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White Rabbit Switch - Software
Commit 4244c894 authored by Tjeerd Pinkert's avatar Tjeerd Pinkert Committed by Adam Wujek
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userspace/tools: added a program to control the TX on a WRS port 

- wrs_port_tx_control added.
This program controls the TX laser of an SFP by means of the hardware TX
enable line of the SFP. This line is switched via the FPGA.
Signed-off-by: Tjeerd Pinkert's avatarTjeerd Pinkert <t.j.pinkert@alumnus.utwente.nl>
parent 3ea41f7d
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userspace/tools/.gitignore
View file @ 4244c894
......@@ -24,3 +24,4 @@ mkpasswd
wrs_status_led
wrs_sfp_dump
wrs_pps_control
wrs_port_tx_control
userspace/tools/Makefile
View file @ 4244c894
TOOLS = rtu_stat wr_mon wr_phytool wrs_pps_control spll_dbg_proxy load-lm32 load-virtex com
TOOLS = rtu_stat
TOOLS += wr_mon wr_phytool wrs_pps_control wrs_port_tx_control
TOOLS += spll_dbg_proxy load-lm32 load-virtex com
TOOLS += mapper wmapper
TOOLS += wrs_version wr_date lm32-vuart wrs_pstats
TOOLS += wrs_vlans wrs_dump_shmem
......
userspace/tools/wrs_port_tx_control.c 0 → 100644
View file @ 4244c894
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <getopt.h>
#include <libwr/wrs-msg.h>
#include <regs/endpoint-regs.h>
#include <fpga_io.h>
#include <libwr/switch_hw.h>
static struct EP_WB _ep_wb;
#define EP_REG(regname) ((uint32_t)((void *)&_ep_wb.regname - (void *)&_ep_wb))
#define IDX_TO_EP(x) (0x30000 + ((x) * 0x400))
#define TX_ON_MASK (1<<11)
void help(char *prgname)
{
fprintf(stderr, "%s: Use: \"%s [<options>] <port_nr> <cmd>\n",
prgname, prgname);
fprintf(stderr,
" The program has the following options\n"
" -h print help\n"
"\n"
" Port numbers:\n"
" <port_nr> = 0 to 17 (on 18 port switch)\n"
"\n"
" Commands <cmd> are:\n"
" on - switch TX laser on.\n"
" off - switch TX laser off.\n");
exit(1);
}
uint32_t pcs_read(int ep, uint32_t reg)
{
_fpga_writel(IDX_TO_EP(ep) + EP_REG(MDIO_CR), EP_MDIO_CR_ADDR_W(reg));
while (!(_fpga_readl(IDX_TO_EP(ep) + EP_REG(MDIO_ASR)) &
EP_MDIO_ASR_READY))
;
return EP_MDIO_CR_DATA_R(_fpga_readl(IDX_TO_EP(ep) + EP_REG(MDIO_ASR)));
}
void pcs_write(int ep, uint32_t reg, uint32_t val)
{
_fpga_writel(IDX_TO_EP(ep) + EP_REG(MDIO_CR), EP_MDIO_CR_ADDR_W(reg)
| EP_MDIO_CR_DATA_W(val) | EP_MDIO_CR_RW);
while (!(_fpga_readl(IDX_TO_EP(ep) + EP_REG(MDIO_ASR)) &
EP_MDIO_ASR_READY))
;
}
int main(int argc, char *argv[])
{
int opt;
int port_number;
uint32_t reg;
uint32_t value;
while ((opt = getopt(argc, argv, "h")) != -1) {
switch (opt) {
case 'h':
default:
help(argv[0]);
}
}
assert_init(shw_fpga_mmap_init());
/* we need two arguments */
if (argc > 2) {
port_number = atoi(argv[1]);
if (port_number < 0 || port_number > 17) {
printf("Port number out of range\n");
exit(1);
}
if (strcmp(argv[2], "on") == 0) {
value = pcs_read(port_number, reg);
pcs_write(port_number, reg, value&~TX_ON_MASK);
exit(0);
} else if (strcmp(argv[2], "off") == 0) {
value = pcs_read(port_number, reg);
pcs_write(port_number, reg, value|TX_ON_MASK);
exit(0);
} else {
printf("Unknown command\n;");
exit(1);
}
} else {
printf("Need port and command\n");
exit(1);
}
}
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