diff options
Diffstat (limited to 'qemu/roms/ipxe/src/drivers/net/myson.h')
| -rw-r--r-- | qemu/roms/ipxe/src/drivers/net/myson.h | 200 |
1 files changed, 0 insertions, 200 deletions
diff --git a/qemu/roms/ipxe/src/drivers/net/myson.h b/qemu/roms/ipxe/src/drivers/net/myson.h deleted file mode 100644 index 05a6b8a58..000000000 --- a/qemu/roms/ipxe/src/drivers/net/myson.h +++ /dev/null @@ -1,200 +0,0 @@ -#ifndef _MYSON_H -#define _MYSON_H - -/** @file - * - * Myson Technology network card driver - * - */ - -FILE_LICENCE ( GPL2_OR_LATER_OR_UBDL ); - -#include <stdint.h> -#include <ipxe/if_ether.h> - -/** BAR size */ -#define MYSON_BAR_SIZE 256 - -/** A packet descriptor */ -struct myson_descriptor { - /** Status */ - uint32_t status; - /** Control */ - uint32_t control; - /** Buffer start address */ - uint32_t address; - /** Next descriptor address */ - uint32_t next; -} __attribute__ (( packed )); - -/* Transmit status */ -#define MYSON_TX_STAT_OWN 0x80000000UL /**< Owner */ -#define MYSON_TX_STAT_ABORT 0x00002000UL /**< Abort */ -#define MYSON_TX_STAT_CSL 0x00001000UL /**< Carrier sense lost */ - -/* Transmit control */ -#define MYSON_TX_CTRL_IC 0x80000000UL /**< Interrupt control */ -#define MYSON_TX_CTRL_LD 0x20000000UL /**< Last descriptor */ -#define MYSON_TX_CTRL_FD 0x10000000UL /**< First descriptor */ -#define MYSON_TX_CTRL_CRC 0x08000000UL /**< CRC append */ -#define MYSON_TX_CTRL_PAD 0x04000000UL /**< Pad control */ -#define MYSON_TX_CTRL_RTLC 0x02000000UL /**< Retry late collision */ -#define MYSON_TX_CTRL_PKTS(x) ( (x) << 11 ) /**< Packet size */ -#define MYSON_TX_CTRL_TBS(x) ( (x) << 0 ) /**< Transmit buffer size */ - -/* Receive status */ -#define MYSON_RX_STAT_OWN 0x80000000UL /**< Owner */ -#define MYSON_RX_STAT_FLNG(status) ( ( (status) >> 16 ) & 0xfff ) -#define MYSON_RX_STAT_ES 0x00000080UL /**< Error summary */ - -/* Receive control */ -#define MYSON_RX_CTRL_RBS(x) ( (x) << 0 ) /**< Receive buffer size */ - -/** Descriptor ring alignment */ -#define MYSON_RING_ALIGN 4 - -/** Physical Address Register 0 */ -#define MYSON_PAR0 0x00 - -/** Physical Address Register 4 */ -#define MYSON_PAR4 0x04 - -/** Physical address */ -union myson_physical_address { - struct { - uint32_t low; - uint32_t high; - } __attribute__ (( packed )) reg; - uint8_t raw[ETH_ALEN]; -}; - -/** Transmit and Receive Configuration Register */ -#define MYSON_TCR_RCR 0x18 -#define MYSON_TCR_TXS 0x80000000UL /**< Transmit status */ -#define MYSON_TCR_TE 0x00040000UL /**< Transmit enable */ -#define MYSON_RCR_RXS 0x00008000UL /**< Receive status */ -#define MYSON_RCR_PROM 0x00000080UL /**< Promiscuous mode */ -#define MYSON_RCR_AB 0x00000040UL /**< Accept broadcast */ -#define MYSON_RCR_AM 0x00000020UL /**< Accept multicast */ -#define MYSON_RCR_ARP 0x00000008UL /**< Accept runt packet */ -#define MYSON_RCR_ALP 0x00000004UL /**< Accept long packet */ -#define MYSON_RCR_RE 0x00000001UL /**< Receive enable */ - -/** Maximum time to wait for transmit and receive to be idle, in milliseconds */ -#define MYSON_IDLE_MAX_WAIT_MS 100 - -/** Bus Command