[brcm63xx] move files to files-2.6.30, to ease newer kernel integration

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@19471 3c298f89-4303-0410-b956-a3cf2f4a3e73

target/linux/brcm63xx/files-2.6.30/drivers/net/bcm63xx_enet.h

@@ -0,0 +1,303 @@
+#ifndef BCM63XX_ENET_H_
+#define BCM63XX_ENET_H_
+
+#include <linux/types.h>
+#include <linux/mii.h>
+#include <linux/mutex.h>
+#include <linux/phy.h>
+#include <linux/platform_device.h>
+
+#include <bcm63xx_regs.h>
+#include <bcm63xx_irq.h>
+#include <bcm63xx_io.h>
+
+/* default number of descriptor */
+#define BCMENET_DEF_RX_DESC	64
+#define BCMENET_DEF_TX_DESC	32
+
+/* maximum burst len for dma (4 bytes unit) */
+#define BCMENET_DMA_MAXBURST	16
+
+/* tx transmit threshold (4 bytes unit), fifo is 256 bytes, the value
+ * must be low enough so that a DMA transfer of above burst length can
+ * not overflow the fifo  */
+#define BCMENET_TX_FIFO_TRESH	32
+
+/*
+ * hardware maximum rx/tx packet size including FCS, max mtu is
+ * actually 2047, but if we set max rx size register to 2047 we won't
+ * get overflow information if packet size is 2048 or above
+ */
+#define BCMENET_MAX_MTU		2046
+
+/*
+ * rx/tx dma descriptor
+ */
+struct bcm_enet_desc {
+	u32 len_stat;
+	u32 address;
+};
+
+#define DMADESC_LENGTH_SHIFT	16
+#define DMADESC_LENGTH_MASK	(0xfff << DMADESC_LENGTH_SHIFT)
+#define DMADESC_OWNER_MASK	(1 << 15)
+#define DMADESC_EOP_MASK	(1 << 14)
+#define DMADESC_SOP_MASK	(1 << 13)
+#define DMADESC_ESOP_MASK	(DMADESC_EOP_MASK | DMADESC_SOP_MASK)
+#define DMADESC_WRAP_MASK	(1 << 12)
+
+#define DMADESC_UNDER_MASK	(1 << 9)
+#define DMADESC_APPEND_CRC	(1 << 8)
+#define DMADESC_OVSIZE_MASK	(1 << 4)
+#define DMADESC_RXER_MASK	(1 << 2)
+#define DMADESC_CRC_MASK	(1 << 1)
+#define DMADESC_OV_MASK		(1 << 0)
+#define DMADESC_ERR_MASK	(DMADESC_UNDER_MASK | \
+				DMADESC_OVSIZE_MASK | \
+				DMADESC_RXER_MASK | \
+				DMADESC_CRC_MASK | \
+				DMADESC_OV_MASK)
+
+
+/*
+ * MIB Counters register definitions
+*/
+#define ETH_MIB_TX_GD_OCTETS			0
+#define ETH_MIB_TX_GD_PKTS			1
+#define ETH_MIB_TX_ALL_OCTETS			2
+#define ETH_MIB_TX_ALL_PKTS			3
+#define ETH_MIB_TX_BRDCAST			4
+#define ETH_MIB_TX_MULT				5
+#define ETH_MIB_TX_64				6
+#define ETH_MIB_TX_65_127			7
+#define ETH_MIB_TX_128_255			8
+#define ETH_MIB_TX_256_511			9
+#define ETH_MIB_TX_512_1023			10
+#define ETH_MIB_TX_1024_MAX			11
+#define ETH_MIB_TX_JAB				12
+#define ETH_MIB_TX_OVR				13
+#define ETH_MIB_TX_FRAG				14
+#define ETH_MIB_TX_UNDERRUN			15
+#define ETH_MIB_TX_COL				16
+#define ETH_MIB_TX_1_COL			17
+#define ETH_MIB_TX_M_COL			18
