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-rw-r--r--drivers/net/Makefile1
-rw-r--r--drivers/net/smc911x.c686
2 files changed, 687 insertions, 0 deletions
diff --git a/drivers/net/Makefile b/drivers/net/Makefile
index a4c1768..d5e413b 100644
--- a/drivers/net/Makefile
+++ b/drivers/net/Makefile
@@ -55,6 +55,7 @@ COBJS-y += rtl8139.o
COBJS-y += rtl8169.o
COBJS-y += s3c4510b_eth.o
COBJS-y += smc91111.o
+COBJS-y += smc911x.o
COBJS-y += tigon3.o
COBJS-y += tsec.o
COBJS-y += tsi108_eth.o
diff --git a/drivers/net/smc911x.c b/drivers/net/smc911x.c
new file mode 100644
index 0000000..d22c889
--- /dev/null
+++ b/drivers/net/smc911x.c
@@ -0,0 +1,686 @@
+/*
+ * SMSC LAN9[12]1[567] Network driver
+ *
+ * (c) 2007 Pengutronix, Sascha Hauer <s.hauer <at> pengutronix.de>
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * 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.
+ *
+ * This program is distributed in the hope that 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
+ */
+
+#include <common.h>
+
+#ifdef CONFIG_DRIVER_SMC911X
+
+#include <command.h>
+#include <net.h>
+#include <miiphy.h>
+
+#ifdef CONFIG_DRIVER_SMC911X_32_BIT
+static inline u32 reg_read(u32 addr)
+{
+ return *(volatile u32*)addr;
+}
+static inline void reg_write(u32 addr, u32 val)
+{
+ *(volatile u32*)addr = val;
+}
+#else
+#error "SMC911X: Only 32-bit bus is supported"
+#endif
+
+#define mdelay(n) udelay((n)*1000)
+
+/* Below are the register offsets and bit definitions
+ * of the Lan911x memory space
+ */
+#define RX_DATA_FIFO (CONFIG_DRIVER_SMC911X_BASE + 0x00)
+
+#define TX_DATA_FIFO (CONFIG_DRIVER_SMC911X_BASE + 0x20)
+#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 (CONFIG_DRIVER_SMC911X_BASE + 0x40)
+#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 (CONFIG_DRIVER_SMC911X_BASE + 0x44)
+#define TX_STATUS_FIFO (CONFIG_DRIVER_SMC911X_BASE + 0x48)
+#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 (CONFIG_DRIVER_SMC911X_BASE + 0x4C)
+#define ID_REV (CONFIG_DRIVER_SMC911X_BASE + 0x50)
+#define ID_REV_CHIP_ID 0xFFFF0000 /* RO */
+#define ID_REV_REV_ID 0x0000FFFF /* RO */
+
+#define INT_CFG (CONFIG_DRIVER_SMC911X_BASE + 0x54)
+#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 (CONFIG_DRIVER_SMC911X_BASE + 0x58)
+#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 (CONFIG_DRIVER_SMC911X_BASE + 0x5C)
+#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 (CONFIG_DRIVER_SMC911X_BASE + 0x64)
+#define FIFO_INT (CONFIG_DRIVER_SMC911X_BASE + 0x68)
+#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 (CONFIG_DRIVER_SMC911X_BASE + 0x6C)
+#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 (CONFIG_DRIVER_SMC911X_BASE + 0x70)
