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Add more comments about the SDS-settings for RTL8224.

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Remove the unused array `rtl8224_cb`.
Rename `rtl8224_ca` to `rtl8224_sds0_setttings`.
This commit is contained in:
René van Dorst
2026-01-25 20:24:40 +01:00
parent b7b4594406
commit fc327810ed
1 changed files with 12 additions and 31 deletions
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rtl837x_phy.c
+12 -31
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@@ -25,7 +25,14 @@ extern __code uint16_t bit_mask[16];
extern __code const struct machine machine; extern __code const struct machine machine;
extern __xdata struct machine_runtime machine_detected; extern __xdata struct machine_runtime machine_detected;
__code uint16_t rtl8224_ca[42] = { // SDS-settings for RTL8224 first SerDes which is connected to the RTL837x-SOC.
// Array contrains register-value, and SDS-CMD, which already encodes (sds_index, page, reg).
// This array is used in phy_config_8224().
//
// Note: Adding `Swapping the RX for N-devices`-setting on the end of the array, didn't work.
// Setting will apply but still no packets flow.
// Settings are `0x2000, 0xc10c`,
__code uint16_t rtl8224_sds0_setttings[42] = {
// SDS_DATA, SDS_CMD // SDS_DATA, SDS_CMD
0x4480, 0xc842, 0x4480, 0xc842,
0x0400, 0xc9c2, 0x0400, 0xc9c2,
@@ -47,35 +54,9 @@ __code uint16_t rtl8224_ca[42] = {
0xabb0, 0xcedc, 0xabb0, 0xcedc,
0x5078, 0xc90c, 0x5078, 0xc90c,
0xc45c, 0xc18c, 0xc45c, 0xc18c,
// Note Swapping the RX for N-device here, don't work
// Setting will apply but still no packets flow.
// 0x2000, 0xc10c,
0, 0 0, 0
}; };
__code uint16_t rtl8224_cb[60] = {
0xc45c, 0xc18c, 0x8040,
0x0030, 0xc040, 0x8040,
0x0010, 0xc040, 0x8040,
0x0050, 0xc040, 0x8040,
0x00d0, 0xc040, 0x8040,
0x0cd0, 0xc040, 0x8040,
0x04d0, 0xc040, 0x8040,
0x04d0, 0xc040, 0x8040,
0x0cd0, 0xc040, 0x8040,
0x00d0, 0xc040, 0x8040,
0x00d0, 0xc040, 0x8040,
0x0050, 0xc040, 0x8040,
0x0010, 0xc040, 0x8040,
0x0010, 0xc040, 0x8040,
0x0030, 0xc040, 0x8040,
0x0000, 0xc040, 0x803e,
0x000b, 0xc03e, 0x803e,
0x0000, 0xc03e, 0x8042,
0x4906, 0xc042, 0x82ec,
0xffff,0,0
};
void rtl8224_phy_enable(void) __banked void rtl8224_phy_enable(void) __banked
{ {
uint16_t pval; uint16_t pval;
@@ -187,13 +168,13 @@ void phy_config_8224(void) __banked
phy_write(RTL8224_PHY_ID, 0x1e, 0x7b20, pval); phy_write(RTL8224_PHY_ID, 0x1e, 0x7b20, pval);
uint8_t i = 0; uint8_t i = 0;
while (rtl8224_ca[i]) { while (rtl8224_sds0_setttings[i]) {
phy_write(RTL8224_PHY_ID, 0x1e, 0x400, rtl8224_ca[i]); rtl8224_write_reg_u16(RTL837X_SDS_INDACS_WRITE_DATA, rtl8224_sds0_setttings[i]);
i++; i++;
phy_write(RTL8224_PHY_ID, 0x1e, 0x3f8, rtl8224_ca[i]); rtl8224_write_reg_u16(RTL837X_SDS_INDACS_CMD, rtl8224_sds0_setttings[i]);
i++; i++;
do { do {
phy_read(RTL8224_PHY_ID, 0x1e, 0x3f8); rtl8224_read_reg_u16(0x3f8);
} while (SFR_DATA_8 & 0x80); } while (SFR_DATA_8 & 0x80);
} }