 2e03286b9a
			
		
	
	
		2e03286b9a
		
	
	
	
	
		
			
			Revert the logfile->stderr change. git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@3194 c046a42c-6fe2-441c-8c8c-71466251a162
		
			
				
	
	
		
			2930 lines
		
	
	
		
			84 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			2930 lines
		
	
	
		
			84 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| /*
 | |
|  * 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;
 | |
| }
 |