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Adding support for 2.5Gbit Ethernet modules

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logicog
2025-06-14 09:52:15 +02:00
parent 37ca55392a
commit 9a69fac07a
2 changed files with 28 additions and 6 deletions
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rtl837x_regs.h
+1
View File
@@ -24,6 +24,7 @@
#define SDS_SGMII 0x02
#define SDS_1000BX_FIBER 0x04
#define SDS_HISGMII 0x12
#define SDS_HSG 0x16
#define SDS_10GR 0x1a
#define RTL837X_REG_LINKS 0x63f0
rtlplayground.c
+27 -6
View File
@@ -441,7 +441,7 @@ void sds_config(uint8_t sds, uint8_t mode)
if (mode == SDS_10GR) // 10G Fiber
sds_write_v(sds, 0x21, 0x10, 0x4480); // Q002110:6480
else
sds_write_v(sds, 0x21, 0x10, 0x6400); // Q002110:6480
sds_write_v(sds, 0x21, 0x10, 0x6480); // Q002110:6480
sds_write_v(sds, 0x21, 0x13, 0x0400); // Q002113:0400
sds_write_v(sds, 0x21, 0x18, 0x6d02); // Q002118:6d02
sds_write_v(sds, 0x21, 0x1b, 0x424e); // Q00211b:424e
@@ -462,6 +462,7 @@ void sds_config(uint8_t sds, uint8_t mode)
page = 0x24;
break;
case SDS_HISGMII:
case SDS_HSG:
SFR_DATA_8 = 0x02;
page = 0x28;
break;
@@ -533,6 +534,14 @@ uint8_t sfp_read_reg(uint8_t reg)
return sfr_data[3];
}
// Sleep the given number of ticks without doing housekeeping
void delay(uint16_t t)
{
sleep_until = ticks + t;
while (sleep_until >= ticks)
PCON |= 1;
}
//
// An idle function that sleeps for 1 tick and does all the house-keeping
@@ -588,11 +597,10 @@ void idle(void)
print_string("\r\n<MODULE INSERTED> ");
// Read Reg 11: Encoding, see SFF-8472 and SFF-8024
// Read Reg 12: Signalling rate (including overhead) in 100Mbit: 0xd: 1Gbit, 0x67:10Gbit
delay(100); // Delay, because some modules need some time to wake up
uint8_t rate = sfp_read_reg(12);
print_string("\r\nRate: ");
print_byte(rate);
print_string("\r\nEncoding: ");
print_byte(sfp_read_reg(11));
print_string("\r\nRate: "); print_byte(rate);
print_string(" Encoding: "); print_byte(sfp_read_reg(11));
print_string("\r\n");
for (uint8_t i = 20; i < 60; i++) {
uint8_t c = sfp_read_reg(i);
@@ -602,6 +610,8 @@ void idle(void)
print_string("\r\n");
if (rate == 0xd)
sds_config(1, SDS_1000BX_FIBER);
if (rate == 0x1f) // Ethernet 2.5 GBit
sds_config(1, SDS_HSG);
if (rate > 0x65 && rate < 0x70)
sds_config(1, SDS_10GR);
@@ -627,7 +637,7 @@ void idle(void)
void sleep(uint16_t t)
{
sleep_until = ticks + t;
while (sleep_until <= ticks)
while (sleep_until >= ticks)
idle();
}
@@ -1348,6 +1358,17 @@ void bootloader(void)
print_string("\r\nRESET\n\n");
reset_chip();
}
if (cmd_compare(0, "sfp")) {
uint8_t rate = sfp_read_reg(12);
print_string("\r\nRate: "); print_byte(rate);
print_string(" Encoding: "); print_byte(sfp_read_reg(11));
print_string("\r\n");
for (uint8_t i = 20; i < 60; i++) {
uint8_t c = sfp_read_reg(i);
if (c)
write_char(c);
}
}
if (cmd_compare(0, "flash") && cmd_words_b[1] > 0 && sbuf[cmd_words_b[1]] == 'd') {
print_string("\r\nDUMPING FLASH\r\n");
flash_dump(0, 255);