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- // SPDX-License-Identifier: GPL-2.0
- /*
- * Copyright (c) 2015 Realtek Semiconductor Corp. All rights reserved.
- *
- */
- #include <common.h>
- #include <dm.h>
- #include <errno.h>
- #include <log.h>
- #include <malloc.h>
- #include <memalign.h>
- #include <net.h>
- #include <usb.h>
- #include <linux/delay.h>
- #include <linux/mii.h>
- #include <linux/bitops.h>
- #include "usb_ether.h"
- #include "r8152.h"
- #ifndef CONFIG_DM_ETH
- /* local vars */
- static int curr_eth_dev; /* index for name of next device detected */
- struct r8152_dongle {
- unsigned short vendor;
- unsigned short product;
- };
- static const struct r8152_dongle r8152_dongles[] = {
- /* Realtek */
- { 0x0bda, 0x8050 },
- { 0x0bda, 0x8152 },
- { 0x0bda, 0x8153 },
- /* Samsung */
- { 0x04e8, 0xa101 },
- /* Lenovo */
- { 0x17ef, 0x304f },
- { 0x17ef, 0x3052 },
- { 0x17ef, 0x3054 },
- { 0x17ef, 0x3057 },
- { 0x17ef, 0x7205 },
- { 0x17ef, 0x720a },
- { 0x17ef, 0x720b },
- { 0x17ef, 0x720c },
- /* TP-LINK */
- { 0x2357, 0x0601 },
- /* Nvidia */
- { 0x0955, 0x09ff },
- };
- #endif
- struct r8152_version {
- unsigned short tcr;
- unsigned short version;
- bool gmii;
- };
- static const struct r8152_version r8152_versions[] = {
- { 0x4c00, RTL_VER_01, 0 },
- { 0x4c10, RTL_VER_02, 0 },
- { 0x5c00, RTL_VER_03, 1 },
- { 0x5c10, RTL_VER_04, 1 },
- { 0x5c20, RTL_VER_05, 1 },
- { 0x5c30, RTL_VER_06, 1 },
- { 0x4800, RTL_VER_07, 0 },
- { 0x6000, RTL_VER_08, 1 },
- { 0x6010, RTL_VER_09, 1 },
- };
- static
- int get_registers(struct r8152 *tp, u16 value, u16 index, u16 size, void *data)
- {
- ALLOC_CACHE_ALIGN_BUFFER(void *, tmp, size);
- int ret;
- ret = usb_control_msg(tp->udev, usb_rcvctrlpipe(tp->udev, 0),
- RTL8152_REQ_GET_REGS, RTL8152_REQT_READ,
- value, index, tmp, size, 500);
- memcpy(data, tmp, size);
- return ret;
- }
- static
- int set_registers(struct r8152 *tp, u16 value, u16 index, u16 size, void *data)
- {
- ALLOC_CACHE_ALIGN_BUFFER(void *, tmp, size);
- memcpy(tmp, data, size);
- return usb_control_msg(tp->udev, usb_sndctrlpipe(tp->udev, 0),
- RTL8152_REQ_SET_REGS, RTL8152_REQT_WRITE,
- value, index, tmp, size, 500);
- }
- int generic_ocp_read(struct r8152 *tp, u16 index, u16 size,
- void *data, u16 type)
- {
- u16 burst_size = 64;
- int ret;
- int txsize;
- /* both size and index must be 4 bytes align */
- if ((size & 3) || !size || (index & 3) || !data)
- return -EINVAL;
- if (index + size > 0xffff)
- return -EINVAL;
- while (size) {
- txsize = min(size, burst_size);
- ret = get_registers(tp, index, type, txsize, data);
- if (ret < 0)
- break;
- index += txsize;
- data += txsize;
- size -= txsize;
- }
- return ret;
- }
- int generic_ocp_write(struct r8152 *tp, u16 index, u16 byteen,
- u16 size, void *data, u16 type)
- {
- int ret;
- u16 byteen_start, byteen_end, byte_en_to_hw;
- u16 burst_size = 512;
- int txsize;
- /* both size and index must be 4 bytes align */
- if ((size & 3) || !size || (index & 3) || !data)
- return -EINVAL;
- if (index + size > 0xffff)
- return -EINVAL;
- byteen_start = byteen & BYTE_EN_START_MASK;
- byteen_end = byteen & BYTE_EN_END_MASK;
- byte_en_to_hw = byteen_start | (byteen_start << 4);
- ret = set_registers(tp, index, type | byte_en_to_hw, 4, data);
- if (ret < 0)
- return ret;
- index += 4;
- data += 4;
- size -= 4;
- if (size) {
- size -= 4;
- while (size) {
- txsize = min(size, burst_size);
- ret = set_registers(tp, index,
- type | BYTE_EN_DWORD,
- txsize, data);
- if (ret < 0)
- return ret;
- index += txsize;
- data += txsize;
- size -= txsize;
- }
- byte_en_to_hw = byteen_end | (byteen_end >> 4);
- ret = set_registers(tp, index, type | byte_en_to_hw, 4, data);
- if (ret < 0)
- return ret;
- }
- return ret;
- }
- int pla_ocp_read(struct r8152 *tp, u16 index, u16 size, void *data)
- {
- return generic_ocp_read(tp, index, size, data, MCU_TYPE_PLA);
- }
- int pla_ocp_write(struct r8152 *tp, u16 index, u16 byteen, u16 size, void *data)
- {
- return generic_ocp_write(tp, index, byteen, size, data, MCU_TYPE_PLA);
- }
- int usb_ocp_read(struct r8152 *tp, u16 index, u16 size, void *data)
- {
- return generic_ocp_read(tp, index, size, data, MCU_TYPE_USB);
- }
- int usb_ocp_write(struct r8152 *tp, u16 index, u16 byteen, u16 size, void *data)
- {
- return generic_ocp_write(tp, index, byteen, size, data, MCU_TYPE_USB);
- }
- u32 ocp_read_dword(struct r8152 *tp, u16 type, u16 index)
- {
- __le32 data;
- generic_ocp_read(tp, index, sizeof(data), &data, type);
- return __le32_to_cpu(data);
- }
- void ocp_write_dword(struct r8152 *tp, u16 type, u16 index, u32 data)
- {
- __le32 tmp = __cpu_to_le32(data);
- generic_ocp_write(tp, index, BYTE_EN_DWORD, sizeof(tmp), &tmp, type);
- }
- u16 ocp_read_word(struct r8152 *tp, u16 type, u16 index)
- {
- u32 data;
- __le32 tmp;
- u8 shift = index & 2;
- index &= ~3;
- generic_ocp_read(tp, index, sizeof(tmp), &tmp, type);
- data = __le32_to_cpu(tmp);
- data >>= (shift * 8);
- data &= 0xffff;
- return data;
- }
- void ocp_write_word(struct r8152 *tp, u16 type, u16 index, u32 data)
- {
- u32 mask = 0xffff;
- __le32 tmp;
- u16 byen = BYTE_EN_WORD;
- u8 shift = index & 2;
- data &= mask;
- if (index & 2) {
- byen <<= shift;
- mask <<= (shift * 8);
- data <<= (shift * 8);
- index &= ~3;
- }
- tmp = __cpu_to_le32(data);
- generic_ocp_write(tp, index, byen, sizeof(tmp), &tmp, type);
- }
- u8 ocp_read_byte(struct r8152 *tp, u16 type, u16 index)
- {
- u32 data;
- __le32 tmp;
- u8 shift = index & 3;
