[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 "vl.h"
#include "arm_pic.h"

/* Primary interrupt controller.  */

typedef struct vpb_sic_state
{
  uint32_t base;
  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;

    offset -= s->base;
    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;
    offset -= s->base;

    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));
    if (!s)
        return NULL;
    qi = qemu_allocate_irqs(vpb_sic_set_irq, s, 32);
    s->base = base;
    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 void versatile_init(int ram_size, int vga_ram_size,
                     const char *boot_device, DisplayState *ds,
                     const char **fd_filename, int snapshot,
                     const char *kernel_filename, const char *kernel_cmdline,
                     const char *initrd_filename, const char *cpu_model,
                     int board_id)
{
    CPUState *env;
    qemu_irq *pic;
    qemu_irq *sic;
    void *scsi_hba;
    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 shoud repeat to fill physical memory space.  */
    /* SDRAM at address zero.  */
    cpu_register_physical_memory(0, ram_size, 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);
    pl050_init(0x10006000, sic[3], 0);
    pl050_init(0x10007000, sic[4], 1);

    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)
            nd->model = done_smc ? "rtl8139" : "smc91c111";
        if (strcmp(nd->model, "smc91c111") == 0) {
            smc91c111_init(nd, 0x10010000, sic[25]);
        } else {
            pci_nic_init(pci_bus, nd, -1);
        }
    }
    if (usb_enabled) {
        usb_ohci_init_pci(pci_bus, 3, -1);
    }
    scsi_hba = lsi_scsi_init(pci_bus, -1);
    for (n = 0; n < MAX_DISKS; n++) {
        if (bs_table[n]) {
            lsi_scsi_attach(scsi_hba, bs_table[n], n);
        }
    }

    pl011_init(0x101f1000, pic[12], serial_hds[0], PL011_ARM);
    pl011_init(0x101f2000, pic[13], serial_hds[1], PL011_ARM);
    pl011_init(0x101f3000, pic[14], serial_hds[2], PL011_ARM);
    pl011_init(0x10009000, sic[6], serial_hds[3], PL011_ARM);

    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.  */
    pl110_init(ds, 0x10120000, pic[16], 1);

    pl181_init(0x10005000, sd_bdrv, sic[22], sic[1]);
#if 0
    /* Disabled because there's no way of specifying a block device.  */
    pl181_init(0x1000b000, NULL, sic, 23, 2);
#endif

    /* Add PL031 Real Time Clock. */
    pl031_init(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.  */

    arm_load_kernel(env, ram_size, kernel_filename, kernel_cmdline,
                    initrd_filename, board_id, 0x0);
}

static void vpb_init(int ram_size, int vga_ram_size, const char *boot_device,
                     DisplayState *ds, const char **fd_filename, int snapshot,
                     const char *kernel_filename, const char *kernel_cmdline,
                     const char *initrd_filename, const char *cpu_model)
{
    versatile_init(ram_size, vga_ram_size, boot_device,
                   ds, fd_filename, snapshot,
                   kernel_filename, kernel_cmdline,
                   initrd_filename, cpu_model, 0x183);
}

static void vab_init(int ram_size, int vga_ram_size, const char *boot_device,
                     DisplayState *ds, const char **fd_filename, int snapshot,
                     const char *kernel_filename, const char *kernel_cmdline,
                     const char *initrd_filename, const char *cpu_model)
{
    versatile_init(ram_size, vga_ram_size, boot_device,
                   ds, fd_filename, snapshot,
                   kernel_filename, kernel_cmdline,
                   initrd_filename, cpu_model, 0x25e);
}

QEMUMachine versatilepb_machine = {
    "versatilepb",
    "ARM Versatile/PB (ARM926EJ-S)",
    vpb_init,
};

QEMUMachine versatileab_machine = {
    "versatileab",
    "ARM Versatile/AB (ARM926EJ-S)",
    vab_init,
};
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
	10	#include "vl.h"
	11	#include "arm_pic.h"
	12
cdbdb648 PB	13	/* Primary interrupt controller. */
	14
	15	typedef struct vpb_sic_state
	16	{
cdbdb648 PB	17	uint32_t base;
	18	uint32_t level;
	19	uint32_t mask;
	20	uint32_t pic_enable;
d537cf6c	21	qemu_irq *parent;
cdbdb648 PB	22	int irq;
	23	} vpb_sic_state;
	24
	25	static void vpb_sic_update(vpb_sic_state *s)
	26	{
	27	uint32_t flags;
	28
	29	flags = s->level & s->mask;
d537cf6c	30	qemu_set_irq(s->parent[s->irq], flags != 0);
cdbdb648 PB	31	}
	32
	33	static void vpb_sic_update_pic(vpb_sic_state *s)
	34	{
	35	int i;
	36	uint32_t mask;
	37
	38	for (i = 21; i <= 30; i++) {
	39	mask = 1u << i;
	40	if (!(s->pic_enable & mask))
	41	continue;
d537cf6c	42	qemu_set_irq(s->parent[i], (s->level & mask) != 0);
cdbdb648 PB	43	}
	44	}
	45
	46	static void vpb_sic_set_irq(void *opaque, int irq, int level)
	47	{
	48	vpb_sic_state s = (vpb_sic_state )opaque;
	49	if (level)
	50	s->level \|= 1u << irq;
	51	else
	52	s->level &= ~(1u << irq);
	53	if (s->pic_enable & (1u << irq))
d537cf6c	54	qemu_set_irq(s->parent[irq], level);
cdbdb648 PB	55	vpb_sic_update(s);
	56	}
	57
	58	static uint32_t vpb_sic_read(void *opaque, target_phys_addr_t offset)
	59	{
	60	vpb_sic_state s = (vpb_sic_state )opaque;
	61
	62	offset -= s->base;
	63	switch (offset >> 2) {
	64	case 0: /* STATUS */
	65	return s->level & s->mask;
	66	case 1: /* RAWSTAT */
	67	return s->level;
	68	case 2: /* ENABLE */
	69	return s->mask;
	70	case 4: /* SOFTINT */
	71	return s->level & 1;
	72	case 8: /* PICENABLE */
	73	return s->pic_enable;
	74	default:
e69954b9	75	printf ("vpb_sic_read: Bad register offset 0x%x\n", (int)offset);
cdbdb648 PB	76	return 0;
	77	}
	78	}
	79
	80	static void vpb_sic_write(void *opaque, target_phys_addr_t offset,
	81	uint32_t value)
	82	{
	83	vpb_sic_state s = (vpb_sic_state )opaque;
	84	offset -= s->base;
	85
	86	switch (offset >> 2) {
	87	case 2: /* ENSET */
	88	s->mask \|= value;
	89	break;
	90	case 3: /* ENCLR */
	91	s->mask &= ~value;
	92	break;
	93	case 4: /* SOFTINTSET */
	94	if (value)
	95	s->mask \|= 1;
	96	break;
	97	case 5: /* SOFTINTCLR */
	98	if (value)
	99	s->mask &= ~1u;
	100	break;
	101	case 8: /* PICENSET */
	102	s->pic_enable \|= (value & 0x7fe00000);
	103	vpb_sic_update_pic(s);
	104	break;
	105	case 9: /* PICENCLR */
	106	s->pic_enable &= ~value;
	107	vpb_sic_update_pic(s);
	108	break;
	109	default:
e69954b9	110	printf ("vpb_sic_write: Bad register offset 0x%x\n", (int)offset);
cdbdb648 PB	111	return;
	112	}
	113	vpb_sic_update(s);
	114	}
	115
	116	static CPUReadMemoryFunc *vpb_sic_readfn[] = {
	117	vpb_sic_read,
	118	vpb_sic_read,
	119	vpb_sic_read
	120	};
	121
	122	static CPUWriteMemoryFunc *vpb_sic_writefn[] = {
	123	vpb_sic_write,
	124	vpb_sic_write,
	125	vpb_sic_write
	126	};
	127
d537cf6c	128	static qemu_irq vpb_sic_init(uint32_t base, qemu_irq parent, int irq)
cdbdb648 PB	129	{
cdbdb648 PB	130	vpb_sic_state *s;
