[PATCH 1/7] smc911x: move register define to smc911x.h

Jean-Christophe PLAGNIOL-VILLARD plagnioj at jcrosoft.com
Tue Aug 14 13:32:14 EDT 2012


this make the driver more readable

Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj at jcrosoft.com>
---
 drivers/net/smc911x.c                |  329 +--------------------------
 drivers/net/{smc911x.c => smc911x.h} |  406 ----------------------------------
 2 files changed, 2 insertions(+), 733 deletions(-)
 copy drivers/net/{smc911x.c => smc911x.h} (60%)

diff --git a/drivers/net/smc911x.c b/drivers/net/smc911x.c
index 7dddbbc..9c488c7 100644
--- a/drivers/net/smc911x.c
+++ b/drivers/net/smc911x.c
@@ -38,334 +38,9 @@
 #include <clock.h>
 #include <io.h>
 
-#define AS CONFIG_DRIVER_NET_SMC911X_ADDRESS_SHIFT
 
-/* Below are the register offsets and bit definitions
- * of the Lan911x memory space
- */
-#define RX_DATA_FIFO		 (0x00 << AS)
-
-#define TX_DATA_FIFO		 (0x20 << AS)
-#define	TX_CMD_A_INT_ON_COMP			0x80000000
-#define	TX_CMD_A_INT_BUF_END_ALGN		0x03000000
-#define	TX_CMD_A_INT_4_BYTE_ALGN		0x00000000
-#define	TX_CMD_A_INT_16_BYTE_ALGN		0x01000000
-#define	TX_CMD_A_INT_32_BYTE_ALGN		0x02000000
-#define	TX_CMD_A_INT_DATA_OFFSET		0x001F0000
-#define	TX_CMD_A_INT_FIRST_SEG			0x00002000
-#define	TX_CMD_A_INT_LAST_SEG			0x00001000
-#define	TX_CMD_A_BUF_SIZE			0x000007FF
-#define	TX_CMD_B_PKT_TAG			0xFFFF0000
-#define	TX_CMD_B_ADD_CRC_DISABLE		0x00002000
-#define	TX_CMD_B_DISABLE_PADDING		0x00001000
-#define	TX_CMD_B_PKT_BYTE_LENGTH		0x000007FF
-
-#define RX_STATUS_FIFO		(0x40 << AS)
-#define	RX_STS_PKT_LEN				0x3FFF0000
-#define	RX_STS_ES				0x00008000
-#define	RX_STS_BCST				0x00002000
-#define	RX_STS_LEN_ERR				0x00001000
-#define	RX_STS_RUNT_ERR				0x00000800
-#define	RX_STS_MCAST				0x00000400
-#define	RX_STS_TOO_LONG				0x00000080
-#define	RX_STS_COLL				0x00000040
-#define	RX_STS_ETH_TYPE				0x00000020
-#define	RX_STS_WDOG_TMT				0x00000010
-#define	RX_STS_MII_ERR				0x00000008
-#define	RX_STS_DRIBBLING			0x00000004
-#define	RX_STS_CRC_ERR				0x00000002
-#define RX_STATUS_FIFO_PEEK 	(0x44 << AS)
-#define TX_STATUS_FIFO		(0x48 << AS)
-#define	TX_STS_TAG				0xFFFF0000
-#define	TX_STS_ES				0x00008000
-#define	TX_STS_LOC				0x00000800
-#define	TX_STS_NO_CARR				0x00000400
-#define	TX_STS_LATE_COLL			0x00000200
-#define	TX_STS_MANY_COLL			0x00000100
-#define	TX_STS_COLL_CNT				0x00000078
-#define	TX_STS_MANY_DEFER			0x00000004
-#define	TX_STS_UNDERRUN				0x00000002
-#define	TX_STS_DEFERRED				0x00000001
-#define TX_STATUS_FIFO_PEEK	(0x4C << AS)
-#define ID_REV			(0x50 << AS)
-#define	ID_REV_CHIP_ID				0xFFFF0000  /* RO */
-#define	ID_REV_REV_ID				0x0000FFFF  /* RO */
-
-#define INT_CFG			(0x54 << AS)
-#define	INT_CFG_INT_DEAS			0xFF000000  /* R/W */
-#define	INT_CFG_INT_DEAS_CLR			0x00004000
-#define	INT_CFG_INT_DEAS_STS			0x00002000
-#define	INT_CFG_IRQ_INT				0x00001000  /* RO */
-#define	INT_CFG_IRQ_EN				0x00000100  /* R/W */
-#define	INT_CFG_IRQ_POL				0x00000010  /* R/W Not Affected by SW Reset */