- index &= ~3;
- generic_ocp_read(tp, index, sizeof(tmp), &tmp, type);
- data = __le32_to_cpu(tmp);
- data >>= (shift * 8);
- data &= 0xff;
- return data;
- }
- void ocp_write_byte(struct r8152 *tp, u16 type, u16 index, u32 data)
- {
- u32 mask = 0xff;
- __le32 tmp;
- u16 byen = BYTE_EN_BYTE;
- u8 shift = index & 3;
- data &= mask;
- if (index & 3) {
- byen <<= shift;
- mask <<= (shift * 8);
- data <<= (shift * 8);
- index &= ~3;
- }
- tmp = __cpu_to_le32(data);
- generic_ocp_write(tp, index, byen, sizeof(tmp), &tmp, type);
- }
- u16 ocp_reg_read(struct r8152 *tp, u16 addr)
- {
- u16 ocp_base, ocp_index;
- ocp_base = addr & 0xf000;
- if (ocp_base != tp->ocp_base) {
- ocp_write_word(tp, MCU_TYPE_PLA, PLA_OCP_GPHY_BASE, ocp_base);
- tp->ocp_base = ocp_base;
- }
- ocp_index = (addr & 0x0fff) | 0xb000;
- return ocp_read_word(tp, MCU_TYPE_PLA, ocp_index);
- }
- void ocp_reg_write(struct r8152 *tp, u16 addr, u16 data)
- {
- u16 ocp_base, ocp_index;
- ocp_base = addr & 0xf000;
- if (ocp_base != tp->ocp_base) {
- ocp_write_word(tp, MCU_TYPE_PLA, PLA_OCP_GPHY_BASE, ocp_base);
- tp->ocp_base = ocp_base;
- }
- ocp_index = (addr & 0x0fff) | 0xb000;
- ocp_write_word(tp, MCU_TYPE_PLA, ocp_index, data);
- }
- static void r8152_mdio_write(struct r8152 *tp, u32 reg_addr, u32 value)
- {
- ocp_reg_write(tp, OCP_BASE_MII + reg_addr * 2, value);
- }
- static int r8152_mdio_read(struct r8152 *tp, u32 reg_addr)
- {
- return ocp_reg_read(tp, OCP_BASE_MII + reg_addr * 2);
- }
- void sram_write(struct r8152 *tp, u16 addr, u16 data)
- {
- ocp_reg_write(tp, OCP_SRAM_ADDR, addr);
- ocp_reg_write(tp, OCP_SRAM_DATA, data);
- }
- static u16 sram_read(struct r8152 *tp, u16 addr)
- {
- ocp_reg_write(tp, OCP_SRAM_ADDR, addr);
- return ocp_reg_read(tp, OCP_SRAM_DATA);
- }
- int r8152_wait_for_bit(struct r8152 *tp, bool ocp_reg, u16 type, u16 index,
- const u32 mask, bool set, unsigned int timeout)
- {
- u32 val;
- while (--timeout) {
- if (ocp_reg)
- val = ocp_reg_read(tp, index);
- else
- val = ocp_read_dword(tp, type, index);
- if (!set)
- val = ~val;
- if ((val & mask) == mask)
- return 0;
- mdelay(1);
- }
- debug("%s: Timeout (index=%04x mask=%08x timeout=%d)\n",
- __func__, index, mask, timeout);
- return -ETIMEDOUT;
- }
- static void r8152b_reset_packet_filter(struct r8152 *tp)
- {
- u32 ocp_data;
- ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_FMC);
- ocp_data &= ~FMC_FCR_MCU_EN;
- ocp_write_word(tp, MCU_TYPE_PLA, PLA_FMC, ocp_data);
- ocp_data |= FMC_FCR_MCU_EN;
- ocp_write_word(tp, MCU_TYPE_PLA, PLA_FMC, ocp_data);
- }
- static void rtl8152_wait_fifo_empty(struct r8152 *tp)
- {
- int ret;
- ret = r8152_wait_for_bit(tp, 0, MCU_TYPE_PLA, PLA_PHY_PWR,
- PLA_PHY_PWR_TXEMP, 1, R8152_WAIT_TIMEOUT);
- if (ret)
- debug("Timeout waiting for FIFO empty\n");
- ret = r8152_wait_for_bit(tp, 0, MCU_TYPE_PLA, PLA_TCR0,
- TCR0_TX_EMPTY, 1, R8152_WAIT_TIMEOUT);
- if (ret)
- debug("Timeout waiting for TX empty\n");
- }
- static void rtl8152_nic_reset(struct r8152 *tp)
- {
- int ret;
- u32 ocp_data;
- ocp_data = ocp_read_dword(tp, MCU_TYPE_PLA, BIST_CTRL);
- ocp_data |= BIST_CTRL_SW_RESET;
- ocp_write_dword(tp, MCU_TYPE_PLA, BIST_CTRL, ocp_data);
- ret = r8152_wait_for_bit(tp, 0, MCU_TYPE_PLA, BIST_CTRL,
- BIST_CTRL_SW_RESET, 0, R8152_WAIT_TIMEOUT);
- if (ret)
- debug("Timeout waiting for NIC reset\n");
- }
- static u8 rtl8152_get_speed(struct r8152 *tp)
- {
- return ocp_read_byte(tp, MCU_TYPE_PLA, PLA_PHYSTATUS);
- }
- static void rtl_set_eee_plus(struct r8152 *tp)
- {
- u32 ocp_data;
- ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_EEEP_CR);
- ocp_data &= ~EEEP_CR_EEEP_TX;
- ocp_write_word(tp, MCU_TYPE_PLA, PLA_EEEP_CR, ocp_data);
- }
- static void rxdy_gated_en(struct r8152 *tp, bool enable)
- {
- u32 ocp_data;
- ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_MISC_1);
- if (enable)
- ocp_data |= RXDY_GATED_EN;
- else
- ocp_data &= ~RXDY_GATED_EN;
- ocp_write_word(tp, MCU_TYPE_PLA, PLA_MISC_1, ocp_data);
- }
- static void rtl8152_set_rx_mode(struct r8152 *tp)
- {
- u32 ocp_data;
- __le32 tmp[2];
- tmp[0] = 0xffffffff;
- tmp[1] = 0xffffffff;
- pla_ocp_write(tp, PLA_MAR, BYTE_EN_DWORD, sizeof(tmp), tmp);
- ocp_data = ocp_read_dword(tp, MCU_TYPE_PLA, PLA_RCR);
- ocp_data |= RCR_APM | RCR_AM | RCR_AB;
- ocp_write_dword(tp, MCU_TYPE_PLA, PLA_RCR, ocp_data);
- }
- static inline void r8153b_rx_agg_chg_indicate(struct r8152 *tp)
- {
- ocp_write_byte(tp, MCU_TYPE_USB, USB_UPT_RXDMA_OWN,
- OWN_UPDATE | OWN_CLEAR);
- }
- static int rtl_enable(struct r8152 *tp)
- {
- u32 ocp_data;
- r8152b_reset_packet_filter(tp);
- ocp_data = ocp_read_byte(tp, MCU_TYPE_PLA, PLA_CR);
- ocp_data |= PLA_CR_RE | PLA_CR_TE;
- ocp_write_byte(tp, MCU_TYPE_PLA, PLA_CR, ocp_data);
- switch (tp->version) {
- case RTL_VER_08:
- case RTL_VER_09:
- r8153b_rx_agg_chg_indicate(tp);
- break;
- default:
- break;
- }
- rxdy_gated_en(tp, false);
- rtl8152_set_rx_mode(tp);
- return 0;
- }
- static int rtl8152_enable(struct r8152 *tp)
- {
- rtl_set_eee_plus(tp);
- return rtl_enable(tp);
- }
- static void r8153_set_rx_early_timeout(struct r8152 *tp)
- {
- u32 ocp_data = tp->coalesce / 8;
- switch (tp->version) {
- case RTL_VER_03:
- case RTL_VER_04:
- case RTL_VER_05:
- case RTL_VER_06:
- ocp_write_word(tp, MCU_TYPE_USB, USB_RX_EARLY_TIMEOUT,
- ocp_data);
- break;
- case RTL_VER_08:
- case RTL_VER_09:
- /* The RTL8153B uses USB_RX_EXTRA_AGGR_TMR for rx timeout
- * primarily. For USB_RX_EARLY_TIMEOUT, we fix it to 1264ns.
