diff options
Diffstat (limited to 'drivers/net/stmmac/common.h')
| -rw-r--r-- | drivers/net/stmmac/common.h | 277 |
1 files changed, 90 insertions, 187 deletions
diff --git a/drivers/net/stmmac/common.h b/drivers/net/stmmac/common.h index e49e5188e887..7267bcd43d06 100644 --- a/drivers/net/stmmac/common.h +++ b/drivers/net/stmmac/common.h @@ -23,132 +23,7 @@ *******************************************************************************/ #include "descs.h" -#include <linux/io.h> - -/* ********************************************* - DMA CRS Control and Status Register Mapping - * *********************************************/ -#define DMA_BUS_MODE 0x00001000 /* Bus Mode */ -#define DMA_XMT_POLL_DEMAND 0x00001004 /* Transmit Poll Demand */ -#define DMA_RCV_POLL_DEMAND 0x00001008 /* Received Poll Demand */ -#define DMA_RCV_BASE_ADDR 0x0000100c /* Receive List Base */ -#define DMA_TX_BASE_ADDR 0x00001010 /* Transmit List Base */ -#define DMA_STATUS 0x00001014 /* Status Register */ -#define DMA_CONTROL 0x00001018 /* Ctrl (Operational Mode) */ -#define DMA_INTR_ENA 0x0000101c /* Interrupt Enable */ -#define DMA_MISSED_FRAME_CTR 0x00001020 /* Missed Frame Counter */ -#define DMA_CUR_TX_BUF_ADDR 0x00001050 /* Current Host Tx Buffer */ -#define DMA_CUR_RX_BUF_ADDR 0x00001054 /* Current Host Rx Buffer */ - -/* ******************************** - DMA Control register defines - * ********************************/ -#define DMA_CONTROL_ST 0x00002000 /* Start/Stop Transmission */ -#define DMA_CONTROL_SR 0x00000002 /* Start/Stop Receive */ - -/* ************************************** - DMA Interrupt Enable register defines - * **************************************/ -/**** NORMAL INTERRUPT ****/ -#define DMA_INTR_ENA_NIE 0x00010000 /* Normal Summary */ -#define DMA_INTR_ENA_TIE 0x00000001 /* Transmit Interrupt */ -#define DMA_INTR_ENA_TUE 0x00000004 /* Transmit Buffer Unavailable */ -#define DMA_INTR_ENA_RIE 0x00000040 /* Receive Interrupt */ -#define DMA_INTR_ENA_ERE 0x00004000 /* Early Receive */ - -#define DMA_INTR_NORMAL (DMA_INTR_ENA_NIE | DMA_INTR_ENA_RIE | \ - DMA_INTR_ENA_TIE) - -/**** ABNORMAL INTERRUPT ****/ -#define DMA_INTR_ENA_AIE 0x00008000 /* Abnormal Summary */ -#define DMA_INTR_ENA_FBE 0x00002000 /* Fatal Bus Error */ -#define DMA_INTR_ENA_ETE 0x00000400 /* Early Transmit */ -#define DMA_INTR_ENA_RWE 0x00000200 /* Receive Watchdog */ -#define DMA_INTR_ENA_RSE 0x00000100 /* Receive Stopped */ -#define DMA_INTR_ENA_RUE 0x00000080 /* Receive Buffer Unavailable */ -#define DMA_INTR_ENA_UNE 0x00000020 /* Tx Underflow */ -#define DMA_INTR_ENA_OVE 0x00000010 /* Receive Overflow */ -#define DMA_INTR_ENA_TJE 0x00000008 /* Transmit Jabber */ -#define DMA_INTR_ENA_TSE 0x00000002 /* Transmit Stopped */ - -#define DMA_INTR_ABNORMAL (DMA_INTR_ENA_AIE | DMA_INTR_ENA_FBE | \ - DMA_INTR_ENA_UNE) - -/* DMA default interrupt mask */ -#define DMA_INTR_DEFAULT_MASK (DMA_INTR_NORMAL | DMA_INTR_ABNORMAL) - -/* **************************** - * DMA Status register defines - * ****************************/ -#define DMA_STATUS_GPI 0x10000000 /* PMT interrupt */ -#define DMA_STATUS_GMI 0x08000000 /* MMC interrupt */ -#define DMA_STATUS_GLI 0x04000000 /* GMAC Line