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path: root/target/linux/realtek/files-5.10/drivers/net/phy/rtl83xx-phy.c
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Diffstat (limited to 'target/linux/realtek/files-5.10/drivers/net/phy/rtl83xx-phy.c')
-rw-r--r--target/linux/realtek/files-5.10/drivers/net/phy/rtl83xx-phy.c1983
1 files changed, 1983 insertions, 0 deletions
diff --git a/target/linux/realtek/files-5.10/drivers/net/phy/rtl83xx-phy.c b/target/linux/realtek/files-5.10/drivers/net/phy/rtl83xx-phy.c
new file mode 100644
index 0000000000..3e187228a9
--- /dev/null
+++ b/target/linux/realtek/files-5.10/drivers/net/phy/rtl83xx-phy.c
@@ -0,0 +1,1983 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/* Realtek RTL838X Ethernet MDIO interface driver
+ *
+ * Copyright (C) 2020 B. Koblitz
+ */
+
+#include <linux/module.h>
+#include <linux/delay.h>
+#include <linux/phy.h>
+#include <linux/netdevice.h>
+#include <linux/firmware.h>
+#include <linux/crc32.h>
+
+#include <asm/mach-rtl838x/mach-rtl83xx.h>
+#include "rtl83xx-phy.h"
+
+
+extern struct rtl83xx_soc_info soc_info;
+extern struct mutex smi_lock;
+
+/*
+ * This lock protects the state of the SoC automatically polling the PHYs over the SMI
+ * bus to detect e.g. link and media changes. For operations on the PHYs such as
+ * patching or other configuration changes such as EEE, polling needs to be disabled
+ * since otherwise these operations may fails or lead to unpredictable results.
+ */
+DEFINE_MUTEX(poll_lock);
+
+static const struct firmware rtl838x_8380_fw;
+static const struct firmware rtl838x_8214fc_fw;
+static const struct firmware rtl838x_8218b_fw;
+
+int rtl838x_read_mmd_phy(u32 port, u32 devnum, u32 regnum, u32 *val);
+int rtl838x_write_mmd_phy(u32 port, u32 devnum, u32 reg, u32 val);
+int rtl839x_read_mmd_phy(u32 port, u32 devnum, u32 regnum, u32 *val);
+int rtl839x_write_mmd_phy(u32 port, u32 devnum, u32 reg, u32 val);
+int rtl930x_read_mmd_phy(u32 port, u32 devnum, u32 regnum, u32 *val);
+int rtl930x_write_mmd_phy(u32 port, u32 devnum, u32 reg, u32 val);
+int rtl931x_read_mmd_phy(u32 port, u32 devnum, u32 regnum, u32 *val);
+int rtl931x_write_mmd_phy(u32 port, u32 devnum, u32 reg, u32 val);
+
+static int read_phy(u32 port, u32 page, u32 reg, u32 *val)
+{ switch (soc_info.family) {
+ case RTL8380_FAMILY_ID:
+ return rtl838x_read_phy(port, page, reg, val);
+ case RTL8390_FAMILY_ID:
+ return rtl839x_read_phy(port, page, reg, val);
+ case RTL9300_FAMILY_ID:
+ return rtl930x_read_phy(port, page, reg, val);
+ case RTL9310_FAMILY_ID:
+ return rtl931x_read_phy(port, page, reg, val);
+ }
+ return -1;
+}
+
+static int write_phy(u32 port, u32 page, u32 reg, u32 val)
+{
+ switch (soc_info.family) {
+ case RTL8380_FAMILY_ID:
+ return rtl838x_write_phy(port, page, reg, val);
+ case RTL8390_FAMILY_ID:
+ return rtl839x_write_phy(port, page, reg, val);
+ case RTL9300_FAMILY_ID:
+ return rtl930x_write_phy(port, page, reg, val);
+ case RTL9310_FAMILY_ID:
+ return rtl931x_write_phy(port, page, reg, val);
+ }
+ return -1;
+}
+
+static int read_mmd_phy(u32 port, u32 devnum, u32 regnum, u32 *val)
+{
+ switch (soc_info.family) {
+ case RTL8380_FAMILY_ID:
+ return rtl838x_read_mmd_phy(port, devnum, regnum, val);
+ case RTL8390_FAMILY_ID:
+ return rtl839x_read_mmd_phy(port, devnum, regnum, val);
+ case RTL9300_FAMILY_ID:
+ return rtl930x_read_mmd_phy(port, devnum, regnum, val);
+ case RTL9310_FAMILY_ID:
+ return rtl931x_read_mmd_phy(port, devnum, regnum, val);
+ }
+ return -1;
+}
+
+int write_mmd_phy(u32 port, u32 devnum, u32 reg, u32 val)
+{
+ switch (soc_info.family) {
+ case RTL8380_FAMILY_ID:
+ return rtl838x_write_mmd_phy(port, devnum, reg, val);
+ case RTL8390_FAMILY_ID:
+ return rtl839x_write_mmd_phy(port, devnum, reg, val);
+ case RTL9300_FAMILY_ID:
+ return rtl930x_write_mmd_phy(port, devnum, reg, val);
+ case RTL9310_FAMILY_ID:
+ return rtl931x_write_mmd_phy(port, devnum, reg, val);
+ }
+ return -1;
+}
+
+static u64 disable_polling(int port)
+{
+ u64 saved_state;
+
+ mutex_lock(&poll_lock);
+
+ switch (soc_info.family) {
+ case RTL8380_FAMILY_ID:
+ saved_state = sw_r32(RTL838X_SMI_POLL_CTRL);
+ sw_w32_mask(BIT(port), 0, RTL838X_SMI_POLL_CTRL);
+ break;
+ case RTL8390_FAMILY_ID:
+ saved_state = sw_r32(RTL839X_SMI_PORT_POLLING_CTRL + 4);
+ saved_state <<= 32;
+ saved_state |= sw_r32(RTL839X_SMI_PORT_POLLING_CTRL);
+ sw_w32_mask(BIT(port % 32), 0,
+ RTL839X_SMI_PORT_POLLING_CTRL + ((port >> 5) << 2));
+ break;
+ case RTL9300_FAMILY_ID:
+ saved_state = sw_r32(RTL930X_SMI_POLL_CTRL);
+ sw_w32_mask(BIT(port), 0, RTL930X_SMI_POLL_CTRL);
+ break;
+ case RTL9310_FAMILY_ID:
+ pr_warn("%s not implemented for RTL931X\n", __func__);
+ break;
+ }
+
+ mutex_unlock(&poll_lock);
+
+ return saved_state;
+}
+
+static int resume_polling(u64 saved_state)
+{
+ mutex_lock(&poll_lock);
+
+ switch (soc_info.family) {
+ case RTL8380_FAMILY_ID:
+ sw_w32(saved_state, RTL838X_SMI_POLL_CTRL);
+ break;
+ case RTL8390_FAMILY_ID:
+ sw_w32(saved_state >> 32, RTL839X_SMI_PORT_POLLING_CTRL + 4);
+ sw_w32(saved_state, RTL839X_SMI_PORT_POLLING_CTRL);
+ break;
+ case RTL9300_FAMILY_ID:
+ sw_w32(saved_state, RTL930X_SMI_POLL_CTRL);
+ break;
+ case RTL9310_FAMILY_ID:
+ pr_warn("%s not implemented for RTL931X\n", __func__);
+ break;
+ }
+
+ mutex_unlock(&poll_lock);
+
+ return 0;
+}
+
+static void rtl8380_int_phy_on_off(int mac, bool on)
+{
+ u32 val;
+
+ read_phy(mac, 0, 0, &val);
+ if (on)
+ write_phy(mac, 0, 0, val & ~BIT(11));
+ else
+ write_phy(mac, 0, 0, val | BIT(11));
+}
+
+static void rtl8380_rtl8214fc_on_off(int mac, bool on)
+{
+ u32 val;
+
+ /* fiber ports */
+ write_phy(mac, 4095, 30, 3);
+ read_phy(mac, 0, 16, &val);
+ if (on)
+ write_phy(mac, 0, 16, val & ~BIT(11));
+ else
+ write_phy(mac, 0, 16, val | BIT(11));
+
+ /* copper ports */
+ write_phy(mac, 4095, 30, 1);
+ read_phy(mac, 0, 16, &val);
+ if (on)
+ write_phy(mac, 0xa40, 16, val & ~BIT(11));
+ else
+ write_phy(mac, 0xa40, 16, val | BIT(11));
+}
+
+static void rtl8380_phy_reset(int mac)
+{
+ u32 val;
+
+ read_phy(mac, 0, 0, &val);
+ write_phy(mac, 0, 0, val | BIT(15));
+}
+
+/*
+ * Reset the SerDes by powering it off and set a new operations mode
+ * of the SerDes. 0x1f is off. Other modes are
+ * 0x01: QSGMII 0x04: 1000BX_FIBER 0x05: FIBER100
+ * 0x06: QSGMII 0x09: RSGMII 0x0d: USXGMII
+ * 0x10: XSGMII 0x12: HISGMII 0x16: 2500Base_X
+ * 0x17: RXAUI_LITE 0x19: RXAUI_PLUS 0x1a: 10G Base-R
+ * 0x1b: 10GR1000BX_AUTO 0x1f: OFF
+ */
+void rtl9300_sds_rst(int sds_num, u32 mode)
+{
+ // The access registers for SDS_MODE_SEL and the LSB for each SDS within
+ u16 regs[] = { 0x0194, 0x0194, 0x0194, 0x0194, 0x02a0, 0x02a0, 0x02a0, 0x02a0,
+ 0x02A4, 0x02A4, 0x0198, 0x0198 };
+ u8 lsb[] = { 0, 6, 12, 18, 0, 6, 12, 18, 0, 6, 0, 6};
+
+ pr_info("SerDes: %s %d\n", __func__, mode);
+ if (sds_num < 0 || sds_num > 11) {
+ pr_err("Wrong SerDes number: %d\n", sds_num);
+ return;
+ }
+
+ sw_w32_mask(0x1f << lsb[sds_num], 0x1f << lsb[sds_num], regs[sds_num]);
+ mdelay(10);
+
+ sw_w32_mask(0x1f << lsb[sds_num], mode << lsb[sds_num], regs[sds_num]);
+ mdelay(10);
+
+ pr_info("SDS: 194:%08x 198:%08x 2a0:%08x 2a4:%08x\n",
+ sw_r32(0x194), sw_r32(0x198), sw_r32(0x2a0), sw_r32(0x2a4));
+}
+
+/*
+ * On the RTL839x family of SoCs with inbuilt SerDes, these SerDes are accessed through
+ * a 2048 bit register that holds the contents of the PHY being simulated by the SoC.
