[qemu.git] / hw / versatilepb.c

/*
 * ARM Versatile Platform/Application Baseboard System emulation.
 *
 * Copyright (c) 2005-2007 CodeSourcery.
 * Written by Paul Brook
 *
 * This code is licenced under the GPL.
 */

#include "sysbus.h"
#include "arm-misc.h"
#include "primecell.h"
#include "devices.h"
#include "net.h"
#include "sysemu.h"
#include "pci.h"
#include "boards.h"

/* Primary interrupt controller.  */

typedef struct vpb_sic_state
{
  uint32_t level;
  uint32_t mask;
  uint32_t pic_enable;
  qemu_irq *parent;
  int irq;
} vpb_sic_state;

static void vpb_sic_update(vpb_sic_state *s)
{
    uint32_t flags;

    flags = s->level & s->mask;
    qemu_set_irq(s->parent[s->irq], flags != 0);
}

static void vpb_sic_update_pic(vpb_sic_state *s)
{
    int i;
    uint32_t mask;

    for (i = 21; i <= 30; i++) {
        mask = 1u << i;
        if (!(s->pic_enable & mask))
            continue;
        qemu_set_irq(s->parent[i], (s->level & mask) != 0);
    }
}

static void vpb_sic_set_irq(void *opaque, int irq, int level)
{
    vpb_sic_state *s = (vpb_sic_state *)opaque;
    if (level)
        s->level |= 1u << irq;
    else
        s->level &= ~(1u << irq);
    if (s->pic_enable & (1u << irq))
        qemu_set_irq(s->parent[irq], level);
    vpb_sic_update(s);
}

static uint32_t vpb_sic_read(void *opaque, target_phys_addr_t offset)
{
    vpb_sic_state *s = (vpb_sic_state *)opaque;

    switch (offset >> 2) {
    case 0: /* STATUS */
        return s->level & s->mask;
    case 1: /* RAWSTAT */
        return s->level;
    case 2: /* ENABLE */
        return s->mask;
    case 4: /* SOFTINT */
        return s->level & 1;
    case 8: /* PICENABLE */
        return s->pic_enable;
    default:
        printf ("vpb_sic_read: Bad register offset 0x%x\n", (int)offset);
        return 0;
    }
}

static void vpb_sic_write(void *opaque, target_phys_addr_t offset,
                          uint32_t value)
{
    vpb_sic_state *s = (vpb_sic_state *)opaque;

    switch (offset >> 2) {
    case 2: /* ENSET */
        s->mask |= value;
        break;
    case 3: /* ENCLR */
        s->mask &= ~value;
        break;
    case 4: /* SOFTINTSET */
        if (value)
            s->mask |= 1;
        break;
    case 5: /* SOFTINTCLR */
        if (value)
            s->mask &= ~1u;
        break;
    case 8: /* PICENSET */
        s->pic_enable |= (value & 0x7fe00000);
        vpb_sic_update_pic(s);
        break;
    case 9: /* PICENCLR */
        s->pic_enable &= ~value;
        vpb_sic_update_pic(s);
        break;
    default:
        printf ("vpb_sic_write: Bad register offset 0x%x\n", (int)offset);
        return;
    }
    vpb_sic_update(s);
}

static CPUReadMemoryFunc *vpb_sic_readfn[] = {
   vpb_sic_read,
   vpb_sic_read,
   vpb_sic_read
};

static CPUWriteMemoryFunc *vpb_sic_writefn[] = {
   vpb_sic_write,
   vpb_sic_write,
   vpb_sic_write
};

static qemu_irq *vpb_sic_init(uint32_t base, qemu_irq *parent, int irq)
{
    vpb_sic_state *s;
    qemu_irq *qi;
    int iomemtype;

    s = (vpb_sic_state *)qemu_mallocz(sizeof(vpb_sic_state));
    qi = qemu_allocate_irqs(vpb_sic_set_irq, s, 32);
    s->parent = parent;
    s->irq = irq;
    iomemtype = cpu_register_io_memory(0, vpb_sic_readfn,
                                       vpb_sic_writefn, s);
    cpu_register_physical_memory(base, 0x00001000, iomemtype);
    /* ??? Save/restore.  */
    return qi;
}

