target_phys_addr_t is unwieldly, violates the C standard (_t suffixes are
reserved) and its purpose doesn't match the name (most target_phys_addr_t
addresses are not target specific).  Replace it with a finger-friendly,
standards conformant hwaddr.
Outstanding patchsets can be fixed up with the command
  git rebase -i --exec 'find -name "*.[ch]"
                        | xargs s/target_phys_addr_t/hwaddr/g' origin
Signed-off-by: Avi Kivity <avi@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
		
	
			
		
			
				
	
	
		
			1623 lines
		
	
	
		
			42 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			1623 lines
		
	
	
		
			42 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
/*
 | 
						|
 * StrongARM SA-1100/SA-1110 emulation
 | 
						|
 *
 | 
						|
 * Copyright (C) 2011 Dmitry Eremin-Solenikov
 | 
						|
 *
 | 
						|
 * Largely based on StrongARM emulation:
 | 
						|
 * Copyright (c) 2006 Openedhand Ltd.
 | 
						|
 * Written by Andrzej Zaborowski <balrog@zabor.org>
 | 
						|
 *
 | 
						|
 * UART code based on QEMU 16550A UART emulation
 | 
						|
 * Copyright (c) 2003-2004 Fabrice Bellard
 | 
						|
 * Copyright (c) 2008 Citrix Systems, Inc.
 | 
						|
 *
 | 
						|
 *  This program is free software; you can redistribute it and/or modify
 | 
						|
 *  it under the terms of the GNU General Public License version 2 as
 | 
						|
 *  published by the Free Software Foundation.
 | 
						|
 *
 | 
						|
 *  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, see <http://www.gnu.org/licenses/>.
 | 
						|
 *
 | 
						|
 *  Contributions after 2012-01-13 are licensed under the terms of the
 | 
						|
 *  GNU GPL, version 2 or (at your option) any later version.
 | 
						|
 */
 | 
						|
#include "sysbus.h"
 | 
						|
#include "strongarm.h"
 | 
						|
#include "qemu-error.h"
 | 
						|
#include "arm-misc.h"
 | 
						|
#include "sysemu.h"
 | 
						|
#include "ssi.h"
 | 
						|
 | 
						|
//#define DEBUG
 | 
						|
 | 
						|
/*
 | 
						|
 TODO
 | 
						|
 - Implement cp15, c14 ?
 | 
						|
 - Implement cp15, c15 !!! (idle used in L)
 | 
						|
 - Implement idle mode handling/DIM
 | 
						|
 - Implement sleep mode/Wake sources
 | 
						|
 - Implement reset control
 | 
						|
 - Implement memory control regs
 | 
						|
 - PCMCIA handling
 | 
						|
 - Maybe support MBGNT/MBREQ
 | 
						|
 - DMA channels
 | 
						|
 - GPCLK
 | 
						|
 - IrDA
 | 
						|
 - MCP
 | 
						|
 - Enhance UART with modem signals
 | 
						|
 */
 | 
						|
 | 
						|
#ifdef DEBUG
 | 
						|
# define DPRINTF(format, ...) printf(format , ## __VA_ARGS__)
 | 
						|
#else
 | 
						|
# define DPRINTF(format, ...) do { } while (0)
 | 
						|
#endif
 | 
						|
 | 
						|
static struct {
 | 
						|
    hwaddr io_base;
 | 
						|
    int irq;
 | 
						|
} sa_serial[] = {
 | 
						|
    { 0x80010000, SA_PIC_UART1 },
 | 
						|
    { 0x80030000, SA_PIC_UART2 },
 | 
						|
    { 0x80050000, SA_PIC_UART3 },
 | 
						|
    { 0, 0 }
 | 
						|
};
 | 
						|
 | 
						|
/* Interrupt Controller */
 | 
						|
typedef struct {
 | 
						|
    SysBusDevice busdev;
 | 
						|
    MemoryRegion iomem;
 | 
						|
    qemu_irq    irq;
 | 
						|
    qemu_irq    fiq;
 | 
						|
 | 
						|
    uint32_t pending;
 | 
						|
    uint32_t enabled;
 | 
						|
    uint32_t is_fiq;
 | 
						|
    uint32_t int_idle;
 | 
						|
} StrongARMPICState;
 | 
						|
 | 
						|
#define ICIP    0x00
 | 
						|
#define ICMR    0x04
 | 
						|
#define ICLR    0x08
 | 
						|
#define ICFP    0x10
 | 
						|
#define ICPR    0x20
 | 
						|
#define ICCR    0x0c
 | 
						|
 | 
						|
#define SA_PIC_SRCS     32
 | 
						|
 | 
						|
 | 
						|
static void strongarm_pic_update(void *opaque)
 | 
						|
{
 | 
						|
    StrongARMPICState *s = opaque;
 | 
						|
 | 
						|
    /* FIXME: reflect DIM */
 | 
						|
    qemu_set_irq(s->fiq, s->pending & s->enabled &  s->is_fiq);
 | 
						|
    qemu_set_irq(s->irq, s->pending & s->enabled & ~s->is_fiq);
 | 
						|
}
 | 
						|
 | 
						|
static void strongarm_pic_set_irq(void *opaque, int irq, int level)
 | 
						|
{
 | 
						|
    StrongARMPICState *s = opaque;
 | 
						|
 | 
						|
    if (level) {
 | 
						|
        s->pending |= 1 << irq;
 | 
						|
    } else {
 | 
						|
        s->pending &= ~(1 << irq);
 | 
						|
    }
 | 
						|
 | 
						|
    strongarm_pic_update(s);
 | 
						|
}
 | 
						|
 | 
						|
static uint64_t strongarm_pic_mem_read(void *opaque, hwaddr offset,
 | 
						|
                                       unsigned size)
 | 
						|
{
 | 
						|
    StrongARMPICState *s = opaque;
 | 
						|
 | 
						|
    switch (offset) {
 | 
						|
    case ICIP:
 | 
						|
        return s->pending & ~s->is_fiq & s->enabled;
 | 
						|
    case ICMR:
 | 
						|
        return s->enabled;
 | 
						|
    case ICLR:
 | 
						|
        return s->is_fiq;
 | 
						|
    case ICCR:
 | 
						|
        return s->int_idle == 0;
 | 
						|
    case ICFP:
 | 
						|
        return s->pending & s->is_fiq & s->enabled;
 | 
						|
    case ICPR:
 | 
						|
        return s->pending;
 | 
						|
    default:
 | 
						|
        printf("%s: Bad register offset 0x" TARGET_FMT_plx "\n",
 | 
						|
                        __func__, offset);
 | 
						|
        return 0;
 | 
						|
    }
 | 
						|
}
 | 
						|
 | 
						|
static void strongarm_pic_mem_write(void *opaque, hwaddr offset,
 | 
						|
                                    uint64_t value, unsigned size)
 | 
						|
{
 | 
						|
    StrongARMPICState *s = opaque;
 | 
						|
 | 
						|
    switch (offset) {
 | 
						|
    case ICMR:
 | 
						|
        s->enabled = value;
 | 
						|
        break;
 | 
						|
    case ICLR:
 | 
						|
        s->is_fiq = value;
 | 
						|
        break;
 | 
						|
    case ICCR:
 | 
						|
        s->int_idle = (value & 1) ? 0 : ~0;
 | 
						|
        break;
 | 
						|
    default:
 | 
						|
        printf("%s: Bad register offset 0x" TARGET_FMT_plx "\n",
 | 
						|
                        __func__, offset);
 | 
						|
        break;
 | 
						|
    }
 | 
						|
    strongarm_pic_update(s);
 | 
						|
}
 | 
						|
 | 
						|
static const MemoryRegionOps strongarm_pic_ops = {
 | 
						|
    .read = strongarm_pic_mem_read,
 | 
						|
    .write = strongarm_pic_mem_write,
 | 
						|
    .endianness = DEVICE_NATIVE_ENDIAN,
 | 
						|
};
 | 
						|
 | 
						|
static int strongarm_pic_initfn(SysBusDevice *dev)
 | 
						|
{
 | 
						|
    StrongARMPICState *s = FROM_SYSBUS(StrongARMPICState, dev);
 | 
						|
 | 
						|
    qdev_init_gpio_in(&dev->qdev, strongarm_pic_set_irq, SA_PIC_SRCS);
 | 
						|
    memory_region_init_io(&s->iomem, &strongarm_pic_ops, s, "pic", 0x1000);
 | 
						|
    sysbus_init_mmio(dev, &s->iomem);
 | 
						|
    sysbus_init_irq(dev, &s->irq);
 | 
						|
    sysbus_init_irq(dev, &s->fiq);
 | 
						|
 | 
						|
    return 0;
 | 
						|
}
 | 
						|
 | 
						|
static int strongarm_pic_post_load(void *opaque, int version_id)
 | 
						|
{
 | 
						|
    strongarm_pic_update(opaque);
 | 
						|
    return 0;
 | 
						|
}
 | 
						|
 | 
						|
static VMStateDescription vmstate_strongarm_pic_regs = {
 | 
						|
    .name = "strongarm_pic",
 | 
						|
    .version_id = 0,
 | 
						|
    .minimum_version_id = 0,
 | 
						|
    .minimum_version_id_old = 0,
 | 
						|
    .post_load = strongarm_pic_post_load,
 | 
						|
    .fields = (VMStateField[]) {
 | 
						|
        VMSTATE_UINT32(pending, StrongARMPICState),
 | 
						|
        VMSTATE_UINT32(enabled, StrongARMPICState),
 | 
						|
        VMSTATE_UINT32(is_fiq, StrongARMPICState),
 | 
						|
        VMSTATE_UINT32(int_idle, StrongARMPICState),
 | 
						|
        VMSTATE_END_OF_LIST(),
 | 
						|
    },
 | 
						|
};
 | 
						|
 | 
						|
static void strongarm_pic_class_init(ObjectClass *klass, void *data)
