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author | H. Nikolaus Schaller <hns@goldelico.com> | 2012-03-26 20:55:28 +0200 |
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committer | H. Nikolaus Schaller <hns@goldelico.com> | 2012-03-26 20:55:28 +0200 |
commit | 92988a21ad4c4c9504295ccb580c9f806134471b (patch) | |
tree | 5effc9f14170112450de05c67dafbe8d5034d595 /arch/powerpc/cpu/mpc85xx/ether_fcc.c | |
parent | ca2b506783b676c95762c54ea24dcfdaae1947c9 (diff) | |
download | bootable_bootloader_goldelico_gta04-92988a21ad4c4c9504295ccb580c9f806134471b.zip bootable_bootloader_goldelico_gta04-92988a21ad4c4c9504295ccb580c9f806134471b.tar.gz bootable_bootloader_goldelico_gta04-92988a21ad4c4c9504295ccb580c9f806134471b.tar.bz2 |
added boot script files to repository
Diffstat (limited to 'arch/powerpc/cpu/mpc85xx/ether_fcc.c')
-rw-r--r-- | arch/powerpc/cpu/mpc85xx/ether_fcc.c | 469 |
1 files changed, 0 insertions, 469 deletions
diff --git a/arch/powerpc/cpu/mpc85xx/ether_fcc.c b/arch/powerpc/cpu/mpc85xx/ether_fcc.c deleted file mode 100644 index f69b2e6..0000000 --- a/arch/powerpc/cpu/mpc85xx/ether_fcc.c +++ /dev/null @@ -1,469 +0,0 @@ -/* - * MPC8560 FCC Fast Ethernet - * Copyright (c) 2003 Motorola,Inc. - * Xianghua Xiao, (X.Xiao@motorola.com) - * - * Copyright (c) 2000 MontaVista Software, Inc. Dan Malek (dmalek@jlc.net) - * - * (C) Copyright 2000 Sysgo Real-Time Solutions, GmbH <www.elinos.com> - * Marius Groeger <mgroeger@sysgo.de> - * - * See file CREDITS for list of people who contributed to this - * project. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation; either version 2 of - * the License, or (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, - * MA 02111-1307 USA - */ - -/* - * MPC8560 FCC Fast Ethernet - * Basic ET HW initialization and packet RX/TX routines - * - * This code will not perform the IO port configuration. This should be - * done in the iop_conf_t structure specific for the board. - * - * TODO: - * add a PHY driver to do the negotiation - * reflect negotiation results in FPSMR - * look for ways to configure the board specific stuff elsewhere, eg. - * config_xxx.h or the board directory - */ - -#include <common.h> -#include <malloc.h> -#include <asm/cpm_85xx.h> -#include <command.h> -#include <config.h> -#include <net.h> - -#if defined(CONFIG_MII) || defined(CONFIG_CMD_MII) -#include <miiphy.h> -#endif - -#if defined(CONFIG_ETHER_ON_FCC) && defined(CONFIG_CMD_NET) && \ - defined(CONFIG_NET_MULTI) - -static struct ether_fcc_info_s -{ - int ether_index; - int proff_enet; - ulong cpm_cr_enet_sblock; - ulong cpm_cr_enet_page; - ulong cmxfcr_mask; - ulong cmxfcr_value; -} - ether_fcc_info[] = -{ -#ifdef CONFIG_ETHER_ON_FCC1 -{ - 0, - PROFF_FCC1, - CPM_CR_FCC1_SBLOCK, - CPM_CR_FCC1_PAGE, - CONFIG_SYS_CMXFCR_MASK1, - CONFIG_SYS_CMXFCR_VALUE1 -}, -#endif - -#ifdef CONFIG_ETHER_ON_FCC2 -{ - 1, - PROFF_FCC2, - CPM_CR_FCC2_SBLOCK, - CPM_CR_FCC2_PAGE, - CONFIG_SYS_CMXFCR_MASK2, - CONFIG_SYS_CMXFCR_VALUE2 -}, -#endif - -#ifdef CONFIG_ETHER_ON_FCC3 -{ - 2, - PROFF_FCC3, - CPM_CR_FCC3_SBLOCK, - CPM_CR_FCC3_PAGE, - CONFIG_SYS_CMXFCR_MASK3, - CONFIG_SYS_CMXFCR_VALUE3 -}, -#endif -}; - -/*---------------------------------------------------------------------*/ - -/* Maximum input DMA size. Must be a should(?) be a multiple of 4. */ -#define PKT_MAXDMA_SIZE 1520 - -/* The FCC stores dest/src/type, data, and checksum for receive packets. */ -#define PKT_MAXBUF_SIZE 1518 -#define PKT_MINBUF_SIZE 64 - -/* Maximum input buffer size. Must be a multiple of 32. */ -#define PKT_MAXBLR_SIZE 1536 - -#define TOUT_LOOP 1000000 - -#define TX_BUF_CNT 2 - -static uint rxIdx; /* index of the current RX buffer */ -static uint txIdx; /* index of the current TX buffer */ - -/* - * FCC Ethernet Tx and Rx buffer descriptors. - * Provide for Double Buffering - * Note: PKTBUFSRX is defined in net.h - */ - -typedef volatile struct rtxbd { - cbd_t rxbd[PKTBUFSRX]; - cbd_t txbd[TX_BUF_CNT]; -} RTXBD; - -/* Good news: the FCC supports external BDs! */ -#ifdef __GNUC__ -static RTXBD rtx __attribute__ ((aligned(8))); -#else -#error "rtx must be 64-bit aligned" -#endif - -#undef ET_DEBUG - -static int fec_send(struct eth_device* dev, volatile void *packet, int length) -{ - int i = 0; - int result = 0; - - if (length <= 0) { - printf("fec: bad packet size: %d\n", length); - goto out; - } - - for(i=0; rtx.txbd[txIdx].cbd_sc & BD_ENET_TX_READY; i++) { - if (i >= TOUT_LOOP) { - printf("fec: tx buffer not ready\n"); - goto out; - } - } - - rtx.txbd[txIdx].cbd_bufaddr = (uint)packet; - rtx.txbd[txIdx].cbd_datlen = length; - rtx.txbd[txIdx].cbd_sc |= (BD_ENET_TX_READY | BD_ENET_TX_LAST | \ - BD_ENET_TX_TC | BD_ENET_TX_PAD); - - for(i=0; rtx.txbd[txIdx].cbd_sc & BD_ENET_TX_READY; i++) { - if (i >= TOUT_LOOP) { - printf("fec: tx error\n"); - goto out; - } - } - -#ifdef ET_DEBUG - printf("cycles: 0x%x txIdx=0x%04x status: 0x%04x\n", i, txIdx,rtx.txbd[txIdx].cbd_sc); - printf("packets at 0x%08x, length_in_bytes=0x%x\n",(uint)packet,length); - for(i=0;i<(length/16 + 1);i++) { - printf("%08x %08x %08x %08x\n",*((uint *)rtx.txbd[txIdx].cbd_bufaddr+i*4),\ - *((uint *)rtx.txbd[txIdx].cbd_bufaddr + i*4 + 1),*((uint *)rtx.txbd[txIdx].cbd_bufaddr + i*4 + 2), \ - *((uint *)rtx.txbd[txIdx].cbd_bufaddr + i*4 + 3)); - } -#endif - - /* return only status bits */ - result = rtx.txbd[txIdx].cbd_sc & BD_ENET_TX_STATS; - txIdx = (txIdx + 1) % TX_BUF_CNT; - -out: - return result; -} - -static int fec_recv(struct eth_device* dev) -{ - int length; - - for (;;) - { - if (rtx.rxbd[rxIdx].cbd_sc & BD_ENET_RX_EMPTY) { - length = -1; - break; /* nothing received - leave