| uint32_t diff, uint32_t value) |
| { |
| if (diff & (1 << 31)) /* CONF_MOD_UART3_CLK_MODE_R */ |
| omap_clk_reparent(omap_findclk(s, "uart3_ck"), |
| omap_findclk(s, ((value >> 31) & 1) ? |
| "ck_48m" : "armper_ck")); |
| if (diff & (1 << 30)) /* CONF_MOD_UART2_CLK_MODE_R */ |
| omap_clk_reparent(omap_findclk(s, "uart2_ck"), |
| omap_findclk(s, ((value >> 30) & 1) ? |
| "ck_48m" : "armper_ck")); |
| if (diff & (1 << 29)) /* CONF_MOD_UART1_CLK_MODE_R */ |
| omap_clk_reparent(omap_findclk(s, "uart1_ck"), |
| omap_findclk(s, ((value >> 29) & 1) ? |
| "ck_48m" : "armper_ck")); |
| if (diff & (1 << 23)) /* CONF_MOD_MMC_SD_CLK_REQ_R */ |
| omap_clk_reparent(omap_findclk(s, "mmc_ck"), |
| omap_findclk(s, ((value >> 23) & 1) ? |
| "ck_48m" : "armper_ck")); |
| if (diff & (1 << 12)) /* CONF_MOD_COM_MCLK_12_48_S */ |
| omap_clk_reparent(omap_findclk(s, "com_mclk_out"), |
| omap_findclk(s, ((value >> 12) & 1) ? |
| "ck_48m" : "armper_ck")); |
| if (diff & (1 << 9)) /* CONF_MOD_USB_HOST_HHC_UHO */ |
| omap_clk_onoff(omap_findclk(s, "usb_hhc_ck"), (value >> 9) & 1); |
| } |
| |
| static void omap_pin_cfg_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 - s->pin_cfg_base; |
| uint32_t diff; |
| |
| switch (offset) { |
| case 0x00: /* FUNC_MUX_CTRL_0 */ |
| diff = s->func_mux_ctrl[offset >> 2] ^ value; |
| s->func_mux_ctrl[offset >> 2] = value; |
| omap_pin_funcmux0_update(s, diff, value); |
| return; |
| |
| case 0x04: /* FUNC_MUX_CTRL_1 */ |
| diff = s->func_mux_ctrl[offset >> 2] ^ value; |
| s->func_mux_ctrl[offset >> 2] = value; |
| omap_pin_funcmux1_update(s, diff, value); |
| return; |
| |
| case 0x08: /* FUNC_MUX_CTRL_2 */ |
| s->func_mux_ctrl[offset >> 2] = value; |
| return; |
| |
| case 0x0c: /* COMP_MODE_CTRL_0 */ |
| s->comp_mode_ctrl[0] = value; |
| s->compat1509 = (value != 0x0000eaef); |
| omap_pin_funcmux0_update(s, ~0, s->func_mux_ctrl[0]); |
| omap_pin_funcmux1_update(s, ~0, s->func_mux_ctrl[1]); |
| return; |
| |
| case 0x10: /* FUNC_MUX_CTRL_3 */ |
| case 0x14: /* FUNC_MUX_CTRL_4 */ |
| case 0x18: /* FUNC_MUX_CTRL_5 */ |
| case 0x1c: /* FUNC_MUX_CTRL_6 */ |
| case 0x20: /* FUNC_MUX_CTRL_7 */ |
| case 0x24: /* FUNC_MUX_CTRL_8 */ |
| case 0x28: /* FUNC_MUX_CTRL_9 */ |
| case 0x2c: /* FUNC_MUX_CTRL_A */ |
| case 0x30: /* FUNC_MUX_CTRL_B */ |
| case 0x34: /* FUNC_MUX_CTRL_C */ |
| case 0x38: /* FUNC_MUX_CTRL_D */ |
| s->func_mux_ctrl[(offset >> 2) - 1] = value; |
| return; |
| |
| case 0x40: /* PULL_DWN_CTRL_0 */ |
| case 0x44: /* PULL_DWN_CTRL_1 */ |
| case 0x48: /* PULL_DWN_CTRL_2 */ |
| case 0x4c: /* PULL_DWN_CTRL_3 */ |
| s->pull_dwn_ctrl[(offset & 0xf) >> 2] = value; |
| return; |
| |
| case 0x50: /* GATE_INH_CTRL_0 */ |
| s->gate_inh_ctrl[0] = value; |
| return; |
| |
| case 0x60: /* VOLTAGE_CTRL_0 */ |
| s->voltage_ctrl[0] = value; |
| return; |
| |
| case 0x70: /* TEST_DBG_CTRL_0 */ |
| s->test_dbg_ctrl[0] = value; |
| return; |
| |
| case 0x80: /* MOD_CONF_CTRL_0 */ |
| diff = s->mod_conf_ctrl[0] ^ value; |
| s->mod_conf_ctrl[0] = value; |
| omap_pin_modconf1_update(s, diff, value); |
| return; |
| |
| default: |
| OMAP_BAD_REG(addr); |
| } |
| } |
| |
| static CPUReadMemoryFunc *omap_pin_cfg_readfn[] = { |
| omap_badwidth_read32, |
| omap_badwidth_read32, |
| omap_pin_cfg_read, |
| }; |
| |
| static CPUWriteMemoryFunc *omap_pin_cfg_writefn[] = { |
| omap_badwidth_write32, |
| omap_badwidth_write32, |
| omap_pin_cfg_write, |
| }; |
| |
| static void omap_pin_cfg_reset(struct omap_mpu_state_s *mpu) |
| { |