/* Board init.  */

/* The AB and PB boards both use the same core, just with different
   peripherans and expansion busses.  For now we emulate a subset of the
   PB peripherals and just change the board ID.  */

static struct arm_boot_info versatile_binfo;

static void versatile_init(ram_addr_t ram_size,
                     const char *boot_device,
                     const char *kernel_filename, const char *kernel_cmdline,
                     const char *initrd_filename, const char *cpu_model,
                     int board_id)
{
    CPUState *env;
    ram_addr_t ram_offset;
    qemu_irq *pic;
    qemu_irq *sic;
    PCIBus *pci_bus;
    NICInfo *nd;
    int n;
    int done_smc = 0;

    if (!cpu_model)
        cpu_model = "arm926";
    env = cpu_init(cpu_model);
    if (!env) {
        fprintf(stderr, "Unable to find CPU definition\n");
        exit(1);
    }
    ram_offset = qemu_ram_alloc(ram_size);
    /* ??? RAM should repeat to fill physical memory space.  */
    /* SDRAM at address zero.  */
    cpu_register_physical_memory(0, ram_size, ram_offset | IO_MEM_RAM);

    arm_sysctl_init(0x10000000, 0x41007004);
    pic = arm_pic_init_cpu(env);
    pic = pl190_init(0x10140000, pic[0], pic[1]);
    sic = vpb_sic_init(0x10003000, pic, 31);

    sysbus_create_simple("pl050_keyboard", 0x10006000, sic[3]);
    sysbus_create_simple("pl050_mouse", 0x10007000, sic[4]);

    pci_bus = pci_vpb_init(sic, 27, 0);
    /* The Versatile PCI bridge does not provide access to PCI IO space,
       so many of the qemu PCI devices are not useable.  */
    for(n = 0; n < nb_nics; n++) {
        nd = &nd_table[n];

        if ((!nd->model && !done_smc) || strcmp(nd->model, "smc91c111") == 0) {
            smc91c111_init(nd, 0x10010000, sic[25]);
            done_smc = 1;
        } else {
            pci_nic_init(pci_bus, nd, -1, "rtl8139");
        }
    }
    if (usb_enabled) {
        usb_ohci_init_pci(pci_bus, 3, -1);
    }
    n = drive_get_max_bus(IF_SCSI);
    while (n >= 0) {
        pci_create_simple(pci_bus, -1, "lsi53c895a");
        n--;
    }

    sysbus_create_simple("pl011", 0x101f1000, pic[12]);
    sysbus_create_simple("pl011", 0x101f2000, pic[13]);
    sysbus_create_simple("pl011", 0x101f3000, pic[14]);
    sysbus_create_simple("pl011", 0x10009000, sic[6]);

    pl080_init(0x10130000, pic[17], 8);
    sp804_init(0x101e2000, pic[4]);
    sp804_init(0x101e3000, pic[5]);

    /* The versatile/PB actually has a modified Color LCD controller
       that includes hardware cursor support from the PL111.  */
    sysbus_create_simple("pl110_versatile", 0x10120000, pic[16]);

    sysbus_create_varargs("pl181", 0x10005000, sic[22], sic[1], NULL);
    sysbus_create_varargs("pl181", 0x1000b000, sic[23], sic[2], NULL);

    /* Add PL031 Real Time Clock. */
    sysbus_create_simple("pl031", 0x101e8000, pic[10]);

    /* Memory map for Versatile/PB:  */
    /* 0x10000000 System registers.  */
    /* 0x10001000 PCI controller config registers.  */
    /* 0x10002000 Serial bus interface.  */
    /*  0x10003000 Secondary interrupt controller.  */
    /* 0x10004000 AACI (audio).  */
    /*  0x10005000 MMCI0.  */
    /*  0x10006000 KMI0 (keyboard).  */
    /*  0x10007000 KMI1 (mouse).  */
    /* 0x10008000 Character LCD Interface.  */
    /*  0x10009000 UART3.  */
    /* 0x1000a000 Smart card 1.  */
    /*  0x1000b000 MMCI1.  */
    /*  0x10010000 Ethernet.  */
    /* 0x10020000 USB.  */
    /* 0x10100000 SSMC.  */
    /* 0x10110000 MPMC.  */
    /*  0x10120000 CLCD Controller.  */
    /*  0x10130000 DMA Controller.  */
    /*  0x10140000 Vectored interrupt controller.  */
    /* 0x101d0000 AHB Monitor Interface.  */
    /* 0x101e0000 System Controller.  */
    /* 0x101e1000 Watchdog Interface.  */
    /* 0x101e2000 Timer 0/1.  */
    /* 0x101e3000 Timer 2/3.  */
    /* 0x101e4000 GPIO port 0.  */
    /* 0x101e5000 GPIO port 1.  */
    /* 0x101e6000 GPIO port 2.  */
    /* 0x101e7000 GPIO port 3.  */
    /* 0x101e8000 RTC.  */
    /* 0x101f0000 Smart card 0.  */
    /*  0x101f1000 UART0.  */
    /*  0x101f2000 UART1.  */
    /*  0x101f3000 UART2.  */
    /* 0x101f4000 SSPI.  */

    versatile_binfo.ram_size = ram_size;
    versatile_binfo.kernel_filename = kernel_filename;
    versatile_binfo.kernel_cmdline = kernel_cmdline;
    versatile_binfo.initrd_filename = initrd_filename;
    versatile_binfo.board_id = board_id;
    arm_load_kernel(env, &versatile_binfo);
}

static void vpb_init(ram_addr_t ram_size,
                     const char *boot_device,
                     const char *kernel_filename, const char *kernel_cmdline,
                     const char *initrd_filename, const char *cpu_model)
{
    versatile_init(ram_size,
                   boot_device,
                   kernel_filename, kernel_cmdline,
                   initrd_filename, cpu_model, 0x183);
}

static void vab_init(ram_addr_t ram_size,
                     const char *boot_device,
                     const char *kernel_filename, const char *kernel_cmdline,
                     const char *initrd_filename, const char *cpu_model)
{
    versatile_init(ram_size,
                   boot_device,
                   kernel_filename, kernel_cmdline,
                   initrd_filename, cpu_model, 0x25e);
}

QEMUMachine versatilepb_machine = {
    .name = "versatilepb",
    .desc = "ARM Versatile/PB (ARM926EJ-S)",
    .init = vpb_init,
    .use_scsi = 1,
};

QEMUMachine versatileab_machine = {
    .name = "versatileab",
    .desc = "ARM Versatile/AB (ARM926EJ-S)",
    .init = vab_init,
    .use_scsi = 1,
};
Commit	Line	Data
5fafdf24	1	/*
16406950	2	* ARM Versatile Platform/Application Baseboard System emulation.
cdbdb648	3	*
a1bb27b1	4	* Copyright (c) 2005-2007 CodeSourcery.
cdbdb648 PB	5	* Written by Paul Brook
	6	*
	7	* This code is licenced under the GPL.
	8	*/
	9
2e9bdce5	10	#include "sysbus.h"
87ecb68b PB	11	#include "arm-misc.h"
	12	#include "primecell.h"
	13	#include "devices.h"
	14	#include "net.h"
	15	#include "sysemu.h"
	16	#include "pci.h"
	17	#include "boards.h"
cdbdb648	18
cdbdb648 PB	19	/* Primary interrupt controller. */
	20
	21	typedef struct vpb_sic_state
	22	{
cdbdb648 PB	23	uint32_t level;
	24	uint32_t mask;
	25	uint32_t pic_enable;
d537cf6c	26	qemu_irq *parent;
cdbdb648 PB	27	int irq;
	28	} vpb_sic_state;
	29
	30	static void vpb_sic_update(vpb_sic_state *s)
	31	{
	32	uint32_t flags;
	33
	34	flags = s->level & s->mask;
d537cf6c	35	qemu_set_irq(s->parent[s->irq], flags != 0);
cdbdb648 PB	36	}
	37
	38	static void vpb_sic_update_pic(vpb_sic_state *s)
	39	{
	40	int i;
	41	uint32_t mask;
	42
	43	for (i = 21; i <= 30; i++) {
	44	mask = 1u << i;
	45	if (!(s->pic_enable & mask))
	46	continue;
d537cf6c	47	qemu_set_irq(s->parent[i], (s->level & mask) != 0);
cdbdb648 PB	48	}
	49	}
	50
	51	static void vpb_sic_set_irq(void *opaque, int irq, int level)
	52	{
	53	vpb_sic_state s = (vpb_sic_state )opaque;
	54	if (level)
	55	s->level \|= 1u << irq;
	56	else
	57	s->level &= ~(1u << irq);
	58	if (s->pic_enable & (1u << irq))
