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/* SPDX-License-Identifier: GPL-2.0 */
#ifndef __MCB_INTERNAL
#define __MCB_INTERNAL
#include <linux/types.h>
#define PCI_VENDOR_ID_MEN 0x1a88
#define PCI_DEVICE_ID_MEN_CHAMELEON 0x4d45
#define CHAMELEONV2_MAGIC 0xabce
#define CHAM_HEADER_SIZE 0x200
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;
struct chameleon_bar {
u32 addr;
u32 size;
};
#define BAR_CNT(x) ((x) & 0x07)
#define CHAMELEON_BAR_MAX 6
#define BAR_DESC_SIZE(x) ((x) * sizeof(struct chameleon_bar) + sizeof(__le32))
int chameleon_parse_cells(struct mcb_bus *bus, phys_addr_t mapbase,
void __iomem *base);
#endif
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