| /* Start in Compatibility Mode. */ |
| mpu->compat1509 = 1; |
| omap_pin_funcmux0_update(mpu, mpu->func_mux_ctrl[0], 0); |
| omap_pin_funcmux1_update(mpu, mpu->func_mux_ctrl[1], 0); |
| omap_pin_modconf1_update(mpu, mpu->mod_conf_ctrl[0], 0); |
| memset(mpu->func_mux_ctrl, 0, sizeof(mpu->func_mux_ctrl)); |
| memset(mpu->comp_mode_ctrl, 0, sizeof(mpu->comp_mode_ctrl)); |
| memset(mpu->pull_dwn_ctrl, 0, sizeof(mpu->pull_dwn_ctrl)); |
| memset(mpu->gate_inh_ctrl, 0, sizeof(mpu->gate_inh_ctrl)); |
| memset(mpu->voltage_ctrl, 0, sizeof(mpu->voltage_ctrl)); |
| memset(mpu->test_dbg_ctrl, 0, sizeof(mpu->test_dbg_ctrl)); |
| memset(mpu->mod_conf_ctrl, 0, sizeof(mpu->mod_conf_ctrl)); |
| } |
| |
| static void omap_pin_cfg_init(target_phys_addr_t base, |
| struct omap_mpu_state_s *mpu) |
| { |
| int iomemtype = cpu_register_io_memory(0, omap_pin_cfg_readfn, |
| omap_pin_cfg_writefn, mpu); |
| |
| mpu->pin_cfg_base = base; |
| cpu_register_physical_memory(mpu->pin_cfg_base, 0x800, iomemtype); |
| omap_pin_cfg_reset(mpu); |
| } |
| |
| /* Device Identification, Die Identification */ |
| static uint32_t omap_id_read(void *opaque, target_phys_addr_t addr) |
| { |
| struct omap_mpu_state_s *s = (struct omap_mpu_state_s *) opaque; |
| |
| switch (addr) { |
| case 0xfffe1800: /* DIE_ID_LSB */ |
| return 0xc9581f0e; |
| case 0xfffe1804: /* DIE_ID_MSB */ |
| return 0xa8858bfa; |
| |
| case 0xfffe2000: /* PRODUCT_ID_LSB */ |
| return 0x00aaaafc; |
| case 0xfffe2004: /* PRODUCT_ID_MSB */ |
| return 0xcafeb574; |
| |
| case 0xfffed400: /* JTAG_ID_LSB */ |
| switch (s->mpu_model) { |
| case omap310: |
| return 0x03310315; |
| case omap1510: |
| return 0x03310115; |
| } |
| break; |
| |
| case 0xfffed404: /* JTAG_ID_MSB */ |
| switch (s->mpu_model) { |
| case omap310: |
| return 0xfb57402f; |
| case omap1510: |
| return 0xfb47002f; |
| } |
| break; |
| } |
| |
| OMAP_BAD_REG(addr); |
| return 0; |
| } |
| |
| static void omap_id_write(void *opaque, target_phys_addr_t addr, |
| uint32_t value) |
| { |
| OMAP_BAD_REG(addr); |
| } |
| |
| static CPUReadMemoryFunc *omap_id_readfn[] = { |
| omap_badwidth_read32, |
| omap_badwidth_read32, |
| omap_id_read, |
| }; |
| |
| static CPUWriteMemoryFunc *omap_id_writefn[] = { |
| omap_badwidth_write32, |
| omap_badwidth_write32, |
| omap_id_write, |
| }; |
| |
| static void omap_id_init(struct omap_mpu_state_s *mpu) |
| { |
| int iomemtype = cpu_register_io_memory(0, omap_id_readfn, |
| omap_id_writefn, mpu); |
| cpu_register_physical_memory(0xfffe1800, 0x800, iomemtype); |
| cpu_register_physical_memory(0xfffed400, 0x100, iomemtype); |
| if (!cpu_is_omap15xx(mpu)) |
| cpu_register_physical_memory(0xfffe2000, 0x800, iomemtype); |
| } |
| |
| /* MPUI Control (Dummy) */ |
| static uint32_t omap_mpui_read(void *opaque, target_phys_addr_t addr) |
| { |
| struct omap_mpu_state_s *s = (struct omap_mpu_state_s *) opaque; |
| int offset = addr - s->mpui_base; |
| |
| switch (offset) { |
| case 0x00: /* CTRL */ |
| return s->mpui_ctrl; |
| case 0x04: /* DEBUG_ADDR */ |
| return 0x01ffffff; |
| case 0x08: /* DEBUG_DATA */ |
| return 0xffffffff; |
| case 0x0c: /* DEBUG_FLAG */ |
| return 0x00000800; |
| case 0x10: /* STATUS */ |
| return 0x00000000; |
| |
| /* Not in OMAP310 */ |
| case 0x14: /* DSP_STATUS */ |
| case 0x18: /* DSP_BOOT_CONFIG */ |
| return 0x00000000; |
| case 0x1c: /* DSP_MPUI_CONFIG */ |
| return 0x0000ffff; |
| } |
| |
| OMAP_BAD_REG(addr); |
| return 0; |
| } |
| |
| static void omap_mpui_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 - s->mpui_base; |