interface int. */ -#define DMA_STATUS_GMI 0x08000000 -#define DMA_STATUS_GLI 0x04000000 -#define DMA_STATUS_EB_MASK 0x00380000 /* Error Bits Mask */ -#define DMA_STATUS_EB_TX_ABORT 0x00080000 /* Error Bits - TX Abort */ -#define DMA_STATUS_EB_RX_ABORT 0x00100000 /* Error Bits - RX Abort */ -#define DMA_STATUS_TS_MASK 0x00700000 /* Transmit Process State */ -#define DMA_STATUS_TS_SHIFT 20 -#define DMA_STATUS_RS_MASK 0x000e0000 /* Receive Process State */ -#define DMA_STATUS_RS_SHIFT 17 -#define DMA_STATUS_NIS 0x00010000 /* Normal Interrupt Summary */ -#define DMA_STATUS_AIS 0x00008000 /* Abnormal Interrupt Summary */ -#define DMA_STATUS_ERI 0x00004000 /* Early Receive Interrupt */ -#define DMA_STATUS_FBI 0x00002000 /* Fatal Bus Error Interrupt */ -#define DMA_STATUS_ETI 0x00000400 /* Early Transmit Interrupt */ -#define DMA_STATUS_RWT 0x00000200 /* Receive Watchdog Timeout */ -#define DMA_STATUS_RPS 0x00000100 /* Receive Process Stopped */ -#define DMA_STATUS_RU 0x00000080 /* Receive Buffer Unavailable */ -#define DMA_STATUS_RI 0x00000040 /* Receive Interrupt */ -#define DMA_STATUS_UNF 0x00000020 /* Transmit Underflow */ -#define DMA_STATUS_OVF 0x00000010 /* Receive Overflow */ -#define DMA_STATUS_TJT 0x00000008 /* Transmit Jabber Timeout */ -#define DMA_STATUS_TU 0x00000004 /* Transmit Buffer Unavailable */ -#define DMA_STATUS_TPS 0x00000002 /* Transmit Process Stopped */ -#define DMA_STATUS_TI 0x00000001 /* Transmit Interrupt */ - -/* Other defines */ -#define HASH_TABLE_SIZE 64 -#define PAUSE_TIME 0x200 - -/* Flow Control defines */ -#define FLOW_OFF 0 -#define FLOW_RX 1 -#define FLOW_TX 2 -#define FLOW_AUTO (FLOW_TX | FLOW_RX) - -/* DMA STORE-AND-FORWARD Operation Mode */ -#define SF_DMA_MODE 1 - -#define HW_CSUM 1 -#define NO_HW_CSUM 0 - -/* GMAC TX FIFO is 8K, Rx FIFO is 16K */ -#define BUF_SIZE_16KiB 16384 -#define BUF_SIZE_8KiB 8192 -#define BUF_SIZE_4KiB 4096 -#define BUF_SIZE_2KiB 2048 - -/* Power Down and WOL */ -#define PMT_NOT_SUPPORTED 0 -#define PMT_SUPPORTED 1 - -/* Common MAC defines */ -#define MAC_CTRL_REG 0x00000000 /* MAC Control */ -#define MAC_ENABLE_TX 0x00000008 /* Transmitter Enable */ -#define MAC_RNABLE_RX 0x00000004 /* Receiver Enable */ - -/* MAC Management Counters register */ -#define MMC_CONTROL 0x00000100 /* MMC Control */ -#define MMC_HIGH_INTR 0x00000104 /* MMC High Interrupt */ -#define MMC_LOW_INTR 0x00000108 /* MMC Low Interrupt */ -#define MMC_HIGH_INTR_MASK 0x0000010c /* MMC High Interrupt Mask */ -#define MMC_LOW_INTR_MASK 0x00000110 /* MMC Low Interrupt Mask */ - -#define MMC_CONTROL_MAX_FRM_MASK 0x0003ff8 /* Maximum Frame Size */ -#define MMC_CONTROL_MAX_FRM_SHIFT 3 -#define MMC_CONTROL_MAX_FRAME 0x7FF +#include <linux/netdevice.h> struct stmmac_extra_stats { /* Transmit errors */ @@ -198,66 +73,62 @@ struct stmmac_extra_stats { unsigned long normal_irq_n; }; -/* GMAC core can compute the checksums in HW. */ -enum rx_frame_status { +#define HASH_TABLE_SIZE 64 +#define PAUSE_TIME 0x200 + +/* Flow Control defines */ +#define FLOW_OFF 0 +#define FLOW_RX 1 +#define FLOW_TX 2 +#define FLOW_AUTO (FLOW_TX | FLOW_RX) + +#define SF_DMA_MODE 1 /* DMA STORE-AND-FORWARD Operation Mode */ + +#define HW_CSUM 