d537cf6c	59	qemu_set_irq(s->parent[irq], level);
cdbdb648 PB	60	vpb_sic_update(s);
	61	}
	62
	63	static uint32_t vpb_sic_read(void *opaque, target_phys_addr_t offset)
	64	{
	65	vpb_sic_state s = (vpb_sic_state )opaque;
	66
cdbdb648 PB	67	switch (offset >> 2) {
	68	case 0: /* STATUS */
	69	return s->level & s->mask;
	70	case 1: /* RAWSTAT */
	71	return s->level;
	72	case 2: /* ENABLE */
	73	return s->mask;
	74	case 4: /* SOFTINT */
	75	return s->level & 1;
	76	case 8: /* PICENABLE */
	77	return s->pic_enable;
	78	default:
e69954b9	79	printf ("vpb_sic_read: Bad register offset 0x%x\n", (int)offset);
cdbdb648 PB	80	return 0;
	81	}
	82	}
	83
	84	static void vpb_sic_write(void *opaque, target_phys_addr_t offset,
	85	uint32_t value)
	86	{
	87	vpb_sic_state s = (vpb_sic_state )opaque;
cdbdb648 PB	88
	89	switch (offset >> 2) {
	90	case 2: /* ENSET */
	91	s->mask \|= value;
	92	break;
	93	case 3: /* ENCLR */
	94	s->mask &= ~value;
	95	break;
	96	case 4: /* SOFTINTSET */
	97	if (value)
	98	s->mask \|= 1;
	99	break;
	100	case 5: /* SOFTINTCLR */
	101	if (value)
	102	s->mask &= ~1u;
	103	break;
	104	case 8: /* PICENSET */
	105	s->pic_enable \|= (value & 0x7fe00000);
	106	vpb_sic_update_pic(s);
	107	break;
	108	case 9: /* PICENCLR */
	109	s->pic_enable &= ~value;
	110	vpb_sic_update_pic(s);
	111	break;
	112	default:
e69954b9	113	printf ("vpb_sic_write: Bad register offset 0x%x\n", (int)offset);
cdbdb648 PB	114	return;
	115	}
	116	vpb_sic_update(s);
	117	}
	118
	119	static CPUReadMemoryFunc *vpb_sic_readfn[] = {
	120	vpb_sic_read,
	121	vpb_sic_read,
	122	vpb_sic_read
	123	};
	124
	125	static CPUWriteMemoryFunc *vpb_sic_writefn[] = {
	126	vpb_sic_write,
	127	vpb_sic_write,
	128	vpb_sic_write
	129	};
	130
d537cf6c	131	static qemu_irq vpb_sic_init(uint32_t base, qemu_irq parent, int irq)
cdbdb648 PB	132	{
cdbdb648 PB	133	vpb_sic_state *s;
d537cf6c	134	qemu_irq *qi;
cdbdb648 PB	135	int iomemtype;
	136
	137	s = (vpb_sic_state *)qemu_mallocz(sizeof(vpb_sic_state));
d537cf6c	138	qi = qemu_allocate_irqs(vpb_sic_set_irq, s, 32);
cdbdb648 PB	139	s->parent = parent;
	140	s->irq = irq;
	141	iomemtype = cpu_register_io_memory(0, vpb_sic_readfn,
	142	vpb_sic_writefn, s);
187337f8	143	cpu_register_physical_memory(base, 0x00001000, iomemtype);
cdbdb648	144	/* ??? Save/restore. */
d537cf6c	145	return qi;
cdbdb648 PB	146	}
	147
	148	/* Board init. */
	149
16406950 PB	150	/* The AB and PB boards both use the same core, just with different
	151	peripherans and expansion busses. For now we emulate a subset of the
	152	PB peripherals and just change the board ID. */
cdbdb648	153
f93eb9ff AZ	154	static struct arm_boot_info versatile_binfo;
f93eb9ff AZ	155
fbe1b595	156	static void versatile_init(ram_addr_t ram_size,
3023f332	157	const char *boot_device,
cdbdb648	158	const char kernel_filename, const char kernel_cmdline,
3371d272 PB	159	const char initrd_filename, const char cpu_model,