d537cf6c	131	qemu_irq *qi;
cdbdb648 PB	132	int iomemtype;
	133
	134	s = (vpb_sic_state *)qemu_mallocz(sizeof(vpb_sic_state));
	135	if (!s)
	136	return NULL;
d537cf6c	137	qi = qemu_allocate_irqs(vpb_sic_set_irq, s, 32);
cdbdb648 PB	138	s->base = base;
	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
6ac0e82d AZ	154	static void versatile_init(int ram_size, int vga_ram_size,
	155	const char boot_device, DisplayState ds,
	156	const char **fd_filename, int snapshot,
cdbdb648	157	const char kernel_filename, const char kernel_cmdline,
3371d272 PB	158	const char initrd_filename, const char cpu_model,
3371d272 PB	159	int board_id)
cdbdb648 PB	160	{
cdbdb648 PB	161	CPUState *env;
d537cf6c PB	162	qemu_irq *pic;
d537cf6c PB	163	qemu_irq *sic;
7d8406be	164	void *scsi_hba;
502a5395 PB	165	PCIBus *pci_bus;
	166	NICInfo *nd;
	167	int n;
	168	int done_smc = 0;
cdbdb648	169
3371d272 PB	170	if (!cpu_model)
3371d272 PB	171	cpu_model = "arm926";
aaed909a FB	172	env = cpu_init(cpu_model);
	173	if (!env) {
	174	fprintf(stderr, "Unable to find CPU definition\n");
	175	exit(1);
	176	}
cdbdb648 PB	177	/* ??? RAM shoud repeat to fill physical memory space. */
	178	/* SDRAM at address zero. */
	179	cpu_register_physical_memory(0, ram_size, IO_MEM_RAM);
	180
e69954b9	181	arm_sysctl_init(0x10000000, 0x41007004);
cdbdb648	182	pic = arm_pic_init_cpu(env);
d537cf6c	183	pic = pl190_init(0x10140000, pic[0], pic[1]);
cdbdb648	184	sic = vpb_sic_init(0x10003000, pic, 31);
d537cf6c PB	185	pl050_init(0x10006000, sic[3], 0);
d537cf6c PB	186	pl050_init(0x10007000, sic[4], 1);
cdbdb648	187
e69954b9	188	pci_bus = pci_vpb_init(sic, 27, 0);
502a5395 PB	189	/* The Versatile PCI bridge does not provide access to PCI IO space,
	190	so many of the qemu PCI devices are not useable. */
	191	for(n = 0; n < nb_nics; n++) {
	192	nd = &nd_table[n];
	193	if (!nd->model)
	194	nd->model = done_smc ? "rtl8139" : "smc91c111";
	195	if (strcmp(nd->model, "smc91c111") == 0) {
d537cf6c	196	smc91c111_init(nd, 0x10010000, sic[25]);
cdbdb648	197	} else {
abcebc7e	198	pci_nic_init(pci_bus, nd, -1);
cdbdb648 PB	199	}
cdbdb648 PB	200	}
0d92ed30	201	if (usb_enabled) {
e24ad6f1	202	usb_ohci_init_pci(pci_bus, 3, -1);
0d92ed30	203	}
7d8406be PB	204	scsi_hba = lsi_scsi_init(pci_bus, -1);
	205	for (n = 0; n < MAX_DISKS; n++) {
	206	if (bs_table[n]) {
	207	lsi_scsi_attach(scsi_hba, bs_table[n], n);
	208	}
	209	}
cdbdb648	210
9ee6e8bb PB	211	pl011_init(0x101f1000, pic[12], serial_hds[0], PL011_ARM);
	212	pl011_init(0x101f2000, pic[13], serial_hds[1], PL011_ARM);
	213	pl011_init(0x101f3000, pic[14], serial_hds[2], PL011_ARM);
	214	pl011_init(0x10009000, sic[6], serial_hds[3], PL011_ARM);
cdbdb648	215
d537cf6c PB	216	pl080_init(0x10130000, pic[17], 8);
	217	sp804_init(0x101e2000, pic[4]);
	218	sp804_init(0x101e3000, pic[5]);
cdbdb648 PB	219
	220	/* The versatile/PB actually has a modified Color LCD controller
	221	that includes hardware cursor support from the PL111. */
d537cf6c	222	pl110_init(ds, 0x10120000, pic[16], 1);
cdbdb648	223
d537cf6c	224	pl181_init(0x10005000, sd_bdrv, sic[22], sic[1]);
