xref: /openbmc/qemu/include/hw/arm/npcm7xx.h (revision d6bafaf4)
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/cpu/a9mpcore.h"
22 #include "hw/gpio/npcm7xx_gpio.h"
23 #include "hw/i2c/npcm7xx_smbus.h"
24 #include "hw/mem/npcm7xx_mc.h"
25 #include "hw/misc/npcm7xx_clk.h"
26 #include "hw/misc/npcm7xx_gcr.h"
27 #include "hw/misc/npcm7xx_pwm.h"
28 #include "hw/misc/npcm7xx_rng.h"
29 #include "hw/net/npcm7xx_emc.h"
30 #include "hw/nvram/npcm7xx_otp.h"
31 #include "hw/timer/npcm7xx_timer.h"
32 #include "hw/ssi/npcm7xx_fiu.h"
33 #include "hw/usb/hcd-ehci.h"
34 #include "hw/usb/hcd-ohci.h"
35 #include "target/arm/cpu.h"
36 
37 #define NPCM7XX_MAX_NUM_CPUS    (2)
38 
39 /* The first half of the address space is reserved for DDR4 DRAM. */
40 #define NPCM7XX_DRAM_BA         (0x00000000)
41 #define NPCM7XX_DRAM_SZ         (2 * GiB)
42 
43 /* Magic addresses for setting up direct kernel booting and SMP boot stubs. */
44 #define NPCM7XX_LOADER_START            (0x00000000)  /* Start of SDRAM */
45 #define NPCM7XX_SMP_LOADER_START        (0xffff0000)  /* Boot ROM */
46 #define NPCM7XX_SMP_BOOTREG_ADDR        (0xf080013c)  /* GCR.SCRPAD */
47 #define NPCM7XX_GIC_CPU_IF_ADDR         (0xf03fe100)  /* GIC within A9 */
48 #define NPCM7XX_BOARD_SETUP_ADDR        (0xffff1000)  /* Boot ROM */
49 
50 typedef struct NPCM7xxMachine {
51     MachineState        parent;
52 } NPCM7xxMachine;
53 
54 #define TYPE_NPCM7XX_MACHINE MACHINE_TYPE_NAME("npcm7xx")
55 #define NPCM7XX_MACHINE(obj)                                            \
56     OBJECT_CHECK(NPCM7xxMachine, (obj), TYPE_NPCM7XX_MACHINE)
57 
58 typedef struct NPCM7xxMachineClass {
59     MachineClass        parent;
60 
61     const char          *soc_type;
62 } NPCM7xxMachineClass;
63 
64 #define NPCM7XX_MACHINE_CLASS(klass)                                    \
65     OBJECT_CLASS_CHECK(NPCM7xxMachineClass, (klass), TYPE_NPCM7XX_MACHINE)
66 #define NPCM7XX_MACHINE_GET_CLASS(obj)                                  \
67     OBJECT_GET_CLASS(NPCM7xxMachineClass, (obj), TYPE_NPCM7XX_MACHINE)
68 
69 typedef struct NPCM7xxState {
70     DeviceState         parent;
71 
72     ARMCPU              cpu[NPCM7XX_MAX_NUM_CPUS];
73     A9MPPrivState       a9mpcore;
74 
75     MemoryRegion        sram;
76     MemoryRegion        irom;
77     MemoryRegion        ram3;
78     MemoryRegion        *dram;
79 
80     NPCM7xxGCRState     gcr;
81     NPCM7xxCLKState     clk;
82     NPCM7xxTimerCtrlState tim[3];
83     NPCM7xxADCState     adc;
84     NPCM7xxPWMState     pwm[2];
85     NPCM7xxOTPState     key_storage;
86     NPCM7xxOTPState     fuse_array;
87     NPCM7xxMCState      mc;
88     NPCM7xxRNGState     rng;
89     NPCM7xxGPIOState    gpio[8];
90     NPCM7xxSMBusState   smbus[16];
91     EHCISysBusState     ehci;
92     OHCISysBusState     ohci;
93     NPCM7xxFIUState     fiu[2];
94     NPCM7xxEMCState     emc[2];
95 } NPCM7xxState;
96 
97 #define TYPE_NPCM7XX    "npcm7xx"
98 #define NPCM7XX(obj)    OBJECT_CHECK(NPCM7xxState, (obj), TYPE_NPCM7XX)
99 
100 #define TYPE_NPCM730    "npcm730"
101 #define TYPE_NPCM750    "npcm750"
102 
103 typedef struct NPCM7xxClass {
104     DeviceClass         parent;
105 
106     /* Bitmask of modules that are permanently disabled on this chip. */
107     uint32_t            disabled_modules;
108     /* Number of CPU cores enabled in this SoC class (may be 1 or 2). */
109     uint32_t            num_cpus;
110 } NPCM7xxClass;
111 
112 #define NPCM7XX_CLASS(klass)                                            \
113     OBJECT_CLASS_CHECK(NPCM7xxClass, (klass), TYPE_NPCM7XX)
114 #define NPCM7XX_GET_CLASS(obj)                                          \
115     OBJECT_GET_CLASS(NPCM7xxClass, (obj), TYPE_NPCM7XX)
116 
117 /**
118  * npcm7xx_load_kernel - Loads memory with everything needed to boot
119  * @machine - The machine containing the SoC to be booted.
120  * @soc - The SoC containing the CPU to be booted.
121  *
122  * This will set up the ARM boot info structure for the specific NPCM7xx
123  * derivative and call arm_load_kernel() to set up loading of the kernel, etc.
124  * into memory, if requested by the user.
125  */
126 void npcm7xx_load_kernel(MachineState *machine, NPCM7xxState *soc);
127 
128 #endif /* NPCM7XX_H */
129