diff options
Diffstat (limited to 'sys/mips/mips32/idt/if_krreg.h')
| -rw-r--r-- | sys/mips/mips32/idt/if_krreg.h | 284 |
1 files changed, 284 insertions, 0 deletions
diff --git a/sys/mips/mips32/idt/if_krreg.h b/sys/mips/mips32/idt/if_krreg.h new file mode 100644 index 0000000..b20900a --- /dev/null +++ b/sys/mips/mips32/idt/if_krreg.h @@ -0,0 +1,284 @@ +/*- + * Copyright (C) 2007 + * Oleksandr Tymoshenko <gonzo@freebsd.org>. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES + * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. + * IN NO EVENT SHALL THE AUTHOR OR HIS RELATIVES BE LIABLE FOR ANY DIRECT, + * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES + * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR + * SERVICES; LOSS OF MIND, USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, + * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING + * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF + * THE POSSIBILITY OF SUCH DAMAGE. + * + * $FreeBSD$ + * + */ + +#ifndef __IF_KRREG_H__ +#define __IF_KRREG_H__ + +#define KR_ETHINTFC 0x0000 /* Ethernet interface control */ +#define ETH_INTFC_EN 0x0001 +#define ETH_INTFC_RIP 0x0004 +#define ETH_INTFC_EN 0x0001 +#define KR_ETHFIFOTT 0x0004 /* Ethernet FIFO transmit threshold */ +#define KR_ETHARC 0x0008 /* Ethernet address recognition control */ +#define KR_ETHHASH0 0x000C /* Ethernet hash table 0 */ +#define KR_ETHHASH1 0x0010 /* Ethernet hash table 1 */ +#define KR_ETHPFS 0x0024 /* Ethernet pause frame status */ +#define KR_ETHMCP 0x0028 /* Ethernet management clock prescalar */ +#define KR_ETHSAL0 0x0100 /* Ethernet station address 0 low */ +#define KR_ETHSAH0 0x0104 /* Ethernet station address 0 high */ +#define KR_ETHSAL1 0x0108 /* Ethernet station address 1 low */ +#define KR_ETHSAH1 0x010C /* Ethernet station address 1 high */ +#define KR_ETHSAL2 0x0110 /* Ethernet station address 2 low */ +#define KR_ETHSAH2 0x0114 /* Ethernet station address 2 high */ +#define KR_ETHSAL3 0x0118 /* Ethernet station address 3 low */ +#define KR_ETHSAH3 0x011C /* Ethernet station address 3 high */ +#define KR_ETHRBC 0x0120 /* Ethernet receive byte count */ +#define KR_ETHRPC 0x0124 /* Ethernet receive packet count */ +#define KR_ETHRUPC 0x0128 /* Ethernet receive undersized packet cnt */ +#define KR_ETHRFC 0x012C /* Ethernet receive fragment count */ +#define KR_ETHTBC 0x0130 /* Ethernet transmit byte count */ +#define KR_ETHGPF 0x0134 /* Ethernet generate pause frame */ +#define KR_ETHMAC1 0x0200 /* Ethernet MAC configuration 1 */ +#define KR_ETH_MAC1_RE 0x01 +#define KR_ETH_MAC1_PAF 0x02 +#define KR_ETH_MAC1_MR 0x80 +#define KR_ETHMAC2 0x0204 /* Ethernet MAC configuration 2 */ +#define KR_ETH_MAC2_FD 0x01 +#define KR_ETH_MAC2_FLC 0x02 +#define KR_ETH_MAC2_HFE 0x04 +#define KR_ETH_MAC2_DC 0x08 +#define KR_ETH_MAC2_CEN 0x10 +#define KR_ETH_MAC2_PEN 0x20 +#define KR_ETH_MAC2_VPE 0x08 +#define KR_ETHIPGT 0x0208 /* Ethernet back-to-back inter-packet gap */ +#define KR_ETHIPGR 0x020C /* Ethernet non back-to-back inter-packet gap */ +#define KR_ETHCLRT 0x0210 /* Ethernet collision window retry */ +#define KR_ETHMAXF 0x0214 /* Ethernet maximum frame length */ +#define KR_ETHMTEST 0x021C /* Ethernet MAC test */ +#define KR_MIIMCFG 0x0220 /* MII management configuration */ +#define KR_MIIMCFG_R 0x8000 +#define KR_MIIMCMD 0x0224 /* MII management command */ +#define KR_MIIMCMD_RD 0x01 +#define KR_MIIMCMD_SCN 0x02 +#define KR_MIIMADDR 0x0228 /* MII management address */ +#define KR_MIIMWTD 0x022C /* MII management write data */ +#define KR_MIIMRDD 0x0230 /* MII management read data */ +#define KR_MIIMIND 0x0234 /* MII management indicators */ +#define KR_MIIMIND_BSY 0x1 +#define KR_MIIMIND_SCN 0x2 +#define KR_MIIMIND_NV 0x4 +#define KR_ETHCFSA0 0x0240 /* Ethernet control frame station address 0 */ +#define KR_ETHCFSA1 0x0244 /* Ethernet control frame station address 1 */ +#define KR_ETHCFSA2 0x0248 /* Ethernet control frame station address 2 */ + +#define KR_ETHIPGT_HALF_DUPLEX 0x12 +#define KR_ETHIPGT_FULL_DUPLEX 0x15 + +#define KR_TIMEOUT 0xf000 +#define KR_MII_TIMEOUT 0xf000 + +#define KR_RX_IRQ 40 +#define KR_TX_IRQ 41 +#define KR_RX_UND_IRQ 42 +#define KR_TX_OVR_IRQ 43 +#define RC32434_DMA_BASE_ADDR MIPS_PHYS_TO_KSEG1(0x18040000) +#define DMA_C 0x00 +#define DMA_C_R 0x01 +#define DMA_C_ABORT 0x10 +#define DMA_S 0x04 +#define DMA_S_F 0x01 +#define DMA_S_D 0x02 +#define DMA_S_C 0x04 +#define DMA_S_E 0x08 +#define DMA_S_H 0x10 +#define DMA_SM 0x08 +#define DMA_SM_F 0x01 +#define DMA_SM_D 0x02 +#define DMA_SM_C 0x04 +#define DMA_SM_E 0x08 +#define DMA_SM_H 0x10 +#define DMA_DPTR 0x0C +#define DMA_NDPTR 0x10 + +#define RC32434_DMA_CHAN_SIZE 0x14 +#define KR_DMA_RXCHAN 0 +#define KR_DMA_TXCHAN 1 + +#define KR_DMA_READ_REG(chan, reg) \ + (*(volatile uint32_t *) \ + (RC32434_DMA_BASE_ADDR + chan * RC32434_DMA_CHAN_SIZE + reg)) + +#define KR_DMA_WRITE_REG(chan, reg, val) \ + ((*(volatile uint32_t *) \ + (RC32434_DMA_BASE_ADDR + chan * RC32434_DMA_CHAN_SIZE + reg)) = val) + +#define KR_DMA_SETBITS_REG(chan, reg, bits) \ + KR_DMA_WRITE_REG((chan), (reg), KR_DMA_READ_REG((chan), (reg)) | (bits)) + +#define KR_DMA_CLEARBITS_REG(chan, reg, bits) \ + KR_DMA_WRITE_REG((chan), (reg), \ + KR_DMA_READ_REG((chan), (reg)) & ~(bits)) + +struct kr_desc { + uint32_t kr_ctl; + uint32_t kr_ca; + uint32_t kr_devcs; + uint32_t kr_link; +}; + + +#define KR_DMASIZE(len) ((len) & ((1 << 18)-1)) +#define KR_PKTSIZE(len) ((len & 0xffff0000) >> 16) + +#define KR_CTL_COF 0x02000000 +#define KR_CTL_COD 0x04000000 +#define KR_CTL_IOF 0x08000000 +#define KR_CTL_IOD 0x10000000 +#define KR_CTL_T 0x20000000 +#define KR_CTL_D 0x40000000 +#define KR_CTL_F 0x80000000 + +#define KR_DMARX_DEVCS_RSV 0x00000001 +#define KR_DMARX_DEVCS_LD 0x00000002 +#define KR_DMARX_DEVCS_ROK 0x00000004 +#define KR_DMARX_DEVCS_FM 0x00000008 +#define KR_DMARX_DEVCS_MP 0x00000010 +#define KR_DMARX_DEVCS_BP 0x00000020 +#define KR_DMARX_DEVCS_VLT 0x00000040 +#define KR_DMARX_DEVCS_CF 0x00000080 +#define KR_DMARX_DEVCS_OVR 0x00000100 +#define KR_DMARX_DEVCS_CRC 0x00000200 +#define KR_DMARX_DEVCS_CV 0x00000400 +#define KR_DMARX_DEVCS_DB 0x00000800 +#define KR_DMARX_DEVCS_LE 0x00001000 +#define KR_DMARX_DEVCS_LOR 0x00002000 +#define KR_DMARX_DEVCS_CES 0x00004000 + +#define KR_DMATX_DEVCS_FD 0x00000001 +#define KR_DMATX_DEVCS_LD 0x00000002 +#define KR_DMATX_DEVCS_OEN 0x00000004 +#define KR_DMATX_DEVCS_PEN 0x00000008 +#define KR_DMATX_DEVCS_CEN 0x00000010 +#define KR_DMATX_DEVCS_HEN 0x00000020 +#define KR_DMATX_DEVCS_TOK 0x00000040 +#define KR_DMATX_DEVCS_MP 0x00000080 +#define KR_DMATX_DEVCS_BP 0x00000100 +#define KR_DMATX_DEVCS_UND 0x00000200 +#define KR_DMATX_DEVCS_OF 0x00000400 +#define KR_DMATX_DEVCS_ED 0x00000800 +#define KR_DMATX_DEVCS_EC 0x00001000 +#define KR_DMATX_DEVCS_LC 0x00002000 +#define KR_DMATX_DEVCS_TD 0x00004000 +#define KR_DMATX_DEVCS_CRC 0x00008000 +#define KR_DMATX_DEVCS_LE 0x00010000 + +#define KR_RX_RING_CNT 128 +#define KR_TX_RING_CNT 128 +#define KR_TX_RING_SIZE sizeof(struct kr_desc) * KR_TX_RING_CNT +#define KR_RX_RING_SIZE sizeof(struct kr_desc) * KR_RX_RING_CNT +#define KR_RING_ALIGN sizeof(struct kr_desc) +#define KR_RX_ALIGN sizeof(uint32_t) +#define KR_MAXFRAGS 8 +#define KR_TX_INTR_THRESH 8 + +#define KR_TX_RING_ADDR(sc, i) \ + ((sc)->kr_rdata.kr_tx_ring_paddr + sizeof(struct kr_desc) * (i)) +#define KR_RX_RING_ADDR(sc, i) \ + ((sc)->kr_rdata.kr_rx_ring_paddr + sizeof(struct kr_desc) * (i)) +#define KR_INC(x,y) (x) = (((x) + 1) % y) + +struct kr_txdesc { + struct mbuf *tx_m; + bus_dmamap_t tx_dmamap; +}; + +struct kr_rxdesc { + struct mbuf *rx_m; + bus_dmamap_t rx_dmamap; + struct kr_desc *desc; + /* Use this values on error instead of allocating new mbuf */ + uint32_t saved_ctl, saved_ca; +}; + +struct kr_chain_data { + bus_dma_tag_t kr_parent_tag; + bus_dma_tag_t kr_tx_tag; + struct kr_txdesc kr_txdesc[KR_TX_RING_CNT]; + bus_dma_tag_t kr_rx_tag; + struct kr_rxdesc kr_rxdesc[KR_RX_RING_CNT]; + bus_dma_tag_t kr_tx_ring_tag; + bus_dma_tag_t kr_rx_ring_tag; + bus_dmamap_t kr_tx_ring_map; + bus_dmamap_t kr_rx_ring_map; + bus_dmamap_t kr_rx_sparemap; + int kr_tx_pkts; + int kr_tx_prod; + int kr_tx_cons; + int kr_tx_cnt; + int kr_rx_cons; +}; + +struct kr_ring_data { + struct kr_desc *kr_rx_ring; + struct kr_desc *kr_tx_ring; + bus_addr_t kr_rx_ring_paddr; + bus_addr_t kr_tx_ring_paddr; +}; + +struct kr_softc { + struct ifnet *kr_ifp; /* interface info */ + bus_space_handle_t kr_bhandle; /* bus space handle */ + bus_space_tag_t kr_btag; /* bus space tag */ + device_t kr_dev; + struct resource *kr_res; + int kr_rid; + struct resource *kr_rx_irq; + void *kr_rx_intrhand; + struct resource *kr_tx_irq; + void *kr_tx_intrhand; + struct resource *kr_rx_und_irq; + void *kr_rx_und_intrhand; + struct resource *kr_tx_ovr_irq; + void *kr_tx_ovr_intrhand; + device_t kr_miibus; + bus_dma_tag_t kr_parent_tag; + bus_dma_tag_t kr_tag; + struct mtx kr_mtx; + struct callout kr_stat_callout; + struct task kr_link_task; + struct kr_chain_data kr_cdata; + struct kr_ring_data kr_rdata; + int kr_link_status; + int kr_detach; +}; + +#define KR_LOCK(_sc) mtx_lock(&(_sc)->kr_mtx) +#define KR_UNLOCK(_sc) mtx_unlock(&(_sc)->kr_mtx) +#define KR_LOCK_ASSERT(_sc) mtx_assert(&(_sc)->kr_mtx, MA_OWNED) + +/* + * register space access macros + */ +#define CSR_WRITE_4(sc, reg, val) \ + bus_space_write_4(sc->kr_btag, sc->kr_bhandle, reg, val) + +#define CSR_READ_4(sc, reg) \ + bus_space_read_4(sc->kr_btag, sc->kr_bhandle, reg) + +#endif /* __IF_KRREG_H__ */ |
