^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2) * Amiga Linux/68k 8390 based PCMCIA Ethernet Driver for the Amiga 1200
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4) * (C) Copyright 1997 Alain Malek
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5) * (Alain.Malek@cryogen.com)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7) * ----------------------------------------------------------------------------
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 8) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 9) * This program is based on
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) * ne.c: A general non-shared-memory NS8390 ethernet driver for linux
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) * Written 1992-94 by Donald Becker.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) * 8390.c: A general NS8390 ethernet driver core for linux.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) * Written 1992-94 by Donald Becker.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) * cnetdevice: A Sana-II ethernet driver for AmigaOS
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) * Written by Bruce Abbott (bhabbott@inhb.co.nz)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) * ----------------------------------------------------------------------------
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) * This file is subject to the terms and conditions of the GNU General Public
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) * License. See the file COPYING in the main directory of the Linux
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) * distribution for more details.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) * ----------------------------------------------------------------------------
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) #include <linux/module.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) #include <linux/kernel.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) #include <linux/errno.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) #include <linux/pci.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) #include <linux/init.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) #include <linux/delay.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) #include <linux/netdevice.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) #include <linux/etherdevice.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) #include <linux/interrupt.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) #include <linux/jiffies.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) #include <asm/io.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) #include <asm/setup.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) #include <asm/amigaints.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) #include <asm/amigahw.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) #include <asm/amigayle.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) #include <asm/amipcmcia.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) #include "8390.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) /* ---- No user-serviceable parts below ---- */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53) #define DRV_NAME "apne"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55) #define NE_BASE (dev->base_addr)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56) #define NE_CMD 0x00
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) #define NE_DATAPORT 0x10 /* NatSemi-defined port window offset. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58) #define NE_RESET 0x1f /* Issue a read to reset, a write to clear. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59) #define NE_IO_EXTENT 0x20
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61) #define NE_EN0_ISR 0x07
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62) #define NE_EN0_DCFG 0x0e
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64) #define NE_EN0_RSARLO 0x08
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65) #define NE_EN0_RSARHI 0x09
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66) #define NE_EN0_RCNTLO 0x0a
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 67) #define NE_EN0_RXCR 0x0c
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 68) #define NE_EN0_TXCR 0x0d
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 69) #define NE_EN0_RCNTHI 0x0b
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 70) #define NE_EN0_IMR 0x0f
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 71)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 72) #define NE1SM_START_PG 0x20 /* First page of TX buffer */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 73) #define NE1SM_STOP_PG 0x40 /* Last page +1 of RX ring */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 74) #define NESM_START_PG 0x40 /* First page of TX buffer */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 75) #define NESM_STOP_PG 0x80 /* Last page +1 of RX ring */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 76)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 77)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 78) struct net_device * __init apne_probe(int unit);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 79) static int apne_probe1(struct net_device *dev, int ioaddr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 80)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 81) static void apne_reset_8390(struct net_device *dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 82) static void apne_get_8390_hdr(struct net_device *dev, struct e8390_pkt_hdr *hdr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 83) int ring_page);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 84) static void apne_block_input(struct net_device *dev, int count,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 85) struct sk_buff *skb, int ring_offset);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 86) static void apne_block_output(struct net_device *dev, const int count,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 87) const unsigned char *buf, const int start_page);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 88) static irqreturn_t apne_interrupt(int irq, void *dev_id);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 89)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 90) static int init_pcmcia(void);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 91)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 92) /* IO base address used for nic */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 93)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 94) #define IOBASE 0x300
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 95)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 96) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 97) use MANUAL_CONFIG and MANUAL_OFFSET for enabling IO by hand
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 98) you can find the values to use by looking at the cnet.device
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 99) config file example (the default values are for the CNET40BC card)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103) #define MANUAL_CONFIG 0x20
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104) #define MANUAL_OFFSET 0x3f8
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106) #define MANUAL_HWADDR0 0x00
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107) #define MANUAL_HWADDR1 0x12
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108) #define MANUAL_HWADDR2 0x34
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109) #define MANUAL_HWADDR3 0x56
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110) #define MANUAL_HWADDR4 0x78
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111) #define MANUAL_HWADDR5 0x9a
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114) static const char version[] =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115) "apne.c:v1.1 7/10/98 Alain Malek (Alain.Malek@cryogen.ch)\n";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117) static int apne_owned; /* signal if card already owned */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 118)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 119) static u32 apne_msg_enable;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120) module_param_named(msg_enable, apne_msg_enable, uint, 0444);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121) MODULE_PARM_DESC(msg_enable, "Debug message level (see linux/netdevice.h for bitmap)");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123) struct net_device * __init apne_probe(int unit)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 125) struct net_device *dev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 126) struct ei_device *ei_local;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 127)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 128) #ifndef MANUAL_CONFIG