 | 
						|
{
 | 
						|
    DeviceClass *dc = DEVICE_CLASS(klass);
 | 
						|
    SysBusDeviceClass *k = SYS_BUS_DEVICE_CLASS(klass);
 | 
						|
 | 
						|
    k->init = strongarm_pic_initfn;
 | 
						|
    dc->desc = "StrongARM PIC";
 | 
						|
    dc->vmsd = &vmstate_strongarm_pic_regs;
 | 
						|
}
 | 
						|
 | 
						|
static TypeInfo strongarm_pic_info = {
 | 
						|
    .name          = "strongarm_pic",
 | 
						|
    .parent        = TYPE_SYS_BUS_DEVICE,
 | 
						|
    .instance_size = sizeof(StrongARMPICState),
 | 
						|
    .class_init    = strongarm_pic_class_init,
 | 
						|
};
 | 
						|
 | 
						|
/* Real-Time Clock */
 | 
						|
#define RTAR 0x00 /* RTC Alarm register */
 | 
						|
#define RCNR 0x04 /* RTC Counter register */
 | 
						|
#define RTTR 0x08 /* RTC Timer Trim register */
 | 
						|
#define RTSR 0x10 /* RTC Status register */
 | 
						|
 | 
						|
#define RTSR_AL (1 << 0) /* RTC Alarm detected */
 | 
						|
#define RTSR_HZ (1 << 1) /* RTC 1Hz detected */
 | 
						|
#define RTSR_ALE (1 << 2) /* RTC Alarm enable */
 | 
						|
#define RTSR_HZE (1 << 3) /* RTC 1Hz enable */
 | 
						|
 | 
						|
/* 16 LSB of RTTR are clockdiv for internal trim logic,
 | 
						|
 * trim delete isn't emulated, so
 | 
						|
 * f = 32 768 / (RTTR_trim + 1) */
 | 
						|
 | 
						|
typedef struct {
 | 
						|
    SysBusDevice busdev;
 | 
						|
    MemoryRegion iomem;
 | 
						|
    uint32_t rttr;
 | 
						|
    uint32_t rtsr;
 | 
						|
    uint32_t rtar;
 | 
						|
    uint32_t last_rcnr;
 | 
						|
    int64_t last_hz;
 | 
						|
    QEMUTimer *rtc_alarm;
 | 
						|
    QEMUTimer *rtc_hz;
 | 
						|
    qemu_irq rtc_irq;
 | 
						|
    qemu_irq rtc_hz_irq;
 | 
						|
} StrongARMRTCState;
 | 
						|
 | 
						|
static inline void strongarm_rtc_int_update(StrongARMRTCState *s)
 | 
						|
{
 | 
						|
    qemu_set_irq(s->rtc_irq, s->rtsr & RTSR_AL);
 | 
						|
    qemu_set_irq(s->rtc_hz_irq, s->rtsr & RTSR_HZ);
 | 
						|
}
 | 
						|
 | 
						|
static void strongarm_rtc_hzupdate(StrongARMRTCState *s)
 | 
						|
{
 | 
						|
    int64_t rt = qemu_get_clock_ms(rtc_clock);
 | 
						|
    s->last_rcnr += ((rt - s->last_hz) << 15) /
 | 
						|
            (1000 * ((s->rttr & 0xffff) + 1));
 | 
						|
    s->last_hz = rt;
 | 
						|
}
 | 
						|
 | 
						|
static inline void strongarm_rtc_timer_update(StrongARMRTCState *s)
 | 
						|
{
 | 
						|
    if ((s->rtsr & RTSR_HZE) && !(s->rtsr & RTSR_HZ)) {
 | 
						|
        qemu_mod_timer(s->rtc_hz, s->last_hz + 1000);
 | 
						|
    } else {
 | 
						|
        qemu_del_timer(s->rtc_hz);
 | 
						|
    }
 | 
						|
 | 
						|
    if ((s->rtsr & RTSR_ALE) && !(s->rtsr & RTSR_AL)) {
 | 
						|
        qemu_mod_timer(s->rtc_alarm, s->last_hz +
 | 
						|
                (((s->rtar - s->last_rcnr) * 1000 *
 | 
						|
                  ((s->rttr & 0xffff) + 1)) >> 15));
 | 
						|
    } else {
 | 
						|
        qemu_del_timer(s->rtc_alarm);
 | 
						|
    }
 | 
						|
}
 | 
						|
 | 
						|
static inline void strongarm_rtc_alarm_tick(void *opaque)
 | 
						|
{
 | 
						|
    StrongARMRTCState *s = opaque;
 | 
						|
    s->rtsr |= RTSR_AL;
 | 
						|
    strongarm_rtc_timer_update(s);
 | 
						|
    strongarm_rtc_int_update(s);
 | 
						|
}
 | 
						|
 | 
						|
static inline void strongarm_rtc_hz_tick(void *opaque)
 | 
						|
{
 | 
						|
    StrongARMRTCState *s = opaque;
 | 
						|
    s->rtsr |= RTSR_HZ;
 | 
						|
    strongarm_rtc_timer_update(s);
 | 
						|
    strongarm_rtc_int_update(s);
 | 
						|
}
 | 
						|
 | 
						|
static uint64_t strongarm_rtc_read(void *opaque, hwaddr addr,
 | 
						|
                                   unsigned size)
 | 
						|
{
 | 
						|
    StrongARMRTCState *s = opaque;
 | 
						|
 | 
						|
    switch (addr) {
 | 
						|
    case RTTR:
 | 
						|
        return s->rttr;
 | 
						|
    case RTSR:
 | 
						|
        return s->rtsr;
 | 
						|
    case RTAR:
 | 
						|
        return s->rtar;
 | 
						|
    case RCNR:
 | 
						|
        return s->last_rcnr +
 | 
						|
                ((qemu_get_clock_ms(rtc_clock) - s->last_hz) << 15) /
 | 
						|
                (1000 * ((s->rttr & 0xffff) + 1));
 | 
						|
    default:
 | 
						|
        printf("%s: Bad register 0x" TARGET_FMT_plx "\n", __func__, addr);
 | 
						|
        return 0;
 | 
						|
    }
 | 
						|
}
 | 
						|
 | 
						|
static void strongarm_rtc_write(void *opaque, hwaddr addr,
 | 
						|
                                uint64_t value, unsigned size)
 | 
						|
{
 | 
						|
    StrongARMRTCState *s = opaque;
 | 
						|
    uint32_t old_rtsr;
 | 
						|
 | 
						|
    switch (addr) {
 | 
						|
    case RTTR:
 | 
						|
        strongarm_rtc_hzupdate(s);
 | 
						|
        s->rttr = value;
 | 
						|
        strongarm_rtc_timer_update(s);
 | 
						|
        break;
 | 
						|
 | 
						|
    case RTSR:
 | 
						|
        old_rtsr = s->rtsr;
 | 
						|
        s->rtsr = (value & (RTSR_ALE | RTSR_HZE)) |
 | 
						|
                  (s->rtsr & ~(value & (RTSR_AL | RTSR_HZ)));
 | 
						|
 | 
						|
        if (s->rtsr != old_rtsr) {
 | 
						|
            strongarm_rtc_timer_update(s);
 | 
						|
        }
 | 
						|
 | 
						|
        strongarm_rtc_int_update(s);
 | 
						|
        break;
 | 
						|
 | 
						|
    case RTAR:
 | 
						|
        s->rtar = value;
 | 
						|
        strongarm_rtc_timer_update(s);
 | 
						|
        break;
 | 
						|
 | 
						|
    case RCNR:
 | 
						|
        strongarm_rtc_hzupdate(s);
 | 
						|
        s->last_rcnr = value;
 | 
						|
        strongarm_rtc_timer_update(s);
 | 
						|
        break;
 | 
						|
 | 
						|
    default:
 | 
						|
        printf("%s: Bad register 0x" TARGET_FMT_plx "\n", __func__, addr);
 | 
						|
    }
 | 
						|
}
 | 
						|
 | 
						|
static const MemoryRegionOps strongarm_rtc_ops = {
 | 
						|
    .read = strongarm_rtc_read,
 | 
						|
    .write = strongarm_rtc_write,
 | 
						|
    .endianness = DEVICE_NATIVE_ENDIAN,
 | 
						|
};
 | 
						|
 | 
						|
static int strongarm_rtc_init(SysBusDevice *dev)
 | 
						|
{
 | 
						|
    StrongARMRTCState *s = FROM_SYSBUS(StrongARMRTCState, dev);
 | 
						|
    struct tm tm;
 | 
						|
 | 
						|
    s->rttr = 0x0;
 | 
						|
    s->rtsr = 0;
 | 
						|
 | 
						|
    qemu_get_timedate(&tm, 0);
 | 
						|
 | 
						|
    s->last_rcnr = (uint32_t) mktimegm(&tm);
 | 
						|
    s->last_hz = qemu_get_clock_ms(rtc_clock);
 | 
						|
 | 
						|
    s->rtc_alarm = qemu_new_timer_ms(rtc_clock, strongarm_rtc_alarm_tick, s);
 | 
						|
    s->rtc_hz = qemu_new_timer_ms(rtc_clock, strongarm_rtc_hz_tick, s);
 | 
						|
 | 
						|
    sysbus_init_irq(dev, &s->rtc_irq);
 | 
						|
    sysbus_init_irq(dev, &s->rtc_hz_irq);
 | 
						|
 | 
						|
    memory_region_init_io(&s->iomem, &strongarm_rtc_ops, s, "rtc", 0x10000);
 | 
						|
    sysbus_init_mmio(dev, &s->iomem);
 | 
						|
 | 
						|
    return 0;
 | 
						|
}
 | 
						|
 | 
						|
static void strongarm_rtc_pre_save(void *opaque)
 | 
						|
{
 | 
						|
    StrongARMRTCState *s = opaque;
 | 
						|
 | 
						|
    strongarm_rtc_hzupdate(s);
 | 
						|
}
 | 
						|
 | 
						|
static int strongarm_rtc_post_load(void *opaque, int version_id)
 | 
						|
{
 | 
						|
    StrongARMRTCState *s = opaque;
 | 
						|
 | 
						|
    strongarm_rtc_timer_update(s);
 | 
						|
    strongarm_rtc_int_update(s);
 | 
						|
 | 
						|
    return 0;
 | 
						|
}
 | 
						|
 | 
						|
static const VMStateDescription vmstate_strongarm_rtc_regs = {
 | 
						|
    .name = "strongarm-rtc",
 | 
						|
    .version_id = 0,
 | 
						|
    .minimum_version_id = 0,
 | 
						|
    .minimum_version_id_old = 0,
 | 
						|
    .pre_save = strongarm_rtc_pre_save,
 | 
						|
