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/*
* 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/>.
*
*/
#ifndef EXYNOS4210_H
#define EXYNOS4210_H
#include "qemu-common.h"
#include "exec/memory.h"
#include "target/arm/cpu-qom.h"
#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.
*/
#define EXYNOS4210_IRQ_GATE_NINPUTS 2 /* Internal and External GIC */
#define EXYNOS4210_MAX_INT_COMBINER_OUT_IRQ 64
#define EXYNOS4210_MAX_EXT_COMBINER_OUT_IRQ 16
#define EXYNOS4210_MAX_INT_COMBINER_IN_IRQ \
(EXYNOS4210_MAX_INT_COMBINER_OUT_IRQ * 8)
#define EXYNOS4210_MAX_EXT_COMBINER_IN_IRQ \
(EXYNOS4210_MAX_EXT_COMBINER_OUT_IRQ * 8)
#define EXYNOS4210_COMBINER_GET_IRQ_NUM(grp, bit) ((grp)*8 + (bit))
#define EXYNOS4210_COMBINER_GET_GRP_NUM(irq) ((irq) / 8)
#define EXYNOS4210_COMBINER_GET_BIT_NUM(irq) \
((irq) - 8 * EXYNOS4210_COMBINER_GET_GRP_NUM(irq))
/* IRQs number for external and internal GIC */
#define EXYNOS4210_EXT_GIC_NIRQ (160-32)
#define EXYNOS4210_INT_GIC_NIRQ 64
#define EXYNOS4210_I2C_NUMBER 9
typedef struct Exynos4210Irq {
qemu_irq int_combiner_irq[EXYNOS4210_MAX_INT_COMBINER_IN_IRQ];
qemu_irq ext_combiner_irq[EXYNOS4210_MAX_EXT_COMBINER_IN_IRQ];
qemu_irq int_gic_irq[EXYNOS4210_INT_GIC_NIRQ];
qemu_irq ext_gic_irq[EXYNOS4210_EXT_GIC_NIRQ];
qemu_irq board_irqs[EXYNOS4210_MAX_INT_COMBINER_IN_IRQ];
} Exynos4210Irq;
typedef struct Exynos4210State {
ARMCPU *cpu[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;
I2CBus *i2c_if[EXYNOS4210_I2C_NUMBER];
} Exynos4210State;
void exynos4210_write_secondary(ARMCPU *cpu,
const struct arm_boot_info *info);
Exynos4210State *exynos4210_init(MemoryRegion *system_mem,
unsigned long ram_size);
/* Initialize exynos4210 IRQ subsystem stub */
qemu_irq *exynos4210_init_irq(Exynos4210Irq *env);
/* Initialize board IRQs.
* These IRQs contain splitted Int/External Combiner and External Gic IRQs */
void exynos4210_init_board_irqs(Exynos4210Irq *s);
/* Get IRQ number from exynos4210 IRQ subsystem stub.
* To identify IRQ source use internal combiner group and bit number
* grp - group number
* bit - bit number inside group */
uint32_t exynos4210_get_irq(uint32_t grp, uint32_t bit);
/*
* Get Combiner input GPIO into irqs structure
*/
void exynos4210_combiner_get_gpioin(Exynos4210Irq *irqs, DeviceState *dev,
int ext);
/*
* exynos4210 UART
*/
DeviceState *exynos4210_uart_create(hwaddr addr,
int fifo_size,
int channel,
Chardev *chr,
qemu_irq irq);
#endif /* EXYNOS4210_H */
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