AX88180: new gigabit network driver

Signed-off-by: Louis Su <louis@asix.com.tw>
Signed-off-by: Ben Warren <biggerbadderben@gmail.com>

1 files changed, 412 insertions, 0 deletions

diff --git a/drivers/net/ax88180.h b/drivers/net/ax88180.h
new file mode 100644
index 0000000..5254e7d
--- /dev/null
+++ b/drivers/net/ax88180.h
@@ -0,0 +1,412 @@
+/* ax88180.h: ASIX AX88180 Non-PCI Gigabit Ethernet u-boot driver */
+/*
+ *
+ *  This program is free software; you can distribute it and/or modify it
+ *  under the terms of the GNU General Public License (Version 2) as
+ *  published by the Free Software Foundation.
+ *
+ *  This program is distributed in the hope it will be useful, but WITHOUT
+ *  ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ *  FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ *  for more details.
+ *
+ *  You should have received a copy of the GNU General Public License along
+ *  with this program; if not, write to the Free Software Foundation, Inc.,
+ *  59 Temple Place - Suite 330, Boston MA 02111-1307, USA.
+ *
+ */
+
+#ifndef _AX88180_H_
+#define _AX88180_H_
+
+#include <asm/types.h>
+#include <config.h>
+
+typedef enum _ax88180_link_state {
+	INS_LINK_DOWN,
+	INS_LINK_UP,
+	INS_LINK_UNKNOWN
+} ax88180_link_state;
+
+struct ax88180_private {
+	unsigned char BusWidth;
+	unsigned char PadSize;
+	unsigned short PhyAddr;
+	unsigned short PhyID0;
+	unsigned short FirstTxDesc;
+	unsigned short NextTxDesc;
+	ax88180_link_state LinkState;
+};
+
+#define BUS_WIDTH_16			1
+#define BUS_WIDTH_32			2
+
+#define ENABLE_JUMBO			1
+#define DISABLE_JUMBO			0
+
+#define ENABLE_BURST			1
+#define DISABLE_BURST			0
+
+#define NORMAL_RX_MODE		0
+#define RX_LOOPBACK_MODE		1
+#define RX_INIFINIT_LOOP_MODE		2
+#define TX_INIFINIT_LOOP_MODE		3
+
+#define DEFAULT_ETH_MTU		1500
+
+/* Jumbo packet size 4086 bytes included 4 bytes CRC*/
+#define MAX_JUMBO_MTU		4072
+
+/* Max Tx Jumbo size 4086 bytes included 4 bytes CRC */
+#define MAX_TX_JUMBO_SIZE		4086
+
+/* Max Rx Jumbo size is 15K Bytes */
+#define MAX_RX_SIZE			0x3C00
+
+#define MARVELL_88E1111_PHYADDR	0x18
+#define MARVELL_88E1111_PHYIDR0	0x0141
+
+#define CICADA_CIS8201_PHYADDR	0x01
+#define CICADA_CIS8201_PHYIDR0		0x000F
+
+#define MEDIA_AUTO			0
+#define MEDIA_1000FULL			1
+#define MEDIA_1000HALF			2
+#define MEDIA_100FULL			3
+#define MEDIA_100HALF			4
+#define MEDIA_10FULL			5
+#define MEDIA_10HALF			6
+#define MEDIA_UNKNOWN		7
+
+#define AUTO_MEDIA			0
+#define FORCE_MEDIA			1
+
+#define TXDP_MASK			3
+#define TXDP0				0
+#define TXDP1				1
+#define TXDP2				2
+#define TXDP3				3
+
+#define CMD_MAP_SIZE			0x100
+
+#if defined (CONFIG_DRIVER_AX88180_16BIT)
+  #define AX88180_MEMORY_SIZE		0x00004000
+  #define START_BASE			0x1000
