| #ifndef DEVICE_RESOURCE_H |
| #define DEVICE_RESOURCE_H |
| |
| #include <stdint.h> |
| |
| #define IORESOURCE_BITS 0x000000ff /* Bus-specific bits */ |
| |
| #define IORESOURCE_IO 0x00000100 /* Resource type */ |
| #define IORESOURCE_MEM 0x00000200 |
| #define IORESOURCE_IRQ 0x00000400 |
| #define IORESOURCE_DRQ 0x00000800 |
| |
| #define IORESOURCE_PREFETCH 0x00001000 /* No side effects */ |
| #define IORESOURCE_READONLY 0x00002000 |
| #define IORESOURCE_CACHEABLE 0x00004000 |
| #define IORESOURCE_RANGELENGTH 0x00008000 |
| #define IORESOURCE_SHADOWABLE 0x00010000 |
| #define IORESOURCE_BUS_HAS_VGA 0x00020000 |
| #define IORESOURCE_SUBTRACTIVE 0x00040000 /* This resource filters all of the unclaimed transactions |
| * to the bus below. |
| */ |
| #define IORESOURCE_BRIDGE 0x00080000 /* The IO resource has a bus below it. */ |
| #define IORESOURCE_UMA_FB 0x00100000 /* UMA framebuffer */ |
| #define IORESOURCE_IGNORE_MTRR 0x00200000 /* The resource does not affect MTRR setup. */ |
| |
| #define IORESOURCE_RESERVE 0x10000000 /* The resource needs to be reserved in the coreboot table */ |
| #define IORESOURCE_STORED 0x20000000 /* The IO resource assignment has been stored in the device */ |
| #define IORESOURCE_ASSIGNED 0x40000000 /* An IO resource that has been assigned a value */ |
| #define IORESOURCE_FIXED 0x80000000 /* An IO resource the allocator must not change */ |
| |
| /* PCI specific resource bits */ |
| #define IORESOURCE_PCI64 (1<<0) /* 64bit long pci resource */ |
| #define IORESOURCE_PCI_BRIDGE (1<<1) /* A bridge pci resource */ |
| |
| /* ISA PnP IRQ specific bits (IORESOURCE_BITS) */ |
| #define IORESOURCE_IRQ_HIGHEDGE (1<<0) |
| #define IORESOURCE_IRQ_LOWEDGE (1<<1) |
| #define IORESOURCE_IRQ_HIGHLEVEL (1<<2) |
| #define IORESOURCE_IRQ_LOWLEVEL (1<<3) |
| |
| /* ISA PnP DMA specific bits (IORESOURCE_BITS) */ |
| #define IORESOURCE_DMA_TYPE_MASK (3<<0) |
| #define IORESOURCE_DMA_8BIT (0<<0) |
| #define IORESOURCE_DMA_8AND16BIT (1<<0) |
| #define IORESOURCE_DMA_16BIT (2<<0) |
| |
| #define IORESOURCE_DMA_MASTER (1<<2) |
| #define IORESOURCE_DMA_BYTE (1<<3) |
| #define IORESOURCE_DMA_WORD (1<<4) |
| |
| #define IORESOURCE_DMA_SPEED_MASK (3<<6) |
| #define IORESOURCE_DMA_COMPATIBLE (0<<6) |
| #define IORESOURCE_DMA_TYPEA (1<<6) |
| #define IORESOURCE_DMA_TYPEB (2<<6) |
| #define IORESOURCE_DMA_TYPEF (3<<6) |
| |
| |
| /* ISA PnP memory I/O specific bits (IORESOURCE_BITS) */ |
| #define IORESOURCE_MEM_WRITEABLE (1<<0) /* dup: IORESOURCE_READONLY */ |
| #define IORESOURCE_MEM_CACHEABLE (1<<1) /* dup: IORESOURCE_CACHEABLE */ |
| #define IORESOURCE_MEM_RANGELENGTH (1<<2) /* dup: IORESOURCE_RANGELENGTH */ |
| #define IORESOURCE_MEM_TYPE_MASK (3<<3) |
| #define IORESOURCE_MEM_8BIT (0<<3) |
| #define IORESOURCE_MEM_16BIT (1<<3) |
| #define IORESOURCE_MEM_8AND16BIT (2<<3) |
| #define IORESOURCE_MEM_SHADOWABLE (1<<5) /* dup: IORESOURCE_SHADOWABLE */ |
| #define IORESOURCE_MEM_EXPANSIONROM (1<<6) |
| |
| |
| typedef u64 resource_t; |
| struct resource { |
| resource_t base; /* Base address of the resource */ |
| resource_t size; /* Size of the resource */ |
| resource_t limit; /* Largest valid value base + size -1 */ |
| struct resource* next; /* Next resource in the list */ |
| unsigned long flags; /* Descriptions of the kind of resource */ |
| unsigned long index; /* Bus specific per device resource id */ |
| unsigned char align; /* Required alignment (log 2) of the resource */ |
| unsigned char gran; /* Granularity (log 2) of the resource */ |
| /* Alignment must be >= the granularity of the resource */ |
| }; |
| |
| /* Macros to generate index values for resources */ |
| #define IOINDEX_SUBTRACTIVE(IDX,LINK) (0x10000000 + ((IDX) << 8) + LINK) |
| #define IOINDEX_SUBTRACTIVE_LINK(IDX) (IDX & 0xff) |
| |
| #define IOINDEX(IDX,LINK) (((LINK) << 16) + IDX) |
| #define IOINDEX_LINK(IDX) (( IDX & 0xf0000) >> 16) |
| #define IOINDEX_IDX(IDX) (IDX & 0xffff) |
| |
| /* Generic resource helper functions */ |
| struct device; |
| struct bus; |
| extern void compact_resources(struct device * dev); |
| extern struct resource *probe_resource(struct device *dev, unsigned index); |
| extern struct resource *new_resource(struct device * dev, unsigned index); |
| extern struct resource *find_resource(struct device * dev, unsigned index); |
| extern resource_t resource_end(struct resource *resource); |
| extern resource_t resource_max(struct resource *resource); |
| extern void report_resource_stored(struct device * dev, struct resource *resource, const char *comment); |
| |
| typedef void (*resource_search_t)(void *gp, struct device *dev, struct resource *res); |
| extern void search_bus_resources(struct bus *bus, |
| unsigned long type_mask, unsigned long type, |
| resource_search_t search, void *gp); |
| |
| extern void search_global_resources( |
| unsigned long type_mask, unsigned long type, |
| resource_search_t search, void *gp); |
| |
| #define RESOURCE_TYPE_MAX 20 |
| extern const char *resource_type(struct resource *resource); |
| |
| #endif /* DEVICE_RESOURCE_H */ |