From 90d6500c0f90dd6e9aa770a5d8faf88bb34440ea Mon Sep 17 00:00:00 2001 From: Masahiro Yamada Date: Fri, 14 Apr 2017 10:55:00 +0900 Subject: drivers: remove Blackfin specific drivers These drivers have no user since commit ea3310e8aafa ("Blackfin: Remove"). Signed-off-by: Masahiro Yamada Reviewed-by: Simon Glass Acked-by: Michal Simek Acked-by: Jaehoon Chung --- drivers/net/bfin_mac.c | 519 ------------------------------------------------- 1 file changed, 519 deletions(-) delete mode 100644 drivers/net/bfin_mac.c (limited to 'drivers/net/bfin_mac.c') diff --git a/drivers/net/bfin_mac.c b/drivers/net/bfin_mac.c deleted file mode 100644 index 26a626b4cb..0000000000 --- a/drivers/net/bfin_mac.c +++ /dev/null @@ -1,519 +0,0 @@ -/* - * Driver for Blackfin On-Chip MAC device - * - * Copyright (c) 2005-2008 Analog Device, Inc. - * - * Licensed under the GPL-2 or later. - */ - -#include -#include -#include -#include -#include -#include -#include -#include -#include - -#include -#include -#include -#include -#include -#include - -#include "bfin_mac.h" - -#ifndef CONFIG_PHY_ADDR -# define CONFIG_PHY_ADDR 1 -#endif -#ifndef CONFIG_PHY_CLOCK_FREQ -# define CONFIG_PHY_CLOCK_FREQ 2500000 -#endif - -#ifdef CONFIG_POST -#include -#endif - -#define RXBUF_BASE_ADDR 0xFF900000 -#define TXBUF_BASE_ADDR 0xFF800000 -#define TX_BUF_CNT 1 - -#define TOUT_LOOP 1000000 - -static ADI_ETHER_BUFFER *txbuf[TX_BUF_CNT]; -static ADI_ETHER_BUFFER *rxbuf[PKTBUFSRX]; -static u16 txIdx; /* index of the current RX buffer */ -static u16 rxIdx; /* index of the current TX buffer */ - -/* DMAx_CONFIG values at DMA Restart */ -static const union { - u16 data; - ADI_DMA_CONFIG_REG reg; -} txdmacfg = { - .reg = { - .b_DMA_EN = 1, /* enabled */ - .b_WNR = 0, /* read from memory */ - .b_WDSIZE = 2, /* wordsize is 32 bits */ - .b_DMA2D = 0, - .b_RESTART = 0, - .b_DI_SEL = 0, - .b_DI_EN = 0, /* no interrupt */ - .b_NDSIZE = 5, /* 5 half words is desc size */ - .b_FLOW = 7 /* large desc flow */ - }, -}; - -static int bfin_miiphy_wait(void) -{ - /* poll the STABUSY bit */ - while (bfin_read_EMAC_STAADD() & STABUSY) - continue; - return 0; -} - -static int bfin_miiphy_read(struct mii_dev *bus, int addr, int devad, int reg) -{ - ushort val = 0; - if (bfin_miiphy_wait()) - return 1; - bfin_write_EMAC_STAADD(SET_PHYAD(addr) | SET_REGAD(reg) | STABUSY); - if (bfin_miiphy_wait()) - return 1; - val = bfin_read_EMAC_STADAT(); - return val; -} - -static int bfin_miiphy_write(struct mii_dev *bus, int addr, int devad, - int reg, u16 val) -{ - if (bfin_miiphy_wait()) - return 1; - bfin_write_EMAC_STADAT(val); - bfin_write_EMAC_STAADD(SET_PHYAD(addr) | SET_REGAD(reg) | STAOP | STABUSY); - return 0; -} - -int bfin_EMAC_initialize(bd_t *bis) -{ - struct eth_device *dev; - dev = malloc(sizeof(*dev)); - if (dev == NULL) - hang(); - - memset(dev, 0, sizeof(*dev)); - strcpy(dev->name, "bfin_mac"); - - dev->iobase = 0; - dev->priv = 0; - dev->init = bfin_EMAC_init; - dev->halt = bfin_EMAC_halt; - dev->send = bfin_EMAC_send; - dev->recv = bfin_EMAC_recv; - dev->write_hwaddr = bfin_EMAC_setup_addr; - - eth_register(dev); - -#if defined(CONFIG_MII) || defined(CONFIG_CMD_MII) - int retval; - struct mii_dev *mdiodev = mdio_alloc(); - if (!mdiodev) - return -ENOMEM; - strncpy(mdiodev->name, dev->name, MDIO_NAME_LEN); - mdiodev->read = bfin_miiphy_read; - mdiodev->write = bfin_miiphy_write; - - retval = mdio_register(mdiodev); - if (retval < 0) - return retval; - - dev->priv = mdiodev; -#endif - - return 0; -} - -static int bfin_EMAC_send(struct eth_device *dev, void *packet, int length) -{ - int i; - int result = 0; - - if (length <= 0) { - printf("Ethernet: bad packet size: %d\n", length); - goto out; - } - - if (bfin_read_DMA2_IRQ_STATUS() & DMA_ERR) { - printf("Ethernet: tx DMA error\n"); - goto out; - } - - for (i = 0; (bfin_read_DMA2_IRQ_STATUS() & DMA_RUN); ++i) { - if (i > TOUT_LOOP) { - puts("Ethernet: tx time out\n"); - goto out; - } - } - txbuf[txIdx]->FrmData->NoBytes = length; - memcpy(txbuf[txIdx]->FrmData->Dest, (void *)packet, length); - txbuf[txIdx]->Dma[0].START_ADDR = (u32) txbuf[txIdx]->FrmData; - bfin_write_DMA2_NEXT_DESC_PTR(txbuf[txIdx]->Dma); - bfin_write_DMA2_CONFIG(txdmacfg.data); - bfin_write_EMAC_OPMODE(bfin_read_EMAC_OPMODE() | TE); - - for (i = 0; (txbuf[txIdx]->StatusWord & TX_COMP) == 0; i++) { - if (i > TOUT_LOOP) { - puts("Ethernet: tx error\n"); - goto out; - } - } - result = txbuf[txIdx]->StatusWord; - txbuf[txIdx]->StatusWord = 0; - if ((txIdx + 1) >= TX_BUF_CNT) - txIdx = 0; - else - txIdx++; - out: - debug("BFIN EMAC send: length = %d\n", length); - return result; -} - -static int bfin_EMAC_recv(struct eth_device *dev) -{ - int length = 0; - - for (;;) { - if ((rxbuf[rxIdx]->StatusWord & RX_COMP) == 0) { - length = -1; - break; - } - if ((rxbuf[rxIdx]->StatusWord & RX_DMAO) != 0) { - printf("Ethernet: rx dma overrun\n"); - break; - } - if ((rxbuf[rxIdx]->StatusWord & RX_OK) == 0) { - printf("Ethernet: rx error\n"); - break; - } - length = rxbuf[rxIdx]->StatusWord & 0x000007FF; - if (length <= 4) { - printf("Ethernet: bad frame\n"); - break; - } - - debug("%s: len = %d\n", __func__, length - 4); - - net_rx_packets[rxIdx] = rxbuf[rxIdx]->FrmData->Dest; - net_process_received_packet(net_rx_packets[rxIdx], length - 4); - bfin_write_DMA1_IRQ_STATUS(DMA_DONE | DMA_ERR); - rxbuf[rxIdx]->StatusWord = 0x00000000; - if ((rxIdx + 1) >= PKTBUFSRX) - rxIdx = 0; - else - rxIdx++; - } - - return length; -} - -/************************************************************** - * - * Ethernet Initialization Routine - * - *************************************************************/ - -/* MDC = SCLK / MDC_freq / 2 - 1 */ -#define MDC_FREQ_TO_DIV(mdc_freq) (get_sclk() / (mdc_freq) / 2 - 1) - -#ifndef CONFIG_BFIN_MAC_PINS -# ifdef CONFIG_RMII -# define CONFIG_BFIN_MAC_PINS P_RMII0 -# else -# define CONFIG_BFIN_MAC_PINS P_MII0 -# endif -#endif - -static int bfin_miiphy_init(struct eth_device *dev, int *opmode) -{ - const unsigned short pins[] = CONFIG_BFIN_MAC_PINS; - int phydat; - size_t count; - struct mii_dev *mdiodev = dev->priv; - - /* Enable PHY output */ - bfin_write_VR_CTL(bfin_read_VR_CTL() | CLKBUFOE); - - /* Set all the pins to peripheral mode */ - peripheral_request_list(pins, "bfin_mac"); - - /* Odd word alignment for Receive Frame DMA word */ - /* Configure checksum support and rcve frame word alignment */ - bfin_write_EMAC_SYSCTL(RXDWA | RXCKS | SET_MDCDIV(MDC_FREQ_TO_DIV(CONFIG_PHY_CLOCK_FREQ))); - - /* turn on auto-negotiation and wait for link to come up */ - bfin_miiphy_write(mdiodev, CONFIG_PHY_ADDR, MDIO_DEVAD_NONE, MII_BMCR, - BMCR_ANENABLE); - count = 0; - while (1) { - ++count; - phydat = bfin_miiphy_read(mdiodev, CONFIG_PHY_ADDR, - MDIO_DEVAD_NONE, MII_BMSR); - if (phydat < 0) - return phydat; - if (phydat & BMSR_LSTATUS) - break; - if (count > 30000) { - printf("%s: link down, check cable\n", dev->name); - return -1; - } - udelay(100); - } - - /* see what kind of link we have */ - phydat = bfin_miiphy_read(mdiodev, CONFIG_PHY_ADDR, MDIO_DEVAD_NONE, - MII_LPA); - if (phydat < 0) - return phydat; - if (phydat & LPA_DUPLEX) - *opmode = FDMODE; - else - *opmode = 0; - - bfin_write_EMAC_MMC_CTL(RSTC | CROLL); - bfin_write_EMAC_VLAN1(EMAC_VLANX_DEF_VAL); - bfin_write_EMAC_VLAN2(EMAC_VLANX_DEF_VAL); - - /* Initialize the TX DMA channel registers */ - bfin_write_DMA2_X_COUNT(0); - bfin_write_DMA2_X_MODIFY(4); - bfin_write_DMA2_Y_COUNT(0); - bfin_write_DMA2_Y_MODIFY(0); - - /* Initialize the RX DMA channel registers */ - bfin_write_DMA1_X_COUNT(0); - bfin_write_DMA1_X_MODIFY(4); - bfin_write_DMA1_Y_COUNT(0); - bfin_write_DMA1_Y_MODIFY(0); - - return 0; -} - -static int bfin_EMAC_setup_addr(struct eth_device *dev) -{ - bfin_write_EMAC_ADDRLO( - dev->enetaddr[0] | - dev->enetaddr[1] << 8 | - dev->enetaddr[2] << 16 | - dev->enetaddr[3] << 24 - ); - bfin_write_EMAC_ADDRHI( - dev->enetaddr[4] | - dev->enetaddr[5] << 8 - ); - return 0; -} - -static int bfin_EMAC_init(struct eth_device *dev, bd_t *bd) -{ - u32 opmode; - int dat; - int i; - debug("Eth_init: ......\n"); - - txIdx = 0; - rxIdx = 0; - - /* Initialize System Register */ - if (bfin_miiphy_init(dev, &dat) < 0) - return -1; - - /* Initialize EMAC address */ - bfin_EMAC_setup_addr(dev); - - /* Initialize TX and RX buffer */ - for (i = 0; i < PKTBUFSRX; i++) { - rxbuf[i] = SetupRxBuffer(i); - if (i > 0) { - rxbuf[i - 1]->Dma[1].NEXT_DESC_PTR = rxbuf[i]->Dma; - if (i == (PKTBUFSRX - 1)) - rxbuf[i]->Dma[1].NEXT_DESC_PTR = rxbuf[0]->Dma; - } - } - for (i = 0; i < TX_BUF_CNT; i++) { - txbuf[i] = SetupTxBuffer(i); - if (i > 0) { - txbuf[i - 1]->Dma[1].NEXT_DESC_PTR = txbuf[i]->Dma; - if (i == (TX_BUF_CNT - 1)) - txbuf[i]->Dma[1].NEXT_DESC_PTR = txbuf[0]->Dma; - } - } - - /* Set RX DMA */ - bfin_write_DMA1_NEXT_DESC_PTR(rxbuf[0]->Dma); - bfin_write_DMA1_CONFIG(rxbuf[0]->Dma[0].CONFIG_DATA); - - /* Wait MII done */ - bfin_miiphy_wait(); - - /* We enable only RX here */ - /* ASTP : Enable Automatic Pad Stripping - PR : Promiscuous Mode for test - PSF : Receive frames with total length less than 64 bytes. - FDMODE : Full Duplex Mode - LB : Internal Loopback for test - RE : Receiver Enable */ - if (dat == FDMODE) - opmode = ASTP | FDMODE | PSF; - else - opmode = ASTP | PSF; - opmode |= RE; -#ifdef CONFIG_RMII - opmode |= TE | RMII; -#endif - /* Turn on the EMAC */ - bfin_write_EMAC_OPMODE(opmode); - return 0; -} - -static void bfin_EMAC_halt(struct eth_device *dev) -{ - debug("Eth_halt: ......\n"); - /* Turn off the EMAC */ - bfin_write_EMAC_OPMODE(0); - /* Turn off the EMAC RX DMA */ - bfin_write_DMA1_CONFIG(0); - bfin_write_DMA2_CONFIG(0); -} - -ADI_ETHER_BUFFER *SetupRxBuffer(int no) -{ - ADI_ETHER_FRAME_BUFFER *frmbuf; - ADI_ETHER_BUFFER *buf; - int nobytes_buffer = sizeof(ADI_ETHER_BUFFER[2]) / 2; /* ensure a multi. of 4 */ - int total_size = nobytes_buffer + RECV_BUFSIZE; - - buf = (void *) (RXBUF_BASE_ADDR + no * total_size); - frmbuf = (void *) (RXBUF_BASE_ADDR + no * total_size + nobytes_buffer); - - memset(buf, 0x00, nobytes_buffer); - buf->FrmData = frmbuf; - memset(frmbuf, 0xfe, RECV_BUFSIZE); - - /* set up first desc to point to receive frame buffer */ - buf->Dma[0].NEXT_DESC_PTR = &(buf->Dma[1]); - buf->Dma[0].START_ADDR = (u32) buf->FrmData; - buf->Dma[0].CONFIG.b_DMA_EN = 1; /* enabled */ - buf->Dma[0].CONFIG.b_WNR = 1; /* Write to memory */ - buf->Dma[0].CONFIG.b_WDSIZE = 2; /* wordsize is 32 bits */ - buf->Dma[0].CONFIG.b_NDSIZE = 5; /* 5 half words is desc size. */ - buf->Dma[0].CONFIG.b_FLOW = 7; /* large desc flow */ - - /* set up second desc to point to status word */ - buf->Dma[1].NEXT_DESC_PTR = buf->Dma; - buf->Dma[1].START_ADDR = (u32) & buf->IPHdrChksum; - buf->Dma[1].CONFIG.b_DMA_EN = 1; /* enabled */ - buf->Dma[1].CONFIG.b_WNR = 1; /* Write to memory */ - buf->Dma[1].CONFIG.b_WDSIZE = 2; /* wordsize is 32 bits */ - buf->Dma[1].CONFIG.b_DI_EN = 1; /* enable interrupt */ - buf->Dma[1].CONFIG.b_NDSIZE = 5; /* must be 0 when FLOW is 0 */ - buf->Dma[1].CONFIG.b_FLOW = 7; /* stop */ - - return buf; -} - -ADI_ETHER_BUFFER *SetupTxBuffer(int no) -{ - ADI_ETHER_FRAME_BUFFER *frmbuf; - ADI_ETHER_BUFFER *buf; - int