[intel] Add intelx driver for Intel 10 Gigabit Ethernet NICs

Signed-off-by: Michael Brown <mcb30@ipxe.org>

1 files changed, 114 insertions, 0 deletions

diff --git a/src/drivers/net/intelx.h b/src/drivers/net/intelx.h
new file mode 100644
index 00000000..60bb294d
--- /dev/null
+++ b/src/drivers/net/intelx.h
@@ -0,0 +1,114 @@
+#ifndef _INTELX_H
+#define _INTELX_H
+
+/** @file
+ *
+ * Intel 10 Gigabit Ethernet network card driver
+ *
+ */
+
+FILE_LICENCE ( GPL2_OR_LATER );
+
+#include <stdint.h>
+#include <ipxe/if_ether.h>
+#include "intel.h"
+
+/** Device Control Register */
+#define INTELX_CTRL 0x00000UL
+#define INTELX_CTRL_LRST	0x00000008UL	/**< Link reset */
+#define INTELX_CTRL_RST		0x04000000UL	/**< Device reset */
+
+/** Time to delay for device reset, in milliseconds */
+#define INTELX_RESET_DELAY_MS 20
+
+/** Extended Interrupt Cause Read Register */
+#define INTELX_EICR 0x00800UL
+#define INTELX_EIRQ_RX0		0x00000001UL	/**< RX0 (via IVAR) */
+#define INTELX_EIRQ_TX0		0x00000002UL	/**< RX0 (via IVAR) */
+#define INTELX_EIRQ_RXO		0x00020000UL	/**< Receive overrun */
+#define INTELX_EIRQ_LSC		0x00100000UL	/**< Link status change */
+
+/** Interrupt Mask Set/Read Register */
+#define INTELX_EIMS 0x00880UL
+
+/** Interrupt Mask Clear Register */
+#define INTELX_EIMC 0x00888UL
+
+/** Interrupt Vector Allocation Register */
+#define INTELX_IVAR 0x00900UL
+#define INTELX_IVAR_RX0(bit)	( (bit) << 0 )	/**< RX queue 0 allocation */
+#define INTELX_IVAR_RX0_DEFAULT	INTELX_IVAR_RX0 ( 0x00 )
+#define INTELX_IVAR_RX0_MASK	INTELX_IVAR_RX0 ( 0x3f )
+#define INTELX_IVAR_RX0_VALID	0x00000080UL	/**< RX queue 0 valid */
+#define INTELX_IVAR_TX0(bit)	( (bit) << 8 )	/**< TX queue 0 allocation */
+#define INTELX_IVAR_TX0_DEFAULT	INTELX_IVAR_TX0 ( 0x01 )
+#define INTELX_IVAR_TX0_MASK	INTELX_IVAR_TX0 ( 0x3f )
+#define INTELX_IVAR_TX0_VALID	0x00008000UL	/**< TX queue 0 valid */
+
+/** Receive Filter Control Register */
+#define INTELX_FCTRL 0x05080UL
+#define INTELX_FCTRL_MPE	0x00000100UL	/**< Multicast promiscuous */
+#define INTELX_FCTRL_UPE	0x00000200UL	/**< Unicast promiscuous mode */
+#define INTELX_FCTRL_BAM	0x00000400UL	/**< Broadcast accept mode */
+
+/** Receive Address Low
+ *
+ * The MAC address registers RAL0/RAH0 exist at address 0x05400 for
+ * the 82598 and 0x0a200 for the 82599, according to the datasheet.
+ * In practice, the 82599 seems to also provide a copy of these
+ * registers at 0x05400.  To aim for maximum compatibility, we try
+ * both addresses when reading the initial MAC address, and set both
+ * addresses when setting the MAC address.
+ */
+#define INTELX_RAL0 0x05400UL
+#define INTELX_RAL0_ALT 0x0a200UL
+
+/** Receive Address High */
+#define INTELX_RAH0 0x05404UL
+#define INTELX_RAH0_ALT 0x0a204UL
+#define INTELX_RAH0_AV		0x80000000UL	/**< Address valid */
+
+/** Receive Descriptor register block */
+#define INTELX_RD 0x01000UL
+
+/** Split Receive Control Register */
+#define INTELX_SRRCTL 0x02100UL
+#define INTELX_SRRCTL_BSIZE(kb)	( (kb) << 0 )	/**< Receive buffer size */
+#define INTELX_SRRCTL_BSIZE_DEFAULT INTELX_SRRCTL_BSIZE ( 0x02 )
+#define INTELX_SRRCTL_BSIZE_MASK INTELX_SRRCTL_BSIZE ( 0x1f )
+
+/** Receive DMA Control Register */
+#define INTELX_RDRXCTL 0x02f00UL
+#define INTELX_RDRXCTL_SECRC	0x00000001UL	/**< Strip CRC */
+
+/** Receive Control Register */
+#define INTELX_RXCTRL 0x03000UL
+#define INTELX_RXCTRL_RXEN	0x00000001UL	/**< Receive enable */
+
+/** Transmit DMA Control Register */
+#define INTELX_DMATXCTL 0x04a80UL
+#define INTELX_DMATXCTL_TE	0x00000001UL	/**< Transmit enable */
+
+/** Transmit Descriptor register block */
+#define INTELX_TD 0x06000UL
+
+/** RX DCA Control Register */
+#define INTELX_DCA_RXCTRL 0x02200UL
+#define INTELX_DCA_RXCTRL_MUST_BE_ZERO 0x00001000UL /**< Must be zero */
+
+/** MAC Core Control 0 Register */
+#define INTELX_HLREG0 0x04240UL
+#define INTELX_HLREG0_JUMBOEN	0x00000004UL	/**< Jumbo frame enable */
+
+/** Maximum Frame Size Register */
+#define INTELX_MAXFRS 0x04268UL
+#define INTELX_MAXFRS_MFS(len)	( (len) << 16 )	/**< Maximum frame size */
+#define INTELX_MAXFRS_MFS_DEFAULT \
+	INTELX_MAXFRS_MFS ( ETH_FRAME_LEN + 4 /* VLAN */ + 4 /* CRC */ )
+#define INTELX_MAXFRS_MFS_MASK	INTELX_MAXFRS_MFS ( 0xffff )
+
+/** Link Status Register */
+#define INTELX_LINKS 0x042a4UL
+#define INTELX_LINKS_UP		0x40000000UL	/**< Link up */
+
+#endif /* _INTELX_H */