* Copyright (c) 2006-2007 CodeSourcery.
* Written by Paul Brook
*
- * This code is licenced under the GPL.
+ * This code is licensed under the GPL.
*/
#include "sysbus.h"
#include "primecell.h"
#include "devices.h"
#include "pci.h"
-#include "usb-ohci.h"
#include "net.h"
#include "sysemu.h"
#include "boards.h"
-#include "bitbang_i2c.h"
-#include "sysbus.h"
+#include "i2c.h"
#include "blockdev.h"
+#include "exec-memory.h"
#define SMP_BOOT_ADDR 0xe0000000
-
-typedef struct {
- SysBusDevice busdev;
- bitbang_i2c_interface *bitbang;
- int out;
- int in;
-} RealViewI2CState;
-
-static uint32_t realview_i2c_read(void *opaque, target_phys_addr_t offset)
-{
- RealViewI2CState *s = (RealViewI2CState *)opaque;
-
- if (offset == 0) {
- return (s->out & 1) | (s->in << 1);
- } else {
- hw_error("realview_i2c_read: Bad offset 0x%x\n", (int)offset);
- return -1;
- }
-}
-
-static void realview_i2c_write(void *opaque, target_phys_addr_t offset,
- uint32_t value)
-{
- RealViewI2CState *s = (RealViewI2CState *)opaque;
-
- switch (offset) {
- case 0:
- s->out |= value & 3;
- break;
- case 4:
- s->out &= ~value;
- break;
- default:
- hw_error("realview_i2c_write: Bad offset 0x%x\n", (int)offset);
- }
- bitbang_i2c_set(s->bitbang, BITBANG_I2C_SCL, (s->out & 1) != 0);
- s->in = bitbang_i2c_set(s->bitbang, BITBANG_I2C_SDA, (s->out & 2) != 0);
-}
-
-static CPUReadMemoryFunc * const realview_i2c_readfn[] = {
- realview_i2c_read,
- realview_i2c_read,
- realview_i2c_read
-};
-
-static CPUWriteMemoryFunc * const realview_i2c_writefn[] = {
- realview_i2c_write,
- realview_i2c_write,
- realview_i2c_write
-};
-
-static int realview_i2c_init(SysBusDevice *dev)
-{
- RealViewI2CState *s = FROM_SYSBUS(RealViewI2CState, dev);
- i2c_bus *bus;
- int iomemtype;
-
- bus = i2c_init_bus(&dev->qdev, "i2c");
- s->bitbang = bitbang_i2c_init(bus);
- iomemtype = cpu_register_io_memory(realview_i2c_readfn,
- realview_i2c_writefn, s,
- DEVICE_NATIVE_ENDIAN);
- sysbus_init_mmio(dev, 0x1000, iomemtype);
- return 0;
-}
-
-static SysBusDeviceInfo realview_i2c_info = {
- .init = realview_i2c_init,
- .qdev.name = "realview_i2c",
- .qdev.size = sizeof(RealViewI2CState),
-};
-
-static void realview_register_devices(void)
-{
- sysbus_register_withprop(&realview_i2c_info);
-}
+#define SMP_BOOTREG_ADDR 0x10000030
/* Board init. */
static struct arm_boot_info realview_binfo = {
.smp_loader_start = SMP_BOOT_ADDR,
+ .smp_bootreg_addr = SMP_BOOTREG_ADDR,
};
-static void secondary_cpu_reset(void *opaque)
-{
- CPUState *env = opaque;
-
- cpu_reset(env);
- /* Set entry point for secondary CPUs. This assumes we're using
- the init code from arm_boot.c. Real hardware resets all CPUs
- the same. */
- env->regs[15] = SMP_BOOT_ADDR;
-}
-
/* The following two lists must be consistent. */
enum realview_board_type {
BOARD_EB,
const char *initrd_filename, const char *cpu_model,
enum realview_board_type board_type)
{
- CPUState *env = NULL;
- ram_addr_t ram_offset;
- DeviceState *dev;
+ ARMCPU *cpu = NULL;
+ CPUARMState *env;
+ MemoryRegion *sysmem = get_system_memory();
+ MemoryRegion *ram_lo = g_new(MemoryRegion, 1);
+ MemoryRegion *ram_hi = g_new(MemoryRegion, 1);
+ MemoryRegion *ram_alias = g_new(MemoryRegion, 1);
+ MemoryRegion *ram_hack = g_new(MemoryRegion, 1);
+ DeviceState *dev, *sysctl, *gpio2, *pl041;
SysBusDevice *busdev;
qemu_irq *irqp;
qemu_irq pic[64];
+ qemu_irq mmc_irq[2];
PCIBus *pci_bus;
NICInfo *nd;
i2c_bus *i2c;
break;
}
for (n = 0; n < smp_cpus; n++) {
- env = cpu_init(cpu_model);
- if (!env) {
+ cpu = cpu_arm_init(cpu_model);
+ if (!cpu) {
fprintf(stderr, "Unable to find CPU definition\n");
exit(1);
}
- irqp = arm_pic_init_cpu(env);