nobytes_buffer = sizeof(ADI_ETHER_BUFFER[2]) / 2; /* ensure a multi. of 4 */ - int total_size = nobytes_buffer + RECV_BUFSIZE; - - buf = (void *) (TXBUF_BASE_ADDR + no * total_size); - frmbuf = (void *) (TXBUF_BASE_ADDR + no * total_size + nobytes_buffer); - - memset(buf, 0x00, nobytes_buffer); - buf->FrmData = frmbuf; - memset(frmbuf, 0x00, RECV_BUFSIZE); - - /* set up first desc to point to receive frame buffer */ - buf->Dma[0].NEXT_DESC_PTR = &(buf->Dma[1]); - buf->Dma[0].START_ADDR = (u32) buf->FrmData; - buf->Dma[0].CONFIG.b_DMA_EN = 1; /* enabled */ - buf->Dma[0].CONFIG.b_WNR = 0; /* Read to memory */ - buf->Dma[0].CONFIG.b_WDSIZE = 2; /* wordsize is 32 bits */ - buf->Dma[0].CONFIG.b_NDSIZE = 5; /* 5 half words is desc size. */ - buf->Dma[0].CONFIG.b_FLOW = 7; /* large desc flow */ - - /* set up second desc to point to status word */ - buf->Dma[1].NEXT_DESC_PTR = &(buf->Dma[0]); - buf->Dma[1].START_ADDR = (u32) & buf->StatusWord; - buf->Dma[1].CONFIG.b_DMA_EN = 1; /* enabled */ - buf->Dma[1].CONFIG.b_WNR = 1; /* Write to memory */ - buf->Dma[1].CONFIG.b_WDSIZE = 2; /* wordsize is 32 bits */ - buf->Dma[1].CONFIG.b_DI_EN = 1; /* enable interrupt */ - buf->Dma[1].CONFIG.b_NDSIZE = 0; /* must be 0 when FLOW is 0 */ - buf->Dma[1].CONFIG.b_FLOW = 0; /* stop */ - - return buf; -} - -#if defined(CONFIG_POST) && defined(CONFIG_SYS_POST_ETHER) -int ether_post_test(int flags) -{ - uchar buf[64]; - int i, value = 0; - int length; - uint addr; - - printf("\n--------"); - bfin_EMAC_init(NULL, NULL); - /* construct the package */ - addr = bfin_read_EMAC_ADDRLO(); - buf[0] = buf[6] = addr; - buf[1] = buf[7] = addr >> 8; - buf[2] = buf[8] = addr >> 16; - buf[3] = buf[9] = addr >> 24; - addr = bfin_read_EMAC_ADDRHI(); - buf[4] = buf[10] = addr; - buf[5] = buf[11] = addr >> 8; - buf[12] = 0x08; /* Type: ARP */ - buf[13] = 0x06; - buf[14] = 0x00; /* Hardware type: Ethernet */ - buf[15] = 0x01; - buf[16] = 0x08; /* Protocal type: IP */ - buf[17] = 0x00; - buf[18] = 0x06; /* Hardware size */ - buf[19] = 0x04; /* Protocol size */ - buf[20] = 0x00; /* Opcode: request */ - buf[21] = 0x01; - - for (i = 0; i < 42; i++) - buf[i + 22] = i; - printf("--------Send 64 bytes......\n"); - bfin_EMAC_send(NULL, buf, 64); - for (i = 0; i < 100; i++) { - udelay(10000); - if ((rxbuf[rxIdx]->StatusWord & RX_COMP) != 0) { - value = 1; - break; - } - } - if (value == 0) { - printf("--------EMAC can't receive any data\n"); - eth_halt(); - return -1; - } - length = rxbuf[rxIdx]->StatusWord & 0x000007FF - 4; - for (i = 0; i < length; i++) { - if (rxbuf[rxIdx]->FrmData->Dest[i] != buf[i]) { - printf("--------EMAC receive error data!\n"); - eth_halt(); - return -1; - } - } - printf("--------receive %d bytes, matched\n", length); - bfin_EMAC_halt(NULL); - return 0; -} -#endif -- cgit