1 /* 2 * Nuvoton NPCM7xx SoC family. 3 * 4 * Copyright 2020 Google LLC 5 * 6 * This program is free software; you can redistribute it and/or modify it 7 * under the terms of the GNU General Public License as published by the 8 * 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, but WITHOUT 12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 14 * for more details. 15 */ 16 #ifndef NPCM7XX_H 17 #define NPCM7XX_H 18 19 #include "hw/boards.h" 20 #include "hw/adc/npcm7xx_adc.h" 21 #include "hw/core/split-irq.h" 22 #include "hw/cpu/a9mpcore.h" 23 #include "hw/gpio/npcm7xx_gpio.h" 24 #include "hw/i2c/npcm7xx_smbus.h" 25 #include "hw/mem/npcm7xx_mc.h" 26 #include "hw/misc/npcm7xx_clk.h" 27 #include "hw/misc/npcm7xx_gcr.h" 28 #include "hw/misc/npcm7xx_mft.h" 29 #include "hw/misc/npcm7xx_pwm.h" 30 #include "hw/misc/npcm7xx_rng.h" 31 #include "hw/net/npcm7xx_emc.h" 32 #include "hw/nvram/npcm7xx_otp.h" 33 #include "hw/timer/npcm7xx_timer.h" 34 #include "hw/ssi/npcm7xx_fiu.h" 35 #include "hw/usb/hcd-ehci.h" 36 #include "hw/usb/hcd-ohci.h" 37 #include "target/arm/cpu.h" 38 #include "hw/sd/npcm7xx_sdhci.h" 39 40 #define NPCM7XX_MAX_NUM_CPUS (2) 41 42 /* The first half of the address space is reserved for DDR4 DRAM. */ 43 #define NPCM7XX_DRAM_BA (0x00000000) 44 #define NPCM7XX_DRAM_SZ (2 * GiB) 45 46 /* Magic addresses for setting up direct kernel booting and SMP boot stubs. */ 47 #define NPCM7XX_LOADER_START (0x00000000) /* Start of SDRAM */ 48 #define NPCM7XX_SMP_LOADER_START (0xffff0000) /* Boot ROM */ 49 #define NPCM7XX_SMP_BOOTREG_ADDR (0xf080013c) /* GCR.SCRPAD */ 50 #define NPCM7XX_GIC_CPU_IF_ADDR (0xf03fe100) /* GIC within A9 */ 51 #define NPCM7XX_BOARD_SETUP_ADDR (0xffff1000) /* Boot ROM */ 52 53 #define NPCM7XX_NR_PWM_MODULES 2 54 55 struct NPCM7xxMachine { 56 MachineState parent; 57 /* 58 * PWM fan splitter. each splitter connects to one PWM output and 59 * multiple MFT inputs. 60 */ 61 SplitIRQ fan_splitter[NPCM7XX_NR_PWM_MODULES * 62 NPCM7XX_PWM_PER_MODULE]; 63 }; 64 65 #define TYPE_NPCM7XX_MACHINE MACHINE_TYPE_NAME("npcm7xx") 66 OBJECT_DECLARE_SIMPLE_TYPE(NPCM7xxMachine, NPCM7XX_MACHINE) 67 68 typedef struct NPCM7xxMachineClass { 69 MachineClass parent; 70 71 const char *soc_type; 72 } NPCM7xxMachineClass; 73 74 #define NPCM7XX_MACHINE_CLASS(klass) \ 75 OBJECT_CLASS_CHECK(NPCM7xxMachineClass, (klass), TYPE_NPCM7XX_MACHINE) 76 #define NPCM7XX_MACHINE_GET_CLASS(obj) \ 77 OBJECT_GET_CLASS(NPCM7xxMachineClass, (obj), TYPE_NPCM7XX_MACHINE) 78 79 struct NPCM7xxState { 80 DeviceState parent; 81 82 ARMCPU cpu[NPCM7XX_MAX_NUM_CPUS]; 83 A9MPPrivState a9mpcore; 84 85 MemoryRegion sram; 86 MemoryRegion irom; 87 MemoryRegion ram3; 88 MemoryRegion *dram; 89 90 NPCM7xxGCRState gcr; 91 NPCM7xxCLKState clk; 92 NPCM7xxTimerCtrlState tim[3]; 93 NPCM7xxADCState adc; 94 NPCM7xxPWMState pwm[NPCM7XX_NR_PWM_MODULES]; 95 NPCM7xxMFTState mft[8]; 96 NPCM7xxOTPState key_storage; 97 NPCM7xxOTPState fuse_array; 98 NPCM7xxMCState mc; 99 NPCM7xxRNGState rng; 100 NPCM7xxGPIOState gpio[8]; 101 NPCM7xxSMBusState smbus[16]; 102 EHCISysBusState ehci; 103 OHCISysBusState ohci; 104 NPCM7xxFIUState fiu[2]; 105 NPCM7xxEMCState emc[2]; 106 NPCM7xxSDHCIState mmc; 107 }; 108 109 #define TYPE_NPCM7XX "npcm7xx" 110 OBJECT_DECLARE_TYPE(NPCM7xxState, NPCM7xxClass, NPCM7XX) 111 112 #define TYPE_NPCM730 "npcm730" 113 #define TYPE_NPCM750 "npcm750" 114 115 typedef struct NPCM7xxClass { 116 DeviceClass parent; 117 118 /* Bitmask of modules that are permanently disabled on this chip. */ 119 uint32_t disabled_modules; 120 /* Number of CPU cores enabled in this SoC class (may be 1 or 2). */ 121 uint32_t num_cpus; 122 } NPCM7xxClass; 123 124 /** 125 * npcm7xx_load_kernel - Loads memory with everything needed to boot 126 * @machine - The machine containing the SoC to be booted. 127 * @soc - The SoC containing the CPU to be booted. 128 * 129 * This will set up the ARM boot info structure for the specific NPCM7xx 130 * derivative and call arm_load_kernel() to set up loading of the kernel, etc. 131 * into memory, if requested by the user. 132 */ 133 void npcm7xx_load_kernel(MachineState *machine, NPCM7xxState *soc); 134 135 #endif /* NPCM7XX_H */ 136