[qemu.git] / hw / unin_pci.c

/*
 * QEMU Uninorth PCI host (for all Mac99 and newer machines)
 *
 * Copyright (c) 2006 Fabrice Bellard
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 * THE SOFTWARE.
 */
#include "hw.h"
#include "ppc_mac.h"
#include "pci.h"

/* debug UniNorth */
//#define DEBUG_UNIN

#ifdef DEBUG_UNIN
#define UNIN_DPRINTF(fmt, args...) \
do { printf("UNIN: " fmt , ##args); } while (0)
#else
#define UNIN_DPRINTF(fmt, args...)
#endif

typedef target_phys_addr_t pci_addr_t;
#include "pci_host.h"

typedef PCIHostState UNINState;

static void pci_unin_main_config_writel (void *opaque, target_phys_addr_t addr,
                                         uint32_t val)
{
    UNINState *s = opaque;

    UNIN_DPRINTF("config_writel addr " TARGET_FMT_plx " val %x\n", addr, val);
#ifdef TARGET_WORDS_BIGENDIAN
    val = bswap32(val);
#endif

    s->config_reg = val;
}

static uint32_t pci_unin_main_config_readl (void *opaque,
                                            target_phys_addr_t addr)
{
    UNINState *s = opaque;
    uint32_t val;

    val = s->config_reg;
#ifdef TARGET_WORDS_BIGENDIAN
    val = bswap32(val);
#endif
    UNIN_DPRINTF("config_readl addr " TARGET_FMT_plx " val %x\n", addr, val);

    return val;
}

static CPUWriteMemoryFunc *pci_unin_main_config_write[] = {
    &pci_unin_main_config_writel,
    &pci_unin_main_config_writel,
    &pci_unin_main_config_writel,
};

static CPUReadMemoryFunc *pci_unin_main_config_read[] = {
    &pci_unin_main_config_readl,
    &pci_unin_main_config_readl,
    &pci_unin_main_config_readl,
};

static CPUWriteMemoryFunc *pci_unin_main_write[] = {
    &pci_host_data_writeb,
    &pci_host_data_writew,
    &pci_host_data_writel,
};

static CPUReadMemoryFunc *pci_unin_main_read[] = {
    &pci_host_data_readb,
    &pci_host_data_readw,
    &pci_host_data_readl,
};

static void pci_unin_config_writel (void *opaque, target_phys_addr_t addr,
                                    uint32_t val)
{
    UNINState *s = opaque;

    s->config_reg = val;
}

static uint32_t pci_unin_config_readl (void *opaque,
                                       target_phys_addr_t addr)
{
    UNINState *s = opaque;

    return s->config_reg;
}

static CPUWriteMemoryFunc *pci_unin_config_write[] = {
    &pci_unin_config_writel,
    &pci_unin_config_writel,
    &pci_unin_config_writel,
};

static CPUReadMemoryFunc *pci_unin_config_read[] = {
    &pci_unin_config_readl,
    &pci_unin_config_readl,
    &pci_unin_config_readl,
};

#if 0
static CPUWriteMemoryFunc *pci_unin_write[] = {
    &pci_host_pci_writeb,
    &pci_host_pci_writew,
    &pci_host_pci_writel,
};

static CPUReadMemoryFunc *pci_unin_read[] = {
    &pci_host_pci_readb,
    &pci_host_pci_readw,
    &pci_host_pci_readl,
};
#endif