    .post_load = strongarm_rtc_post_load,
 | 
						|
    .fields = (VMStateField[]) {
 | 
						|
        VMSTATE_UINT32(rttr, StrongARMRTCState),
 | 
						|
        VMSTATE_UINT32(rtsr, StrongARMRTCState),
 | 
						|
        VMSTATE_UINT32(rtar, StrongARMRTCState),
 | 
						|
        VMSTATE_UINT32(last_rcnr, StrongARMRTCState),
 | 
						|
        VMSTATE_INT64(last_hz, StrongARMRTCState),
 | 
						|
        VMSTATE_END_OF_LIST(),
 | 
						|
    },
 | 
						|
};
 | 
						|
 | 
						|
static void strongarm_rtc_sysbus_class_init(ObjectClass *klass, void *data)
 | 
						|
{
 | 
						|
    DeviceClass *dc = DEVICE_CLASS(klass);
 | 
						|
    SysBusDeviceClass *k = SYS_BUS_DEVICE_CLASS(klass);
 | 
						|
 | 
						|
    k->init = strongarm_rtc_init;
 | 
						|
    dc->desc = "StrongARM RTC Controller";
 | 
						|
    dc->vmsd = &vmstate_strongarm_rtc_regs;
 | 
						|
}
 | 
						|
 | 
						|
static TypeInfo strongarm_rtc_sysbus_info = {
 | 
						|
    .name          = "strongarm-rtc",
 | 
						|
    .parent        = TYPE_SYS_BUS_DEVICE,
 | 
						|
    .instance_size = sizeof(StrongARMRTCState),
 | 
						|
    .class_init    = strongarm_rtc_sysbus_class_init,
 | 
						|
};
 | 
						|
 | 
						|
/* GPIO */
 | 
						|
#define GPLR 0x00
 | 
						|
#define GPDR 0x04
 | 
						|
#define GPSR 0x08
 | 
						|
#define GPCR 0x0c
 | 
						|
#define GRER 0x10
 | 
						|
#define GFER 0x14
 | 
						|
#define GEDR 0x18
 | 
						|
#define GAFR 0x1c
 | 
						|
 | 
						|
typedef struct StrongARMGPIOInfo StrongARMGPIOInfo;
 | 
						|
struct StrongARMGPIOInfo {
 | 
						|
    SysBusDevice busdev;
 | 
						|
    MemoryRegion iomem;
 | 
						|
    qemu_irq handler[28];
 | 
						|
    qemu_irq irqs[11];
 | 
						|
    qemu_irq irqX;
 | 
						|
 | 
						|
    uint32_t ilevel;
 | 
						|
    uint32_t olevel;
 | 
						|
    uint32_t dir;
 | 
						|
    uint32_t rising;
 | 
						|
    uint32_t falling;
 | 
						|
    uint32_t status;
 | 
						|
    uint32_t gpsr;
 | 
						|
    uint32_t gafr;
 | 
						|
 | 
						|
    uint32_t prev_level;
 | 
						|
};
 | 
						|
 | 
						|
 | 
						|
static void strongarm_gpio_irq_update(StrongARMGPIOInfo *s)
 | 
						|
{
 | 
						|
    int i;
 | 
						|
    for (i = 0; i < 11; i++) {
 | 
						|
        qemu_set_irq(s->irqs[i], s->status & (1 << i));
 | 
						|
    }
 | 
						|
 | 
						|
    qemu_set_irq(s->irqX, (s->status & ~0x7ff));
 | 
						|
}
 | 
						|
 | 
						|
static void strongarm_gpio_set(void *opaque, int line, int level)
 | 
						|
{
 | 
						|
    StrongARMGPIOInfo *s = opaque;
 | 
						|
    uint32_t mask;
 | 
						|
 | 
						|
    mask = 1 << line;
 | 
						|
 | 
						|
    if (level) {
 | 
						|
        s->status |= s->rising & mask &
 | 
						|
                ~s->ilevel & ~s->dir;
 | 
						|
        s->ilevel |= mask;
 | 
						|
    } else {
 | 
						|
        s->status |= s->falling & mask &
 | 
						|
                s->ilevel & ~s->dir;
 | 
						|
        s->ilevel &= ~mask;
 | 
						|
    }
 | 
						|
 | 
						|
    if (s->status & mask) {
 | 
						|
        strongarm_gpio_irq_update(s);
 | 
						|
    }
 | 
						|
}
 | 
						|
 | 
						|
static void strongarm_gpio_handler_update(StrongARMGPIOInfo *s)
 | 
						|
{
 | 
						|
    uint32_t level, diff;
 | 
						|
    int bit;
 | 
						|
 | 
						|
    level = s->olevel & s->dir;
 | 
						|
 | 
						|
    for (diff = s->prev_level ^ level; diff; diff ^= 1 << bit) {
 | 
						|
        bit = ffs(diff) - 1;
 | 
						|
        qemu_set_irq(s->handler[bit], (level >> bit) & 1);
 | 
						|
    }
 | 
						|
 | 
						|
    s->prev_level = level;
 | 
						|
}
 | 
						|
 | 
						|
static uint64_t strongarm_gpio_read(void *opaque, hwaddr offset,
 | 
						|
                                    unsigned size)
 | 
						|
{
 | 
						|
    StrongARMGPIOInfo *s = opaque;
 | 
						|
 | 
						|
    switch (offset) {
 | 
						|
    case GPDR:        /* GPIO Pin-Direction registers */
 | 
						|
        return s->dir;
 | 
						|
 | 
						|
    case GPSR:        /* GPIO Pin-Output Set registers */
 | 
						|
        DPRINTF("%s: Read from a write-only register 0x" TARGET_FMT_plx "\n",
 | 
						|
                        __func__, offset);
 | 
						|
        return s->gpsr;    /* Return last written value.  */
 | 
						|
 | 
						|
    case GPCR:        /* GPIO Pin-Output Clear registers */
 | 
						|
        DPRINTF("%s: Read from a write-only register 0x" TARGET_FMT_plx "\n",
 | 
						|
                        __func__, offset);
 | 
						|
        return 31337;        /* Specified as unpredictable in the docs.  */
 | 
						|
 | 
						|
    case GRER:        /* GPIO Rising-Edge Detect Enable registers */
 | 
						|
        return s->rising;
 | 
						|
 | 
						|
    case GFER:        /* GPIO Falling-Edge Detect Enable registers */
 | 
						|
        return s->falling;
 | 
						|
 | 
						|
    case GAFR:        /* GPIO Alternate Function registers */
 | 
						|
        return s->gafr;
 | 
						|
 | 
						|
    case GPLR:        /* GPIO Pin-Level registers */
 | 
						|
        return (s->olevel & s->dir) |
 | 
						|
               (s->ilevel & ~s->dir);
 | 
						|
 | 
						|
    case GEDR:        /* GPIO Edge Detect Status registers */
 | 
						|
        return s->status;
 | 
						|
 | 
						|
    default:
 | 
						|
        printf("%s: Bad offset 0x" TARGET_FMT_plx "\n", __func__, offset);
 | 
						|
    }
 | 
						|
 | 
						|
    return 0;
 | 
						|
}
 | 
						|
 | 
						|
static void strongarm_gpio_write(void *opaque, hwaddr offset,
 | 
						|
                                 uint64_t value, unsigned size)
 | 
						|
{
 | 
						|
    StrongARMGPIOInfo *s = opaque;
 | 
						|
 | 
						|
    switch (offset) {
 | 
						|
    case GPDR:        /* GPIO Pin-Direction registers */
 | 
						|
        s->dir = value;
 | 
						|
        strongarm_gpio_handler_update(s);
 | 
						|
        break;
 | 
						|
 | 
						|
    case GPSR:        /* GPIO Pin-Output Set registers */
 | 
						|
        s->olevel |= value;
 | 
						|
        strongarm_gpio_handler_update(s);
 | 
						|
        s->gpsr = value;
 | 
						|
        break;
 | 
						|
 | 
						|
    case GPCR:        /* GPIO Pin-Output Clear registers */
 | 
						|
        s->olevel &= ~value;
 | 
						|
        strongarm_gpio_handler_update(s);
 | 
						|
        break;
 | 
						|
 | 
						|
    case GRER:        /* GPIO Rising-Edge Detect Enable registers */
 | 
						|
        s->rising = value;
 | 
						|
        break;
 | 
						|
 | 
						|
    case GFER:        /* GPIO Falling-Edge Detect Enable registers */
 | 
						|
        s->falling = value;
 | 
						|
        break;
 | 
						|
 | 
						|
    case GAFR:        /* GPIO Alternate Function registers */
 | 
						|
        s->gafr = value;
 | 
						|
        break;
 | 
						|
 | 
						|
    case GEDR:        /* GPIO Edge Detect Status registers */
 | 
						|
        s->status &= ~value;
 | 
						|
        strongarm_gpio_irq_update(s);
 | 
						|
        break;
 | 
						|
 | 
						|
    default:
 | 
						|
        printf("%s: Bad offset 0x" TARGET_FMT_plx "\n", __func__, offset);
 | 
						|
    }
 | 
						|
}
 | 
						|
 | 
						|
static const MemoryRegionOps strongarm_gpio_ops = {
 | 
						|
    .read = strongarm_gpio_read,
 | 
						|
    .write = strongarm_gpio_write,
 | 
						|
    .endianness = DEVICE_NATIVE_ENDIAN,
 | 
						|
};
 | 
						|
 | 
						|
static DeviceState *strongarm_gpio_init(hwaddr base,
 | 
						|
                DeviceState *pic)
 | 
						|
{
 | 
						|
    DeviceState *dev;
 | 
						|
    int i;
 | 
						|
 | 
						|
    dev = qdev_create(NULL, "strongarm-gpio");
 | 
						|
    qdev_init_nofail(dev);
 | 
						|
 | 
						|
    sysbus_mmio_map(sysbus_from_qdev(dev), 0, base);
 | 
						|
    for (i = 0; i < 12; i++)
