Add qemu 2.4.0

Change-Id: Ic99cbad4b61f8b127b7dc74d04576c0bcbaaf4f5
Signed-off-by: Yang Zhang <yang.z.zhang@intel.com>

1 files changed, 383 insertions, 0 deletions

diff --git a/qemu/hw/arm/exynos4210.c b/qemu/hw/arm/exynos4210.c
new file mode 100644
index 000000000..c55fab813
--- /dev/null
+++ b/qemu/hw/arm/exynos4210.c
@@ -0,0 +1,383 @@
+/*
+ *  Samsung exynos4210 SoC emulation
+ *
+ *  Copyright (c) 2011 Samsung Electronics Co., Ltd. All rights reserved.
+ *    Maksim Kozlov <m.kozlov@samsung.com>
+ *    Evgeny Voevodin <e.voevodin@samsung.com>
+ *    Igor Mitsyanko  <i.mitsyanko@samsung.com>
+ *
+ *  This program is free software; you can redistribute it and/or modify it
+ *  under the terms of the GNU General Public License as published by the
+ *  Free Software Foundation; either version 2 of the License, or
+ *  (at your option) any later version.
+ *
+ *  This program is distributed in the hope that it will be useful, but WITHOUT
+ *  ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ *  FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
+ *  for more details.
+ *
+ *  You should have received a copy of the GNU General Public License along
+ *  with this program; if not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+#include "hw/boards.h"
+#include "sysemu/sysemu.h"
+#include "hw/sysbus.h"
+#include "hw/arm/arm.h"
+#include "hw/loader.h"
+#include "hw/arm/exynos4210.h"
+#include "hw/usb/hcd-ehci.h"
+
+#define EXYNOS4210_CHIPID_ADDR         0x10000000
+
+/* PWM */
+#define EXYNOS4210_PWM_BASE_ADDR       0x139D0000
+
+/* RTC */
+#define EXYNOS4210_RTC_BASE_ADDR       0x10070000
+
+/* MCT */
+#define EXYNOS4210_MCT_BASE_ADDR       0x10050000
+
+/* I2C */
+#define EXYNOS4210_I2C_SHIFT           0x00010000
+#define EXYNOS4210_I2C_BASE_ADDR       0x13860000
+/* Interrupt Group of External Interrupt Combiner for I2C */
+#define EXYNOS4210_I2C_INTG            27
+#define EXYNOS4210_HDMI_INTG           16
+
+/* UART's definitions */
+#define EXYNOS4210_UART0_BASE_ADDR     0x13800000
+#define EXYNOS4210_UART1_BASE_ADDR     0x13810000
+#define EXYNOS4210_UART2_BASE_ADDR     0x13820000
+#define EXYNOS4210_UART3_BASE_ADDR     0x13830000
+#define EXYNOS4210_UART0_FIFO_SIZE     256
+#define EXYNOS4210_UART1_FIFO_SIZE     64
+#define EXYNOS4210_UART2_FIFO_SIZE     16
+#define EXYNOS4210_UART3_FIFO_SIZE     16
+/* Interrupt Group of External Interrupt Combiner for UART */
+#define EXYNOS4210_UART_INT_GRP        26
+
+/* External GIC */
+#define EXYNOS4210_EXT_GIC_CPU_BASE_ADDR    0x10480000
+#define EXYNOS4210_EXT_GIC_DIST_BASE_ADDR   0x10490000
+
+/* Combiner */
+#define EXYNOS4210_EXT_COMBINER_BASE_ADDR   0x10440000
+#define EXYNOS4210_INT_COMBINER_BASE_ADDR   0x10448000
+
+/* PMU SFR base address */
+#define EXYNOS4210_PMU_BASE_ADDR            0x10020000
+
+/* Display controllers (FIMD) */
+#define EXYNOS4210_FIMD0_BASE_ADDR          0x11C00000