1 +#define NO_HW_CSUM 0 +enum rx_frame_status { /* IPC status */ good_frame = 0, discard_frame = 1, csum_none = 2, }; -static inline void stmmac_set_mac_addr(unsigned long ioaddr, u8 addr[6], - unsigned int high, unsigned int low) -{ - unsigned long data; - - data = (addr[5] << 8) | addr[4]; - writel(data, ioaddr + high); - data = (addr[3] << 24) | (addr[2] << 16) | (addr[1] << 8) | addr[0]; - writel(data, ioaddr + low); +enum tx_dma_irq_status { + tx_hard_error = 1, + tx_hard_error_bump_tc = 2, + handle_tx_rx = 3, +}; - return; -} +/* GMAC TX FIFO is 8K, Rx FIFO is 16K */ +#define BUF_SIZE_16KiB 16384 +#define BUF_SIZE_8KiB 8192 +#define BUF_SIZE_4KiB 4096 +#define BUF_SIZE_2KiB 2048 -static inline void stmmac_get_mac_addr(unsigned long ioaddr, - unsigned char *addr, unsigned int high, - unsigned int low) -{ - unsigned int hi_addr, lo_addr; +/* Power Down and WOL */ +#define PMT_NOT_SUPPORTED 0 +#define PMT_SUPPORTED 1 - /* Read the MAC address from the hardware */ - hi_addr = readl(ioaddr + high); - lo_addr = readl(ioaddr + low); +/* Common MAC defines */ +#define MAC_CTRL_REG 0x00000000 /* MAC Control */ +#define MAC_ENABLE_TX 0x00000008 /* Transmitter Enable */ +#define MAC_RNABLE_RX 0x00000004 /* Receiver Enable */ - /* Extract the MAC address from the high and low words */ - addr[0] = lo_addr & 0xff; - addr[1] = (lo_addr >> 8) & 0xff; - addr[2] = (lo_addr >> 16) & 0xff; - addr[3] = (lo_addr >> 24) & 0xff; - addr[4] = hi_addr & 0xff; - addr[5] = (hi_addr >> 8) & 0xff; +/* MAC Management Counters register */ +#define MMC_CONTROL 0x00000100 /* MMC Control */ +#define MMC_HIGH_INTR 0x00000104 /* MMC High Interrupt */ +#define MMC_LOW_INTR 0x00000108 /* MMC Low Interrupt */ +#define MMC_HIGH_INTR_MASK 0x0000010c /* MMC High Interrupt Mask */ +#define MMC_LOW_INTR_MASK 0x00000110 /* MMC Low Interrupt Mask */ - return; -} +#define MMC_CONTROL_MAX_FRM_MASK 0x0003ff8 /* Maximum Frame Size */ +#define MMC_CONTROL_MAX_FRM_SHIFT 3 +#define MMC_CONTROL_MAX_FRAME 0x7FF -struct stmmac_ops { - /* MAC core initialization */ - void (*core_init) (unsigned long ioaddr) ____cacheline_aligned; - /* DMA core initialization */ - int (*dma_init) (unsigned long ioaddr, int pbl, u32 dma_tx, u32 dma_rx); - /* Dump MAC registers */ - void (*dump_mac_regs) (unsigned long ioaddr); - /* Dump DMA registers */ - void (*dump_dma_regs) (unsigned long ioaddr); - /* Set tx/rx threshold in the csr6 register - * An invalid value enables the store-and-forward mode */ - void (*dma_mode) (unsigned long ioaddr, int txmode, int rxmode); - /* To track extra statistic (if supported) */ - void (*dma_diagnostic_fr) (void *data, struct stmmac_extra_stats *x, - unsigned long ioaddr); - /* RX descriptor ring initialization */ +struct stmmac_desc_ops { + /* DMA RX descriptor ring initialization */ void (*init_rx_desc) (struct dma_desc *p, unsigned int ring_size, - int disable_rx_ic); - /* TX descriptor ring initialization */ + int disable_rx_ic); + /* DMA TX descriptor ring initialization */ void (*init_tx_desc) (struct dma_desc *p, unsigned int ring_size); /* Invoked by the xmit function to prepare the tx descriptor */ @@ -281,7 +152,6 @@ struct stmmac_ops { /* Get the buffer