+
+  #define RX_BUF_SIZE			0x1000
+  #define TX_BUF_SIZE			0x0F00
+
+  #define TX_BASE			START_BASE
+  #define CMD_BASE			(TX_BASE + TX_BUF_SIZE)
+  #define RX_BASE			(CMD_BASE + CMD_MAP_SIZE)
+#else
+  #define AX88180_MEMORY_SIZE	0x00010000
+
+  #define RX_BUF_SIZE			0x8000
+  #define TX_BUF_SIZE			0x7C00
+
+  #define RX_BASE			0x0000
+  #define TX_BASE			(RX_BASE + RX_BUF_SIZE)
+  #define CMD_BASE			(TX_BASE + TX_BUF_SIZE)
+#endif
+
+/* AX88180 Memory Mapping Definition */
+#define RXBUFFER_START			RX_BASE
+  #define RX_PACKET_LEN_OFFSET	0
+  #define RX_PAGE_NUM_MASK		0x7FF	/* RX pages 0~7FFh */
+#define TXBUFFER_START			TX_BASE
+
+/* AX88180 MAC Register Definition */
+#define DECODE		(0)
+  #define DECODE_EN		0x00000001
+#define BASE		(6)
+#define CMD		(CMD_BASE + 0x0000)
+  #define WAKEMOD		0x00000001
+  #define TXEN			0x00000100
+  #define RXEN			0x00000200
+  #define DEFAULT_CMD		WAKEMOD
+#define IMR		(CMD_BASE + 0x0004)
+  #define IMR_RXBUFFOVR	0x00000001
+  #define IMR_WATCHDOG	0x00000002
+  #define IMR_TX		0x00000008
+  #define IMR_RX		0x00000010
+  #define IMR_PHY		0x00000020
+  #define CLEAR_IMR		0x00000000
+  #define DEFAULT_IMR		(IMR_PHY | IMR_RX | IMR_TX |\
+					 IMR_RXBUFFOVR | IMR_WATCHDOG)
+#define ISR		(CMD_BASE + 0x0008)
+  #define ISR_RXBUFFOVR	0x00000001
+  #define ISR_WATCHDOG	0x00000002
+  #define ISR_TX			0x00000008
+  #define ISR_RX			0x00000010
+  #define ISR_PHY		0x00000020
+#define TXCFG		(CMD_BASE + 0x0010)
+  #define AUTOPAD_CRC		0x00000050
+  #define DEFAULT_TXCFG	AUTOPAD_CRC
+#define TXCMD		(CMD_BASE + 0x0014)
+  #define TXCMD_TXDP_MASK	0x00006000
+  #define TXCMD_TXDP0		0x00000000
+  #define TXCMD_TXDP1		0x00002000
+  #define TXCMD_TXDP2		0x00004000
+  #define TXCMD_TXDP3		0x00006000
+  #define TX_START_WRITE	0x00008000
+  #define TX_STOP_WRITE		0x00000000
+  #define DEFAULT_TXCMD	0x00000000
+#define TXBS		(CMD_BASE + 0x0018)
+  #define TXDP0_USED		0x00000001
+  #define TXDP1_USED		0x00000002
+  #define TXDP2_USED		0x00000004
+  #define TXDP3_USED		0x00000008
+  #define DEFAULT_TXBS		0x00000000
+#define TXDES0		(CMD_BASE + 0x0020)
+  #define TXDPx_ENABLE		0x00008000
+  #define TXDPx_LEN_MASK	0x00001FFF
+  #define DEFAULT_TXDES0	0x00000000
+#define TXDES1		(CMD_BASE + 0x0024)
+  #define TXDPx_ENABLE		0x00008000
+  #define TXDPx_LEN_MASK	0x00001FFF
+  #define DEFAULT_TXDES1	0x00000000
+#define TXDES2		(CMD_BASE + 0x0028)
+  #define TXDPx_ENABLE		0x00008000
+  #define TXDPx_LEN_MASK	0x00001FFF
+  #define DEFAULT_TXDES2	0x00000000
+#define TXDES3		(CMD_BASE + 0x002C)
+  #define TXDPx_ENABLE		0x00008000
+  #define TXDPx_LEN_MASK	0x00001FFF
+  #define DEFAULT_TXDES3	0x00000000
+#define RXCFG		(CMD_BASE + 0x0030)
+  #define RXBUFF_PROTECT	0x00000001