+ */
+int rtl839x_read_sds_phy(int phy_addr, int phy_reg)
+{
+ int offset = 0;
+ int reg;
+ u32 val;
+
+ if (phy_addr == 49)
+ offset = 0x100;
+
+ /*
+ * For the RTL8393 internal SerDes, we simulate a PHY ID in registers 2/3
+ * which would otherwise read as 0.
+ */
+ if (soc_info.id == 0x8393) {
+ if (phy_reg == 2)
+ return 0x1c;
+ if (phy_reg == 3)
+ return 0x8393;
+ }
+
+ /*
+ * Register RTL839X_SDS12_13_XSG0 is 2048 bit broad, the MSB (bit 15) of the
+ * 0th PHY register is bit 1023 (in byte 0x80). Because PHY-registers are 16
+ * bit broad, we offset by reg << 1. In the SoC 2 registers are stored in
+ * one 32 bit register.
+ */
+ reg = (phy_reg << 1) & 0xfc;
+ val = sw_r32(RTL839X_SDS12_13_XSG0 + offset + 0x80 + reg);
+
+ if (phy_reg & 1)
+ val = (val >> 16) & 0xffff;
+ else
+ val &= 0xffff;
+ return val;
+}
+
+/*
+ * On the RTL930x family of SoCs, the internal SerDes are accessed through an IO
+ * register which simulates commands to an internal MDIO bus.
+ */
+int rtl930x_read_sds_phy(int phy_addr, int page, int phy_reg)
+{
+ int i;
+ u32 cmd = phy_addr << 2 | page << 7 | phy_reg << 13 | 1;
+
+ pr_info("%s: phy_addr %d, phy_reg: %d\n", __func__, phy_addr, phy_reg);
+ sw_w32(cmd, RTL930X_SDS_INDACS_CMD);
+
+ for (i = 0; i < 100; i++) {
+ if (!(sw_r32(RTL930X_SDS_INDACS_CMD) & 0x1))
+ break;
+ mdelay(1);
+ }
+
+ if (i >= 100)
+ return -EIO;
+
+ pr_info("%s: returning %04x\n", __func__, sw_r32(RTL930X_SDS_INDACS_DATA) & 0xffff);
+ return sw_r32(RTL930X_SDS_INDACS_DATA) & 0xffff;
+}
+
+int rtl930x_write_sds_phy(int phy_addr, int page, int phy_reg, u16 v)
+{
+ int i;
+ u32 cmd;
+
+ sw_w32(v, RTL930X_SDS_INDACS_DATA);
+ cmd = phy_addr << 2 | page << 7 | phy_reg << 13 | 0x3;
+
+ for (i = 0; i < 100; i++) {
+ if (!(sw_r32(RTL930X_SDS_INDACS_CMD) & 0x1))
+ break;
+ mdelay(1);
+ }
+
+ if (i >= 100)
+ return -EIO;
+
+ return 0;
+}
+
+/*
+ * On the RTL838x SoCs, the internal SerDes is accessed through direct access to
+ * standard PHY registers, where a 32 bit register holds a 16 bit word as found
+ * in a standard page 0 of a PHY
+ */
+int rtl838x_read_sds_phy(int phy_addr, int phy_reg)
+{
+ int offset = 0;
+ u32 val;
+
+ if (phy_addr == 26)
+ offset = 0x100;
+ val = sw_r32(RTL838X_SDS4_FIB_REG0 + offset + (phy_reg << 2)) & 0xffff;
+
+ return val;
+}
+
+int rtl839x_write_sds_phy(int phy_addr, int phy_reg, u16 v)
+{
+ int offset = 0;
+ int reg;
+ u32 val;
+
+ if (phy_addr == 49)
+ offset = 0x100;
+
+ reg = (phy_reg << 1) & 0xfc;
+ val = v;
+ if (phy_reg & 1) {
+ val = val << 16;
+ sw_w32_mask(0xffff0000, val,
+ RTL839X_SDS12_13_XSG0 + offset + 0x80 + reg);
+ } else {
+ sw_w32_mask(0xffff, val,
+ RTL839X_SDS12_13_XSG0 + offset + 0x80 + reg);
+ }
+
+ return 0;
+}
+
+/* Read the link and speed status of the 2 internal SGMII/1000Base-X
+ * ports of the RTL838x SoCs
+ */
+static int rtl8380_read_status(struct phy_device *phydev)
+{
+ int err;
+
+ err = genphy_read_status(phydev);
+
+ if (phydev->link) {
+ phydev->speed = SPEED_1000;
+ phydev->duplex = DUPLEX_FULL;
+ }
+
+ return err;
+}
+
+/* Read the link and speed status of the 2 internal SGMII/1000Base-X
+ * ports of the RTL8393 SoC
+ */
+static int rtl8393_read_status(struct phy_device *phydev)
+{
+ int offset = 0;
+ int err;
+ int phy_addr = phydev->mdio.addr;
+ u32 v;
+
+ err = genphy_read_status(phydev);
+ if (phy_addr == 49)
+ offset = 0x100;
+
+ if (phydev->link) {
+ phydev->speed = SPEED_100;
+ /* Read SPD_RD_00 (bit 13) and SPD_RD_01 (bit 6) out of the internal
+ * PHY registers
+ */
+ v = sw_r32(RTL839X_SDS12_13_XSG0 + offset + 0x80);
+ if (!(v & (1 << 13)) && (v & (1 << 6)))
+ phydev->speed = SPEED_1000;
+ phydev->duplex = DUPLEX_FULL;
+ }
+
+ return err;
+}
+
+static int rtl8226_read_page(struct phy_device *phydev)
+{
+ return __phy_read(phydev, 0x1f);
+}
+
+static int rtl8226_write_page(struct phy_device *phydev, int page)
+{
+ return __phy_write(phydev, 0x1f, page);
+}
+
+static int rtl8226_read_status(struct phy_device *phydev)
+{
+ int ret = 0, i;
+ u32 val;
+ int port = phydev->mdio.addr;
+
+// TODO: ret = genphy_read_status(phydev);
+// if (ret < 0) {
+// pr_info("%s: genphy_read_status failed\n", __func__);
+// return ret;
+// }
+
+ // Link status must be read twice
+ for (i = 0; i < 2; i++) {
+ read_mmd_phy(port, MMD_VEND2, 0xA402, &val);
+ }
+ phydev->link = val & BIT(2) ? 1 : 0;
+ if (!phydev->link)
+ goto out;
+
+ // Read duplex status
+ ret = read_mmd_phy(port, MMD_VEND2, 0xA434, &val);
+ if (ret)
+ goto out;
+ phydev->duplex = !!(val & BIT(3));
+
+ // Read speed
+ ret = read_mmd_phy(port, MMD_VEND2, 0xA434, &val);
+ switch (val & 0x0630) {
+ case 0x0000:
+ phydev->speed = SPEED_10;
+ break;
+ case 0x0010:
+ phydev->speed = SPEED_100;
+ break;
+ case 0x0020:
+ phydev->speed = SPEED_1000;
+ break;
+ case 0x0200:
+ phydev->speed = SPEED_10000;
+ break;
+ case 0x0210:
+ phydev->speed = SPEED_2500;
+ break;
+ case 0x0220:
+ phydev->speed = SPEED_5000;
+ break;
+ default:
+ break;
+ }
+out:
+ return ret;
+}
+
+static int rtl8226_advertise_aneg(struct phy_device *phydev)
+{
+ int ret = 0;
+ u32 v;
+ int port = phydev->mdio.addr;
+
+ pr_info("In %s\n", __func__);
+
+ ret = read_mmd_phy(port, MMD_AN, 16, &v);
+ if (ret)
+ goto out;
+
+ v |= BIT(5); // HD 10M
+ v |= BIT(6); // FD 10M
+ v |= BIT(7); // HD 100M
+ v |= BIT(8); // FD 100M
+
+ ret = write_mmd_phy(port, MMD_AN, 16, v);
+
+ // Allow 1GBit
+ ret = read_mmd_phy(port, MMD_VEND2, 0xA412, &v);
+ if (ret)
+ goto out;
+ v |= BIT(9); // FD 1000M
+
+ ret = write_mmd_phy(port, MMD_VEND2, 0xA412, v);
+ if (ret)
+ goto out;
+
+ // Allow 2.5G
+ ret = read_mmd_phy(port, MMD_AN, 32, &v);
+ if (ret)
+ goto out;
+
+ v |= BIT(7);
+ ret = write_mmd_phy(port, MMD_AN, 32, v);
+
+out:
+ return ret;
+}
+
+static int rtl8226_config_aneg(struct phy_device *phydev)
+{
+ int ret = 0;
+ u32 v;
+ int port = phydev->mdio.addr;
+
+ pr_info("In %s\n", __func__);
+ if (phydev->autoneg == AUTONEG_ENABLE) {
+ ret = rtl8226_advertise_aneg(phydev);
+ if (ret)
+ goto out;
+ // AutoNegotiationEnable
+ ret = read_mmd_phy(port, MMD_AN, 0, &v);
+ if (ret)
+ goto out;
+
+ v |= BIT(12); // Enable AN
+ ret = write_mmd_phy(port, MMD_AN, 0, v);
+ if (ret)
+ goto out;
+
+ // RestartAutoNegotiation
+ ret = read_mmd_phy(port, MMD_VEND2, 0xA400, &v);
+ if (ret)
+ goto out;
+ v |= BIT(9);
+
+ ret = write_mmd_phy(port, MMD_VEND2, 0xA400, v);