-#define	INT_CFG_IRQ_TYPE			0x00000001  /* R/W Not Affected by SW Reset */
-
-#define INT_STS			(0x58 << AS)
-#define	INT_STS_SW_INT				0x80000000  /* R/WC */
-#define	INT_STS_TXSTOP_INT			0x02000000  /* R/WC */
-#define	INT_STS_RXSTOP_INT			0x01000000  /* R/WC */
-#define	INT_STS_RXDFH_INT			0x00800000  /* R/WC */
-#define	INT_STS_RXDF_INT			0x00400000  /* R/WC */
-#define	INT_STS_TX_IOC				0x00200000  /* R/WC */
-#define	INT_STS_RXD_INT				0x00100000  /* R/WC */
-#define	INT_STS_GPT_INT				0x00080000  /* R/WC */
-#define	INT_STS_PHY_INT				0x00040000  /* RO */
-#define	INT_STS_PME_INT				0x00020000  /* R/WC */
-#define	INT_STS_TXSO				0x00010000  /* R/WC */
-#define	INT_STS_RWT				0x00008000  /* R/WC */
-#define	INT_STS_RXE				0x00004000  /* R/WC */
-#define	INT_STS_TXE				0x00002000  /* R/WC */
-//#define	INT_STS_ERX		0x00001000  /* R/WC */
-#define	INT_STS_TDFU				0x00000800  /* R/WC */
-#define	INT_STS_TDFO				0x00000400  /* R/WC */
-#define	INT_STS_TDFA				0x00000200  /* R/WC */
-#define	INT_STS_TSFF				0x00000100  /* R/WC */
-#define	INT_STS_TSFL				0x00000080  /* R/WC */
-//#define	INT_STS_RXDF		0x00000040  /* R/WC */
-#define	INT_STS_RDFO				0x00000040  /* R/WC */
-#define	INT_STS_RDFL				0x00000020  /* R/WC */
-#define	INT_STS_RSFF				0x00000010  /* R/WC */
-#define	INT_STS_RSFL				0x00000008  /* R/WC */
-#define	INT_STS_GPIO2_INT			0x00000004  /* R/WC */
-#define	INT_STS_GPIO1_INT			0x00000002  /* R/WC */
-#define	INT_STS_GPIO0_INT			0x00000001  /* R/WC */
-#define INT_EN			(0x5C << AS)
-#define	INT_EN_SW_INT_EN			0x80000000  /* R/W */
-#define	INT_EN_TXSTOP_INT_EN			0x02000000  /* R/W */
-#define	INT_EN_RXSTOP_INT_EN			0x01000000  /* R/W */
-#define	INT_EN_RXDFH_INT_EN			0x00800000  /* R/W */
-//#define	INT_EN_RXDF_INT_EN		0x00400000  /* R/W */
-#define	INT_EN_TIOC_INT_EN			0x00200000  /* R/W */
-#define	INT_EN_RXD_INT_EN			0x00100000  /* R/W */
-#define	INT_EN_GPT_INT_EN			0x00080000  /* R/W */
-#define	INT_EN_PHY_INT_EN			0x00040000  /* R/W */
-#define	INT_EN_PME_INT_EN			0x00020000  /* R/W */
-#define	INT_EN_TXSO_EN				0x00010000  /* R/W */
-#define	INT_EN_RWT_EN				0x00008000  /* R/W */
-#define	INT_EN_RXE_EN				0x00004000  /* R/W */
-#define	INT_EN_TXE_EN				0x00002000  /* R/W */
-//#define	INT_EN_ERX_EN			0x00001000  /* R/W */
-#define	INT_EN_TDFU_EN				0x00000800  /* R/W */
-#define	INT_EN_TDFO_EN				0x00000400  /* R/W */
-#define	INT_EN_TDFA_EN				0x00000200  /* R/W */
-#define	INT_EN_TSFF_EN				0x00000100  /* R/W */
-#define	INT_EN_TSFL_EN				0x00000080  /* R/W */
-//#define	INT_EN_RXDF_EN			0x00000040  /* R/W */
-#define	INT_EN_RDFO_EN				0x00000040  /* R/W */
-#define	INT_EN_RDFL_EN				0x00000020  /* R/W */
-#define	INT_EN_RSFF_EN				0x00000010  /* R/W */
-#define	INT_EN_RSFL_EN				0x00000008  /* R/W */
-#define	INT_EN_GPIO2_INT			0x00000004  /* R/W */
-#define	INT_EN_GPIO1_INT			0x00000002  /* R/W */
-#define	INT_EN_GPIO0_INT			0x00000001  /* R/W */
-
-#define BYTE_TEST		(0x64 << AS)
-#define FIFO_INT		(0x68 << AS)
-#define	FIFO_INT_TX_AVAIL_LEVEL			0xFF000000  /* R/W */