+
+/* EHCI */
+#define EXYNOS4210_EHCI_BASE_ADDR           0x12580000
+
+static uint8_t chipid_and_omr[] = { 0x11, 0x02, 0x21, 0x43,
+                                    0x09, 0x00, 0x00, 0x00 };
+
+static uint64_t exynos4210_chipid_and_omr_read(void *opaque, hwaddr offset,
+                                               unsigned size)
+{
+    assert(offset < sizeof(chipid_and_omr));
+    return chipid_and_omr[offset];
+}
+
+static void exynos4210_chipid_and_omr_write(void *opaque, hwaddr offset,
+                                            uint64_t value, unsigned size)
+{
+    return;
+}
+
+static const MemoryRegionOps exynos4210_chipid_and_omr_ops = {
+    .read = exynos4210_chipid_and_omr_read,
+    .write = exynos4210_chipid_and_omr_write,
+    .endianness = DEVICE_NATIVE_ENDIAN,
+    .impl = {
+        .max_access_size = 1,
+    }
+};
+
+void exynos4210_write_secondary(ARMCPU *cpu,
+        const struct arm_boot_info *info)
+{
+    int n;
+    uint32_t smpboot[] = {
+        0xe59f3034, /* ldr r3, External gic_cpu_if */
+        0xe59f2034, /* ldr r2, Internal gic_cpu_if */
+        0xe59f0034, /* ldr r0, startaddr */
+        0xe3a01001, /* mov r1, #1 */
+        0xe5821000, /* str r1, [r2] */
+        0xe5831000, /* str r1, [r3] */
+        0xe3a010ff, /* mov r1, #0xff */
+        0xe5821004, /* str r1, [r2, #4] */
+        0xe5831004, /* str r1, [r3, #4] */
+        0xf57ff04f, /* dsb */
+        0xe320f003, /* wfi */
+        0xe5901000, /* ldr     r1, [r0] */
+        0xe1110001, /* tst     r1, r1 */
+        0x0afffffb, /* beq     <wfi> */
+        0xe12fff11, /* bx      r1 */
+        EXYNOS4210_EXT_GIC_CPU_BASE_ADDR,
+        0,          /* gic_cpu_if: base address of Internal GIC CPU interface */
+        0           /* bootreg: Boot register address is held here */
+    };
+    smpboot[ARRAY_SIZE(smpboot) - 1] = info->smp_bootreg_addr;
+    smpboot[ARRAY_SIZE(smpboot) - 2] = info->gic_cpu_if_addr;
+    for (n = 0; n < ARRAY_SIZE(smpboot); n++) {
+        smpboot[n] = tswap32(smpboot[n]);
+    }
+    rom_add_blob_fixed("smpboot", smpboot, sizeof(smpboot),
+                       info->smp_loader_start);
+}
+
+Exynos4210State *exynos4210_init(MemoryRegion *system_mem,
+        unsigned long ram_size)
+{
+    int i, n;
+    Exynos4210State *s = g_new(Exynos4210State, 1);
+    qemu_irq gate_irq[EXYNOS4210_NCPUS][EXYNOS4210_IRQ_GATE_NINPUTS];
+    unsigned long mem_size;
+    DeviceState *dev;
+    SysBusDevice *busdev;
+    ObjectClass *cpu_oc;
+
+    cpu_oc = cpu_class_by_name(TYPE_ARM_CPU, "cortex-a9");
+    assert(cpu_oc);
+
+    for (n = 0; n < EXYNOS4210_NCPUS; n++) {
+        Object *cpuobj = object_new(object_class_get_name(cpu_oc));
+        Error *err = NULL;
+
+        /* By default A9 CPUs have EL3 enabled.  This board does not currently
+         * support EL3 so the CPU EL3 property is disabled before realization.
