diff options
Diffstat (limited to 'src/include/device/resource.h')
| -rw-r--r-- | src/include/device/resource.h | 70 |
1 files changed, 70 insertions, 0 deletions
diff --git a/src/include/device/resource.h b/src/include/device/resource.h new file mode 100644 index 0000000000..30422016df --- /dev/null +++ b/src/include/device/resource.h @@ -0,0 +1,70 @@ +#ifndef RESOURCE_H +#define RESOURCE_H + + +#define IORESOURCE_BITS 0x000000ff /* Bus-specific bits */ + +#define IORESOURCE_IO 0x00000100 /* Resource type */ +#define IORESOURCE_MEM 0x00000200 +#define IORESOURCE_IRQ 0x00000400 +#define IORESOURCE_DMA 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_SET 0x80000000 + +/* 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) + +struct resource { + unsigned long base; /* Base address of the resource */ + unsigned long size; /* Size of the resource */ + unsigned long limit; /* Largest valid value base + size -1 */ + unsigned long flags; /* Descriptions of the kind of resource */ + unsigned long index; /* Bus specific per device resource id */ + unsigned char align; /* Required alignment (base 2) of the resource */ + unsigned char gran; /* Granularity (base 2) of the resource */ + /* Alignment must be >= the granularity of the resource */ +}; + +#endif /* RESOURCE_H */ |