-#define	FIFO_INT_TX_STS_LEVEL			0x00FF0000  /* R/W */
-#define	FIFO_INT_RX_AVAIL_LEVEL			0x0000FF00  /* R/W */
-#define	FIFO_INT_RX_STS_LEVEL			0x000000FF  /* R/W */
-
-#define RX_CFG			(0x6C << AS)
-#define	RX_CFG_RX_END_ALGN			0xC0000000  /* R/W */
-#define		RX_CFG_RX_END_ALGN4		0x00000000  /* R/W */
-#define		RX_CFG_RX_END_ALGN16		0x40000000  /* R/W */
-#define		RX_CFG_RX_END_ALGN32		0x80000000  /* R/W */
-#define	RX_CFG_RX_DMA_CNT			0x0FFF0000  /* R/W */
-#define	RX_CFG_RX_DUMP				0x00008000  /* R/W */
-#define	RX_CFG_RXDOFF				0x00001F00  /* R/W */
-//#define	RX_CFG_RXBAD			0x00000001  /* R/W */
-
-#define TX_CFG			(0x70 << AS)
-//#define	TX_CFG_TX_DMA_LVL		0xE0000000	 /* R/W */
-//#define	TX_CFG_TX_DMA_CNT		0x0FFF0000	 /* R/W Self Clearing */
-#define	TX_CFG_TXS_DUMP				0x00008000  /* Self Clearing */
-#define	TX_CFG_TXD_DUMP				0x00004000  /* Self Clearing */
-#define	TX_CFG_TXSAO				0x00000004  /* R/W */
-#define	TX_CFG_TX_ON				0x00000002  /* R/W */
-#define	TX_CFG_STOP_TX				0x00000001  /* Self Clearing */
-
-#define HW_CFG			(0x74 << AS)
-#define	HW_CFG_TTM				0x00200000  /* R/W */
-#define	HW_CFG_SF				0x00100000  /* R/W */
-#define	HW_CFG_TX_FIF_SZ			0x000F0000  /* R/W */
-#define	HW_CFG_TR				0x00003000  /* R/W */
-#define	HW_CFG_PHY_CLK_SEL			0x00000060  /* R/W */
-#define	HW_CFG_PHY_CLK_SEL_INT_PHY 		0x00000000  /* R/W */
-#define	HW_CFG_PHY_CLK_SEL_EXT_PHY 		0x00000020  /* R/W */
-#define	HW_CFG_PHY_CLK_SEL_CLK_DIS 		0x00000040  /* R/W */
-#define	HW_CFG_SMI_SEL				0x00000010  /* R/W */
-#define	HW_CFG_EXT_PHY_DET			0x00000008  /* RO */
-#define	HW_CFG_EXT_PHY_EN			0x00000004  /* R/W */
-#define	HW_CFG_32_16_BIT_MODE			0x00000004  /* RO */
-#define	HW_CFG_SRST_TO				0x00000002  /* RO */
-#define	HW_CFG_SRST				0x00000001  /* Self Clearing */
-
-#define RX_DP_CTRL		(0x78 << AS)
-#define	RX_DP_CTRL_RX_FFWD			0x80000000  /* R/W */
-#define	RX_DP_CTRL_FFWD_BUSY			0x80000000  /* RO */
-
-#define RX_FIFO_INF		(0x7C << AS)
-#define	 RX_FIFO_INF_RXSUSED			0x00FF0000  /* RO */
-#define	 RX_FIFO_INF_RXDUSED			0x0000FFFF  /* RO */
-
-#define TX_FIFO_INF		(0x80 << AS)
-#define	TX_FIFO_INF_TSUSED			0x00FF0000  /* RO */
-#define	TX_FIFO_INF_TDFREE			0x0000FFFF  /* RO */
-
-#define PMT_CTRL		(0x84 << AS)
-#define	PMT_CTRL_PM_MODE			0x00003000  /* Self Clearing */
-#define	PMT_CTRL_PHY_RST			0x00000400  /* Self Clearing */
-#define	PMT_CTRL_WOL_EN				0x00000200  /* R/W */
-#define	PMT_CTRL_ED_EN				0x00000100  /* R/W */
-#define	PMT_CTRL_PME_TYPE			0x00000040  /* R/W Not Affected by SW Reset */
-#define	PMT_CTRL_WUPS				0x00000030  /* R/WC */
-#define	PMT_CTRL_WUPS_NOWAKE			0x00000000  /* R/WC */
-#define	PMT_CTRL_WUPS_ED			0x00000010  /* R/WC */
-#define	PMT_CTRL_WUPS_WOL			0x00000020  /* R/WC */
-#define	PMT_CTRL_WUPS_MULTI			0x00000030  /* R/WC */
-#define	PMT_CTRL_PME_IND			0x00000008  /* R/W */
-#define	PMT_CTRL_PME_POL			0x00000004  /* R/W */
-#define	PMT_CTRL_PME_EN				0x00000002  /* R/W Not Affected by SW Reset */