+         */
+        if (object_property_find(cpuobj, "has_el3", NULL)) {
+            object_property_set_bool(cpuobj, false, "has_el3", &err);
+            if (err) {
+                error_report_err(err);
+                exit(1);
+            }
+        }
+
+        s->cpu[n] = ARM_CPU(cpuobj);
+        object_property_set_int(cpuobj, EXYNOS4210_SMP_PRIVATE_BASE_ADDR,
+                                "reset-cbar", &error_abort);
+        object_property_set_bool(cpuobj, true, "realized", &err);
+        if (err) {
+            error_report_err(err);
+            exit(1);
+        }
+    }
+
+    /*** IRQs ***/
+
+    s->irq_table = exynos4210_init_irq(&s->irqs);
+
+    /* IRQ Gate */
+    for (i = 0; i < EXYNOS4210_NCPUS; i++) {
+        dev = qdev_create(NULL, "exynos4210.irq_gate");
+        qdev_prop_set_uint32(dev, "n_in", EXYNOS4210_IRQ_GATE_NINPUTS);
+        qdev_init_nofail(dev);
+        /* Get IRQ Gate input in gate_irq */
+        for (n = 0; n < EXYNOS4210_IRQ_GATE_NINPUTS; n++) {
+            gate_irq[i][n] = qdev_get_gpio_in(dev, n);
+        }
+        busdev = SYS_BUS_DEVICE(dev);
+
+        /* Connect IRQ Gate output to CPU's IRQ line */
+        sysbus_connect_irq(busdev, 0,
+                           qdev_get_gpio_in(DEVICE(s->cpu[i]), ARM_CPU_IRQ));
+    }
+
+    /* Private memory region and Internal GIC */
+    dev = qdev_create(NULL, "a9mpcore_priv");
+    qdev_prop_set_uint32(dev, "num-cpu", EXYNOS4210_NCPUS);
+    qdev_init_nofail(dev);
+    busdev = SYS_BUS_DEVICE(dev);
+    sysbus_mmio_map(busdev, 0, EXYNOS4210_SMP_PRIVATE_BASE_ADDR);
+    for (n = 0; n < EXYNOS4210_NCPUS; n++) {
+        sysbus_connect_irq(busdev, n, gate_irq[n][0]);
+    }
+    for (n = 0; n < EXYNOS4210_INT_GIC_NIRQ; n++) {
+        s->irqs.int_gic_irq[n] = qdev_get_gpio_in(dev, n);
+    }
+
+    /* Cache controller */
+    sysbus_create_simple("l2x0", EXYNOS4210_L2X0_BASE_ADDR, NULL);
+
+    /* External GIC */
+    dev = qdev_create(NULL, "exynos4210.gic");
+    qdev_prop_set_uint32(dev, "num-cpu", EXYNOS4210_NCPUS);
+    qdev_init_nofail(dev);
+    busdev = SYS_BUS_DEVICE(dev);
+    /* Map CPU interface */
+    sysbus_mmio_map(busdev, 0, EXYNOS4210_EXT_GIC_CPU_BASE_ADDR);
+    /* Map Distributer interface */
+    sysbus_mmio_map(busdev, 1, EXYNOS4210_EXT_GIC_DIST_BASE_ADDR);
+    for (n = 0; n < EXYNOS4210_NCPUS; n++) {
+        sysbus_connect_irq(busdev, n, gate_irq[n][1]);
+    }
+    for (n = 0; n < EXYNOS4210_EXT_GIC_NIRQ; n++) {
+        s->irqs.ext_gic_irq[n] = qdev_get_gpio_in(dev, n);
+    }
+
+    /* Internal Interrupt Combiner */
+    dev = qdev_create(NULL, "exynos4210.combiner");
+    qdev_init_nofail(dev);
+    busdev = SYS_BUS_DEVICE(dev);
+    for (n = 0; n < EXYNOS4210_MAX_INT_COMBINER_OUT_IRQ; n++) {
+        sysbus_connect_irq(busdev, n, s->irqs.int_gic_irq[n]);
+    }
+    exynos4210_combiner_get_gpioin(&s->irqs, dev, 0);
