Import preliminary support for Atmel AT91SAM9G20 cpu, and the Hot-e HL201.

This fine work was done by Yohanes Nugroho <yohanes a gmail dot com>
Many thanks to John Nicholls and Thinlinx for providing sample hardware.

1 files changed, 138 insertions, 0 deletions

diff --git a/sys/arm/at91/if_macbvar.h b/sys/arm/at91/if_macbvar.h
new file mode 100644
index 0000000..9a187ae
--- /dev/null
+++ b/sys/arm/at91/if_macbvar.h
@@ -0,0 +1,138 @@
+/*
+ * $FreeBSD$
+ */
+
+#ifndef	_IF_MACB_H
+#define	_IF_MACB_H
+
+#define	MACB_MAX_TX_BUFFERS	64
+#define	MACB_MAX_RX_BUFFERS	256
+
+#define MAX_FRAGMENT		20
+#define DATA_SIZE		128
+
+#define	MACB_DESC_INC(x, y)	((x) = ((x) + 1) % (y))
+
+#define MACB_TIMEOUT		1000
+
+struct eth_tx_desc {
+	uint32_t		addr;
+	uint32_t		flags;
+#define TD_OWN		(1 << 31)
+#define TD_LAST		(1 << 15)
+#define	TD_WRAP_MASK		(1 << 30)
+};
+
+struct eth_rx_desc {
+	uint32_t		addr;
+#define	RD_LEN_MASK		0x7ff
+#define	RD_WRAP_MASK		0x00000002
+#define	RD_OWN			0x00000001
+
+	uint32_t		flags;
+#define RD_BROADCAST		(1 << 31)
+#define RD_MULTICAST		(1 << 30)
+#define RD_UNICAST		(1 << 29)
+#define RD_EXTERNAL		(1 << 28)
+#define RD_TYPE_ID		(1 << 22)
+#define RD_PRIORITY		(1 << 20)
+#define RD_VLAN		(1 << 21)
+#define RD_CONCAT		(1 << 16)
+#define RD_EOF		(1 << 15)
+#define RD_SOF		(1 << 14)
+#define RD_OFFSET_MASK		(1 << 13)|(1 << 12)
+#define RD_LENGTH_MASK		(0x00000FFF)
+
+};
+
+
+struct rx_desc_info {
+	struct mbuf *buff;
+	bus_dmamap_t dmamap;
+};
+
+struct tx_desc_info {
+	struct mbuf *buff;
+	bus_dmamap_t dmamap;
+};
+
+
+struct macb_chain_data{	
+	struct mbuf		*rxhead;
+	struct mbuf		*rxtail;
+};
+
+struct macb_softc
+{
+	struct ifnet *ifp;		/* ifnet pointer */
+	struct mtx sc_mtx;		/* global mutex */
+
+	bus_dma_tag_t	sc_parent_tag;	/* parent bus DMA tag */
+
+	device_t dev;			/* Myself */
+	device_t miibus;		/* My child miibus */
+	void *intrhand;			/* Interrupt handle */
+	void *intrhand_qf;		/* queue full */
+	void *intrhand_tx;		/* tx complete */
+	void *intrhand_status;		/* error status */
+
+	struct resource *irq_res;	/* transmit */
+	struct resource *irq_res_rec;	/* receive */
+	struct resource *irq_res_qf;	/* queue full */
+	struct resource *irq_res_status; /* status */
+
+	struct resource	*mem_res;	/* Memory resource */
+
+	struct callout tick_ch;		/* Tick callout */
+
+	struct taskqueue *sc_tq;
+	struct task	sc_intr_task;
+	struct task	sc_tx_task;
+	struct task	sc_link_task;
+
+	bus_dmamap_t	dmamap_ring_tx;
+	bus_dmamap_t	dmamap_ring_rx;
+
+	/*dma tag for ring*/
+	bus_dma_tag_t	dmatag_ring_tx;
+	bus_dma_tag_t	dmatag_ring_rx;
+
+	/*dma tag for data*/
+	bus_dma_tag_t	dmatag_data_tx;
+	bus_dma_tag_t	dmatag_data_rx;
+
+	/*the ring*/
+	struct eth_tx_desc	*desc_tx;
+	struct eth_rx_desc	*desc_rx;
+
+	/*ring physical address*/
+	bus_addr_t	ring_paddr_tx;
+	bus_addr_t	ring_paddr_rx;
+
+	/*index of last received descriptor*/
+	int		rx_cons;
+	struct rx_desc_info rx_desc[MACB_MAX_RX_BUFFERS];
+
+	/* tx producer index */
+	uint32_t tx_prod;
+	/* tx consumer index */
+	uint32_t tx_cons;
+	int	tx_cnt;
+
+	struct tx_desc_info tx_desc[MACB_MAX_TX_BUFFERS];
+
+	int macb_watchdog_timer;
+
+#define	MACB_FLAG_LINK		0x0001
+
+	int flags;
+	int if_flags;
+	struct at91_pmc_clock *clk;
+
+	struct macb_chain_data	macb_cdata;
+	int clock;
+};
+
+
+
+#endif