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msm8916-openwrt/target/linux/generic/backport-6.6/780-03-v6.9-r8169-add-support-for-RTL8126A.patch
Álvaro Fernández Rojas ea2ff25d4c generic: 6.6: backport upstream r8169 patches 
Backport a bunch of upstream r8169 patches:
- RTL8168/RTL8101 LEDs support.
- RTL8126A support.
- RTL8125/RTL8126 LEDs support.
- RTL8168M support.

Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
2024-06-24 05:36:14 +02:00

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From 3907f1ffc0ecf466d5c04aadc44c4b9203f3ec9a Mon Sep 17 00:00:00 2001
From: Heiner Kallweit <hkallweit1@gmail.com>
Date: Thu, 1 Feb 2024 22:38:01 +0100
Subject: [PATCH] r8169: add support for RTL8126A
This adds support for the RTL8126A found on Asus z790 Maximus Formula.
It was successfully tested w/o the firmware at 1000Mbps. Firmware file
has been provided by Realtek and submitted to linux-firmware.
2.5G and 5G modes are untested.
Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
drivers/net/ethernet/realtek/r8169.h | 1 +
drivers/net/ethernet/realtek/r8169_main.c | 105 ++++++++++++++----
.../net/ethernet/realtek/r8169_phy_config.c | 7 ++
3 files changed, 89 insertions(+), 24 deletions(-)
--- a/drivers/net/ethernet/realtek/r8169.h
+++ b/drivers/net/ethernet/realtek/r8169.h
@@ -68,6 +68,7 @@ enum mac_version {
/* support for RTL_GIGA_MAC_VER_60 has been removed */
RTL_GIGA_MAC_VER_61,
RTL_GIGA_MAC_VER_63,
+ RTL_GIGA_MAC_VER_65,
RTL_GIGA_MAC_NONE
};
--- a/drivers/net/ethernet/realtek/r8169_main.c
+++ b/drivers/net/ethernet/realtek/r8169_main.c
@@ -55,6 +55,7 @@
#define FIRMWARE_8107E_2 "rtl_nic/rtl8107e-2.fw"
#define FIRMWARE_8125A_3 "rtl_nic/rtl8125a-3.fw"
#define FIRMWARE_8125B_2 "rtl_nic/rtl8125b-2.fw"
+#define FIRMWARE_8126A_2 "rtl_nic/rtl8126a-2.fw"
/* Maximum number of multicast addresses to filter (vs. Rx-all-multicast).
The RTL chips use a 64 element hash table based on the Ethernet CRC. */
@@ -140,6 +141,7 @@ static const struct {
[RTL_GIGA_MAC_VER_61] = {"RTL8125A", FIRMWARE_8125A_3},
/* reserve 62 for CFG_METHOD_4 in the vendor driver */
[RTL_GIGA_MAC_VER_63] = {"RTL8125B", FIRMWARE_8125B_2},
+ [RTL_GIGA_MAC_VER_65] = {"RTL8126A", FIRMWARE_8126A_2},
};
static const struct pci_device_id rtl8169_pci_tbl[] = {
@@ -162,6 +164,7 @@ static const struct pci_device_id rtl816
{ PCI_VENDOR_ID_LINKSYS, 0x1032, PCI_ANY_ID, 0x0024 },
