realtek: pcs: rtl930x: add standalone USXGMII-SX setup

Add everything that's needed to setup USXGMII-SX mode (10G single port
USXGMII). This includes patch sequences and adjustments to the symbol
error reset and reading, and allowing it in the SerDes setup.

Signed-off-by: Jonas Jelonek <jelonek.jonas@gmail.com>
Link: https://github.com/openwrt/openwrt/pull/21930
Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>

diff --git a/target/linux/realtek/files-6.12/drivers/net/pcs/pcs-rtl-otto.c b/target/linux/realtek/files-6.12/drivers/net/pcs/pcs-rtl-otto.c
index a13b591af899f047d3b60a60da9a8da263d63cff..928c636388d88705e7be5acb9d3af9bab329203d 100644 (file)
--- a/target/linux/realtek/files-6.12/drivers/net/pcs/pcs-rtl-otto.c
+++ b/target/linux/realtek/files-6.12/drivers/net/pcs/pcs-rtl-otto.c
@@ -2429,8 +2429,8 @@ static int rtpcs_930x_sds_sym_err_reset(struct rtpcs_serdes *sds,
        case RTPCS_SDS_MODE_10GBASER:
        case RTPCS_SDS_MODE_USXGMII_10GSXGMII:
                /* Read twice to clear */
-               rtpcs_sds_read(sds, 5, 1);
-               rtpcs_sds_read(sds, 5, 1);
+               rtpcs_sds_read(sds, 0x5, 0x1);
+               rtpcs_sds_read(sds, 0x5, 0x1);
                return 0;
 
        case RTPCS_SDS_MODE_XSGMII:
@@ -2484,7 +2484,8 @@ static u32 rtpcs_930x_sds_sym_err_get(struct rtpcs_serdes *sds,
        case RTPCS_SDS_MODE_1000BASEX:
        case RTPCS_SDS_MODE_SGMII:
        case RTPCS_SDS_MODE_10GBASER:
-               v = rtpcs_sds_read(sds, 5, 1);
+       case RTPCS_SDS_MODE_USXGMII_10GSXGMII:
+               v = rtpcs_sds_read(sds, 0x5, 0x1);
                return v & 0xff;
 
        default:
@@ -2518,6 +2519,7 @@ static int rtpcs_930x_sds_check_calibration(struct rtpcs_serdes *sds,
                }
                break;
        case RTPCS_SDS_MODE_10GBASER:
+       case RTPCS_SDS_MODE_USXGMII_10GSXGMII:
        case RTPCS_SDS_MODE_USXGMII_10GQXGMII:
                if (errors2 > 0) {
                        pr_info("%s: 10G error rate too high\n", __func__);
@@ -2768,6 +2770,46 @@ static const struct rtpcs_sds_config rtpcs_930x_sds_cfg_xsgmii_odd[] =
        {0x2D, 0x13, 0x3C87}, {0x2D, 0x14, 0x1808},
 };
 
