[ixp1200] Addendum to Microcode problems...
Austen McDonald
austen at cc.gatech.edu
Tue Jun 19 12:12:01 EDT 2001
I forgot to mention: Im running linux and here is the code that
initializes the giga macs:
/* mac.c
* Change the CSRs inside the of one of the StrongARM's MACs
*
* Austen McDonald
* austen at cc.gatech.edu
* May 2001
*/
#include <asm/arch-ixp1200/hardware.h>
#include <asm/arch-ixp1200/ixp1200eb.h>
#include <stdio.h>
#include <string.h>
#define VERSION "v1.2.6"
void printHelp() {
printf("mac %s, initializes IXP MACs 0 (10/100) and 1 (gigabit)\n",VERSION);
printf("Austen McDonald <austen at cc.gatech.edu>, Georgia Tech\n\n");
printf("Usage: mac [--help] [--status] [--set mac port addr]\n");
printf(" (no args) intializes and resets both macs (clears hw addrs and counters)\n");
printf(" --status prints the RCV_RDY_LO and _HI registers, hardware addresses,\n");
printf(" and counters. No reset.\n");
printf(" --set sets hardware address for /mac/ /port/ to /addr/, where /addr/\n");
printf(" is a 12 character string of hex digits. No reset.\n");
}
void printStatus(volatile unsigned int* mac0, volatile unsigned int* mac1) {
int i,j;
unsigned char addr;
unsigned int x;
printf("RCV_RDY_LO: 0x%.8x\n",
*(volatile unsigned long*)(MICROENGINE_FBI_BASE+0x400C4));
printf("RCV_RDY_HI: 0x%.8x\n",
*(volatile unsigned long*)(MICROENGINE_FBI_BASE+0x400C8));
printf("RCV_RDY_CNT: 0x%.8x\n",
*(volatile unsigned long*)(MICROENGINE_FBI_BASE+0x400C0));
printf("XMIT_RDY_CTL: 0x%.8x\n",
*(volatile unsigned long*)(MICROENGINE_FBI_BASE+0x400FC));
printf("XMIT_PTR: 0x%.8x\n",
*(volatile unsigned long*)(MICROENGINE_FBI_BASE+0x400E0));
printf("MAC 0 (IXF440, 10/100Mbps) HW Addresses:\n");
for(i=0;i<8;i++) { /* eight ports */
printf(" port %i: ",i);
for(j=0;j<6;j++) {
addr = *(mac0+i*0x400+0x28+j);
printf("%.2x",addr);
if(j != 5)
printf(":");
}
i++;
printf(" port %i: ",i);
for(j=0;j<6;j++) {
addr = *(mac0+i*0x400+0x28+j);
printf("%.2x",addr);
if(j != 5)
printf(":");
}
printf("\n");
}
printf("MAC 1 (IXF1002, Gigabit) HW Addresses:\n");
printf(" port 0: ");
for(j=0;j<6;j++) {
addr = *(mac1+0x30+j);
printf("%.2x",addr);
if(j != 5)
printf(":");
}
printf(" port 1: ");
for(j=0;j<6;j++) {
addr = *(mac1+0x400+0x30+j);
printf("%.2x",addr);
if(j != 5)
printf(":");
}
printf("\n");
/* now for the net statistics */
printf("MAC 0 (IXF440, 10/100Mbps) Status:\n");
for(i=0;i<8;i++) { /* 8 ports */
printf(" port %i: ",i);
printf("RX Count: 0x");
x = *(mac0+i*0x400+0x200+0x90);
x |= *(mac0+i*0x400+0x200+0x90+1) << 8;
x |= *(mac0+i*0x400+0x200+0x90+2) << 16;
x |= *(mac0+i*0x400+0x200+0x90+3) << 24;
printf("%.8x",x);
printf(" TX Count: 0x");
x = *(mac0+i*0x400+0x200);
x |= *(mac0+i*0x400+0x200+1) << 8;
x |= *(mac0+i*0x400+0x200+2) << 16;
x |= *(mac0+i*0x400+0x200+3) << 24;
printf("%.8x",x);
printf("\n");
}
printf("MAC 1 (IXF1002, Gigabit) Status:\n");
for(i=0;i<2;i++) { /* 2 ports */
printf(" port %i: ",i);
printf("RX Count: 0x");
x = *(mac1+i*0x400+0x200+0x90);
x |= *(mac1+i*0x400+0x200+0x90+1) << 8;
x |= *(mac1+i*0x400+0x200+0x90+2) << 16;
x |= *(mac1+i*0x400+0x200+0x90+3) << 24;
printf("%.8x",x);
printf(" TX Count: 0x");
x = *(mac1+i*0x400+0x200);
x |= *(mac1+i*0x400+0x200+1) << 8;
x |= *(mac1+i*0x400+0x200+2) << 16;
x |= *(mac1+i*0x400+0x200+3) << 24;
printf("%.8x",x);
