r8152: support PHY firmware for RTL8156 series

Support new firmware type and method for RTL8156 series.

Signed-off-by: Hayes Wang <hayeswang@realtek.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Hayes Wang 2021-04-16 16:04:36 +08:00 committed by David S. Miller
parent 195aae321c
commit 4a51b0e8a0
1 changed files with 561 additions and 2 deletions

View File

@ -974,8 +974,60 @@ enum rtl8152_fw_flags {
FW_FLAGS_START,
FW_FLAGS_STOP,
FW_FLAGS_NC,
FW_FLAGS_NC1,
FW_FLAGS_NC2,
FW_FLAGS_UC2,
FW_FLAGS_UC,
FW_FLAGS_SPEED_UP,
FW_FLAGS_VER,
};
enum rtl8152_fw_fixup_cmd {
FW_FIXUP_AND = 0,
FW_FIXUP_OR,
FW_FIXUP_NOT,
FW_FIXUP_XOR,
};
struct fw_phy_set {
__le16 addr;
__le16 data;
} __packed;
struct fw_phy_speed_up {
struct fw_block blk_hdr;
__le16 fw_offset;
__le16 version;
__le16 fw_reg;
__le16 reserved;
char info[];
} __packed;
struct fw_phy_ver {
struct fw_block blk_hdr;
struct fw_phy_set ver;
__le32 reserved;
} __packed;
struct fw_phy_fixup {
struct fw_block blk_hdr;
struct fw_phy_set setting;
__le16 bit_cmd;
__le16 reserved;
} __packed;
struct fw_phy_union {
struct fw_block blk_hdr;
__le16 fw_offset;
__le16 fw_reg;
struct fw_phy_set pre_set[2];
struct fw_phy_set bp[8];
struct fw_phy_set bp_en;
u8 pre_num;
u8 bp_num;
char info[];
} __packed;
/**
* struct fw_mac - a firmware block used by RTL_FW_PLA and RTL_FW_USB.
* The layout of the firmware block is:
@ -1080,6 +1132,15 @@ enum rtl_fw_type {
RTL_FW_PHY_START,
RTL_FW_PHY_STOP,
RTL_FW_PHY_NC,
RTL_FW_PHY_FIXUP,
RTL_FW_PHY_UNION_NC,
RTL_FW_PHY_UNION_NC1,
RTL_FW_PHY_UNION_NC2,
RTL_FW_PHY_UNION_UC2,
RTL_FW_PHY_UNION_UC,
RTL_FW_PHY_UNION_MISC,
RTL_FW_PHY_SPEED_UP,
RTL_FW_PHY_VER,
};
enum rtl_version {
@ -3999,6 +4060,162 @@ static int rtl_post_ram_code(struct r8152 *tp, u16 key_addr, bool wait)
return 0;
}
static bool rtl8152_is_fw_phy_speed_up_ok(struct r8152 *tp, struct fw_phy_speed_up *phy)
{
u16 fw_offset;
u32 length;
bool rc = false;
switch (tp->version) {
case RTL_VER_01:
case RTL_VER_02:
case RTL_VER_03:
case RTL_VER_04:
case RTL_VER_05:
case RTL_VER_06:
case RTL_VER_07:
case RTL_VER_08:
case RTL_VER_09:
case RTL_VER_10:
case RTL_VER_11:
case RTL_VER_12:
case RTL_VER_14:
goto out;
case RTL_VER_13:
case RTL_VER_15:
default:
break;
}
fw_offset = __le16_to_cpu(phy->fw_offset);
length = __le32_to_cpu(phy->blk_hdr.length);
if (fw_offset < sizeof(*phy) || length <= fw_offset) {
dev_err(&tp->intf->dev, "invalid fw_offset\n");
goto out;
}
length -= fw_offset;
if (length & 3) {
dev_err(&tp->intf->dev, "invalid block length\n");
goto out;
}
if (__le16_to_cpu(phy->fw_reg) != 0x9A00) {
dev_err(&tp->intf->dev, "invalid register to load firmware\n");
goto out;
}
rc = true;
out:
return rc;
}
static bool rtl8152_is_fw_phy_ver_ok(struct r8152 *tp, struct fw_phy_ver *ver)
{
bool rc = false;
switch (tp->version) {
