updated to etherboot-4.6.0.
This commit is contained in:
okuji
parent
ce7c6fd0a9
commit
310b41da89
2 changed files with 108 additions and 118 deletions
|
|
@ -1,3 +1,7 @@
|
|||
2000-04-26 OKUJI Yoshinori <okuji@gnu.org>
|
||||
|
||||
* netboot/depca.c: Copied from Etherboot-4.6.0.
|
||||
|
||||
2000-04-23 OKUJI Yoshinori <okuji@gnu.org>
|
||||
|
||||
More security-related features.
|
||||
|
|
|
|||
222
netboot/depca.c
222
netboot/depca.c
|
|
@ -1,3 +1,4 @@
|
|||
/* Etherboot: depca.h merged, comments from Linux driver retained */
|
||||
/* depca.c: A DIGITAL DEPCA & EtherWORKS ethernet driver for linux.
|
||||
|
||||
Written 1994, 1995 by David C. Davies.
|
||||
|
|
@ -407,7 +408,6 @@ static int depca_debug = 1;
|
|||
** Ethernet PROM defines
|
||||
*/
|
||||
#define PROBE_LENGTH 32
|
||||
#define ETH_PROM_SIG 0xAA5500FFUL
|
||||
|
||||
/*
|
||||
** Set the number of Tx and Rx buffers. Ensure that the memory requested
|
||||
|
|
@ -424,44 +424,35 @@ static int depca_debug = 1;
|
|||
#define CRC_POLYNOMIAL_BE 0x04c11db7UL /* Ethernet CRC, big endian */
|
||||
#define CRC_POLYNOMIAL_LE 0xedb88320UL /* Ethernet CRC, little endian */
|
||||
|
||||
/*
|
||||
** EISA bus defines
|
||||
*/
|
||||
#define DEPCA_EISA_IO_PORTS 0x0c00 /* I/O port base address, slot 0 */
|
||||
#define MAX_EISA_SLOTS 16
|
||||
#define EISA_SLOT_INC 0x1000
|
||||
|
||||
/*
|
||||
** ISA Bus defines
|
||||
*/
|
||||
#define DEPCA_RAM_BASE_ADDRESSES {0xc0000,0xd0000,0xe0000,0x00000}
|
||||
#define DEPCA_IO_PORTS {0x300, 0x200, 0}
|
||||
#define DEPCA_TOTAL_SIZE 0x10
|
||||
static short mem_chkd = 0;
|
||||
#define DEPCA_IO_PORTS {0x300, 0x200, 0}
|
||||
|
||||
/*
|
||||
** Adapter ID for the MCA EtherWORKS DE210/212 adapter
|
||||
*/
|
||||
#define DE212_ID 0x6def
|
||||
#ifndef DEPCA_MODEL
|
||||
#define DEPCA_MODEL DEPCA
|
||||
#endif
|
||||
|
||||
static enum {
|
||||
DEPCA, DE100, DE101, DE200, DE201, DE202, DE210, DE212, DE422, unknown
|
||||
} adapter = DEPCA_MODEL;
|
||||
|
||||
/*
|
||||
** Name <-> Adapter mapping
|
||||
*/
|
||||
#define DEPCA_SIGNATURE {"DEPCA",\
|
||||
"DE100","DE101",\
|
||||
"DE200","DE201","DE202",\
|
||||
"DE210","DE212",\
|
||||
"DE422",\
|
||||
""}
|
||||
static enum {
|
||||
DEPCA, de100, de101, de200, de201, de202, de210, de212, de422, unknown
|
||||
} adapter;
|
||||
|
||||
/*
|
||||
** Miscellaneous info...
|
||||
*/
|
||||
#define DEPCA_STRLEN 16
|
||||
#define MAX_NUM_DEPCAS 2
|
||||
static char *adapter_name[] = {
|
||||
"DEPCA",
|
||||
"DE100","DE101",
|
||||
"DE200","DE201","DE202",
|
||||
"DE210","DE212",
|
||||
"DE422",
|
||||
""
|
||||
};