3371d272 PB	160	int board_id)
cdbdb648 PB	161	{
cdbdb648 PB	162	CPUState *env;
7ffab4d7	163	ram_addr_t ram_offset;
d537cf6c PB	164	qemu_irq *pic;
d537cf6c PB	165	qemu_irq *sic;
502a5395 PB	166	PCIBus *pci_bus;
	167	NICInfo *nd;
	168	int n;
	169	int done_smc = 0;
cdbdb648	170
3371d272 PB	171	if (!cpu_model)
3371d272 PB	172	cpu_model = "arm926";
aaed909a FB	173	env = cpu_init(cpu_model);
	174	if (!env) {
	175	fprintf(stderr, "Unable to find CPU definition\n");
	176	exit(1);
	177	}
7ffab4d7	178	ram_offset = qemu_ram_alloc(ram_size);
1235fc06	179	/* ??? RAM should repeat to fill physical memory space. */
cdbdb648	180	/* SDRAM at address zero. */
7ffab4d7	181	cpu_register_physical_memory(0, ram_size, ram_offset \| IO_MEM_RAM);
cdbdb648	182
e69954b9	183	arm_sysctl_init(0x10000000, 0x41007004);
cdbdb648	184	pic = arm_pic_init_cpu(env);
d537cf6c	185	pic = pl190_init(0x10140000, pic[0], pic[1]);
cdbdb648	186	sic = vpb_sic_init(0x10003000, pic, 31);
86394e96 PB	187
	188	sysbus_create_simple("pl050_keyboard", 0x10006000, sic[3]);
	189	sysbus_create_simple("pl050_mouse", 0x10007000, sic[4]);
cdbdb648	190
e69954b9	191	pci_bus = pci_vpb_init(sic, 27, 0);
502a5395 PB	192	/* The Versatile PCI bridge does not provide access to PCI IO space,
	193	so many of the qemu PCI devices are not useable. */
	194	for(n = 0; n < nb_nics; n++) {
	195	nd = &nd_table[n];
0ae18cee AL	196
0ae18cee AL	197	if ((!nd->model && !done_smc) \|\| strcmp(nd->model, "smc91c111") == 0) {
d537cf6c	198	smc91c111_init(nd, 0x10010000, sic[25]);
0ae18cee	199	done_smc = 1;
cdbdb648	200	} else {
cb457d76	201	pci_nic_init(pci_bus, nd, -1, "rtl8139");
cdbdb648 PB	202	}
cdbdb648 PB	203	}
0d92ed30	204	if (usb_enabled) {
e24ad6f1	205	usb_ohci_init_pci(pci_bus, 3, -1);
0d92ed30	206	}
9be5dafe PB	207	n = drive_get_max_bus(IF_SCSI);
	208	while (n >= 0) {
	209	pci_create_simple(pci_bus, -1, "lsi53c895a");
	210	n--;
7d8406be	211	}
cdbdb648	212
a7d518a6 PB	213	sysbus_create_simple("pl011", 0x101f1000, pic[12]);
	214	sysbus_create_simple("pl011", 0x101f2000, pic[13]);
	215	sysbus_create_simple("pl011", 0x101f3000, pic[14]);
	216	sysbus_create_simple("pl011", 0x10009000, sic[6]);
cdbdb648	217
d537cf6c PB	218	pl080_init(0x10130000, pic[17], 8);
	219	sp804_init(0x101e2000, pic[4]);
	220	sp804_init(0x101e3000, pic[5]);
cdbdb648 PB	221
	222	/* The versatile/PB actually has a modified Color LCD controller
	223	that includes hardware cursor support from the PL111. */
2e9bdce5	224	sysbus_create_simple("pl110_versatile", 0x10120000, pic[16]);
cdbdb648	225
aa9311d8 PB	226	sysbus_create_varargs("pl181", 0x10005000, sic[22], sic[1], NULL);
aa9311d8 PB	227	sysbus_create_varargs("pl181", 0x1000b000, sic[23], sic[2], NULL);
a1bb27b1	228
7e1543c2	229	/* Add PL031 Real Time Clock. */
a63bdb31	230	sysbus_create_simple("pl031", 0x101e8000, pic[10]);
7e1543c2	231
16406950	232	/* Memory map for Versatile/PB: */
