* Copyright (c) 2006-2007 CodeSourcery.
* Written by Paul Brook
*
- * This code is licenced under the GPL.
+ * This code is licensed under the GPL.
*/
-#include "hw.h"
+#include "sysbus.h"
#include "arm-misc.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 "blockdev.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);
+}
/* Board init. */
static struct arm_boot_info realview_binfo = {
- .loader_start = 0x0,
- .board_id = 0x33b,
+ .smp_loader_start = SMP_BOOT_ADDR,
+};
+
+/* The following two lists must be consistent. */
+enum realview_board_type {
+ BOARD_EB,
+ BOARD_EB_MPCORE,
+ BOARD_PB_A8,
+ BOARD_PBX_A9,
+};
+
+static const int realview_board_id[] = {
+ 0x33b,
+ 0x33b,
+ 0x769,
+ 0x76d
};
-static void realview_init(ram_addr_t ram_size, int vga_ram_size,
+static void realview_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)
+ const char *initrd_filename, const char *cpu_model,
+ enum realview_board_type board_type)
{
- CPUState *env;
+ CPUState *env = NULL;
ram_addr_t ram_offset;
- qemu_irq *pic;
- void *scsi_hba;
+ DeviceState *dev, *sysctl, *gpio2;
+ SysBusDevice *busdev;
+ qemu_irq *irqp;
+ qemu_irq pic[64];
+ qemu_irq mmc_irq[2];
PCIBus *pci_bus;
NICInfo *nd;
+ i2c_bus *i2c;
int n;
- int done_smc = 0;
+ int done_nic = 0;
qemu_irq cpu_irq[4];
- int ncpu;
- int index;
+ int is_mpcore = 0;
+ int is_pb = 0;
+ uint32_t proc_id = 0;
+ uint32_t sys_id;
+ ram_addr_t low_ram_size;
- if (!cpu_model)
- cpu_model = "arm926";
- /* FIXME: obey smp_cpus. */
- if (strcmp(cpu_model, "arm11mpcore") == 0) {
- ncpu = 4;
- } else {
- ncpu = 1;
+ switch (board_type) {
+ case BOARD_EB:
+ break;
+ case BOARD_EB_MPCORE:
+ is_mpcore = 1;
+ break;
+ case BOARD_PB_A8:
+ is_pb = 1;
+ break;
+ case BOARD_PBX_A9:
+ is_mpcore = 1;
+ is_pb = 1;
+ break;
}
-
- for (n = 0; n < ncpu; n++) {
+ for (n = 0; n < smp_cpus; n++) {
env = cpu_init(cpu_model);
if (!env) {
fprintf(stderr, "Unable to find CPU definition\n");
exit(1);
}
- pic = arm_pic_init_cpu(env);
- cpu_irq[n] = pic[ARM_PIC_CPU_IRQ];
- if (n > 0) {
- /* 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] = 0x80000000;
+ irqp = arm_pic_init_cpu(env);
+ cpu_irq[n] = irqp[ARM_PIC_CPU_IRQ];
+ }
+ if (arm_feature(env, ARM_FEATURE_V7)) {
+ if (is_mpcore) {
+ proc_id = 0x0c000000;
+ } else {
+ proc_id = 0x0e000000;
}
+ } else if (arm_feature(env, ARM_FEATURE_V6K)) {
+ proc_id = 0x06000000;
+ } else if (arm_feature(env, ARM_FEATURE_V6)) {
+ proc_id = 0x04000000;
+ } else {
+ proc_id = 0x02000000;
+ }
+
+ if (is_pb && ram_size > 0x20000000) {
+ /* 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);
}
- ram_offset = qemu_ram_alloc(ram_size);
- /* ??? RAM should repeat to fill physical memory space. */
+ ram_offset = qemu_ram_alloc(NULL, "realview.highmem", ram_size);
+ low_ram_size = ram_size;
+ if (low_ram_size > 0x10000000)
