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 #ifndef EXYNOS4210_H 25 #define EXYNOS4210_H 26 27 #include "hw/or-irq.h" 28 #include "hw/sysbus.h" 29 #include "hw/cpu/a9mpcore.h" 30 #include "hw/intc/exynos4210_gic.h" 31 #include "hw/intc/exynos4210_combiner.h" 32 #include "hw/core/split-irq.h" 33 #include "hw/arm/boot.h" 34 #include "qom/object.h" 35 36 #define EXYNOS4210_NCPUS 2 37 38 #define EXYNOS4210_DRAM0_BASE_ADDR 0x40000000 39 #define EXYNOS4210_DRAM1_BASE_ADDR 0xa0000000 40 #define EXYNOS4210_DRAM_MAX_SIZE 0x60000000 /* 1.5 GB */ 41 42 #define EXYNOS4210_IROM_BASE_ADDR 0x00000000 43 #define EXYNOS4210_IROM_SIZE 0x00010000 /* 64 KB */ 44 #define EXYNOS4210_IROM_MIRROR_BASE_ADDR 0x02000000 45 #define EXYNOS4210_IROM_MIRROR_SIZE 0x00010000 /* 64 KB */ 46 47 #define EXYNOS4210_IRAM_BASE_ADDR 0x02020000 48 #define EXYNOS4210_IRAM_SIZE 0x00020000 /* 128 KB */ 49 50 /* Secondary CPU startup code is in IROM memory */ 51 #define EXYNOS4210_SMP_BOOT_ADDR EXYNOS4210_IROM_BASE_ADDR 52 #define EXYNOS4210_SMP_BOOT_SIZE 0x1000 53 #define EXYNOS4210_BASE_BOOT_ADDR EXYNOS4210_DRAM0_BASE_ADDR 54 /* Secondary CPU polling address to get loader start from */ 55 #define EXYNOS4210_SECOND_CPU_BOOTREG 0x10020814 56 57 #define EXYNOS4210_SMP_PRIVATE_BASE_ADDR 0x10500000 58 #define EXYNOS4210_L2X0_BASE_ADDR 0x10502000 59 60 /* 61 * exynos4210 IRQ subsystem stub definitions. 62 */ 63 #define EXYNOS4210_IRQ_GATE_NINPUTS 2 /* Internal and External GIC */ 64 65 #define EXYNOS4210_MAX_INT_COMBINER_OUT_IRQ 64 66 #define EXYNOS4210_MAX_EXT_COMBINER_OUT_IRQ 16 67 #define EXYNOS4210_MAX_INT_COMBINER_IN_IRQ \ 68 (EXYNOS4210_MAX_INT_COMBINER_OUT_IRQ * 8) 69 #define EXYNOS4210_MAX_EXT_COMBINER_IN_IRQ \ 70 (EXYNOS4210_MAX_EXT_COMBINER_OUT_IRQ * 8) 71 72 #define EXYNOS4210_I2C_NUMBER 9 73 74 #define EXYNOS4210_NUM_DMA 3 75 76 /* 77 * We need one splitter for every external combiner input, plus 78 * one for every non-zero entry in combiner_grp_to_gic_id[], 79 * minus one for every external combiner ID in second or later 80 * places in a combinermap[] line. 81 * We'll assert in exynos4210_init_board_irqs() if this is wrong. 82 */ 83 #define EXYNOS4210_NUM_SPLITTERS (EXYNOS4210_MAX_EXT_COMBINER_IN_IRQ + 38) 84 85 struct Exynos4210State { 86 /*< private >*/ 87 SysBusDevice parent_obj; 88 /*< public >*/ 89 ARMCPU *cpu[EXYNOS4210_NCPUS]; 90 qemu_irq irq_table[EXYNOS4210_MAX_INT_COMBINER_IN_IRQ]; 91 92 MemoryRegion chipid_mem; 93 MemoryRegion iram_mem; 94 MemoryRegion irom_mem; 95 MemoryRegion irom_alias_mem; 96 MemoryRegion boot_secondary; 97 MemoryRegion bootreg_mem; 98 I2CBus *i2c_if[EXYNOS4210_I2C_NUMBER]; 99 OrIRQState pl330_irq_orgate[EXYNOS4210_NUM_DMA]; 100 OrIRQState cpu_irq_orgate[EXYNOS4210_NCPUS]; 101 A9MPPrivState a9mpcore; 102 Exynos4210GicState ext_gic; 103 Exynos4210CombinerState int_combiner; 104 Exynos4210CombinerState ext_combiner; 105 SplitIRQ splitter[EXYNOS4210_NUM_SPLITTERS]; 106 }; 107 108 #define TYPE_EXYNOS4210_SOC "exynos4210" 109 OBJECT_DECLARE_SIMPLE_TYPE(Exynos4210State, EXYNOS4210_SOC) 110 111 void exynos4210_write_secondary(ARMCPU *cpu, 112 const struct arm_boot_info *info); 113 114 /* Get IRQ number from exynos4210 IRQ subsystem stub. 115 * To identify IRQ source use internal combiner group and bit number 116 * grp - group number 117 * bit - bit number inside group */ 118 uint32_t exynos4210_get_irq(uint32_t grp, uint32_t bit); 119 120 /* 121 * exynos4210 UART 122 */ 123 DeviceState *exynos4210_uart_create(hwaddr addr, 124 int fifo_size, 125 int channel, 126 Chardev *chr, 127 qemu_irq irq); 128 129 #endif /* EXYNOS4210_H */ 130