[Qemu-devel] [PATCH 01/15] ARM: Samsung exynos421 0-based boards emulation

[Evgeny Voevodin]

From: Maksim Kozlov <address@hidden>

Add initial code for support of NURI and SMDKC210 boards

Signed-off-by: Evgeny Voevodin <address@hidden>
---
 Makefile.target |    1 +
 hw/exynos4210.c |  224 +++++++++++++++++++++++++++++++++++++++++++++++++++++++
 hw/exynos4210.h |   34 ++++++++
 3 files changed, 259 insertions(+), 0 deletions(-)
 create mode 100644 hw/exynos4210.c
 create mode 100644 hw/exynos4210.h

diff --git a/Makefile.target b/Makefile.target
index a111521..624a142 100644
--- a/Makefile.target
+++ b/Makefile.target
@@ -344,6 +344,7 @@ obj-arm-y = integratorcp.o versatilepb.o arm_pic.o 
arm_timer.o
 obj-arm-y += arm_boot.o pl011.o pl031.o pl050.o pl080.o pl110.o pl181.o pl190.o
 obj-arm-y += versatile_pci.o
 obj-arm-y += realview_gic.o realview.o arm_sysctl.o arm11mpcore.o a9mpcore.o
+obj-arm-y += exynos4210.o
 obj-arm-y += armv7m.o armv7m_nvic.o stellaris.o pl022.o stellaris_enet.o
 obj-arm-y += pl061.o
 obj-arm-y += arm-semi.o
diff --git a/hw/exynos4210.c b/hw/exynos4210.c
new file mode 100644
index 0000000..1550016
--- /dev/null
+++ b/hw/exynos4210.c
@@ -0,0 +1,224 @@
+/*
+ *  Samsung exynos4210-based boards emulation
+ *
+ *  Copyright (c) 2011 Samsung Electronics Co., Ltd. All rights reserved.
+ *    Maksim Kozlov <address@hidden>
+ *    Evgeny Voevodin <address@hidden>
+ *    Igor Mitsyanko  <address@hidden>
+ *
+ *  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, write to the Free Software Foundation, Inc., 51
+ *  Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ *
+ */
+
+#include "boards.h"
+#include "sysemu.h"
+#include "sysbus.h"
+#include "arm-misc.h"
+#include "exec-memory.h"
+#include "exynos4210.h"
+
+#undef DEBUG
+
+//#define DEBUG
+
+#ifdef DEBUG
+    #undef PRINT_DEBUG
+    #define  PRINT_DEBUG(fmt, args...) \
+        do { \
+            fprintf(stderr, "  [%s:%d]   "fmt, __func__, __LINE__, ##args); \
+        } while (0)
+#else
+    #define  PRINT_DEBUG(fmt, args...) \
+        do {} while (0)
+#endif
+
+#define EXYNOS4210_DRAM0_BASE_ADDR          0x40000000
+#define EXYNOS4210_DRAM1_BASE_ADDR          0xa0000000
+#define EXYNOS4210_DRAM_MAX_SIZE            0x60000000  /* 1.5 GB */
+
+#define EXYNOS4210_IROM_BASE_ADDR           0x00000000
+#define EXYNOS4210_IROM_SIZE                0x00010000  /* 64 KB */
+#define EXYNOS4210_IROM_MIRROR_BASE_ADDR    0x02000000
+#define EXYNOS4210_IROM_MIRROR_SIZE         0x00010000  /* 64 KB */
+
+#define EXYNOS4210_IRAM_BASE_ADDR           0x02020000
+#define EXYNOS4210_IRAM_SIZE                0x00020000  /* 128 KB */
+
+#define EXYNOS4210_SFR_BASE_ADDR            0x10000000
+
+#define EXYNOS4210_BASE_BOOT_ADDR           EXYNOS4210_DRAM0_BASE_ADDR
+
+static struct arm_boot_info exynos4210_binfo = {
+        .loader_start     = EXYNOS4210_BASE_BOOT_ADDR,
+};
+
+static uint8_t chipid_and_omr[] = { 0x11, 0x02, 0x21, 0x43,
+                                    0x09, 0x00, 0x00, 0x00 };
+
+enum exynos4210_board_type {
+    BOARD_EXYNOS4210_NURI,
+    BOARD_EXYNOS4210_SMDKC210,
+};
+
+enum exynos4210_mach_id {
+    MACH_NURI_ID     = 0xD33,
+    MACH_SMDKC210_ID = 0xB16,
+};
+
+
+static void exynos4210_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,
+        enum exynos4210_board_type board_type)
+{
+    CPUState *env;
+    MemoryRegion *system_mem = get_system_memory();
+    MemoryRegion *chipid_mem = g_new(MemoryRegion, 1);
+    MemoryRegion *iram_mem = g_new(MemoryRegion, 1);
+    MemoryRegion *irom_mem = g_new(MemoryRegion, 1);
+    MemoryRegion *irom_alias_mem = g_new(MemoryRegion, 1);
+    MemoryRegion *dram0_mem = g_new(MemoryRegion, 1);
+    MemoryRegion *dram1_mem = NULL;
+    qemu_irq *irqp;
+    qemu_irq cpu_irq[4];
+    ram_addr_t mem_size;
+    int n;
+
+    switch (board_type) {
+    case BOARD_EXYNOS4210_NURI:
+        exynos4210_binfo.board_id      = MACH_NURI_ID;
+    break;
+    case BOARD_EXYNOS4210_SMDKC210:
+        exynos4210_binfo.board_id = MACH_SMDKC210_ID;
+    break;
+    default:
+    break;
+    }
+    if (!cpu_model) {
+        cpu_model = "cortex-a9";
+    }
+
+    for (n = 0; n < smp_cpus; n++) {
+        env = cpu_init(cpu_model);
+        if (!env) {
+            fprintf(stderr, "Unable to find CPU %d definition\n", n);