+ }
+
+ pr_info("%s: Ret is already: %d\n", __func__, ret);
+// TODO: ret = __genphy_config_aneg(phydev, ret);
+
+out:
+ pr_info("%s: And ret is now: %d\n", __func__, ret);
+ return ret;
+}
+
+static int rtl8226_get_eee(struct phy_device *phydev,
+ struct ethtool_eee *e)
+{
+ u32 val;
+ int addr = phydev->mdio.addr;
+
+ pr_debug("In %s, port %d, was enabled: %d\n", __func__, addr, e->eee_enabled);
+
+ read_mmd_phy(addr, MMD_AN, 60, &val);
+ if (e->eee_enabled) {
+ e->eee_enabled = !!(val & BIT(1));
+ if (!e->eee_enabled) {
+ read_mmd_phy(addr, MMD_AN, 62, &val);
+ e->eee_enabled = !!(val & BIT(0));
+ }
+ }
+ pr_debug("%s: enabled: %d\n", __func__, e->eee_enabled);
+
+ return 0;
+}
+
+static int rtl8226_set_eee(struct phy_device *phydev, struct ethtool_eee *e)
+{
+ int port = phydev->mdio.addr;
+ u64 poll_state;
+ bool an_enabled;
+ u32 val;
+
+ pr_info("In %s, port %d, enabled %d\n", __func__, port, e->eee_enabled);
+
+ poll_state = disable_polling(port);
+
+ // Remember aneg state
+ read_mmd_phy(port, MMD_AN, 0, &val);
+ an_enabled = !!(val & BIT(12));
+
+ // Setup 100/1000MBit
+ read_mmd_phy(port, MMD_AN, 60, &val);
+ if (e->eee_enabled)
+ val |= 0x6;
+ else
+ val &= 0x6;
+ write_mmd_phy(port, MMD_AN, 60, val);
+
+ // Setup 2.5GBit
+ read_mmd_phy(port, MMD_AN, 62, &val);
+ if (e->eee_enabled)
+ val |= 0x1;
+ else
+ val &= 0x1;
+ write_mmd_phy(port, MMD_AN, 62, val);
+
+ // RestartAutoNegotiation
+ read_mmd_phy(port, MMD_VEND2, 0xA400, &val);
+ val |= BIT(9);
+ write_mmd_phy(port, MMD_VEND2, 0xA400, val);
+
+ resume_polling(poll_state);
+
+ return 0;
+}
+
+static struct fw_header *rtl838x_request_fw(struct phy_device *phydev,
+ const struct firmware *fw,
+ const char *name)
+{
+ struct device *dev = &phydev->mdio.dev;
+ int err;
+ struct fw_header *h;
+ uint32_t checksum, my_checksum;
+
+ err = request_firmware(&fw, name, dev);
+ if (err < 0)
+ goto out;
+
+ if (fw->size < sizeof(struct fw_header)) {
+ pr_err("Firmware size too small.\n");
+ err = -EINVAL;
+ goto out;
+ }
+
+ h = (struct fw_header *) fw->data;
+ pr_info("Firmware loaded. Size %d, magic: %08x\n", fw->size, h->magic);
+
+ if (h->magic != 0x83808380) {
+ pr_err("Wrong firmware file: MAGIC mismatch.\n");
+ goto out;
+ }
+
+ checksum = h->checksum;
+ h->checksum = 0;
+ my_checksum = ~crc32(0xFFFFFFFFU, fw->data, fw->size);
+ if (checksum != my_checksum) {
+ pr_err("Firmware checksum mismatch.\n");
+ err = -EINVAL;
+ goto out;
+ }
+ h->checksum = checksum;
+
+ return h;
+out:
+ dev_err(dev, "Unable to load firmware %s (%d)\n", name, err);
+ return NULL;
+}
+
+static int rtl8390_configure_generic(struct phy_device *phydev)
+{
+ u32 val, phy_id;
+ int mac = phydev->mdio.addr;
+
+ read_phy(mac, 0, 2, &val);
+ phy_id = val << 16;
+ read_phy(mac, 0, 3, &val);
+ phy_id |= val;
+ pr_debug("Phy on MAC %d: %x\n", mac, phy_id);
+
+ /* Read internal PHY ID */
+ write_phy(mac, 31, 27, 0x0002);
+ read_phy(mac, 31, 28, &val);
+
+ /* Internal RTL8218B, version 2 */
+ phydev_info(phydev, "Detected unknown %x\n", val);
+ return 0;
+}
+
+static int rtl8380_configure_int_rtl8218b(struct phy_device *phydev)
+{
+ u32 val, phy_id;
+ int i, p, ipd_flag;
+ int mac = phydev->mdio.addr;
+ struct fw_header *h;
+ u32 *rtl838x_6275B_intPhy_perport;
+ u32 *rtl8218b_6276B_hwEsd_perport;
+
+
+ read_phy(mac, 0, 2, &val);
+ phy_id = val << 16;
+ read_phy(mac, 0, 3, &val);
+ phy_id |= val;
+ pr_debug("Phy on MAC %d: %x\n", mac, phy_id);
+
+ /* Read internal PHY ID */
+ write_phy(mac, 31, 27, 0x0002);
+ read_phy(mac, 31, 28, &val);
+ if (val != 0x6275) {
+ phydev_err(phydev, "Expected internal RTL8218B, found PHY-ID %x\n", val);
+ return -1;
+ }
+
+ /* Internal RTL8218B, version 2 */
+ phydev_info(phydev, "Detected internal RTL8218B\n");
+
+ h = rtl838x_request_fw(phydev, &rtl838x_8380_fw, FIRMWARE_838X_8380_1);
+ if (!h)
+ return -1;
+
+ if (h->phy != 0x83800000) {
+ phydev_err(phydev, "Wrong firmware file: PHY mismatch.\n");
+ return -1;
+ }
+
+ rtl838x_6275B_intPhy_perport = (void *)h + sizeof(struct fw_header)
+ + h->parts[8].start;
+
+ rtl8218b_6276B_hwEsd_perport = (void *)h + sizeof(struct fw_header)
+ + h->parts[9].start;
+
+ if (sw_r32(RTL838X_DMY_REG31) == 0x1)
+ ipd_flag = 1;
+
+ read_phy(mac, 0, 0, &val);
+ if (val & (1 << 11))
+ rtl8380_int_phy_on_off(mac, true);
+ else
+ rtl8380_phy_reset(mac);
+ msleep(100);
+
+ /* Ready PHY for patch */
+ for (p = 0; p < 8; p++) {
+ write_phy(mac + p, 0xfff, 0x1f, 0x0b82);
+ write_phy(mac + p, 0xfff, 0x10, 0x0010);
+ }
+ msleep(500);
+ for (p = 0; p < 8; p++) {
+ for (i = 0; i < 100 ; i++) {
+ read_phy(mac + p, 0x0b80, 0x10, &val);
+ if (val & 0x40)
+ break;
+ }
+ if (i >= 100) {
+ phydev_err(phydev,
+ "ERROR: Port %d not ready for patch.\n",
+ mac + p);
+ return -1;
+ }
+ }
+ for (p = 0; p < 8; p++) {
+ i = 0;
+ while (rtl838x_6275B_intPhy_perport[i * 2]) {
+ write_phy(mac + p, 0xfff,
+ rtl838x_6275B_intPhy_perport[i * 2],
+ rtl838x_6275B_intPhy_perport[i * 2 + 1]);
+ i++;
+ }
+ i = 0;
+ while (rtl8218b_6276B_hwEsd_perport[i * 2]) {
+ write_phy(mac + p, 0xfff,
+ rtl8218b_6276B_hwEsd_perport[i * 2],
+ rtl8218b_6276B_hwEsd_perport[i * 2 + 1]);
+ i++;
+ }
+ }
+ return 0;
+}
+
+static int rtl8380_configure_ext_rtl8218b(struct phy_device *phydev)
+{
+ u32 val, ipd, phy_id;
+ int i, l;
+ int mac = phydev->mdio.addr;
+ struct fw_header *h;
+ u32 *rtl8380_rtl8218b_perchip;
+ u32 *rtl8218B_6276B_rtl8380_perport;
+ u32 *rtl8380_rtl8218b_perport;
+
+ if (soc_info.family == RTL8380_FAMILY_ID && mac != 0 && mac != 16) {
+ phydev_err(phydev, "External RTL8218B must have PHY-IDs 0 or 16!\n");
+ return -1;
+ }
+ read_phy(mac, 0, 2, &val);
+ phy_id = val << 16;
+ read_phy(mac, 0, 3, &val);
+ phy_id |= val;
+ pr_info("Phy on MAC %d: %x\n", mac, phy_id);
+
+ /* Read internal PHY ID */
+ write_phy(mac, 31, 27, 0x0002);
+ read_phy(mac, 31, 28, &val);
+ if (val != 0x6276) {
+ phydev_err(phydev, "Expected external RTL8218B, found PHY-ID %x\n", val);
+ return -1;
+ }
+ phydev_info(phydev, "Detected external RTL8218B\n");
+
+ h = rtl838x_request_fw(phydev, &rtl838x_8218b_fw, FIRMWARE_838X_8218b_1);
+ if (!h)
+ return -1;
+
+ if (h->phy != 0x8218b000) {
+ phydev_err(phydev, "Wrong firmware file: PHY mismatch.\n");
+ return -1;
+ }
+
+ rtl8380_rtl8218b_perchip = (void *)h + sizeof(struct fw_header)
+ + h->parts[0].start;
+
+ rtl8218B_6276B_rtl8380_perport = (void *)h + sizeof(struct fw_header)