+    sysbus_mmio_map(busdev, 0, EXYNOS4210_INT_COMBINER_BASE_ADDR);
+
+    /* External Interrupt Combiner */
+    dev = qdev_create(NULL, "exynos4210.combiner");
+    qdev_prop_set_uint32(dev, "external", 1);
+    qdev_init_nofail(dev);
+    busdev = SYS_BUS_DEVICE(dev);
+    for (n = 0; n < EXYNOS4210_MAX_INT_COMBINER_OUT_IRQ; n++) {
+        sysbus_connect_irq(busdev, n, s->irqs.ext_gic_irq[n]);
+    }
+    exynos4210_combiner_get_gpioin(&s->irqs, dev, 1);
+    sysbus_mmio_map(busdev, 0, EXYNOS4210_EXT_COMBINER_BASE_ADDR);
+
+    /* Initialize board IRQs. */
+    exynos4210_init_board_irqs(&s->irqs);
+
+    /*** Memory ***/
+
+    /* Chip-ID and OMR */
+    memory_region_init_io(&s->chipid_mem, NULL, &exynos4210_chipid_and_omr_ops,
+        NULL, "exynos4210.chipid", sizeof(chipid_and_omr));
+    memory_region_add_subregion(system_mem, EXYNOS4210_CHIPID_ADDR,
+                                &s->chipid_mem);
+
+    /* Internal ROM */
+    memory_region_init_ram(&s->irom_mem, NULL, "exynos4210.irom",
+                           EXYNOS4210_IROM_SIZE, &error_abort);
+    vmstate_register_ram_global(&s->irom_mem);
+    memory_region_set_readonly(&s->irom_mem, true);
+    memory_region_add_subregion(system_mem, EXYNOS4210_IROM_BASE_ADDR,
+                                &s->irom_mem);
+    /* mirror of iROM */
+    memory_region_init_alias(&s->irom_alias_mem, NULL, "exynos4210.irom_alias",
+                             &s->irom_mem,
+                             0,
+                             EXYNOS4210_IROM_SIZE);
+    memory_region_set_readonly(&s->irom_alias_mem, true);
+    memory_region_add_subregion(system_mem, EXYNOS4210_IROM_MIRROR_BASE_ADDR,
+                                &s->irom_alias_mem);
+
+    /* Internal RAM */
+    memory_region_init_ram(&s->iram_mem, NULL, "exynos4210.iram",
+                           EXYNOS4210_IRAM_SIZE, &error_abort);
+    vmstate_register_ram_global(&s->iram_mem);
+    memory_region_add_subregion(system_mem, EXYNOS4210_IRAM_BASE_ADDR,
+                                &s->iram_mem);
+
+    /* DRAM */
+    mem_size = ram_size;
+    if (mem_size > EXYNOS4210_DRAM_MAX_SIZE) {
+        memory_region_init_ram(&s->dram1_mem, NULL, "exynos4210.dram1",
+                mem_size - EXYNOS4210_DRAM_MAX_SIZE, &error_abort);
+        vmstate_register_ram_global(&s->dram1_mem);
+        memory_region_add_subregion(system_mem, EXYNOS4210_DRAM1_BASE_ADDR,
+                &s->dram1_mem);
+        mem_size = EXYNOS4210_DRAM_MAX_SIZE;
+    }
+    memory_region_init_ram(&s->dram0_mem, NULL, "exynos4210.dram0", mem_size,
+                           &error_abort);
+    vmstate_register_ram_global(&s->dram0_mem);
+    memory_region_add_subregion(system_mem, EXYNOS4210_DRAM0_BASE_ADDR,
+            &s->dram0_mem);
+
+   /* PMU.
+    * The only reason of existence at the moment is that secondary CPU boot
+    * loader uses PMU INFORM5 register as a holding pen.