 | 
						|
        sysbus_connect_irq(sysbus_from_qdev(dev), i,
 | 
						|
                    qdev_get_gpio_in(pic, SA_PIC_GPIO0_EDGE + i));
 | 
						|
 | 
						|
    return dev;
 | 
						|
}
 | 
						|
 | 
						|
static int strongarm_gpio_initfn(SysBusDevice *dev)
 | 
						|
{
 | 
						|
    StrongARMGPIOInfo *s;
 | 
						|
    int i;
 | 
						|
 | 
						|
    s = FROM_SYSBUS(StrongARMGPIOInfo, dev);
 | 
						|
 | 
						|
    qdev_init_gpio_in(&dev->qdev, strongarm_gpio_set, 28);
 | 
						|
    qdev_init_gpio_out(&dev->qdev, s->handler, 28);
 | 
						|
 | 
						|
    memory_region_init_io(&s->iomem, &strongarm_gpio_ops, s, "gpio", 0x1000);
 | 
						|
 | 
						|
    sysbus_init_mmio(dev, &s->iomem);
 | 
						|
    for (i = 0; i < 11; i++) {
 | 
						|
        sysbus_init_irq(dev, &s->irqs[i]);
 | 
						|
    }
 | 
						|
    sysbus_init_irq(dev, &s->irqX);
 | 
						|
 | 
						|
    return 0;
 | 
						|
}
 | 
						|
 | 
						|
static const VMStateDescription vmstate_strongarm_gpio_regs = {
 | 
						|
    .name = "strongarm-gpio",
 | 
						|
    .version_id = 0,
 | 
						|
    .minimum_version_id = 0,
 | 
						|
    .minimum_version_id_old = 0,
 | 
						|
    .fields = (VMStateField[]) {
 | 
						|
        VMSTATE_UINT32(ilevel, StrongARMGPIOInfo),
 | 
						|
        VMSTATE_UINT32(olevel, StrongARMGPIOInfo),
 | 
						|
        VMSTATE_UINT32(dir, StrongARMGPIOInfo),
 | 
						|
        VMSTATE_UINT32(rising, StrongARMGPIOInfo),
 | 
						|
        VMSTATE_UINT32(falling, StrongARMGPIOInfo),
 | 
						|
        VMSTATE_UINT32(status, StrongARMGPIOInfo),
 | 
						|
        VMSTATE_UINT32(gafr, StrongARMGPIOInfo),
 | 
						|
        VMSTATE_END_OF_LIST(),
 | 
						|
    },
 | 
						|
};
 | 
						|
 | 
						|
static void strongarm_gpio_class_init(ObjectClass *klass, void *data)
 | 
						|
{
 | 
						|
    DeviceClass *dc = DEVICE_CLASS(klass);
 | 
						|
    SysBusDeviceClass *k = SYS_BUS_DEVICE_CLASS(klass);
 | 
						|
 | 
						|
    k->init = strongarm_gpio_initfn;
 | 
						|
    dc->desc = "StrongARM GPIO controller";
 | 
						|
}
 | 
						|
 | 
						|
static TypeInfo strongarm_gpio_info = {
 | 
						|
    .name          = "strongarm-gpio",
 | 
						|
    .parent        = TYPE_SYS_BUS_DEVICE,
 | 
						|
    .instance_size = sizeof(StrongARMGPIOInfo),
 | 
						|
    .class_init    = strongarm_gpio_class_init,
 | 
						|
};
 | 
						|
 | 
						|
/* Peripheral Pin Controller */
 | 
						|
#define PPDR 0x00
 | 
						|
#define PPSR 0x04
 | 
						|
#define PPAR 0x08
 | 
						|
#define PSDR 0x0c
 | 
						|
#define PPFR 0x10
 | 
						|
 | 
						|
typedef struct StrongARMPPCInfo StrongARMPPCInfo;
 | 
						|
struct StrongARMPPCInfo {
 | 
						|
    SysBusDevice busdev;
 | 
						|
    MemoryRegion iomem;
 | 
						|
    qemu_irq handler[28];
 | 
						|
 | 
						|
    uint32_t ilevel;
 | 
						|
    uint32_t olevel;
 | 
						|
    uint32_t dir;
 | 
						|
    uint32_t ppar;
 | 
						|
    uint32_t psdr;
 | 
						|
    uint32_t ppfr;
 | 
						|
 | 
						|
    uint32_t prev_level;
 | 
						|
};
 | 
						|
 | 
						|
static void strongarm_ppc_set(void *opaque, int line, int level)
 | 
						|
{
 | 
						|
    StrongARMPPCInfo *s = opaque;
 | 
						|
 | 
						|
    if (level) {
 | 
						|
        s->ilevel |= 1 << line;
 | 
						|
    } else {
 | 
						|
        s->ilevel &= ~(1 << line);
 | 
						|
    }
 | 
						|
}
 | 
						|
 | 
						|
static void strongarm_ppc_handler_update(StrongARMPPCInfo *s)
 | 
						|
{
 | 
						|
    uint32_t level, diff;
 | 
						|
    int bit;
 | 
						|
 | 
						|
    level = s->olevel & s->dir;
 | 
						|
 | 
						|
    for (diff = s->prev_level ^ level; diff; diff ^= 1 << bit) {
 | 
						|
        bit = ffs(diff) - 1;
 | 
						|
        qemu_set_irq(s->handler[bit], (level >> bit) & 1);
 | 
						|
    }
 | 
						|
 | 
						|
    s->prev_level = level;
 | 
						|
}
 | 
						|
 | 
						|
static uint64_t strongarm_ppc_read(void *opaque, hwaddr offset,
 | 
						|
                                   unsigned size)
 | 
						|
{
 | 
						|
    StrongARMPPCInfo *s = opaque;
 | 
						|
 | 
						|
    switch (offset) {
 | 
						|
    case PPDR:        /* PPC Pin Direction registers */
 | 
						|
        return s->dir | ~0x3fffff;
 | 
						|
 | 
						|
    case PPSR:        /* PPC Pin State registers */
 | 
						|
        return (s->olevel & s->dir) |
 | 
						|
               (s->ilevel & ~s->dir) |
 | 
						|
               ~0x3fffff;
 | 
						|
 | 
						|
    case PPAR:
 | 
						|
        return s->ppar | ~0x41000;
 | 
						|
 | 
						|
    case PSDR:
 | 
						|
        return s->psdr;
 | 
						|
 | 
						|
    case PPFR:
 | 
						|
        return s->ppfr | ~0x7f001;
 | 
						|
 | 
						|
    default:
 | 
						|
        printf("%s: Bad offset 0x" TARGET_FMT_plx "\n", __func__, offset);
 | 
						|
    }
 | 
						|
 | 
						|
    return 0;
 | 
						|
}
 | 
						|
 | 
						|
static void strongarm_ppc_write(void *opaque, hwaddr offset,
 | 
						|
                                uint64_t value, unsigned size)
 | 
						|
{
 | 
						|
    StrongARMPPCInfo *s = opaque;
 | 
						|
 | 
						|
    switch (offset) {
 | 
						|
    case PPDR:        /* PPC Pin Direction registers */
 | 
						|
        s->dir = value & 0x3fffff;
 | 
						|
        strongarm_ppc_handler_update(s);
 | 
						|
        break;
 | 
						|
 | 
						|
    case PPSR:        /* PPC Pin State registers */
 | 
						|
        s->olevel = value & s->dir & 0x3fffff;
 | 
						|
        strongarm_ppc_handler_update(s);
 | 
						|
        break;
 | 
						|
 | 
						|
    case PPAR:
 | 
						|
        s->ppar = value & 0x41000;
 | 
						|
        break;
 | 
						|
 | 
						|
    case PSDR:
 | 
						|
        s->psdr = value & 0x3fffff;
 | 
						|
        break;
 | 
						|
 | 
						|
    case PPFR:
 | 
						|
        s->ppfr = value & 0x7f001;
 | 
						|
        break;
 | 
						|
 | 
						|
    default:
 | 
						|
        printf("%s: Bad offset 0x" TARGET_FMT_plx "\n", __func__, offset);
 | 
						|
    }
 | 
						|
}
 | 
						|
 | 
						|
static const MemoryRegionOps strongarm_ppc_ops = {
 | 
						|
    .read = strongarm_ppc_read,
 | 
						|
    .write = strongarm_ppc_write,
 | 
						|
    .endianness = DEVICE_NATIVE_ENDIAN,
 | 
						|
};
 | 
						|
 | 
						|
static int strongarm_ppc_init(SysBusDevice *dev)
 | 
						|
{
 | 
						|
    StrongARMPPCInfo *s;
 | 
						|
 | 
						|
    s = FROM_SYSBUS(StrongARMPPCInfo, dev);
 | 
						|
 | 
						|
    qdev_init_gpio_in(&dev->qdev, strongarm_ppc_set, 22);
 | 
						|
    qdev_init_gpio_out(&dev->qdev, s->handler, 22);
 | 
						|
 | 
						|
    memory_region_init_io(&s->iomem, &strongarm_ppc_ops, s, "ppc", 0x1000);
 | 
						|
 | 
						|
    sysbus_init_mmio(dev, &s->iomem);
 | 
						|
 | 
						|
    return 0;
 | 
						|
}
 | 
						|
 | 
						|
static const VMStateDescription vmstate_strongarm_ppc_regs = {
 | 
						|
    .name = "strongarm-ppc",
 | 
						|
    .version_id = 0,
 | 
						|
    .minimum_version_id = 0,
 | 
						|
    .minimum_version_id_old = 0,
 | 
						|
    .fields = (VMStateField[]) {
 | 
						|
        VMSTATE_UINT32(ilevel, StrongARMPPCInfo),
 | 
						|
        VMSTATE_UINT32(olevel, StrongARMPPCInfo),
 | 
						|
        VMSTATE_UINT32(dir, StrongARMPPCInfo),
 | 
						|
        VMSTATE_UINT32(ppar, StrongARMPPCInfo),
 | 
						|
        VMSTATE_UINT32(psdr, StrongARMPPCInfo),
 | 
						|
        VMSTATE_UINT32(ppfr, StrongARMPPCInfo),
 | 
						|
        VMSTATE_END_OF_LIST(),
 | 
						|
    },
 | 
						|
};
 | 
						|
 | 
						|
static void strongarm_ppc_class_init(ObjectClass *klass, void *data)
 | 
						|
{
 | 
						|
    DeviceClass *dc = DEVICE_CLASS(klass);
 | 
						|
    SysBusDeviceClass *k = SYS_BUS_DEVICE_CLASS(klass);
 | 
						|
 | 
						|