+ low_ram_size = 0x10000000;
/* SDRAM at address zero. */
- cpu_register_physical_memory(0, ram_size, ram_offset | IO_MEM_RAM);
+ cpu_register_physical_memory(0, low_ram_size, ram_offset | IO_MEM_RAM);
+ if (is_pb) {
+ /* And again at a high address. */
+ cpu_register_physical_memory(0x70000000, ram_size,
+ ram_offset | IO_MEM_RAM);
+ } else {
+ ram_size = low_ram_size;
+ }
- arm_sysctl_init(0x10000000, 0xc1400400);
+ sys_id = is_pb ? 0x01780500 : 0xc1400400;
+ sysctl = qdev_create(NULL, "realview_sysctl");
+ qdev_prop_set_uint32(sysctl, "sys_id", sys_id);
+ qdev_init_nofail(sysctl);
+ qdev_prop_set_uint32(sysctl, "proc_id", proc_id);
+ sysbus_mmio_map(sysbus_from_qdev(sysctl), 0, 0x10000000);
- if (ncpu == 1) {
- /* ??? The documentation says GIC1 is nFIQ and either GIC2 or GIC3
- is nIRQ (there are inconsistencies). However Linux 2.6.17 expects
- GIC1 to be nIRQ and ignores all the others, so do that for now. */
- pic = realview_gic_init(0x10040000, cpu_irq[0]);
+ if (is_mpcore) {
+ 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;
+ } else {
+ realview_binfo.smp_priv_base = 0x10100000;
+ }
+ sysbus_mmio_map(busdev, 0, realview_binfo.smp_priv_base);
+ for (n = 0; n < smp_cpus; n++) {
+ sysbus_connect_irq(busdev, n, cpu_irq[n]);
+ }
} else {
- pic = mpcore_irq_init(cpu_irq);
+ uint32_t gic_addr = is_pb ? 0x1e000000 : 0x10040000;
+ /* For now just create the nIRQ GIC, and ignore the others. */
+ dev = sysbus_create_simple("realview_gic", gic_addr, cpu_irq[0]);
+ }
+ for (n = 0; n < 64; n++) {
+ pic[n] = qdev_get_gpio_in(dev, n);
}
- pl050_init(0x10006000, pic[20], 0);
- pl050_init(0x10007000, pic[21], 1);
+ sysbus_create_simple("pl050_keyboard", 0x10006000, pic[20]);
+ sysbus_create_simple("pl050_mouse", 0x10007000, pic[21]);
- pl011_init(0x10009000, pic[12], serial_hds[0], PL011_ARM);
- pl011_init(0x1000a000, pic[13], serial_hds[1], PL011_ARM);
- pl011_init(0x1000b000, pic[14], serial_hds[2], PL011_ARM);
- pl011_init(0x1000c000, pic[15], serial_hds[3], PL011_ARM);
+ sysbus_create_simple("pl011", 0x10009000, pic[12]);
+ sysbus_create_simple("pl011", 0x1000a000, pic[13]);
+ sysbus_create_simple("pl011", 0x1000b000, pic[14]);
+ sysbus_create_simple("pl011", 0x1000c000, pic[15]);
/* DMA controller is optional, apparently. */
- pl080_init(0x10030000, pic[24], 2);
+ sysbus_create_simple("pl081", 0x10030000, pic[24]);
- sp804_init(0x10011000, pic[4]);
- sp804_init(0x10012000, pic[5]);
+ sysbus_create_simple("sp804", 0x10011000, pic[4]);
+ sysbus_create_simple("sp804", 0x10012000, pic[5]);
- pl110_init(0x10020000, pic[23], 1);
+ sysbus_create_simple("pl061", 0x10013000, pic[6]);
+ sysbus_create_simple("pl061", 0x10014000, pic[7]);
+ gpio2 = sysbus_create_simple("pl061", 0x10015000, pic[8]);
- index = drive_get_index(IF_SD, 0, 0);
- if (index == -1) {
- fprintf(stderr, "qemu: missing SecureDigital card\n");