|
||||
|
||||
#ifndef DEPCA_RAM_BASE
|
||||
#define DEPCA_RAM_BASE 0xd0000
|
||||
#endif
|
||||
|
||||
/*
|
||||
** Memory Alignment. Each descriptor is 4 longwords long. To force a
|
||||
|
|
@ -469,17 +460,16 @@ static enum {
|
|||
** DESC_ALIGN. ALIGN aligns the start address of the private memory area
|
||||
** and hence the RX descriptor ring's first entry.
|
||||
*/
|
||||
#define ALIGN4 ((u_long)4 - 1) /* 1 longword align */
|
||||
#define ALIGN8 ((u_long)8 - 1) /* 2 longword (quadword) align */
|
||||
#define ALIGN4 ((u32)4 - 1) /* 1 longword align */
|
||||
#define ALIGN8 ((u32)8 - 1) /* 2 longword (quadword) align */
|
||||
#define ALIGN ALIGN8 /* Keep the LANCE happy... */
|
||||
|
||||
typedef long s32;
|
||||
typedef unsigned long u32;
|
||||
typedef unsigned long u_long;
|
||||
typedef short s16;
|
||||
typedef unsigned short u16;
|
||||
typedef unsigned char u8;
|
||||
typedef char s8;
|
||||
typedef unsigned char u8;
|
||||
|
||||
/*
|
||||
** The DEPCA Rx and Tx ring descriptors.
|
||||
|
|
@ -510,38 +500,6 @@ struct depca_init {
|
|||
u32 tx_ring; /* Tx ring base pointer & ring length */
|
||||
};
|
||||
|
||||
#define DEPCA_PKT_STAT_SZ 16
|
||||
#define DEPCA_PKT_BIN_SZ 128 /* Should be >=100 unless you
|
||||
increase DEPCA_PKT_STAT_SZ */
|
||||
struct depca_private {
|
||||
char devname[DEPCA_STRLEN]; /* Device Product String */
|
||||
char adapter_name[DEPCA_STRLEN];/* /proc/ioports string */
|
||||
char adapter; /* Adapter type */
|
||||
char mca_slot; /* MCA slot, if MCA else -1 */ struct depca_rx_desc *rx_ring; /* Pointer to start of RX descriptor ring */
|
||||
struct depca_tx_desc *tx_ring; /* Pointer to start of TX descriptor ring */
|
||||
struct depca_init init_block;/* Shadow Initialization block */
|
||||
char *rx_memcpy[NUM_RX_DESC]; /* CPU virt address of sh'd memory buffs */
|
||||
char *tx_memcpy[NUM_TX_DESC]; /* CPU virt address of sh'd memory buffs */
|
||||
u_long bus_offset; /* (E)ISA bus address offset vs LANCE */
|
||||
u_long sh_mem; /* Physical start addr of shared mem area */
|
||||
u_long dma_buffs; /* LANCE Rx and Tx buffers start address. */
|
||||
int rx_new, tx_new; /* The next free ring entry */
|
||||
int rx_old, tx_old; /* The ring entries to be free()ed. */
|
||||
struct { /* Private stats counters */
|
||||
u32 bins[DEPCA_PKT_STAT_SZ];
|
||||
u32 unicast;
|
||||
u32 multicast;
|
||||
u32 broadcast;
|
||||
u32 excessive_collisions;
|
||||
u32 tx_underruns;
|
||||
u32 excessive_underruns;
|
||||
} pktStats;
|
||||
int txRingMask; /* TX ring mask */
|
||||
int rxRingMask; /* RX ring mask */
|
||||
s32 rx_rlen; /* log2(rxRingMask+1) for the descriptors */
|
||||
s32 tx_rlen; /* log2(txRingMask+1) for the descriptors */
|
||||
};
|
||||
|
||||
/*
|
||||
** The transmit ring full condition is described by the tx_old and tx_new
|
||||
** pointers by:
|
||||
|
|
@ -553,13 +511,7 @@ struct depca_private {
|
|||
lp->tx_old+lp->txRingMask-lp->tx_new:\
|
||||
lp->tx_old -lp->tx_new-1)
|
||||
|
||||
static char name[DEPCA_STRLEN];
|
||||
static int num_depcas = 0, num_eth = 0;
|
||||
static int mem=0; /* For loadable module assignment
|
||||
use insmod mem=0x????? .... */
|
||||
static char *adapter_name = '\0'; /* If no PROM when loadable module
|
||||
use insmod adapter_name=DE??? ...