    k->init = strongarm_ppc_init;
 | 
						|
    dc->desc = "StrongARM PPC controller";
 | 
						|
}
 | 
						|
 | 
						|
static TypeInfo strongarm_ppc_info = {
 | 
						|
    .name          = "strongarm-ppc",
 | 
						|
    .parent        = TYPE_SYS_BUS_DEVICE,
 | 
						|
    .instance_size = sizeof(StrongARMPPCInfo),
 | 
						|
    .class_init    = strongarm_ppc_class_init,
 | 
						|
};
 | 
						|
 | 
						|
/* UART Ports */
 | 
						|
#define UTCR0 0x00
 | 
						|
#define UTCR1 0x04
 | 
						|
#define UTCR2 0x08
 | 
						|
#define UTCR3 0x0c
 | 
						|
#define UTDR  0x14
 | 
						|
#define UTSR0 0x1c
 | 
						|
#define UTSR1 0x20
 | 
						|
 | 
						|
#define UTCR0_PE  (1 << 0) /* Parity enable */
 | 
						|
#define UTCR0_OES (1 << 1) /* Even parity */
 | 
						|
#define UTCR0_SBS (1 << 2) /* 2 stop bits */
 | 
						|
#define UTCR0_DSS (1 << 3) /* 8-bit data */
 | 
						|
 | 
						|
#define UTCR3_RXE (1 << 0) /* Rx enable */
 | 
						|
#define UTCR3_TXE (1 << 1) /* Tx enable */
 | 
						|
#define UTCR3_BRK (1 << 2) /* Force Break */
 | 
						|
#define UTCR3_RIE (1 << 3) /* Rx int enable */
 | 
						|
#define UTCR3_TIE (1 << 4) /* Tx int enable */
 | 
						|
#define UTCR3_LBM (1 << 5) /* Loopback */
 | 
						|
 | 
						|
#define UTSR0_TFS (1 << 0) /* Tx FIFO nearly empty */
 | 
						|
#define UTSR0_RFS (1 << 1) /* Rx FIFO nearly full */
 | 
						|
#define UTSR0_RID (1 << 2) /* Receiver Idle */
 | 
						|
#define UTSR0_RBB (1 << 3) /* Receiver begin break */
 | 
						|
#define UTSR0_REB (1 << 4) /* Receiver end break */
 | 
						|
#define UTSR0_EIF (1 << 5) /* Error in FIFO */
 | 
						|
 | 
						|
#define UTSR1_RNE (1 << 1) /* Receive FIFO not empty */
 | 
						|
#define UTSR1_TNF (1 << 2) /* Transmit FIFO not full */
 | 
						|
#define UTSR1_PRE (1 << 3) /* Parity error */
 | 
						|
#define UTSR1_FRE (1 << 4) /* Frame error */
 | 
						|
#define UTSR1_ROR (1 << 5) /* Receive Over Run */
 | 
						|
 | 
						|
#define RX_FIFO_PRE (1 << 8)
 | 
						|
#define RX_FIFO_FRE (1 << 9)
 | 
						|
#define RX_FIFO_ROR (1 << 10)
 | 
						|
 | 
						|
typedef struct {
 | 
						|
    SysBusDevice busdev;
 | 
						|
    MemoryRegion iomem;
 | 
						|
    CharDriverState *chr;
 | 
						|
    qemu_irq irq;
 | 
						|
 | 
						|
    uint8_t utcr0;
 | 
						|
    uint16_t brd;
 | 
						|
    uint8_t utcr3;
 | 
						|
    uint8_t utsr0;
 | 
						|
    uint8_t utsr1;
 | 
						|
 | 
						|
    uint8_t tx_fifo[8];
 | 
						|
    uint8_t tx_start;
 | 
						|
    uint8_t tx_len;
 | 
						|
    uint16_t rx_fifo[12]; /* value + error flags in high bits */
 | 
						|
    uint8_t rx_start;
 | 
						|
    uint8_t rx_len;
 | 
						|
 | 
						|
    uint64_t char_transmit_time; /* time to transmit a char in ticks*/
 | 
						|
    bool wait_break_end;
 | 
						|
    QEMUTimer *rx_timeout_timer;
 | 
						|
    QEMUTimer *tx_timer;
 | 
						|
} StrongARMUARTState;
 | 
						|
 | 
						|
static void strongarm_uart_update_status(StrongARMUARTState *s)
 | 
						|
{
 | 
						|
    uint16_t utsr1 = 0;
 | 
						|
 | 
						|
    if (s->tx_len != 8) {
 | 
						|
        utsr1 |= UTSR1_TNF;
 | 
						|
    }
 | 
						|
 | 
						|
    if (s->rx_len != 0) {
 | 
						|
        uint16_t ent = s->rx_fifo[s->rx_start];
 | 
						|
 | 
						|
        utsr1 |= UTSR1_RNE;
 | 
						|
        if (ent & RX_FIFO_PRE) {
 | 
						|
            s->utsr1 |= UTSR1_PRE;
 | 
						|
        }
 | 
						|
        if (ent & RX_FIFO_FRE) {
 | 
						|
            s->utsr1 |= UTSR1_FRE;
 | 
						|
        }
 | 
						|
        if (ent & RX_FIFO_ROR) {
 | 
						|
            s->utsr1 |= UTSR1_ROR;
 | 
						|
        }
 | 
						|
    }
 | 
						|
 | 
						|
    s->utsr1 = utsr1;
 | 
						|
}
 | 
						|
 | 
						|
static void strongarm_uart_update_int_status(StrongARMUARTState *s)
 | 
						|
{
 | 
						|
    uint16_t utsr0 = s->utsr0 &
 | 
						|
            (UTSR0_REB | UTSR0_RBB | UTSR0_RID);
 | 
						|
    int i;
 | 
						|
 | 
						|
    if ((s->utcr3 & UTCR3_TXE) &&
 | 
						|
                (s->utcr3 & UTCR3_TIE) &&
 | 
						|
                s->tx_len <= 4) {
 | 
						|
        utsr0 |= UTSR0_TFS;
 | 
						|
    }
 | 
						|
 | 
						|
    if ((s->utcr3 & UTCR3_RXE) &&
 | 
						|
                (s->utcr3 & UTCR3_RIE) &&
 | 
						|
                s->rx_len > 4) {
 | 
						|
        utsr0 |= UTSR0_RFS;
 | 
						|
    }
 | 
						|
 | 
						|
    for (i = 0; i < s->rx_len && i < 4; i++)
 | 
						|
        if (s->rx_fifo[(s->rx_start + i) % 12] & ~0xff) {
 | 
						|
            utsr0 |= UTSR0_EIF;
 | 
						|
            break;
 | 
						|
        }
 | 
						|
 | 
						|
    s->utsr0 = utsr0;
 | 
						|
    qemu_set_irq(s->irq, utsr0);
 | 
						|
}
 | 
						|
 | 
						|
static void strongarm_uart_update_parameters(StrongARMUARTState *s)
 | 
						|
{
 | 
						|
    int speed, parity, data_bits, stop_bits, frame_size;
 | 
						|
    QEMUSerialSetParams ssp;
 | 
						|
 | 
						|
    /* Start bit. */
 | 
						|
    frame_size = 1;
 | 
						|
    if (s->utcr0 & UTCR0_PE) {
 | 
						|
        /* Parity bit. */
 | 
						|
        frame_size++;
 | 
						|
        if (s->utcr0 & UTCR0_OES) {
 | 
						|
            parity = 'E';
 | 
						|
        } else {
 | 
						|
            parity = 'O';
 | 
						|
        }
 | 
						|
    } else {
 | 
						|
            parity = 'N';
 | 
						|
    }
 | 
						|
    if (s->utcr0 & UTCR0_SBS) {
 | 
						|
        stop_bits = 2;
 | 
						|
    } else {
 | 
						|
        stop_bits = 1;
 | 
						|
    }
 | 
						|
 | 
						|
    data_bits = (s->utcr0 & UTCR0_DSS) ? 8 : 7;
 | 
						|
    frame_size += data_bits + stop_bits;
 | 
						|
    speed = 3686400 / 16 / (s->brd + 1);
 | 
						|
    ssp.speed = speed;
 | 
						|
    ssp.parity = parity;
 | 
						|
    ssp.data_bits = data_bits;
 | 
						|
    ssp.stop_bits = stop_bits;
 | 
						|
    s->char_transmit_time =  (get_ticks_per_sec() / speed) * frame_size;
 | 
						|
    if (s->chr) {
 | 
						|
        qemu_chr_fe_ioctl(s->chr, CHR_IOCTL_SERIAL_SET_PARAMS, &ssp);
 | 
						|
    }
 | 
						|
 | 
						|
    DPRINTF(stderr, "%s speed=%d parity=%c data=%d stop=%d\n", s->chr->label,
 | 
						|
            speed, parity, data_bits, stop_bits);
 | 
						|
}
 | 
						|
 | 
						|
static void strongarm_uart_rx_to(void *opaque)
 | 
						|
{
 | 
						|
    StrongARMUARTState *s = opaque;
 | 
						|
 | 
						|
    if (s->rx_len) {
 | 
						|
        s->utsr0 |= UTSR0_RID;
 | 
						|
        strongarm_uart_update_int_status(s);
 | 
						|
    }
 | 
						|
}
 | 
						|
 | 
						|
static void strongarm_uart_rx_push(StrongARMUARTState *s, uint16_t c)
 | 
						|
{
 | 
						|
    if ((s->utcr3 & UTCR3_RXE) == 0) {
 | 
						|
        /* rx disabled */
 | 
						|
        return;
 | 
						|
    }
 | 
						|
 | 
						|
    if (s->wait_break_end) {
 | 
						|
        s->utsr0 |= UTSR0_REB;
 | 
						|
        s->wait_break_end = false;
 | 
						|
    }
 | 
						|
 | 
						|
    if (s->rx_len < 12) {
 | 
						|
        s->rx_fifo[(s->rx_start + s->rx_len) % 12] = c;
 | 
						|
        s->rx_len++;
 | 
						|
    } else
 | 
						|
        s->rx_fifo[(s->rx_start + 11) % 12] |= RX_FIFO_ROR;
 | 
						|
}
 | 
						|
 | 
						|
static int strongarm_uart_can_receive(void *opaque)
 | 
						|
{
 | 
						|
    StrongARMUARTState *s = opaque;
 | 
						|
 | 
						|
    if (s->rx_len == 12) {
 | 
						|
        return 0;
 | 
						|
    }
 | 
						|
    /* It's best not to get more than 2/3 of RX FIFO, so advertise that much */
 | 
						|
    if (s->rx_len < 8) {
 | 
						|
        return 8 - s->rx_len;
 | 
						|
    }
 | 
						|
    return 1;
 | 
						|
}
 | 
						|
 | 
						|
static void strongarm_uart_receive(void *opaque, const uint8_t *buf, int size)
 | 
						|
{
 | 
						|
    StrongARMUARTState *s = opaque;