+static const struct rtpcs_sds_config rtpcs_930x_sds_cfg_usxgmii_sx_even[] =
+{
+       {0x06, 0x00, 0x0000}, {0x06, 0x0D, 0x0F00}, {0x06, 0x0E, 0x055A}, {0x07, 0x10, 0x6003},
+       {0x06, 0x1D, 0x0600}, {0x06, 0x13, 0x68C1}, {0x06, 0x14, 0xF021}, {0x07, 0x06, 0x1401},
+       {0x21, 0x03, 0x8206}, {0x21, 0x05, 0x40B0}, {0x21, 0x06, 0x0010}, {0x21, 0x07, 0xF09F},
+       {0x21, 0x0C, 0x0007}, {0x21, 0x0D, 0x6009}, {0x21, 0x0E, 0x0000}, {0x21, 0x0F, 0x0008},
+       {0x2E, 0x00, 0xA668}, {0x2E, 0x01, 0x2088}, {0x2E, 0x02, 0xD020}, {0x2E, 0x06, 0xC000},
+       {0x2E, 0x0B, 0x1892}, {0x2E, 0x0F, 0xFFDF}, {0x2E, 0x11, 0x8280}, {0x2E, 0x12, 0x0484},
+       {0x2E, 0x13, 0x027F}, {0x2E, 0x14, 0x1311}, {0x2E, 0x17, 0xA100}, {0x2E, 0x1A, 0x0001},
+       {0x2E, 0x1C, 0x0400}, {0x2F, 0x01, 0x0300}, {0x2F, 0x02, 0x1017}, {0x2F, 0x03, 0xFFDF},
+       {0x2F, 0x05, 0x7F7C}, {0x2F, 0x07, 0x8104}, {0x2F, 0x08, 0x0001}, {0x2F, 0x09, 0xFFD4},
+       {0x2F, 0x0A, 0x7C2F}, {0x2F, 0x0E, 0x003F}, {0x2F, 0x0F, 0x0121}, {0x2F, 0x10, 0x0020},
+       {0x2F, 0x11, 0x8840},
+       {0x2B, 0x13, 0x0050}, {0x2B, 0x18, 0x8E88}, {0x2B, 0x19, 0x4902}, {0x2B, 0x1D, 0x2501},
+       {0x2D, 0x13, 0x0050}, {0x2D, 0x18, 0x8E88}, {0x2D, 0x19, 0x4902}, {0x2D, 0x1D, 0x2641},
+       {0x2F, 0x13, 0x0050}, {0x2F, 0x18, 0x8E88}, {0x2F, 0x19, 0x4902}, {0x2F, 0x1D, 0x66E1},
+       /*enable eee*/
+       {0x06, 0x03, 0xc45c},
+};
+
+static const struct rtpcs_sds_config rtpcs_930x_sds_cfg_usxgmii_sx_odd[] =
+{
+       {0x06, 0x00, 0x0000}, {0x06, 0x0D, 0x0F00}, {0x06, 0x0E, 0x055A}, {0x07, 0x10, 0x6003},
+       {0x06, 0x1D, 0x0600}, {0x06, 0x13, 0x68C1}, {0x06, 0x14, 0xF021}, {0x07, 0x06, 0x1401},
+       {0x21, 0x03, 0x8206}, {0x21, 0x05, 0x40B0}, {0x21, 0x06, 0x0010}, {0x21, 0x07, 0xF09F},
+       {0x21, 0x0A, 0x0003}, {0x21, 0x0B, 0x0005}, {0x21, 0x0C, 0x0007}, {0x21, 0x0D, 0x6009},
+       {0x21, 0x0E, 0x0000}, {0x21, 0x0F, 0x0008},
+       {0x2E, 0x00, 0xA668}, {0x2E, 0x02, 0xD020}, {0x2E, 0x06, 0xC000}, {0x2E, 0x0B, 0x1892},
+       {0x2E, 0x0F, 0xFFDF}, {0x2E, 0x11, 0x8280}, {0x2E, 0x12, 0x0484}, {0x2E, 0x13, 0x027F},
+       {0x2E, 0x14, 0x1311}, {0x2E, 0x17, 0xA100}, {0x2E, 0x1A, 0x0001}, {0x2E, 0x1C, 0x0400},
+       {0x2F, 0x00, 0x820F}, {0x2F, 0x01, 0x0300}, {0x2F, 0x02, 0x1017}, {0x2F, 0x03, 0xFFDF},
+       {0x2F, 0x05, 0x7F7C}, {0x2F, 0x07, 0x8104}, {0x2F, 0x08, 0x0001}, {0x2F, 0x09, 0xFFD4},
+       {0x2F, 0x0A, 0x7C2F}, {0x2F, 0x0E, 0x003F}, {0x2F, 0x0F, 0x0121}, {0x2F, 0x10, 0x0020},
+       {0x2F, 0x11, 0x8840},
+       {0x2B, 0x13, 0x3D87},{0x2B, 0x14, 0x3108},
+       {0x2D, 0x13, 0x3C87},{0x2D, 0x14, 0x1808},
+       /*enable eee*/
+       {0x06, 0x03, 0xc45c},
+};
+
 static void rtpcs_930x_sds_usxgmii_config(struct rtpcs_serdes *sds, int nway_en,
                                          u32 opcode, u32 am_period,
                                          u32 all_am_markers, u32 an_table,
@@ -2843,6 +2885,16 @@ static void rtpcs_930x_sds_patch(struct rtpcs_serdes *sds,
 
                return;
 
+       case RTPCS_SDS_MODE_USXGMII_10GSXGMII:
+               if (is_even_sds) {
+                       config = rtpcs_930x_sds_cfg_usxgmii_sx_even;
+                       count = ARRAY_SIZE(rtpcs_930x_sds_cfg_usxgmii_sx_even);
+               } else {
+                       config = rtpcs_930x_sds_cfg_usxgmii_sx_odd;
+                       count = ARRAY_SIZE(rtpcs_930x_sds_cfg_usxgmii_sx_odd);
+               }
+               break;
+
        case RTPCS_SDS_MODE_USXGMII_10GQXGMII:
        default:
                return;
@@ -2895,6 +2947,7 @@ static int rtpcs_930x_setup_serdes(struct rtpcs_serdes *sds,
        case RTPCS_SDS_MODE_SGMII:
        case RTPCS_SDS_MODE_2500BASEX:
        case RTPCS_SDS_MODE_10GBASER:
+       case RTPCS_SDS_MODE_USXGMII_10GSXGMII:
        case RTPCS_SDS_MODE_USXGMII_10GQXGMII:
        case RTPCS_SDS_MODE_XSGMII:
                break;