/* Don't know if this matches real hardware, but it agrees with OHW.  */
static int pci_unin_map_irq(PCIDevice *pci_dev, int irq_num)
{
    return (irq_num + (pci_dev->devfn >> 3)) & 3;
}

static void pci_unin_set_irq(qemu_irq *pic, int irq_num, int level)
{
    qemu_set_irq(pic[irq_num + 8], level);
}

static void pci_unin_save(QEMUFile* f, void *opaque)
{
    PCIDevice *d = opaque;

    pci_device_save(d, f);
}

static int pci_unin_load(QEMUFile* f, void *opaque, int version_id)
{
    PCIDevice *d = opaque;

    if (version_id != 1)
        return -EINVAL;

    return pci_device_load(d, f);
}

static void pci_unin_reset(void *opaque)
{
}

PCIBus *pci_pmac_init(qemu_irq *pic)
{
    UNINState *s;
    PCIDevice *d;
    int pci_mem_config, pci_mem_data;

    /* Use values found on a real PowerMac */
    /* Uninorth main bus */
    s = qemu_mallocz(sizeof(UNINState));
    s->bus = pci_register_bus(pci_unin_set_irq, pci_unin_map_irq,
                              pic, 11 << 3, 4);

    pci_mem_config = cpu_register_io_memory(0, pci_unin_main_config_read,
                                            pci_unin_main_config_write, s);
    pci_mem_data = cpu_register_io_memory(0, pci_unin_main_read,
                                          pci_unin_main_write, s);
    cpu_register_physical_memory(0xf2800000, 0x1000, pci_mem_config);
    cpu_register_physical_memory(0xf2c00000, 0x1000, pci_mem_data);
    d = pci_register_device(s->bus, "Uni-north main", sizeof(PCIDevice),
                            11 << 3, NULL, NULL);
    pci_config_set_vendor_id(d->config, PCI_VENDOR_ID_APPLE);
    pci_config_set_device_id(d->config, PCI_DEVICE_ID_APPLE_UNI_N_PCI);
    d->config[0x08] = 0x00; // revision
    pci_config_set_class(d->config, PCI_CLASS_BRIDGE_HOST);
    d->config[0x0C] = 0x08; // cache_line_size
    d->config[0x0D] = 0x10; // latency_timer
    d->config[0x0E] = 0x00; // header_type
    d->config[0x34] = 0x00; // capabilities_pointer

#if 0 // XXX: not activated as PPC BIOS doesn't handle multiple buses properly
    /* pci-to-pci bridge */
    d = pci_register_device("Uni-north bridge", sizeof(PCIDevice), 0, 13 << 3,
                            NULL, NULL);
    pci_config_set_vendor_id(d->config, PCI_VENDOR_ID_DEC);
    pci_config_set_device_id(d->config, PCI_DEVICE_ID_DEC_21154);
    d->config[0x08] = 0x05; // revision
    pci_config_set_class(d->config, PCI_CLASS_BRIDGE_PCI);
    d->config[0x0C] = 0x08; // cache_line_size
    d->config[0x0D] = 0x20; // latency_timer
    d->config[0x0E] = 0x01; // header_type

    d->config[0x18] = 0x01; // primary_bus
    d->config[0x19] = 0x02; // secondary_bus
    d->config[0x1A] = 0x02; // subordinate_bus
    d->config[0x1B] = 0x20; // secondary_latency_timer
    d->config[0x1C] = 0x11; // io_base
    d->config[0x1D] = 0x01; // io_limit
    d->config[0x20] = 0x00; // memory_base
    d->config[0x21] = 0x80;
    d->config[0x22] = 0x00; // memory_limit
    d->config[0x23] = 0x80;
    d->config[0x24] = 0x01; // prefetchable_memory_base
    d->config[0x25] = 0x80;
    d->config[0x26] = 0xF1; // prefectchable_memory_limit
    d->config[0x27] = 0x7F;
    // d->config[0x34] = 0xdc // capabilities_pointer
#endif

