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Use names for I2C-controller registers

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logicog
2025-07-23 08:34:26 +02:00
parent 96a108e891
commit 0b30019769
2 changed files with 16 additions and 8 deletions
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rtl837x_regs.h
+8
View File
@@ -52,6 +52,14 @@
// Configures IO direction for bank a // Configures IO direction for bank a
#define RTL837X_REG_GPIO_EXT 0x63e8 #define RTL837X_REG_GPIO_EXT 0x63e8
/*
* I2C controller
*/
#define RTL837X_REG_I2C_CTRL 0x0418
#define RTL837X_REG_I2C_IN 0x0420
#define RTL837X_REG_I2C_OUT 0x0424
/* /*
* NIC Related registers * NIC Related registers
*/ */
rtlplayground.c
+8 -8
View File
@@ -704,26 +704,26 @@ void sds_config(uint8_t sds, uint8_t mode)
uint8_t sfp_read_reg(uint8_t slot, uint8_t reg) uint8_t sfp_read_reg(uint8_t slot, uint8_t reg)
{ {
if (slot == 0) { if (slot == 0) {
reg_read_m(0x0418); reg_read_m(RTL837X_REG_I2C_CTRL);
sfr_mask_data(1, 0xff, 0x72); sfr_mask_data(1, 0xff, 0x72);
reg_write_m(0x0418); reg_write_m(RTL837X_REG_I2C_CTRL);
} else { } else {
reg_read_m(0x0418); reg_read_m(RTL837X_REG_I2C_CTRL);
sfr_mask_data(1, 0xff, 0x6e); sfr_mask_data(1, 0xff, 0x6e);
reg_write_m(0x0418); reg_write_m(RTL837X_REG_I2C_CTRL);
} }
REG_WRITE(0x0420, 0, 0, 0, reg); REG_WRITE(RTL837X_REG_I2C_IN, 0, 0, 0, reg);
// Execute I2C Read // Execute I2C Read
reg_bit_set(0x418, 0); reg_bit_set(RTL837X_REG_I2C_CTRL, 0);
// Wait for execution to finish // Wait for execution to finish
do { do {
reg_read_m(0x418); reg_read_m(RTL837X_REG_I2C_CTRL);
} while (sfr_data[3] & 0x1); } while (sfr_data[3] & 0x1);
reg_read_m(0x0424); reg_read_m(RTL837X_REG_I2C_OUT);
return sfr_data[3]; return sfr_data[3];
} }