-#define	PMT_CTRL_READY				0x00000001  /* RO */
-
-#define GPIO_CFG		(0x88 << AS)
-#define	GPIO_CFG_LED3_EN			0x40000000  /* R/W */
-#define	GPIO_CFG_LED2_EN			0x20000000  /* R/W */
-#define	GPIO_CFG_LED1_EN			0x10000000  /* R/W */
-#define	GPIO_CFG_GPIO2_INT_POL			0x04000000  /* R/W */
-#define	GPIO_CFG_GPIO1_INT_POL			0x02000000  /* R/W */
-#define	GPIO_CFG_GPIO0_INT_POL			0x01000000  /* R/W */
-#define	GPIO_CFG_EEPR_EN			0x00700000  /* R/W */
-#define	GPIO_CFG_GPIOBUF2			0x00040000  /* R/W */
-#define	GPIO_CFG_GPIOBUF1			0x00020000  /* R/W */
-#define	GPIO_CFG_GPIOBUF0			0x00010000  /* R/W */
-#define	GPIO_CFG_GPIODIR2			0x00000400  /* R/W */
-#define	GPIO_CFG_GPIODIR1			0x00000200  /* R/W */
-#define	GPIO_CFG_GPIODIR0			0x00000100  /* R/W */
-#define	GPIO_CFG_GPIOD4				0x00000010  /* R/W */
-#define	GPIO_CFG_GPIOD3				0x00000008  /* R/W */
-#define	GPIO_CFG_GPIOD2				0x00000004  /* R/W */
-#define	GPIO_CFG_GPIOD1				0x00000002  /* R/W */
-#define	GPIO_CFG_GPIOD0				0x00000001  /* R/W */
-
-#define GPT_CFG			(0x8C << AS)
-#define	GPT_CFG_TIMER_EN			0x20000000  /* R/W */
-#define	GPT_CFG_GPT_LOAD			0x0000FFFF  /* R/W */
-
-#define GPT_CNT			(0x90 << AS)
-#define	GPT_CNT_GPT_CNT				0x0000FFFF  /* RO */
-
-#define ENDIAN			(0x98 << AS)
-#define FREE_RUN		(0x9C << AS)
-#define RX_DROP			(0xA0 << AS)
-#define MAC_CSR_CMD		(0xA4 << AS)
-#define	 MAC_CSR_CMD_CSR_BUSY			0x80000000  /* Self Clearing */
-#define	 MAC_CSR_CMD_R_NOT_W			0x40000000  /* R/W */
-#define	 MAC_CSR_CMD_CSR_ADDR			0x000000FF  /* R/W */
-
-#define MAC_CSR_DATA		(0xA8 << AS)
-#define AFC_CFG			(0xAC << AS)
-#define		AFC_CFG_AFC_HI			0x00FF0000  /* R/W */
-#define		AFC_CFG_AFC_LO			0x0000FF00  /* R/W */
-#define		AFC_CFG_BACK_DUR		0x000000F0  /* R/W */
-#define		AFC_CFG_FCMULT			0x00000008  /* R/W */
-#define		AFC_CFG_FCBRD			0x00000004  /* R/W */
-#define		AFC_CFG_FCADD			0x00000002  /* R/W */
-#define		AFC_CFG_FCANY			0x00000001  /* R/W */
-
-#define E2P_CMD			(0xB0 << AS)
-#define		E2P_CMD_EPC_BUSY		0x80000000  /* Self Clearing */
-#define		E2P_CMD_EPC_CMD			0x70000000  /* R/W */
-#define		E2P_CMD_EPC_CMD_READ		0x00000000  /* R/W */
-#define		E2P_CMD_EPC_CMD_EWDS		0x10000000  /* R/W */
-#define		E2P_CMD_EPC_CMD_EWEN		0x20000000  /* R/W */
-#define		E2P_CMD_EPC_CMD_WRITE		0x30000000  /* R/W */
-#define		E2P_CMD_EPC_CMD_WRAL		0x40000000  /* R/W */
-#define		E2P_CMD_EPC_CMD_ERASE		0x50000000  /* R/W */
-#define		E2P_CMD_EPC_CMD_ERAL		0x60000000  /* R/W */
-#define		E2P_CMD_EPC_CMD_RELOAD		0x70000000  /* R/W */
-#define		E2P_CMD_EPC_TIMEOUT		0x00000200  /* RO */
-#define		E2P_CMD_MAC_ADDR_LOADED		0x00000100  /* RO */
-#define		E2P_CMD_EPC_ADDR		0x000000FF  /* R/W */
-
-#define E2P_DATA		(0xB4 << AS)
-#define	E2P_DATA_EEPROM_DATA			0x000000FF  /* R/W */
-/* end of LAN register offsets and bit definitions */
-
-/* MAC Control and Status registers */
-#define MAC_CR			0x01  /* R/W */
-
-/* MAC_CR - MAC Control Register */
-#define MAC_CR_RXALL			0x80000000
-// TODO: delete this bit? It is not described in the data sheet.
