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-rw-r--r--hw/arm/exynos4210.c349
1 files changed, 349 insertions, 0 deletions
diff --git a/hw/arm/exynos4210.c b/hw/arm/exynos4210.c
new file mode 100644
index 0000000000..4592514bb2
--- /dev/null
+++ b/hw/arm/exynos4210.c
@@ -0,0 +1,349 @@
+/*
+ * 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-misc.h"
+#include "hw/loader.h"
+#include "hw/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 };
+
+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)
+{
+ qemu_irq cpu_irq[EXYNOS4210_NCPUS];
+ int i, n;
+ Exynos4210State *s = g_new(Exynos4210State, 1);
+ qemu_irq *irqp;
+ qemu_irq gate_irq[EXYNOS4210_NCPUS][EXYNOS4210_IRQ_GATE_NINPUTS];
+ unsigned long mem_size;
+ DeviceState *dev;
+ SysBusDevice *busdev;
+
+ for (n = 0; n < EXYNOS4210_NCPUS; n++) {
+ s->cpu[n] = cpu_arm_init("cortex-a9");
+ if (!s->cpu[n]) {
+ fprintf(stderr, "Unable to find CPU %d definition\n", n);
+ exit(1);
+ }
+
+ /* Create PIC controller for each processor instance */
+ irqp = arm_pic_init_cpu(s->cpu[n]);
+
+ /*
+ * Get GICs gpio_in cpu_irq to connect a combiner to them later.
+ * Use only IRQ for a while.
+ */
+ cpu_irq[n] = irqp[ARM_PIC_CPU_IRQ];
+ }
+
+ /*** 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_irq */
+ sysbus_connect_irq(busdev, 0, cpu_irq[i]);
+ }
+
+ /* 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_ram_ptr(&s->chipid_mem, "exynos4210.chipid",
+ sizeof(chipid_and_omr), chipid_and_omr);
+ memory_region_set_readonly(&s->chipid_mem, true);
+ memory_region_add_subregion(system_mem, EXYNOS4210_CHIPID_ADDR,
+ &s->chipid_mem);
+
+ /* Internal ROM */
+ memory_region_init_ram(&s->irom_mem, "exynos4210.irom",
+ EXYNOS4210_IROM_SIZE);
+ 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, "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, "exynos4210.iram",
+ EXYNOS4210_IRAM_SIZE);
+ 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, "exynos4210.dram1",
+ mem_size - EXYNOS4210_DRAM_MAX_SIZE);
+ 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, "exynos4210.dram0", mem_size);
+ 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] = (i2c_bus *)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;
+}
generated by cgit v1.2.3 (git 2.26.2) at 2024-12-24 20:25:00 +0000