 | 
						|
    int i;
 | 
						|
 | 
						|
    for (i = 0; i < size; i++) {
 | 
						|
        strongarm_uart_rx_push(s, buf[i]);
 | 
						|
    }
 | 
						|
 | 
						|
    /* call the timeout receive callback in 3 char transmit time */
 | 
						|
    qemu_mod_timer(s->rx_timeout_timer,
 | 
						|
                    qemu_get_clock_ns(vm_clock) + s->char_transmit_time * 3);
 | 
						|
 | 
						|
    strongarm_uart_update_status(s);
 | 
						|
    strongarm_uart_update_int_status(s);
 | 
						|
}
 | 
						|
 | 
						|
static void strongarm_uart_event(void *opaque, int event)
 | 
						|
{
 | 
						|
    StrongARMUARTState *s = opaque;
 | 
						|
    if (event == CHR_EVENT_BREAK) {
 | 
						|
        s->utsr0 |= UTSR0_RBB;
 | 
						|
        strongarm_uart_rx_push(s, RX_FIFO_FRE);
 | 
						|
        s->wait_break_end = true;
 | 
						|
        strongarm_uart_update_status(s);
 | 
						|
        strongarm_uart_update_int_status(s);
 | 
						|
    }
 | 
						|
}
 | 
						|
 | 
						|
static void strongarm_uart_tx(void *opaque)
 | 
						|
{
 | 
						|
    StrongARMUARTState *s = opaque;
 | 
						|
    uint64_t new_xmit_ts = qemu_get_clock_ns(vm_clock);
 | 
						|
 | 
						|
    if (s->utcr3 & UTCR3_LBM) /* loopback */ {
 | 
						|
        strongarm_uart_receive(s, &s->tx_fifo[s->tx_start], 1);
 | 
						|
    } else if (s->chr) {
 | 
						|
        qemu_chr_fe_write(s->chr, &s->tx_fifo[s->tx_start], 1);
 | 
						|
    }
 | 
						|
 | 
						|
    s->tx_start = (s->tx_start + 1) % 8;
 | 
						|
    s->tx_len--;
 | 
						|
    if (s->tx_len) {
 | 
						|
        qemu_mod_timer(s->tx_timer, new_xmit_ts + s->char_transmit_time);
 | 
						|
    }
 | 
						|
    strongarm_uart_update_status(s);
 | 
						|
    strongarm_uart_update_int_status(s);
 | 
						|
}
 | 
						|
 | 
						|
static uint64_t strongarm_uart_read(void *opaque, hwaddr addr,
 | 
						|
                                    unsigned size)
 | 
						|
{
 | 
						|
    StrongARMUARTState *s = opaque;
 | 
						|
    uint16_t ret;
 | 
						|
 | 
						|
    switch (addr) {
 | 
						|
    case UTCR0:
 | 
						|
        return s->utcr0;
 | 
						|
 | 
						|
    case UTCR1:
 | 
						|
        return s->brd >> 8;
 | 
						|
 | 
						|
    case UTCR2:
 | 
						|
        return s->brd & 0xff;
 | 
						|
 | 
						|
    case UTCR3:
 | 
						|
        return s->utcr3;
 | 
						|
 | 
						|
    case UTDR:
 | 
						|
        if (s->rx_len != 0) {
 | 
						|
            ret = s->rx_fifo[s->rx_start];
 | 
						|
            s->rx_start = (s->rx_start + 1) % 12;
 | 
						|
            s->rx_len--;
 | 
						|
            strongarm_uart_update_status(s);
 | 
						|
            strongarm_uart_update_int_status(s);
 | 
						|
            return ret;
 | 
						|
        }
 | 
						|
        return 0;
 | 
						|
 | 
						|
    case UTSR0:
 | 
						|
        return s->utsr0;
 | 
						|
 | 
						|
    case UTSR1:
 | 
						|
        return s->utsr1;
 | 
						|
 | 
						|
    default:
 | 
						|
        printf("%s: Bad register 0x" TARGET_FMT_plx "\n", __func__, addr);
 | 
						|
        return 0;
 | 
						|
    }
 | 
						|
}
 | 
						|
 | 
						|
static void strongarm_uart_write(void *opaque, hwaddr addr,
 | 
						|
                                 uint64_t value, unsigned size)
 | 
						|
{
 | 
						|
    StrongARMUARTState *s = opaque;
 | 
						|
 | 
						|
    switch (addr) {
 | 
						|
    case UTCR0:
 | 
						|
        s->utcr0 = value & 0x7f;
 | 
						|
        strongarm_uart_update_parameters(s);
 | 
						|
        break;
 | 
						|
 | 
						|
    case UTCR1:
 | 
						|
        s->brd = (s->brd & 0xff) | ((value & 0xf) << 8);
 | 
						|
        strongarm_uart_update_parameters(s);
 | 
						|
        break;
 | 
						|
 | 
						|
    case UTCR2:
 | 
						|
        s->brd = (s->brd & 0xf00) | (value & 0xff);
 | 
						|
        strongarm_uart_update_parameters(s);
 | 
						|
        break;
 | 
						|
 | 
						|
    case UTCR3:
 | 
						|
        s->utcr3 = value & 0x3f;
 | 
						|
        if ((s->utcr3 & UTCR3_RXE) == 0) {
 | 
						|
            s->rx_len = 0;
 | 
						|
        }
 | 
						|
        if ((s->utcr3 & UTCR3_TXE) == 0) {
 | 
						|
            s->tx_len = 0;
 | 
						|
        }
 | 
						|
        strongarm_uart_update_status(s);
 | 
						|
        strongarm_uart_update_int_status(s);
 | 
						|
        break;
 | 
						|
 | 
						|
    case UTDR:
 | 
						|
        if ((s->utcr3 & UTCR3_TXE) && s->tx_len != 8) {
 | 
						|
            s->tx_fifo[(s->tx_start + s->tx_len) % 8] = value;
 | 
						|
            s->tx_len++;
 | 
						|
            strongarm_uart_update_status(s);
 | 
						|
            strongarm_uart_update_int_status(s);
 | 
						|
            if (s->tx_len == 1) {
 | 
						|
                strongarm_uart_tx(s);
 | 
						|
            }
 | 
						|
        }
 | 
						|
        break;
 | 
						|
 | 
						|
    case UTSR0:
 | 
						|
        s->utsr0 = s->utsr0 & ~(value &
 | 
						|
                (UTSR0_REB | UTSR0_RBB | UTSR0_RID));
 | 
						|
        strongarm_uart_update_int_status(s);
 | 
						|
        break;
 | 
						|
 | 
						|
    default:
 | 
						|
        printf("%s: Bad register 0x" TARGET_FMT_plx "\n", __func__, addr);
 | 
						|
    }
 | 
						|
}
 | 
						|
 | 
						|
static const MemoryRegionOps strongarm_uart_ops = {
 | 
						|
    .read = strongarm_uart_read,
 | 
						|
    .write = strongarm_uart_write,
 | 
						|
    .endianness = DEVICE_NATIVE_ENDIAN,
 | 
						|
};
 | 
						|
 | 
						|
static int strongarm_uart_init(SysBusDevice *dev)
 | 
						|
{
 | 
						|
    StrongARMUARTState *s = FROM_SYSBUS(StrongARMUARTState, dev);
 | 
						|
 | 
						|
    memory_region_init_io(&s->iomem, &strongarm_uart_ops, s, "uart", 0x10000);
 | 
						|
    sysbus_init_mmio(dev, &s->iomem);
 | 
						|
    sysbus_init_irq(dev, &s->irq);
 | 
						|
 | 
						|
    s->rx_timeout_timer = qemu_new_timer_ns(vm_clock, strongarm_uart_rx_to, s);
 | 
						|
    s->tx_timer = qemu_new_timer_ns(vm_clock, strongarm_uart_tx, s);
 | 
						|
 | 
						|
    if (s->chr) {
 | 
						|
        qemu_chr_add_handlers(s->chr,
 | 
						|
                        strongarm_uart_can_receive,
 | 
						|
                        strongarm_uart_receive,
 | 
						|
                        strongarm_uart_event,
 | 
						|
                        s);
 | 
						|
    }
 | 
						|
 | 
						|
    return 0;
 | 
						|
}
 | 
						|
 | 
						|
static void strongarm_uart_reset(DeviceState *dev)
 | 
						|
{
 | 
						|
    StrongARMUARTState *s = DO_UPCAST(StrongARMUARTState, busdev.qdev, dev);
 | 
						|
 | 
						|
    s->utcr0 = UTCR0_DSS; /* 8 data, no parity */
 | 
						|
    s->brd = 23;    /* 9600 */
 | 
						|
    /* enable send & recv - this actually violates spec */
 | 
						|
    s->utcr3 = UTCR3_TXE | UTCR3_RXE;
 | 
						|
 | 
						|
    s->rx_len = s->tx_len = 0;
 | 
						|
 | 
						|
    strongarm_uart_update_parameters(s);
 | 
						|
    strongarm_uart_update_status(s);
 | 
						|
    strongarm_uart_update_int_status(s);
 | 
						|
}
 | 
						|
 | 
						|
static int strongarm_uart_post_load(void *opaque, int version_id)
 | 
						|
{
 | 
						|
    StrongARMUARTState *s = opaque;
 | 
						|
 | 
						|
    strongarm_uart_update_parameters(s);
 | 
						|
    strongarm_uart_update_status(s);
 | 
						|
    strongarm_uart_update_int_status(s);
 | 
						|
 | 
						|
    /* tx and restart timer */
 | 
						|
    if (s->tx_len) {
 | 
						|
        strongarm_uart_tx(s);
 | 
						|
    }
 | 
						|
 | 
						|
    /* restart rx timeout timer */
 | 
						|
    if (s->rx_len) {
 | 
						|
        qemu_mod_timer(s->rx_timeout_timer,
 | 
						|
                qemu_get_clock_ns(vm_clock) + s->char_transmit_time * 3);
 | 
						|
    }
 | 
						|
 | 