    /* Uninorth AGP bus */
    pci_mem_config = cpu_register_io_memory(0, pci_unin_config_read,
                                            pci_unin_config_write, s);
    pci_mem_data = cpu_register_io_memory(0, pci_unin_main_read,
                                          pci_unin_main_write, s);
    cpu_register_physical_memory(0xf0800000, 0x1000, pci_mem_config);
    cpu_register_physical_memory(0xf0c00000, 0x1000, pci_mem_data);

    d = pci_register_device(s->bus, "Uni-north AGP", sizeof(PCIDevice),
                            11 << 3, NULL, NULL);
    pci_config_set_vendor_id(d->config, PCI_VENDOR_ID_APPLE);
    pci_config_set_device_id(d->config, PCI_DEVICE_ID_APPLE_UNI_N_AGP);
    d->config[0x08] = 0x00; // revision
    pci_config_set_class(d->config, PCI_CLASS_BRIDGE_HOST);
    d->config[0x0C] = 0x08; // cache_line_size
    d->config[0x0D] = 0x10; // latency_timer
    d->config[0x0E] = 0x00; // header_type
    //    d->config[0x34] = 0x80; // capabilities_pointer

#if 0 // XXX: not needed for now
    /* Uninorth internal bus */
    s = &pci_bridge[2];
    pci_mem_config = cpu_register_io_memory(0, pci_unin_config_read,
                                            pci_unin_config_write, s);
    pci_mem_data = cpu_register_io_memory(0, pci_unin_read,
                                          pci_unin_write, s);
    cpu_register_physical_memory(0xf4800000, 0x1000, pci_mem_config);
    cpu_register_physical_memory(0xf4c00000, 0x1000, pci_mem_data);

    d = pci_register_device("Uni-north internal", sizeof(PCIDevice),
                            3, 11 << 3, NULL, NULL);
    pci_config_set_vendor_id(d->config, PCI_VENDOR_ID_APPLE);
    pci_config_set_device_id(d->config, PCI_DEVICE_ID_APPLE_UNI_N_I_PCI);
    d->config[0x08] = 0x00; // revision
    pci_config_set_class(d->config, PCI_CLASS_BRIDGE_HOST);
    d->config[0x0C] = 0x08; // cache_line_size
    d->config[0x0D] = 0x10; // latency_timer
    d->config[0x0E] = 0x00; // header_type
    d->config[0x34] = 0x00; // capabilities_pointer
#endif
    register_savevm("uninorth", 0, 1, pci_unin_save, pci_unin_load, d);
    qemu_register_reset(pci_unin_reset, d);
    pci_unin_reset(d);