for() loop */ - } - length = rtx.rxbd[rxIdx].cbd_datlen; - - if (rtx.rxbd[rxIdx].cbd_sc & 0x003f) { - printf("fec: rx error %04x\n", rtx.rxbd[rxIdx].cbd_sc); - } - else { - /* Pass the packet up to the protocol layers. */ - NetReceive(NetRxPackets[rxIdx], length - 4); - } - - - /* Give the buffer back to the FCC. */ - rtx.rxbd[rxIdx].cbd_datlen = 0; - - /* wrap around buffer index when necessary */ - if ((rxIdx + 1) >= PKTBUFSRX) { - rtx.rxbd[PKTBUFSRX - 1].cbd_sc = (BD_ENET_RX_WRAP | BD_ENET_RX_EMPTY); - rxIdx = 0; - } - else { - rtx.rxbd[rxIdx].cbd_sc = BD_ENET_RX_EMPTY; - rxIdx++; - } - } - return length; -} - - -static int fec_init(struct eth_device* dev, bd_t *bis) -{ - struct ether_fcc_info_s * info = dev->priv; - int i; - volatile ccsr_cpm_t *cpm = (ccsr_cpm_t *)CONFIG_SYS_MPC85xx_CPM_ADDR; - volatile ccsr_cpm_cp_t *cp = &(cpm->im_cpm_cp); - fcc_enet_t *pram_ptr; - unsigned long mem_addr; - -#if 0 - mii_discover_phy(); -#endif - - /* 28.9 - (1-2): ioports have been set up already */ - - /* 28.9 - (3): connect FCC's tx and rx clocks */ - cpm->im_cpm_mux.cmxuar = 0; /* ATM */ - cpm->im_cpm_mux.cmxfcr = (cpm->im_cpm_mux.cmxfcr & ~info->cmxfcr_mask) | - info->cmxfcr_value; - - /* 28.9 - (4): GFMR: disable tx/rx, CCITT CRC, set Mode Ethernet */ - if(info->ether_index == 0) { - cpm->im_cpm_fcc1.gfmr = FCC_GFMR_MODE_ENET | FCC_GFMR_TCRC_32; - } else if (info->ether_index == 1) { - cpm->im_cpm_fcc2.gfmr = FCC_GFMR_MODE_ENET | FCC_GFMR_TCRC_32; - } else if (info->ether_index == 2) { - cpm->im_cpm_fcc3.gfmr = FCC_GFMR_MODE_ENET | FCC_GFMR_TCRC_32; - } - - /* 28.9 - (5): FPSMR: enable full duplex, select CCITT CRC for Ethernet,MII */ - if(info->ether_index == 0) { - cpm->im_cpm_fcc1.fpsmr = CONFIG_SYS_FCC_PSMR | FCC_PSMR_ENCRC; - } else if (info->ether_index == 1){ - cpm->im_cpm_fcc2.fpsmr = CONFIG_SYS_FCC_PSMR | FCC_PSMR_ENCRC; - } else if (info->ether_index == 2){ - cpm->im_cpm_fcc3.fpsmr = CONFIG_SYS_FCC_PSMR | FCC_PSMR_ENCRC; - } - - /* 28.9 - (6): FDSR: Ethernet Syn */ - if(info->ether_index == 0) { - cpm->im_cpm_fcc1.fdsr = 0xD555; - } else if (info->ether_index == 1) { - cpm->im_cpm_fcc2.fdsr = 0xD555; - } else if (info->ether_index == 2) { - cpm->im_cpm_fcc3.fdsr = 0xD555; - } - - /* reset indeces to current rx/tx bd (see eth_send()/eth_rx()) */ - rxIdx = 0; - txIdx = 0; - - /* Setup Receiver Buffer Descriptors */ - for (i = 0; i < PKTBUFSRX; i++) - { - rtx.rxbd[i].cbd_sc = BD_ENET_RX_EMPTY; - rtx.rxbd[i].cbd_datlen = 0; - rtx.rxbd[i].cbd_bufaddr = (uint)NetRxPackets[i]; - } - rtx.rxbd[PKTBUFSRX - 1].cbd_sc |= BD_ENET_RX_WRAP; - - /* Setup Ethernet Transmitter Buffer Descriptors */ - for (i = 0; i < TX_BUF_CNT; i++) - { - rtx.txbd[i].cbd_sc = 0; - rtx.txbd[i].cbd_datlen = 0; - rtx.txbd[i].cbd_bufaddr = 0; - } - rtx.txbd[TX_BUF_CNT - 1].cbd_sc |= BD_ENET_TX_WRAP; - - /* 