diff options
Diffstat (limited to 'include/hw/arm')
| -rw-r--r-- | include/hw/arm/arm.h | 45 | ||||
| -rw-r--r-- | include/hw/arm/sysbus-fdt.h | 37 |
2 files changed, 41 insertions, 41 deletions
diff --git a/include/hw/arm/arm.h b/include/hw/arm/arm.h index ce769bde6a..70fa2287e2 100644 --- a/include/hw/arm/arm.h +++ b/include/hw/arm/arm.h @@ -39,15 +39,6 @@ DeviceState *armv7m_init(MemoryRegion *system_memory, int mem_size, int num_irq, */ void armv7m_load_kernel(ARMCPU *cpu, const char *kernel_filename, int mem_size); -/* - * struct used as a parameter of the arm_load_kernel machine init - * done notifier - */ -typedef struct { - Notifier notifier; /* actual notifier */ - ARMCPU *cpu; /* handle to the first cpu object */ -} ArmLoadKernelNotifier; - /* arm_boot.c */ struct arm_boot_info { uint64_t ram_size; @@ -56,6 +47,13 @@ struct arm_boot_info { const char *initrd_filename; const char *dtb_filename; hwaddr loader_start; + hwaddr dtb_start; + hwaddr dtb_limit; + /* If set to True, arm_load_kernel() will not load DTB. + * It allows board to load DTB manually later. + * (default: False) + */ + bool skip_dtb_autoload; /* multicore boards that use the default secondary core boot functions * need to put the address of the secondary boot code, the boot reg, * and the GIC address in the next 3 values, respectively. boards that @@ -94,8 +92,6 @@ struct arm_boot_info { * the user it should implement this hook. */ void (*modify_dtb)(const struct arm_boot_info *info, void *fdt); - /* machine init done notifier executing arm_load_dtb */ - ArmLoadKernelNotifier load_kernel_notifier; /* Used internally by arm_boot.c */ int is_linux; hwaddr initrd_start; @@ -143,6 +139,33 @@ struct arm_boot_info { */ void arm_load_kernel(ARMCPU *cpu, struct arm_boot_info *info); +AddressSpace *arm_boot_address_space(ARMCPU *cpu, + const struct arm_boot_info *info); + +/** + * arm_load_dtb() - load a device tree binary image into memory + * @addr: the address to load the image at + * @binfo: struct describing the boot environment + * @addr_limit: upper limit of the available memory area at @addr + * @as: address space to load image to + * + * Load a device tree supplied by the machine or by the user with the + * '-dtb' command line option, and put it at offset @addr in target + * memory. + * + * If @addr_limit contains a meaningful value (i.e., it is strictly greater + * than @addr), the device tree is only loaded if its size does not exceed + * the limit. + * + * Returns: the size of the device tree image on success, + * 0 if the image size exceeds the limit, + * -1 on errors. + * + * Note: Must not be called unless have_dtb(binfo) is true. + */ +int arm_load_dtb(hwaddr addr, const struct arm_boot_info *binfo, + hwaddr addr_limit, AddressSpace *as); + /* Write a secure board setup routine with a dummy handler for SMCs */ void arm_write_secure_board_setup_dummy_smc(ARMCPU *cpu, const struct arm_boot_info *info, diff --git a/include/hw/arm/sysbus-fdt.h b/include/hw/arm/sysbus-fdt.h index e15bb81807..340c382cdd 100644 --- a/include/hw/arm/sysbus-fdt.h +++ b/include/hw/arm/sysbus-fdt.h @@ -24,37 +24,14 @@ #ifndef HW_ARM_SYSBUS_FDT_H #define HW_ARM_SYSBUS_FDT_H -#include "hw/arm/arm.h" -#include "qemu-common.h" -#include "hw/sysbus.h" - -/* - * struct that contains dimensioning parameters of the platform bus - */ -typedef struct { - hwaddr platform_bus_base; /* start address of the bus */ - hwaddr platform_bus_size; /* size of the bus */ - int platform_bus_first_irq; /* first hwirq assigned to the bus */ - int platform_bus_num_irqs; /* number of hwirq assigned to the bus */ -} ARMPlatformBusSystemParams; - -/* - * struct that contains all relevant info to build the fdt nodes of - * platform bus and attached dynamic sysbus devices - * in the future might be augmented with additional info - * such as PHY, CLK handles ... - */ -typedef struct { - const ARMPlatformBusSystemParams *system_params; - struct arm_boot_info *binfo; - const char *intc; /* parent interrupt controller name */ -} ARMPlatformBusFDTParams; +#include "exec/hwaddr.h" /** - * arm_register_platform_bus_fdt_creator - register a machine init done - * notifier that creates the device tree nodes of the platform bus and - * associated dynamic sysbus devices + * platform_bus_add_all_fdt_nodes - create all the platform bus nodes + * + * builds the parent platform bus node and all the nodes of dynamic + * sysbus devices attached to it. */ -void arm_register_platform_bus_fdt_creator(ARMPlatformBusFDTParams *fdt_params); - +void platform_bus_add_all_fdt_nodes(void *fdt, const char *intc, hwaddr addr, + hwaddr bus_size, int irq_start); #endif |