    return s->bus;
}
Commit	Line	Data
502a5395 PB	1	/*
	2	* QEMU Uninorth PCI host (for all Mac99 and newer machines)
	3	*
	4	* Copyright (c) 2006 Fabrice Bellard
5fafdf24	5	*
502a5395 PB	6	* Permission is hereby granted, free of charge, to any person obtaining a copy
	7	* of this software and associated documentation files (the "Software"), to deal
	8	* in the Software without restriction, including without limitation the rights
	9	* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
	10	* copies of the Software, and to permit persons to whom the Software is
	11	* furnished to do so, subject to the following conditions:
	12	*
	13	* The above copyright notice and this permission notice shall be included in
	14	* all copies or substantial portions of the Software.
	15	*
	16	* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
	17	* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
	18	* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
	19	* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
	20	* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
	21	* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
	22	* THE SOFTWARE.
	23	*/
87ecb68b PB	24	#include "hw.h"
	25	#include "ppc_mac.h"
	26	#include "pci.h"
	27
f3902383 BS	28	/* debug UniNorth */
	29	//#define DEBUG_UNIN
	30
	31	#ifdef DEBUG_UNIN
	32	#define UNIN_DPRINTF(fmt, args...) \
	33	do { printf("UNIN: " fmt , ##args); } while (0)
	34	#else
	35	#define UNIN_DPRINTF(fmt, args...)
	36	#endif
	37
502a5395 PB	38	typedef target_phys_addr_t pci_addr_t;
	39	#include "pci_host.h"
	40
	41	typedef PCIHostState UNINState;
	42
	43	static void pci_unin_main_config_writel (void *opaque, target_phys_addr_t addr,
	44	uint32_t val)
	45	{
	46	UNINState *s = opaque;
502a5395	47
f3902383	48	UNIN_DPRINTF("config_writel addr " TARGET_FMT_plx " val %x\n", addr, val);
502a5395 PB	49	#ifdef TARGET_WORDS_BIGENDIAN
	50	val = bswap32(val);
	51	#endif
	52
e972b3ad	53	s->config_reg = val;
502a5395 PB	54	}
	55
	56	static uint32_t pci_unin_main_config_readl (void *opaque,
	57	target_phys_addr_t addr)
	58	{
	59	UNINState *s = opaque;
	60	uint32_t val;
502a5395	61
e972b3ad	62	val = s->config_reg;
502a5395 PB	63	#ifdef TARGET_WORDS_BIGENDIAN
	64	val = bswap32(val);
	65	#endif
f3902383	66	UNIN_DPRINTF("config_readl addr " TARGET_FMT_plx " val %x\n", addr, val);
502a5395 PB	67
	68	return val;
	69	}
	70
	71	static CPUWriteMemoryFunc *pci_unin_main_config_write[] = {
	72	&pci_unin_main_config_writel,
	73	&pci_unin_main_config_writel,
	74	&pci_unin_main_config_writel,
	75	};
	76
	77	static CPUReadMemoryFunc *pci_unin_main_config_read[] = {
	78	&pci_unin_main_config_readl,
	79	&pci_unin_main_config_readl,
	80	&pci_unin_main_config_readl,
	81	};
	82
	83	static CPUWriteMemoryFunc *pci_unin_main_write[] = {
	84	&pci_host_data_writeb,
	85	&pci_host_data_writew,
	86	&pci_host_data_writel,
	87	};
	88
	89	static CPUReadMemoryFunc *pci_unin_main_read[] = {
	90	&pci_host_data_readb,
	91	&pci_host_data_readw,
	92	&pci_host_data_readl,
	93	};
	94
502a5395 PB	95	static void pci_unin_config_writel (void *opaque, target_phys_addr_t addr,
	96	uint32_t val)
	97	{
	98	UNINState *s = opaque;
	99
783a20dc	100	s->config_reg = val;
502a5395 PB	101	}
	102
	103	static uint32_t pci_unin_config_readl (void *opaque,
	104	target_phys_addr_t addr)