+ + h->parts[1].start;
+
+ rtl8380_rtl8218b_perport = (void *)h + sizeof(struct fw_header)
+ + h->parts[2].start;
+
+ read_phy(mac, 0, 0, &val);
+ if (val & (1 << 11))
+ rtl8380_int_phy_on_off(mac, true);
+ else
+ rtl8380_phy_reset(mac);
+ msleep(100);
+
+ /* Get Chip revision */
+ write_phy(mac, 0xfff, 0x1f, 0x0);
+ write_phy(mac, 0xfff, 0x1b, 0x4);
+ read_phy(mac, 0xfff, 0x1c, &val);
+
+ i = 0;
+ while (rtl8380_rtl8218b_perchip[i * 3]
+ && rtl8380_rtl8218b_perchip[i * 3 + 1]) {
+ write_phy(mac + rtl8380_rtl8218b_perchip[i * 3],
+ 0xfff, rtl8380_rtl8218b_perchip[i * 3 + 1],
+ rtl8380_rtl8218b_perchip[i * 3 + 2]);
+ i++;
+ }
+
+ /* Enable PHY */
+ for (i = 0; i < 8; i++) {
+ write_phy(mac + i, 0xfff, 0x1f, 0x0000);
+ write_phy(mac + i, 0xfff, 0x00, 0x1140);
+ }
+ mdelay(100);
+
+ /* Request patch */
+ for (i = 0; i < 8; i++) {
+ write_phy(mac + i, 0xfff, 0x1f, 0x0b82);
+ write_phy(mac + i, 0xfff, 0x10, 0x0010);
+ }
+ mdelay(300);
+
+ /* Verify patch readiness */
+ for (i = 0; i < 8; i++) {
+ for (l = 0; l < 100; l++) {
+ read_phy(mac + i, 0xb80, 0x10, &val);
+ if (val & 0x40)
+ break;
+ }
+ if (l >= 100) {
+ phydev_err(phydev, "Could not patch PHY\n");
+ return -1;
+ }
+ }
+
+ /* Use Broadcast ID method for patching */
+ write_phy(mac, 0xfff, 0x1f, 0x0000);
+ write_phy(mac, 0xfff, 0x1d, 0x0008);
+ write_phy(mac, 0xfff, 0x1f, 0x0266);
+ write_phy(mac, 0xfff, 0x16, 0xff00 + mac);
+ write_phy(mac, 0xfff, 0x1f, 0x0000);
+ write_phy(mac, 0xfff, 0x1d, 0x0000);
+ mdelay(1);
+
+ write_phy(mac, 0xfff, 30, 8);
+ write_phy(mac, 0x26e, 17, 0xb);
+ write_phy(mac, 0x26e, 16, 0x2);
+ mdelay(1);
+ read_phy(mac, 0x26e, 19, &ipd);
+ write_phy(mac, 0, 30, 0);
+ ipd = (ipd >> 4) & 0xf;
+
+ i = 0;
+ while (rtl8218B_6276B_rtl8380_perport[i * 2]) {
+ write_phy(mac, 0xfff, rtl8218B_6276B_rtl8380_perport[i * 2],
+ rtl8218B_6276B_rtl8380_perport[i * 2 + 1]);
+ i++;
+ }
+
+ /*Disable broadcast ID*/
+ write_phy(mac, 0xfff, 0x1f, 0x0000);
+ write_phy(mac, 0xfff, 0x1d, 0x0008);
+ write_phy(mac, 0xfff, 0x1f, 0x0266);
+ write_phy(mac, 0xfff, 0x16, 0x00 + mac);
+ write_phy(mac, 0xfff, 0x1f, 0x0000);
+ write_phy(mac, 0xfff, 0x1d, 0x0000);
+ mdelay(1);
+
+ return 0;
+}
+
+static int rtl8218b_ext_match_phy_device(struct phy_device *phydev)
+{
+ int addr = phydev->mdio.addr;
+
+ /* Both the RTL8214FC and the external RTL8218B have the same
+ * PHY ID. On the RTL838x, the RTL8218B can only be attached_dev
+ * at PHY IDs 0-7, while the RTL8214FC must be attached via
+ * the pair of SGMII/1000Base-X with higher PHY-IDs
+ */
+ if (soc_info.family == RTL8380_FAMILY_ID)
+ return phydev->phy_id == PHY_ID_RTL8218B_E && addr < 8;
+ else
+ return phydev->phy_id == PHY_ID_RTL8218B_E;
+}
+
+static int rtl8218b_read_mmd(struct phy_device *phydev,
+ int devnum, u16 regnum)
+{
+ int ret;
+ u32 val;
+ int addr = phydev->mdio.addr;
+
+ ret = read_mmd_phy(addr, devnum, regnum, &val);
+ if (ret)
+ return ret;
+ return val;
+}
+
+static int rtl8218b_write_mmd(struct phy_device *phydev,
+ int devnum, u16 regnum, u16 val)
+{
+ int addr = phydev->mdio.addr;
+
+ return rtl838x_write_mmd_phy(addr, devnum, regnum, val);
+}
+
+static int rtl8226_read_mmd(struct phy_device *phydev, int devnum, u16 regnum)
+{
+ int port = phydev->mdio.addr; // the SoC translates port addresses to PHY addr
+ int err;
+ u32 val;
+
+ err = read_mmd_phy(port, devnum, regnum, &val);
+ if (err)
+ return err;
+ return val;
+}
+
+static int rtl8226_write_mmd(struct phy_device *phydev, int devnum, u16 regnum, u16 val)
+{
+ int port = phydev->mdio.addr; // the SoC translates port addresses to PHY addr
+
+ return write_mmd_phy(port, devnum, regnum, val);
+}
+
+static void rtl8380_rtl8214fc_media_set(int mac, bool set_fibre)
+{
+ int base = mac - (mac % 4);
+ static int reg[] = {16, 19, 20, 21};
+ int val, media, power;
+
+ pr_info("%s: port %d, set_fibre: %d\n", __func__, mac, set_fibre);
+ write_phy(base, 0xfff, 29, 8);
+ read_phy(base, 0x266, reg[mac % 4], &val);
+
+ media = (val >> 10) & 0x3;
+ pr_info("Current media %x\n", media);
+ if (media & 0x2) {
+ pr_info("Powering off COPPER\n");
+ write_phy(base, 0xfff, 29, 1);
+ /* Ensure power is off */
+ read_phy(base, 0xa40, 16, &power);
+ if (!(power & (1 << 11)))
+ write_phy(base, 0xa40, 16, power | (1 << 11));
+ } else {
+ pr_info("Powering off FIBRE");
+ write_phy(base, 0xfff, 29, 3);
+ /* Ensure power is off */
+ read_phy(base, 0xa40, 16, &power);
+ if (!(power & (1 << 11)))
+ write_phy(base, 0xa40, 16, power | (1 << 11));
+ }
+
+ if (set_fibre) {
+ val |= 1 << 10;
+ val &= ~(1 << 11);
+ } else {
+ val |= 1 << 10;
+ val |= 1 << 11;
+ }
+ write_phy(base, 0xfff, 29, 8);
+ write_phy(base, 0x266, reg[mac % 4], val);
+ write_phy(base, 0xfff, 29, 0);
+
+ if (set_fibre) {
+ pr_info("Powering on FIBRE");
+ write_phy(base, 0xfff, 29, 3);
+ /* Ensure power is off */
+ read_phy(base, 0xa40, 16, &power);
+ if (power & (1 << 11))
+ write_phy(base, 0xa40, 16, power & ~(1 << 11));
+ } else {
+ pr_info("Powering on COPPER\n");
+ write_phy(base, 0xfff, 29, 1);
+ /* Ensure power is off */
+ read_phy(base, 0xa40, 16, &power);
+ if (power & (1 << 11))
+ write_phy(base, 0xa40, 16, power & ~(1 << 11));
+ }
+
+ write_phy(base, 0xfff, 29, 0);
+}
+
+static bool rtl8380_rtl8214fc_media_is_fibre(int mac)
+{
+ int base = mac - (mac % 4);
+ static int reg[] = {16, 19, 20, 21};
+ u32 val;
+
+ write_phy(base, 0xfff, 29, 8);
+ read_phy(base, 0x266, reg[mac % 4], &val);
+ write_phy(base, 0xfff, 29, 0);
+ if (val & (1 << 11))
+ return false;
+ return true;
+}
+
+static int rtl8214fc_set_port(struct phy_device *phydev, int port)
+{
+ bool is_fibre = (port == PORT_FIBRE ? true : false);
+ int addr = phydev->mdio.addr;
+
+ pr_debug("%s port %d to %d\n", __func__, addr, port);
+
+ rtl8380_rtl8214fc_media_set(addr, is_fibre);
+ return 0;
+}
+
+static int rtl8214fc_get_port(struct phy_device *phydev)
+{
+ int addr = phydev->mdio.addr;
+
+ pr_debug("%s: port %d\n", __func__, addr);
+ if (rtl8380_rtl8214fc_media_is_fibre(addr))
+ return PORT_FIBRE;
+ return PORT_MII;
+}
+
+/*
+ * Enable EEE on the RTL8218B PHYs
+ * The method used is not the preferred way (which would be based on the MAC-EEE state,
+ * but the only way that works since the kernel first enables EEE in the MAC
+ * and then sets up the PHY. The MAC-based approach would require the oppsite.