| |
| switch (offset) { |
| case 0x00: /* CTRL */ |
| s->mpui_ctrl = value & 0x007fffff; |
| break; |
| |
| case 0x04: /* DEBUG_ADDR */ |
| case 0x08: /* DEBUG_DATA */ |
| case 0x0c: /* DEBUG_FLAG */ |
| case 0x10: /* STATUS */ |
| /* Not in OMAP310 */ |
| case 0x14: /* DSP_STATUS */ |
| OMAP_RO_REG(addr); |
| case 0x18: /* DSP_BOOT_CONFIG */ |
| case 0x1c: /* DSP_MPUI_CONFIG */ |
| break; |
| |
| default: |
| OMAP_BAD_REG(addr); |
| } |
| } |
| |
| static CPUReadMemoryFunc *omap_mpui_readfn[] = { |
| omap_badwidth_read32, |
| omap_badwidth_read32, |
| omap_mpui_read, |
| }; |
| |
| static CPUWriteMemoryFunc *omap_mpui_writefn[] = { |
| omap_badwidth_write32, |
| omap_badwidth_write32, |
| omap_mpui_write, |
| }; |
| |
| static void omap_mpui_reset(struct omap_mpu_state_s *s) |
| { |
| s->mpui_ctrl = 0x0003ff1b; |
| } |
| |
| static void omap_mpui_init(target_phys_addr_t base, |
| struct omap_mpu_state_s *mpu) |
| { |
| int iomemtype = cpu_register_io_memory(0, omap_mpui_readfn, |
| omap_mpui_writefn, mpu); |
| |
| mpu->mpui_base = base; |
| cpu_register_physical_memory(mpu->mpui_base, 0x100, iomemtype); |
| |
| omap_mpui_reset(mpu); |
| } |
| |
| /* TIPB Bridges */ |
| struct omap_tipb_bridge_s { |
| target_phys_addr_t base; |
| qemu_irq abort; |
| |
| int width_intr; |
| uint16_t control; |
| uint16_t alloc; |
| uint16_t buffer; |
| uint16_t enh_control; |
| }; |
| |
| static uint32_t omap_tipb_bridge_read(void *opaque, target_phys_addr_t addr) |
| { |
| struct omap_tipb_bridge_s *s = (struct omap_tipb_bridge_s *) opaque; |
| int offset = addr - s->base; |
| |
| switch (offset) { |
| case 0x00: /* TIPB_CNTL */ |
| return s->control; |
| case 0x04: /* TIPB_BUS_ALLOC */ |
| return s->alloc; |
| case 0x08: /* MPU_TIPB_CNTL */ |
| return s->buffer; |
| case 0x0c: /* ENHANCED_TIPB_CNTL */ |
| return s->enh_control; |
| case 0x10: /* ADDRESS_DBG */ |
| case 0x14: /* DATA_DEBUG_LOW */ |
| case 0x18: /* DATA_DEBUG_HIGH */ |
| return 0xffff; |
| case 0x1c: /* DEBUG_CNTR_SIG */ |
| return 0x00f8; |
| } |
| |
| OMAP_BAD_REG(addr); |
| return 0; |
| } |
| |
| static void omap_tipb_bridge_write(void *opaque, target_phys_addr_t addr, |
| uint32_t value) |
| { |
| struct omap_tipb_bridge_s *s = (struct omap_tipb_bridge_s *) opaque; |
| int offset = addr - s->base; |
| |
| switch (offset) { |
| case 0x00: /* TIPB_CNTL */ |
| s->control = value & 0xffff; |
| break; |
| |
| case 0x04: /* TIPB_BUS_ALLOC */ |
| s->alloc = value & 0x003f; |
| break; |
| |
| case 0x08: /* MPU_TIPB_CNTL */ |
| s->buffer = value & 0x0003; |
| break; |
| |
| case 0x0c: /* ENHANCED_TIPB_CNTL */ |
| s->width_intr = !(value & 2); |
| s->enh_control = value & 0x000f; |
| break; |
| |
| case 0x10: /* ADDRESS_DBG */ |
| case 0x14: /* DATA_DEBUG_LOW */ |
| case 0x18: /* DATA_DEBUG_HIGH */ |
| case 0x1c: /* DEBUG_CNTR_SIG */ |
| OMAP_RO_REG(addr); |
| break; |
| |
| default: |
| OMAP_BAD_REG(addr); |
| } |
| } |
| |
| static CPUReadMemoryFunc *omap_tipb_bridge_readfn[] = { |
| omap_badwidth_read16, |
| omap_tipb_bridge_read, |
| omap_tipb_bridge_read, |
| }; |
| |
| static CPUWriteMemoryFunc *omap_tipb_bridge_writefn[] = { |
| omap_badwidth_write16, |
| omap_tipb_bridge_write, |
| omap_tipb_bridge_write, |
| }; |
| |
| static void omap_tipb_bridge_reset(struct omap_tipb_bridge_s *s) |
| { |
| s->control = 0xffff; |
| s->alloc = 0x0009; |
| s->buffer = 0x0000; |
| s->enh_control = 0x000f; |
| } |
| |
| struct omap_tipb_bridge_s *omap_tipb_bridge_init(target_phys_addr_t base, |