+#define ETH_MIB_TX_EX_COL			19
+#define ETH_MIB_TX_LATE				20
+#define ETH_MIB_TX_DEF				21
+#define ETH_MIB_TX_CRS				22
+#define ETH_MIB_TX_PAUSE			23
+
+#define ETH_MIB_RX_GD_OCTETS			32
+#define ETH_MIB_RX_GD_PKTS			33
+#define ETH_MIB_RX_ALL_OCTETS			34
+#define ETH_MIB_RX_ALL_PKTS			35
+#define ETH_MIB_RX_BRDCAST			36
+#define ETH_MIB_RX_MULT				37
+#define ETH_MIB_RX_64				38
+#define ETH_MIB_RX_65_127			39
+#define ETH_MIB_RX_128_255			40
+#define ETH_MIB_RX_256_511			41
+#define ETH_MIB_RX_512_1023			42
+#define ETH_MIB_RX_1024_MAX			43
+#define ETH_MIB_RX_JAB				44
+#define ETH_MIB_RX_OVR				45
+#define ETH_MIB_RX_FRAG				46
+#define ETH_MIB_RX_DROP				47
+#define ETH_MIB_RX_CRC_ALIGN			48
+#define ETH_MIB_RX_UND				49
+#define ETH_MIB_RX_CRC				50
+#define ETH_MIB_RX_ALIGN			51
+#define ETH_MIB_RX_SYM				52
+#define ETH_MIB_RX_PAUSE			53
+#define ETH_MIB_RX_CNTRL			54
+
+
+struct bcm_enet_mib_counters {
+	u64 tx_gd_octets;
+	u32 tx_gd_pkts;
+	u32 tx_all_octets;
+	u32 tx_all_pkts;
+	u32 tx_brdcast;
+	u32 tx_mult;
+	u32 tx_64;
+	u32 tx_65_127;
+	u32 tx_128_255;
+	u32 tx_256_511;
+	u32 tx_512_1023;
+	u32 tx_1024_max;
+	u32 tx_jab;
+	u32 tx_ovr;
+	u32 tx_frag;
+	u32 tx_underrun;
+	u32 tx_col;
+	u32 tx_1_col;
+	u32 tx_m_col;
+	u32 tx_ex_col;
+	u32 tx_late;
+	u32 tx_def;
+	u32 tx_crs;
+	u32 tx_pause;
+	u64 rx_gd_octets;
+	u32 rx_gd_pkts;
+	u32 rx_all_octets;
+	u32 rx_all_pkts;
+	u32 rx_brdcast;
+	u32 rx_mult;
+	u32 rx_64;
+	u32 rx_65_127;
+	u32 rx_128_255;
+	u32 rx_256_511;
+	u32 rx_512_1023;
+	u32 rx_1024_max;
+	u32 rx_jab;
+	u32 rx_ovr;
+	u32 rx_frag;
+	u32 rx_drop;
+	u32 rx_crc_align;
+	u32 rx_und;
+	u32 rx_crc;
+	u32 rx_align;
+	u32 rx_sym;
+	u32 rx_pause;
+	u32 rx_cntrl;
+};
+
+
+struct bcm_enet_priv {
+
+	/* mac id (from platform device id) */
+	int mac_id;
+
+	/* base remapped address of device */
+	void __iomem *base;
+
+	/* mac irq, rx_dma irq, tx_dma irq */
+	int irq;
+	int irq_rx;
+	int irq_tx;
+
+	/* hw view of rx & tx dma ring */
+	dma_addr_t rx_desc_dma;
+	dma_addr_t tx_desc_dma;
+
+	/* allocated size (in bytes) for rx & tx dma ring */
+	unsigned int rx_desc_alloc_size;
+	unsigned int tx_desc_alloc_size;
+
+
+	struct napi_struct napi;
+
+	/* dma channel id for rx */
+	int rx_chan;
+
+	/* number of dma desc in rx ring */
+	int rx_ring_size;
+
+	/* cpu view of rx dma ring */
+	struct bcm_enet_desc *rx_desc_cpu;
+
+	/* current number of armed descriptor given to hardware for rx */
+	int rx_desc_count;
+
+	/* next rx descriptor to fetch from hardware */
+	int rx_curr_desc;
+
+	/* next dirty rx descriptor to refill */
