diff options
Diffstat (limited to 'drivers/net/smc911x.c')
| -rw-r--r-- | drivers/net/smc911x.c | 680 |
1 files changed, 0 insertions, 680 deletions
diff --git a/drivers/net/smc911x.c b/drivers/net/smc911x.c deleted file mode 100644 index 2fd5777..0000000 --- a/drivers/net/smc911x.c +++ /dev/null @@ -1,680 +0,0 @@ -/* - * SMSC LAN9[12]1[567] Network driver - * - * (c) 2007 Pengutronix, Sascha Hauer <s.hauer@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> - -#define mdelay(n) udelay((n)*1000) - -#define __REG(x) (*((volatile u32 *)(x))) - -/* Below are the register offsets and bit definitions - * of the Lan911x memory space - */ -#define RX_DATA_FIFO __REG(CONFIG_DRIVER_SMC911X_BASE + 0x00) - -#define TX_DATA_FIFO __REG(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 __REG(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 __REG(CONFIG_DRIVER_SMC911X_BASE + 0x44) -#define TX_STATUS_FIFO __REG(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 __REG(CONFIG_DRIVER_SMC911X_BASE + 0x4C) -#define ID_REV __REG(CONFIG_DRIVER_SMC911X_BASE + 0x50) -#define ID_REV_CHIP_ID (0xFFFF0000) /* RO */ -#define ID_REV_REV_ID (0x0000FFFF) /* RO */ - -#define INT_CFG __REG(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 __REG(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 __REG(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 __REG(CONFIG_DRIVER_SMC911X_BASE + 0x64) -#define FIFO_INT __REG(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 __REG(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 __REG(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 __REG(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 __REG(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 __REG(CONFIG_DRIVER_SMC911X_BASE + 0x7C) -#define RX_FIFO_INF_RXSUSED (0x00FF0000) /* RO */ -#define RX_FIFO_INF_RXDUSED (0x0000FFFF) /* RO */ - -#define TX_FIFO_INF __REG(CONFIG_DRIVER_SMC911X_BASE + 0x80) -#define TX_FIFO_INF_TSUSED (0x00FF0000) /* RO */ -#define TX_FIFO_INF_TDFREE (0x0000FFFF) /* RO */ - -#define PMT_CTRL __REG(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 __REG(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 __REG(CONFIG_DRIVER_SMC911X_BASE + 0x8C) -#define GPT_CFG_TIMER_EN (0x20000000) /* R/W */ -#define GPT_CFG_GPT_LOAD (0x0000FFFF) /* R/W */ - -#define GPT_CNT __REG(CONFIG_DRIVER_SMC911X_BASE + 0x90) -#define GPT_CNT_GPT_CNT (0x0000FFFF) /* RO */ - -#define ENDIAN __REG(CONFIG_DRIVER_SMC911X_BASE + 0x98) -#define FREE_RUN __REG(CONFIG_DRIVER_SMC911X_BASE + 0x9C) -#define RX_DROP __REG(CONFIG_DRIVER_SMC911X_BASE + 0xA0) -#define MAC_CSR_CMD __REG(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 __REG(CONFIG_DRIVER_SMC911X_BASE + 0xA8) -#define AFC_CFG __REG(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 __REG(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 __REG(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 (MAC_CSR_CMD & MAC_CSR_CMD_CSR_BUSY); - MAC_CSR_CMD = MAC_CSR_CMD_CSR_BUSY | MAC_CSR_CMD_R_NOT_W | reg; - while (MAC_CSR_CMD & MAC_CSR_CMD_CSR_BUSY); - - return MAC_CSR_DATA; -} - -void smc911x_set_mac_csr(u8 reg, u32 data) -{ - while (MAC_CSR_CMD & MAC_CSR_CMD_CSR_BUSY); - MAC_CSR_DATA = data; - MAC_CSR_CMD = MAC_CSR_CMD_CSR_BUSY | reg; - while (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 = PMT_CTRL; - reg &= ~0xfffff030; - reg |= PMT_CTRL_PHY_RST; - 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 (PMT_CTRL & PMT_CTRL_READY) { - /* Write to the bytetest will take out of powerdown */ - BYTE_TEST = 0x0; - - timeout = 10; - - while (timeout-- && !(PMT_CTRL & PMT_CTRL_READY)) - udelay(10); - if (!timeout) { - printf(DRIVERNAME - ": timeout waiting for PM restore\n"); - return; - } - } - - /* Disable interrupts */ - INT_EN = 0; - - HW_CFG = HW_CFG_SRST; - - timeout = 1000; - while (timeout-- && 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); - AFC_CFG = 0x0050287F; - - /* Set to LED outputs */ - GPIO_CFG = 0x70070000; -} - -static void smc911x_enable(void) -{ - /* Enable TX */ - HW_CFG = 8 << 16 | HW_CFG_SF; - - GPT_CFG = GPT_CFG_TIMER_EN | 10000; - - TX_CFG = TX_CFG_TX_ON; - - /* no padding to start of packets */ - 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 = BYTE_TEST; - if (val != 0x87654321) { - printf(DRIVERNAME ": Invalid chip endian 0x08%x\n", val); - goto err_out; - } - - val = 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; - - TX_DATA_FIFO = TX_CMD_A_INT_FIRST_SEG | TX_CMD_A_INT_LAST_SEG | length; - TX_DATA_FIFO = length; - - tmplen = (length + 3) / 4; - - while (tmplen--) - TX_DATA_FIFO = *data++; - - /* wait for transmission */ - while (!((TX_FIFO_INF & TX_FIFO_INF_TSUSED) >> 16)); - - /* get status. Ignore 'no carrier' error, it has no meaning for - * full duplex operation - */ - status = 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 ((RX_FIFO_INF & RX_FIFO_INF_RXSUSED) >> 16) { - status = RX_STATUS_FIFO; - pktlen = (status & RX_STS_PKT_LEN) >> 16; - - RX_CFG = 0; - - tmplen = (pktlen + 2 + 3) / 4; - while (tmplen--) - *data++ = 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 */ |