- */
- ocp_write_word(tp, MCU_TYPE_USB, USB_RX_EARLY_TIMEOUT,
- RX_AUXILIARY_TIMER / 8);
- ocp_write_word(tp, MCU_TYPE_USB, USB_RX_EXTRA_AGGR_TMR,
- ocp_data);
- break;
- default:
- debug("** %s Invalid Device\n", __func__);
- break;
- }
- }
- static void r8153_set_rx_early_size(struct r8152 *tp)
- {
- u32 ocp_data = (RTL8152_AGG_BUF_SZ - RTL8153_RMS -
- sizeof(struct rx_desc));
- switch (tp->version) {
- case RTL_VER_03:
- case RTL_VER_04:
- case RTL_VER_05:
- case RTL_VER_06:
- ocp_write_word(tp, MCU_TYPE_USB, USB_RX_EARLY_SIZE,
- ocp_data / 4);
- break;
- case RTL_VER_08:
- case RTL_VER_09:
- ocp_write_word(tp, MCU_TYPE_USB, USB_RX_EARLY_SIZE,
- ocp_data / 8);
- break;
- default:
- debug("** %s Invalid Device\n", __func__);
- break;
- }
- }
- static int rtl8153_enable(struct r8152 *tp)
- {
- rtl_set_eee_plus(tp);
- r8153_set_rx_early_timeout(tp);
- r8153_set_rx_early_size(tp);
- return rtl_enable(tp);
- }
- static void rtl_disable(struct r8152 *tp)
- {
- u32 ocp_data;
- ocp_data = ocp_read_dword(tp, MCU_TYPE_PLA, PLA_RCR);
- ocp_data &= ~RCR_ACPT_ALL;
- ocp_write_dword(tp, MCU_TYPE_PLA, PLA_RCR, ocp_data);
- rxdy_gated_en(tp, true);
- rtl8152_wait_fifo_empty(tp);
- rtl8152_nic_reset(tp);
- }
- static void r8152_power_cut_en(struct r8152 *tp, bool enable)
- {
- u32 ocp_data;
- ocp_data = ocp_read_word(tp, MCU_TYPE_USB, USB_UPS_CTRL);
- if (enable)
- ocp_data |= POWER_CUT;
- else
- ocp_data &= ~POWER_CUT;
- ocp_write_word(tp, MCU_TYPE_USB, USB_UPS_CTRL, ocp_data);
- ocp_data = ocp_read_word(tp, MCU_TYPE_USB, USB_PM_CTRL_STATUS);
- ocp_data &= ~RESUME_INDICATE;
- ocp_write_word(tp, MCU_TYPE_USB, USB_PM_CTRL_STATUS, ocp_data);
- }
- static void rtl_rx_vlan_en(struct r8152 *tp, bool enable)
- {
- u32 ocp_data;
- ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_CPCR);
- if (enable)
- ocp_data |= CPCR_RX_VLAN;
- else
- ocp_data &= ~CPCR_RX_VLAN;
- ocp_write_word(tp, MCU_TYPE_PLA, PLA_CPCR, ocp_data);
- }
- static void r8153_u1u2en(struct r8152 *tp, bool enable)
- {
- u8 u1u2[8];
- if (enable)
- memset(u1u2, 0xff, sizeof(u1u2));
- else
- memset(u1u2, 0x00, sizeof(u1u2));
- usb_ocp_write(tp, USB_TOLERANCE, BYTE_EN_SIX_BYTES, sizeof(u1u2), u1u2);
- }
- static void r8153b_u1u2en(struct r8152 *tp, bool enable)
- {
- u16 ocp_data;
- ocp_data = ocp_read_word(tp, MCU_TYPE_USB, USB_LPM_CONFIG);
- if (enable)
- ocp_data |= LPM_U1U2_EN;
- else
- ocp_data &= ~LPM_U1U2_EN;
- ocp_write_word(tp, MCU_TYPE_USB, USB_LPM_CONFIG, ocp_data);
- }
- static void r8153_u2p3en(struct r8152 *tp, bool enable)
- {
- u32 ocp_data;
- ocp_data = ocp_read_word(tp, MCU_TYPE_USB, USB_U2P3_CTRL);
- if (enable && tp->version != RTL_VER_03 && tp->version != RTL_VER_04)
- ocp_data |= U2P3_ENABLE;
- else
- ocp_data &= ~U2P3_ENABLE;
- ocp_write_word(tp, MCU_TYPE_USB, USB_U2P3_CTRL, ocp_data);
- }
- static void r8153_power_cut_en(struct r8152 *tp, bool enable)
- {
- u32 ocp_data;
- ocp_data = ocp_read_word(tp, MCU_TYPE_USB, USB_POWER_CUT);
- if (enable)
- ocp_data |= PWR_EN | PHASE2_EN;
- else
- ocp_data &= ~(PWR_EN | PHASE2_EN);
- ocp_write_word(tp, MCU_TYPE_USB, USB_POWER_CUT, ocp_data);
- ocp_data = ocp_read_word(tp, MCU_TYPE_USB, USB_MISC_0);
- ocp_data &= ~PCUT_STATUS;
- ocp_write_word(tp, MCU_TYPE_USB, USB_MISC_0, ocp_data);
- }
- static void rtl_reset_bmu(struct r8152 *tp)
- {
- u8 ocp_data;
- ocp_data = ocp_read_byte(tp, MCU_TYPE_USB, USB_BMU_RESET);
- ocp_data &= ~(BMU_RESET_EP_IN | BMU_RESET_EP_OUT);
- ocp_write_byte(tp, MCU_TYPE_USB, USB_BMU_RESET, ocp_data);
- ocp_data |= BMU_RESET_EP_IN | BMU_RESET_EP_OUT;
- ocp_write_byte(tp, MCU_TYPE_USB, USB_BMU_RESET, ocp_data);
- }
- static int r8152_read_mac(struct r8152 *tp, unsigned char *macaddr)
- {
- int ret;
- unsigned char enetaddr[8] = {0};
- ret = pla_ocp_read(tp, PLA_IDR, 8, enetaddr);
- if (ret < 0)
- return ret;
- memcpy(macaddr, enetaddr, ETH_ALEN);
- return 0;
- }
- static void r8152b_disable_aldps(struct r8152 *tp)
- {
- ocp_reg_write(tp, OCP_ALDPS_CONFIG, ENPDNPS | LINKENA | DIS_SDSAVE);
- mdelay(20);
- }
- static void r8152b_enable_aldps(struct r8152 *tp)
- {
- ocp_reg_write(tp, OCP_ALDPS_CONFIG, ENPWRSAVE | ENPDNPS |
- LINKENA | DIS_SDSAVE);
- }
- static void rtl8152_disable(struct r8152 *tp)
- {
- r8152b_disable_aldps(tp);
- rtl_disable(tp);
- r8152b_enable_aldps(tp);
- }
- static void r8152b_hw_phy_cfg(struct r8152 *tp)
- {
- u16 data;
- data = r8152_mdio_read(tp, MII_BMCR);
- if (data & BMCR_PDOWN) {
- data &= ~BMCR_PDOWN;
- r8152_mdio_write(tp, MII_BMCR, data);
- }
- r8152b_firmware(tp);
- }
- static void rtl8152_reinit_ll(struct r8152 *tp)
- {
- u32 ocp_data;
- int ret;
- ret = r8152_wait_for_bit(tp, 0, MCU_TYPE_PLA, PLA_PHY_PWR,
- PLA_PHY_PWR_LLR, 1, R8152_WAIT_TIMEOUT);
- if (ret)
- debug("Timeout waiting for link list ready\n");
- ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_SFF_STS_7);
- ocp_data |= RE_INIT_LL;
- ocp_write_word(tp, MCU_TYPE_PLA, PLA_SFF_STS_7, ocp_data);
- ret = r8152_wait_for_bit(tp, 0, MCU_TYPE_PLA, PLA_PHY_PWR,
- PLA_PHY_PWR_LLR, 1, R8152_WAIT_TIMEOUT);
- if (ret)
- debug("Timeout waiting for link list ready\n");
- }
- static void r8152b_exit_oob(struct r8152 *tp)
- {
- u32 ocp_data;
- ocp_data = ocp_read_dword(tp, MCU_TYPE_PLA, PLA_RCR);
- ocp_data &= ~RCR_ACPT_ALL;
- ocp_write_dword(tp, MCU_TYPE_PLA, PLA_RCR, ocp_data);
- rxdy_gated_en(tp, true);
- r8152b_hw_phy_cfg(tp);
- ocp_write_byte(tp, MCU_TYPE_PLA, PLA_CRWECR, CRWECR_NORAML);
- ocp_write_byte(tp, MCU_TYPE_PLA, PLA_CR, 0x00);
- ocp_data = ocp_read_byte(tp, MCU_TYPE_PLA, PLA_OOB_CTRL);
- ocp_data &= ~NOW_IS_OOB;
- ocp_write_byte(tp, MCU_TYPE_PLA, PLA_OOB_CTRL, ocp_data);
- ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_SFF_STS_7);
- ocp_data &= ~MCU_BORW_EN;
- ocp_write_word(tp, MCU_TYPE_PLA, PLA_SFF_STS_7, ocp_data);
- rtl8152_reinit_ll(tp);
- rtl8152_nic_reset(tp);
- /* rx share fifo credit full threshold */
- ocp_write_dword(tp, MCU_TYPE_PLA, PLA_RXFIFO_CTRL0, RXFIFO_THR1_NORMAL);