+            exit(1);
+        }
+        /* Create PIC controller for each processor instance */
+        irqp = arm_pic_init_cpu(env);
+
+        /*
+         * 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];
+    }
+
+    /*** Memory ***/
+
+    /* Chip-ID and OMR */
+    memory_region_init_ram_ptr(chipid_mem, NULL, "exynos4210.chipid",
+            sizeof(chipid_and_omr), chipid_and_omr);
+    memory_region_set_readonly(chipid_mem, true);
+    memory_region_add_subregion(system_mem, EXYNOS4210_SFR_BASE_ADDR,
+                                chipid_mem);
+
+    /* Internal ROM */
+    memory_region_init_ram(irom_mem, NULL, "exynos4210.irom",
+                           EXYNOS4210_IROM_SIZE);
+    memory_region_set_readonly(irom_mem, true);
+    memory_region_add_subregion(system_mem, EXYNOS4210_IROM_BASE_ADDR,
+                                irom_mem);
+    /* mirror of 0x0 – 0x10000 */
+    memory_region_init_alias(irom_alias_mem, "exynos4210.irom_alias",
+            irom_mem, 0, EXYNOS4210_IROM_SIZE);
+    memory_region_set_readonly(irom_alias_mem, true);
+    memory_region_add_subregion(system_mem, EXYNOS4210_IROM_MIRROR_BASE_ADDR,
+            irom_alias_mem);
+
+    /* Internal RAM */
+    memory_region_init_ram(iram_mem, NULL, "exynos4210.iram",
+                           EXYNOS4210_IRAM_SIZE);
+    memory_region_set_readonly(iram_mem, false);
+    memory_region_add_subregion(system_mem, EXYNOS4210_IRAM_BASE_ADDR,
+                                iram_mem);
+
+    /* DRAM */
+    mem_size = ram_size;
+    if (mem_size > EXYNOS4210_DRAM_MAX_SIZE) {
+        dram1_mem = g_new(MemoryRegion, 1);
+        memory_region_init_ram(dram1_mem, NULL, "exynos4210.dram1",
+                mem_size - EXYNOS4210_DRAM_MAX_SIZE);
+        memory_region_add_subregion(system_mem, EXYNOS4210_DRAM1_BASE_ADDR,
+                dram1_mem);
+        mem_size = EXYNOS4210_DRAM_MAX_SIZE;
+    }
+    memory_region_init_ram(dram0_mem, NULL, "exynos4210.dram0", mem_size);
+    memory_region_add_subregion(system_mem, EXYNOS4210_DRAM0_BASE_ADDR,
+            dram0_mem);
+
+    /*** Load kernel ***/
+
+    exynos4210_binfo.ram_size = ram_size;
+    exynos4210_binfo.nb_cpus = smp_cpus;
+    exynos4210_binfo.kernel_filename = kernel_filename;
+    exynos4210_binfo.initrd_filename = initrd_filename;
+    exynos4210_binfo.kernel_cmdline = kernel_cmdline;
+
+    arm_load_kernel(first_cpu, &exynos4210_binfo);
+}
+
+static void exynos4210_nuri_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)
+{
+    exynos4210_init(ram_size, boot_device, kernel_filename, kernel_cmdline,
+            initrd_filename, cpu_model, BOARD_EXYNOS4210_NURI);
+}
+
+static void exynos4210_smdkc210_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)
+{
+    exynos4210_init(ram_size, boot_device, kernel_filename, kernel_cmdline,
+            initrd_filename, cpu_model, BOARD_EXYNOS4210_SMDKC210);
+}
+
+static QEMUMachine exynos4210_nuri_machine = {
+        .name = "exynos4210-nuri",
+        .desc = "Samsung Exynos4210 NURI board",
+        .init = exynos4210_nuri_init,
+        .max_cpus = EXYNOS4210_MAX_CPUS,
+};
+
+static QEMUMachine exynos4210_smdkc210_machine = {
+        .name = "exynos4210-smdkc210",
+        .desc = "Samsung Exynos4210 SMDKC210 board",
+        .init = exynos4210_smdkc210_init,
+        .max_cpus = EXYNOS4210_MAX_CPUS,
+};
+
+static void exynos4210_machine_init(void)
+{
+    qemu_register_machine(&exynos4210_nuri_machine);
+    qemu_register_machine(&exynos4210_smdkc210_machine);
+}
+
+machine_init(exynos4210_machine_init);
diff --git a/hw/exynos4210.h b/hw/exynos4210.h
new file mode 100644
index 0000000..7137630
--- /dev/null
+++ b/hw/exynos4210.h
@@ -0,0 +1,34 @@
+/*
+ *  Samsung exynos4210-based boards emulation
+ *
+ *  Copyright (c) 2011 Samsung Electronics Co., Ltd. All rights reserved.
+ *    Maksim Kozlov <address@hidden>
+ *    Evgeny Voevodin <address@hidden>
+ *    Igor Mitsyanko <address@hidden>
+ *
+ *
+ *  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, write to the Free Software Foundation, Inc., 51
+ *  Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ *
+ */
+
+
+#ifndef EXYNOS4210_H_
+#define EXYNOS4210_H_
+
+#include "qemu-common.h"
+
+#define EXYNOS4210_MAX_CPUS                2
+
+#endif /* EXYNOS4210_H_ */
-- 
1.7.4.1