| qemu_irq abort_irq, omap_clk clk) |
| { |
| int iomemtype; |
| struct omap_tipb_bridge_s *s = (struct omap_tipb_bridge_s *) |
| qemu_mallocz(sizeof(struct omap_tipb_bridge_s)); |
| |
| s->abort = abort_irq; |
| s->base = base; |
| omap_tipb_bridge_reset(s); |
| |
| iomemtype = cpu_register_io_memory(0, omap_tipb_bridge_readfn, |
| omap_tipb_bridge_writefn, s); |
| cpu_register_physical_memory(s->base, 0x100, iomemtype); |
| |
| return s; |
| } |
| |
| /* Dummy Traffic Controller's Memory Interface */ |
| static uint32_t omap_tcmi_read(void *opaque, target_phys_addr_t addr) |
| { |
| struct omap_mpu_state_s *s = (struct omap_mpu_state_s *) opaque; |
| int offset = addr - s->tcmi_base; |
| 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 */ |
| return s->tcmi_regs[offset >> 2]; |
| |
| case 0xfffecc20: /* 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 */ |
| return ret; |
| } |
| |
| OMAP_BAD_REG(addr); |
| return 0; |
| } |
| |
| static void omap_tcmi_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 - 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 */ |
| s->tcmi_regs[offset >> 2] = value; |
| break; |
| case 0xfffecc0c: /* EMIFS_CONFIG */ |
| s->tcmi_regs[offset >> 2] = (value & 0xf) | (1 << 4); |
| break; |
| |
| default: |
| OMAP_BAD_REG(addr); |
| } |
| } |
| |
| static CPUReadMemoryFunc *omap_tcmi_readfn[] = { |
| omap_badwidth_read32, |
| omap_badwidth_read32, |
| omap_tcmi_read, |
| }; |
| |
| static CPUWriteMemoryFunc *omap_tcmi_writefn[] = { |
| omap_badwidth_write32, |
| omap_badwidth_write32, |
| omap_tcmi_write, |
| }; |
| |
| static void omap_tcmi_reset(struct omap_mpu_state_s *mpu) |
| { |
| mpu->tcmi_regs[0x00 >> 2] = 0x00000000; |
| mpu->tcmi_regs[0x04 >> 2] = 0x00000000; |
| mpu->tcmi_regs[0x08 >> 2] = 0x00000000; |
| mpu->tcmi_regs[0x0c >> 2] = 0x00000010; |
| mpu->tcmi_regs[0x10 >> 2] = 0x0010fffb; |
| mpu->tcmi_regs[0x14 >> 2] = 0x0010fffb; |
| mpu->tcmi_regs[0x18 >> 2] = 0x0010fffb; |
| mpu->tcmi_regs[0x1c >> 2] = 0x0010fffb; |
| mpu->tcmi_regs[0x20 >> 2] = 0x00618800; |
| mpu->tcmi_regs[0x24 >> 2] = 0x00000037; |
| mpu->tcmi_regs[0x28 >> 2] = 0x00000000; |
| mpu->tcmi_regs[0x2c >> 2] = 0x00000000; |
| mpu->tcmi_regs[0x30 >> 2] = 0x00000000; |
| mpu->tcmi_regs[0x3c >> 2] = 0x00000003; |
| mpu->tcmi_regs[0x40 >> 2] = 0x00000000; |
| } |
| |
| static void omap_tcmi_init(target_phys_addr_t base, |
| struct omap_mpu_state_s *mpu) |
| { |
| int iomemtype = cpu_register_io_memory(0, omap_tcmi_readfn, |
| omap_tcmi_writefn, mpu); |
| |
| mpu->tcmi_base = base; |
| cpu_register_physical_memory(mpu->tcmi_base, 0x100, iomemtype); |
| omap_tcmi_reset(mpu); |
| } |
| |
| /* Digital phase-locked loops control */ |
| static uint32_t omap_dpll_read(void *opaque, target_phys_addr_t addr) |
| { |
| struct dpll_ctl_s *s = (struct dpll_ctl_s *) opaque; |
| int offset = addr - s->base; |
| |
| if (offset == 0x00) /* CTL_REG */ |
| return s->mode; |
| |
| OMAP_BAD_REG(addr); |
| return 0; |
| } |
| |
| static void omap_dpll_write(void *opaque, target_phys_addr_t addr, |
| uint32_t value) |
| { |
| struct dpll_ctl_s *s = (struct dpll_ctl_s *) opaque; |
| uint16_t diff; |
| int offset = addr - s->base; |
| static const int bypass_div[4] = { 1, 2, 4, 4 }; |
| int div, mult; |
| |
| if (offset == 0x00) { /* CTL_REG */ |
| /* See omap_ulpd_pm_write() too */ |
| diff = s->mode & value; |
| s->mode = value & 0x2fff; |
| if (diff & (0x3ff << 2)) { |
| if (value & (1 << 4)) { /* PLL_ENABLE */ |