{ 0x0001, 0x8168, PCI_ANY_ID, 0x2410 },
{ PCI_VDEVICE(REALTEK, 0x8125) },
+ { PCI_VDEVICE(REALTEK, 0x8126) },
{ PCI_VDEVICE(REALTEK, 0x3000) },
{}
};
@@ -331,8 +334,12 @@ enum rtl8168_registers {
};
enum rtl8125_registers {
+ INT_CFG0_8125 = 0x34,
+#define INT_CFG0_ENABLE_8125 BIT(0)
+#define INT_CFG0_CLKREQEN BIT(3)
IntrMask_8125 = 0x38,
IntrStatus_8125 = 0x3c,
+ INT_CFG1_8125 = 0x7a,
TxPoll_8125 = 0x90,
MAC0_BKP = 0x19e0,
EEE_TXIDLE_TIMER_8125 = 0x6048,
@@ -1144,7 +1151,7 @@ static void rtl_writephy(struct rtl8169_
case RTL_GIGA_MAC_VER_31:
r8168dp_2_mdio_write(tp, location, val);
break;
- case RTL_GIGA_MAC_VER_40 ... RTL_GIGA_MAC_VER_63:
+ case RTL_GIGA_MAC_VER_40 ... RTL_GIGA_MAC_VER_65:
r8168g_mdio_write(tp, location, val);
break;
default:
@@ -1159,7 +1166,7 @@ static int rtl_readphy(struct rtl8169_pr
case RTL_GIGA_MAC_VER_28:
case RTL_GIGA_MAC_VER_31:
return r8168dp_2_mdio_read(tp, location);
- case RTL_GIGA_MAC_VER_40 ... RTL_GIGA_MAC_VER_63:
+ case RTL_GIGA_MAC_VER_40 ... RTL_GIGA_MAC_VER_65:
return r8168g_mdio_read(tp, location);
default:
return r8169_mdio_read(tp, location);
@@ -1368,7 +1375,7 @@ static void rtl_set_d3_pll_down(struct r
case RTL_GIGA_MAC_VER_25 ... RTL_GIGA_MAC_VER_26:
case RTL_GIGA_MAC_VER_29 ... RTL_GIGA_MAC_VER_30:
case RTL_GIGA_MAC_VER_32 ... RTL_GIGA_MAC_VER_37:
- case RTL_GIGA_MAC_VER_39 ... RTL_GIGA_MAC_VER_63:
+ case RTL_GIGA_MAC_VER_39 ... RTL_GIGA_MAC_VER_65:
if (enable)
RTL_W8(tp, PMCH, RTL_R8(tp, PMCH) & ~D3_NO_PLL_DOWN);
else
@@ -1535,7 +1542,7 @@ static void __rtl8169_set_wol(struct rtl
break;
case RTL_GIGA_MAC_VER_34:
case RTL_GIGA_MAC_VER_37:
- case RTL_GIGA_MAC_VER_39 ... RTL_GIGA_MAC_VER_63:
+ case RTL_GIGA_MAC_VER_39 ... RTL_GIGA_MAC_VER_65:
if (wolopts)
rtl_mod_config2(tp, 0, PME_SIGNAL);
else
@@ -2122,6 +2129,9 @@ static enum mac_version rtl8169_get_mac_
u16 val;
enum mac_version ver;
} mac_info[] = {
+ /* 8126A family. */
+ { 0x7cf, 0x649, RTL_GIGA_MAC_VER_65 },
+
/* 8125B family. */
{ 0x7cf, 0x641, RTL_GIGA_MAC_VER_63 },
@@ -2392,6 +2402,7 @@ static void rtl_init_rxcfg(struct rtl816
RTL_W32(tp, RxConfig, RX_FETCH_DFLT_8125 | RX_DMA_BURST);
break;
case RTL_GIGA_MAC_VER_63:
+ case RTL_GIGA_MAC_VER_65:
RTL_W32(tp, RxConfig, RX_FETCH_DFLT_8125 | RX_DMA_BURST |
RX_PAUSE_SLOT_ON);
break;
@@ -2578,7 +2589,7 @@ static void rtl_wait_txrx_fifo_empty(str