|
||||
*/
|
||||
static Address mem_start = DEPCA_RAM_BASE;
|
||||
static unsigned short ioaddr = 0;
|
||||
|
||||
/*
|
||||
|
|
@ -576,26 +528,16 @@ RESET - Reset adapter
|
|||
***************************************************************************/
|
||||
static void depca_reset(struct nic *nic)
|
||||
{
|
||||
#if 0
|
||||
int i, j, offset, netRAM, mem_len, status = 0;
|
||||
s16 nicsr;
|
||||
Address mem_start = 0, mem_base[] = DEPCA_RAM_BASE_ADDRESSES;
|
||||
s16 nicsr;
|
||||
int status = 0;
|
||||
|
||||
/* put the card in its initial state */
|
||||
STOP_DEPCA;
|
||||
nicsr = inb(DEPCA_NICSR);
|
||||
nicsr = ((nicsr & ~SHE & ~RBE & ~IEN( | IM);
|
||||
outb(nicsr, DEPCA_NICSR);
|
||||
if (inw(DEPCA_DATA) == STOP) {
|
||||
do {
|
||||
strcpu(name, (adapter_name ? adapter_name : ""));
|
||||
mem_start = (mem ? mem & 0xf0000 : mem_base[mem_chkd++]);
|
||||
DepcaSignature(name, mem_start);
|
||||
} while (!mem && mem_base[mem_chkd] && (adapter == unknown));
|
||||
if ((adapter != unknown) && mem_start) {
|
||||
;
|
||||
}
|
||||
#endif
|
||||
|
||||
/* non-DEPCA need this */
|
||||
if (adapter != DEPCA)
|
||||
outb(nicsr | SHE, DEPCA_NICSR);
|
||||
|
||||
}
|
||||
|
||||
/**************************************************************************
|
||||
|
|
@ -629,20 +571,30 @@ static void depca_disable(struct nic *nic)
|
|||
{
|
||||
}
|
||||
|
||||
/* Return 1 if device present at ioaddr */
|
||||
static int DevicePresent(void)
|
||||
/*
|
||||
** Look for a special sequence in the Ethernet station address PROM that
|
||||
** is common across all DEPCA products. Note that the original DEPCA needs
|
||||
** its ROM address counter to be initialized and enabled. Only enable
|
||||
** if the first address octet is a 0x08 - this minimises the chances of
|
||||
** messing around with some other hardware, but it assumes that this DEPCA
|
||||
** card initialized itself correctly.
|
||||
**
|
||||
** Search the Ethernet address ROM for the signature. Since the ROM address
|
||||
** counter can start at an arbitrary point, the search must include the entire
|
||||
** probe sequence length plus the (length_of_the_signature - 1).
|
||||
** Stop the search IMMEDIATELY after the signature is found so that the
|
||||
** PROM address counter is correctly positioned at the start of the
|
||||
** ethernet address for later read out.
|
||||
*/
|
||||
static int depca_probe1(struct nic *nic)
|
||||
{
|
||||
union {
|
||||
struct {
|
||||
u32 a;
|
||||
u32 b;
|
||||
} llsig;
|
||||
char Sig[sizeof(u32) << 1];
|
||||
} dev;
|
||||
short siglength = 0;
|
||||
s8 data;
|
||||
s16 nicsr;
|
||||
u8 data, nicsr;
|
||||
/* This is only correct for little endian machines, but then
|
||||
Etherboot doesn't work on anything but a PC */
|
||||
u8 sig[] = { 0xFF, 0x00, 0x55, 0xAA, 0xFF, 0x00, 0x55, 0xAA };
|
||||
int i, j;
|
||||
long sum, chksum;
|
||||
Address mem_len, offset;
|
||||
|
||||
data = inb(DEPCA_PROM); /* clear counter on DEPCA */
|
||||
data = inb(DEPCA_PROM); /* read data */
|
||||
|
|
@ -651,22 +603,57 @@ static int DevicePresent(void)
|
|||