+ */
+void rtl8218d_eee_set(int port, bool enable)
+{
+ u32 val;
+ bool an_enabled;
+
+ pr_debug("In %s %d, enable %d\n", __func__, port, enable);
+ /* Set GPHY page to copper */
+ write_phy(port, 0xa42, 30, 0x0001);
+
+ read_phy(port, 0, 0, &val);
+ an_enabled = val & BIT(12);
+
+ /* Enable 100M (bit 1) / 1000M (bit 2) EEE */
+ read_mmd_phy(port, 7, 60, &val);
+ val |= BIT(2) | BIT(1);
+ write_mmd_phy(port, 7, 60, enable ? 0x6 : 0);
+
+ /* 500M EEE ability */
+ read_phy(port, 0xa42, 20, &val);
+ if (enable)
+ val |= BIT(7);
+ else
+ val &= ~BIT(7);
+ write_phy(port, 0xa42, 20, val);
+
+ /* Restart AN if enabled */
+ if (an_enabled) {
+ read_phy(port, 0, 0, &val);
+ val |= BIT(9);
+ write_phy(port, 0, 0, val);
+ }
+
+ /* GPHY page back to auto*/
+ write_phy(port, 0xa42, 30, 0);
+}
+
+static int rtl8218b_get_eee(struct phy_device *phydev,
+ struct ethtool_eee *e)
+{
+ u32 val;
+ int addr = phydev->mdio.addr;
+
+ pr_debug("In %s, port %d, was enabled: %d\n", __func__, addr, e->eee_enabled);
+
+ /* Set GPHY page to copper */
+ write_phy(addr, 0xa42, 29, 0x0001);
+
+ read_phy(addr, 7, 60, &val);
+ if (e->eee_enabled) {
+ // Verify vs MAC-based EEE
+ e->eee_enabled = !!(val & BIT(7));
+ if (!e->eee_enabled) {
+ read_phy(addr, 0x0A43, 25, &val);
+ e->eee_enabled = !!(val & BIT(4));
+ }
+ }
+ pr_debug("%s: enabled: %d\n", __func__, e->eee_enabled);
+
+ /* GPHY page to auto */
+ write_phy(addr, 0xa42, 29, 0x0000);
+
+ return 0;
+}
+
+static int rtl8218d_get_eee(struct phy_device *phydev,
+ struct ethtool_eee *e)
+{
+ u32 val;
+ int addr = phydev->mdio.addr;
+
+ pr_debug("In %s, port %d, was enabled: %d\n", __func__, addr, e->eee_enabled);
+
+ /* Set GPHY page to copper */
+ write_phy(addr, 0xa42, 30, 0x0001);
+
+ read_phy(addr, 7, 60, &val);
+ if (e->eee_enabled)
+ e->eee_enabled = !!(val & BIT(7));
+ pr_debug("%s: enabled: %d\n", __func__, e->eee_enabled);
+
+ /* GPHY page to auto */
+ write_phy(addr, 0xa42, 30, 0x0000);
+
+ return 0;
+}
+
+static int rtl8214fc_set_eee(struct phy_device *phydev,
+ struct ethtool_eee *e)
+{
+ u32 poll_state;
+ int port = phydev->mdio.addr;
+ bool an_enabled;
+ u32 val;
+
+ pr_debug("In %s port %d, enabled %d\n", __func__, port, e->eee_enabled);
+
+ if (rtl8380_rtl8214fc_media_is_fibre(port)) {
+ netdev_err(phydev->attached_dev, "Port %d configured for FIBRE", port);
+ return -ENOTSUPP;
+ }
+
+ poll_state = disable_polling(port);
+
+ /* Set GPHY page to copper */
+ write_phy(port, 0xa42, 29, 0x0001);
+
+ // Get auto-negotiation status
+ read_phy(port, 0, 0, &val);
+ an_enabled = val & BIT(12);
+
+ pr_info("%s: aneg: %d\n", __func__, an_enabled);
+ read_phy(port, 0x0A43, 25, &val);
+ val &= ~BIT(5); // Use MAC-based EEE
+ write_phy(port, 0x0A43, 25, val);
+
+ /* Enable 100M (bit 1) / 1000M (bit 2) EEE */
+ write_phy(port, 7, 60, e->eee_enabled ? 0x6 : 0);
+
+ /* 500M EEE ability */
+ read_phy(port, 0xa42, 20, &val);
+ if (e->eee_enabled)
+ val |= BIT(7);
+ else
+ val &= ~BIT(7);
+ write_phy(port, 0xa42, 20, val);
+
+ /* Restart AN if enabled */
+ if (an_enabled) {
+ pr_info("%s: doing aneg\n", __func__);
+ read_phy(port, 0, 0, &val);
+ val |= BIT(9);
+ write_phy(port, 0, 0, val);
+ }
+
+ /* GPHY page back to auto*/
+ write_phy(port, 0xa42, 29, 0);
+
+ resume_polling(poll_state);
+
+ return 0;
+}
+
+static int rtl8214fc_get_eee(struct phy_device *phydev,
+ struct ethtool_eee *e)
+{
+ int addr = phydev->mdio.addr;
+
+ pr_debug("In %s port %d, enabled %d\n", __func__, addr, e->eee_enabled);
+ if (rtl8380_rtl8214fc_media_is_fibre(addr)) {
+ netdev_err(phydev->attached_dev, "Port %d configured for FIBRE", addr);
+ return -ENOTSUPP;
+ }
+
+ return rtl8218b_get_eee(phydev, e);
+}
+
+static int rtl8218b_set_eee(struct phy_device *phydev, struct ethtool_eee *e)
+{
+ int port = phydev->mdio.addr;
+ u64 poll_state;
+ u32 val;
+ bool an_enabled;
+
+ pr_info("In %s, port %d, enabled %d\n", __func__, port, e->eee_enabled);
+
+ poll_state = disable_polling(port);
+
+ /* Set GPHY page to copper */
+ write_phy(port, 0, 30, 0x0001);
+ read_phy(port, 0, 0, &val);
+ an_enabled = val & BIT(12);
+
+ if (e->eee_enabled) {
+ /* 100/1000M EEE Capability */
+ write_phy(port, 0, 13, 0x0007);
+ write_phy(port, 0, 14, 0x003C);
+ write_phy(port, 0, 13, 0x4007);
+ write_phy(port, 0, 14, 0x0006);
+
+ read_phy(port, 0x0A43, 25, &val);
+ val |= BIT(4);
+ write_phy(port, 0x0A43, 25, val);
+ } else {
+ /* 100/1000M EEE Capability */
+ write_phy(port, 0, 13, 0x0007);
+ write_phy(port, 0, 14, 0x003C);
+ write_phy(port, 0, 13, 0x0007);
+ write_phy(port, 0, 14, 0x0000);
+
+ read_phy(port, 0x0A43, 25, &val);
+ val &= ~BIT(4);
+ write_phy(port, 0x0A43, 25, val);
+ }
+
+ /* Restart AN if enabled */
+ if (an_enabled) {
+ read_phy(port, 0, 0, &val);
+ val |= BIT(9);
+ write_phy(port, 0, 0, val);
+ }
+
+ /* GPHY page back to auto*/
+ write_phy(port, 0xa42, 30, 0);
+
+ pr_info("%s done\n", __func__);
+ resume_polling(poll_state);
+
+ return 0;
+}
+
+static int rtl8218d_set_eee(struct phy_device *phydev, struct ethtool_eee *e)
+{
+ int addr = phydev->mdio.addr;
+ u64 poll_state;
+
+ pr_info("In %s, port %d, enabled %d\n", __func__, addr, e->eee_enabled);
+
+ poll_state = disable_polling(addr);
+
+ rtl8218d_eee_set(addr, (bool) e->eee_enabled);
+
+ resume_polling(poll_state);
+
+ return 0;
+}
+
+static int rtl8214c_match_phy_device(struct phy_device *phydev)
+{
+ return phydev->phy_id == PHY_ID_RTL8214C;
+}
+
+static int rtl8380_configure_rtl8214c(struct phy_device *phydev)
+{
+ u32 phy_id, val;
+ int mac = phydev->mdio.addr;
+
+ read_phy(mac, 0, 2, &val);
+ phy_id = val << 16;
+ read_phy(mac, 0, 3, &val);
+ phy_id |= val;
+ pr_debug("Phy on MAC %d: %x\n", mac, phy_id);
+
+ phydev_info(phydev, "Detected external RTL8214C\n");
+
+ /* GPHY auto conf */
+ write_phy(mac, 0xa42, 29, 0);
+ return 0;
+}
+
+static int rtl8380_configure_rtl8214fc(struct phy_device *phydev)
+{
+ u32 phy_id, val, page = 0;
+ int i, l;
+ int mac = phydev->mdio.addr;
+ struct fw_header *h;
+ u32 *rtl8380_rtl8214fc_perchip;
