diff options
Diffstat (limited to 'drivers/mcb/mcb-internal.h')
| -rw-r--r-- | drivers/mcb/mcb-internal.h | 118 | 
1 files changed, 118 insertions, 0 deletions
diff --git a/drivers/mcb/mcb-internal.h b/drivers/mcb/mcb-internal.h new file mode 100644 index 00000000000..f956ef26c0c --- /dev/null +++ b/drivers/mcb/mcb-internal.h @@ -0,0 +1,118 @@ +#ifndef __MCB_INTERNAL +#define __MCB_INTERNAL + +#include <linux/types.h> + +#define PCI_VENDOR_ID_MEN		0x1a88 +#define PCI_DEVICE_ID_MEN_CHAMELEON	0x4d45 +#define CHAMELEON_FILENAME_LEN		12 +#define CHAMELEONV2_MAGIC		0xabce + +enum chameleon_descriptor_type { +	CHAMELEON_DTYPE_GENERAL = 0x0, +	CHAMELEON_DTYPE_BRIDGE = 0x1, +	CHAMELEON_DTYPE_CPU = 0x2, +	CHAMELEON_DTYPE_BAR = 0x3, +	CHAMELEON_DTYPE_END = 0xf, +}; + +enum chameleon_bus_type { +	CHAMELEON_BUS_WISHBONE, +	CHAMELEON_BUS_AVALON, +	CHAMELEON_BUS_LPC, +	CHAMELEON_BUS_ISA, +}; + +/** + * struct chameleon_fpga_header + * + * @revision:	Revison of Chameleon table in FPGA + * @model:	Chameleon table model ASCII char + * @minor:	Revision minor + * @bus_type:	Bus type (usually %CHAMELEON_BUS_WISHBONE) + * @magic:	Chameleon header magic number (0xabce for version 2) + * @reserved:	Reserved + * @filename:	Filename of FPGA bitstream + */ +struct chameleon_fpga_header { +	u8 revision; +	char model; +	u8 minor; +	u8 bus_type; +	u16 magic; +	u16 reserved; +	/* This one has no '\0' at the end!!! */ +	char filename[CHAMELEON_FILENAME_LEN]; +} __packed; +#define HEADER_MAGIC_OFFSET 0x4 + +/** + * struct chameleon_gdd - Chameleon General Device Descriptor + * + * @irq:	the position in the FPGA's IRQ controller vector + * @rev:	the revision of the variant's implementation + * @var:	the variant of the IP core + * @dev:	the device  the IP core is + * @dtype:	device descriptor type + * @bar:	BAR offset that must be added to module offset + * @inst:	the instance number of the device, 0 is first instance + * @group:	the group the device belongs to (0 = no group) + * @reserved:	reserved + * @offset:	beginning of the address window of desired module + * @size:	size of the module's address window + */ +struct chameleon_gdd { +	__le32 reg1; +	__le32 reg2; +	__le32 offset; +	__le32 size; + +} __packed; + +/* GDD Register 1 fields */ +#define GDD_IRQ(x) ((x) & 0x1f) +#define GDD_REV(x) (((x) >> 5) & 0x3f) +#define GDD_VAR(x) (((x) >> 11) & 0x3f) +#define GDD_DEV(x) (((x) >> 18) & 0x3ff) +#define GDD_DTY(x) (((x) >> 28) & 0xf) + +/* GDD Register 2 fields */ +#define GDD_BAR(x) ((x) & 0x7) +#define GDD_INS(x) (((x) >> 3) & 0x3f) +#define GDD_GRP(x) (((x) >> 9) & 0x3f) + +/** + * struct chameleon_bdd - Chameleon Bridge Device Descriptor + * + * @irq:	the position in the FPGA's IRQ controller vector + * @rev:	the revision of the variant's implementation + * @var:	the variant of the IP core + * @dev:	the device  the IP core is + * @dtype:	device descriptor type + * @bar:	BAR offset that must be added to module offset + * @inst:	the instance number of the device, 0 is first instance + * @dbar:	destination bar from the bus _behind_ the bridge + * @chamoff:	offset within the BAR of the source bus + * @offset: + * @size: + */ +struct chameleon_bdd { +	unsigned int irq:6; +	unsigned int rev:6; +	unsigned int var:6; +	unsigned int dev:10; +	unsigned int dtype:4; +	unsigned int bar:3; +	unsigned int inst:6; +	unsigned int dbar:3; +	unsigned int group:6; +	unsigned int reserved:14; +	u32 chamoff; +	u32 offset; +	u32 size; +} __packed; + +int chameleon_parse_cells(struct mcb_bus *bus, phys_addr_t mapbase, +			  void __iomem *base); + +#endif  | 