case RTL_GIGA_MAC_VER_61 ... RTL_GIGA_MAC_VER_61:
rtl_loop_wait_high(tp, &rtl_rxtx_empty_cond, 100, 42);
break;
- case RTL_GIGA_MAC_VER_63:
+ case RTL_GIGA_MAC_VER_63 ... RTL_GIGA_MAC_VER_65:
RTL_W8(tp, ChipCmd, RTL_R8(tp, ChipCmd) | StopReq);
rtl_loop_wait_high(tp, &rtl_rxtx_empty_cond, 100, 42);
rtl_loop_wait_high(tp, &rtl_rxtx_empty_cond_2, 100, 42);
@@ -2822,7 +2833,7 @@ static void rtl_enable_exit_l1(struct rt
case RTL_GIGA_MAC_VER_37 ... RTL_GIGA_MAC_VER_38:
rtl_eri_set_bits(tp, 0xd4, 0x0c00);
break;
- case RTL_GIGA_MAC_VER_40 ... RTL_GIGA_MAC_VER_63:
+ case RTL_GIGA_MAC_VER_40 ... RTL_GIGA_MAC_VER_65:
r8168_mac_ocp_modify(tp, 0xc0ac, 0, 0x1f80);
break;
default:
@@ -2836,7 +2847,7 @@ static void rtl_disable_exit_l1(struct r
case RTL_GIGA_MAC_VER_34 ... RTL_GIGA_MAC_VER_38:
rtl_eri_clear_bits(tp, 0xd4, 0x1f00);
break;
- case RTL_GIGA_MAC_VER_40 ... RTL_GIGA_MAC_VER_63:
+ case RTL_GIGA_MAC_VER_40 ... RTL_GIGA_MAC_VER_65:
r8168_mac_ocp_modify(tp, 0xc0ac, 0x1f80, 0);
break;
default:
@@ -2846,6 +2857,8 @@ static void rtl_disable_exit_l1(struct r
static void rtl_hw_aspm_clkreq_enable(struct rtl8169_private *tp, bool enable)
{
+ u8 val8;
+
if (tp->mac_version < RTL_GIGA_MAC_VER_32)
return;
@@ -2859,11 +2872,19 @@ static void rtl_hw_aspm_clkreq_enable(st
return;
rtl_mod_config5(tp, 0, ASPM_en);
- rtl_mod_config2(tp, 0, ClkReqEn);
+ switch (tp->mac_version) {
+ case RTL_GIGA_MAC_VER_65:
+ val8 = RTL_R8(tp, INT_CFG0_8125) | INT_CFG0_CLKREQEN;
+ RTL_W8(tp, INT_CFG0_8125, val8);
+ break;
+ default:
+ rtl_mod_config2(tp, 0, ClkReqEn);
+ break;
+ }
switch (tp->mac_version) {
case RTL_GIGA_MAC_VER_46 ... RTL_GIGA_MAC_VER_48:
- case RTL_GIGA_MAC_VER_61 ... RTL_GIGA_MAC_VER_63:
+ case RTL_GIGA_MAC_VER_61 ... RTL_GIGA_MAC_VER_65:
/* reset ephy tx/rx disable timer */
r8168_mac_ocp_modify(tp, 0xe094, 0xff00, 0);
/* chip can trigger L1.2 */
@@ -2875,14 +2896,22 @@ static void rtl_hw_aspm_clkreq_enable(st
} else {
switch (tp->mac_version) {
case RTL_GIGA_MAC_VER_46 ... RTL_GIGA_MAC_VER_48:
- case RTL_GIGA_MAC_VER_61 ... RTL_GIGA_MAC_VER_63:
+ case RTL_GIGA_MAC_VER_61 ... RTL_GIGA_MAC_VER_65:
r8168_mac_ocp_modify(tp, 0xe092, 0x00ff, 0);
break;
default:
break;
}
- rtl_mod_config2(tp, ClkReqEn, 0);
+ switch (tp->mac_version) {
+ case RTL_GIGA_MAC_VER_65:
+ val8 = RTL_R8(tp, INT_CFG0_8125) & ~INT_CFG0_CLKREQEN;
+ RTL_W8(tp, INT_CFG0_8125, val8);
+ break;
+ default:
+ rtl_mod_config2(tp, ClkReqEn, 0);
+ break;
+ }
rtl_mod_config5(tp, ASPM_en, 0);
}
}
@@ -3678,10 +3707,15 @@ static void rtl_hw_start_8125_common(str
/* disable new tx descriptor format */
r8168_mac_ocp_modify(tp, 0xeb58, 0x0001, 0x0000);
- if (tp->mac_version == RTL_GIGA_MAC_VER_63)
+ if (tp->mac_version == RTL_GIGA_MAC_VER_65)
+ RTL_W8(tp, 0xD8, RTL_R8(tp, 0xD8) & ~0x02);
+
+ if (tp->mac_version == RTL_GIGA_MAC_VER_65)
+ r8168_mac_ocp_modify(tp, 0xe614, 0x0700, 0x0400);
+ else if (tp->mac_version == RTL_GIGA_MAC_VER_63)
r8168_mac_ocp_modify(tp, 0xe614, 0x0700, 0x0200);
else
- r8168_mac_ocp_modify(tp, 0xe614, 0x0700, 0x0400);
+ r8168_mac_ocp_modify(tp, 0xe614, 0x0700, 0x0300);
if (tp->mac_version == RTL_GIGA_MAC_VER_63)
r8168_mac_ocp_modify(tp, 0xe63e, 0x0c30, 0x0000);
@@ -3694,6 +3728,10 @@ static void rtl_hw_start_8125_common(str
r8168_mac_ocp_modify(tp, 0xe056, 0x00f0, 0x0030);
r8168_mac_ocp_modify(tp, 0xe040, 0x1000, 0x0000);
r8168_mac_ocp_modify(tp, 0xea1c, 0x0003, 0x0001);
+ if (tp->mac_version == RTL_GIGA_MAC_VER_65)
+ r8168_mac_ocp_modify(tp, 0xea1c, 0x0300, 0x0000);
+ else
+ r8168_mac_ocp_modify(tp, 0xea1c, 0x0004, 0x0000);
r8168_mac_ocp_modify(tp, 0xe0c0, 0x4f0f, 0x4403);
r8168_mac_ocp_modify(tp, 0xe052, 0x0080, 0x0068);
r8168_mac_ocp_modify(tp, 0xd430, 0x0fff, 0x047f);
@@ -3708,10 +3746,10 @@ static void rtl_hw_start_8125_common(str
rtl_loop_wait_low(tp, &rtl_mac_ocp_e00e_cond, 1000, 10);
- if (tp->mac_version == RTL_GIGA_MAC_VER_63)
- rtl8125b_config_eee_mac(tp);
- else
+ if (tp->mac_version == RTL_GIGA_MAC_VER_61)
rtl8125a_config_eee_mac(tp);
+ else
+ rtl8125b_config_eee_mac(tp);
rtl_disable_rxdvgate(tp);
}
@@ -3755,6 +3793,12 @@ static void rtl_hw_start_8125b(struct rt
rtl_hw_start_8125_common(tp);
}
+static void rtl_hw_start_8126a(struct rtl8169_private *tp)
+{
+ rtl_set_def_aspm_entry_latency(tp);
+ rtl_hw_start_8125_common(tp);
+}
+
static void rtl_hw_config(struct rtl8169_private *tp)
{
static const rtl_generic_fct hw_configs[] = {
@@ -3797,6 +3841,7 @@ static void rtl_hw_config(struct rtl8169
[RTL_GIGA_MAC_VER_53] = rtl_hw_start_8117,
[RTL_GIGA_MAC_VER_61] = rtl_hw_start_8125a_2,
[RTL_GIGA_MAC_VER_63] = rtl_hw_start_8125b,
+ [RTL_GIGA_MAC_VER_65] = rtl_hw_start_8126a,
};
if (hw_configs[tp->mac_version])
@@ -3807,9 +3852,23 @@ static void rtl_hw_start_8125(struct rtl
{
int i;
+ RTL_W8(tp, INT_CFG0_8125, 0x00);