+ u32 *rtl8380_rtl8214fc_perport;
+
+ read_phy(mac, 0, 2, &val);
+ phy_id = val << 16;
+ read_phy(mac, 0, 3, &val);
+ phy_id |= val;
+ pr_debug("Phy on MAC %d: %x\n", mac, phy_id);
+
+ /* Read internal PHY id */
+ write_phy(mac, 0, 30, 0x0001);
+ write_phy(mac, 0, 31, 0x0a42);
+ write_phy(mac, 31, 27, 0x0002);
+ read_phy(mac, 31, 28, &val);
+ if (val != 0x6276) {
+ phydev_err(phydev, "Expected external RTL8214FC, found PHY-ID %x\n", val);
+ return -1;
+ }
+ phydev_info(phydev, "Detected external RTL8214FC\n");
+
+ h = rtl838x_request_fw(phydev, &rtl838x_8214fc_fw, FIRMWARE_838X_8214FC_1);
+ if (!h)
+ return -1;
+
+ if (h->phy != 0x8214fc00) {
+ phydev_err(phydev, "Wrong firmware file: PHY mismatch.\n");
+ return -1;
+ }
+
+ rtl8380_rtl8214fc_perchip = (void *)h + sizeof(struct fw_header)
+ + h->parts[0].start;
+
+ rtl8380_rtl8214fc_perport = (void *)h + sizeof(struct fw_header)
+ + h->parts[1].start;
+
+ /* detect phy version */
+ write_phy(mac, 0xfff, 27, 0x0004);
+ read_phy(mac, 0xfff, 28, &val);
+
+ read_phy(mac, 0, 16, &val);
+ if (val & (1 << 11))
+ rtl8380_rtl8214fc_on_off(mac, true);
+ else
+ rtl8380_phy_reset(mac);
+
+ msleep(100);
+ write_phy(mac, 0, 30, 0x0001);
+
+ i = 0;
+ while (rtl8380_rtl8214fc_perchip[i * 3]
+ && rtl8380_rtl8214fc_perchip[i * 3 + 1]) {
+ if (rtl8380_rtl8214fc_perchip[i * 3 + 1] == 0x1f)
+ page = rtl8380_rtl8214fc_perchip[i * 3 + 2];
+ if (rtl8380_rtl8214fc_perchip[i * 3 + 1] == 0x13 && page == 0x260) {
+ read_phy(mac + rtl8380_rtl8214fc_perchip[i * 3], 0x260, 13, &val);
+ val = (val & 0x1f00) | (rtl8380_rtl8214fc_perchip[i * 3 + 2]
+ & 0xe0ff);
+ write_phy(mac + rtl8380_rtl8214fc_perchip[i * 3],
+ 0xfff, rtl8380_rtl8214fc_perchip[i * 3 + 1], val);
+ } else {
+ write_phy(mac + rtl8380_rtl8214fc_perchip[i * 3],
+ 0xfff, rtl8380_rtl8214fc_perchip[i * 3 + 1],
+ rtl8380_rtl8214fc_perchip[i * 3 + 2]);
+ }
+ i++;
+ }
+
+ /* Force copper medium */
+ for (i = 0; i < 4; i++) {
+ write_phy(mac + i, 0xfff, 0x1f, 0x0000);
+ write_phy(mac + i, 0xfff, 0x1e, 0x0001);
+ }
+
+ /* Enable PHY */
+ for (i = 0; i < 4; i++) {
+ write_phy(mac + i, 0xfff, 0x1f, 0x0000);
+ write_phy(mac + i, 0xfff, 0x00, 0x1140);
+ }
+ mdelay(100);
+
+ /* Disable Autosensing */
+ for (i = 0; i < 4; i++) {
+ for (l = 0; l < 100; l++) {
+ read_phy(mac + i, 0x0a42, 0x10, &val);
+ if ((val & 0x7) >= 3)
+ break;
+ }
+ if (l >= 100) {
+ phydev_err(phydev, "Could not disable autosensing\n");
+ return -1;
+ }
+ }
+
+ /* Request patch */
+ for (i = 0; i < 4; i++) {
+ write_phy(mac + i, 0xfff, 0x1f, 0x0b82);
+ write_phy(mac + i, 0xfff, 0x10, 0x0010);
+ }
+ mdelay(300);
+
+ /* Verify patch readiness */
+ for (i = 0; i < 4; i++) {
+ for (l = 0; l < 100; l++) {
+ read_phy(mac + i, 0xb80, 0x10, &val);
+ if (val & 0x40)
+ break;
+ }
+ if (l >= 100) {
+ phydev_err(phydev, "Could not patch PHY\n");
+ return -1;
+ }
+ }
+
+ /* Use Broadcast ID method for patching */
+ write_phy(mac, 0xfff, 0x1f, 0x0000);
+ write_phy(mac, 0xfff, 0x1d, 0x0008);
+ write_phy(mac, 0xfff, 0x1f, 0x0266);
+ write_phy(mac, 0xfff, 0x16, 0xff00 + mac);
+ write_phy(mac, 0xfff, 0x1f, 0x0000);
+ write_phy(mac, 0xfff, 0x1d, 0x0000);
+ mdelay(1);
+
+ i = 0;
+ while (rtl8380_rtl8214fc_perport[i * 2]) {
+ write_phy(mac, 0xfff, rtl8380_rtl8214fc_perport[i * 2],
+ rtl8380_rtl8214fc_perport[i * 2 + 1]);
+ i++;
+ }
+
+ /*Disable broadcast ID*/
+ write_phy(mac, 0xfff, 0x1f, 0x0000);
+ write_phy(mac, 0xfff, 0x1d, 0x0008);
+ write_phy(mac, 0xfff, 0x1f, 0x0266);
+ write_phy(mac, 0xfff, 0x16, 0x00 + mac);
+ write_phy(mac, 0xfff, 0x1f, 0x0000);
+ write_phy(mac, 0xfff, 0x1d, 0x0000);
+ mdelay(1);
+
+ /* Auto medium selection */
+ for (i = 0; i < 4; i++) {
+ write_phy(mac + i, 0xfff, 0x1f, 0x0000);
+ write_phy(mac + i, 0xfff, 0x1e, 0x0000);
+ }
+
+ return 0;
+}
+
+static int rtl8214fc_match_phy_device(struct phy_device *phydev)
+{
+ int addr = phydev->mdio.addr;
+
+ return phydev->phy_id == PHY_ID_RTL8214FC && addr >= 24;
+}
+
+static int rtl8380_configure_serdes(struct phy_device *phydev)
+{
+ u32 v;
+ u32 sds_conf_value;
+ int i;
+ struct fw_header *h;
+ u32 *rtl8380_sds_take_reset;
+ u32 *rtl8380_sds_common;
+ u32 *rtl8380_sds01_qsgmii_6275b;
+ u32 *rtl8380_sds23_qsgmii_6275b;
+ u32 *rtl8380_sds4_fiber_6275b;
+ u32 *rtl8380_sds5_fiber_6275b;
+ u32 *rtl8380_sds_reset;
+ u32 *rtl8380_sds_release_reset;
+
+ phydev_info(phydev, "Detected internal RTL8380 SERDES\n");
+
+ h = rtl838x_request_fw(phydev, &rtl838x_8218b_fw, FIRMWARE_838X_8380_1);
+ if (!h)
+ return -1;
+
+ if (h->magic != 0x83808380) {
+ phydev_err(phydev, "Wrong firmware file: magic number mismatch.\n");
+ return -1;
+ }
+
+ rtl8380_sds_take_reset = (void *)h + sizeof(struct fw_header)
+ + h->parts[0].start;
+
+ rtl8380_sds_common = (void *)h + sizeof(struct fw_header)
+ + h->parts[1].start;
+
+ rtl8380_sds01_qsgmii_6275b = (void *)h + sizeof(struct fw_header)
+ + h->parts[2].start;
+
+ rtl8380_sds23_qsgmii_6275b = (void *)h + sizeof(struct fw_header)
+ + h->parts[3].start;
+
+ rtl8380_sds4_fiber_6275b = (void *)h + sizeof(struct fw_header)
+ + h->parts[4].start;
+
+ rtl8380_sds5_fiber_6275b = (void *)h + sizeof(struct fw_header)
+ + h->parts[5].start;
+
+ rtl8380_sds_reset = (void *)h + sizeof(struct fw_header)
+ + h->parts[6].start;
+
+ rtl8380_sds_release_reset = (void *)h + sizeof(struct fw_header)
+ + h->parts[7].start;
+
+ /* Back up serdes power off value */
+ sds_conf_value = sw_r32(RTL838X_SDS_CFG_REG);
+ pr_info("SDS power down value: %x\n", sds_conf_value);
+
+ /* take serdes into reset */
+ i = 0;
+ while (rtl8380_sds_take_reset[2 * i]) {
+ sw_w32(rtl8380_sds_take_reset[2 * i + 1], rtl8380_sds_take_reset[2 * i]);
+ i++;
+ udelay(1000);
+ }
+
+ /* apply common serdes patch */
+ i = 0;
+ while (rtl8380_sds_common[2 * i]) {
+ sw_w32(rtl8380_sds_common[2 * i + 1], rtl8380_sds_common[2 * i]);
+ i++;
+ udelay(1000);
+ }
+
+ /* internal R/W enable */
+ sw_w32(3, RTL838X_INT_RW_CTRL);
+
+ /* SerDes ports 4 and 5 are FIBRE ports */
+ sw_w32_mask(0x7 | 0x38, 1 | (1 << 3), RTL838X_INT_MODE_CTRL);