cdbdb648 PB	233	/* 0x10000000 System registers. */
	234	/* 0x10001000 PCI controller config registers. */
	235	/* 0x10002000 Serial bus interface. */
	236	/* 0x10003000 Secondary interrupt controller. */
	237	/* 0x10004000 AACI (audio). */
a1bb27b1	238	/* 0x10005000 MMCI0. */
cdbdb648 PB	239	/* 0x10006000 KMI0 (keyboard). */
	240	/* 0x10007000 KMI1 (mouse). */
	241	/* 0x10008000 Character LCD Interface. */
	242	/* 0x10009000 UART3. */
	243	/* 0x1000a000 Smart card 1. */
a1bb27b1	244	/* 0x1000b000 MMCI1. */
cdbdb648 PB	245	/* 0x10010000 Ethernet. */
	246	/* 0x10020000 USB. */
	247	/* 0x10100000 SSMC. */
	248	/* 0x10110000 MPMC. */
	249	/* 0x10120000 CLCD Controller. */
	250	/* 0x10130000 DMA Controller. */
	251	/* 0x10140000 Vectored interrupt controller. */
	252	/* 0x101d0000 AHB Monitor Interface. */
	253	/* 0x101e0000 System Controller. */
	254	/* 0x101e1000 Watchdog Interface. */
	255	/* 0x101e2000 Timer 0/1. */
	256	/* 0x101e3000 Timer 2/3. */
	257	/* 0x101e4000 GPIO port 0. */
	258	/* 0x101e5000 GPIO port 1. */
	259	/* 0x101e6000 GPIO port 2. */
	260	/* 0x101e7000 GPIO port 3. */
	261	/* 0x101e8000 RTC. */
	262	/* 0x101f0000 Smart card 0. */
	263	/* 0x101f1000 UART0. */
	264	/* 0x101f2000 UART1. */
	265	/* 0x101f3000 UART2. */
	266	/* 0x101f4000 SSPI. */
	267
f93eb9ff AZ	268	versatile_binfo.ram_size = ram_size;
	269	versatile_binfo.kernel_filename = kernel_filename;
	270	versatile_binfo.kernel_cmdline = kernel_cmdline;
	271	versatile_binfo.initrd_filename = initrd_filename;
	272	versatile_binfo.board_id = board_id;
	273	arm_load_kernel(env, &versatile_binfo);
16406950 PB	274	}
16406950 PB	275
fbe1b595	276	static void vpb_init(ram_addr_t ram_size,
3023f332	277	const char *boot_device,
16406950	278	const char kernel_filename, const char kernel_cmdline,
94fc95cd	279	const char initrd_filename, const char cpu_model)
16406950	280	{
fbe1b595	281	versatile_init(ram_size,
3023f332	282	boot_device,
16406950	283	kernel_filename, kernel_cmdline,
3371d272	284	initrd_filename, cpu_model, 0x183);
16406950 PB	285	}
16406950 PB	286
fbe1b595	287	static void vab_init(ram_addr_t ram_size,
3023f332	288	const char *boot_device,
16406950	289	const char kernel_filename, const char kernel_cmdline,
94fc95cd	290	const char initrd_filename, const char cpu_model)
16406950	291	{
fbe1b595	292	versatile_init(ram_size,
3023f332	293	boot_device,
16406950	294	kernel_filename, kernel_cmdline,
3371d272	295	initrd_filename, cpu_model, 0x25e);
cdbdb648 PB	296	}
	297
	298	QEMUMachine versatilepb_machine = {
c9b1ae2c BS	299	.name = "versatilepb",
	300	.desc = "ARM Versatile/PB (ARM926EJ-S)",
	301	.init = vpb_init,
	302	.use_scsi = 1,
cdbdb648	303	};
16406950 PB	304
16406950 PB	305	QEMUMachine versatileab_machine = {
c9b1ae2c BS	306	.name = "versatileab",
	307	.desc = "ARM Versatile/AB (ARM926EJ-S)",
	308	.init = vab_init,
	309	.use_scsi = 1,
16406950	310	};