+  #define RXTCPCRC_CHECK	0x00000010
+  #define RXFLOW_ENABLE	0x00000100
+  #define DEFAULT_RXCFG	RXBUFF_PROTECT
+#define RXCURT		(CMD_BASE + 0x0034)
+  #define DEFAULT_RXCURT	0x00000000
+#define RXBOUND	(CMD_BASE + 0x0038)
+  #define DEFAULT_RXBOUND	0x7FF		//RX pages 0~7FFh
+#define MACCFG0	(CMD_BASE + 0x0040)
+  #define MACCFG0_BIT3_0	0x00000007
+  #define IPGT_VAL		0x00000150
+  #define TXFLOW_ENABLE	0x00001000
+  #define SPEED100		0x00008000
+  #define DEFAULT_MACCFG0	(IPGT_VAL | MACCFG0_BIT3_0)
+#define MACCFG1	(CMD_BASE + 0x0044)
+  #define RGMII_EN		0x00000002
+  #define RXFLOW_EN		0x00000020
+  #define FULLDUPLEX		0x00000040
+  #define MAX_JUMBO_LEN	0x00000780
+  #define RXJUMBO_EN		0x00000800
+  #define GIGA_MODE_EN	0x00001000
+  #define RXCRC_CHECK		0x00002000
+  #define RXPAUSE_DA_CHECK	0x00004000
+
+  #define JUMBO_LEN_4K		0x00000200
+  #define JUMBO_LEN_15K	0x00000780
+  #define DEFAULT_MACCFG1	(RXCRC_CHECK | RXPAUSE_DA_CHECK | \
+				 RGMII_EN)
+  #define CICADA_DEFAULT_MACCFG1	(RXCRC_CHECK | RXPAUSE_DA_CHECK)
+#define MACCFG2		(CMD_BASE + 0x0048)
+  #define MACCFG2_BIT15_8	0x00000100
+  #define JAM_LIMIT_MASK	0x000000FC
+  #define DEFAULT_JAM_LIMIT	0x00000064
+  #define DEFAULT_MACCFG2	MACCFG2_BIT15_8
+#define MACCFG3		(CMD_BASE + 0x004C)
+  #define IPGR2_VAL		0x0000000E
+  #define IPGR1_VAL		0x00000600
+  #define NOABORT		0x00008000
+  #define DEFAULT_MACCFG3	(IPGR1_VAL | IPGR2_VAL)
+#define TXPAUT		(CMD_BASE + 0x0054)
+  #define DEFAULT_TXPAUT	0x001FE000
+#define RXBTHD0		(CMD_BASE + 0x0058)
+  #define DEFAULT_RXBTHD0	0x00000300
+#define RXBTHD1		(CMD_BASE + 0x005C)
+  #define DEFAULT_RXBTHD1	0x00000600
+#define RXFULTHD	(CMD_BASE + 0x0060)
+  #define DEFAULT_RXFULTHD	0x00000100
+#define MISC		(CMD_BASE + 0x0068)
+  /* Normal operation mode */
+  #define MISC_NORMAL		0x00000003
+  /* Clear bit 0 to reset MAC */
+  #define MISC_RESET_MAC	0x00000002
+  /* Clear bit 1 to reset PHY */
+  #define MISC_RESET_PHY	0x00000001
+  /* Clear bit 0 and 1 to reset MAC and PHY */
+  #define MISC_RESET_MAC_PHY	0x00000000
+  #define DEFAULT_MISC		MISC_NORMAL
+#define MACID0		(CMD_BASE + 0x0070)
+#define MACID1		(CMD_BASE + 0x0074)
+#define MACID2		(CMD_BASE + 0x0078)
+#define TXLEN		(CMD_BASE + 0x007C)
+  #define DEFAULT_TXLEN	0x000005FC
+#define RXFILTER	(CMD_BASE + 0x0080)
+  #define RX_RXANY		0x00000001
+  #define RX_MULTICAST		0x00000002
+  #define RX_UNICAST		0x00000004
+  #define RX_BROADCAST	0x00000008
+  #define RX_MULTI_HASH	0x00000010
+  #define DISABLE_RXFILTER	0x00000000
+  #define DEFAULT_RXFILTER	(RX_BROADCAST + RX_UNICAST)
+#define MDIOCTRL	(CMD_BASE + 0x0084)
+  #define PHY_ADDR_MASK	0x0000001F
+  #define REG_ADDR_MASK	0x00001F00
+  #define READ_PHY		0x00004000