						|
    return 0;
 | 
						|
}
 | 
						|
 | 
						|
static const VMStateDescription vmstate_strongarm_uart_regs = {
 | 
						|
    .name = "strongarm-uart",
 | 
						|
    .version_id = 0,
 | 
						|
    .minimum_version_id = 0,
 | 
						|
    .minimum_version_id_old = 0,
 | 
						|
    .post_load = strongarm_uart_post_load,
 | 
						|
    .fields = (VMStateField[]) {
 | 
						|
        VMSTATE_UINT8(utcr0, StrongARMUARTState),
 | 
						|
        VMSTATE_UINT16(brd, StrongARMUARTState),
 | 
						|
        VMSTATE_UINT8(utcr3, StrongARMUARTState),
 | 
						|
        VMSTATE_UINT8(utsr0, StrongARMUARTState),
 | 
						|
        VMSTATE_UINT8_ARRAY(tx_fifo, StrongARMUARTState, 8),
 | 
						|
        VMSTATE_UINT8(tx_start, StrongARMUARTState),
 | 
						|
        VMSTATE_UINT8(tx_len, StrongARMUARTState),
 | 
						|
        VMSTATE_UINT16_ARRAY(rx_fifo, StrongARMUARTState, 12),
 | 
						|
        VMSTATE_UINT8(rx_start, StrongARMUARTState),
 | 
						|
        VMSTATE_UINT8(rx_len, StrongARMUARTState),
 | 
						|
        VMSTATE_BOOL(wait_break_end, StrongARMUARTState),
 | 
						|
        VMSTATE_END_OF_LIST(),
 | 
						|
    },
 | 
						|
};
 | 
						|
 | 
						|
static Property strongarm_uart_properties[] = {
 | 
						|
    DEFINE_PROP_CHR("chardev", StrongARMUARTState, chr),
 | 
						|
    DEFINE_PROP_END_OF_LIST(),
 | 
						|
};
 | 
						|
 | 
						|
static void strongarm_uart_class_init(ObjectClass *klass, void *data)
 | 
						|
{
 | 
						|
    DeviceClass *dc = DEVICE_CLASS(klass);
 | 
						|
    SysBusDeviceClass *k = SYS_BUS_DEVICE_CLASS(klass);
 | 
						|
 | 
						|
    k->init = strongarm_uart_init;
 | 
						|
    dc->desc = "StrongARM UART controller";
 | 
						|
    dc->reset = strongarm_uart_reset;
 | 
						|
    dc->vmsd = &vmstate_strongarm_uart_regs;
 | 
						|
    dc->props = strongarm_uart_properties;
 | 
						|
}
 | 
						|
 | 
						|
static TypeInfo strongarm_uart_info = {
 | 
						|
    .name          = "strongarm-uart",
 | 
						|
    .parent        = TYPE_SYS_BUS_DEVICE,
 | 
						|
    .instance_size = sizeof(StrongARMUARTState),
 | 
						|
    .class_init    = strongarm_uart_class_init,
 | 
						|
};
 | 
						|
 | 
						|
/* Synchronous Serial Ports */
 | 
						|
typedef struct {
 | 
						|
    SysBusDevice busdev;
 | 
						|
    MemoryRegion iomem;
 | 
						|
    qemu_irq irq;
 | 
						|
    SSIBus *bus;
 | 
						|
 | 
						|
    uint16_t sscr[2];
 | 
						|
    uint16_t sssr;
 | 
						|
 | 
						|
    uint16_t rx_fifo[8];
 | 
						|
    uint8_t rx_level;
 | 
						|
    uint8_t rx_start;
 | 
						|
} StrongARMSSPState;
 | 
						|
 | 
						|
#define SSCR0 0x60 /* SSP Control register 0 */
 | 
						|
#define SSCR1 0x64 /* SSP Control register 1 */
 | 
						|
#define SSDR  0x6c /* SSP Data register */
 | 
						|
#define SSSR  0x74 /* SSP Status register */
 | 
						|
 | 
						|
/* Bitfields for above registers */
 | 
						|
#define SSCR0_SPI(x)    (((x) & 0x30) == 0x00)
 | 
						|
#define SSCR0_SSP(x)    (((x) & 0x30) == 0x10)
 | 
						|
#define SSCR0_UWIRE(x)  (((x) & 0x30) == 0x20)
 | 
						|
#define SSCR0_PSP(x)    (((x) & 0x30) == 0x30)
 | 
						|
#define SSCR0_SSE       (1 << 7)
 | 
						|
#define SSCR0_DSS(x)    (((x) & 0xf) + 1)
 | 
						|
#define SSCR1_RIE       (1 << 0)
 | 
						|
#define SSCR1_TIE       (1 << 1)
 | 
						|
#define SSCR1_LBM       (1 << 2)
 | 
						|
#define SSSR_TNF        (1 << 2)
 | 
						|
#define SSSR_RNE        (1 << 3)
 | 
						|
#define SSSR_TFS        (1 << 5)
 | 
						|
#define SSSR_RFS        (1 << 6)
 | 
						|
#define SSSR_ROR        (1 << 7)
 | 
						|
#define SSSR_RW         0x0080
 | 
						|
 | 
						|
static void strongarm_ssp_int_update(StrongARMSSPState *s)
 | 
						|
{
 | 
						|
    int level = 0;
 | 
						|
 | 
						|
    level |= (s->sssr & SSSR_ROR);
 | 
						|
    level |= (s->sssr & SSSR_RFS)  &&  (s->sscr[1] & SSCR1_RIE);
 | 
						|
    level |= (s->sssr & SSSR_TFS)  &&  (s->sscr[1] & SSCR1_TIE);
 | 
						|
    qemu_set_irq(s->irq, level);
 | 
						|
}
 | 
						|
 | 
						|
static void strongarm_ssp_fifo_update(StrongARMSSPState *s)
 | 
						|
{
 | 
						|
    s->sssr &= ~SSSR_TFS;
 | 
						|
    s->sssr &= ~SSSR_TNF;
 | 
						|
    if (s->sscr[0] & SSCR0_SSE) {
 | 
						|
        if (s->rx_level >= 4) {
 | 
						|
            s->sssr |= SSSR_RFS;
 | 
						|
        } else {
 | 
						|
            s->sssr &= ~SSSR_RFS;
 | 
						|
        }
 | 
						|
        if (s->rx_level) {
 | 
						|
            s->sssr |= SSSR_RNE;
 | 
						|
        } else {
 | 
						|
            s->sssr &= ~SSSR_RNE;
 | 
						|
        }
 | 
						|
        /* TX FIFO is never filled, so it is always in underrun
 | 
						|
           condition if SSP is enabled */
 | 
						|
        s->sssr |= SSSR_TFS;
 | 
						|
        s->sssr |= SSSR_TNF;
 | 
						|
    }
 | 
						|
 | 
						|
    strongarm_ssp_int_update(s);
 | 
						|
}
 | 
						|
 | 
						|
static uint64_t strongarm_ssp_read(void *opaque, hwaddr addr,
 | 
						|
                                   unsigned size)
 | 
						|
{
 | 
						|
    StrongARMSSPState *s = opaque;
 | 
						|
    uint32_t retval;
 | 
						|
 | 
						|
    switch (addr) {
 | 
						|
    case SSCR0:
 | 
						|
        return s->sscr[0];
 | 
						|
    case SSCR1:
 | 
						|
        return s->sscr[1];
 | 
						|
    case SSSR:
 | 
						|
        return s->sssr;
 | 
						|
    case SSDR:
 | 
						|
        if (~s->sscr[0] & SSCR0_SSE) {
 | 
						|
            return 0xffffffff;
 | 
						|
        }
 | 
						|
        if (s->rx_level < 1) {
 | 
						|
            printf("%s: SSP Rx Underrun\n", __func__);
 | 
						|
            return 0xffffffff;
 | 
						|
        }
 | 
						|
        s->rx_level--;
 | 
						|
        retval = s->rx_fifo[s->rx_start++];
 | 
						|
        s->rx_start &= 0x7;
 | 
						|
        strongarm_ssp_fifo_update(s);
 | 
						|
        return retval;
 | 
						|
    default:
 | 
						|
        printf("%s: Bad register 0x" TARGET_FMT_plx "\n", __func__, addr);
 | 
						|
        break;
 | 
						|
    }
 | 
						|
    return 0;
 | 
						|
}
 | 
						|
 | 
						|
static void strongarm_ssp_write(void *opaque, hwaddr addr,
 | 
						|
                                uint64_t value, unsigned size)
 | 
						|
{
 | 
						|
    StrongARMSSPState *s = opaque;
 | 
						|
 | 
						|
    switch (addr) {
 | 
						|
    case SSCR0:
 | 
						|
        s->sscr[0] = value & 0xffbf;
 | 
						|
        if ((s->sscr[0] & SSCR0_SSE) && SSCR0_DSS(value) < 4) {
 | 
						|
            printf("%s: Wrong data size: %i bits\n", __func__,
 | 
						|
                   (int)SSCR0_DSS(value));
 | 
						|
        }
 | 
						|
        if (!(value & SSCR0_SSE)) {
 | 
						|
            s->sssr = 0;
 | 
						|
            s->rx_level = 0;
 | 
						|
        }
 | 
						|
        strongarm_ssp_fifo_update(s);
 | 
						|
        break;
 | 
						|
 | 
						|
    case SSCR1:
 | 
						|
        s->sscr[1] = value & 0x2f;
 | 
						|
        if (value & SSCR1_LBM) {
 | 
						|
            printf("%s: Attempt to use SSP LBM mode\n", __func__);
 | 
						|
        }
 | 
						|
        strongarm_ssp_fifo_update(s);
 | 
						|
        break;
 | 
						|
 | 
						|
    case SSSR:
 | 
						|
        s->sssr &= ~(value & SSSR_RW);
 | 
						|
        strongarm_ssp_int_update(s);
 | 
						|
        break;
 | 
						|
 | 
						|
    case SSDR:
 | 
						|
        if (SSCR0_UWIRE(s->sscr[0])) {
 | 
						|
            value &= 0xff;
 | 
						|
        } else
 | 
						|
            /* Note how 32bits overflow does no harm here */
 | 
						|
            value &= (1 << SSCR0_DSS(s->sscr[0])) - 1;
 | 
						|
 | 
						|
        /* Data goes from here to the Tx FIFO and is shifted out from
 | 
						|
         * there directly to the slave, no need to buffer it.