+/*#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 (CONFIG_DRIVER_SMC911X_BASE + 0x74)
+#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 (CONFIG_DRIVER_SMC911X_BASE + 0x78)
+#define RX_DP_CTRL_RX_FFWD 0x80000000 /* R/W */
+#define RX_DP_CTRL_FFWD_BUSY 0x80000000 /* RO */
+
+#define RX_FIFO_INF (CONFIG_DRIVER_SMC911X_BASE + 0x7C)
+#define RX_FIFO_INF_RXSUSED 0x00FF0000 /* RO */
+#define RX_FIFO_INF_RXDUSED 0x0000FFFF /* RO */
+
+#define TX_FIFO_INF (CONFIG_DRIVER_SMC911X_BASE + 0x80)
+#define TX_FIFO_INF_TSUSED 0x00FF0000 /* RO */
+#define TX_FIFO_INF_TDFREE 0x0000FFFF /* RO */
+
+#define PMT_CTRL (CONFIG_DRIVER_SMC911X_BASE + 0x84)
+#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 (CONFIG_DRIVER_SMC911X_BASE + 0x88)
+#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 (CONFIG_DRIVER_SMC911X_BASE + 0x8C)
+#define GPT_CFG_TIMER_EN 0x20000000 /* R/W */
+#define GPT_CFG_GPT_LOAD 0x0000FFFF /* R/W */
+
+#define GPT_CNT (CONFIG_DRIVER_SMC911X_BASE + 0x90)
+#define GPT_CNT_GPT_CNT 0x0000FFFF /* RO */
+
+#define ENDIAN (CONFIG_DRIVER_SMC911X_BASE + 0x98)
+#define FREE_RUN (CONFIG_DRIVER_SMC911X_BASE + 0x9C)
+#define RX_DROP (CONFIG_DRIVER_SMC911X_BASE + 0xA0)
+#define MAC_CSR_CMD (CONFIG_DRIVER_SMC911X_BASE + 0xA4)
+#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 (CONFIG_DRIVER_SMC911X_BASE + 0xA8)
+#define AFC_CFG (CONFIG_DRIVER_SMC911X_BASE + 0xAC)
+#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 (CONFIG_DRIVER_SMC911X_BASE + 0xB0)
+#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 (CONFIG_DRIVER_SMC911X_BASE + 0xB4)
+#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 */
+
+#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
+
+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" },
+ { 0, NULL },
+};
+
+#define DRIVERNAME "smc911x"
+
+u32 smc911x_get_mac_csr(u8 reg)
+{
+ while (reg_read(MAC_CSR_CMD) & MAC_CSR_CMD_CSR_BUSY)
+ ;
+ reg_write(MAC_CSR_CMD, MAC_CSR_CMD_CSR_BUSY | MAC_CSR_CMD_R_NOT_W | reg);
+ while (reg_read(MAC_CSR_CMD) & MAC_CSR_CMD_CSR_BUSY)
+ ;
+
+ return reg_read(MAC_CSR_DATA);
+}
+
+void smc911x_set_mac_csr(u8 reg, u32 data)
+{
+ while (reg_read(MAC_CSR_CMD) & MAC_CSR_CMD_CSR_BUSY)
+ ;
+ reg_write(MAC_CSR_DATA, data);
+ reg_write(MAC_CSR_CMD, MAC_CSR_CMD_CSR_BUSY | reg);
+ while (reg_read(MAC_CSR_CMD) & MAC_CSR_CMD_CSR_BUSY)
+ ;
+}
+
+static int smx911x_handle_mac_address(bd_t *bd)
+{
+ unsigned long addrh, addrl;
+ unsigned char *m = bd->bi_enetaddr;
+
+ /* if the environment has a valid mac address then use it */
+ if ((m[0] | m[1] | m[2] | m[3] | m[4] | m[5])) {