28.9 - (7): initialize parameter ram */ - pram_ptr = (fcc_enet_t *)&(cpm->im_dprambase[info->proff_enet]); - - /* clear whole structure to make sure all reserved fields are zero */ - memset((void*)pram_ptr, 0, sizeof(fcc_enet_t)); - - /* - * common Parameter RAM area - * - * Allocate space in the reserved FCC area of DPRAM for the - * internal buffers. No one uses this space (yet), so we - * can do this. Later, we will add resource management for - * this area. - * CPM_FCC_SPECIAL_BASE: 0xB000 for MPC8540, MPC8560 - * 0x9000 for MPC8541, MPC8555 - */ - mem_addr = CPM_FCC_SPECIAL_BASE + ((info->ether_index) * 64); - pram_ptr->fen_genfcc.fcc_riptr = mem_addr; - pram_ptr->fen_genfcc.fcc_tiptr = mem_addr+32; - /* - * Set maximum bytes per receive buffer. - * It must be a multiple of 32. - */ - pram_ptr->fen_genfcc.fcc_mrblr = PKT_MAXBLR_SIZE; /* 1536 */ - /* localbus SDRAM should be preferred */ - pram_ptr->fen_genfcc.fcc_rstate = (CPMFCR_GBL | CPMFCR_EB | - CONFIG_SYS_CPMFCR_RAMTYPE) << 24; - pram_ptr->fen_genfcc.fcc_rbase = (unsigned int)(&rtx.rxbd[rxIdx]); - pram_ptr->fen_genfcc.fcc_rbdstat = 0; - pram_ptr->fen_genfcc.fcc_rbdlen = 0; - pram_ptr->fen_genfcc.fcc_rdptr = 0; - /* localbus SDRAM should be preferred */ - pram_ptr->fen_genfcc.fcc_tstate = (CPMFCR_GBL | CPMFCR_EB | - CONFIG_SYS_CPMFCR_RAMTYPE) << 24; - pram_ptr->fen_genfcc.fcc_tbase = (unsigned int)(&rtx.txbd[txIdx]); - pram_ptr->fen_genfcc.fcc_tbdstat = 0; - pram_ptr->fen_genfcc.fcc_tbdlen = 0; - pram_ptr->fen_genfcc.fcc_tdptr = 0; - - /* protocol-specific area */ - pram_ptr->fen_statbuf = 0x0; - pram_ptr->fen_cmask = 0xdebb20e3; /* CRC mask */ - pram_ptr->fen_cpres = 0xffffffff; /* CRC preset */ - pram_ptr->fen_crcec = 0; - pram_ptr->fen_alec = 0; - pram_ptr->fen_disfc = 0; - pram_ptr->fen_retlim = 15; /* Retry limit threshold */ - pram_ptr->fen_retcnt = 0; - pram_ptr->fen_pper = 0; - pram_ptr->fen_boffcnt = 0; - pram_ptr->fen_gaddrh = 0; - pram_ptr->fen_gaddrl = 0; - pram_ptr->fen_mflr = PKT_MAXBUF_SIZE; /* maximum frame length register */ - /* - * Set Ethernet station address. - * - * This is supplied in the board information structure, so we - * copy that into the controller. - * So far we have only been given one Ethernet address. We make - * it unique by setting a few bits in the upper byte of the - * non-static part of the address. - */ -#define ea eth_get_dev()->enetaddr - pram_ptr->fen_paddrh = (ea[5] << 8) + ea[4]; - pram_ptr->fen_paddrm = (ea[3] << 8) + ea[2]; - pram_ptr->fen_paddrl = (ea[1] << 8) + ea[0]; -#undef ea - pram_ptr->fen_ibdcount = 0; - pram_ptr->fen_ibdstart = 0; - pram_ptr->fen_ibdend = 0; - pram_ptr->fen_txlen = 0; - pram_ptr->fen_iaddrh = 0; /* disable hash */ - pram_ptr->fen_iaddrl = 0; - pram_ptr->fen_minflr = PKT_MINBUF_SIZE; /* minimum frame length register: 64 */ - /* pad pointer. use