-#define MAC_CR_HBDIS			0x10000000
-#define MAC_CR_RCVOWN			0x00800000
-#define MAC_CR_LOOPBK			0x00200000
-#define MAC_CR_FDPX			0x00100000
-#define MAC_CR_MCPAS			0x00080000
-#define MAC_CR_PRMS			0x00040000
-#define MAC_CR_INVFILT			0x00020000
-#define MAC_CR_PASSBAD			0x00010000
-#define MAC_CR_HFILT			0x00008000
-#define MAC_CR_HPFILT			0x00002000
-#define MAC_CR_LCOLL			0x00001000
-#define MAC_CR_BCAST			0x00000800
-#define MAC_CR_DISRTY			0x00000400
-#define MAC_CR_PADSTR			0x00000100
-#define MAC_CR_BOLMT_MASK		0x000000C0
-#define MAC_CR_DFCHK			0x00000020
-#define MAC_CR_TXEN			0x00000008
-#define MAC_CR_RXEN			0x00000004
-
-#define ADDRH			0x02	  /* R/W mask 0x0000FFFFUL */
-#define ADDRL			0x03	  /* R/W mask 0xFFFFFFFFUL */
-#define HASHH			0x04	  /* R/W */
-#define HASHL			0x05	  /* R/W */
-
-#define MII_ACC			0x06	  /* R/W */
-#define MII_ACC_PHY_ADDR		0x0000F800
-#define MII_ACC_MIIRINDA		0x000007C0
-#define MII_ACC_MII_WRITE		0x00000002
-#define MII_ACC_MII_BUSY		0x00000001
-
-#define MII_DATA		0x07	  /* R/W mask 0x0000FFFFUL */
-
-#ifdef FLOW
-#undef FLOW	/* clashed with include/asm/cpu/defBF561.h:1654 */
-#endif
-
-#define FLOW			0x08	  /* R/W */
-#define FLOW_FCPT			0xFFFF0000
-#define FLOW_FCPASS			0x00000004
-#define FLOW_FCEN			0x00000002
-#define FLOW_FCBSY			0x00000001
-
-#define VLAN1			0x09	  /* R/W mask 0x0000FFFFUL */
-#define VLAN1_VTI1			0x0000ffff
-
-#define VLAN2			0x0A	  /* R/W mask 0x0000FFFFUL */
-#define VLAN2_VTI2			0x0000ffff
-
-#define WUFF			0x0B	  /* WO */
-
-#define WUCSR			0x0C	  /* R/W */
-#define WUCSR_GUE			0x00000200
-#define WUCSR_WUFR			0x00000040
-#define WUCSR_MPR			0x00000020
-#define WUCSR_WAKE_EN			0x00000004
-#define WUCSR_MPEN			0x00000002
-
-/* Chip ID values */
-#define CHIP_9115	0x115
-#define CHIP_9116	0x116
-#define CHIP_9117	0x117
-#define CHIP_9118	0x118
-#define CHIP_9215	0x115a
-#define CHIP_9216	0x116a
-#define CHIP_9217	0x117a
-#define CHIP_9218	0x118a
-#define CHIP_9221	0x9221
+#define AS CONFIG_DRIVER_NET_SMC911X_ADDRESS_SHIFT
+#include "smc911x.h"
 
 struct smc911x_priv {
 	struct eth_device edev;
diff --git a/drivers/net/smc911x.c b/drivers/net/smc911x.h
similarity index 60%
copy from drivers/net/smc911x.c
copy to drivers/net/smc911x.h
index 7dddbbc..68f6590 100644
--- a/drivers/net/smc911x.c
+++ b/drivers/net/smc911x.h
@@ -22,24 +22,6 @@
  * MA 02111-1307 USA
  */
 
-#ifdef CONFIG_ENABLE_DEVICE_NOISE
-# define DEBUG
-#endif
-
-#include <common.h>
-
-#include <command.h>
-#include <net.h>
-#include <miidev.h>
-#include <malloc.h>
-#include <init.h>
-#include <xfuncs.h>
-#include <errno.h>
-#include <clock.h>
-#include <io.h>
-
-#define AS CONFIG_DRIVER_NET_SMC911X_ADDRESS_SHIFT
-
 /* Below are the register offsets and bit definitions
  * of the Lan911x memory space
  */
@@ -367,392 +349,4 @@
 #define CHIP_9218	0x118a
 #define CHIP_9221	0x9221
 
-struct smc911x_priv {
-	struct eth_device edev;
-	struct mii_device miidev;
-	void __iomem *base;
-};
-
-struct chip_id {
-	u16 id;
-	char *name;
-};
-
-static const struct chip_id chip_ids[] =  {