+ irqp = arm_pic_init_cpu(&cpu->env);
cpu_irq[n] = irqp[ARM_PIC_CPU_IRQ];
- if (n > 0) {
- qemu_register_reset(secondary_cpu_reset, env);
- }
}
+ env = &cpu->env;
if (arm_feature(env, ARM_FEATURE_V7)) {
if (is_mpcore) {
proc_id = 0x0c000000;
/* Core tile RAM. */
low_ram_size = ram_size - 0x20000000;
ram_size = 0x20000000;
- ram_offset = qemu_ram_alloc(NULL, "realview.lowmem", low_ram_size);
- cpu_register_physical_memory(0x20000000, low_ram_size,
- ram_offset | IO_MEM_RAM);
+ memory_region_init_ram(ram_lo, "realview.lowmem", low_ram_size);
+ vmstate_register_ram_global(ram_lo);
+ memory_region_add_subregion(sysmem, 0x20000000, ram_lo);
}
- ram_offset = qemu_ram_alloc(NULL, "realview.highmem", ram_size);
+ memory_region_init_ram(ram_hi, "realview.highmem", ram_size);
+ vmstate_register_ram_global(ram_hi);
low_ram_size = ram_size;
if (low_ram_size > 0x10000000)
low_ram_size = 0x10000000;
/* SDRAM at address zero. */
- cpu_register_physical_memory(0, low_ram_size, ram_offset | IO_MEM_RAM);
+ memory_region_init_alias(ram_alias, "realview.alias",
+ ram_hi, 0, low_ram_size);
+ memory_region_add_subregion(sysmem, 0, ram_alias);
if (is_pb) {
/* And again at a high address. */
- cpu_register_physical_memory(0x70000000, ram_size,
- ram_offset | IO_MEM_RAM);
+ memory_region_add_subregion(sysmem, 0x70000000, ram_hi);
} else {
ram_size = low_ram_size;
}
sys_id = is_pb ? 0x01780500 : 0xc1400400;
- arm_sysctl_init(0x10000000, sys_id, proc_id);
+ sysctl = qdev_create(NULL, "realview_sysctl");
+ qdev_prop_set_uint32(sysctl, "sys_id", sys_id);
+ qdev_prop_set_uint32(sysctl, "proc_id", proc_id);
+ qdev_init_nofail(sysctl);
+ sysbus_mmio_map(sysbus_from_qdev(sysctl), 0, 0x10000000);
if (is_mpcore) {
+ target_phys_addr_t periphbase;
dev = qdev_create(NULL, is_pb ? "a9mpcore_priv": "realview_mpcore");
qdev_prop_set_uint32(dev, "num-cpu", smp_cpus);
qdev_init_nofail(dev);
busdev = sysbus_from_qdev(dev);
if (is_pb) {
- realview_binfo.smp_priv_base = 0x1f000000;
+ periphbase = 0x1f000000;
} else {
- realview_binfo.smp_priv_base = 0x10100000;
+ periphbase = 0x10100000;
}
- sysbus_mmio_map(busdev, 0, realview_binfo.smp_priv_base);
+ sysbus_mmio_map(busdev, 0, periphbase);
for (n = 0; n < smp_cpus; n++) {
sysbus_connect_irq(busdev, n, cpu_irq[n]);
}
+ sysbus_create_varargs("l2x0", periphbase + 0x2000, NULL);
+ /* Both A9 and 11MPCore put the GIC CPU i/f at base + 0x100 */
+ realview_binfo.gic_cpu_if_addr = periphbase + 0x100;
} else {
uint32_t gic_addr = is_pb ? 0x1e000000 : 0x10040000;
/* For now just create the nIRQ GIC, and ignore the others. */
pic[n] = qdev_get_gpio_in(dev, n);
}
+ pl041 = qdev_create(NULL, "pl041");
+ qdev_prop_set_uint32(pl041, "nc_fifo_depth", 512);
+ qdev_init_nofail(pl041);
+ sysbus_mmio_map(sysbus_from_qdev(pl041), 0, 0x10004000);
+ sysbus_connect_irq(sysbus_from_qdev(pl041), 0, pic[19]);
+
sysbus_create_simple("pl050_keyboard", 0x10006000, pic[20]);
sysbus_create_simple("pl050_mouse", 0x10007000, pic[21]);
sysbus_create_simple("sp804", 0x10011000, pic[4]);
sysbus_create_simple("sp804", 0x10012000, pic[5]);
- sysbus_create_simple("pl110_versatile", 0x10020000, pic[23]);
-
- sysbus_create_varargs("pl181", 0x10005000, pic[17], pic[18], NULL);
+ sysbus_create_simple("pl061", 0x10013000, pic[6]);
+ sysbus_create_simple("pl061", 0x10014000, pic[7]);
+ gpio2 = sysbus_create_simple("pl061", 0x10015000, pic[8]);
+
+ sysbus_create_simple("pl111", 0x10020000, pic[23]);
+
+ dev = sysbus_create_varargs("pl181", 0x10005000, pic[17], pic[18], NULL);
+ /* Wire up MMC card detect and read-only signals. These have
+ * to go to both the PL061 GPIO and the sysctl register.