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 129) char tuple[8];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 130) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 131) int err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 132)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 133) if (!MACH_IS_AMIGA)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 134) return ERR_PTR(-ENODEV);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 135)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 136) if (apne_owned)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 137) return ERR_PTR(-ENODEV);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 138)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 139) if ( !(AMIGAHW_PRESENT(PCMCIA)) )
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 140) return ERR_PTR(-ENODEV);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 141)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 142) pr_info("Looking for PCMCIA ethernet card : ");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 143)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 144) /* check if a card is inserted */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 145) if (!(PCMCIA_INSERTED)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 146) pr_cont("NO PCMCIA card inserted\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 147) return ERR_PTR(-ENODEV);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 148) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 149)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 150) dev = alloc_ei_netdev();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 151) if (!dev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 152) return ERR_PTR(-ENOMEM);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 153) if (unit >= 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 154) sprintf(dev->name, "eth%d", unit);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 155) netdev_boot_setup_check(dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 156) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 157) ei_local = netdev_priv(dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 158) ei_local->msg_enable = apne_msg_enable;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 159)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 160) /* disable pcmcia irq for readtuple */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 161) pcmcia_disable_irq();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 162)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 163) #ifndef MANUAL_CONFIG
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 164) if ((pcmcia_copy_tuple(CISTPL_FUNCID, tuple, 8) < 3) ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 165) (tuple[2] != CISTPL_FUNCID_NETWORK)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 166) pr_cont("not an ethernet card\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 167) /* XXX: shouldn't we re-enable irq here? */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 168) free_netdev(dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 169) return ERR_PTR(-ENODEV);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 170) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 171) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 172)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 173) pr_cont("ethernet PCMCIA card inserted\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 174)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 175) if (!init_pcmcia()) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 176) /* XXX: shouldn't we re-enable irq here? */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 177) free_netdev(dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 178) return ERR_PTR(-ENODEV);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 179) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 180)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 181) if (!request_region(IOBASE, 0x20, DRV_NAME)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 182) free_netdev(dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 183) return ERR_PTR(-EBUSY);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 184) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 185)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 186) err = apne_probe1(dev, IOBASE);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 187) if (err) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 188) release_region(IOBASE, 0x20);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 189) free_netdev(dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 190) return ERR_PTR(err);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 191) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 192) err = register_netdev(dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 193) if (!err)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 194) return dev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 195)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 196) pcmcia_disable_irq();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 197) free_irq(IRQ_AMIGA_PORTS, dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 198) pcmcia_reset();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 199) release_region(IOBASE, 0x20);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 200) free_netdev(dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 201) return ERR_PTR(err);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 202) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 203)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 204) static int __init apne_probe1(struct net_device *dev, int ioaddr)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 205) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 206) int i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 207) unsigned char SA_prom[32];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 208) int wordlength = 2;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 209) const char *name = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 210) int start_page, stop_page;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 211) #ifndef MANUAL_HWADDR0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 212) int neX000, ctron;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 213) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 214) static unsigned version_printed;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 215)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 216) if ((apne_msg_enable & NETIF_MSG_DRV) && (version_printed++ == 0))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 217) netdev_info(dev, version);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 218)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 219) netdev_info(dev, "PCMCIA NE*000 ethercard probe");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 220)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 221) /* Reset card. Who knows what dain-bramaged state it was left in. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 222) { unsigned long reset_start_time = jiffies;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 223)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 224) outb(inb(ioaddr + NE_RESET), ioaddr + NE_RESET);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 225)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 226) while ((inb(ioaddr + NE_EN0_ISR) & ENISR_RESET) == 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 227) if (time_after(jiffies, reset_start_time + 2*HZ/100)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 228) pr_cont(" not found (no reset ack).\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 229) return -ENODEV;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 230) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 231)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 232) outb(0xff, ioaddr + NE_EN0_ISR); /* Ack all intr. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 233) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 234)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 235) #ifndef MANUAL_HWADDR0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 236)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 237) /* Read the 16 bytes of station address PROM.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 238) We must first initialize registers, similar to NS8390_init(eifdev, 0).