-	{ CHIP_9115, "LAN9115" },
-	{ CHIP_9116, "LAN9116" },
-	{ CHIP_9117, "LAN9117" },
-	{ CHIP_9118, "LAN9118" },
-	{ CHIP_9215, "LAN9215" },
-	{ CHIP_9216, "LAN9216" },
-	{ CHIP_9217, "LAN9217" },
-	{ CHIP_9218, "LAN9218" },
-	{ CHIP_9221, "LAN9221" },
-	{ 0, NULL },
-};
-
-#define DRIVERNAME "smc911x"
-
-static int smc911x_mac_wait_busy(struct smc911x_priv *priv)
-{
-	uint64_t start = get_time_ns();
-
-	while (!is_timeout(start, MSECOND)) {
-		if (!(readl(priv->base + MAC_CSR_CMD) & MAC_CSR_CMD_CSR_BUSY))
-			return 0;
-	}
-
-	printf("%s: mac timeout\n", __FUNCTION__);
-	return -1;
-}
-
-static u32 smc911x_get_mac_csr(struct eth_device *edev, u8 reg)
-{
-	struct smc911x_priv *priv = edev->priv;
-	ulong val;
-
-	smc911x_mac_wait_busy(priv);
-
-	writel(MAC_CSR_CMD_CSR_BUSY | MAC_CSR_CMD_R_NOT_W | reg,
-			priv->base + MAC_CSR_CMD);
-
-	smc911x_mac_wait_busy(priv);
-
-	val = readl(priv->base + MAC_CSR_DATA);
-
-	return val;
-}
-
-static void smc911x_set_mac_csr(struct eth_device *edev, u8 reg, u32 data)
-{
-	struct smc911x_priv *priv = edev->priv;
-
-	smc911x_mac_wait_busy(priv);
-
-	writel(data, priv->base + MAC_CSR_DATA);
-	writel(MAC_CSR_CMD_CSR_BUSY | reg, priv->base + MAC_CSR_CMD);
-
-	smc911x_mac_wait_busy(priv);
-}
-
-static int smc911x_get_ethaddr(struct eth_device *edev, unsigned char *m)
-{
-	unsigned long addrh, addrl;
-
-	addrh = smc911x_get_mac_csr(edev, ADDRH);
-	addrl = smc911x_get_mac_csr(edev, ADDRL);
-
-	m[0] = (addrl       ) & 0xff;
-	m[1] = (addrl >>  8 ) & 0xff;
-	m[2] = (addrl >> 16 ) & 0xff;
-	m[3] = (addrl >> 24 ) & 0xff;
-	m[4] = (addrh       ) & 0xff;
-	m[5] = (addrh >>  8 ) & 0xff;
-
-	/* we get 0xff when there is no eeprom connected */
-	if ((m[0] & m[1] & m[2] & m[3] & m[4] & m[5]) == 0xff)
-		return -1;
-
-	return 0;
-}
-
-static int smc911x_set_ethaddr(struct eth_device *edev, unsigned char *m)
-{
-	unsigned long addrh, addrl;
-
-	addrl = m[0] | m[1] << 8 | m[2] << 16 | m[3] << 24;
-	addrh = m[4] | m[5] << 8;
-	smc911x_set_mac_csr(edev, ADDRH, addrh);
-	smc911x_set_mac_csr(edev, ADDRL, addrl);
-
-	return 0;
-}
-
-static int smc911x_phy_read(struct mii_device *mdev, int phy_addr, int reg)
-{
-	struct eth_device *edev = mdev->edev;
-
-	while (smc911x_get_mac_csr(edev, MII_ACC) & MII_ACC_MII_BUSY);
-
-	smc911x_set_mac_csr(edev, MII_ACC, phy_addr << 11 | reg << 6 |
-			MII_ACC_MII_BUSY);
-
-	while (smc911x_get_mac_csr(edev, MII_ACC) & MII_ACC_MII_BUSY);
-
-	return smc911x_get_mac_csr(edev, MII_DATA);
-}
-
-static int smc911x_phy_write(struct mii_device *mdev, int phy_addr,
-	int reg, int val)
-{
-	struct eth_device *edev = mdev->edev;
-
-	while (smc911x_get_mac_csr(edev, MII_ACC) & MII_ACC_MII_BUSY);
-
-	smc911x_set_mac_csr(edev, MII_DATA, val);
-	smc911x_set_mac_csr(edev, MII_ACC,
-		phy_addr << 11 | reg << 6 | MII_ACC_MII_BUSY |
-		MII_ACC_MII_WRITE);
-
-	while (smc911x_get_mac_csr(edev, MII_ACC) & MII_ACC_MII_BUSY);
-
-	return 0;
-}
-
-static int smc911x_phy_reset(struct eth_device *edev)
-{
-	struct smc911x_priv *priv = edev->priv;
-	u32 reg;
-