+ addrl = m[0] | m[1] << 8 | m[2] << 16 | m[3] << 24;
+ addrh = m[4] | m[5] << 8;
+ smc911x_set_mac_csr(ADDRH, addrh);
+ smc911x_set_mac_csr(ADDRL, addrl);
+ } else {
+ /* if not, try to get one from the eeprom */
+ addrh = smc911x_get_mac_csr(ADDRH);
+ addrl = smc911x_get_mac_csr(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) {
+ printf(DRIVERNAME ": no valid mac address in environment "
+ "and no eeprom found\n");
+ return -1;
+ }
+ }
+
+ printf(DRIVERNAME ": MAC %02x:%02x:%02x:%02x:%02x:%02x\n",
+ m[0], m[1], m[2], m[3], m[4], m[5]);
+
+ return 0;
+}
+
+static int smc911x_miiphy_read(u8 phy, u8 reg, u16 *val)
+{
+ while (smc911x_get_mac_csr(MII_ACC) & MII_ACC_MII_BUSY)
+ ;
+
+ smc911x_set_mac_csr(MII_ACC, phy << 11 | reg << 6 | MII_ACC_MII_BUSY);
+
+ while (smc911x_get_mac_csr(MII_ACC) & MII_ACC_MII_BUSY)
+ ;
+
+ *val = smc911x_get_mac_csr(MII_DATA);
+
+ return 0;
+}
+
+static int smc911x_miiphy_write(u8 phy, u8 reg, u16 val)
+{
+ while (smc911x_get_mac_csr(MII_ACC) & MII_ACC_MII_BUSY)
+ ;
+
+ smc911x_set_mac_csr(MII_DATA, val);
+ smc911x_set_mac_csr(MII_ACC,
+ phy << 11 | reg << 6 | MII_ACC_MII_BUSY | MII_ACC_MII_WRITE);
+
+ while (smc911x_get_mac_csr(MII_ACC) & MII_ACC_MII_BUSY)
+ ;
+ return 0;
+}
+
+static int smc911x_phy_reset(void)
+{
+ u32 reg;
+
+ reg = reg_read(PMT_CTRL);
+ reg &= ~0xfffff030;
+ reg |= PMT_CTRL_PHY_RST;
+ reg_write(PMT_CTRL, reg);
+
+ mdelay(100);
+
+ return 0;
+}
+
+static void smc911x_phy_configure(void)
+{
+ int timeout;
+ u16 status;
+
+ smc911x_phy_reset();
+
+ smc911x_miiphy_write(1, PHY_BMCR, PHY_BMCR_RESET);
+ mdelay(1);
+ smc911x_miiphy_write(1, PHY_ANAR, 0x01e1);
+ smc911x_miiphy_write(1, PHY_BMCR, PHY_BMCR_AUTON | PHY_BMCR_RST_NEG);
+
+ timeout = 5000;
+ do {
+ mdelay(1);
+ if ((timeout--) == 0)
+ goto err_out;
+
+ if (smc911x_miiphy_read(1, PHY_BMSR, &status) != 0)
+ goto err_out;
+ } while (!(status & PHY_BMSR_LS));
+
+ printf(DRIVERNAME ": phy initialized\n");
+
+ return;
+
+err_out:
+ printf(DRIVERNAME ": autonegotiation timed out\n");
+}
+
+static void smc911x_reset(void)
+{
+ int timeout;
+
+ /* Take out of PM setting first */
+ if (reg_read(PMT_CTRL) & PMT_CTRL_READY) {
+ /* Write to the bytetest will take out of powerdown */
+ reg_write(BYTE_TEST, 0x0);
+
+ timeout = 10;
+
+ while (timeout-- && !(reg_read(PMT_CTRL) & PMT_CTRL_READY))
+ udelay(10);
+ if (!timeout) {
+ printf(DRIVERNAME
+ ": timeout waiting for PM restore\n");
+ return;
+ }
+ }
+
+ /* Disable interrupts */
+ reg_write(INT_EN, 0);
+
+ reg_write(HW_CFG, HW_CFG_SRST);
+
+ timeout = 1000;
+ while (timeout-- && reg_read(E2P_CMD) & E2P_CMD_EPC_BUSY)
+ udelay(10);
+
+ if (!timeout) {