+    */
+    sysbus_create_simple("exynos4210.pmu", EXYNOS4210_PMU_BASE_ADDR, NULL);
+
+    /* PWM */
+    sysbus_create_varargs("exynos4210.pwm", EXYNOS4210_PWM_BASE_ADDR,
+                          s->irq_table[exynos4210_get_irq(22, 0)],
+                          s->irq_table[exynos4210_get_irq(22, 1)],
+                          s->irq_table[exynos4210_get_irq(22, 2)],
+                          s->irq_table[exynos4210_get_irq(22, 3)],
+                          s->irq_table[exynos4210_get_irq(22, 4)],
+                          NULL);
+    /* RTC */
+    sysbus_create_varargs("exynos4210.rtc", EXYNOS4210_RTC_BASE_ADDR,
+                          s->irq_table[exynos4210_get_irq(23, 0)],
+                          s->irq_table[exynos4210_get_irq(23, 1)],
+                          NULL);
+
+    /* Multi Core Timer */
+    dev = qdev_create(NULL, "exynos4210.mct");
+    qdev_init_nofail(dev);
+    busdev = SYS_BUS_DEVICE(dev);
+    for (n = 0; n < 4; n++) {
+        /* Connect global timer interrupts to Combiner gpio_in */
+        sysbus_connect_irq(busdev, n,
+                s->irq_table[exynos4210_get_irq(1, 4 + n)]);
+    }
+    /* Connect local timer interrupts to Combiner gpio_in */
+    sysbus_connect_irq(busdev, 4,
+            s->irq_table[exynos4210_get_irq(51, 0)]);
+    sysbus_connect_irq(busdev, 5,
+            s->irq_table[exynos4210_get_irq(35, 3)]);
+    sysbus_mmio_map(busdev, 0, EXYNOS4210_MCT_BASE_ADDR);
+
+    /*** I2C ***/
+    for (n = 0; n < EXYNOS4210_I2C_NUMBER; n++) {
+        uint32_t addr = EXYNOS4210_I2C_BASE_ADDR + EXYNOS4210_I2C_SHIFT * n;
+        qemu_irq i2c_irq;
+
+        if (n < 8) {
+            i2c_irq = s->irq_table[exynos4210_get_irq(EXYNOS4210_I2C_INTG, n)];
+        } else {
+            i2c_irq = s->irq_table[exynos4210_get_irq(EXYNOS4210_HDMI_INTG, 1)];
+        }
+
+        dev = qdev_create(NULL, "exynos4210.i2c");
+        qdev_init_nofail(dev);
+        busdev = SYS_BUS_DEVICE(dev);
+        sysbus_connect_irq(busdev, 0, i2c_irq);
+        sysbus_mmio_map(busdev, 0, addr);
+        s->i2c_if[n] = (I2CBus *)qdev_get_child_bus(dev, "i2c");
+    }
+
+
+    /*** UARTs ***/
+    exynos4210_uart_create(EXYNOS4210_UART0_BASE_ADDR,
+                           EXYNOS4210_UART0_FIFO_SIZE, 0, NULL,
+                  s->irq_table[exynos4210_get_irq(EXYNOS4210_UART_INT_GRP, 0)]);
+
+    exynos4210_uart_create(EXYNOS4210_UART1_BASE_ADDR,
+                           EXYNOS4210_UART1_FIFO_SIZE, 1, NULL,
+                  s->irq_table[exynos4210_get_irq(EXYNOS4210_UART_INT_GRP, 1)]);
+
+    exynos4210_uart_create(EXYNOS4210_UART2_BASE_ADDR,
+                           EXYNOS4210_UART2_FIFO_SIZE, 2, NULL,
+                  s->irq_table[exynos4210_get_irq(EXYNOS4210_UART_INT_GRP, 2)]);
+
+    exynos4210_uart_create(EXYNOS4210_UART3_BASE_ADDR,
+                           EXYNOS4210_UART3_FIFO_SIZE, 3, NULL,
+                  s->irq_table[exynos4210_get_irq(EXYNOS4210_UART_INT_GRP, 3)]);
+
+    /*** Display controller (FIMD) ***/
+    sysbus_create_varargs("exynos4210.fimd", EXYNOS4210_FIMD0_BASE_ADDR,
+            s->irq_table[exynos4210_get_irq(11, 0)],
+            s->irq_table[exynos4210_get_irq(11, 1)],
+            s->irq_table[exynos4210_get_irq(11, 2)],
+            NULL);
+
+    sysbus_create_simple(TYPE_EXYNOS4210_EHCI, EXYNOS4210_EHCI_BASE_ADDR,
+            s->irq_table[exynos4210_get_irq(28, 3)]);
+
+    return s;
+}