-	reg = readl(priv->base + PMT_CTRL);
-	reg &= 0xfcf;
-	reg |= PMT_CTRL_PHY_RST;
-	writel(reg, priv->base + PMT_CTRL);
-
-	mdelay(100);
-
-	return 0;
-}
-
-static void smc911x_reset(struct eth_device *edev)
-{
-	struct smc911x_priv *priv = edev->priv;
-	uint64_t start;
-
-	/* Take out of PM setting first */
-	if (readl(priv->base + PMT_CTRL) & PMT_CTRL_READY) {
-		/* Write to the bytetest will take out of powerdown */
-		writel(0, priv->base + BYTE_TEST);
-
-		start = get_time_ns();
-		while(1) {
-			if ((readl(priv->base + PMT_CTRL) & PMT_CTRL_READY))
-				break;
-			if (is_timeout(start, 100 * USECOND)) {
-				dev_err(&edev->dev,
-						"timeout waiting for PM restore\n");
-				return;
-			}
-		}
-	}
-
-	/* Disable interrupts */
-	writel(0, priv->base + INT_EN);
-
-	writel(HW_CFG_SRST, priv->base + HW_CFG);
-
-	start = get_time_ns();
-	while(1) {
-		if (!(readl(priv->base + E2P_CMD) & E2P_CMD_EPC_BUSY))
-			break;
-		if (is_timeout(start, 10 * MSECOND)) {
-			dev_err(&edev->dev, "reset timeout\n");
-			return;
-		}
-	}
-
-	/* Reset the FIFO level and flow control settings */
-	smc911x_set_mac_csr(edev, FLOW, FLOW_FCPT | FLOW_FCEN);
-
-	writel(0x0050287F, priv->base + AFC_CFG);
-
-	/* Set to LED outputs */
-	writel(0x70070000, priv->base + GPIO_CFG);
-}
-
-static void smc911x_enable(struct eth_device *edev)
-{
-	struct smc911x_priv *priv = edev->priv;
-
-	/* Enable TX */
-	writel(8 << 16 | HW_CFG_SF, priv->base + HW_CFG);
-
-	writel(GPT_CFG_TIMER_EN | 10000, priv->base + GPT_CFG);
-
-	writel(TX_CFG_TX_ON, priv->base + TX_CFG);
-
-	/* no padding to start of packets */
-	writel(RX_CFG_RX_DUMP, priv->base + RX_CFG);
-}
-
-static int smc911x_eth_open(struct eth_device *edev)
-{
-	struct smc911x_priv *priv = (struct smc911x_priv *)edev->priv;
-
-	miidev_wait_aneg(&priv->miidev);
-	miidev_print_status(&priv->miidev);
-
-	/* Turn on Tx + Rx */
-	smc911x_enable(edev);
-	return 0;
-}
-
-static int smc911x_eth_send(struct eth_device *edev, void *packet, int length)
-{
-	struct smc911x_priv *priv = (struct smc911x_priv *)edev->priv;
-	u32 *data = (u32*)packet;
-	u32 tmplen;
-	u32 status;
-	uint64_t start;
-
-	writel(TX_CMD_A_INT_FIRST_SEG | TX_CMD_A_INT_LAST_SEG | length,
-			priv->base + TX_DATA_FIFO);
-	writel(length, priv->base + TX_DATA_FIFO);
-
-	tmplen = (length + 3) / 4;
-
-	while(tmplen--)
-		writel(*data++, priv->base + TX_DATA_FIFO);
-
-	/* wait for transmission */
-	start = get_time_ns();
-	while (1) {
-		if ((readl(priv->base + TX_FIFO_INF) &
-					TX_FIFO_INF_TSUSED) >> 16)
-			break;
-		if (is_timeout(start, 100 * MSECOND)) {
-			dev_err(&edev->dev, "TX timeout\n");
-			return -1;
-		}
-	}
-
-	/* get status. Ignore 'no carrier' error, it has no meaning for
-	 * full duplex operation
-	 */
-	status = readl(priv->base + TX_STATUS_FIFO) & (TX_STS_LOC |
-		TX_STS_LATE_COLL | TX_STS_MANY_COLL | TX_STS_MANY_DEFER |
-		TX_STS_UNDERRUN);
-
-	if(!status)
-		return 0;
-
-	dev_err(&edev->dev, "failed to send packet: %s%s%s%s%s\n",
-		status & TX_STS_LOC ? "TX_STS_LOC " : "",