Register */ -#define MYSON_BCR 0x1c -#define MYSON_BCR_RLE 0x00000100UL /**< Read line enable */ -#define MYSON_BCR_RME 0x00000080UL /**< Read multiple enable */ -#define MYSON_BCR_WIE 0x00000040UL /**< Write and invalidate */ -#define MYSON_BCR_PBL(x) ( (x) << 3 ) /**< Burst length */ -#define MYSON_BCR_PBL_MASK MYSON_BCR_PBL ( 0x7 ) -#define MYSON_BCR_PBL_DEFAULT MYSON_BCR_PBL ( 0x6 ) -#define MYSON_BCR_SWR 0x00000001UL /**< Software reset */ - -/** Maximum time to wait for a reset, in milliseconds */ -#define MYSON_RESET_MAX_WAIT_MS 100 - -/** Transmit Poll Demand Register */ -#define MYSON_TXPDR 0x20 - -/** Receive Poll Demand Register */ -#define MYSON_RXPDR 0x24 - -/** Transmit List Base Address */ -#define MYSON_TXLBA 0x2c - -/** Number of transmit descriptors */ -#define MYSON_NUM_TX_DESC 4 - -/** Receive List Base Address */ -#define MYSON_RXLBA 0x30 - -/** Number of receive descriptors */ -#define MYSON_NUM_RX_DESC 4 - -/** Receive buffer length */ -#define MYSON_RX_MAX_LEN ( ETH_FRAME_LEN + 4 /* VLAN */ + 4 /* CRC */ ) - -/** Interrupt Status Register */ -#define MYSON_ISR 0x34 -#define MYSON_IRQ_TI 0x00000008UL /**< Transmit interrupt */ -#define MYSON_IRQ_RI 0x00000004UL /**< Receive interrupt */ - -/** Number of I/O delays between ISR reads */ -#define MYSON_ISR_IODELAY_COUNT 4 - -/** Interrupt Mask Register */ -#define MYSON_IMR 0x38 - -/** Boot ROM / EEPROM / MII Management Register */ -#define MYSON_ROM_MII 0x40 -#define MYSON_ROM_AUTOLD 0x00100000UL /**< Auto load */ - -/** Maximum time to wait for a configuration reload, in milliseconds */ -#define MYSON_AUTOLD_MAX_WAIT_MS 100 - -/** A Myson descriptor ring */ -struct myson_ring { - /** Descriptors */ - struct myson_descriptor *desc; - /** Producer index */ - unsigned int prod; - /** Consumer index */ - unsigned int cons; - - /** Number of descriptors */ - unsigned int count; - /** Descriptor start address register */ - unsigned int reg; -}; - -/** - * Initialise descriptor ring - * - * @v ring Descriptor ring - * @v count Number of descriptors - * @v reg Descriptor base address register - */ -static inline __attribute__ (( always_inline)) void -myson_init_ring ( struct myson_ring *ring, unsigned int count, - unsigned int reg ) { - ring->count = count; - ring->reg = reg; -} - -/** A myson network card */ -struct myson_nic { - /** Registers */ - void *regs; - - /** Transmit descriptor ring */ - struct myson_ring tx; - /** Receive descriptor ring */ - struct myson_ring rx; - /** Receive I/O buffers */ - struct io_buffer *rx_iobuf[MYSON_NUM_RX_DESC]; -}; - -/** - * Check if card can access physical address - * - * @v address Physical address - * @v address_ok Card can access physical address - */ -static inline __attribute__ (( always_inline )) int -myson_address_ok ( physaddr_t address ) { - - /* In a 32-bit build, all addresses can be accessed */ - if ( sizeof ( physaddr_t ) <= sizeof ( uint32_t ) ) - return 1; - - /* Card can access all addresses below 4GB */ - if ( ( address & ~0xffffffffULL ) == 0 ) - return 1; - - return 0; -} - -#endif /* _MYSON_H */ |