	105	{
	106	UNINState *s = opaque;
502a5395	107
783a20dc	108	return s->config_reg;
502a5395 PB	109	}
	110
	111	static CPUWriteMemoryFunc *pci_unin_config_write[] = {
	112	&pci_unin_config_writel,
	113	&pci_unin_config_writel,
	114	&pci_unin_config_writel,
	115	};
	116
	117	static CPUReadMemoryFunc *pci_unin_config_read[] = {
	118	&pci_unin_config_readl,
	119	&pci_unin_config_readl,
	120	&pci_unin_config_readl,
	121	};
	122
783a20dc	123	#if 0
502a5395 PB	124	static CPUWriteMemoryFunc *pci_unin_write[] = {
	125	&pci_host_pci_writeb,
	126	&pci_host_pci_writew,
	127	&pci_host_pci_writel,
	128	};
	129
	130	static CPUReadMemoryFunc *pci_unin_read[] = {
	131	&pci_host_pci_readb,
	132	&pci_host_pci_readw,
	133	&pci_host_pci_readl,
	134	};
	135	#endif
	136
d2b59317 PB	137	/* Don't know if this matches real hardware, but it agrees with OHW. */
d2b59317 PB	138	static int pci_unin_map_irq(PCIDevice *pci_dev, int irq_num)
502a5395	139	{
d2b59317 PB	140	return (irq_num + (pci_dev->devfn >> 3)) & 3;
	141	}
	142
d537cf6c	143	static void pci_unin_set_irq(qemu_irq *pic, int irq_num, int level)
d2b59317	144	{
d537cf6c	145	qemu_set_irq(pic[irq_num + 8], level);
502a5395 PB	146	}
502a5395 PB	147
f3902383 BS	148	static void pci_unin_save(QEMUFile* f, void *opaque)
	149	{
	150	PCIDevice *d = opaque;
	151
	152	pci_device_save(d, f);
	153	}
	154
	155	static int pci_unin_load(QEMUFile* f, void *opaque, int version_id)
	156	{
	157	PCIDevice *d = opaque;
	158
	159	if (version_id != 1)
	160	return -EINVAL;
	161
	162	return pci_device_load(d, f);
	163	}
	164
	165	static void pci_unin_reset(void *opaque)
	166	{
	167	}
	168
d537cf6c	169	PCIBus pci_pmac_init(qemu_irq pic)
502a5395 PB	170	{
	171	UNINState *s;
	172	PCIDevice *d;
	173	int pci_mem_config, pci_mem_data;
	174
	175	/* Use values found on a real PowerMac */
	176	/* Uninorth main bus */
	177	s = qemu_mallocz(sizeof(UNINState));
d2b59317	178	s->bus = pci_register_bus(pci_unin_set_irq, pci_unin_map_irq,
80b3ada7	179	pic, 11 << 3, 4);
502a5395	180
5fafdf24	181	pci_mem_config = cpu_register_io_memory(0, pci_unin_main_config_read,
502a5395 PB	182	pci_unin_main_config_write, s);
	183	pci_mem_data = cpu_register_io_memory(0, pci_unin_main_read,
	184	pci_unin_main_write, s);
	185	cpu_register_physical_memory(0xf2800000, 0x1000, pci_mem_config);
	186	cpu_register_physical_memory(0xf2c00000, 0x1000, pci_mem_data);
5fafdf24	187	d = pci_register_device(s->bus, "Uni-north main", sizeof(PCIDevice),
502a5395	188	11 << 3, NULL, NULL);
deb54399	189	pci_config_set_vendor_id(d->config, PCI_VENDOR_ID_APPLE);
4ebcf884	190	pci_config_set_device_id(d->config, PCI_DEVICE_ID_APPLE_UNI_N_PCI);
502a5395	191	d->config[0x08] = 0x00; // revision
173a543b	192	pci_config_set_class(d->config, PCI_CLASS_BRIDGE_HOST);
502a5395 PB	193	d->config[0x0C] = 0x08; // cache_line_size
	194	d->config[0x0D] = 0x10; // latency_timer
	195	d->config[0x0E] = 0x00; // header_type
	196	d->config[0x34] = 0x00; // capabilities_pointer
	197
9f083493	198	#if 0 // XXX: not activated as PPC BIOS doesn't handle multiple buses properly
502a5395 PB	199	/* pci-to-pci bridge */
	200	d = pci_register_device("Uni-north bridge", sizeof(PCIDevice), 0, 13 << 3,
	201	NULL, NULL);
4ebcf884 BS	202	pci_config_set_vendor_id(d->config, PCI_VENDOR_ID_DEC);