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 239) We can't reliably read the SAPROM address without this.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 240) (I learned the hard way!). */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 241) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 242) struct {unsigned long value, offset; } program_seq[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 243) {E8390_NODMA+E8390_PAGE0+E8390_STOP, NE_CMD}, /* Select page 0*/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 244) {0x48, NE_EN0_DCFG}, /* Set byte-wide (0x48) access. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 245) {0x00, NE_EN0_RCNTLO}, /* Clear the count regs. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 246) {0x00, NE_EN0_RCNTHI},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 247) {0x00, NE_EN0_IMR}, /* Mask completion irq. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 248) {0xFF, NE_EN0_ISR},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 249) {E8390_RXOFF, NE_EN0_RXCR}, /* 0x20 Set to monitor */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 250) {E8390_TXOFF, NE_EN0_TXCR}, /* 0x02 and loopback mode. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 251) {32, NE_EN0_RCNTLO},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 252) {0x00, NE_EN0_RCNTHI},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 253) {0x00, NE_EN0_RSARLO}, /* DMA starting at 0x0000. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 254) {0x00, NE_EN0_RSARHI},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 255) {E8390_RREAD+E8390_START, NE_CMD},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 256) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 257) for (i = 0; i < ARRAY_SIZE(program_seq); i++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 258) outb(program_seq[i].value, ioaddr + program_seq[i].offset);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 259) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 260)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 261) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 262) for(i = 0; i < 32 /*sizeof(SA_prom)*/; i+=2) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 263) SA_prom[i] = inb(ioaddr + NE_DATAPORT);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 264) SA_prom[i+1] = inb(ioaddr + NE_DATAPORT);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 265) if (SA_prom[i] != SA_prom[i+1])
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 266) wordlength = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 267) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 268)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 269) /* At this point, wordlength *only* tells us if the SA_prom is doubled
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 270) up or not because some broken PCI cards don't respect the byte-wide
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 271) request in program_seq above, and hence don't have doubled up values.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 272) These broken cards would otherwise be detected as an ne1000. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 273)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 274) if (wordlength == 2)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 275) for (i = 0; i < 16; i++)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 276) SA_prom[i] = SA_prom[i+i];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 277)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 278) if (wordlength == 2) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 279) /* We must set the 8390 for word mode. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 280) outb(0x49, ioaddr + NE_EN0_DCFG);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 281) start_page = NESM_START_PG;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 282) stop_page = NESM_STOP_PG;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 283) } else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 284) start_page = NE1SM_START_PG;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 285) stop_page = NE1SM_STOP_PG;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 286) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 287)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 288) neX000 = (SA_prom[14] == 0x57 && SA_prom[15] == 0x57);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 289) ctron = (SA_prom[0] == 0x00 && SA_prom[1] == 0x00 && SA_prom[2] == 0x1d);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 290)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 291) /* Set up the rest of the parameters. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 292) if (neX000) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 293) name = (wordlength == 2) ? "NE2000" : "NE1000";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 294) } else if (ctron) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 295) name = (wordlength == 2) ? "Ctron-8" : "Ctron-16";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 296) start_page = 0x01;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 297) stop_page = (wordlength == 2) ? 0x40 : 0x20;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 298) } else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 299) pr_cont(" not found.\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 300) return -ENXIO;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 301)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 302) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 303)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 304) #else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 305) wordlength = 2;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 306) /* We must set the 8390 for word mode. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 307) outb(0x49, ioaddr + NE_EN0_DCFG);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 308) start_page = NESM_START_PG;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 309) stop_page = NESM_STOP_PG;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 310)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 311) SA_prom[0] = MANUAL_HWADDR0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 312) SA_prom[1] = MANUAL_HWADDR1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 313) SA_prom[2] = MANUAL_HWADDR2;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 314) SA_prom[3] = MANUAL_HWADDR3;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 315) SA_prom[4] = MANUAL_HWADDR4;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 316) SA_prom[5] = MANUAL_HWADDR5;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 317) name = "NE2000";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 318) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 319)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 320) dev->base_addr = ioaddr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 321) dev->irq = IRQ_AMIGA_PORTS;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 322) dev->netdev_ops = &ei_netdev_ops;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 323)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 324) /* Install the Interrupt handler */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 325) i = request_irq(dev->irq, apne_interrupt, IRQF_SHARED, DRV_NAME, dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 326) if (i) return i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 327)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 328) for (i = 0; i < ETH_ALEN; i++)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 329) dev->dev_addr[i] = SA_prom[i];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 330)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 331) pr_cont(" %pM\n", dev->dev_addr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 332)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 333) netdev_info(dev, "%s found.