a1bb27b1 PB	225	#if 0
	226	/* Disabled because there's no way of specifying a block device. */
	227	pl181_init(0x1000b000, NULL, sic, 23, 2);
	228	#endif
	229
7e1543c2 PB	230	/* Add PL031 Real Time Clock. */
	231	pl031_init(0x101e8000,pic[10]);
	232
16406950	233	/* Memory map for Versatile/PB: */
cdbdb648 PB	234	/* 0x10000000 System registers. */
	235	/* 0x10001000 PCI controller config registers. */
	236	/* 0x10002000 Serial bus interface. */
	237	/* 0x10003000 Secondary interrupt controller. */
	238	/* 0x10004000 AACI (audio). */
a1bb27b1	239	/* 0x10005000 MMCI0. */
cdbdb648 PB	240	/* 0x10006000 KMI0 (keyboard). */
	241	/* 0x10007000 KMI1 (mouse). */
	242	/* 0x10008000 Character LCD Interface. */
	243	/* 0x10009000 UART3. */
	244	/* 0x1000a000 Smart card 1. */
a1bb27b1	245	/* 0x1000b000 MMCI1. */
cdbdb648 PB	246	/* 0x10010000 Ethernet. */
	247	/* 0x10020000 USB. */
	248	/* 0x10100000 SSMC. */
	249	/* 0x10110000 MPMC. */
	250	/* 0x10120000 CLCD Controller. */
	251	/* 0x10130000 DMA Controller. */
	252	/* 0x10140000 Vectored interrupt controller. */
	253	/* 0x101d0000 AHB Monitor Interface. */
	254	/* 0x101e0000 System Controller. */
	255	/* 0x101e1000 Watchdog Interface. */
	256	/* 0x101e2000 Timer 0/1. */
	257	/* 0x101e3000 Timer 2/3. */
	258	/* 0x101e4000 GPIO port 0. */
	259	/* 0x101e5000 GPIO port 1. */
	260	/* 0x101e6000 GPIO port 2. */
	261	/* 0x101e7000 GPIO port 3. */
	262	/* 0x101e8000 RTC. */
	263	/* 0x101f0000 Smart card 0. */
	264	/* 0x101f1000 UART0. */
	265	/* 0x101f2000 UART1. */
	266	/* 0x101f3000 UART2. */
	267	/* 0x101f4000 SSPI. */
	268
daf90626	269	arm_load_kernel(env, ram_size, kernel_filename, kernel_cmdline,
9d551997	270	initrd_filename, board_id, 0x0);
16406950 PB	271	}
16406950 PB	272
6ac0e82d	273	static void vpb_init(int ram_size, int vga_ram_size, const char *boot_device,
16406950 PB	274	DisplayState ds, const char *fd_filename, int snapshot,
16406950 PB	275	const char kernel_filename, const char kernel_cmdline,
94fc95cd	276	const char initrd_filename, const char cpu_model)
16406950 PB	277	{
	278	versatile_init(ram_size, vga_ram_size, boot_device,
	279	ds, fd_filename, snapshot,
	280	kernel_filename, kernel_cmdline,
3371d272	281	initrd_filename, cpu_model, 0x183);
16406950 PB	282	}
16406950 PB	283
6ac0e82d	284	static void vab_init(int ram_size, int vga_ram_size, const char *boot_device,
16406950 PB	285	DisplayState ds, const char *fd_filename, int snapshot,
16406950 PB	286	const char kernel_filename, const char kernel_cmdline,
94fc95cd	287	const char initrd_filename, const char cpu_model)
16406950 PB	288	{
	289	versatile_init(ram_size, vga_ram_size, boot_device,
	290	ds, fd_filename, snapshot,
	291	kernel_filename, kernel_cmdline,
3371d272	292	initrd_filename, cpu_model, 0x25e);
cdbdb648 PB	293	}
	294
	295	QEMUMachine versatilepb_machine = {
	296	"versatilepb",
	297	"ARM Versatile/PB (ARM926EJ-S)",
	298	vpb_init,
	299	};
16406950 PB	300
	301	QEMUMachine versatileab_machine = {
	302	"versatileab",
	303	"ARM Versatile/AB (ARM926EJ-S)",
	304	vab_init,
	305	};