+	int rx_dirty_desc;
+
+	/* size of allocated rx skbs */
+	unsigned int rx_skb_size;
+
+	/* list of skb given to hw for rx */
+	struct sk_buff **rx_skb;
+
+	/* used when rx skb allocation failed, so we defer rx queue
+	 * refill */
+	struct timer_list rx_timeout;
+
+	/* lock rx_timeout against rx normal operation */
+	spinlock_t rx_lock;
+
+
+	/* dma channel id for tx */
+	int tx_chan;
+
+	/* number of dma desc in tx ring */
+	int tx_ring_size;
+
+	/* cpu view of rx dma ring */
+	struct bcm_enet_desc *tx_desc_cpu;
+
+	/* number of available descriptor for tx */
+	int tx_desc_count;
+
+	/* next tx descriptor avaiable */
+	int tx_curr_desc;
+
+	/* next dirty tx descriptor to reclaim */
+	int tx_dirty_desc;
+
+	/* list of skb given to hw for tx */
+	struct sk_buff **tx_skb;
+
+	/* lock used by tx reclaim and xmit */
+	spinlock_t tx_lock;
+
+
+	/* set if internal phy is ignored and external mii interface
+	 * is selected */
+	int use_external_mii;
+
+	/* set if a phy is connected, phy address must be known,
+	 * probing is not possible */
+	int has_phy;
+	int phy_id;
+
+	/* set if connected phy has an associated irq */
+	int has_phy_interrupt;
+	int phy_interrupt;
+
+	/* used when a phy is connected (phylib used) */
+	struct mii_bus mii_bus;
+	struct phy_device *phydev;
+	int old_link;
+	int old_duplex;
+	int old_pause;
+
+	/* used when no phy is connected */
+	int force_speed_100;
+	int force_duplex_full;
+
+	/* pause parameters */
+	int pause_auto;
+	int pause_rx;
+	int pause_tx;
+
+	/* stats */
+	struct net_device_stats stats;
+	struct bcm_enet_mib_counters mib;
+
+	/* after mib interrupt, mib registers update is done in this
+	 * work queue */
+	struct work_struct mib_update_task;
+
+	/* lock mib update between userspace request and workqueue */
+	struct mutex mib_update_lock;
+
+	/* mac clock */
+	struct clk *mac_clk;
+
+	/* phy clock if internal phy is used */
+	struct clk *phy_clk;
+
+	/* network device reference */
+	struct net_device *net_dev;
+
+	/* platform device reference */
+	struct platform_device *pdev;
+
+	/* maximum hardware transmit/receive size */
+	unsigned int hw_mtu;
+};
+
+#endif /* ! BCM63XX_ENET_H_ */

target/linux/brcm63xx/files-2.6.30/drivers/net/phy/bcm63xx.c

@@ -0,0 +1,132 @@
+/*
+ *	Driver for Broadcom 63xx SOCs integrated PHYs
+ *
+ *	This program is free software; you can redistribute it and/or
+ *	modify it under the terms of the GNU General Public License
+ *	as published by the Free Software Foundation; either version
+ *	2 of the License, or (at your option) any later version.
