ARM: Samsung exynos4210-based boards emulation

Add initial support of NURI and SMDKC210 boards

Signed-off-by: Evgeny Voevodin <e.voevodin@samsung.com>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This commit is contained in:
Evgeny Voevodin 2012-02-16 09:56:05 +00:00 committed by Peter Maydell
parent 8e03cf1eeb
commit 0caa711335
4 changed files with 386 additions and 1 deletions

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@ -344,7 +344,8 @@ 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_gic.o exynos4210_combiner.o
obj-arm-y += exynos4210_gic.o exynos4210_combiner.o exynos4210.o
obj-arm-y += exynos4_boards.o
obj-arm-y += arm_l2x0.o
obj-arm-y += arm_mptimer.o
obj-arm-y += armv7m.o armv7m_nvic.o stellaris.o pl022.o stellaris_enet.o

191
hw/exynos4210.c Normal file
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@ -0,0 +1,191 @@
/*
* 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 "boards.h"
#include "sysemu.h"
#include "sysbus.h"
#include "arm-misc.h"
#include "exynos4210.h"
#define EXYNOS4210_CHIPID_ADDR 0x10000000
/* 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
static uint8_t chipid_and_omr[] = { 0x11, 0x02, 0x21, 0x43,
0x09, 0x00, 0x00, 0x00 };
Exynos4210State *exynos4210_init(MemoryRegion *system_mem,
unsigned long ram_size)
{
qemu_irq cpu_irq[4];
int n;
Exynos4210State *s = g_new(Exynos4210State, 1);
qemu_irq *irqp;
qemu_irq gate_irq[EXYNOS4210_IRQ_GATE_NINPUTS];
unsigned long mem_size;
DeviceState *dev;
SysBusDevice *busdev;
for (n = 0; n < EXYNOS4210_NCPUS; n++) {
s->env[n] = cpu_init("cortex-a9");
if (!s->env[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->env[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 */
dev = qdev_create(NULL, "exynos4210.irq_gate");
qdev_init_nofail(dev);
/* Get IRQ Gate input in gate_irq */
for (n = 0; n < EXYNOS4210_IRQ_GATE_NINPUTS; n++) {
gate_irq[n] = qdev_get_gpio_in(dev, n);
}
busdev = sysbus_from_qdev(dev);
/* Connect IRQ Gate output to cpu_irq */
for (n = 0; n < EXYNOS4210_NCPUS; n++) {
sysbus_connect_irq(busdev, n, cpu_irq[n]);
}
/* 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 = sysbus_from_qdev(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 * 2]);
}
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 = sysbus_from_qdev(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 * 2 + 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 = sysbus_from_qdev(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 = sysbus_from_qdev(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,
EXYNOS4210_IROM_BASE_ADDR,
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);
return s;
}

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@ -31,6 +31,28 @@
#define EXYNOS4210_NCPUS 2
#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 */
/* Secondary CPU startup code is in IROM memory */
#define EXYNOS4210_SMP_BOOT_ADDR EXYNOS4210_IROM_BASE_ADDR
#define EXYNOS4210_SMP_BOOT_SIZE 0x1000
#define EXYNOS4210_BASE_BOOT_ADDR EXYNOS4210_DRAM0_BASE_ADDR
/* Secondary CPU polling address to get loader start from */
#define EXYNOS4210_SECOND_CPU_BOOTREG 0x10020814
#define EXYNOS4210_SMP_PRIVATE_BASE_ADDR 0x10500000
#define EXYNOS4210_L2X0_BASE_ADDR 0x10502000
/*
* exynos4210 IRQ subsystem stub definitions.
*/
@ -60,6 +82,24 @@ typedef struct Exynos4210Irq {
qemu_irq board_irqs[EXYNOS4210_MAX_INT_COMBINER_IN_IRQ];
} Exynos4210Irq;
typedef struct Exynos4210State {
CPUState * env[EXYNOS4210_NCPUS];
Exynos4210Irq irqs;
qemu_irq *irq_table;
MemoryRegion chipid_mem;
MemoryRegion iram_mem;
MemoryRegion irom_mem;
MemoryRegion irom_alias_mem;
MemoryRegion dram0_mem;
MemoryRegion dram1_mem;
MemoryRegion boot_secondary;
MemoryRegion bootreg_mem;
} Exynos4210State;
Exynos4210State *exynos4210_init(MemoryRegion *system_mem,
unsigned long ram_size);
/* Initialize exynos4210 IRQ subsystem stub */
qemu_irq *exynos4210_init_irq(Exynos4210Irq *env);