- if (tp->udev->speed == USB_SPEED_FULL ||
- tp->udev->speed == USB_SPEED_LOW) {
- /* rx share fifo credit near full threshold */
- ocp_write_dword(tp, MCU_TYPE_PLA, PLA_RXFIFO_CTRL1,
- RXFIFO_THR2_FULL);
- ocp_write_dword(tp, MCU_TYPE_PLA, PLA_RXFIFO_CTRL2,
- RXFIFO_THR3_FULL);
- } else {
- /* rx share fifo credit near full threshold */
- ocp_write_dword(tp, MCU_TYPE_PLA, PLA_RXFIFO_CTRL1,
- RXFIFO_THR2_HIGH);
- ocp_write_dword(tp, MCU_TYPE_PLA, PLA_RXFIFO_CTRL2,
- RXFIFO_THR3_HIGH);
- }
- /* TX share fifo free credit full threshold */
- ocp_write_dword(tp, MCU_TYPE_PLA, PLA_TXFIFO_CTRL, TXFIFO_THR_NORMAL);
- ocp_write_byte(tp, MCU_TYPE_USB, USB_TX_AGG, TX_AGG_MAX_THRESHOLD);
- ocp_write_dword(tp, MCU_TYPE_USB, USB_RX_BUF_TH, RX_THR_HIGH);
- ocp_write_dword(tp, MCU_TYPE_USB, USB_TX_DMA,
- TEST_MODE_DISABLE | TX_SIZE_ADJUST1);
- ocp_write_word(tp, MCU_TYPE_PLA, PLA_RMS, RTL8152_RMS);
- ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_TCR0);
- ocp_data |= TCR0_AUTO_FIFO;
- ocp_write_word(tp, MCU_TYPE_PLA, PLA_TCR0, ocp_data);
- }
- static void r8152b_enter_oob(struct r8152 *tp)
- {
- u32 ocp_data;
- ocp_data = ocp_read_byte(tp, MCU_TYPE_PLA, PLA_OOB_CTRL);
- ocp_data &= ~NOW_IS_OOB;
- ocp_write_byte(tp, MCU_TYPE_PLA, PLA_OOB_CTRL, ocp_data);
- ocp_write_dword(tp, MCU_TYPE_PLA, PLA_RXFIFO_CTRL0, RXFIFO_THR1_OOB);
- ocp_write_dword(tp, MCU_TYPE_PLA, PLA_RXFIFO_CTRL1, RXFIFO_THR2_OOB);
- ocp_write_dword(tp, MCU_TYPE_PLA, PLA_RXFIFO_CTRL2, RXFIFO_THR3_OOB);
- rtl_disable(tp);
- rtl8152_reinit_ll(tp);
- ocp_write_word(tp, MCU_TYPE_PLA, PLA_RMS, RTL8152_RMS);
- rtl_rx_vlan_en(tp, false);
- ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_BDC_CR);
- ocp_data |= ALDPS_PROXY_MODE;
- ocp_write_word(tp, MCU_TYPE_PLA, PLA_BDC_CR, ocp_data);
- ocp_data = ocp_read_byte(tp, MCU_TYPE_PLA, PLA_OOB_CTRL);
- ocp_data |= NOW_IS_OOB | DIS_MCU_CLROOB;
- ocp_write_byte(tp, MCU_TYPE_PLA, PLA_OOB_CTRL, ocp_data);
- rxdy_gated_en(tp, false);
- ocp_data = ocp_read_dword(tp, MCU_TYPE_PLA, PLA_RCR);
- ocp_data |= RCR_APM | RCR_AM | RCR_AB;
- ocp_write_dword(tp, MCU_TYPE_PLA, PLA_RCR, ocp_data);
- }
- static void r8153_hw_phy_cfg(struct r8152 *tp)
- {
- u32 ocp_data;
- u16 data;
- if (tp->version == RTL_VER_03 || tp->version == RTL_VER_04 ||
- tp->version == RTL_VER_05)
- ocp_reg_write(tp, OCP_ADC_CFG, CKADSEL_L | ADC_EN | EN_EMI_L);
- data = r8152_mdio_read(tp, MII_BMCR);
- if (data & BMCR_PDOWN) {
- data &= ~BMCR_PDOWN;
- r8152_mdio_write(tp, MII_BMCR, data);
- }
- r8153_firmware(tp);
- if (tp->version == RTL_VER_03) {
- data = ocp_reg_read(tp, OCP_EEE_CFG);
- data &= ~CTAP_SHORT_EN;
- ocp_reg_write(tp, OCP_EEE_CFG, data);
- }
- data = ocp_reg_read(tp, OCP_POWER_CFG);
- data |= EEE_CLKDIV_EN;
- ocp_reg_write(tp, OCP_POWER_CFG, data);
- data = ocp_reg_read(tp, OCP_DOWN_SPEED);
- data |= EN_10M_BGOFF;
- ocp_reg_write(tp, OCP_DOWN_SPEED, data);
- data = ocp_reg_read(tp, OCP_POWER_CFG);
- data |= EN_10M_PLLOFF;
- ocp_reg_write(tp, OCP_POWER_CFG, data);
- sram_write(tp, SRAM_IMPEDANCE, 0x0b13);
- ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_PHY_PWR);
- ocp_data |= PFM_PWM_SWITCH;
- ocp_write_word(tp, MCU_TYPE_PLA, PLA_PHY_PWR, ocp_data);
- /* Enable LPF corner auto tune */
- sram_write(tp, SRAM_LPF_CFG, 0xf70f);
- /* Adjust 10M Amplitude */
- sram_write(tp, SRAM_10M_AMP1, 0x00af);
- sram_write(tp, SRAM_10M_AMP2, 0x0208);
- }
- static u32 r8152_efuse_read(struct r8152 *tp, u8 addr)
- {
- u32 ocp_data;
- ocp_write_word(tp, MCU_TYPE_PLA, PLA_EFUSE_CMD, EFUSE_READ_CMD | addr);
- ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_EFUSE_CMD);
- ocp_data = (ocp_data & EFUSE_DATA_BIT16) << 9; /* data of bit16 */
- ocp_data |= ocp_read_word(tp, MCU_TYPE_PLA, PLA_EFUSE_DATA);
- return ocp_data;
- }
- static void r8153b_hw_phy_cfg(struct r8152 *tp)
- {
- u32 ocp_data;
- u16 data;
- data = r8152_mdio_read(tp, MII_BMCR);
- if (data & BMCR_PDOWN) {
- data &= ~BMCR_PDOWN;
- r8152_mdio_write(tp, MII_BMCR, data);
- }
- /* U1/U2/L1 idle timer. 500 us */
- ocp_write_word(tp, MCU_TYPE_USB, USB_U1U2_TIMER, 500);
- r8153b_firmware(tp);
- data = sram_read(tp, SRAM_GREEN_CFG);
- data |= R_TUNE_EN;
- sram_write(tp, SRAM_GREEN_CFG, data);
- data = ocp_reg_read(tp, OCP_NCTL_CFG);
- data |= PGA_RETURN_EN;
- ocp_reg_write(tp, OCP_NCTL_CFG, data);
- /* ADC Bias Calibration:
- * read efuse offset 0x7d to get a 17-bit data. Remove the dummy/fake
- * bit (bit3) to rebuild the real 16-bit data. Write the data to the
- * ADC ioffset.
- */
- ocp_data = r8152_efuse_read(tp, 0x7d);
- ocp_data = ((ocp_data & 0x1fff0) >> 1) | (ocp_data & 0x7);
- if (ocp_data != 0xffff)
- ocp_reg_write(tp, OCP_ADC_IOFFSET, ocp_data);
- /* ups mode tx-link-pulse timing adjustment:
- * rg_saw_cnt = OCP reg 0xC426 Bit[13:0]
- * swr_cnt_1ms_ini = 16000000 / rg_saw_cnt
- */
- ocp_data = ocp_reg_read(tp, 0xc426);
- ocp_data &= 0x3fff;
- if (ocp_data) {
- u32 swr_cnt_1ms_ini;
- swr_cnt_1ms_ini = (16000000 / ocp_data) & SAW_CNT_1MS_MASK;
- ocp_data = ocp_read_word(tp, MCU_TYPE_USB, USB_UPS_CFG);
- ocp_data = (ocp_data & ~SAW_CNT_1MS_MASK) | swr_cnt_1ms_ini;
- ocp_write_word(tp, MCU_TYPE_USB, USB_UPS_CFG, ocp_data);
- }
- ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_PHY_PWR);
- ocp_data |= PFM_PWM_SWITCH;
- ocp_write_word(tp, MCU_TYPE_PLA, PLA_PHY_PWR, ocp_data);
- }
- static void r8153_first_init(struct r8152 *tp)
- {
- u32 ocp_data;
- rxdy_gated_en(tp, true);
- ocp_data = ocp_read_dword(tp, MCU_TYPE_PLA, PLA_RCR);
- ocp_data &= ~RCR_ACPT_ALL;
- ocp_write_dword(tp, MCU_TYPE_PLA, PLA_RCR, ocp_data);
- r8153_hw_phy_cfg(tp);
- rtl8152_nic_reset(tp);
- rtl_reset_bmu(tp);
- ocp_data = ocp_read_byte(tp, MCU_TYPE_PLA, PLA_OOB_CTRL);
- ocp_data &= ~NOW_IS_OOB;
- ocp_write_byte(tp, MCU_TYPE_PLA, PLA_OOB_CTRL, ocp_data);
- ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_SFF_STS_7);
- ocp_data &= ~MCU_BORW_EN;
- ocp_write_word(tp, MCU_TYPE_PLA, PLA_SFF_STS_7, ocp_data);