+ */
+#include <linux/module.h>
+#include <linux/phy.h>
+
+#define MII_BCM63XX_IR		0x1a	/* interrupt register */
+#define MII_BCM63XX_IR_EN	0x4000	/* global interrupt enable */
+#define MII_BCM63XX_IR_DUPLEX	0x0800	/* duplex changed */
+#define MII_BCM63XX_IR_SPEED	0x0400	/* speed changed */
+#define MII_BCM63XX_IR_LINK	0x0200	/* link changed */
+#define MII_BCM63XX_IR_GMASK	0x0100	/* global interrupt mask */
+
+MODULE_DESCRIPTION("Broadcom 63xx internal PHY driver");
+MODULE_AUTHOR("Maxime Bizon <mbizon@freebox.fr>");
+MODULE_LICENSE("GPL");
+
+static int bcm63xx_config_init(struct phy_device *phydev)
+{
+	int reg, err;
+
+	reg = phy_read(phydev, MII_BCM63XX_IR);
+	if (reg < 0)
+		return reg;
+
+	/* Mask interrupts globally.  */
+	reg |= MII_BCM63XX_IR_GMASK;
+	err = phy_write(phydev, MII_BCM63XX_IR, reg);
+	if (err < 0)
+		return err;
+
+	/* Unmask events we are interested in  */
+	reg = ~(MII_BCM63XX_IR_DUPLEX |
+		MII_BCM63XX_IR_SPEED |
+		MII_BCM63XX_IR_LINK) |
+		MII_BCM63XX_IR_EN;
+	err = phy_write(phydev, MII_BCM63XX_IR, reg);
+	if (err < 0)
+		return err;
+	return 0;
+}
+
+static int bcm63xx_ack_interrupt(struct phy_device *phydev)
+{
+	int reg;
+
+	/* Clear pending interrupts.  */
+	reg = phy_read(phydev, MII_BCM63XX_IR);
+	if (reg < 0)
+		return reg;
+
+	return 0;
+}
+
+static int bcm63xx_config_intr(struct phy_device *phydev)
+{
+	int reg, err;
+
+	reg = phy_read(phydev, MII_BCM63XX_IR);
+	if (reg < 0)
+		return reg;
+
+	if (phydev->interrupts == PHY_INTERRUPT_ENABLED)
+		reg &= ~MII_BCM63XX_IR_GMASK;
+	else
+		reg |= MII_BCM63XX_IR_GMASK;
+
+	err = phy_write(phydev, MII_BCM63XX_IR, reg);
+	return err;
+}
+
+static struct phy_driver bcm63xx_1_driver = {
+	.phy_id		= 0x00406000,
+	.phy_id_mask	= 0xfffffc00,
+	.name		= "Broadcom BCM63XX (1)",
+	/* ASYM_PAUSE bit is marked RO in datasheet, so don't cheat */
+	.features	= (PHY_BASIC_FEATURES | SUPPORTED_Pause),
+	.flags		= PHY_HAS_INTERRUPT,
+	.config_init	= bcm63xx_config_init,
+	.config_aneg	= genphy_config_aneg,
+	.read_status	= genphy_read_status,
+	.ack_interrupt	= bcm63xx_ack_interrupt,
+	.config_intr	= bcm63xx_config_intr,
+	.driver		= { .owner = THIS_MODULE },
+};
+
+/* same phy as above, with just a different OUI */
+static struct phy_driver bcm63xx_2_driver = {
+	.phy_id		= 0x002bdc00,
+	.phy_id_mask	= 0xfffffc00,
+	.name		= "Broadcom BCM63XX (2)",
+	.features	= (PHY_BASIC_FEATURES | SUPPORTED_Pause),
+	.flags		= PHY_HAS_INTERRUPT,
+	.config_init	= bcm63xx_config_init,
+	.config_aneg	= genphy_config_aneg,
+	.read_status	= genphy_read_status,
+	.ack_interrupt	= bcm63xx_ack_interrupt,
+	.config_intr	= bcm63xx_config_intr,
+	.driver		= { .owner = THIS_MODULE },
+};
+
+static int __init bcm63xx_phy_init(void)
+{
+	int ret;
+
+	ret = phy_driver_register(&bcm63xx_1_driver);
+	if (ret)
+		goto out_63xx_1;
+	ret = phy_driver_register(&bcm63xx_2_driver);
+	if (ret)
+		goto out_63xx_2;
+	return ret;
+
+out_63xx_2:
+	phy_driver_unregister(&bcm63xx_1_driver);
+out_63xx_1:
+	return ret;
+}
+
+static void __exit bcm63xx_phy_exit(void)
+{
+	phy_driver_unregister(&bcm63xx_1_driver);
+	phy_driver_unregister(&bcm63xx_2_driver);
+}
+
+module_init(bcm63xx_phy_init);
+module_exit(bcm63xx_phy_exit);