- exit(1);
- }
- pl181_init(0x10005000, drives_table[index].bdrv, pic[17], pic[18]);
+ sysbus_create_simple("pl110_versatile", 0x10020000, pic[23]);
- pl031_init(0x10017000, pic[10]);
+ 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]);
- pci_bus = pci_vpb_init(pic, 48, 1);
- if (usb_enabled) {
- usb_ohci_init_pci(pci_bus, 3, -1);
- }
- if (drive_get_max_bus(IF_SCSI) > 0) {
- fprintf(stderr, "qemu: too many SCSI bus\n");
- exit(1);
- }
- scsi_hba = lsi_scsi_init(pci_bus, -1);
- for (n = 0; n < LSI_MAX_DEVS; n++) {
- index = drive_get_index(IF_SCSI, 0, n);
- if (index == -1)
- continue;
- lsi_scsi_attach(scsi_hba, drives_table[index].bdrv, n);
+ 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);
+ pci_bus = (PCIBus *)qdev_get_child_bus(dev, "pci");
+ if (usb_enabled) {
+ usb_ohci_init_pci(pci_bus, -1);
+ }
+ n = drive_get_max_bus(IF_SCSI);
+ while (n >= 0) {
+ pci_create_simple(pci_bus, -1, "lsi53c895a");
+ n--;
+ }
}
for(n = 0; n < nb_nics; n++) {
nd = &nd_table[n];
- if ((!nd->model && !done_smc) || strcmp(nd->model, "smc91c111") == 0) {
- smc91c111_init(nd, 0x4e000000, pic[28]);
- done_smc = 1;
+ if (!done_nic && (!nd->model ||
+ strcmp(nd->model, is_pb ? "lan9118" : "smc91c111") == 0)) {
+ if (is_pb) {
+ lan9118_init(nd, 0x4e000000, pic[28]);
+ } else {
+ smc91c111_init(nd, 0x4e000000, pic[28]);
+ }
+ done_nic = 1;
} else {
- pci_nic_init(pci_bus, nd, -1, "rtl8139");
+ pci_nic_init_nofail(nd, "rtl8139", NULL);
}
}
+ dev = sysbus_create_simple("realview_i2c", 0x10002000, NULL);
+ i2c = (i2c_bus *)qdev_get_child_bus(dev, "i2c");
+ i2c_create_slave(i2c, "ds1338", 0x68);
+
/* Memory map for RealView Emulation Baseboard: */
/* 0x10000000 System registers. */
/* 0x10001000 System controller. */
- /* 0x10002000 Two-Wire Serial Bus. */
+ /* 0x10002000 Two-Wire Serial Bus. */
/* 0x10003000 Reserved. */
/* 0x10004000 AACI. */
/* 0x10005000 MCI. */
/* 0x10006000 KMI0. */
/* 0x10007000 KMI1. */
- /* 0x10008000 Character LCD. */
+ /* 0x10008000 Character LCD. (EB) */
/* 0x10009000 UART0. */
/* 0x1000a000 UART1. */
/* 0x1000b000 UART2. */
/* 0x10013000 GPIO 0. */
/* 0x10014000 GPIO 1. */
/* 0x10015000 GPIO 2. */
- /* 0x10016000 Reserved. */
+ /* 0x10002000 Two-Wire Serial Bus - DVI. (PB) */
/* 0x10017000 RTC. */
/* 0x10018000 DMC. */
/* 0x10019000 PCI controller config. */
/* 0x10020000 CLCD. */
/* 0x10030000 DMA Controller. */
- /* 0x10040000 GIC1. */
- /* 0x10050000 GIC2. */
- /* 0x10060000 GIC3. */
- /* 0x10070000 GIC4. */
+ /* 0x10040000 GIC1. (EB) */
+ /* 0x10050000 GIC2. (EB) */
+ /* 0x10060000 GIC3. (EB) */
+ /* 0x10070000 GIC4. (EB) */
/* 0x10080000 SMC. */
+ /* 0x1e000000 GIC1. (PB) */
+ /* 0x1e001000 GIC2. (PB) */
+ /* 0x1e002000 GIC3. (PB) */
+ /* 0x1e003000 GIC4. (PB) */
/* 0x40000000 NOR flash. */
/* 0x44000000 DoC flash. */
/* 0x48000000 SRAM. */