case RTL_VER_10:
case RTL_VER_11:
case RTL_VER_12:
case RTL_VER_13:
case RTL_VER_15:
break;
default:
goto out;
}
if (__le32_to_cpu(ver->blk_hdr.length) != sizeof(*ver)) {
dev_err(&tp->intf->dev, "invalid block length\n");
goto out;
}
if (__le16_to_cpu(ver->ver.addr) != SRAM_GPHY_FW_VER) {
dev_err(&tp->intf->dev, "invalid phy ver addr\n");
goto out;
}
rc = true;
out:
return rc;
}
static bool rtl8152_is_fw_phy_fixup_ok(struct r8152 *tp, struct fw_phy_fixup *fix)
{
bool rc = false;
switch (tp->version) {
case RTL_VER_10:
case RTL_VER_11:
case RTL_VER_12:
case RTL_VER_13:
case RTL_VER_15:
break;
default:
goto out;
}
if (__le32_to_cpu(fix->blk_hdr.length) != sizeof(*fix)) {
dev_err(&tp->intf->dev, "invalid block length\n");
goto out;
}
if (__le16_to_cpu(fix->setting.addr) != OCP_PHY_PATCH_CMD ||
__le16_to_cpu(fix->setting.data) != BIT(7)) {
dev_err(&tp->intf->dev, "invalid phy fixup\n");
goto out;
}
rc = true;
out:
return rc;
}
static bool rtl8152_is_fw_phy_union_ok(struct r8152 *tp, struct fw_phy_union *phy)
{
u16 fw_offset;
u32 length;
bool rc = false;
switch (tp->version) {
case RTL_VER_10:
case RTL_VER_11:
case RTL_VER_12:
case RTL_VER_13:
case RTL_VER_15:
break;
default:
goto out;
}
fw_offset = __le16_to_cpu(phy->fw_offset);
length = __le32_to_cpu(phy->blk_hdr.length);
if (fw_offset < sizeof(*phy) || length <= fw_offset) {
dev_err(&tp->intf->dev, "invalid fw_offset\n");
goto out;
}
length -= fw_offset;
if (length & 1) {
dev_err(&tp->intf->dev, "invalid block length\n");
goto out;
}
if (phy->pre_num > 2) {
dev_err(&tp->intf->dev, "invalid pre_num %d\n", phy->pre_num);
goto out;
}
if (phy->bp_num > 8) {
dev_err(&tp->intf->dev, "invalid bp_num %d\n", phy->bp_num);
goto out;
}
rc = true;
out:
return rc;
}
static bool rtl8152_is_fw_phy_nc_ok(struct r8152 *tp, struct fw_phy_nc *phy)
{
u32 length;
@ -4319,6 +4536,10 @@ static long rtl8152_check_firmware(struct r8152 *tp, struct rtl_fw *rtl_fw)
case RTL_FW_PHY_START:
if (test_bit(FW_FLAGS_START, &fw_flags) ||
test_bit(FW_FLAGS_NC, &fw_flags) ||
test_bit(FW_FLAGS_NC1, &fw_flags) ||
test_bit(FW_FLAGS_NC2, &fw_flags) ||
test_bit(FW_FLAGS_UC2, &fw_flags) ||
test_bit(FW_FLAGS_UC, &fw_flags) ||
test_bit(FW_FLAGS_STOP, &fw_flags)) {
dev_err(&tp->intf->dev,
"check PHY_START fail\n");
@ -4367,7 +4588,153 @@ static long rtl8152_check_firmware(struct r8152 *tp, struct rtl_fw *rtl_fw)
goto fail;
}
__set_bit(FW_FLAGS_NC, &fw_flags);
break;
case RTL_FW_PHY_UNION_NC:
if (!test_bit(FW_FLAGS_START, &fw_flags) ||
test_bit(FW_FLAGS_NC1, &fw_flags) ||
test_bit(FW_FLAGS_NC2, &fw_flags) ||
test_bit(FW_FLAGS_UC2, &fw_flags) ||
test_bit(FW_FLAGS_UC, &fw_flags) ||
test_bit(FW_FLAGS_STOP, &fw_flags)) {
dev_err(&tp->intf->dev, "PHY_UNION_NC out of order\n");
goto fail;
}
if (test_bit(FW_FLAGS_NC, &fw_flags)) {