size from the descriptor */ int (*get_tx_len) (struct dma_desc *p); /* Handle extra events on specific interrupts hw dependent */ - void (*host_irq_status) (unsigned long ioaddr); int (*get_rx_owner) (struct dma_desc *p); void (*set_rx_owner) (struct dma_desc *p); /* Get the receive frame size */ @@ -289,6 +159,37 @@ struct stmmac_ops { /* Return the reception status looking at the RDES1 */ int (*rx_status) (void *data, struct stmmac_extra_stats *x, struct dma_desc *p); +}; + +struct stmmac_dma_ops { + /* DMA core initialization */ + int (*init) (unsigned long ioaddr, int pbl, u32 dma_tx, u32 dma_rx); + /* Dump DMA registers */ + void (*dump_regs) (unsigned long ioaddr); + /* Set tx/rx threshold in the csr6 register + * An invalid value enables the store-and-forward mode */ + void (*dma_mode) (unsigned long ioaddr, int txmode, int rxmode); + /* To track extra statistic (if supported) */ + void (*dma_diagnostic_fr) (void *data, struct stmmac_extra_stats *x, + unsigned long ioaddr); + void (*enable_dma_transmission) (unsigned long ioaddr); + void (*enable_dma_irq) (unsigned long ioaddr); + void (*disable_dma_irq) (unsigned long ioaddr); + void (*start_tx) (unsigned long ioaddr); + void (*stop_tx) (unsigned long ioaddr); + void (*start_rx) (unsigned long ioaddr); + void (*stop_rx) (unsigned long ioaddr); + int (*dma_interrupt) (unsigned long ioaddr, + struct stmmac_extra_stats *x); +}; + +struct stmmac_ops { + /* MAC core initialization */ + void (*core_init) (unsigned long ioaddr) ____cacheline_aligned; + /* Dump MAC registers */ + void (*dump_regs) (unsigned long ioaddr); + /* Handle extra events on specific interrupts hw dependent */ + void (*host_irq_status) (unsigned long ioaddr); /* Multicast filter setting */ void (*set_filter) (struct net_device *dev); /* Flow control setting */ @@ -298,9 +199,9 @@ struct stmmac_ops { void (*pmt) (unsigned long ioaddr, unsigned long mode); /* Set/Get Unicast MAC addresses */ void (*set_umac_addr) (unsigned long ioaddr, unsigned char *addr, - unsigned int reg_n); + unsigned int reg_n); void (*get_umac_addr) (unsigned long ioaddr, unsigned char *addr, - unsigned int reg_n); + unsigned int reg_n); }; struct mac_link { @@ -314,17 +215,19 @@ struct mii_regs { unsigned int data; /* MII Data */ }; -struct hw_cap { - unsigned int version; /* Core Version register (GMAC) */ - unsigned int pmt; /* Power-Down mode (GMAC) */ +struct mac_device_info { + struct stmmac_ops *mac; + struct stmmac_desc_ops *desc; + struct stmmac_dma_ops *dma; + unsigned int pmt; /* support Power-Down */ + struct mii_regs mii; /* MII register Addresses */ struct mac_link link; - struct mii_regs mii; }; -struct mac_device_info { - struct hw_cap hw; - struct stmmac_ops *ops; -}; +struct mac_device_info *dwmac1000_setup(unsigned long addr); +struct mac_device_info *dwmac100_setup(unsigned long addr); -struct mac_device_info *gmac_setup(unsigned long addr); -struct mac_device_info *mac100_setup(unsigned long addr); +extern void stmmac_set_mac_addr(unsigned long ioaddr, u8 addr[6], + unsigned int high, unsigned int low); +extern void stmmac_get_mac_addr(unsigned long ioaddr, unsigned char *addr, + unsigned int high, unsigned int low); |