153
hw/exynos4_boards.c Normal file
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@ -0,0 +1,153 @@
/*
* Samsung exynos4 SoC based boards 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 "sysemu.h"
#include "sysbus.h"
#include "arm-misc.h"
#include "exec-memory.h"
#include "exynos4210.h"
#include "boards.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
typedef enum Exynos4BoardType {
EXYNOS4_BOARD_NURI,
EXYNOS4_BOARD_SMDKC210,
EXYNOS4_NUM_OF_BOARDS
} Exynos4BoardType;
static int exynos4_board_id[EXYNOS4_NUM_OF_BOARDS] = {
[EXYNOS4_BOARD_NURI] = 0xD33,
[EXYNOS4_BOARD_SMDKC210] = 0xB16,
};
static int exynos4_board_smp_bootreg_addr[EXYNOS4_NUM_OF_BOARDS] = {
[EXYNOS4_BOARD_NURI] = EXYNOS4210_SECOND_CPU_BOOTREG,
[EXYNOS4_BOARD_SMDKC210] = EXYNOS4210_SECOND_CPU_BOOTREG,
};
static unsigned long exynos4_board_ram_size[EXYNOS4_NUM_OF_BOARDS] = {
[EXYNOS4_BOARD_NURI] = 0x40000000,
[EXYNOS4_BOARD_SMDKC210] = 0x40000000,
};
static struct arm_boot_info exynos4_board_binfo = {
.loader_start = EXYNOS4210_BASE_BOOT_ADDR,
.smp_loader_start = EXYNOS4210_SMP_BOOT_ADDR,
.nb_cpus = EXYNOS4210_NCPUS,
};
static QEMUMachine exynos4_machines[EXYNOS4_NUM_OF_BOARDS];
static Exynos4210State *exynos4_boards_init_common(
const char *kernel_filename,
const char *kernel_cmdline,
const char *initrd_filename,
Exynos4BoardType board_type)
{
if (smp_cpus != EXYNOS4210_NCPUS) {
fprintf(stderr, "%s board supports only %d CPU cores. Ignoring smp_cpus"
" value.\n",
exynos4_machines[board_type].name,
exynos4_machines[board_type].max_cpus);
}
exynos4_board_binfo.ram_size = exynos4_board_ram_size[board_type];
exynos4_board_binfo.board_id = exynos4_board_id[board_type];
exynos4_board_binfo.smp_bootreg_addr =
exynos4_board_smp_bootreg_addr[board_type];
exynos4_board_binfo.kernel_filename = kernel_filename;
exynos4_board_binfo.initrd_filename = initrd_filename;
exynos4_board_binfo.kernel_cmdline = kernel_cmdline;
exynos4_board_binfo.smp_priv_base = EXYNOS4210_SMP_PRIVATE_BASE_ADDR;
PRINT_DEBUG("\n ram_size: %luMiB [0x%08lx]\n"
" kernel_filename: %s\n"
" kernel_cmdline: %s\n"
" initrd_filename: %s\n",
exynos4_board_ram_size[board_type] / 1048576,
exynos4_board_ram_size[board_type],
kernel_filename,
kernel_cmdline,
initrd_filename);
return exynos4210_init(get_system_memory(),
exynos4_board_ram_size[board_type]);
}
static void 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)
{
exynos4_boards_init_common(kernel_filename, kernel_cmdline,
initrd_filename, EXYNOS4_BOARD_NURI);
arm_load_kernel(first_cpu, &exynos4_board_binfo);
}
static void 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)
{
exynos4_boards_init_common(kernel_filename, kernel_cmdline,
initrd_filename, EXYNOS4_BOARD_SMDKC210);
arm_load_kernel(first_cpu, &exynos4_board_binfo);
}
static QEMUMachine exynos4_machines[EXYNOS4_NUM_OF_BOARDS] = {
[EXYNOS4_BOARD_NURI] = {
.name = "nuri",
.desc = "Samsung NURI board (Exynos4210)",
.init = nuri_init,
.max_cpus = EXYNOS4210_NCPUS,
},
[EXYNOS4_BOARD_SMDKC210] = {
.name = "smdkc210",
.desc = "Samsung SMDKC210 board (Exynos4210)",
.init = smdkc210_init,
.max_cpus = EXYNOS4210_NCPUS,
},
};
static void exynos4_machine_init(void)
{
qemu_register_machine(&exynos4_machines[EXYNOS4_BOARD_NURI]);
qemu_register_machine(&exynos4_machines[EXYNOS4_BOARD_SMDKC210]);
}
machine_init(exynos4_machine_init);