-		status & TX_STS_LATE_COLL ? "TX_STS_LATE_COLL " : "",
-		status & TX_STS_MANY_COLL ? "TX_STS_MANY_COLL " : "",
-		status & TX_STS_MANY_DEFER ? "TX_STS_MANY_DEFER " : "",
-		status & TX_STS_UNDERRUN ? "TX_STS_UNDERRUN" : "");
-
-	return -1;
-}
-
-static void smc911x_eth_halt(struct eth_device *edev)
-{
-	struct smc911x_priv *priv = (struct smc911x_priv *)edev->priv;
-
-	/* Disable TX */
-	writel(TX_CFG_STOP_TX, priv->base + TX_CFG);
-
-//	smc911x_reset(edev);
-}
-
-static int smc911x_eth_rx(struct eth_device *edev)
-{
-	struct smc911x_priv *priv = (struct smc911x_priv *)edev->priv;
-	u32 *data = (u32 *)NetRxPackets[0];
-	u32 pktlen, tmplen;
-	u32 status;
-
-	if((readl(priv->base + RX_FIFO_INF) & RX_FIFO_INF_RXSUSED) >> 16) {
-		status = readl(priv->base + RX_STATUS_FIFO);
-		pktlen = (status & RX_STS_PKT_LEN) >> 16;
-
-		writel(0, priv->base + RX_CFG);
-
-		tmplen = (pktlen + 2 + 3) / 4;
-		while(tmplen--)
-			*data++ = readl(priv->base + RX_DATA_FIFO);
-
-		if(status & RX_STS_ES)
-			dev_err(&edev->dev, "dropped bad packet. Status: 0x%08x\n",
-				status);
-		else
-			net_receive(NetRxPackets[0], pktlen);
-	}
-
-	return 0;
-}
-
-static int smc911x_init_dev(struct eth_device *edev)
-{
-	struct smc911x_priv *priv = (struct smc911x_priv *)edev->priv;
-
-	smc911x_set_mac_csr(edev, MAC_CR, MAC_CR_TXEN | MAC_CR_RXEN |
-			MAC_CR_HBDIS);
-
-	miidev_restart_aneg(&priv->miidev);
-
-	return 0;
-}
-
-static int smc911x_probe(struct device_d *dev)
-{
-	struct eth_device *edev;
-	struct smc911x_priv *priv;
-	uint32_t val;
-	int i;
-	void __iomem *base;
-
-	base = dev_request_mem_region(dev, 0);
-
-	val = readl(base + BYTE_TEST);
-	if(val != 0x87654321) {
-		dev_err(dev, "no smc911x found on 0x%p (byte_test=0x%08x)\n",
-			base, val);
-		return -ENODEV;
-	}
-
-	val = readl(base + ID_REV) >> 16;
-	for(i = 0; chip_ids[i].id != 0; i++) {
-		if (chip_ids[i].id == val) break;
-	}
-	if (!chip_ids[i].id) {
-		dev_err(dev, "Unknown chip ID %04x\n", val);
-		return -ENODEV;
-	}
-
-	dev_info(dev, "detected %s controller\n", chip_ids[i].name);
-
-	priv = xzalloc(sizeof(*priv));
-	edev = &priv->edev;
-	edev->priv = priv;
-
-	edev->init = smc911x_init_dev;
-	edev->open = smc911x_eth_open;
-	edev->send = smc911x_eth_send;
-	edev->recv = smc911x_eth_rx;
-	edev->halt = smc911x_eth_halt;
-	edev->get_ethaddr = smc911x_get_ethaddr;
-	edev->set_ethaddr = smc911x_set_ethaddr;
-	edev->parent = dev;
-
-	priv->miidev.read = smc911x_phy_read;
-	priv->miidev.write = smc911x_phy_write;
-	priv->miidev.address = 1;
-	priv->miidev.flags = 0;
-	priv->miidev.edev = edev;
-	priv->miidev.parent = dev;
-	priv->base = base;
-
-	smc911x_reset(edev);
-	smc911x_phy_reset(edev);
-
-	mii_register(&priv->miidev);
-	eth_register(edev);
-
-        return 0;
-}
-
-static struct driver_d smc911x_driver = {
-        .name  = "smc911x",
-        .probe = smc911x_probe,
-};
-
-static int smc911x_init(void)
-{
-        register_driver(&smc911x_driver);
-        return 0;
-}
-
-device_initcall(smc911x_init);
 
-- 
1.7.10.4




More information about the barebox mailing list