| div = ((value >> 5) & 3) + 1; /* PLL_DIV */ |
| mult = MIN((value >> 7) & 0x1f, 1); /* PLL_MULT */ |
| } else { |
| div = bypass_div[((value >> 2) & 3)]; /* BYPASS_DIV */ |
| mult = 1; |
| } |
| omap_clk_setrate(s->dpll, div, mult); |
| } |
| |
| /* Enter the desired mode. */ |
| s->mode = (s->mode & 0xfffe) | ((s->mode >> 4) & 1); |
| |
| /* Act as if the lock is restored. */ |
| s->mode |= 2; |
| } else { |
| OMAP_BAD_REG(addr); |
| } |
| } |
| |
| static CPUReadMemoryFunc *omap_dpll_readfn[] = { |
| omap_badwidth_read16, |
| omap_dpll_read, |
| omap_badwidth_read16, |
| }; |
| |
| static CPUWriteMemoryFunc *omap_dpll_writefn[] = { |
| omap_badwidth_write16, |
| omap_dpll_write, |
| omap_badwidth_write16, |
| }; |
| |
| static void omap_dpll_reset(struct dpll_ctl_s *s) |
| { |
| s->mode = 0x2002; |
| omap_clk_setrate(s->dpll, 1, 1); |
| } |
| |
| static void omap_dpll_init(struct dpll_ctl_s *s, target_phys_addr_t base, |
| omap_clk clk) |
| { |
| int iomemtype = cpu_register_io_memory(0, omap_dpll_readfn, |
| omap_dpll_writefn, s); |
| |
| s->base = base; |
| s->dpll = clk; |
| omap_dpll_reset(s); |
| |
| cpu_register_physical_memory(s->base, 0x100, iomemtype); |
| } |
| |
| /* UARTs */ |
| struct omap_uart_s { |
| SerialState *serial; /* TODO */ |
| }; |
| |
| static void omap_uart_reset(struct omap_uart_s *s) |
| { |
| } |
| |
| struct omap_uart_s *omap_uart_init(target_phys_addr_t base, |
| qemu_irq irq, omap_clk clk, CharDriverState *chr) |
| { |
| struct omap_uart_s *s = (struct omap_uart_s *) |
| qemu_mallocz(sizeof(struct omap_uart_s)); |
| if (chr) |
| s->serial = serial_mm_init(base, 2, irq, chr, 1); |
| return s; |
| } |
| |
| /* MPU Clock/Reset/Power Mode Control */ |
| static uint32_t omap_clkm_read(void *opaque, target_phys_addr_t addr) |
| { |
| struct omap_mpu_state_s *s = (struct omap_mpu_state_s *) opaque; |
| int offset = addr - s->clkm.mpu_base; |
| |
| switch (offset) { |
| case 0x00: /* ARM_CKCTL */ |
| return s->clkm.arm_ckctl; |
| |
| case 0x04: /* ARM_IDLECT1 */ |
| return s->clkm.arm_idlect1; |
| |
| case 0x08: /* ARM_IDLECT2 */ |
| return s->clkm.arm_idlect2; |
| |
| case 0x0c: /* ARM_EWUPCT */ |
| return s->clkm.arm_ewupct; |
| |
| case 0x10: /* ARM_RSTCT1 */ |
| return s->clkm.arm_rstct1; |
| |
| case 0x14: /* ARM_RSTCT2 */ |
| return s->clkm.arm_rstct2; |
| |
| case 0x18: /* ARM_SYSST */ |
| return (s->clkm.clocking_scheme < 11) | s->clkm.cold_start; |
| |
| case 0x1c: /* ARM_CKOUT1 */ |
| return s->clkm.arm_ckout1; |
| |
| case 0x20: /* ARM_CKOUT2 */ |
| break; |
| } |
| |
| OMAP_BAD_REG(addr); |
| return 0; |
| } |
| |
| static inline void omap_clkm_ckctl_update(struct omap_mpu_state_s *s, |
| uint16_t diff, uint16_t value) |
| { |
| omap_clk clk; |
| |
| if (diff & (1 << 14)) { /* ARM_INTHCK_SEL */ |
| if (value & (1 << 14)) |
| /* Reserved */; |
| else { |
| clk = omap_findclk(s, "arminth_ck"); |
| omap_clk_reparent(clk, omap_findclk(s, "tc_ck")); |
| } |
| } |
| if (diff & (1 << 12)) { /* ARM_TIMXO */ |
| clk = omap_findclk(s, "armtim_ck"); |
| if (value & (1 << 12)) |
| omap_clk_reparent(clk, omap_findclk(s, "clkin")); |
| else |
| omap_clk_reparent(clk, omap_findclk(s, "ck_gen1")); |
| } |
| /* XXX: en_dspck */ |
| if (diff & (3 << 10)) { /* DSPMMUDIV */ |
| clk = omap_findclk(s, "dspmmu_ck"); |
| omap_clk_setrate(clk, 1 << ((value >> 10) & 3), 1); |
| } |
| if (diff & (3 << 8)) { /* TCDIV */ |
| clk = omap_findclk(s, "tc_ck"); |
| omap_clk_setrate(clk, 1 << ((value >> 8) & 3), 1); |