+  #define WRITE_PHY		0x00008000
+#define MDIODP		(CMD_BASE + 0x0088)
+#define GPIOCTRL	(CMD_BASE + 0x008C)
+#define RXINDICATOR	(CMD_BASE + 0x0090)
+  #define RX_START_READ	0x00000001
+  #define RX_STOP_READ		0x00000000
+  #define DEFAULT_RXINDICATOR	RX_STOP_READ
+#define TXST		(CMD_BASE + 0x0094)
+#define MDCCLKPAT	(CMD_BASE + 0x00A0)
+#define RXIPCRCCNT	(CMD_BASE + 0x00A4)
+#define RXCRCCNT	(CMD_BASE + 0x00A8)
+#define TXFAILCNT	(CMD_BASE + 0x00AC)
+#define PROMDP		(CMD_BASE + 0x00B0)
+#define PROMCTRL	(CMD_BASE + 0x00B4)
+  #define RELOAD_EEPROM	0x00000200
+#define MAXRXLEN	(CMD_BASE + 0x00B8)
+#define HASHTAB0	(CMD_BASE + 0x00C0)
+#define HASHTAB1	(CMD_BASE + 0x00C4)
+#define HASHTAB2	(CMD_BASE + 0x00C8)
+#define HASHTAB3	(CMD_BASE + 0x00CC)
+#define DOGTHD0	(CMD_BASE + 0x00E0)
+  #define DEFAULT_DOGTHD0	0x0000FFFF
+#define DOGTHD1	(CMD_BASE + 0x00E4)
+  #define START_WATCHDOG_TIMER	0x00008000
+  #define DEFAULT_DOGTHD1		0x00000FFF
+#define SOFTRST		(CMD_BASE + 0x00EC)
+  #define SOFTRST_NORMAL	0x00000003
+  #define SOFTRST_RESET_MAC	0x00000002
+
+/* External PHY Register Definition */
+#define BMCR		0x0000
+  #define LINE_SPEED_MSB	0x0040
+  #define DUPLEX_MODE		0x0100
+  #define RESTART_AUTONEG	0x0200
+  #define POWER_DOWN		0x0800
+  #define AUTONEG_EN		0x1000
+  #define LINE_SPEED_LSB	0x2000
+  #define PHY_RESET		0x8000
+
+  #define MEDIAMODE_MASK	(LINE_SPEED_MSB | LINE_SPEED_LSB |\
+				 DUPLEX_MODE)
+  #define BMCR_SPEED_1000	LINE_SPEED_MSB
+  #define BMCR_SPEED_100	LINE_SPEED_LSB
+  #define BMCR_SPEED_10	0x0000
+
+  #define BMCR_1000FULL	(BMCR_SPEED_1000 | DUPLEX_MODE)
+  #define BMCR_100FULL		(BMCR_SPEED_100 | DUPLEX_MODE)
+  #define BMCR_100HALF		BMCR_SPEED_100
+  #define BMCR_10FULL		DUPLEX_MODE
+  #define BMCR_10HALF		0x0000
+#define BMSR		0x0001
+  #define LINKOK		0x0004
+  #define AUTONEG_ENABLE_STS	0x0008
+  #define AUTONEG_COMPLETE	0x0020
+#define PHYIDR0		0x0002
+#define PHYIDR1		0x0003
+#define ANAR		0x0004
+  #define ANAR_PAUSE		0x0400
+  #define ANAR_100FULL		0x0100
+  #define ANAR_100HALF		0x0080
+  #define ANAR_10FULL		0x0040
+  #define ANAR_10HALF		0x0020
+  #define ANAR_8023BIT		0x0001
+#define ANLPAR		0x0005
+#define ANER		0x0006
+#define AUX_1000_CTRL	0x0009
+  #define ENABLE_1000HALF	0x0100
+  #define ENABLE_1000FULL	0x0200
+  #define DEFAULT_AUX_1000_CTRL	(ENABLE_1000HALF | ENABLE_1000FULL)
+#define AUX_1000_STATUS	0x000A
+  #define LP_1000HALF		0x0400
+  #define LP_1000FULL		0x0800
+
+/* Marvell 88E1111 Gigabit PHY Register Definition */
+#define M88_SSR		0x0011
+  #define SSR_SPEED_MASK	0xC000
+  #define SSR_SPEED_1000		0x8000
+  #define SSR_SPEED_100		0x4000
+  #define SSR_SPEED_10		0x0000
+  #define SSR_DUPLEX		0x2000
+  #define SSR_MEDIA_RESOLVED_OK	0x0800