printf("\n GMII_STT: 0x%.2x%.2x GMII_EXT_STT: 0x%.2x%.2x GPCS_STT: 0x%.2x%.2x",
*(mac1+i*0x400+0x53),*(mac1+i*0x400+0x52),
*(mac1+i*0x400+0x6f),*(mac1+i*0x400+0x6e),
*(mac1+i*0x400+0x71),*(mac1+i*0x400+0x70));
printf("\n AN_PRT_ABL: 0x%.2x%.2x",
*(mac1+i*0x400+0x5b),*(mac1+i*0x400+0x5a));
printf("\n");
}
}
int main(int argc, char** argv) {
volatile unsigned int* mac0 = (volatile unsigned int*)(SRAM_SLOW_PORT_BASE);
volatile unsigned int* mac1 = (volatile unsigned int*)(SRAM_SLOW_PORT_BASE+0x8000);
int i,j;
int mac;
int port;
int hi;
short low;
char byte[] = "0x00";
if(argc == 2) {
if(!strcmp(argv[1],"--status"))
printStatus(mac0,mac1);
else
printHelp();
exit(0);
}
for(i=1;i<argc;) {
if(!strcmp(argv[i],"--set")) {
i++;
if(argc-i < 3) {
printf("Missing arguments to --set\n");
printHelp();
exit(-1);
}
mac = atoi(argv[i]);
if(mac != 0 && mac != 1) {
printf("Valid MAC numbers are 0 and 1\n");
printHelp();
exit(-1);
}
i++;
port = atoi(argv[i]);
if((mac == 0 && (port < 0 || port > 7)) ||
(mac == 1 && (port < 0 || port > 1))) {
printf("Invalid port number for selected MAC\n");
printHelp();
exit(-1);
}
i++;
if(strlen(argv[i]) != 12) {
printf("Invalid address\n");
printHelp();
exit(-1);
}
for(j=0;j<12;j+=2) {
strncpy(byte+2,&(argv[i][j]),2);
if(mac == 0)
*(mac0+0x400*port+0x28+j/2) = strtol(byte,NULL,16);
else
*(mac1+0x400*port+0x30+j/2) = strtol(byte,NULL,16);
}
i++;
} else {
printHelp();
exit(-1);
}
printStatus(mac0,mac1);
exit(0);
}
printf("Initializing MAC 0 (IXF440 10/100Mbps)...");
/* reset all registers in MAC 0 */
/* docs (iXF440 datasheet) outline the following process for init:
* 1. reset port: write 6 to PORT_CTR, then write 1 to PORT_CTR
* 2. init port's regs
* 3. write 18 to PORT_CTR
*/
for(i=0;i<8;i++) { /* eight ports */
/* 1. */
*(mac0+i*0x400+0x5) = 0x06; /* PORT_CTR */ /* control reset, port reset */
*(mac0+i*0x400+0x5) = 0x0;
*(mac0+i*0x400+0x5) = 0x01; /* reset counters */
/* wait 100cyc for counter reset */
for(j=0;j<100;j++)
j = j + j*0; /* fake the compiler out; otherwise, it will optimize */
/* out this loop. */
/* 2. */
/* IX Bus Config: FFO_BUS: big endian, 64bit bus */
*(mac0+i*0x400+0x12) = 0x03;
/* 3. */
*(mac0+i*0x400+0x5) = 0x20; /* PORT_CTR: transmit restart */
*(mac0+i*0x400+0x5) = 0x18; /* PORT_CTR: tx enable, rx enable */
}
printf("intialized\n");
printf("Initializing MAC 1 (IXF1002 Gigabit)...");
/* docs (IXF1002 datasheet) outline the following process for init:
* 1. reset port: write 7 to PORT_CTR, then write 0 to PORT_CTR
* 2. init port's regs
* 3. write 18 to PORT_CTR
*/
for(i=0;i<2;i++) { /* two ports */
/* 1. */
*(mac1+i*0x400+0x4) = 0x07; /* PORT_CTR */
*(mac1+i*0x400+0x4) = 0x00; /* PORT_CTR */
/* 2. */
/* PORT_MODE: GPCS mode on, 64bit bus, no packet status, big endian */
*(mac1+i*0x400+0x24) = 0x0b01;
/* TX_RX_PARAM: drop CRC */
// *(mac1+i*0x400+0x27) = 0x08; /* uh, should we do this? */
/* GMII Control Register: reset GPCS, GMII logic */
*(mac1+i*0x400+0x50) = 8000;
for(j=0;j<100;j++)
j = j + j*0; /* fake the compiler out; otherwise, it will optimize */
/* out this loop. */
/* GMII Control Register: autoneg, restart autoneg */
*(mac1+i*0x400+0x50) = 0x1340;
//*(mac1+i*0x400+0x50) = 0x0140;
/* 3. */
*(mac1+i*0x400+4) = 0x18; /* PORT_CTR */
}
printf("intialized\n");
return 0;
}
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