\n", name);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 334)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 335) ei_status.name = name;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 336) ei_status.tx_start_page = start_page;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 337) ei_status.stop_page = stop_page;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 338) ei_status.word16 = (wordlength == 2);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 339)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 340) ei_status.rx_start_page = start_page + TX_PAGES;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 341)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 342) ei_status.reset_8390 = &apne_reset_8390;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 343) ei_status.block_input = &apne_block_input;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 344) ei_status.block_output = &apne_block_output;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 345) ei_status.get_8390_hdr = &apne_get_8390_hdr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 346)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 347) NS8390_init(dev, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 348)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 349) pcmcia_ack_int(pcmcia_get_intreq()); /* ack PCMCIA int req */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 350) pcmcia_enable_irq();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 351)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 352) apne_owned = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 353)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 354) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 355) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 356)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 357) /* Hard reset the card. This used to pause for the same period that a
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 358) 8390 reset command required, but that shouldn't be necessary. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 359) static void
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 360) apne_reset_8390(struct net_device *dev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 361) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 362) unsigned long reset_start_time = jiffies;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 363) struct ei_device *ei_local = netdev_priv(dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 364)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 365) init_pcmcia();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 366)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 367) netif_dbg(ei_local, hw, dev, "resetting the 8390 t=%ld...\n", jiffies);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 368)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 369) outb(inb(NE_BASE + NE_RESET), NE_BASE + NE_RESET);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 370)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 371) ei_status.txing = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 372) ei_status.dmaing = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 373)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 374) /* This check _should_not_ be necessary, omit eventually. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 375) while ((inb(NE_BASE+NE_EN0_ISR) & ENISR_RESET) == 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 376) if (time_after(jiffies, reset_start_time + 2*HZ/100)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 377) netdev_err(dev, "ne_reset_8390() did not complete.\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 378) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 379) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 380) outb(ENISR_RESET, NE_BASE + NE_EN0_ISR); /* Ack intr. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 381) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 382)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 383) /* Grab the 8390 specific header. Similar to the block_input routine, but
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 384) we don't need to be concerned with ring wrap as the header will be at
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 385) the start of a page, so we optimize accordingly. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 386)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 387) static void
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 388) apne_get_8390_hdr(struct net_device *dev, struct e8390_pkt_hdr *hdr, int ring_page)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 389) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 390)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 391) int nic_base = dev->base_addr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 392) int cnt;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 393) char *ptrc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 394) short *ptrs;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 395)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 396) /* This *shouldn't* happen. If it does, it's the last thing you'll see */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 397) if (ei_status.dmaing) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 398) netdev_err(dev, "DMAing conflict in ne_get_8390_hdr "