+
+ /* SerDes module settings, SerDes 0-3 are QSGMII */
+ v = 0x6 << 25 | 0x6 << 20 | 0x6 << 15 | 0x6 << 10;
+ /* SerDes 4 and 5 are 1000BX FIBRE */
+ v |= 0x4 << 5 | 0x4;
+ sw_w32(v, RTL838X_SDS_MODE_SEL);
+
+ pr_info("PLL control register: %x\n", sw_r32(RTL838X_PLL_CML_CTRL));
+ sw_w32_mask(0xfffffff0, 0xaaaaaaaf & 0xf, RTL838X_PLL_CML_CTRL);
+ i = 0;
+ while (rtl8380_sds01_qsgmii_6275b[2 * i]) {
+ sw_w32(rtl8380_sds01_qsgmii_6275b[2 * i + 1],
+ rtl8380_sds01_qsgmii_6275b[2 * i]);
+ i++;
+ }
+
+ i = 0;
+ while (rtl8380_sds23_qsgmii_6275b[2 * i]) {
+ sw_w32(rtl8380_sds23_qsgmii_6275b[2 * i + 1], rtl8380_sds23_qsgmii_6275b[2 * i]);
+ i++;
+ }
+
+ i = 0;
+ while (rtl8380_sds4_fiber_6275b[2 * i]) {
+ sw_w32(rtl8380_sds4_fiber_6275b[2 * i + 1], rtl8380_sds4_fiber_6275b[2 * i]);
+ i++;
+ }
+
+ i = 0;
+ while (rtl8380_sds5_fiber_6275b[2 * i]) {
+ sw_w32(rtl8380_sds5_fiber_6275b[2 * i + 1], rtl8380_sds5_fiber_6275b[2 * i]);
+ i++;
+ }
+
+ i = 0;
+ while (rtl8380_sds_reset[2 * i]) {
+ sw_w32(rtl8380_sds_reset[2 * i + 1], rtl8380_sds_reset[2 * i]);
+ i++;
+ }
+
+ i = 0;
+ while (rtl8380_sds_release_reset[2 * i]) {
+ sw_w32(rtl8380_sds_release_reset[2 * i + 1], rtl8380_sds_release_reset[2 * i]);
+ i++;
+ }
+
+ pr_info("SDS power down value now: %x\n", sw_r32(RTL838X_SDS_CFG_REG));
+ sw_w32(sds_conf_value, RTL838X_SDS_CFG_REG);
+
+ pr_info("Configuration of SERDES done\n");
+ return 0;
+}
+
+static int rtl8390_configure_serdes(struct phy_device *phydev)
+{
+ phydev_info(phydev, "Detected internal RTL8390 SERDES\n");
+
+ /* In autoneg state, force link, set SR4_CFG_EN_LINK_FIB1G */
+ sw_w32_mask(0, 1 << 18, RTL839X_SDS12_13_XSG0 + 0x0a);
+
+ /* Disable EEE: Clear FRE16_EEE_RSG_FIB1G, FRE16_EEE_STD_FIB1G,
+ * FRE16_C1_PWRSAV_EN_FIB1G, FRE16_C2_PWRSAV_EN_FIB1G
+ * and FRE16_EEE_QUIET_FIB1G
+ */
+ sw_w32_mask(0x1f << 10, 0, RTL839X_SDS12_13_XSG0 + 0xe0);
+
+ return 0;
+}
+
+int rtl9300_configure_serdes(struct phy_device *phydev)
+{
+ struct device *dev = &phydev->mdio.dev;
+ int phy_addr = phydev->mdio.addr;
+ int sds_num = 0;
+ int v;
+
+ phydev_info(phydev, "Configuring internal RTL9300 SERDES\n");
+
+ switch (phy_addr) {
+ case 26:
+ sds_num = 8;
+ break;
+ case 27:
+ sds_num = 9;
+ break;
+ default:
+ dev_err(dev, "Not a SerDes PHY\n");
+ return -EINVAL;
+ }
+
+ /* Set default Medium to fibre */
+ v = rtl930x_read_sds_phy(sds_num, 0x1f, 11);
+ if (v < 0) {
+ dev_err(dev, "Cannot access SerDes PHY %d\n", phy_addr);
+ return -EINVAL;
+ }
+ v |= BIT(2);
+ rtl930x_write_sds_phy(sds_num, 0x1f, 11, v);
+
+ // TODO: this needs to be configurable via ethtool/.dts
+ pr_info("Setting 10G/1000BX auto fibre medium\n");
+ rtl9300_sds_rst(sds_num, 0x1b);
+
+ // TODO: Apply patch set for fibre type
+
+ return 0;
+}
+
+static int rtl8214fc_phy_probe(struct phy_device *phydev)
+{
+ struct device *dev = &phydev->mdio.dev;
+ struct rtl838x_phy_priv *priv;
+ int addr = phydev->mdio.addr;
+
+ /* 839x has internal SerDes */
+ if (soc_info.id == 0x8393)
+ return -ENODEV;
+
+ priv = devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL);
+ if (!priv)
+ return -ENOMEM;
+
+ priv->name = "RTL8214FC";
+
+ /* All base addresses of the PHYs start at multiples of 8 */
+ if (!(addr % 8)) {
+ /* Configuration must be done whil patching still possible */
+ return rtl8380_configure_rtl8214fc(phydev);
+ }
+ return 0;
+}
+
+static int rtl8214c_phy_probe(struct phy_device *phydev)
+{
+ struct device *dev = &phydev->mdio.dev;
+ struct rtl838x_phy_priv *priv;
+ int addr = phydev->mdio.addr;
+
+ priv = devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL);
+ if (!priv)
+ return -ENOMEM;
+
+ priv->name = "RTL8214C";
+
+ /* All base addresses of the PHYs start at multiples of 8 */
+ if (!(addr % 8)) {
+ /* Configuration must be done whil patching still possible */
+ return rtl8380_configure_rtl8214c(phydev);
+ }
+ return 0;
+}
+
+static int rtl8218b_ext_phy_probe(struct phy_device *phydev)
+{
+ struct device *dev = &phydev->mdio.dev;
+ struct rtl838x_phy_priv *priv;
+ int addr = phydev->mdio.addr;
+
+ priv = devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL);
+ if (!priv)
+ return -ENOMEM;
+
+ priv->name = "RTL8218B (external)";
+
+ /* All base addresses of the PHYs start at multiples of 8 */
+ if (!(addr % 8) && soc_info.family == RTL8380_FAMILY_ID) {
+ /* Configuration must be done while patching still possible */
+ return rtl8380_configure_ext_rtl8218b(phydev);
+ }
+ return 0;
+}
+
+static int rtl8218b_int_phy_probe(struct phy_device *phydev)
+{
+ struct device *dev = &phydev->mdio.dev;
+ struct rtl838x_phy_priv *priv;
+ int addr = phydev->mdio.addr;
+
+ if (soc_info.family != RTL8380_FAMILY_ID)
+ return -ENODEV;
+ if (addr >= 24)
+ return -ENODEV;
+
+ priv = devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL);
+ if (!priv)
+ return -ENOMEM;
+
+ priv->name = "RTL8218B (internal)";
+
+ /* All base addresses of the PHYs start at multiples of 8 */
+ if (!(addr % 8)) {
+ /* Configuration must be done while patching still possible */
+ return rtl8380_configure_int_rtl8218b(phydev);
+ }
+ return 0;
+}
+
+static int rtl8218d_phy_probe(struct phy_device *phydev)
+{
+ struct device *dev = &phydev->mdio.dev;
+ struct rtl838x_phy_priv *priv;
+ int addr = phydev->mdio.addr;
+
+ pr_info("%s: id: %d\n", __func__, addr);
+ priv = devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL);
+ if (!priv)
+ return -ENOMEM;
+
+ priv->name = "RTL8218D";
+
+ /* All base addresses of the PHYs start at multiples of 8 */
+ if (!(addr % 8)) {
+ /* Configuration must be done while patching still possible */
+// TODO: return configure_rtl8218d(phydev);
+ }
+ return 0;
+}
+
+static int rtl8226_phy_probe(struct phy_device *phydev)
+{
+ struct device *dev = &phydev->mdio.dev;
+ struct rtl838x_phy_priv *priv;
+ int addr = phydev->mdio.addr;
+
+ pr_info("%s: id: %d\n", __func__, addr);
+ priv = devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL);
+ if (!priv)
+ return -ENOMEM;
+
+ priv->name = "RTL8226";
+
