diff options
Diffstat (limited to 'drivers/net/ethernet/broadcom/bcmsysport.h')
| -rw-r--r-- | drivers/net/ethernet/broadcom/bcmsysport.h | 80 |
1 files changed, 65 insertions, 15 deletions
diff --git a/drivers/net/ethernet/broadcom/bcmsysport.h b/drivers/net/ethernet/broadcom/bcmsysport.h index 1c82e3da69a7..863ddd7870b7 100644 --- a/drivers/net/ethernet/broadcom/bcmsysport.h +++ b/drivers/net/ethernet/broadcom/bcmsysport.h @@ -127,6 +127,10 @@ struct bcm_rsb { #define INTRL2_0_DESC_ALLOC_ERR (1 << 10) #define INTRL2_0_UNEXP_PKTSIZE_ACK (1 << 11) +/* SYSTEMPORT Lite groups the TX queues interrupts on instance 0 */ +#define INTRL2_0_TDMA_MBDONE_SHIFT 12 +#define INTRL2_0_TDMA_MBDONE_MASK (0xffff << INTRL2_0_TDMA_MBDONE_SHIFT) + /* RXCHK offset and defines */ #define SYS_PORT_RXCHK_OFFSET 0x300 @@ -176,7 +180,9 @@ struct bcm_rsb { #define RBUF_OK_TO_SEND_MASK 0xff #define RBUF_CRC_REPLACE (1 << 20) #define RBUF_OK_TO_SEND_MODE (1 << 21) -#define RBUF_RSB_SWAP (1 << 22) +/* SYSTEMPORT Lite uses two bits here */ +#define RBUF_RSB_SWAP0 (1 << 22) +#define RBUF_RSB_SWAP1 (1 << 23) #define RBUF_ACPI_EN (1 << 23) #define RBUF_PKT_RDY_THRESH 0x04 @@ -247,6 +253,7 @@ struct bcm_rsb { #define MIB_RUNT_CNT_RST (1 << 1) #define MIB_TX_CNT_RST (1 << 2) +/* These offsets are valid for SYSTEMPORT and SYSTEMPORT Lite */ #define UMAC_MPD_CTRL 0x620 #define MPD_EN (1 << 0) #define MSEQ_LEN_SHIFT 16 @@ -258,6 +265,34 @@ struct bcm_rsb { #define UMAC_MDF_CTRL 0x650 #define UMAC_MDF_ADDR 0x654 +/* Only valid on SYSTEMPORT Lite */ +#define SYS_PORT_GIB_OFFSET 0x1000 + +#define GIB_CONTROL 0x00 +#define GIB_TX_EN (1 << 0) +#define GIB_RX_EN (1 << 1) +#define GIB_TX_FLUSH (1 << 2) +#define GIB_RX_FLUSH (1 << 3) +#define GIB_GTX_CLK_SEL_SHIFT 4 +#define GIB_GTX_CLK_EXT_CLK (0 << GIB_GTX_CLK_SEL_SHIFT) +#define GIB_GTX_CLK_125MHZ (1 << GIB_GTX_CLK_SEL_SHIFT) +#define GIB_GTX_CLK_250MHZ (2 << GIB_GTX_CLK_SEL_SHIFT) +#define GIB_FCS_STRIP (1 << 6) +#define GIB_LCL_LOOP_EN (1 << 7) +#define GIB_LCL_LOOP_TXEN (1 << 8) +#define GIB_RMT_LOOP_EN (1 << 9) +#define GIB_RMT_LOOP_RXEN (1 << 10) +#define GIB_RX_PAUSE_EN (1 << 11) +#define GIB_PREAMBLE_LEN_SHIFT 12 +#define GIB_PREAMBLE_LEN_MASK 0xf +#define GIB_IPG_LEN_SHIFT 16 +#define GIB_IPG_LEN_MASK 0x3f +#define GIB_PAD_EXTENSION_SHIFT 22 +#define GIB_PAD_EXTENSION_MASK 0x3f + +#define GIB_MAC1 0x08 +#define GIB_MAC0 0x0c + /* Receive DMA offset and defines */ #define SYS_PORT_RDMA_OFFSET 0x2000 @@ -409,16 +444,19 @@ struct bcm_rsb { RING_PCP_DEI_VID) #define TDMA_CONTROL 0x600 -#define TDMA_EN (1 << 0) -#define TSB_EN (1 << 1) -#define TSB_SWAP (1 << 2) -#define ACB_ALGO (1 << 3) +#define TDMA_EN 0 +#define TSB_EN 1 +/* Uses 2 bits on SYSTEMPORT Lite and shifts everything by 1 bit, we + * keep the SYSTEMPORT layout here and adjust with tdma_control_bit() + */ +#define TSB_SWAP 2 +#define ACB_ALGO 3 #define BUF_DATA_OFFSET_SHIFT 4 #define BUF_DATA_OFFSET_MASK 0x3ff -#define VLAN_EN (1 << 14) -#define SW_BRCM_TAG (1 << 15) -#define WNC_KPT_SIZE_UPDATE (1 << 16) -#define SYNC_PKT_SIZE (1 << 17) +#define VLAN_EN 14 +#define SW_BRCM_TAG 15 +#define WNC_KPT_SIZE_UPDATE 16 +#define SYNC_PKT_SIZE 17 #define ACH_TXDONE_DELAY_SHIFT 18 #define ACH_TXDONE_DELAY_MASK 0xff @@ -475,12 +513,12 @@ struct dma_desc { }; /* Number of Receive hardware descriptor words */ -#define NUM_HW_RX_DESC_WORDS 1024 -/* Real number of usable descriptors */ -#define NUM_RX_DESC (NUM_HW_RX_DESC_WORDS / WORDS_PER_DESC) +#define SP_NUM_HW_RX_DESC_WORDS 1024 +#define SP_LT_NUM_HW_RX_DESC_WORDS 256 -/* Internal linked-list RAM has up to 1536 entries */ -#define NUM_TX_DESC 1536 +/* Internal linked-list RAM size */ +#define SP_NUM_TX_DESC 1536 +#define SP_LT_NUM_TX_DESC 256 #define WORDS_PER_DESC (sizeof(struct dma_desc) / sizeof(u32)) @@ -627,6 +665,16 @@ struct bcm_sysport_cb { DEFINE_DMA_UNMAP_LEN(dma_len); }; +enum bcm_sysport_type { + SYSTEMPORT = 0, + SYSTEMPORT_LITE, +}; + +struct bcm_sysport_hw_params { + bool is_lite; + unsigned int num_rx_desc_words; +}; + /* Software view of the TX ring */ struct bcm_sysport_tx_ring { spinlock_t lock; /* Ring lock for tx reclaim/xmit */ @@ -651,6 +699,8 @@ struct bcm_sysport_priv { u32 irq0_mask; u32 irq1_stat; u32 irq1_mask; + bool is_lite; + unsigned int num_rx_desc_words; struct napi_struct napi ____cacheline_aligned; struct net_device *netdev; struct platform_device *pdev; @@ -659,7 +709,7 @@ struct bcm_sysport_priv { int wol_irq; /* Transmit rings */ - struct bcm_sysport_tx_ring tx_rings[TDMA_NUM_RINGS]; + struct bcm_sysport_tx_ring *tx_rings; /* Receive queue */ void __iomem *rx_bds; |