diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/net/smc911x.c | 457 | ||||
| -rw-r--r-- | drivers/net/smc911x.h | 494 |
2 files changed, 496 insertions, 455 deletions
diff --git a/drivers/net/smc911x.c b/drivers/net/smc911x.c index 9cc4fce..1ded8f0 100644 --- a/drivers/net/smc911x.c +++ b/drivers/net/smc911x.c @@ -27,38 +27,7 @@ #include <net.h> #include <miiphy.h> -#if defined (CONFIG_DRIVER_SMC911X_32_BIT) && \ - defined (CONFIG_DRIVER_SMC911X_16_BIT) -#error "SMC911X: Only one of CONFIG_DRIVER_SMC911X_32_BIT and \ - CONFIG_DRIVER_SMC911X_16_BIT shall be set" -#endif - -#if defined (CONFIG_DRIVER_SMC911X_32_BIT) -static inline u32 __smc911x_reg_read(u32 addr) -{ - return *(volatile u32*)addr; -} -u32 smc911x_reg_read(u32 addr) __attribute__((weak, alias("__smc911x_reg_read"))); - -static inline void __smc911x_reg_write(u32 addr, u32 val) -{ - *(volatile u32*)addr = val; -} -void smc911x_reg_write(u32 addr, u32 val) __attribute__((weak, alias("__smc911x_reg_write"))); -#elif defined (CONFIG_DRIVER_SMC911X_16_BIT) -static inline u32 smc911x_reg_read(u32 addr) -{ - volatile u16 *addr_16 = (u16 *)addr; - return ((*addr_16 & 0x0000ffff) | (*(addr_16 + 1) << 16)); -} -static inline void smc911x_reg_write(u32 addr, u32 val) -{ - *(volatile u16*)addr = (u16)val; - *(volatile u16*)(addr + 2) = (u16)(val >> 16); -} -#else -#error "SMC911X: undefined bus width" -#endif /* CONFIG_DRIVER_SMC911X_16_BIT */ +#include "smc911x.h" u32 pkt_data_pull(u32 addr) \ __attribute__ ((weak, alias ("smc911x_reg_read"))); @@ -67,370 +36,6 @@ void pkt_data_push(u32 addr, u32 val) \ #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_9211 0x9211 -#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_9211, "LAN9211" }, - { 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 (smc911x_reg_read(MAC_CSR_CMD) & MAC_CSR_CMD_CSR_BUSY) - ; - smc911x_reg_write(MAC_CSR_CMD, MAC_CSR_CMD_CSR_BUSY | MAC_CSR_CMD_R_NOT_W | reg); - while (smc911x_reg_read(MAC_CSR_CMD) & MAC_CSR_CMD_CSR_BUSY) - ; - - return smc911x_reg_read(MAC_CSR_DATA); -} - -void smc911x_set_mac_csr(u8 reg, u32 data) -{ - while (smc911x_reg_read(MAC_CSR_CMD) & MAC_CSR_CMD_CSR_BUSY) - ; - smc911x_reg_write(MAC_CSR_DATA, data); - smc911x_reg_write(MAC_CSR_CMD, MAC_CSR_CMD_CSR_BUSY | reg); - while (smc911x_reg_read(MAC_CSR_CMD) & MAC_CSR_CMD_CSR_BUSY) - ; -} - static int smx911x_handle_mac_address(bd_t *bd) { unsigned long addrh, addrl; @@ -541,48 +146,6 @@ err_out: printf(DRIVERNAME ": autonegotiation timed out\n"); } -static void smc911x_reset(void) -{ - int timeout; - - /* Take out of PM setting first */ - if (smc911x_reg_read(PMT_CTRL) & PMT_CTRL_READY) { - /* Write to the bytetest will take out of powerdown */ - smc911x_reg_write(BYTE_TEST, 0x0); - - timeout = 10; - - while (timeout-- && !(smc911x_reg_read(PMT_CTRL) & PMT_CTRL_READY)) - udelay(10); - if (!timeout) { - printf(DRIVERNAME - ": timeout waiting for PM restore\n"); - return; - } - } - - /* Disable interrupts */ - smc911x_reg_write(INT_EN, 0); - - smc911x_reg_write(HW_CFG, HW_CFG_SRST); - - timeout = 1000; - while (timeout-- && smc911x_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); - smc911x_reg_write(AFC_CFG, 0x0050287F); - - /* Set to LED outputs */ - smc911x_reg_write(GPIO_CFG, 0x70070000); -} - static void smc911x_enable(void) { /* Enable TX */ @@ -601,26 +164,10 @@ static void smc911x_enable(void) int eth_init(bd_t *bd) { - unsigned long val, i; - printf(DRIVERNAME ": initializing\n"); - val = smc911x_reg_read(BYTE_TEST); - if (val != 0x87654321) { - printf(DRIVERNAME ": Invalid chip endian 0x%08lx\n", val); + if (smc911x_detect_chip()) goto err_out; - } - - val = smc911x_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 %04lx\n", val); - goto err_out; - } - - printf(DRIVERNAME ": detected %s controller\n", chip_ids[i].name); smc911x_reset(); diff --git a/drivers/net/smc911x.h b/drivers/net/smc911x.h new file mode 100644 index 0000000..80d2ce0 --- /dev/null +++ b/drivers/net/smc911x.h @@ -0,0 +1,494 @@ +/* + * 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 + */ + +#ifndef _SMC911X_H_ +#define _SMC911X_H_ + +#include <linux/types.h> + +#if defined (CONFIG_DRIVER_SMC911X_32_BIT) && \ + defined (CONFIG_DRIVER_SMC911X_16_BIT) +#error "SMC911X: Only one of CONFIG_DRIVER_SMC911X_32_BIT and \ + CONFIG_DRIVER_SMC911X_16_BIT shall be set" +#endif + +#if defined (CONFIG_DRIVER_SMC911X_32_BIT) +static inline u32 __smc911x_reg_read(u32 addr) +{ + return *(volatile u32*)addr; +} +u32 smc911x_reg_read(u32 addr) __attribute__((weak, alias("__smc911x_reg_read"))); + +static inline void __smc911x_reg_write(u32 addr, u32 val) +{ + *(volatile u32*)addr = val; +} +void smc911x_reg_write(u32 addr, u32 val) __attribute__((weak, alias("__smc911x_reg_write"))); +#elif defined (CONFIG_DRIVER_SMC911X_16_BIT) +static inline u32 smc911x_reg_read(u32 addr) +{ + volatile u16 *addr_16 = (u16 *)addr; + return ((*addr_16 & 0x0000ffff) | (*(addr_16 + 1) << 16)); +} +static inline void smc911x_reg_write(u32 addr, u32 val) +{ + *(volatile u16*)addr = (u16)val; + *(volatile u16*)(addr + 2) = (u16)(val >> 16); +} +#else +#error "SMC911X: undefined bus width" +#endif /* CONFIG_DRIVER_SMC911X_16_BIT */ + +/* 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_9211 0x9211 +#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_9211, "LAN9211" }, + { CHIP_9215, "LAN9215" }, + { CHIP_9216, "LAN9216" }, + { CHIP_9217, "LAN9217" }, + { CHIP_9218, "LAN9218" }, + { 0, NULL }, +}; + + +#define DRIVERNAME "smc911x" + +static u32 smc911x_get_mac_csr(u8 reg) +{ + while (smc911x_reg_read(MAC_CSR_CMD) & MAC_CSR_CMD_CSR_BUSY) + ; + smc911x_reg_write(MAC_CSR_CMD, MAC_CSR_CMD_CSR_BUSY | MAC_CSR_CMD_R_NOT_W | reg); + while (smc911x_reg_read(MAC_CSR_CMD) & MAC_CSR_CMD_CSR_BUSY) + ; + + return smc911x_reg_read(MAC_CSR_DATA); +} + +static void smc911x_set_mac_csr(u8 reg, u32 data) +{ + while (smc911x_reg_read(MAC_CSR_CMD) & MAC_CSR_CMD_CSR_BUSY) + ; + smc911x_reg_write(MAC_CSR_DATA, data); + smc911x_reg_write(MAC_CSR_CMD, MAC_CSR_CMD_CSR_BUSY | reg); + while (smc911x_reg_read(MAC_CSR_CMD) & MAC_CSR_CMD_CSR_BUSY) + ; +} + +static int smc911x_detect_chip(void) +{ + unsigned long val, i; + + val = smc911x_reg_read(BYTE_TEST); + if (val != 0x87654321) { + printf(DRIVERNAME ": Invalid chip endian 0x%08lx\n", val); + return -1; + } + + val = smc911x_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 %04lx\n", val); + return -1; + } + + printf(DRIVERNAME ": detected %s controller\n", chip_ids[i].name); + + return 0; +} + +static void smc911x_reset(void) +{ + int timeout; + + /* Take out of PM setting first */ + if (smc911x_reg_read(PMT_CTRL) & PMT_CTRL_READY) { + /* Write to the bytetest will take out of powerdown */ + smc911x_reg_write(BYTE_TEST, 0x0); + + timeout = 10; + + while (timeout-- && !(smc911x_reg_read(PMT_CTRL) & PMT_CTRL_READY)) + udelay(10); + if (!timeout) { + printf(DRIVERNAME + ": timeout waiting for PM restore\n"); + return; + } + } + + /* Disable interrupts */ + smc911x_reg_write(INT_EN, 0); + + smc911x_reg_write(HW_CFG, HW_CFG_SRST); + + timeout = 1000; + while (timeout-- && smc911x_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); + smc911x_reg_write(AFC_CFG, 0x0050287F); + + /* Set to LED outputs */ + smc911x_reg_write(GPIO_CFG, 0x70070000); +} + +#endif |