+ printf(DRIVERNAME ": reset timeout\n");
+ return;
+ }
+
+ /* Reset the FIFO level and flow control settings */
+ smc911x_set_mac_csr(FLOW, FLOW_FCPT | FLOW_FCEN);
+ reg_write(AFC_CFG, 0x0050287F);
+
+ /* Set to LED outputs */
+ reg_write(GPIO_CFG, 0x70070000);
+}
+
+static void smc911x_enable(void)
+{
+ /* Enable TX */
+ reg_write(HW_CFG, 8 << 16 | HW_CFG_SF);
+
+ reg_write(GPT_CFG, GPT_CFG_TIMER_EN | 10000);
+
+ reg_write(TX_CFG, TX_CFG_TX_ON);
+
+ /* no padding to start of packets */
+ reg_write(RX_CFG, 0);
+
+ smc911x_set_mac_csr(MAC_CR, MAC_CR_TXEN | MAC_CR_RXEN | MAC_CR_HBDIS);
+
+}
+
+int eth_init(bd_t *bd)
+{
+ unsigned long val, i;
+
+ printf(DRIVERNAME ": initializing\n");
+
+ val = reg_read(BYTE_TEST);
+ if (val != 0x87654321) {
+ printf(DRIVERNAME ": Invalid chip endian 0x08%x\n", val);
+ goto err_out;
+ }
+
+ val = reg_read(ID_REV) >> 16;
+ for (i = 0; chip_ids[i].id != 0; i++) {
+ if (chip_ids[i].id == val) break;
+ }
+ if (!chip_ids[i].id) {
+ printf(DRIVERNAME ": Unknown chip ID %04x\n", val);
+ goto err_out;
+ }
+
+ printf(DRIVERNAME ": detected %s controller\n", chip_ids[i].name);
+
+ smc911x_reset();
+
+ /* Configure the PHY, initialize the link state */
+ smc911x_phy_configure();
+
+ if (smx911x_handle_mac_address(bd))
+ goto err_out;
+
+ /* Turn on Tx + Rx */
+ smc911x_enable();
+
+ return 0;
+
+err_out:
+ return -1;
+}
+
+int eth_send(volatile void *packet, int length)
+{
+ u32 *data = (u32*)packet;
+ u32 tmplen;
+ u32 status;
+
+ reg_write(TX_DATA_FIFO, TX_CMD_A_INT_FIRST_SEG | TX_CMD_A_INT_LAST_SEG | length);
+ reg_write(TX_DATA_FIFO, length);
+
+ tmplen = (length + 3) / 4;
+
+ while (tmplen--)
+ reg_write(TX_DATA_FIFO, *data++);
+
+ /* wait for transmission */
+ while (!((reg_read(TX_FIFO_INF) & TX_FIFO_INF_TSUSED) >> 16));
+
+ /* get status. Ignore 'no carrier' error, it has no meaning for
+ * full duplex operation
+ */
+ status = reg_read(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;
+
+ printf(DRIVERNAME ": 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;
+}
+
+void eth_halt(void)
+{
+ smc911x_reset();
+}
+
+int eth_rx(void)
+{
+ u32 *data = (u32 *)NetRxPackets[0];
+ u32 pktlen, tmplen;
+ u32 status;
+
+ if ((reg_read(RX_FIFO_INF) & RX_FIFO_INF_RXSUSED) >> 16) {
+ status = reg_read(RX_STATUS_FIFO);
+ pktlen = (status & RX_STS_PKT_LEN) >> 16;
+
+ reg_write(RX_CFG, 0);
+
+ tmplen = (pktlen + 2+ 3) / 4;
+ while (tmplen--)
+ *data++ = reg_read(RX_DATA_FIFO);
+
+ if (status & RX_STS_ES)
+ printf(DRIVERNAME
+ ": dropped bad packet. Status: 0x%08x\n",
+ status);
+ else
+ NetReceive(NetRxPackets[0], pktlen);
+ }
+
+ return 0;
+}
+
+#endif /* CONFIG_DRIVER_SMC911X */