| } |
| if (diff & (3 << 6)) { /* DSPDIV */ |
| clk = omap_findclk(s, "dsp_ck"); |
| omap_clk_setrate(clk, 1 << ((value >> 6) & 3), 1); |
| } |
| if (diff & (3 << 4)) { /* ARMDIV */ |
| clk = omap_findclk(s, "arm_ck"); |
| omap_clk_setrate(clk, 1 << ((value >> 4) & 3), 1); |
| } |
| if (diff & (3 << 2)) { /* LCDDIV */ |
| clk = omap_findclk(s, "lcd_ck"); |
| omap_clk_setrate(clk, 1 << ((value >> 2) & 3), 1); |
| } |
| if (diff & (3 << 0)) { /* PERDIV */ |
| clk = omap_findclk(s, "armper_ck"); |
| omap_clk_setrate(clk, 1 << ((value >> 0) & 3), 1); |
| } |
| } |
| |
| static inline void omap_clkm_idlect1_update(struct omap_mpu_state_s *s, |
| uint16_t diff, uint16_t value) |
| { |
| omap_clk clk; |
| |
| if (value & (1 << 11)) /* SETARM_IDLE */ |
| cpu_interrupt(s->env, CPU_INTERRUPT_HALT); |
| if (!(value & (1 << 10))) /* WKUP_MODE */ |
| qemu_system_shutdown_request(); /* XXX: disable wakeup from IRQ */ |
| |
| #define SET_CANIDLE(clock, bit) \ |
| if (diff & (1 << bit)) { \ |
| clk = omap_findclk(s, clock); \ |
| omap_clk_canidle(clk, (value >> bit) & 1); \ |
| } |
| SET_CANIDLE("mpuwd_ck", 0) /* IDLWDT_ARM */ |
| SET_CANIDLE("armxor_ck", 1) /* IDLXORP_ARM */ |
| SET_CANIDLE("mpuper_ck", 2) /* IDLPER_ARM */ |
| SET_CANIDLE("lcd_ck", 3) /* IDLLCD_ARM */ |
| SET_CANIDLE("lb_ck", 4) /* IDLLB_ARM */ |
| SET_CANIDLE("hsab_ck", 5) /* IDLHSAB_ARM */ |
| SET_CANIDLE("tipb_ck", 6) /* IDLIF_ARM */ |
| SET_CANIDLE("dma_ck", 6) /* IDLIF_ARM */ |
| SET_CANIDLE("tc_ck", 6) /* IDLIF_ARM */ |
| SET_CANIDLE("dpll1", 7) /* IDLDPLL_ARM */ |
| SET_CANIDLE("dpll2", 7) /* IDLDPLL_ARM */ |
| SET_CANIDLE("dpll3", 7) /* IDLDPLL_ARM */ |
| SET_CANIDLE("mpui_ck", 8) /* IDLAPI_ARM */ |
| SET_CANIDLE("armtim_ck", 9) /* IDLTIM_ARM */ |
| } |
| |
| static inline void omap_clkm_idlect2_update(struct omap_mpu_state_s *s, |
| uint16_t diff, uint16_t value) |
| { |
| omap_clk clk; |
| |
| #define SET_ONOFF(clock, bit) \ |
| if (diff & (1 << bit)) { \ |
| clk = omap_findclk(s, clock); \ |
| omap_clk_onoff(clk, (value >> bit) & 1); \ |
| } |
| SET_ONOFF("mpuwd_ck", 0) /* EN_WDTCK */ |
| SET_ONOFF("armxor_ck", 1) /* EN_XORPCK */ |
| SET_ONOFF("mpuper_ck", 2) /* EN_PERCK */ |
| SET_ONOFF("lcd_ck", 3) /* EN_LCDCK */ |
| SET_ONOFF("lb_ck", 4) /* EN_LBCK */ |
| SET_ONOFF("hsab_ck", 5) /* EN_HSABCK */ |
| SET_ONOFF("mpui_ck", 6) /* EN_APICK */ |
| SET_ONOFF("armtim_ck", 7) /* EN_TIMCK */ |
| SET_CANIDLE("dma_ck", 8) /* DMACK_REQ */ |
| SET_ONOFF("arm_gpio_ck", 9) /* EN_GPIOCK */ |
| SET_ONOFF("lbfree_ck", 10) /* EN_LBFREECK */ |
| } |
| |
| static inline void omap_clkm_ckout1_update(struct omap_mpu_state_s *s, |
| uint16_t diff, uint16_t value) |
| { |
| omap_clk clk; |
| |
| if (diff & (3 << 4)) { /* TCLKOUT */ |
| clk = omap_findclk(s, "tclk_out"); |
| switch ((value >> 4) & 3) { |
| case 1: |
| omap_clk_reparent(clk, omap_findclk(s, "ck_gen3")); |
| omap_clk_onoff(clk, 1); |
| break; |
| case 2: |
| omap_clk_reparent(clk, omap_findclk(s, "tc_ck")); |
| omap_clk_onoff(clk, 1); |
| break; |
| default: |
| omap_clk_onoff(clk, 0); |
| } |
| } |
| if (diff & (3 << 2)) { /* DCLKOUT */ |
| clk = omap_findclk(s, "dclk_out"); |
| switch ((value >> 2) & 3) { |
| case 0: |
| omap_clk_reparent(clk, omap_findclk(s, "dspmmu_ck")); |
| break; |
| case 1: |
| omap_clk_reparent(clk, omap_findclk(s, "ck_gen2")); |
| break; |
| case 2: |
| omap_clk_reparent(clk, omap_findclk(s, "dsp_ck")); |
| break; |
| case 3: |
| omap_clk_reparent(clk, omap_findclk(s, "ck_ref14")); |
| break; |
| } |
| } |