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 399) "[DMAstat:%d][irqlock:%d][intr:%d].\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 400) ei_status.dmaing, ei_status.irqlock, dev->irq);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 401) return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 402) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 403)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 404) ei_status.dmaing |= 0x01;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 405) outb(E8390_NODMA+E8390_PAGE0+E8390_START, nic_base+ NE_CMD);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 406) outb(ENISR_RDC, nic_base + NE_EN0_ISR);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 407) outb(sizeof(struct e8390_pkt_hdr), nic_base + NE_EN0_RCNTLO);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 408) outb(0, nic_base + NE_EN0_RCNTHI);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 409) outb(0, nic_base + NE_EN0_RSARLO); /* On page boundary */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 410) outb(ring_page, nic_base + NE_EN0_RSARHI);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 411) outb(E8390_RREAD+E8390_START, nic_base + NE_CMD);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 412)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 413) if (ei_status.word16) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 414) ptrs = (short*)hdr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 415) for(cnt = 0; cnt < (sizeof(struct e8390_pkt_hdr)>>1); cnt++)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 416) *ptrs++ = inw(NE_BASE + NE_DATAPORT);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 417) } else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 418) ptrc = (char*)hdr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 419) for(cnt = 0; cnt < sizeof(struct e8390_pkt_hdr); cnt++)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 420) *ptrc++ = inb(NE_BASE + NE_DATAPORT);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 421) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 422)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 423) outb(ENISR_RDC, nic_base + NE_EN0_ISR); /* Ack intr. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 424) ei_status.dmaing &= ~0x01;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 425)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 426) le16_to_cpus(&hdr->count);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 427) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 428)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 429) /* Block input and output, similar to the Crynwr packet driver. If you
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 430) are porting to a new ethercard, look at the packet driver source for hints.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 431) The NEx000 doesn't share the on-board packet memory -- you have to put
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 432) the packet out through the "remote DMA" dataport using outb. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 433)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 434) static void
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 435) apne_block_input(struct net_device *dev, int count, struct sk_buff *skb, int ring_offset)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 436) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 437) int nic_base = dev->base_addr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 438) char *buf = skb->data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 439) char *ptrc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 440) short *ptrs;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 441) int cnt;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 442)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 443) /* This *shouldn't* happen. If it does, it's the last thing you'll see */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 444) if (ei_status.dmaing) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 445) netdev_err(dev, "DMAing conflict in ne_block_input "
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 446) "[DMAstat:%d][irqlock:%d][intr:%d].\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 447) ei_status.dmaing, ei_status.irqlock, dev->irq);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 448) return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 449) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 450) ei_status.dmaing |= 0x01;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 451) outb(E8390_NODMA+E8390_PAGE0+E8390_START, nic_base+ NE_CMD);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 452) outb(ENISR_RDC, nic_base + NE_EN0_ISR);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 453) outb(count & 0xff, nic_base + NE_EN0_RCNTLO);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 454) outb(count >> 8, nic_base + NE_EN0_RCNTHI);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 455) outb(ring_offset & 0xff, nic_base + NE_EN0_RSARLO);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 456) outb(ring_offset >> 8, nic_base + NE_EN0_RSARHI);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 457) outb(E8390_RREAD+E8390_START, nic_base + NE_CMD);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 458) if (ei_status.word16) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 459) ptrs = (short*)buf;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 460) for (cnt = 0; cnt < (count>>1); cnt++)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 461) *ptrs++ = inw(NE_BASE + NE_DATAPORT);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 462) if (count & 0x01) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 463) buf[count-1] = inb(NE_BASE + NE_DATAPORT);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 464) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 465) } else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 466) ptrc = buf;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 467) for (cnt = 0; cnt < count; cnt++)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 468) *ptrc++ = inb(NE_BASE + NE_DATAPORT);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 469) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 470)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 471) outb(ENISR_RDC, nic_base + NE_EN0_ISR); /* Ack intr. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 472) ei_status.dmaing &= ~0x01;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 473) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 474)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 475) static void
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 476) apne_block_output(struct net_device *dev, int count,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 477) const unsigned char *buf, const int start_page)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 478) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 479) int nic_base = NE_BASE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 480) unsigned long dma_start;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 481) char *ptrc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 482) short *ptrs;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 483) int cnt;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 484)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 485) /* Round the count up for word writes. Do we need to do this?
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 486) What effect will an odd byte count have on the 8390?
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 487) I should check someday. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 488) if (ei_status.word16 && (count & 0x01))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 489) count++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 490)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 491) /* This *shouldn't* happen. If it does, it's the last thing you'll see */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 492) if (ei_status.dmaing) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 493) netdev_err(dev, "DMAing conflict in ne_block_output."