+
+  #define SSR_MEDIA_MASK	(SSR_SPEED_MASK | SSR_DUPLEX)
+  #define SSR_1000FULL		(SSR_SPEED_1000 | SSR_DUPLEX)
+  #define SSR_1000HALF		SSR_SPEED_1000
+  #define SSR_100FULL		(SSR_SPEED_100 | SSR_DUPLEX)
+  #define SSR_100HALF		SSR_SPEED_100
+  #define SSR_10FULL		(SSR_SPEED_10 | SSR_DUPLEX)
+  #define SSR_10HALF		SSR_SPEED_10
+#define M88_IER		0x0012
+  #define LINK_CHANGE_INT	0x0400
+#define M88_ISR		0x0013
+  #define LINK_CHANGE_STATUS	0x0400
+#define M88_EXT_SCR	0x0014
+  #define RGMII_RXCLK_DELAY	0x0080
+  #define RGMII_TXCLK_DELAY	0x0002
+  #define DEFAULT_EXT_SCR	(RGMII_TXCLK_DELAY | RGMII_RXCLK_DELAY)
+#define M88_EXT_SSR	0x001B
+  #define HWCFG_MODE_MASK	0x000F
+  #define RGMII_COPPER_MODE	0x000B
+
+/* CICADA CIS8201 Gigabit PHY Register Definition */
+#define CIS_IMR		0x0019
+  #define CIS_INT_ENABLE	0x8000
+  #define CIS_LINK_CHANGE_INT	0x2000
+#define CIS_ISR		0x001A
+  #define CIS_INT_PENDING	0x8000
+  #define CIS_LINK_CHANGE_STATUS	0x2000
+#define CIS_AUX_CTRL_STATUS	0x001C
+  #define CIS_AUTONEG_COMPLETE	0x8000
+  #define CIS_SPEED_MASK	0x0018
+  #define CIS_SPEED_1000		0x0010
+  #define CIS_SPEED_100		0x0008
+  #define CIS_SPEED_10		0x0000
+  #define CIS_DUPLEX		0x0020
+
+  #define CIS_MEDIA_MASK	(CIS_SPEED_MASK | CIS_DUPLEX)
+  #define CIS_1000FULL		(CIS_SPEED_1000 | CIS_DUPLEX)
+  #define CIS_1000HALF		CIS_SPEED_1000
+  #define CIS_100FULL		(CIS_SPEED_100 | CIS_DUPLEX)
+  #define CIS_100HALF		CIS_SPEED_100
+  #define CIS_10FULL		(CIS_SPEED_10 | CIS_DUPLEX)
+  #define CIS_10HALF		CIS_SPEED_10
+  #define CIS_SMI_PRIORITY	0x0004
+
+static inline unsigned short INW (struct eth_device *dev, unsigned long addr)
+{
+	return le16_to_cpu (*(volatile unsigned short *) (addr + dev->iobase));
+}
+
+static inline void OUTW (struct eth_device *dev, unsigned short command, unsigned long addr)
+{
+	*(volatile unsigned short *) ((addr + dev->iobase)) = cpu_to_le16 (command);
+}
+
+/*
+ Access RXBUFFER_START/TXBUFFER_START to read RX buffer/write TX buffer
+*/
+#if defined (CONFIG_DRIVER_AX88180_16BIT)
+static inline unsigned short READ_RXBUF (struct eth_device *dev)
+{
+	return le16_to_cpu (*(volatile unsigned short *) (RXBUFFER_START + dev->iobase));
+}
+
+static inline void WRITE_TXBUF (struct eth_device *dev, unsigned short data)
+{
+	*(volatile unsigned short *) ((TXBUFFER_START + dev->iobase)) = cpu_to_le16 (data);
+}
+#else
+static inline unsigned long READ_RXBUF (struct eth_device *dev)
+{
+	return le32_to_cpu (*(volatile unsigned long *) (RXBUFFER_START + dev->iobase));
+}
+
+static inline void WRITE_TXBUF (struct eth_device *dev, unsigned long data)
+{
+	*(volatile unsigned long *) ((TXBUFFER_START + dev->iobase)) = cpu_to_le32 (data);
+}
+#endif
+
+#endif /* _AX88180_H_ */