| if (diff & (3 << 0)) { /* ACLKOUT */ |
| clk = omap_findclk(s, "aclk_out"); |
| switch ((value >> 0) & 3) { |
| case 1: |
| omap_clk_reparent(clk, omap_findclk(s, "ck_gen1")); |
| omap_clk_onoff(clk, 1); |
| break; |
| case 2: |
| omap_clk_reparent(clk, omap_findclk(s, "arm_ck")); |
| omap_clk_onoff(clk, 1); |
| break; |
| case 3: |
| omap_clk_reparent(clk, omap_findclk(s, "ck_ref14")); |
| omap_clk_onoff(clk, 1); |
| break; |
| default: |
| omap_clk_onoff(clk, 0); |
| } |
| } |
| } |
| |
| static void omap_clkm_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 - s->clkm.mpu_base; |
| uint16_t diff; |
| omap_clk clk; |
| static const char *clkschemename[8] = { |
| "fully synchronous", "fully asynchronous", "synchronous scalable", |
| "mix mode 1", "mix mode 2", "bypass mode", "mix mode 3", "mix mode 4", |
| }; |
| |
| switch (offset) { |
| case 0x00: /* ARM_CKCTL */ |
| diff = s->clkm.arm_ckctl ^ value; |
| s->clkm.arm_ckctl = value & 0x7fff; |
| omap_clkm_ckctl_update(s, diff, value); |
| return; |
| |
| case 0x04: /* ARM_IDLECT1 */ |
| diff = s->clkm.arm_idlect1 ^ value; |
| s->clkm.arm_idlect1 = value & 0x0fff; |
| omap_clkm_idlect1_update(s, diff, value); |
| return; |
| |
| case 0x08: /* ARM_IDLECT2 */ |
| diff = s->clkm.arm_idlect2 ^ value; |
| s->clkm.arm_idlect2 = value & 0x07ff; |
| omap_clkm_idlect2_update(s, diff, value); |
| return; |
| |
| case 0x0c: /* ARM_EWUPCT */ |
| diff = s->clkm.arm_ewupct ^ value; |
| s->clkm.arm_ewupct = value & 0x003f; |
| return; |
| |
| case 0x10: /* ARM_RSTCT1 */ |
| diff = s->clkm.arm_rstct1 ^ value; |
| s->clkm.arm_rstct1 = value & 0x0007; |
| if (value & 9) { |
| qemu_system_reset_request(); |
| s->clkm.cold_start = 0xa; |
| } |
| if (diff & ~value & 4) { /* DSP_RST */ |
| omap_mpui_reset(s); |
| omap_tipb_bridge_reset(s->private_tipb); |
| omap_tipb_bridge_reset(s->public_tipb); |
| } |
| if (diff & 2) { /* DSP_EN */ |
| clk = omap_findclk(s, "dsp_ck"); |
| omap_clk_canidle(clk, (~value >> 1) & 1); |
| } |
| return; |
| |
| case 0x14: /* ARM_RSTCT2 */ |
| s->clkm.arm_rstct2 = value & 0x0001; |
| return; |
| |
| case 0x18: /* ARM_SYSST */ |
| if ((s->clkm.clocking_scheme ^ (value >> 11)) & 7) { |
| s->clkm.clocking_scheme = (value >> 11) & 7; |
| printf("%s: clocking scheme set to %s\n", __FUNCTION__, |
| clkschemename[s->clkm.clocking_scheme]); |
| } |
| s->clkm.cold_start &= value & 0x3f; |
| return; |
| |
| case 0x1c: /* ARM_CKOUT1 */ |
| diff = s->clkm.arm_ckout1 ^ value; |
| s->clkm.arm_ckout1 = value & 0x003f; |
| omap_clkm_ckout1_update(s, diff, value); |
| return; |
| |
| case 0x20: /* ARM_CKOUT2 */ |
| default: |
| OMAP_BAD_REG(addr); |
| } |
| } |
| |
| static CPUReadMemoryFunc *omap_clkm_readfn[] = { |
| omap_badwidth_read16, |
| omap_clkm_read, |
| omap_badwidth_read16, |
| }; |
| |
| static CPUWriteMemoryFunc *omap_clkm_writefn[] = { |
| omap_badwidth_write16, |
| omap_clkm_write, |
| omap_badwidth_write16, |
| }; |
| |
| static uint32_t omap_clkdsp_read(void *opaque, target_phys_addr_t addr) |
| { |
| struct omap_mpu_state_s *s = (struct omap_mpu_state_s *) opaque; |
| int offset = addr - s->clkm.dsp_base; |
| |
| switch (offset) { |
| case 0x04: /* DSP_IDLECT1 */ |
| return s->clkm.dsp_idlect1; |
| |
| case 0x08: /* DSP_IDLECT2 */ |
| return s->clkm.dsp_idlect2; |
| |
| case 0x14: /* DSP_RSTCT2 */ |
| return s->clkm.dsp_rstct2; |
| |
| case 0x18: /* DSP_SYSST */ |
| return (s->clkm.clocking_scheme < 11) | s->clkm.cold_start | |
| (s->env->halted << 6); /* Quite useless... */ |
