From e44e3482bdb4d0ebde2d8b41830ac2cdb07948fb Mon Sep 17 00:00:00 2001 From: Yang Zhang Date: Fri, 28 Aug 2015 09:58:54 +0800 Subject: Add qemu 2.4.0 Change-Id: Ic99cbad4b61f8b127b7dc74d04576c0bcbaaf4f5 Signed-off-by: Yang Zhang --- qemu/roms/ipxe/src/drivers/net/myson.h | 200 +++++++++++++++++++++++++++++++++ 1 file changed, 200 insertions(+) create mode 100644 qemu/roms/ipxe/src/drivers/net/myson.h (limited to 'qemu/roms/ipxe/src/drivers/net/myson.h') diff --git a/qemu/roms/ipxe/src/drivers/net/myson.h b/qemu/roms/ipxe/src/drivers/net/myson.h new file mode 100644 index 000000000..8d7cc5855 --- /dev/null +++ b/qemu/roms/ipxe/src/drivers/net/myson.h @@ -0,0 +1,200 @@ +#ifndef _MYSON_H +#define _MYSON_H + +/** @file + * + * Myson Technology network card driver + * + */ + +FILE_LICENCE ( GPL2_OR_LATER ); + +#include +#include + +/** 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 */ -- cgit 1.2.3-korg