- rtl8152_reinit_ll(tp);
- rtl_rx_vlan_en(tp, false);
- ocp_data = RTL8153_RMS;
- ocp_write_word(tp, MCU_TYPE_PLA, PLA_RMS, ocp_data);
- ocp_write_byte(tp, MCU_TYPE_PLA, PLA_MTPS, MTPS_JUMBO);
- ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_TCR0);
- ocp_data |= TCR0_AUTO_FIFO;
- ocp_write_word(tp, MCU_TYPE_PLA, PLA_TCR0, ocp_data);
- rtl8152_nic_reset(tp);
- /* rx share fifo credit full threshold */
- ocp_write_dword(tp, MCU_TYPE_PLA, PLA_RXFIFO_CTRL0, RXFIFO_THR1_NORMAL);
- ocp_write_word(tp, MCU_TYPE_PLA, PLA_RXFIFO_CTRL1, RXFIFO_THR2_NORMAL);
- ocp_write_word(tp, MCU_TYPE_PLA, PLA_RXFIFO_CTRL2, RXFIFO_THR3_NORMAL);
- /* TX share fifo free credit full threshold */
- ocp_write_dword(tp, MCU_TYPE_PLA, PLA_TXFIFO_CTRL, TXFIFO_THR_NORMAL2);
- /* rx aggregation */
- ocp_data = ocp_read_word(tp, MCU_TYPE_USB, USB_USB_CTRL);
- ocp_data &= ~(RX_AGG_DISABLE | RX_ZERO_EN);
- ocp_write_word(tp, MCU_TYPE_USB, USB_USB_CTRL, ocp_data);
- }
- static void r8153_enter_oob(struct r8152 *tp)
- {
- u32 ocp_data;
- ocp_data = ocp_read_byte(tp, MCU_TYPE_PLA, PLA_OOB_CTRL);
- ocp_data &= ~NOW_IS_OOB;
- ocp_write_byte(tp, MCU_TYPE_PLA, PLA_OOB_CTRL, ocp_data);
- rtl_disable(tp);
- rtl_reset_bmu(tp);
- rtl8152_reinit_ll(tp);
- ocp_data = RTL8153_RMS;
- ocp_write_word(tp, MCU_TYPE_PLA, PLA_RMS, ocp_data);
- ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_TEREDO_CFG);
- ocp_data &= ~TEREDO_WAKE_MASK;
- ocp_write_word(tp, MCU_TYPE_PLA, PLA_TEREDO_CFG, ocp_data);
- rtl_rx_vlan_en(tp, false);
- ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_BDC_CR);
- ocp_data |= ALDPS_PROXY_MODE;
- ocp_write_word(tp, MCU_TYPE_PLA, PLA_BDC_CR, ocp_data);
- ocp_data = ocp_read_byte(tp, MCU_TYPE_PLA, PLA_OOB_CTRL);
- ocp_data |= NOW_IS_OOB | DIS_MCU_CLROOB;
- ocp_write_byte(tp, MCU_TYPE_PLA, PLA_OOB_CTRL, ocp_data);
- rxdy_gated_en(tp, false);
- ocp_data = ocp_read_dword(tp, MCU_TYPE_PLA, PLA_RCR);
- ocp_data |= RCR_APM | RCR_AM | RCR_AB;
- ocp_write_dword(tp, MCU_TYPE_PLA, PLA_RCR, ocp_data);
- }
- static void r8153_disable_aldps(struct r8152 *tp)
- {
- u16 data;
- data = ocp_reg_read(tp, OCP_POWER_CFG);
- data &= ~EN_ALDPS;
- ocp_reg_write(tp, OCP_POWER_CFG, data);
- mdelay(20);
- }
- static void rtl8153_disable(struct r8152 *tp)
- {
- r8153_disable_aldps(tp);
- rtl_disable(tp);
- rtl_reset_bmu(tp);
- }
- static int rtl8152_set_speed(struct r8152 *tp, u8 autoneg, u16 speed, u8 duplex)
- {
- u16 bmcr, anar, gbcr;
- anar = r8152_mdio_read(tp, MII_ADVERTISE);
- anar &= ~(ADVERTISE_10HALF | ADVERTISE_10FULL |
- ADVERTISE_100HALF | ADVERTISE_100FULL);
- if (tp->supports_gmii) {
- gbcr = r8152_mdio_read(tp, MII_CTRL1000);
- gbcr &= ~(ADVERTISE_1000FULL | ADVERTISE_1000HALF);
- } else {
- gbcr = 0;
- }
- if (autoneg == AUTONEG_DISABLE) {
- if (speed == SPEED_10) {
- bmcr = 0;
- anar |= ADVERTISE_10HALF | ADVERTISE_10FULL;
- } else if (speed == SPEED_100) {
- bmcr = BMCR_SPEED100;
- anar |= ADVERTISE_100HALF | ADVERTISE_100FULL;
- } else if (speed == SPEED_1000 && tp->supports_gmii) {
- bmcr = BMCR_SPEED1000;
- gbcr |= ADVERTISE_1000FULL | ADVERTISE_1000HALF;
- } else {
- return -EINVAL;
- }
- if (duplex == DUPLEX_FULL)
- bmcr |= BMCR_FULLDPLX;
- } else {
- if (speed == SPEED_10) {
- if (duplex == DUPLEX_FULL)
- anar |= ADVERTISE_10HALF | ADVERTISE_10FULL;
- else
- anar |= ADVERTISE_10HALF;
- } else if (speed == SPEED_100) {
- if (duplex == DUPLEX_FULL) {
- anar |= ADVERTISE_10HALF | ADVERTISE_10FULL;
- anar |= ADVERTISE_100HALF | ADVERTISE_100FULL;
- } else {
- anar |= ADVERTISE_10HALF;
- anar |= ADVERTISE_100HALF;
- }
- } else if (speed == SPEED_1000 && tp->supports_gmii) {
- if (duplex == DUPLEX_FULL) {
- anar |= ADVERTISE_10HALF | ADVERTISE_10FULL;
- anar |= ADVERTISE_100HALF | ADVERTISE_100FULL;
- gbcr |= ADVERTISE_1000FULL | ADVERTISE_1000HALF;
- } else {
- anar |= ADVERTISE_10HALF;
- anar |= ADVERTISE_100HALF;
- gbcr |= ADVERTISE_1000HALF;
- }
- } else {
- return -EINVAL;
- }
- bmcr = BMCR_ANENABLE | BMCR_ANRESTART | BMCR_RESET;
- }
- if (tp->supports_gmii)
- r8152_mdio_write(tp, MII_CTRL1000, gbcr);
- r8152_mdio_write(tp, MII_ADVERTISE, anar);
- r8152_mdio_write(tp, MII_BMCR, bmcr);
- return 0;
- }
- static void rtl8152_up(struct r8152 *tp)
- {
- r8152b_disable_aldps(tp);
- r8152b_exit_oob(tp);
- r8152b_enable_aldps(tp);
- }
- static void rtl8152_down(struct r8152 *tp)
- {
- r8152_power_cut_en(tp, false);
- r8152b_disable_aldps(tp);
- r8152b_enter_oob(tp);
- r8152b_enable_aldps(tp);
- }
- static void rtl8153_up(struct r8152 *tp)
- {
- r8153_u1u2en(tp, false);
- r8153_disable_aldps(tp);
- r8153_first_init(tp);
- r8153_u2p3en(tp, false);
- }
- static void rtl8153_down(struct r8152 *tp)
- {
- r8153_u1u2en(tp, false);
- r8153_u2p3en(tp, false);
- r8153_power_cut_en(tp, false);
- r8153_disable_aldps(tp);
- r8153_enter_oob(tp);
- }
- static void rtl8153b_up(struct r8152 *tp)
- {
- r8153_first_init(tp);
- }
- static void rtl8153b_down(struct r8152 *tp)
- {
- r8153_enter_oob(tp);
- }
- static void r8152b_get_version(struct r8152 *tp)
- {
- u32 ocp_data;
- u16 tcr;
- int i;
- ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_TCR1);
- tcr = (u16)(ocp_data & VERSION_MASK);
- for (i = 0; i < ARRAY_SIZE(r8152_versions); i++) {
- if (tcr == r8152_versions[i].tcr) {
- /* Found a supported version */
- tp->version = r8152_versions[i].version;
- tp->supports_gmii = r8152_versions[i].gmii;
- break;
- }
- }
- if (tp->version == RTL_VER_UNKNOWN)
- debug("r8152 Unknown tcr version 0x%04x\n", tcr);
- }
- static void r8152b_enable_fc(struct r8152 *tp)
- {
- u16 anar;
- anar = r8152_mdio_read(tp, MII_ADVERTISE);
- anar |= ADVERTISE_PAUSE_CAP | ADVERTISE_PAUSE_ASYM;
- r8152_mdio_write(tp, MII_ADVERTISE, anar);
- }
- static void rtl_tally_reset(struct r8152 *tp)
- {
- u32 ocp_data;
- ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_RSTTALLY);
- ocp_data |= TALLY_RESET;
- ocp_write_word(tp, MCU_TYPE_PLA, PLA_RSTTALLY, ocp_data);
- }
