[atheros]: Add initial kernel 2.6.28 support for atheros target.

The include files moved from /include/asm-mips/mach-atheros/ to /arch/mips/include/asm/mach-atheros/
This patch is based on the old kernel 2.6.27 patches.


git-svn-id: svn://svn.openwrt.org/openwrt/trunk@14584 3c298f89-4303-0410-b956-a3cf2f4a3e73

1 files changed, 195 insertions, 0 deletions

diff --git a/target/linux/atheros/files-2.6.28/drivers/net/ar2313/ar2313.h b/target/linux/atheros/files-2.6.28/drivers/net/ar2313/ar2313.h
new file mode 100644
index 0000000000..9fa49caa79
--- /dev/null
+++ b/target/linux/atheros/files-2.6.28/drivers/net/ar2313/ar2313.h
@@ -0,0 +1,195 @@
+#ifndef _AR2313_H_
+#define _AR2313_H_
+
+#include <linux/autoconf.h>
+#include <asm/bootinfo.h>
+#include <ar531x_platform.h>
+
+/*
+ * probe link timer - 5 secs
+ */
+#define LINK_TIMER    (5*HZ)
+
+#define IS_DMA_TX_INT(X)   (((X) & (DMA_STATUS_TI)) != 0)
+#define IS_DMA_RX_INT(X)   (((X) & (DMA_STATUS_RI)) != 0)
+#define IS_DRIVER_OWNED(X) (((X) & (DMA_TX_OWN))    == 0)
+
+#define AR2313_TX_TIMEOUT (HZ/4)
+
+/*
+ * Rings
+ */
+#define DSC_RING_ENTRIES_SIZE	(AR2313_DESCR_ENTRIES * sizeof(struct desc))
+#define DSC_NEXT(idx)	        ((idx + 1) & (AR2313_DESCR_ENTRIES - 1))
+
+static inline int tx_space(u32 csm, u32 prd)
+{
+	return (csm - prd - 1) & (AR2313_DESCR_ENTRIES - 1);
+}
+
+#if MAX_SKB_FRAGS
+#define TX_RESERVED	(MAX_SKB_FRAGS+1)	/* +1 for message header */
+#define tx_ring_full(csm, prd)	(tx_space(csm, prd) <= TX_RESERVED)
+#else
+#define tx_ring_full		0
+#endif
+
+#define AR2313_MBGET		2
+#define AR2313_MBSET    	3
+#define AR2313_PCI_RECONFIG	4
+#define AR2313_PCI_DUMP  	5
+#define AR2313_TEST_PANIC	6
+#define AR2313_TEST_NULLPTR	7
+#define AR2313_READ_DATA	8
+#define AR2313_WRITE_DATA	9
+#define AR2313_GET_VERSION	10
+#define AR2313_TEST_HANG	11
+#define AR2313_SYNC		12
+
+
+//
+// New Combo structure for Both Eth0 AND eth1
+//
+typedef struct {
+	volatile unsigned int mac_control;	/* 0x00 */
+	volatile unsigned int mac_addr[2];	/* 0x04 - 0x08 */
+	volatile unsigned int mcast_table[2];	/* 0x0c - 0x10 */
+	volatile unsigned int mii_addr;	/* 0x14 */
+	volatile unsigned int mii_data;	/* 0x18 */
+	volatile unsigned int flow_control;	/* 0x1c */
+	volatile unsigned int vlan_tag;	/* 0x20 */
+	volatile unsigned int pad[7];	/* 0x24 - 0x3c */
+	volatile unsigned int ucast_table[8];	/* 0x40-0x5c */
+
+} ETHERNET_STRUCT;
+
+/********************************************************************
+ * Interrupt controller
+ ********************************************************************/
+
+typedef struct {
+	volatile unsigned int wdog_control;	/* 0x08 */
+	volatile unsigned int wdog_timer;	/* 0x0c */
+	volatile unsigned int misc_status;	/* 0x10 */
+	volatile unsigned int misc_mask;	/* 0x14 */
+	volatile unsigned int global_status;	/* 0x18 */
+	volatile unsigned int reserved;	/* 0x1c */
+	volatile unsigned int reset_control;	/* 0x20 */
+} INTERRUPT;
+
+/********************************************************************
+ * DMA controller
+ ********************************************************************/