dev_err(&tp->intf->dev, "multiple PHY_UNION_NC encountered\n");
goto fail;
}
if (!rtl8152_is_fw_phy_union_ok(tp, (struct fw_phy_union *)block)) {
dev_err(&tp->intf->dev, "check PHY_UNION_NC failed\n");
goto fail;
}
__set_bit(FW_FLAGS_NC, &fw_flags);
break;
case RTL_FW_PHY_UNION_NC1:
if (!test_bit(FW_FLAGS_START, &fw_flags) ||
test_bit(FW_FLAGS_NC2, &fw_flags) ||
test_bit(FW_FLAGS_UC2, &fw_flags) ||
test_bit(FW_FLAGS_UC, &fw_flags) ||
test_bit(FW_FLAGS_STOP, &fw_flags)) {
dev_err(&tp->intf->dev, "PHY_UNION_NC1 out of order\n");
goto fail;
}
if (test_bit(FW_FLAGS_NC1, &fw_flags)) {
dev_err(&tp->intf->dev, "multiple PHY NC1 encountered\n");
goto fail;
}
if (!rtl8152_is_fw_phy_union_ok(tp, (struct fw_phy_union *)block)) {
dev_err(&tp->intf->dev, "check PHY_UNION_NC1 failed\n");
goto fail;
}
__set_bit(FW_FLAGS_NC1, &fw_flags);
break;
case RTL_FW_PHY_UNION_NC2:
if (!test_bit(FW_FLAGS_START, &fw_flags) ||
test_bit(FW_FLAGS_UC2, &fw_flags) ||
test_bit(FW_FLAGS_UC, &fw_flags) ||
test_bit(FW_FLAGS_STOP, &fw_flags)) {
dev_err(&tp->intf->dev, "PHY_UNION_NC2 out of order\n");
goto fail;
}
if (test_bit(FW_FLAGS_NC2, &fw_flags)) {
dev_err(&tp->intf->dev, "multiple PHY NC2 encountered\n");
goto fail;
}
if (!rtl8152_is_fw_phy_union_ok(tp, (struct fw_phy_union *)block)) {
dev_err(&tp->intf->dev, "check PHY_UNION_NC2 failed\n");
goto fail;
}
__set_bit(FW_FLAGS_NC2, &fw_flags);
break;
case RTL_FW_PHY_UNION_UC2:
if (!test_bit(FW_FLAGS_START, &fw_flags) ||
test_bit(FW_FLAGS_UC, &fw_flags) ||
test_bit(FW_FLAGS_STOP, &fw_flags)) {
dev_err(&tp->intf->dev, "PHY_UNION_UC2 out of order\n");
goto fail;
}
if (test_bit(FW_FLAGS_UC2, &fw_flags)) {
dev_err(&tp->intf->dev, "multiple PHY UC2 encountered\n");
goto fail;
}
if (!rtl8152_is_fw_phy_union_ok(tp, (struct fw_phy_union *)block)) {
dev_err(&tp->intf->dev, "check PHY_UNION_UC2 failed\n");
goto fail;
}
__set_bit(FW_FLAGS_UC2, &fw_flags);
break;
case RTL_FW_PHY_UNION_UC:
if (!test_bit(FW_FLAGS_START, &fw_flags) ||
test_bit(FW_FLAGS_STOP, &fw_flags)) {
dev_err(&tp->intf->dev, "PHY_UNION_UC out of order\n");
goto fail;
}
if (test_bit(FW_FLAGS_UC, &fw_flags)) {
dev_err(&tp->intf->dev, "multiple PHY UC encountered\n");
goto fail;
}
if (!rtl8152_is_fw_phy_union_ok(tp, (struct fw_phy_union *)block)) {
dev_err(&tp->intf->dev, "check PHY_UNION_UC failed\n");
goto fail;
}
__set_bit(FW_FLAGS_UC, &fw_flags);
break;
case RTL_FW_PHY_UNION_MISC:
if (!rtl8152_is_fw_phy_union_ok(tp, (struct fw_phy_union *)block)) {
dev_err(&tp->intf->dev, "check RTL_FW_PHY_UNION_MISC failed\n");
goto fail;
}
break;
case RTL_FW_PHY_FIXUP:
if (!rtl8152_is_fw_phy_fixup_ok(tp, (struct fw_phy_fixup *)block)) {
dev_err(&tp->intf->dev, "check PHY fixup failed\n");
goto fail;
}
break;
case RTL_FW_PHY_SPEED_UP:
if (test_bit(FW_FLAGS_SPEED_UP, &fw_flags)) {