+ return 0;
+}
+
+static int rtl838x_serdes_probe(struct phy_device *phydev)
+{
+ struct device *dev = &phydev->mdio.dev;
+ struct rtl838x_phy_priv *priv;
+ int addr = phydev->mdio.addr;
+
+ if (soc_info.family != RTL8380_FAMILY_ID)
+ return -ENODEV;
+ if (addr < 24)
+ return -ENODEV;
+
+ priv = devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL);
+ if (!priv)
+ return -ENOMEM;
+
+ priv->name = "RTL8380 Serdes";
+
+ /* On the RTL8380M, PHYs 24-27 connect to the internal SerDes */
+ if (soc_info.id == 0x8380) {
+ if (addr == 24)
+ return rtl8380_configure_serdes(phydev);
+ return 0;
+ }
+ return -ENODEV;
+}
+
+static int rtl8393_serdes_probe(struct phy_device *phydev)
+{
+ struct device *dev = &phydev->mdio.dev;
+ struct rtl838x_phy_priv *priv;
+ int addr = phydev->mdio.addr;
+
+ pr_info("%s: id: %d\n", __func__, addr);
+ if (soc_info.family != RTL8390_FAMILY_ID)
+ return -ENODEV;
+
+ if (addr < 24)
+ return -ENODEV;
+
+ priv = devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL);
+ if (!priv)
+ return -ENOMEM;
+
+ priv->name = "RTL8393 Serdes";
+ return rtl8390_configure_serdes(phydev);
+}
+
+static int rtl8390_serdes_probe(struct phy_device *phydev)
+{
+ struct device *dev = &phydev->mdio.dev;
+ struct rtl838x_phy_priv *priv;
+ int addr = phydev->mdio.addr;
+
+ if (soc_info.family != RTL8390_FAMILY_ID)
+ return -ENODEV;
+
+ if (addr < 24)
+ return -ENODEV;
+
+ priv = devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL);
+ if (!priv)
+ return -ENOMEM;
+
+ priv->name = "RTL8390 Serdes";
+ return rtl8390_configure_generic(phydev);
+}
+
+static int rtl9300_serdes_probe(struct phy_device *phydev)
+{
+ struct device *dev = &phydev->mdio.dev;
+ struct rtl838x_phy_priv *priv;
+ int addr = phydev->mdio.addr;
+
+ if (soc_info.family != RTL9300_FAMILY_ID)
+ return -ENODEV;
+
+ if (addr < 24)
+ return -ENODEV;
+
+ priv = devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL);
+ if (!priv)
+ return -ENOMEM;
+
+ priv->name = "RTL9300 Serdes";
+ return rtl9300_configure_serdes(phydev);
+}
+
+static struct phy_driver rtl83xx_phy_driver[] = {
+ {
+ PHY_ID_MATCH_MODEL(PHY_ID_RTL8214C),
+ .name = "Realtek RTL8214C",
+ .features = PHY_GBIT_FEATURES,
+ .match_phy_device = rtl8214c_match_phy_device,
+ .probe = rtl8214c_phy_probe,
+ .suspend = genphy_suspend,
+ .resume = genphy_resume,
+ .set_loopback = genphy_loopback,
+ },
+ {
+ PHY_ID_MATCH_MODEL(PHY_ID_RTL8214FC),
+ .name = "Realtek RTL8214FC",
+ .features = PHY_GBIT_FIBRE_FEATURES,
+ .match_phy_device = rtl8214fc_match_phy_device,
+ .probe = rtl8214fc_phy_probe,
+ .suspend = genphy_suspend,
+ .resume = genphy_resume,
+ .set_loopback = genphy_loopback,
+ .read_mmd = rtl8218b_read_mmd,
+ .write_mmd = rtl8218b_write_mmd,
+ .set_port = rtl8214fc_set_port,
+ .get_port = rtl8214fc_get_port,
+ .set_eee = rtl8214fc_set_eee,
+ .get_eee = rtl8214fc_get_eee,
+ },
+ {
+ PHY_ID_MATCH_MODEL(PHY_ID_RTL8218B_E),
+ .name = "Realtek RTL8218B (external)",
+ .features = PHY_GBIT_FEATURES,
+ .match_phy_device = rtl8218b_ext_match_phy_device,
+ .probe = rtl8218b_ext_phy_probe,
+ .suspend = genphy_suspend,
+ .resume = genphy_resume,
+ .set_loopback = genphy_loopback,
+ .read_mmd = rtl8218b_read_mmd,
+ .write_mmd = rtl8218b_write_mmd,
+ .set_eee = rtl8218b_set_eee,
+ .get_eee = rtl8218b_get_eee,
+ },
+ {
+ PHY_ID_MATCH_MODEL(PHY_ID_RTL8218D),
+ .name = "REALTEK RTL8218D",
+ .features = PHY_GBIT_FEATURES,
+ .probe = rtl8218d_phy_probe,
+ .suspend = genphy_suspend,
+ .resume = genphy_resume,
+ .set_loopback = genphy_loopback,
+ .set_eee = rtl8218d_set_eee,
+ .get_eee = rtl8218d_get_eee,
+ },
+ {
+ PHY_ID_MATCH_MODEL(PHY_ID_RTL8226),
+ .name = "REALTEK RTL8226",
+ .features = PHY_GBIT_FEATURES,
+ .probe = rtl8226_phy_probe,
+ .suspend = genphy_suspend,
+ .resume = genphy_resume,
+ .set_loopback = genphy_loopback,
+ .read_mmd = rtl8226_read_mmd,
+ .write_mmd = rtl8226_write_mmd,
+ .read_page = rtl8226_read_page,
+ .write_page = rtl8226_write_page,
+ .read_status = rtl8226_read_status,
+ .config_aneg = rtl8226_config_aneg,
+ .set_eee = rtl8226_set_eee,
+ .get_eee = rtl8226_get_eee,
+ },
+ {
+ PHY_ID_MATCH_MODEL(PHY_ID_RTL8218B_I),
+ .name = "Realtek RTL8218B (internal)",
+ .features = PHY_GBIT_FEATURES,
+ .probe = rtl8218b_int_phy_probe,
+ .suspend = genphy_suspend,
+ .resume = genphy_resume,
+ .set_loopback = genphy_loopback,
+ .read_mmd = rtl8218b_read_mmd,
+ .write_mmd = rtl8218b_write_mmd,
+ .set_eee = rtl8218b_set_eee,
+ .get_eee = rtl8218b_get_eee,
+ },
+ {
+ PHY_ID_MATCH_MODEL(PHY_ID_RTL8218B_I),
+ .name = "Realtek RTL8380 SERDES",
+ .features = PHY_GBIT_FIBRE_FEATURES,
+ .probe = rtl838x_serdes_probe,
+ .suspend = genphy_suspend,
+ .resume = genphy_resume,
+ .set_loopback = genphy_loopback,
+ .read_mmd = rtl8218b_read_mmd,
+ .write_mmd = rtl8218b_write_mmd,
+ .read_status = rtl8380_read_status,
+ },
+ {
+ PHY_ID_MATCH_MODEL(PHY_ID_RTL8393_I),
+ .name = "Realtek RTL8393 SERDES",
+ .features = PHY_GBIT_FIBRE_FEATURES,
+ .probe = rtl8393_serdes_probe,
+ .suspend = genphy_suspend,
+ .resume = genphy_resume,
+ .set_loopback = genphy_loopback,
+ .read_status = rtl8393_read_status,
+ },
+ {
+ PHY_ID_MATCH_MODEL(PHY_ID_RTL8390_GENERIC),
+ .name = "Realtek RTL8390 Generic",
+ .features = PHY_GBIT_FIBRE_FEATURES,
+ .probe = rtl8390_serdes_probe,
+ .suspend = genphy_suspend,
+ .resume = genphy_resume,
+ .set_loopback = genphy_loopback,
+ },
+ {
+ PHY_ID_MATCH_MODEL(PHY_ID_RTL9300_I),
+ .name = "REALTEK RTL9300 SERDES",
+ .features = PHY_GBIT_FIBRE_FEATURES,
+ .probe = rtl9300_serdes_probe,
+ .suspend = genphy_suspend,
+ .resume = genphy_resume,
+ .set_loopback = genphy_loopback,
+ },
+};
+
+module_phy_driver(rtl83xx_phy_driver);
+
+static struct mdio_device_id __maybe_unused rtl83xx_tbl[] = {
+ { PHY_ID_MATCH_MODEL(PHY_ID_RTL8214FC) },
+ { }
+};
+
+MODULE_DEVICE_TABLE(mdio, rtl83xx_tbl);
+
+MODULE_AUTHOR("B. Koblitz");
+MODULE_DESCRIPTION("RTL83xx PHY driver");
+MODULE_LICENSE("GPL");
generated by cgit v1.2.3 (git 2.25.1) at 2025-01-06 02:48:11 +0000