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 494) "[DMAstat:%d][irqlock:%d][intr:%d]\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 495) ei_status.dmaing, ei_status.irqlock, dev->irq);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 496) return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 497) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 498) ei_status.dmaing |= 0x01;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 499) /* We should already be in page 0, but to be safe... */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 500) outb(E8390_PAGE0+E8390_START+E8390_NODMA, nic_base + NE_CMD);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 501)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 502) outb(ENISR_RDC, nic_base + NE_EN0_ISR);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 503)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 504) /* Now the normal output. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 505) outb(count & 0xff, nic_base + NE_EN0_RCNTLO);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 506) outb(count >> 8, nic_base + NE_EN0_RCNTHI);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 507) outb(0x00, nic_base + NE_EN0_RSARLO);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 508) outb(start_page, nic_base + NE_EN0_RSARHI);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 509)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 510) outb(E8390_RWRITE+E8390_START, nic_base + NE_CMD);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 511) if (ei_status.word16) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 512) ptrs = (short*)buf;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 513) for (cnt = 0; cnt < count>>1; cnt++)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 514) outw(*ptrs++, NE_BASE+NE_DATAPORT);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 515) } else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 516) ptrc = (char*)buf;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 517) for (cnt = 0; cnt < count; cnt++)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 518) outb(*ptrc++, NE_BASE + NE_DATAPORT);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 519) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 520)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 521) dma_start = jiffies;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 522)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 523) while ((inb(NE_BASE + NE_EN0_ISR) & ENISR_RDC) == 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 524) if (time_after(jiffies, dma_start + 2*HZ/100)) { /* 20ms */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 525) netdev_warn(dev, "timeout waiting for Tx RDC.\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 526) apne_reset_8390(dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 527) NS8390_init(dev,1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 528) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 529) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 530)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 531) outb(ENISR_RDC, nic_base + NE_EN0_ISR); /* Ack intr. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 532) ei_status.dmaing &= ~0x01;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 533) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 534)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 535) static irqreturn_t apne_interrupt(int irq, void *dev_id)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 536) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 537) unsigned char pcmcia_intreq;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 538)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 539) if (!(gayle.inten & GAYLE_IRQ_IRQ))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 540) return IRQ_NONE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 541)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 542) pcmcia_intreq = pcmcia_get_intreq();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 543)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 544) if (!(pcmcia_intreq & GAYLE_IRQ_IRQ)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 545) pcmcia_ack_int(pcmcia_intreq);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 546) return IRQ_NONE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 547) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 548) if (apne_msg_enable & NETIF_MSG_INTR)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 549) pr_debug("pcmcia intreq = %x\n", pcmcia_intreq);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 550) pcmcia_disable_irq(); /* to get rid of the sti() within ei_interrupt */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 551) ei_interrupt(irq, dev_id);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 552) pcmcia_ack_int(pcmcia_get_intreq());
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 553) pcmcia_enable_irq();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 554) return IRQ_HANDLED;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 555) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 556)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 557) #ifdef MODULE
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 558) static struct net_device *apne_dev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 559)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 560) static int __init apne_module_init(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 561) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 562) apne_dev = apne_probe(-1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 563) return PTR_ERR_OR_ZERO(apne_dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 564) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 565)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 566) static void __exit apne_module_exit(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 567) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 568) unregister_netdev(apne_dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 569)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 570) pcmcia_disable_irq();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 571)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 572) free_irq(IRQ_AMIGA_PORTS, apne_dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 573)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 574) pcmcia_reset();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 575)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 576) release_region(IOBASE, 0x20);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 577)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 578) free_netdev(apne_dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 579) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 580) module_init(apne_module_init);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 581) module_exit(apne_module_exit);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 582) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 583)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 584) static int init_pcmcia(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 585) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 586) u_char config;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 587) #ifndef MANUAL_CONFIG
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 588) u_char tuple[32];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 589) int offset_len;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 590) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 591) u_long offset;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 592)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 593) pcmcia_reset();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 594) pcmcia_program_voltage(PCMCIA_0V);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 595) pcmcia_access_speed(PCMCIA_SPEED_250NS);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 596) pcmcia_write_enable();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 597)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 598) #ifdef MANUAL_CONFIG
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 599) config = MANUAL_CONFIG;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 600) #else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 601) /* get and write config byte to enable IO port */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 602)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 603) if (pcmcia_copy_tuple(CISTPL_CFTABLE_ENTRY, tuple, 32) < 3)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 604) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 605)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 606) config = tuple[2] & 0x3f;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 607) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 608) #ifdef MANUAL_OFFSET
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 609) offset = MANUAL_OFFSET;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 610) #else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 611) if (pcmcia_copy_tuple(CISTPL_CONFIG, tuple, 32) < 6)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 612) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 613)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 614) offset_len = (tuple[2] & 0x3) + 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 615) offset = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 616) while(offset_len--) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 617) offset = (offset << 8) | tuple[4+offset_len];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 618) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 619) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 620)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 621) out_8(GAYLE_ATTRIBUTE+offset, config);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 622)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 623) return 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 624) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 625)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 626) MODULE_LICENSE("GPL");
Orange Pi5 kernel
Deprecated Linux kernel 5.10.110 for OrangePi 5/5B/5+ boards
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