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(0x1000);
- cpu_register_physical_memory(0x80000000, 0x1000, ram_offset | IO_MEM_RAM);
+ ram_offset = qemu_ram_alloc(NULL, "realview.hack", 0x1000);
+ cpu_register_physical_memory(SMP_BOOT_ADDR, 0x1000,
+ ram_offset | IO_MEM_RAM);
realview_binfo.ram_size = ram_size;
realview_binfo.kernel_filename = kernel_filename;
realview_binfo.kernel_cmdline = kernel_cmdline;
realview_binfo.initrd_filename = initrd_filename;
- realview_binfo.nb_cpus = ncpu;
+ 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);
}
-QEMUMachine realview_machine = {
- .name = "realview",
+static void realview_eb_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)
+{
+ if (!cpu_model) {
+ cpu_model = "arm926";
+ }
+ realview_init(ram_size, boot_device, kernel_filename, kernel_cmdline,
+ initrd_filename, cpu_model, BOARD_EB);
+}
+
+static void realview_eb_mpcore_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)
+{
+ if (!cpu_model) {
+ cpu_model = "arm11mpcore";
+ }
+ realview_init(ram_size, boot_device, kernel_filename, kernel_cmdline,
+ initrd_filename, cpu_model, BOARD_EB_MPCORE);
+}
+
+static void realview_pb_a8_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)
+{
+ if (!cpu_model) {
+ cpu_model = "cortex-a8";
+ }
+ realview_init(ram_size, boot_device, kernel_filename, kernel_cmdline,
+ initrd_filename, cpu_model, BOARD_PB_A8);
+}
+
+static void realview_pbx_a9_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)
+{
+ if (!cpu_model) {
+ cpu_model = "cortex-a9";
+ }
+ realview_init(ram_size, boot_device, kernel_filename, kernel_cmdline,
+ initrd_filename, cpu_model, BOARD_PBX_A9);
+}
+
+static QEMUMachine realview_eb_machine = {
+ .name = "realview-eb",
.desc = "ARM RealView Emulation Baseboard (ARM926EJ-S)",
- .init = realview_init,
- .ram_require = 0x1000,
+ .init = realview_eb_init,
.use_scsi = 1,
};
+
+static QEMUMachine realview_eb_mpcore_machine = {
+ .name = "realview-eb-mpcore",
+ .desc = "ARM RealView Emulation Baseboard (ARM11MPCore)",
+ .init = realview_eb_mpcore_init,
+ .use_scsi = 1,
+ .max_cpus = 4,
+};
+
+static QEMUMachine realview_pb_a8_machine = {
+ .name = "realview-pb-a8",
+ .desc = "ARM RealView Platform Baseboard for Cortex-A8",
+ .init = realview_pb_a8_init,
+};
+
+static QEMUMachine realview_pbx_a9_machine = {
+ .name = "realview-pbx-a9",
+ .desc = "ARM RealView Platform Baseboard Explore for Cortex-A9",
+ .init = realview_pbx_a9_init,
+ .use_scsi = 1,
+ .max_cpus = 4,
+};
+
+static void realview_machine_init(void)
+{
+ qemu_register_machine(&realview_eb_machine);
+ qemu_register_machine(&realview_eb_mpcore_machine);
+ qemu_register_machine(&realview_pb_a8_machine);
+ qemu_register_machine(&realview_pbx_a9_machine);
+}
+
+machine_init(realview_machine_init);
+device_init(realview_register_devices)
projects / qemu.git / blobdiff