4ebcf884 BS	203	pci_config_set_device_id(d->config, PCI_DEVICE_ID_DEC_21154);
502a5395	204	d->config[0x08] = 0x05; // revision
173a543b	205	pci_config_set_class(d->config, PCI_CLASS_BRIDGE_PCI);
502a5395 PB	206	d->config[0x0C] = 0x08; // cache_line_size
	207	d->config[0x0D] = 0x20; // latency_timer
	208	d->config[0x0E] = 0x01; // header_type
	209
	210	d->config[0x18] = 0x01; // primary_bus
	211	d->config[0x19] = 0x02; // secondary_bus
	212	d->config[0x1A] = 0x02; // subordinate_bus
	213	d->config[0x1B] = 0x20; // secondary_latency_timer
	214	d->config[0x1C] = 0x11; // io_base
	215	d->config[0x1D] = 0x01; // io_limit
	216	d->config[0x20] = 0x00; // memory_base
	217	d->config[0x21] = 0x80;
	218	d->config[0x22] = 0x00; // memory_limit
	219	d->config[0x23] = 0x80;
	220	d->config[0x24] = 0x01; // prefetchable_memory_base
	221	d->config[0x25] = 0x80;
	222	d->config[0x26] = 0xF1; // prefectchable_memory_limit
	223	d->config[0x27] = 0x7F;
	224	// d->config[0x34] = 0xdc // capabilities_pointer
	225	#endif
783a20dc	226
502a5395	227	/* Uninorth AGP bus */
5fafdf24	228	pci_mem_config = cpu_register_io_memory(0, pci_unin_config_read,
502a5395	229	pci_unin_config_write, s);
783a20dc BS	230	pci_mem_data = cpu_register_io_memory(0, pci_unin_main_read,
783a20dc BS	231	pci_unin_main_write, s);
502a5395 PB	232	cpu_register_physical_memory(0xf0800000, 0x1000, pci_mem_config);
	233	cpu_register_physical_memory(0xf0c00000, 0x1000, pci_mem_data);
	234
783a20dc BS	235	d = pci_register_device(s->bus, "Uni-north AGP", sizeof(PCIDevice),
783a20dc BS	236	11 << 3, NULL, NULL);
deb54399 AL	237	pci_config_set_vendor_id(d->config, PCI_VENDOR_ID_APPLE);
deb54399 AL	238	pci_config_set_device_id(d->config, PCI_DEVICE_ID_APPLE_UNI_N_AGP);
502a5395	239	d->config[0x08] = 0x00; // revision
173a543b	240	pci_config_set_class(d->config, PCI_CLASS_BRIDGE_HOST);
502a5395 PB	241	d->config[0x0C] = 0x08; // cache_line_size
	242	d->config[0x0D] = 0x10; // latency_timer
	243	d->config[0x0E] = 0x00; // header_type
	244	// d->config[0x34] = 0x80; // capabilities_pointer
502a5395 PB	245
	246	#if 0 // XXX: not needed for now
	247	/* Uninorth internal bus */
	248	s = &pci_bridge[2];
5fafdf24	249	pci_mem_config = cpu_register_io_memory(0, pci_unin_config_read,
502a5395 PB	250	pci_unin_config_write, s);
	251	pci_mem_data = cpu_register_io_memory(0, pci_unin_read,
	252	pci_unin_write, s);
	253	cpu_register_physical_memory(0xf4800000, 0x1000, pci_mem_config);
	254	cpu_register_physical_memory(0xf4c00000, 0x1000, pci_mem_data);
	255
	256	d = pci_register_device("Uni-north internal", sizeof(PCIDevice),
	257	3, 11 << 3, NULL, NULL);
deb54399	258	pci_config_set_vendor_id(d->config, PCI_VENDOR_ID_APPLE);
4ebcf884	259	pci_config_set_device_id(d->config, PCI_DEVICE_ID_APPLE_UNI_N_I_PCI);
502a5395	260	d->config[0x08] = 0x00; // revision
173a543b	261	pci_config_set_class(d->config, PCI_CLASS_BRIDGE_HOST);
502a5395 PB	262	d->config[0x0C] = 0x08; // cache_line_size
	263	d->config[0x0D] = 0x10; // latency_timer
	264	d->config[0x0E] = 0x00; // header_type
	265	d->config[0x34] = 0x00; // capabilities_pointer
	266	#endif
f3902383 BS	267	register_savevm("uninorth", 0, 1, pci_unin_save, pci_unin_load, d);
	268	qemu_register_reset(pci_unin_reset, d);
	269	pci_unin_reset(d);
	270
502a5395 PB	271	return s->bus;
502a5395 PB	272	}