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/*-
* 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: release/9.1.0/sys/mips/idt/if_krreg.h 202175 2010-01-12 21:36:08Z imp $
*
*/
#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__ */