1 /* 2 * Samsung exynos4210 SoC emulation 3 * 4 * Copyright (c) 2011 Samsung Electronics Co., Ltd. All rights reserved. 5 * Maksim Kozlov <m.kozlov@samsung.com> 6 * Evgeny Voevodin <e.voevodin@samsung.com> 7 * Igor Mitsyanko <i.mitsyanko@samsung.com> 8 * 9 * 10 * This program is free software; you can redistribute it and/or modify it 11 * under the terms of the GNU General Public License as published by the 12 * Free Software Foundation; either version 2 of the License, or 13 * (at your option) any later version. 14 * 15 * This program is distributed in the hope that it will be useful, but WITHOUT 16 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 17 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 18 * for more details. 19 * 20 * You should have received a copy of the GNU General Public License along 21 * with this program; if not, see <http://www.gnu.org/licenses/>. 22 * 23 */ 24 25 26 #ifndef EXYNOS4210_H_ 27 #define EXYNOS4210_H_ 28 29 #include "qemu-common.h" 30 #include "exec/memory.h" 31 32 #define EXYNOS4210_NCPUS 2 33 34 #define EXYNOS4210_DRAM0_BASE_ADDR 0x40000000 35 #define EXYNOS4210_DRAM1_BASE_ADDR 0xa0000000 36 #define EXYNOS4210_DRAM_MAX_SIZE 0x60000000 /* 1.5 GB */ 37 38 #define EXYNOS4210_IROM_BASE_ADDR 0x00000000 39 #define EXYNOS4210_IROM_SIZE 0x00010000 /* 64 KB */ 40 #define EXYNOS4210_IROM_MIRROR_BASE_ADDR 0x02000000 41 #define EXYNOS4210_IROM_MIRROR_SIZE 0x00010000 /* 64 KB */ 42 43 #define EXYNOS4210_IRAM_BASE_ADDR 0x02020000 44 #define EXYNOS4210_IRAM_SIZE 0x00020000 /* 128 KB */ 45 46 /* Secondary CPU startup code is in IROM memory */ 47 #define EXYNOS4210_SMP_BOOT_ADDR EXYNOS4210_IROM_BASE_ADDR 48 #define EXYNOS4210_SMP_BOOT_SIZE 0x1000 49 #define EXYNOS4210_BASE_BOOT_ADDR EXYNOS4210_DRAM0_BASE_ADDR 50 /* Secondary CPU polling address to get loader start from */ 51 #define EXYNOS4210_SECOND_CPU_BOOTREG 0x10020814 52 53 #define EXYNOS4210_SMP_PRIVATE_BASE_ADDR 0x10500000 54 #define EXYNOS4210_L2X0_BASE_ADDR 0x10502000 55 56 /* 57 * exynos4210 IRQ subsystem stub definitions. 58 */ 59 #define EXYNOS4210_IRQ_GATE_NINPUTS 2 /* Internal and External GIC */ 60 61 #define EXYNOS4210_MAX_INT_COMBINER_OUT_IRQ 64 62 #define EXYNOS4210_MAX_EXT_COMBINER_OUT_IRQ 16 63 #define EXYNOS4210_MAX_INT_COMBINER_IN_IRQ \ 64 (EXYNOS4210_MAX_INT_COMBINER_OUT_IRQ * 8) 65 #define EXYNOS4210_MAX_EXT_COMBINER_IN_IRQ \ 66 (EXYNOS4210_MAX_EXT_COMBINER_OUT_IRQ * 8) 67 68 #define EXYNOS4210_COMBINER_GET_IRQ_NUM(grp, bit) ((grp)*8 + (bit)) 69 #define EXYNOS4210_COMBINER_GET_GRP_NUM(irq) ((irq) / 8) 70 #define EXYNOS4210_COMBINER_GET_BIT_NUM(irq) \ 71 ((irq) - 8 * EXYNOS4210_COMBINER_GET_GRP_NUM(irq)) 72 73 /* IRQs number for external and internal GIC */ 74 #define EXYNOS4210_EXT_GIC_NIRQ (160-32) 75 #define EXYNOS4210_INT_GIC_NIRQ 64 76 77 #define EXYNOS4210_I2C_NUMBER 9 78 79 typedef struct Exynos4210Irq { 80 qemu_irq int_combiner_irq[EXYNOS4210_MAX_INT_COMBINER_IN_IRQ]; 81 qemu_irq ext_combiner_irq[EXYNOS4210_MAX_EXT_COMBINER_IN_IRQ]; 82 qemu_irq int_gic_irq[EXYNOS4210_INT_GIC_NIRQ]; 83 qemu_irq ext_gic_irq[EXYNOS4210_EXT_GIC_NIRQ]; 84 qemu_irq board_irqs[EXYNOS4210_MAX_INT_COMBINER_IN_IRQ]; 85 } Exynos4210Irq; 86 87 typedef struct Exynos4210State { 88 ARMCPU *cpu[EXYNOS4210_NCPUS]; 89 Exynos4210Irq irqs; 90 qemu_irq *irq_table; 91 92 MemoryRegion chipid_mem; 93 MemoryRegion iram_mem; 94 MemoryRegion irom_mem; 95 MemoryRegion irom_alias_mem; 96 MemoryRegion dram0_mem; 97 MemoryRegion dram1_mem; 98 MemoryRegion boot_secondary; 99 MemoryRegion bootreg_mem; 100 I2CBus *i2c_if[EXYNOS4210_I2C_NUMBER]; 101 } Exynos4210State; 102 103 void exynos4210_write_secondary(ARMCPU *cpu, 104 const struct arm_boot_info *info); 105 106 Exynos4210State *exynos4210_init(MemoryRegion *system_mem, 107 unsigned long ram_size); 108 109 /* Initialize exynos4210 IRQ subsystem stub */ 110 qemu_irq *exynos4210_init_irq(Exynos4210Irq *env); 111 112 /* Initialize board IRQs. 113 * These IRQs contain splitted Int/External Combiner and External Gic IRQs */ 114 void exynos4210_init_board_irqs(Exynos4210Irq *s); 115 116 /* Get IRQ number from exynos4210 IRQ subsystem stub. 117 * To identify IRQ source use internal combiner group and bit number 118 * grp - group number 119 * bit - bit number inside group */ 120 uint32_t exynos4210_get_irq(uint32_t grp, uint32_t bit); 121 122 /* 123 * Get Combiner input GPIO into irqs structure 124 */ 125 void exynos4210_combiner_get_gpioin(Exynos4210Irq *irqs, DeviceState *dev, 126 int ext); 127 128 /* 129 * exynos4210 UART 130 */ 131 DeviceState *exynos4210_uart_create(hwaddr addr, 132 int fifo_size, 133 int channel, 134 CharDriverState *chr, 135 qemu_irq irq); 136 137 #endif /* EXYNOS4210_H_ */ 138