tiptr since we don't need a specific padding char */ - pram_ptr->fen_padptr = pram_ptr->fen_genfcc.fcc_tiptr; - pram_ptr->fen_maxd1 = PKT_MAXDMA_SIZE; /* maximum DMA1 length:1520 */ - pram_ptr->fen_maxd2 = PKT_MAXDMA_SIZE; /* maximum DMA2 length:1520 */ - -#if defined(ET_DEBUG) - printf("parm_ptr(0xff788500) = %p\n",pram_ptr); - printf("pram_ptr->fen_genfcc.fcc_rbase %08x\n", - pram_ptr->fen_genfcc.fcc_rbase); - printf("pram_ptr->fen_genfcc.fcc_tbase %08x\n", - pram_ptr->fen_genfcc.fcc_tbase); -#endif - - /* 28.9 - (8)(9): clear out events in FCCE */ - /* 28.9 - (9): FCCM: mask all events */ - if(info->ether_index == 0) { - cpm->im_cpm_fcc1.fcce = ~0x0; - cpm->im_cpm_fcc1.fccm = 0; - } else if (info->ether_index == 1) { - cpm->im_cpm_fcc2.fcce = ~0x0; - cpm->im_cpm_fcc2.fccm = 0; - } else if (info->ether_index == 2) { - cpm->im_cpm_fcc3.fcce = ~0x0; - cpm->im_cpm_fcc3.fccm = 0; - } - - /* 28.9 - (10-12): we don't use ethernet interrupts */ - - /* 28.9 - (13) - * - * Let's re-initialize the channel now. We have to do it later - * than the manual describes because we have just now finished - * the BD initialization. - */ - cp->cpcr = mk_cr_cmd(info->cpm_cr_enet_page, - info->cpm_cr_enet_sblock, - 0x0c, - CPM_CR_INIT_TRX) | CPM_CR_FLG; - do { - __asm__ __volatile__ ("eieio"); - } while (cp->cpcr & CPM_CR_FLG); - - /* 28.9 - (14): enable tx/rx in gfmr */ - if(info->ether_index == 0) { - cpm->im_cpm_fcc1.gfmr |= FCC_GFMR_ENT | FCC_GFMR_ENR; - } else if (info->ether_index == 1) { - cpm->im_cpm_fcc2.gfmr |= FCC_GFMR_ENT | FCC_GFMR_ENR; - } else if (info->ether_index == 2) { - cpm->im_cpm_fcc3.gfmr |= FCC_GFMR_ENT | FCC_GFMR_ENR; - } - - return 1; -} - -static void fec_halt(struct eth_device* dev) -{ - struct ether_fcc_info_s * info = dev->priv; - volatile ccsr_cpm_t *cpm = (ccsr_cpm_t *)CONFIG_SYS_MPC85xx_CPM_ADDR; - - /* write GFMR: disable tx/rx */ - if(info->ether_index == 0) { - cpm->im_cpm_fcc1.gfmr &= ~(FCC_GFMR_ENT | FCC_GFMR_ENR); - } else if(info->ether_index == 1) { - cpm->im_cpm_fcc2.gfmr &= ~(FCC_GFMR_ENT | FCC_GFMR_ENR); - } else if(info->ether_index == 2) { - cpm->im_cpm_fcc3.gfmr &= ~(FCC_GFMR_ENT | FCC_GFMR_ENR); - } -} - -int fec_initialize(bd_t *bis) -{ - struct eth_device* dev; - int i; - - for (i = 0; i < sizeof(ether_fcc_info) / sizeof(ether_fcc_info[0]); i++) - { - dev = (struct eth_device*) malloc(sizeof *dev); - memset(dev, 0, sizeof *dev); - - sprintf(dev->name, "FCC%d", - ether_fcc_info[i].ether_index + 1); - dev->priv = ðer_fcc_info[i]; - dev->init = fec_init; - dev->halt = fec_halt; - dev->send = fec_send; - dev->recv = fec_recv; - - eth_register(dev); - -#if (defined(CONFIG_MII) || defined(CONFIG_CMD_MII)) \ - && defined(CONFIG_BITBANGMII) - miiphy_register(dev->name, - bb_miiphy_read, bb_miiphy_write); -#endif - } - - return 1; -} - -#endif |