 | 
						|
         */
 | 
						|
        if (s->sscr[0] & SSCR0_SSE) {
 | 
						|
            uint32_t readval;
 | 
						|
            if (s->sscr[1] & SSCR1_LBM) {
 | 
						|
                readval = value;
 | 
						|
            } else {
 | 
						|
                readval = ssi_transfer(s->bus, value);
 | 
						|
            }
 | 
						|
 | 
						|
            if (s->rx_level < 0x08) {
 | 
						|
                s->rx_fifo[(s->rx_start + s->rx_level++) & 0x7] = readval;
 | 
						|
            } else {
 | 
						|
                s->sssr |= SSSR_ROR;
 | 
						|
            }
 | 
						|
        }
 | 
						|
        strongarm_ssp_fifo_update(s);
 | 
						|
        break;
 | 
						|
 | 
						|
    default:
 | 
						|
        printf("%s: Bad register 0x" TARGET_FMT_plx "\n", __func__, addr);
 | 
						|
        break;
 | 
						|
    }
 | 
						|
}
 | 
						|
 | 
						|
static const MemoryRegionOps strongarm_ssp_ops = {
 | 
						|
    .read = strongarm_ssp_read,
 | 
						|
    .write = strongarm_ssp_write,
 | 
						|
    .endianness = DEVICE_NATIVE_ENDIAN,
 | 
						|
};
 | 
						|
 | 
						|
static int strongarm_ssp_post_load(void *opaque, int version_id)
 | 
						|
{
 | 
						|
    StrongARMSSPState *s = opaque;
 | 
						|
 | 
						|
    strongarm_ssp_fifo_update(s);
 | 
						|
 | 
						|
    return 0;
 | 
						|
}
 | 
						|
 | 
						|
static int strongarm_ssp_init(SysBusDevice *dev)
 | 
						|
{
 | 
						|
    StrongARMSSPState *s = FROM_SYSBUS(StrongARMSSPState, dev);
 | 
						|
 | 
						|
    sysbus_init_irq(dev, &s->irq);
 | 
						|
 | 
						|
    memory_region_init_io(&s->iomem, &strongarm_ssp_ops, s, "ssp", 0x1000);
 | 
						|
    sysbus_init_mmio(dev, &s->iomem);
 | 
						|
 | 
						|
    s->bus = ssi_create_bus(&dev->qdev, "ssi");
 | 
						|
    return 0;
 | 
						|
}
 | 
						|
 | 
						|
static void strongarm_ssp_reset(DeviceState *dev)
 | 
						|
{
 | 
						|
    StrongARMSSPState *s = DO_UPCAST(StrongARMSSPState, busdev.qdev, dev);
 | 
						|
    s->sssr = 0x03; /* 3 bit data, SPI, disabled */
 | 
						|
    s->rx_start = 0;
 | 
						|
    s->rx_level = 0;
 | 
						|
}
 | 
						|
 | 
						|
static const VMStateDescription vmstate_strongarm_ssp_regs = {
 | 
						|
    .name = "strongarm-ssp",
 | 
						|
    .version_id = 0,
 | 
						|
    .minimum_version_id = 0,
 | 
						|
    .minimum_version_id_old = 0,
 | 
						|
    .post_load = strongarm_ssp_post_load,
 | 
						|
    .fields = (VMStateField[]) {
 | 
						|
        VMSTATE_UINT16_ARRAY(sscr, StrongARMSSPState, 2),
 | 
						|
        VMSTATE_UINT16(sssr, StrongARMSSPState),
 | 
						|
        VMSTATE_UINT16_ARRAY(rx_fifo, StrongARMSSPState, 8),
 | 
						|
        VMSTATE_UINT8(rx_start, StrongARMSSPState),
 | 
						|
        VMSTATE_UINT8(rx_level, StrongARMSSPState),
 | 
						|
        VMSTATE_END_OF_LIST(),
 | 
						|
    },
 | 
						|
};
 | 
						|
 | 
						|
static void strongarm_ssp_class_init(ObjectClass *klass, void *data)
 | 
						|
{
 | 
						|
    DeviceClass *dc = DEVICE_CLASS(klass);
 | 
						|
    SysBusDeviceClass *k = SYS_BUS_DEVICE_CLASS(klass);
 | 
						|
 | 
						|
    k->init = strongarm_ssp_init;
 | 
						|
    dc->desc = "StrongARM SSP controller";
 | 
						|
    dc->reset = strongarm_ssp_reset;
 | 
						|
    dc->vmsd = &vmstate_strongarm_ssp_regs;
 | 
						|
}
 | 
						|
 | 
						|
static TypeInfo strongarm_ssp_info = {
 | 
						|
    .name          = "strongarm-ssp",
 | 
						|
    .parent        = TYPE_SYS_BUS_DEVICE,
 | 
						|
    .instance_size = sizeof(StrongARMSSPState),
 | 
						|
    .class_init    = strongarm_ssp_class_init,
 | 
						|
};
 | 
						|
 | 
						|
/* Main CPU functions */
 | 
						|
StrongARMState *sa1110_init(MemoryRegion *sysmem,
 | 
						|
                            unsigned int sdram_size, const char *rev)
 | 
						|
{
 | 
						|
    StrongARMState *s;
 | 
						|
    qemu_irq *pic;
 | 
						|
    int i;
 | 
						|
 | 
						|
    s = g_malloc0(sizeof(StrongARMState));
 | 
						|
 | 
						|
    if (!rev) {
 | 
						|
        rev = "sa1110-b5";
 | 
						|
    }
 | 
						|
 | 
						|
    if (strncmp(rev, "sa1110", 6)) {
 | 
						|
        error_report("Machine requires a SA1110 processor.");
 | 
						|
        exit(1);
 | 
						|
    }
 | 
						|
 | 
						|
    s->cpu = cpu_arm_init(rev);
 | 
						|
 | 
						|
    if (!s->cpu) {
 | 
						|
        error_report("Unable to find CPU definition");
 | 
						|
        exit(1);
 | 
						|
    }
 | 
						|
 | 
						|
    memory_region_init_ram(&s->sdram, "strongarm.sdram", sdram_size);
 | 
						|
    vmstate_register_ram_global(&s->sdram);
 | 
						|
    memory_region_add_subregion(sysmem, SA_SDCS0, &s->sdram);
 | 
						|
 | 
						|
    pic = arm_pic_init_cpu(s->cpu);
 | 
						|
    s->pic = sysbus_create_varargs("strongarm_pic", 0x90050000,
 | 
						|
                    pic[ARM_PIC_CPU_IRQ], pic[ARM_PIC_CPU_FIQ], NULL);
 | 
						|
 | 
						|
    sysbus_create_varargs("pxa25x-timer", 0x90000000,
 | 
						|
                    qdev_get_gpio_in(s->pic, SA_PIC_OSTC0),
 | 
						|
                    qdev_get_gpio_in(s->pic, SA_PIC_OSTC1),
 | 
						|
                    qdev_get_gpio_in(s->pic, SA_PIC_OSTC2),
 | 
						|
                    qdev_get_gpio_in(s->pic, SA_PIC_OSTC3),
 | 
						|
                    NULL);
 | 
						|
 | 
						|
    sysbus_create_simple("strongarm-rtc", 0x90010000,
 | 
						|
                    qdev_get_gpio_in(s->pic, SA_PIC_RTC_ALARM));
 | 
						|
 | 
						|
    s->gpio = strongarm_gpio_init(0x90040000, s->pic);
 | 
						|
 | 
						|
    s->ppc = sysbus_create_varargs("strongarm-ppc", 0x90060000, NULL);
 | 
						|
 | 
						|
    for (i = 0; sa_serial[i].io_base; i++) {
 | 
						|
        DeviceState *dev = qdev_create(NULL, "strongarm-uart");
 | 
						|
        qdev_prop_set_chr(dev, "chardev", serial_hds[i]);
 | 
						|
        qdev_init_nofail(dev);
 | 
						|
        sysbus_mmio_map(sysbus_from_qdev(dev), 0,
 | 
						|
                sa_serial[i].io_base);
 | 
						|
        sysbus_connect_irq(sysbus_from_qdev(dev), 0,
 | 
						|
                qdev_get_gpio_in(s->pic, sa_serial[i].irq));
 | 
						|
    }
 | 
						|
 | 
						|
    s->ssp = sysbus_create_varargs("strongarm-ssp", 0x80070000,
 | 
						|
                qdev_get_gpio_in(s->pic, SA_PIC_SSP), NULL);
 | 
						|
    s->ssp_bus = (SSIBus *)qdev_get_child_bus(s->ssp, "ssi");
 | 
						|
 | 
						|
    return s;
 | 
						|
}
 | 
						|
 | 
						|
static void strongarm_register_types(void)
 | 
						|
{
 | 
						|
    type_register_static(&strongarm_pic_info);
 | 
						|
    type_register_static(&strongarm_rtc_sysbus_info);
 | 
						|
    type_register_static(&strongarm_gpio_info);
 | 
						|
    type_register_static(&strongarm_ppc_info);
 | 
						|
    type_register_static(&strongarm_uart_info);
 | 
						|
    type_register_static(&strongarm_ssp_info);
 | 
						|
}
 | 
						|
 | 
						|
type_init(strongarm_register_types)
 |