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Diffstat (limited to 'src/include/hw/arm/exynos4210.h')
| -rw-r--r-- | src/include/hw/arm/exynos4210.h | 137 |
1 files changed, 137 insertions, 0 deletions
diff --git a/src/include/hw/arm/exynos4210.h b/src/include/hw/arm/exynos4210.h new file mode 100644 index 0000000..5c1820f --- /dev/null +++ b/src/include/hw/arm/exynos4210.h @@ -0,0 +1,137 @@ +/* + * 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" + +#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, + CharDriverState *chr, + qemu_irq irq); + +#endif /* EXYNOS4210_H_ */ |
