diff options
Diffstat (limited to 'target/linux/realtek/files-5.4/drivers/net/phy/rtl83xx-phy.c')
-rw-r--r-- | target/linux/realtek/files-5.4/drivers/net/phy/rtl83xx-phy.c | 1983 |
1 files changed, 0 insertions, 1983 deletions
diff --git a/target/linux/realtek/files-5.4/drivers/net/phy/rtl83xx-phy.c b/target/linux/realtek/files-5.4/drivers/net/phy/rtl83xx-phy.c deleted file mode 100644 index 3e187228a9..0000000000 --- a/target/linux/realtek/files-5.4/drivers/net/phy/rtl83xx-phy.c +++ /dev/null @@ -1,1983 +0,0 @@ -// 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"); |