1 /* 2 * Allwinner R40/A40i/T3 System on Chip emulation 3 * 4 * Copyright (C) 2023 qianfan Zhao <qianfanguijin@163.com> 5 * 6 * This program is free software: you can redistribute it and/or modify 7 * it under the terms of the GNU General Public License as published by 8 * the Free Software Foundation, either version 2 of the License, or 9 * (at your option) any later version. 10 * 11 * This program is distributed in the hope that it will be useful, 12 * but WITHOUT ANY WARRANTY; without even the implied warranty of 13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 14 * GNU General Public License for more details. 15 * 16 * You should have received a copy of the GNU General Public License 17 * along with this program. If not, see <http://www.gnu.org/licenses/>. 18 */ 19 20 #ifndef HW_ARM_ALLWINNER_R40_H 21 #define HW_ARM_ALLWINNER_R40_H 22 23 #include "qom/object.h" 24 #include "hw/timer/allwinner-a10-pit.h" 25 #include "hw/ide/ahci-sysbus.h" 26 #include "hw/intc/arm_gic.h" 27 #include "hw/sd/allwinner-sdhost.h" 28 #include "hw/misc/allwinner-r40-ccu.h" 29 #include "hw/misc/allwinner-r40-dramc.h" 30 #include "hw/misc/allwinner-sramc.h" 31 #include "hw/i2c/allwinner-i2c.h" 32 #include "hw/net/allwinner_emac.h" 33 #include "hw/net/allwinner-sun8i-emac.h" 34 #include "hw/usb/hcd-ohci.h" 35 #include "hw/usb/hcd-ehci.h" 36 #include "hw/watchdog/allwinner-wdt.h" 37 #include "target/arm/cpu.h" 38 #include "sysemu/block-backend.h" 39 40 enum { 41 AW_R40_DEV_SRAM_A1, 42 AW_R40_DEV_SRAM_A2, 43 AW_R40_DEV_SRAM_A3, 44 AW_R40_DEV_SRAM_A4, 45 AW_R40_DEV_SRAMC, 46 AW_R40_DEV_EMAC, 47 AW_R40_DEV_MMC0, 48 AW_R40_DEV_MMC1, 49 AW_R40_DEV_MMC2, 50 AW_R40_DEV_MMC3, 51 AW_R40_DEV_AHCI, 52 AW_R40_DEV_EHCI1, 53 AW_R40_DEV_OHCI1, 54 AW_R40_DEV_EHCI2, 55 AW_R40_DEV_OHCI2, 56 AW_R40_DEV_CCU, 57 AW_R40_DEV_PIT, 58 AW_R40_DEV_WDT, 59 AW_R40_DEV_UART0, 60 AW_R40_DEV_UART1, 61 AW_R40_DEV_UART2, 62 AW_R40_DEV_UART3, 63 AW_R40_DEV_UART4, 64 AW_R40_DEV_UART5, 65 AW_R40_DEV_UART6, 66 AW_R40_DEV_UART7, 67 AW_R40_DEV_TWI0, 68 AW_R40_DEV_GMAC, 69 AW_R40_DEV_GIC_DIST, 70 AW_R40_DEV_GIC_CPU, 71 AW_R40_DEV_GIC_HYP, 72 AW_R40_DEV_GIC_VCPU, 73 AW_R40_DEV_SDRAM, 74 AW_R40_DEV_DRAMCOM, 75 AW_R40_DEV_DRAMCTL, 76 AW_R40_DEV_DRAMPHY, 77 }; 78 79 #define AW_R40_NUM_CPUS (4) 80 81 /** 82 * Allwinner R40 object model 83 * @{ 84 */ 85 86 /** Object type for the Allwinner R40 SoC */ 87 #define TYPE_AW_R40 "allwinner-r40" 88 89 /** Convert input object to Allwinner R40 state object */ 90 OBJECT_DECLARE_SIMPLE_TYPE(AwR40State, AW_R40) 91 92 /** @} */ 93 94 /** 95 * Allwinner R40 object 96 * 97 * This struct contains the state of all the devices 98 * which are currently emulated by the R40 SoC code. 99 */ 100 #define AW_R40_NUM_MMCS 4 101 #define AW_R40_NUM_USB 2 102 #define AW_R40_NUM_UARTS 8 103 104 struct AwR40State { 105 /*< private >*/ 106 DeviceState parent_obj; 107 /*< public >*/ 108 109 /** Physical base address for start of RAM */ 110 hwaddr ram_addr; 111 112 /** Total RAM size in megabytes */ 113 uint32_t ram_size; 114 115 ARMCPU cpus[AW_R40_NUM_CPUS]; 116 const hwaddr *memmap; 117 AwSRAMCState sramc; 118 AwA10PITState timer; 119 AwWdtState wdt; 120 AllwinnerAHCIState sata; 121 AwSdHostState mmc[AW_R40_NUM_MMCS]; 122 EHCISysBusState ehci[AW_R40_NUM_USB]; 123 OHCISysBusState ohci[AW_R40_NUM_USB]; 124 AwR40ClockCtlState ccu; 125 AwR40DramCtlState dramc; 126 AWI2CState i2c0; 127 AwEmacState emac; 128 AwSun8iEmacState gmac; 129 GICState gic; 130 MemoryRegion sram_a1; 131 MemoryRegion sram_a2; 132 MemoryRegion sram_a3; 133 MemoryRegion sram_a4; 134 }; 135 136 /** 137 * Emulate Boot ROM firmware setup functionality. 138 * 139 * A real Allwinner R40 SoC contains a Boot ROM 140 * which is the first code that runs right after 141 * the SoC is powered on. The Boot ROM is responsible 142 * for loading user code (e.g. a bootloader) from any 143 * of the supported external devices and writing the 144 * downloaded code to internal SRAM. After loading the SoC 145 * begins executing the code written to SRAM. 146 * 147 * This function emulates the Boot ROM by copying 32 KiB 148 * of data from the given block device and writes it to 149 * the start of the first internal SRAM memory. 150 * 151 * @s: Allwinner R40 state object pointer 152 * @blk: Block backend device object pointer 153 * @unit: the mmc control's unit 154 */ 155 bool allwinner_r40_bootrom_setup(AwR40State *s, BlockBackend *blk, int unit); 156 157 #endif /* HW_ARM_ALLWINNER_R40_H */ 158