+
/* disable interrupt coalescing */
- for (i = 0xa00; i < 0xb00; i += 4)
- RTL_W32(tp, i, 0);
+ switch (tp->mac_version) {
+ case RTL_GIGA_MAC_VER_61:
+ for (i = 0xa00; i < 0xb00; i += 4)
+ RTL_W32(tp, i, 0);
+ break;
+ case RTL_GIGA_MAC_VER_63:
+ case RTL_GIGA_MAC_VER_65:
+ for (i = 0xa00; i < 0xa80; i += 4)
+ RTL_W32(tp, i, 0);
+ RTL_W16(tp, INT_CFG1_8125, 0x0000);
+ break;
+ default:
+ break;
+ }
rtl_hw_config(tp);
}
@@ -3887,8 +3946,7 @@ static int rtl8169_change_mtu(struct net
rtl_jumbo_config(tp);
switch (tp->mac_version) {
- case RTL_GIGA_MAC_VER_61:
- case RTL_GIGA_MAC_VER_63:
+ case RTL_GIGA_MAC_VER_61 ... RTL_GIGA_MAC_VER_65:
rtl8125_set_eee_txidle_timer(tp);
break;
default:
@@ -4037,7 +4095,7 @@ static void rtl8169_cleanup(struct rtl81
RTL_W8(tp, ChipCmd, RTL_R8(tp, ChipCmd) | StopReq);
rtl_loop_wait_high(tp, &rtl_txcfg_empty_cond, 100, 666);
break;
- case RTL_GIGA_MAC_VER_40 ... RTL_GIGA_MAC_VER_63:
+ case RTL_GIGA_MAC_VER_40 ... RTL_GIGA_MAC_VER_65:
rtl_enable_rxdvgate(tp);
fsleep(2000);
break;
@@ -4188,8 +4246,7 @@ static unsigned int rtl_quirk_packet_pad
switch (tp->mac_version) {
case RTL_GIGA_MAC_VER_34:
- case RTL_GIGA_MAC_VER_61:
- case RTL_GIGA_MAC_VER_63:
+ case RTL_GIGA_MAC_VER_61 ... RTL_GIGA_MAC_VER_65:
padto = max_t(unsigned int, padto, ETH_ZLEN);
break;
default:
@@ -5225,7 +5282,7 @@ static void rtl_hw_initialize(struct rtl
case RTL_GIGA_MAC_VER_40 ... RTL_GIGA_MAC_VER_48:
rtl_hw_init_8168g(tp);
break;
- case RTL_GIGA_MAC_VER_61 ... RTL_GIGA_MAC_VER_63:
+ case RTL_GIGA_MAC_VER_61 ... RTL_GIGA_MAC_VER_65:
rtl_hw_init_8125(tp);
break;
default:
--- a/drivers/net/ethernet/realtek/r8169_phy_config.c
+++ b/drivers/net/ethernet/realtek/r8169_phy_config.c
@@ -1102,6 +1102,12 @@ static void rtl8125b_hw_phy_config(struc
rtl8125b_config_eee_phy(phydev);
}
+static void rtl8126a_hw_phy_config(struct rtl8169_private *tp,
+ struct phy_device *phydev)
+{
+ r8169_apply_firmware(tp);
+}
+
void r8169_hw_phy_config(struct rtl8169_private *tp, struct phy_device *phydev,
enum mac_version ver)
{
@@ -1152,6 +1158,7 @@ void r8169_hw_phy_config(struct rtl8169_
[RTL_GIGA_MAC_VER_53] = rtl8117_hw_phy_config,
[RTL_GIGA_MAC_VER_61] = rtl8125a_2_hw_phy_config,
[RTL_GIGA_MAC_VER_63] = rtl8125b_hw_phy_config,
+ [RTL_GIGA_MAC_VER_65] = rtl8126a_hw_phy_config,
};
if (phy_configs[ver])
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