- static void r8152b_init(struct r8152 *tp)
- {
- u32 ocp_data;
- r8152b_disable_aldps(tp);
- if (tp->version == RTL_VER_01) {
- ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_LED_FEATURE);
- ocp_data &= ~LED_MODE_MASK;
- ocp_write_word(tp, MCU_TYPE_PLA, PLA_LED_FEATURE, ocp_data);
- }
- r8152_power_cut_en(tp, false);
- ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_PHY_PWR);
- ocp_data |= TX_10M_IDLE_EN | PFM_PWM_SWITCH;
- ocp_write_word(tp, MCU_TYPE_PLA, PLA_PHY_PWR, ocp_data);
- ocp_data = ocp_read_dword(tp, MCU_TYPE_PLA, PLA_MAC_PWR_CTRL);
- ocp_data &= ~MCU_CLK_RATIO_MASK;
- ocp_data |= MCU_CLK_RATIO | D3_CLK_GATED_EN;
- ocp_write_dword(tp, MCU_TYPE_PLA, PLA_MAC_PWR_CTRL, ocp_data);
- ocp_data = GPHY_STS_MSK | SPEED_DOWN_MSK |
- SPDWN_RXDV_MSK | SPDWN_LINKCHG_MSK;
- ocp_write_word(tp, MCU_TYPE_PLA, PLA_GPHY_INTR_IMR, ocp_data);
- ocp_data = ocp_read_word(tp, MCU_TYPE_USB, USB_USB_TIMER);
- ocp_data |= BIT(15);
- ocp_write_word(tp, MCU_TYPE_USB, USB_USB_TIMER, ocp_data);
- ocp_write_word(tp, MCU_TYPE_USB, 0xcbfc, 0x03e8);
- ocp_data &= ~BIT(15);
- ocp_write_word(tp, MCU_TYPE_USB, USB_USB_TIMER, ocp_data);
- r8152b_enable_fc(tp);
- rtl_tally_reset(tp);
- /* enable rx aggregation */
- ocp_data = ocp_read_word(tp, MCU_TYPE_USB, USB_USB_CTRL);
- ocp_data &= ~(RX_AGG_DISABLE | RX_ZERO_EN);
- ocp_write_word(tp, MCU_TYPE_USB, USB_USB_CTRL, ocp_data);
- }
- static void r8153_init(struct r8152 *tp)
- {
- int i;
- u32 ocp_data;
- r8153_disable_aldps(tp);
- r8153_u1u2en(tp, false);
- r8152_wait_for_bit(tp, 0, MCU_TYPE_PLA, PLA_BOOT_CTRL,
- AUTOLOAD_DONE, 1, R8152_WAIT_TIMEOUT);
- for (i = 0; i < R8152_WAIT_TIMEOUT; i++) {
- ocp_data = ocp_reg_read(tp, OCP_PHY_STATUS) & PHY_STAT_MASK;
- if (ocp_data == PHY_STAT_LAN_ON || ocp_data == PHY_STAT_PWRDN)
- break;
- mdelay(1);
- }
- r8153_u2p3en(tp, false);
- if (tp->version == RTL_VER_04) {
- ocp_data = ocp_read_word(tp, MCU_TYPE_USB, USB_SSPHYLINK2);
- ocp_data &= ~pwd_dn_scale_mask;
- ocp_data |= pwd_dn_scale(96);
- ocp_write_word(tp, MCU_TYPE_USB, USB_SSPHYLINK2, ocp_data);
- ocp_data = ocp_read_byte(tp, MCU_TYPE_USB, USB_USB2PHY);
- ocp_data |= USB2PHY_L1 | USB2PHY_SUSPEND;
- ocp_write_byte(tp, MCU_TYPE_USB, USB_USB2PHY, ocp_data);
- } else if (tp->version == RTL_VER_05) {
- ocp_data = ocp_read_byte(tp, MCU_TYPE_PLA, PLA_DMY_REG0);
- ocp_data &= ~ECM_ALDPS;
- ocp_write_byte(tp, MCU_TYPE_PLA, PLA_DMY_REG0, ocp_data);
- ocp_data = ocp_read_byte(tp, MCU_TYPE_USB, USB_CSR_DUMMY1);
- if (ocp_read_word(tp, MCU_TYPE_USB, USB_BURST_SIZE) == 0)
- ocp_data &= ~DYNAMIC_BURST;
- else
- ocp_data |= DYNAMIC_BURST;
- ocp_write_byte(tp, MCU_TYPE_USB, USB_CSR_DUMMY1, ocp_data);
- } else if (tp->version == RTL_VER_06) {
- ocp_data = ocp_read_byte(tp, MCU_TYPE_USB, USB_CSR_DUMMY1);
- if (ocp_read_word(tp, MCU_TYPE_USB, USB_BURST_SIZE) == 0)
- ocp_data &= ~DYNAMIC_BURST;
- else
- ocp_data |= DYNAMIC_BURST;
- ocp_write_byte(tp, MCU_TYPE_USB, USB_CSR_DUMMY1, ocp_data);
- }
- ocp_data = ocp_read_byte(tp, MCU_TYPE_USB, USB_CSR_DUMMY2);
- ocp_data |= EP4_FULL_FC;
- ocp_write_byte(tp, MCU_TYPE_USB, USB_CSR_DUMMY2, ocp_data);
- ocp_data = ocp_read_word(tp, MCU_TYPE_USB, USB_WDT11_CTRL);
- ocp_data &= ~TIMER11_EN;
- ocp_write_word(tp, MCU_TYPE_USB, USB_WDT11_CTRL, ocp_data);
- ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_LED_FEATURE);
- ocp_data &= ~LED_MODE_MASK;
- ocp_write_word(tp, MCU_TYPE_PLA, PLA_LED_FEATURE, ocp_data);
- ocp_data = FIFO_EMPTY_1FB | ROK_EXIT_LPM;
- if (tp->version == RTL_VER_04 && tp->udev->speed != USB_SPEED_SUPER)
- ocp_data |= LPM_TIMER_500MS;
- else
- ocp_data |= LPM_TIMER_500US;
- ocp_write_byte(tp, MCU_TYPE_USB, USB_LPM_CTRL, ocp_data);
- ocp_data = ocp_read_word(tp, MCU_TYPE_USB, USB_AFE_CTRL2);
- ocp_data &= ~SEN_VAL_MASK;
- ocp_data |= SEN_VAL_NORMAL | SEL_RXIDLE;
- ocp_write_word(tp, MCU_TYPE_USB, USB_AFE_CTRL2, ocp_data);
- ocp_write_word(tp, MCU_TYPE_USB, USB_CONNECT_TIMER, 0x0001);
- r8153_power_cut_en(tp, false);
- r8152b_enable_fc(tp);
- rtl_tally_reset(tp);
- }
- static void r8153b_init(struct r8152 *tp)
- {
- u32 ocp_data;
- int i;
- r8153_disable_aldps(tp);
- r8153b_u1u2en(tp, false);
- r8152_wait_for_bit(tp, 0, MCU_TYPE_PLA, PLA_BOOT_CTRL,
- AUTOLOAD_DONE, 1, R8152_WAIT_TIMEOUT);
- for (i = 0; i < R8152_WAIT_TIMEOUT; i++) {
- ocp_data = ocp_reg_read(tp, OCP_PHY_STATUS) & PHY_STAT_MASK;
- if (ocp_data == PHY_STAT_LAN_ON || ocp_data == PHY_STAT_PWRDN)
- break;
- mdelay(1);
- }
- r8153_u2p3en(tp, false);
- /* MSC timer = 0xfff * 8ms = 32760 ms */
- ocp_write_word(tp, MCU_TYPE_USB, USB_MSC_TIMER, 0x0fff);
- r8153_power_cut_en(tp, false);
- /* MAC clock speed down */
- ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_MAC_PWR_CTRL2);
- ocp_data |= MAC_CLK_SPDWN_EN;
- ocp_write_word(tp, MCU_TYPE_PLA, PLA_MAC_PWR_CTRL2, ocp_data);
- ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_MAC_PWR_CTRL3);
- ocp_data &= ~PLA_MCU_SPDWN_EN;
- ocp_write_word(tp, MCU_TYPE_PLA, PLA_MAC_PWR_CTRL3, ocp_data);
- if (tp->version == RTL_VER_09) {
- /* Disable Test IO for 32QFN */
- if (ocp_read_byte(tp, MCU_TYPE_PLA, 0xdc00) & BIT(5)) {
- ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_PHY_PWR);
- ocp_data |= TEST_IO_OFF;
- ocp_write_word(tp, MCU_TYPE_PLA, PLA_PHY_PWR, ocp_data);
- }
- }
- /* rx aggregation */
- ocp_data = ocp_read_word(tp, MCU_TYPE_USB, USB_USB_CTRL);
- ocp_data &= ~(RX_AGG_DISABLE | RX_ZERO_EN);
- ocp_write_word(tp, MCU_TYPE_USB, USB_USB_CTRL, ocp_data);
- rtl_tally_reset(tp);
- r8153b_hw_phy_cfg(tp);
- r8152b_enable_fc(tp);
- }
- static void rtl8152_unload(struct r8152 *tp)
- {
- if (tp->version != RTL_VER_01)
- r8152_power_cut_en(tp, true);
- }
- static void rtl8153_unload(struct r8152 *tp)
- {
- r8153_power_cut_en(tp, false);
- }
- static int rtl_ops_init(struct r8152 *tp)
- {
- struct rtl_ops *ops = &tp->rtl_ops;
- int ret = 0;
- switch (tp->version) {
- case RTL_VER_01:
- case RTL_VER_02:
- case RTL_VER_07:
- ops->init = r8152b_init;
- ops->enable = rtl8152_enable;
- ops->disable = rtl8152_disable;
- ops->up = rtl8152_up;
- ops->down = rtl8152_down;
- ops->unload = rtl8152_unload;
- break;
- case RTL_VER_03:
- case RTL_VER_04:
- case RTL_VER_05:
- case RTL_VER_06:
- ops->init = r8153_init;
- ops->enable = rtl8153_enable;
- ops->disable = rtl8153_disable;
- ops->up = rtl8153_up;
- ops->down = rtl8153_down;
- ops->unload = rtl8153_unload;
- break;
- case RTL_VER_08:
- case RTL_VER_09:
- ops->init = r8153b_init;
- ops->enable = rtl8153_enable;
- ops->disable = rtl8153_disable;
- ops->up = rtl8153b_up;
- ops->down = rtl8153b_down;
- break;
- default:
- ret = -ENODEV;
- printf("r8152 Unknown Device\n");
- break;
- }
- return ret;
- }
- static int r8152_init_common(struct r8152 *tp)
- {
- u8 speed;
- int timeout = 0;
- int link_detected;
- debug("** %s()\n", __func__);
- do {
- speed = rtl8152_get_speed(tp);
- link_detected = speed & LINK_STATUS;
- if (!link_detected) {
- if (timeout == 0)
- printf("Waiting for Ethernet connection... ");
- mdelay(TIMEOUT_RESOLUTION);
- timeout += TIMEOUT_RESOLUTION;
- }
- } while (!link_detected && timeout < PHY_CONNECT_TIMEOUT);
- if (link_detected) {
- tp->rtl_ops.enable(tp);
- if (timeout != 0)
- printf("done.\n");
- } else {
- printf("unable to connect.\n");
- }
- return 0;
- }
- static int r8152_send_common(struct ueth_data *ueth, void *packet, int length)
- {
- struct usb_device *udev = ueth->pusb_dev;
- u32 opts1, opts2 = 0;
- int err;
- int actual_len;
- ALLOC_CACHE_ALIGN_BUFFER(uint8_t, msg,
- PKTSIZE + sizeof(struct tx_desc));
- struct tx_desc *tx_desc = (struct tx_desc *)msg;
- debug("** %s(), len %d\n", __func__, length);
- opts1 = length | TX_FS | TX_LS;
- tx_desc->opts2 = cpu_to_le32(opts2);
- tx_desc->opts1 = cpu_to_le32(opts1);
- memcpy(msg + sizeof(struct tx_desc), (void *)packet, length);
- err = usb_bulk_msg(udev, usb_sndbulkpipe(udev, ueth->ep_out),
- (void *)msg, length + sizeof(struct tx_desc),
- &actual_len, USB_BULK_SEND_TIMEOUT);
- debug("Tx: len = %zu, actual = %u, err = %d\n",
- length + sizeof(struct tx_desc), actual_len, err);
- return err;
- }
- #ifndef CONFIG_DM_ETH
- static int r8152_init(struct eth_device *eth, struct bd_info *bd)
- {
- struct ueth_data *dev = (struct ueth_data *)eth->priv;
- struct r8152 *tp = (struct r8152 *)dev->dev_priv;
- return r8152_init_common(tp);
- }
- static int r8152_send(struct eth_device *eth, void *packet, int length)
- {
- struct ueth_data *dev = (struct ueth_data *)eth->priv;
- return r8152_send_common(dev, packet, length);
- }
- static int r8152_recv(struct eth_device *eth)
- {
- struct ueth_data *dev = (struct ueth_data *)eth->priv;
- ALLOC_CACHE_ALIGN_BUFFER(uint8_t, recv_buf, RTL8152_AGG_BUF_SZ);
- unsigned char *pkt_ptr;
- int err;
- int actual_len;
- u16 packet_len;
- u32 bytes_process = 0;
- struct rx_desc *rx_desc;
- debug("** %s()\n", __func__);
- err = usb_bulk_msg(dev->pusb_dev,
- usb_rcvbulkpipe(dev->pusb_dev, dev->ep_in),
- (void *)recv_buf,
- RTL8152_AGG_BUF_SZ,
- &actual_len,
- USB_BULK_RECV_TIMEOUT);
- debug("Rx: len = %u, actual = %u, err = %d\n", RTL8152_AGG_BUF_SZ,
- actual_len, err);
- if (err != 0) {
- debug("Rx: failed to receive\n");
- return -1;
- }
- if (actual_len > RTL8152_AGG_BUF_SZ) {
- debug("Rx: received too many bytes %d\n", actual_len);
- return -1;
- }
- while (bytes_process < actual_len) {
- rx_desc = (struct rx_desc *)(recv_buf + bytes_process);
- pkt_ptr = recv_buf + sizeof(struct rx_desc) + bytes_process;
- packet_len = le32_to_cpu(rx_desc->opts1) & RX_LEN_MASK;
- packet_len -= CRC_SIZE;
- net_process_received_packet(pkt_ptr, packet_len);
- bytes_process +=
- (packet_len + sizeof(struct rx_desc) + CRC_SIZE);
- if (bytes_process % 8)
- bytes_process = bytes_process + 8 - (bytes_process % 8);
- }
- return 0;
- }
- static void r8152_halt(struct eth_device *eth)
- {
- struct ueth_data *dev = (struct ueth_data *)eth->priv;
- struct r8152 *tp = (struct r8152 *)dev->dev_priv;
- debug("** %s()\n", __func__);
- tp->rtl_ops.disable(tp);
- }
- static int r8152_write_hwaddr(struct eth_device *eth)
- {
- struct ueth_data *dev = (struct ueth_data *)eth->priv;
- struct r8152 *tp = (struct r8152 *)dev->dev_priv;
- unsigned char enetaddr[8] = {0};
- memcpy(enetaddr, eth->enetaddr, ETH_ALEN);
- ocp_write_byte(tp, MCU_TYPE_PLA, PLA_CRWECR, CRWECR_CONFIG);
- pla_ocp_write(tp, PLA_IDR, BYTE_EN_SIX_BYTES, 8, enetaddr);
- ocp_write_byte(tp, MCU_TYPE_PLA, PLA_CRWECR, CRWECR_NORAML);
- debug("MAC %pM\n", eth->enetaddr);
- return 0;
- }
- void r8152_eth_before_probe(void)
- {
- curr_eth_dev = 0;
- }
- /* Probe to see if a new device is actually an realtek device */
- int r8152_eth_probe(struct usb_device *dev, unsigned int ifnum,
- struct ueth_data *ss)
- {
- struct usb_interface *iface;
- struct usb_interface_descriptor *iface_desc;
- int ep_in_found = 0, ep_out_found = 0;
- struct r8152 *tp;
- int i;
- /* let's examine the device now */
- iface = &dev->config.if_desc[ifnum];
- iface_desc = &dev->config.if_desc[ifnum].desc;
- for (i = 0; i < ARRAY_SIZE(r8152_dongles); i++) {
- if (dev->descriptor.idVendor == r8152_dongles[i].vendor &&
- dev->descriptor.idProduct == r8152_dongles[i].product)
- /* Found a supported dongle */
- break;
- }
- if (i == ARRAY_SIZE(r8152_dongles))
- return 0;
- memset(ss, 0, sizeof(struct ueth_data));
- /* At this point, we know we've got a live one */
- debug("\n\nUSB Ethernet device detected: %#04x:%#04x\n",
- dev->descriptor.idVendor, dev->descriptor.idProduct);
- /* Initialize the ueth_data structure with some useful info */
- ss->ifnum = ifnum;
- ss->pusb_dev = dev;
- ss->subclass = iface_desc->bInterfaceSubClass;
- ss->protocol = iface_desc->bInterfaceProtocol;
- /* alloc driver private */
- ss->dev_priv = calloc(1, sizeof(struct r8152));
- if (!ss->dev_priv)
- return 0;
- /*
- * We are expecting a minimum of 3 endpoints - in, out (bulk), and
- * int. We will ignore any others.
- */
- for (i = 0; i < iface_desc->bNumEndpoints; i++) {
- /* is it an BULK endpoint? */
- if ((iface->ep_desc[i].bmAttributes &
- USB_ENDPOINT_XFERTYPE_MASK) == USB_ENDPOINT_XFER_BULK) {
- u8 ep_addr = iface->ep_desc[i].bEndpointAddress;
- if (ep_addr & USB_DIR_IN) {
- if (!ep_in_found) {
- ss->ep_in = ep_addr &
- USB_ENDPOINT_NUMBER_MASK;
- ep_in_found = 1;
- }
- } else {
- if (!ep_out_found) {
- ss->ep_out = ep_addr &
- USB_ENDPOINT_NUMBER_MASK;
- ep_out_found = 1;
- }
- }
- }
- /* is it an interrupt endpoint? */
- if ((iface->ep_desc[i].bmAttributes &
- USB_ENDPOINT_XFERTYPE_MASK) == USB_ENDPOINT_XFER_INT) {
- ss->ep_int = iface->ep_desc[i].bEndpointAddress &
- USB_ENDPOINT_NUMBER_MASK;
- ss->irqinterval = iface->ep_desc[i].bInterval;
- }
- }
- debug("Endpoints In %d Out %d Int %d\n",
- ss->ep_in, ss->ep_out, ss->ep_int);
- /* Do some basic sanity checks, and bail if we find a problem */
- if (usb_set_interface(dev, iface_desc->bInterfaceNumber, 0) ||
- !ss->ep_in || !ss->ep_out || !ss->ep_int) {
- debug("Problems with device\n");
- goto error;
- }
- dev->privptr = (void *)ss;
- tp = ss->dev_priv;
- tp->udev = dev;
- tp->intf = iface;
- r8152b_get_version(tp);
- if (rtl_ops_init(tp))
- goto error;
- tp->rtl_ops.init(tp);
- tp->rtl_ops.up(tp);
- rtl8152_set_speed(tp, AUTONEG_ENABLE,
- tp->supports_gmii ? SPEED_1000 : SPEED_100,
- DUPLEX_FULL);
- return 1;
- error:
- cfree(ss->dev_priv);
- ss->dev_priv = 0;
- return 0;
- }
- int r8152_eth_get_info(struct usb_device *dev, struct ueth_data *ss,
- struct eth_device *eth)
- {
- if (!eth) {
- debug("%s: missing parameter.\n", __func__);
- return 0;
- }
- sprintf(eth->name, "%s#%d", R8152_BASE_NAME, curr_eth_dev++);
- eth->init = r8152_init;
- eth->send = r8152_send;
- eth->recv = r8152_recv;
- eth->halt = r8152_halt;
- eth->write_hwaddr = r8152_write_hwaddr;
- eth->priv = ss;
- /* Get the MAC address */
- if (r8152_read_mac(ss->dev_priv, eth->enetaddr) < 0)
- return 0;
- debug("MAC %pM\n", eth->enetaddr);
- return 1;
- }
- #endif /* !CONFIG_DM_ETH */
- #ifdef CONFIG_DM_ETH
- static int r8152_eth_start(struct udevice *dev)
- {
- struct r8152 *tp = dev_get_priv(dev);
- debug("** %s (%d)\n", __func__, __LINE__);
- return r8152_init_common(tp);
- }
- void r8152_eth_stop(struct udevice *dev)
- {
- struct r8152 *tp = dev_get_priv(dev);
- debug("** %s (%d)\n", __func__, __LINE__);
- tp->rtl_ops.disable(tp);
- }
- int r8152_eth_send(struct udevice *dev, void *packet, int length)
- {
- struct r8152 *tp = dev_get_priv(dev);
- return r8152_send_common(&tp->ueth, packet, length);
- }
- int r8152_eth_recv(struct udevice *dev, int flags, uchar **packetp)
- {
- struct r8152 *tp = dev_get_priv(dev);
- struct ueth_data *ueth = &tp->ueth;
- uint8_t *ptr;
- int ret, len;
- struct rx_desc *rx_desc;
- u16 packet_len;
- len = usb_ether_get_rx_bytes(ueth, &ptr);
- debug("%s: first try, len=%d\n", __func__, len);
- if (!len) {
- if (!(flags & ETH_RECV_CHECK_DEVICE))
- return -EAGAIN;
- ret = usb_ether_receive(ueth, RTL8152_AGG_BUF_SZ);
- if (ret)
- return ret;
- len = usb_ether_get_rx_bytes(ueth, &ptr);
- debug("%s: second try, len=%d\n", __func__, len);
- }
- rx_desc = (struct rx_desc *)ptr;
- packet_len = le32_to_cpu(rx_desc->opts1) & RX_LEN_MASK;
- packet_len -= CRC_SIZE;
- if (packet_len > len - (sizeof(struct rx_desc) + CRC_SIZE)) {
- debug("Rx: too large packet: %d\n", packet_len);
- goto err;
- }
- *packetp = ptr + sizeof(struct rx_desc);
- return packet_len;
- err:
- usb_ether_advance_rxbuf(ueth, -1);
- return -ENOSPC;
- }
- static int r8152_free_pkt(struct udevice *dev, uchar *packet, int packet_len)
- {
- struct r8152 *tp = dev_get_priv(dev);
- packet_len += sizeof(struct rx_desc) + CRC_SIZE;
- packet_len = ALIGN(packet_len, 8);
- usb_ether_advance_rxbuf(&tp->ueth, packet_len);
- return 0;
- }
- static int r8152_write_hwaddr(struct udevice *dev)
- {
- struct eth_pdata *pdata = dev_get_platdata(dev);
- struct r8152 *tp = dev_get_priv(dev);
- unsigned char enetaddr[8] = { 0 };
- debug("** %s (%d)\n", __func__, __LINE__);
- memcpy(enetaddr, pdata->enetaddr, ETH_ALEN);
- ocp_write_byte(tp, MCU_TYPE_PLA, PLA_CRWECR, CRWECR_CONFIG);
- pla_ocp_write(tp, PLA_IDR, BYTE_EN_SIX_BYTES, 8, enetaddr);
- ocp_write_byte(tp, MCU_TYPE_PLA, PLA_CRWECR, CRWECR_NORAML);
- debug("MAC %pM\n", pdata->enetaddr);
- return 0;
- }
- int r8152_read_rom_hwaddr(struct udevice *dev)
- {
- struct eth_pdata *pdata = dev_get_platdata(dev);
- struct r8152 *tp = dev_get_priv(dev);
- debug("** %s (%d)\n", __func__, __LINE__);
- r8152_read_mac(tp, pdata->enetaddr);
- return 0;
- }
- static int r8152_eth_probe(struct udevice *dev)
- {
- struct usb_device *udev = dev_get_parent_priv(dev);
- struct eth_pdata *pdata = dev_get_platdata(dev);
- struct r8152 *tp = dev_get_priv(dev);
- struct ueth_data *ueth = &tp->ueth;
- int ret;
- tp->udev = udev;
- r8152_read_mac(tp, pdata->enetaddr);
- r8152b_get_version(tp);
- ret = rtl_ops_init(tp);
- if (ret)
- return ret;
- tp->rtl_ops.init(tp);
- tp->rtl_ops.up(tp);
- rtl8152_set_speed(tp, AUTONEG_ENABLE,
- tp->supports_gmii ? SPEED_1000 : SPEED_100,
- DUPLEX_FULL);
- return usb_ether_register(dev, ueth, RTL8152_AGG_BUF_SZ);
- }
- static const struct eth_ops r8152_eth_ops = {
- .start = r8152_eth_start,
- .send = r8152_eth_send,
- .recv = r8152_eth_recv,
- .free_pkt = r8152_free_pkt,
- .stop = r8152_eth_stop,
- .write_hwaddr = r8152_write_hwaddr,
- .read_rom_hwaddr = r8152_read_rom_hwaddr,
- };
- U_BOOT_DRIVER(r8152_eth) = {
- .name = "r8152_eth",
- .id = UCLASS_ETH,
- .probe = r8152_eth_probe,
- .ops = &r8152_eth_ops,
- .priv_auto_alloc_size = sizeof(struct r8152),
- .platdata_auto_alloc_size = sizeof(struct eth_pdata),
- };
- static const struct usb_device_id r8152_eth_id_table[] = {
- /* Realtek */
- { USB_DEVICE(0x0bda, 0x8050) },
- { USB_DEVICE(0x0bda, 0x8152) },
- { USB_DEVICE(0x0bda, 0x8153) },
- /* Samsung */
- { USB_DEVICE(0x04e8, 0xa101) },
- /* Lenovo */
- { USB_DEVICE(0x17ef, 0x304f) },
- { USB_DEVICE(0x17ef, 0x3052) },
- { USB_DEVICE(0x17ef, 0x3054) },
- { USB_DEVICE(0x17ef, 0x3057) },
- { USB_DEVICE(0x17ef, 0x7205) },
- { USB_DEVICE(0x17ef, 0x720a) },
- { USB_DEVICE(0x17ef, 0x720b) },
- { USB_DEVICE(0x17ef, 0x720c) },
- /* TP-LINK */
- { USB_DEVICE(0x2357, 0x0601) },
- /* Nvidia */
- { USB_DEVICE(0x0955, 0x09ff) },
- { } /* Terminating entry */
- };
- U_BOOT_USB_DEVICE(r8152_eth, r8152_eth_id_table);
- #endif /* CONFIG_DM_ETH */
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