| } |
| |
| OMAP_BAD_REG(addr); |
| return 0; |
| } |
| |
| static inline void omap_clkdsp_idlect1_update(struct omap_mpu_state_s *s, |
| uint16_t diff, uint16_t value) |
| { |
| omap_clk clk; |
| |
| SET_CANIDLE("dspxor_ck", 1); /* IDLXORP_DSP */ |
| } |
| |
| static inline void omap_clkdsp_idlect2_update(struct omap_mpu_state_s *s, |
| uint16_t diff, uint16_t value) |
| { |
| omap_clk clk; |
| |
| SET_ONOFF("dspxor_ck", 1); /* EN_XORPCK */ |
| } |
| |
| static void omap_clkdsp_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 - s->clkm.dsp_base; |
| uint16_t diff; |
| |
| switch (offset) { |
| case 0x04: /* DSP_IDLECT1 */ |
| diff = s->clkm.dsp_idlect1 ^ value; |
| s->clkm.dsp_idlect1 = value & 0x01f7; |
| omap_clkdsp_idlect1_update(s, diff, value); |
| break; |
| |
| case 0x08: /* DSP_IDLECT2 */ |
| s->clkm.dsp_idlect2 = value & 0x0037; |
| diff = s->clkm.dsp_idlect1 ^ value; |
| omap_clkdsp_idlect2_update(s, diff, value); |
| break; |
| |
| case 0x14: /* DSP_RSTCT2 */ |
| s->clkm.dsp_rstct2 = value & 0x0001; |
| break; |
| |
| case 0x18: /* DSP_SYSST */ |
| s->clkm.cold_start &= value & 0x3f; |
| break; |
| |
| default: |
| OMAP_BAD_REG(addr); |
| } |
| } |
| |
| static CPUReadMemoryFunc *omap_clkdsp_readfn[] = { |
| omap_badwidth_read16, |
| omap_clkdsp_read, |
| omap_badwidth_read16, |
| }; |
| |
| static CPUWriteMemoryFunc *omap_clkdsp_writefn[] = { |
| omap_badwidth_write16, |
| omap_clkdsp_write, |
| omap_badwidth_write16, |
| }; |
| |
| static void omap_clkm_reset(struct omap_mpu_state_s *s) |
| { |
| if (s->wdt && s->wdt->reset) |
| s->clkm.cold_start = 0x6; |
| 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); |
| s->clkm.arm_idlect1 = 0x0400; |
| 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.arm_rstct2 = 0x0000; |
| s->clkm.arm_ckout1 = 0x0015; |
| s->clkm.dpll1_mode = 0x2002; |
| omap_clkdsp_idlect1_update(s, s->clkm.dsp_idlect1 ^ 0x0040, 0x0040); |
| s->clkm.dsp_idlect1 = 0x0040; |
| omap_clkdsp_idlect2_update(s, ~0, 0x0000); |
| s->clkm.dsp_idlect2 = 0x0000; |
| s->clkm.dsp_rstct2 = 0x0000; |
| } |
| |
| static void omap_clkm_init(target_phys_addr_t mpu_base, |
| target_phys_addr_t dsp_base, struct omap_mpu_state_s *s) |
| { |
| int iomemtype[2] = { |
| cpu_register_io_memory(0, omap_clkm_readfn, omap_clkm_writefn, s), |
| cpu_register_io_memory(0, omap_clkdsp_readfn, omap_clkdsp_writefn, s), |
| }; |
| |
| s->clkm.mpu_base = mpu_base; |
| s->clkm.dsp_base = dsp_base; |
| s->clkm.cold_start = 0x3a; |
| omap_clkm_reset(s); |
| |
| 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) |
| { |
| 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->uart1); |
| omap_uart_reset(mpu->uart2); |
| omap_uart_reset(mpu->uart3); |
| omap_mmc_reset(mpu->mmc); |
| cpu_reset(mpu->env); |
| } |
| |
| static void omap_mpu_wakeup(void *opaque, int irq, int req) |
| { |
| struct omap_mpu_state_s *mpu = (struct omap_mpu_state_s *) opaque; |
| |
| 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; |
| |
| /* Core */ |
| s->mpu_model = omap310; |
| s->env = cpu_init(); |
| s->sdram_size = sdram_size; |
| s->sram_size = OMAP15XX_SRAM_SIZE; |
| |
| cpu_arm_set_model(s->env, core ?: "ti925t"); |
| |
| /* 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->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); |
| |
| 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")); |
| |
| qemu_register_reset(omap_mpu_reset, s); |
| s->wakeup = qemu_allocate_irqs(omap_mpu_wakeup, s, 1)[0]; |
| |
| return s; |
| } |