+ * Note that the PL181 orders these lines (readonly,inserted)
+ * and the PL061 has them the other way about. Also the card
+ * detect line is inverted.
+ */
+ mmc_irq[0] = qemu_irq_split(
+ qdev_get_gpio_in(sysctl, ARM_SYSCTL_GPIO_MMC_WPROT),
+ qdev_get_gpio_in(gpio2, 1));
+ mmc_irq[1] = qemu_irq_split(
+ qdev_get_gpio_in(sysctl, ARM_SYSCTL_GPIO_MMC_CARDIN),
+ qemu_irq_invert(qdev_get_gpio_in(gpio2, 0)));
+ qdev_connect_gpio_out(dev, 0, mmc_irq[0]);
+ qdev_connect_gpio_out(dev, 1, mmc_irq[1]);
sysbus_create_simple("pl031", 0x10017000, pic[10]);
if (!is_pb) {
- dev = sysbus_create_varargs("realview_pci", 0x60000000,
- pic[48], pic[49], pic[50], pic[51], NULL);
+ dev = qdev_create(NULL, "realview_pci");
+ busdev = sysbus_from_qdev(dev);
+ qdev_init_nofail(dev);
+ sysbus_mmio_map(busdev, 0, 0x61000000); /* PCI self-config */
+ sysbus_mmio_map(busdev, 1, 0x62000000); /* PCI config */
+ sysbus_mmio_map(busdev, 2, 0x63000000); /* PCI I/O */
+ sysbus_connect_irq(busdev, 0, pic[48]);
+ sysbus_connect_irq(busdev, 1, pic[49]);
+ sysbus_connect_irq(busdev, 2, pic[50]);
+ sysbus_connect_irq(busdev, 3, pic[51]);
pci_bus = (PCIBus *)qdev_get_child_bus(dev, "pci");
if (usb_enabled) {
- usb_ohci_init_pci(pci_bus, -1);
+ pci_create_simple(pci_bus, -1, "pci-ohci");
}
n = drive_get_max_bus(IF_SCSI);
while (n >= 0) {
for(n = 0; n < nb_nics; n++) {
nd = &nd_table[n];
- if ((!nd->model && !done_nic)
- || strcmp(nd->model, is_pb ? "lan9118" : "smc91c111") == 0) {
+ if (!done_nic && (!nd->model ||
+ strcmp(nd->model, is_pb ? "lan9118" : "smc91c111") == 0)) {
if (is_pb) {
lan9118_init(nd, 0x4e000000, pic[28]);
} else {
}
}
- dev = sysbus_create_simple("realview_i2c", 0x10002000, NULL);
+ dev = sysbus_create_simple("versatile_i2c", 0x10002000, NULL);
i2c = (i2c_bus *)qdev_get_child_bus(dev, "i2c");
i2c_create_slave(i2c, "ds1338", 0x68);
startup code. I guess this works on real hardware because the
BootROM happens to be in ROM/flash or in memory that isn't clobbered
until after Linux boots the secondary CPUs. */
- ram_offset = qemu_ram_alloc(NULL, "realview.hack", 0x1000);
- cpu_register_physical_memory(SMP_BOOT_ADDR, 0x1000,
- ram_offset | IO_MEM_RAM);
+ memory_region_init_ram(ram_hack, "realview.hack", 0x1000);
+ vmstate_register_ram_global(ram_hack);
+ memory_region_add_subregion(sysmem, SMP_BOOT_ADDR, ram_hack);
realview_binfo.ram_size = ram_size;
realview_binfo.kernel_filename = kernel_filename;
realview_binfo.nb_cpus = smp_cpus;
realview_binfo.board_id = realview_board_id[board_type];
realview_binfo.loader_start = (board_type == BOARD_PB_A8 ? 0x70000000 : 0);
- arm_load_kernel(first_cpu, &realview_binfo);
+ arm_load_kernel(arm_env_get_cpu(first_cpu), &realview_binfo);
}
static void realview_eb_init(ram_addr_t ram_size,
}
machine_init(realview_machine_init);
-device_init(realview_register_devices)