nicsr |= AAC;
|
||||
outb(nicsr, DEPCA_NICSR);
|
||||
}
|
||||
dev.llsig.a = ETH_PROM_SIG;
|
||||
dev.llsig.b = ETH_PROM_SIG;
|
||||
siglength = sizeof(u32) << 1;
|
||||
for (i = 0, j = 0; j < siglength && i < PROBE_LENGTH+siglength-1; ++i) {
|
||||
for (i = 0, j = 0; j < (int)sizeof(sig) && i < PROBE_LENGTH+((int)sizeof(sig))-1; ++i) {
|
||||
data = inb(DEPCA_PROM);
|
||||
if (dev.Sig[j] == data) { /* track signature */
|
||||
if (data == sig[j]) /* track signature */
|
||||
++j;
|
||||
} else {
|
||||
if (data == dev.Sig[0]) { /* rare case... */
|
||||
j = 1;
|
||||
} else {
|
||||
j = 0;
|
||||
}
|
||||
}
|
||||
else
|
||||
j = (data == sig[0]) ? 1 : 0;
|
||||
}
|
||||
return (j == siglength);
|
||||
if (j != sizeof(sig))
|
||||
return (0);
|
||||
/* put the card in its initial state */
|
||||
STOP_DEPCA;
|
||||
nicsr = ((inb(DEPCA_NICSR) & ~SHE & ~RBE & ~IEN) | IM);
|
||||
outb(nicsr, DEPCA_NICSR);
|
||||
if (inw(DEPCA_DATA) != STOP)
|
||||
return (0);
|
||||
memcpy((char *)mem_start, sig, sizeof(sig));
|
||||
if (memcmp((char *)mem_start, sig, sizeof(sig)) != 0)
|
||||
return (0);
|
||||
for (i = 0, j = 0, sum = 0; j < 3; j++) {
|
||||
sum <<= 1;
|
||||
if (sum > 0xFFFF)
|
||||
sum -= 0xFFFF;
|
||||
sum += (u8)(nic->node_addr[i++] = inb(DEPCA_PROM));
|
||||
sum += (u16)((nic->node_addr[i++] = inb(DEPCA_PROM)) << 8);
|
||||
if (sum > 0xFFFF)
|
||||
sum -= 0xFFFF;
|
||||
}
|
||||
if (sum == 0xFFFF)
|
||||
sum = 0;
|
||||
chksum = (u8)inb(DEPCA_PROM);
|
||||
chksum |= (u16)(inb(DEPCA_PROM) << 8);
|
||||
mem_len = (adapter == DEPCA) ? (48 << 10) : (64 << 10);
|
||||
offset = 0;
|
||||
if (nicsr & BUF) {
|
||||
offset = 0x8000;
|
||||
nicsr &= ~BS;
|
||||
mem_len -= (32 << 10);
|
||||
}
|
||||
if (adapter != DEPCA)
|
||||
outb(nicsr |= SHE, DEPCA_NICSR);
|
||||
printf("%s base 0x%x, memory [0x%X-0x%X], addr ", adapter_name[adapter],
|
||||
ioaddr, mem_start, mem_start + mem_len);
|
||||
for (i = 0; i < ETHER_ADDR_SIZE; i++) {
|
||||
if (i != 0)
|
||||
putchar(':');
|
||||
printf("%b", nic->node_addr[i]);
|
||||
}
|
||||
if (sum != chksum)
|
||||
printf(" (bad checksum)");
|
||||
printf("\n");
|
||||
return (1);
|
||||
}
|
||||
|
||||
/**************************************************************************
|
||||
|
|
@ -674,16 +661,15 @@ PROBE - Look for an adapter, this routine's visible to the outside
|
|||
***************************************************************************/
|
||||
struct nic *depca_probe(struct nic *nic, unsigned short *probe_addrs)
|
||||
{
|
||||
static unsigned short base[] = { 0x200, 0x300, 0 };
|
||||
static unsigned short base[] = DEPCA_IO_PORTS;
|
||||
int i;
|
||||
|
||||
printf("DEPCA driver not fully functional, only probe working...\n");
|
||||
if (probe_addrs == 0 || probe_addrs[0] == 0)
|
||||
probe_addrs = base; /* Use defaults */
|
||||
for (i = 0; (ioaddr = base[i]) != 0; ++i) {
|
||||
if (DevicePresent()) {
|
||||
if (depca_probe1(nic))
|
||||
break;
|
||||
}
|
||||
}
|
||||
if (ioaddr != 0) {
|
||||
depca_reset(nic);
|
||||
|
|
|
|||
Loading…
Add table
Add a link
Reference in a new issue