+typedef struct {
+	volatile unsigned int bus_mode;	/* 0x00 (CSR0) */
+	volatile unsigned int xmt_poll;	/* 0x04 (CSR1) */
+	volatile unsigned int rcv_poll;	/* 0x08 (CSR2) */
+	volatile unsigned int rcv_base;	/* 0x0c (CSR3) */
+	volatile unsigned int xmt_base;	/* 0x10 (CSR4) */
+	volatile unsigned int status;	/* 0x14 (CSR5) */
+	volatile unsigned int control;	/* 0x18 (CSR6) */
+	volatile unsigned int intr_ena;	/* 0x1c (CSR7) */
+	volatile unsigned int rcv_missed;	/* 0x20 (CSR8) */
+	volatile unsigned int reserved[11];	/* 0x24-0x4c (CSR9-19) */
+	volatile unsigned int cur_tx_buf_addr;	/* 0x50 (CSR20) */
+	volatile unsigned int cur_rx_buf_addr;	/* 0x50 (CSR21) */
+} DMA;
+
+/*
+ * Struct private for the Sibyte.
+ *
+ * Elements are grouped so variables used by the tx handling goes
+ * together, and will go into the same cache lines etc. in order to
+ * avoid cache line contention between the rx and tx handling on SMP.
+ *
+ * Frequently accessed variables are put at the beginning of the
+ * struct to help the compiler generate better/shorter code.
+ */
+struct ar2313_private {
+	struct net_device *dev;
+	int version;
+	u32 mb[2];
+
+	volatile ETHERNET_STRUCT *phy_regs;
+	volatile ETHERNET_STRUCT *eth_regs;
+	volatile DMA *dma_regs;
+	volatile u32 *int_regs;
+	struct ar531x_eth *cfg;
+
+	spinlock_t lock;			/* Serialise access to device */
+
+	/*
+	 * RX and TX descriptors, must be adjacent
+	 */
+	ar2313_descr_t *rx_ring;
+	ar2313_descr_t *tx_ring;
+
+
+	struct sk_buff **rx_skb;
+	struct sk_buff **tx_skb;
+
+	/*
+	 * RX elements
+	 */
+	u32 rx_skbprd;
+	u32 cur_rx;
+
+	/*
+	 * TX elements
+	 */
+	u32 tx_prd;
+	u32 tx_csm;
+
+	/*
+	 * Misc elements
+	 */
+	int board_idx;
+	char name[48];
+	struct {
+		u32 address;
+		u32 length;
+		char *mapping;
+	} desc;
+
+
+	struct timer_list link_timer;
+	unsigned short phy;			/* merlot phy = 1, samsung phy = 0x1f */
+	unsigned short mac;
+	unsigned short link;		/* 0 - link down, 1 - link up */
+	u16 phyData;
+
+	struct tasklet_struct rx_tasklet;
+	int unloading;
+
+	struct phy_device *phy_dev;
+	struct mii_bus mii_bus;
+	int oldduplex;
+};
+
+
+/*
+ * Prototypes
+ */
+static int ar2313_init(struct net_device *dev);
+#ifdef TX_TIMEOUT
+static void ar2313_tx_timeout(struct net_device *dev);
+#endif
+#if 0
+static void ar2313_multicast_list(struct net_device *dev);
+#endif
+static int ar2313_restart(struct net_device *dev);
+#if DEBUG
+static void ar2313_dump_regs(struct net_device *dev);
+#endif
+static void ar2313_load_rx_ring(struct net_device *dev, int bufs);
+static irqreturn_t ar2313_interrupt(int irq, void *dev_id);
+static int ar2313_open(struct net_device *dev);
+static int ar2313_start_xmit(struct sk_buff *skb, struct net_device *dev);
+static int ar2313_close(struct net_device *dev);
+static int ar2313_ioctl(struct net_device *dev, struct ifreq *ifr,
+						int cmd);
+static void ar2313_init_cleanup(struct net_device *dev);
+static int ar2313_setup_timer(struct net_device *dev);
+static void ar2313_link_timer_fn(unsigned long data);
+static void ar2313_check_link(struct net_device *dev);
+#endif							/* _AR2313_H_ */