gitproxy/RTLPlayground
1
0 Fork 0
mirror of https://github.com/logicog/RTLPlayground.git synced 2026-10-29 17:54:14 +08:00
Code Issues Packages Projects Releases Wiki Activity

i2c/sfp: Demagic shift-values

Browse Source
This commit is contained in:
René van Dorst committed 2026-09-20 11:25:35 +02:00
1 parent f65d14f452
commit b5fe9f217f
3 files changed
+6 -4
Download Patch File Download Diff File Expand all files Collapse all files

No files matched your search

boot.c
+2 -2
View File
@@ -398,8 +398,8 @@ void setup_i2c(void) __banked
reg_read_m(RTL837X_PIN_MUX_1);
for (uint8_t sfp = 0; sfp < machine.n_sfp; sfp++) {
uint8_t i2c = machine.sfp_port[sfp].i2c;
uint8_t scl_bus = (i2c >> 5) & 0x03;
uint8_t sda_bus = (i2c >> 2) & 0x07;
uint8_t scl_bus = (i2c >> RTL837X_REG_I2C_SCL_SHIFT) & 0x03;
uint8_t sda_bus = (i2c >> RTL837X_REG_I2C_SDA_SHIFT) & 0x07;
print_string("Configuring I2C for SFP idx="); print_byte(sfp); print_string(" SCL="); print_byte(scl_bus); print_string(", SDA="); print_byte(sda_bus); write_char('\n');
switch (scl_bus) {
case 3: