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/*
* Nuvoton NPCM7xx SoC family.
*
* Copyright 2020 Google LLC
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
* Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* for more details.
*/
#ifndef NPCM7XX_H
#define NPCM7XX_H
#include "hw/boards.h"
#include "hw/cpu/a9mpcore.h"
#include "hw/misc/npcm7xx_clk.h"
#include "hw/misc/npcm7xx_gcr.h"
#include "hw/timer/npcm7xx_timer.h"
#include "target/arm/cpu.h"
#define NPCM7XX_MAX_NUM_CPUS (2)
/* The first half of the address space is reserved for DDR4 DRAM. */
#define NPCM7XX_DRAM_BA (0x00000000)
#define NPCM7XX_DRAM_SZ (2 * GiB)
/* Magic addresses for setting up direct kernel booting and SMP boot stubs. */
#define NPCM7XX_LOADER_START (0x00000000) /* Start of SDRAM */
#define NPCM7XX_SMP_LOADER_START (0xffff0000) /* Boot ROM */
#define NPCM7XX_SMP_BOOTREG_ADDR (0xf080013c) /* GCR.SCRPAD */
#define NPCM7XX_GIC_CPU_IF_ADDR (0xf03fe100) /* GIC within A9 */
typedef struct NPCM7xxState {
DeviceState parent;
ARMCPU cpu[NPCM7XX_MAX_NUM_CPUS];
A9MPPrivState a9mpcore;
MemoryRegion sram;
MemoryRegion irom;
MemoryRegion ram3;
MemoryRegion *dram;
NPCM7xxGCRState gcr;
NPCM7xxCLKState clk;
NPCM7xxTimerCtrlState tim[3];
} NPCM7xxState;
#define TYPE_NPCM7XX "npcm7xx"
#define NPCM7XX(obj) OBJECT_CHECK(NPCM7xxState, (obj), TYPE_NPCM7XX)
#define TYPE_NPCM730 "npcm730"
#define TYPE_NPCM750 "npcm750"
typedef struct NPCM7xxClass {
DeviceClass parent;
/* Bitmask of modules that are permanently disabled on this chip. */
uint32_t disabled_modules;
/* Number of CPU cores enabled in this SoC class (may be 1 or 2). */
uint32_t num_cpus;
} NPCM7xxClass;
#define NPCM7XX_CLASS(klass) \
OBJECT_CLASS_CHECK(NPCM7xxClass, (klass), TYPE_NPCM7XX)
#define NPCM7XX_GET_CLASS(obj) \
OBJECT_GET_CLASS(NPCM7xxClass, (obj), TYPE_NPCM7XX)
/**
* npcm7xx_load_kernel - Loads memory with everything needed to boot
* @machine - The machine containing the SoC to be booted.
* @soc - The SoC containing the CPU to be booted.
*
* This will set up the ARM boot info structure for the specific NPCM7xx
* derivative and call arm_load_kernel() to set up loading of the kernel, etc.
* into memory, if requested by the user.
*/
void npcm7xx_load_kernel(MachineState *machine, NPCM7xxState *soc);
#endif /* NPCM7XX_H */
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