dev_err(&tp->intf->dev, "multiple PHY firmware encountered");
goto fail;
}
if (!rtl8152_is_fw_phy_speed_up_ok(tp, (struct fw_phy_speed_up *)block)) {
dev_err(&tp->intf->dev, "check PHY speed up failed\n");
goto fail;
}
__set_bit(FW_FLAGS_SPEED_UP, &fw_flags);
break;
case RTL_FW_PHY_VER:
if (test_bit(FW_FLAGS_START, &fw_flags) ||
test_bit(FW_FLAGS_NC, &fw_flags) ||
test_bit(FW_FLAGS_NC1, &fw_flags) ||
test_bit(FW_FLAGS_NC2, &fw_flags) ||
test_bit(FW_FLAGS_UC2, &fw_flags) ||
test_bit(FW_FLAGS_UC, &fw_flags) ||
test_bit(FW_FLAGS_STOP, &fw_flags)) {
dev_err(&tp->intf->dev, "Invalid order to set PHY version\n");
goto fail;
}
if (test_bit(FW_FLAGS_VER, &fw_flags)) {
dev_err(&tp->intf->dev, "multiple PHY version encountered");
goto fail;
}
if (!rtl8152_is_fw_phy_ver_ok(tp, (struct fw_phy_ver *)block)) {
dev_err(&tp->intf->dev, "check PHY version failed\n");
goto fail;
}
__set_bit(FW_FLAGS_VER, &fw_flags);
break;
default:
dev_warn(&tp->intf->dev, "Unknown type %u is found\n",
@ -4390,6 +4757,143 @@ fail:
return ret;
}
static void rtl_ram_code_speed_up(struct r8152 *tp, struct fw_phy_speed_up *phy, bool wait)
{
u32 len;
u8 *data;
if (sram_read(tp, SRAM_GPHY_FW_VER) >= __le16_to_cpu(phy->version)) {
dev_dbg(&tp->intf->dev, "PHY firmware has been the newest\n");
return;
}
len = __le32_to_cpu(phy->blk_hdr.length);
len -= __le16_to_cpu(phy->fw_offset);
data = (u8 *)phy + __le16_to_cpu(phy->fw_offset);
if (rtl_phy_patch_request(tp, true, wait))
return;
while (len) {
u32 ocp_data, size;
int i;
if (len < 2048)
size = len;
else
size = 2048;
ocp_data = ocp_read_word(tp, MCU_TYPE_USB, USB_GPHY_CTRL);
ocp_data |= GPHY_PATCH_DONE | BACKUP_RESTRORE;
ocp_write_word(tp, MCU_TYPE_USB, USB_GPHY_CTRL, ocp_data);
generic_ocp_write(tp, __le16_to_cpu(phy->fw_reg), 0xff, size, data, MCU_TYPE_USB);
data += size;
len -= size;
ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_POL_GPIO_CTRL);
ocp_data |= POL_GPHY_PATCH;
ocp_write_word(tp, MCU_TYPE_PLA, PLA_POL_GPIO_CTRL, ocp_data);
for (i = 0; i < 1000; i++) {
if (!(ocp_read_word(tp, MCU_TYPE_PLA, PLA_POL_GPIO_CTRL) & POL_GPHY_PATCH))
break;
}
if (i == 1000) {
dev_err(&tp->intf->dev, "ram code speedup mode timeout\n");
return;
}
}
ocp_write_word(tp, MCU_TYPE_PLA, PLA_OCP_GPHY_BASE, tp->ocp_base);
rtl_phy_patch_request(tp, false, wait);
if (sram_read(tp, SRAM_GPHY_FW_VER) == __le16_to_cpu(phy->version))
dev_dbg(&tp->intf->dev, "successfully applied %s\n", phy->info);
else
dev_err(&tp->intf->dev, "ram code speedup mode fail\n");
}
static int rtl8152_fw_phy_ver(struct r8152 *tp, struct fw_phy_ver *phy_ver)
{
u16 ver_addr, ver;
ver_addr = __le16_to_cpu(phy_ver->ver.addr);
ver = __le16_to_cpu(phy_ver->ver.data);
if (sram_read(tp, ver_addr) >= ver) {
dev_dbg(&tp->intf->dev, "PHY firmware has been the newest\n");
return 0;
}
sram_write(tp, ver_addr, ver);
dev_dbg(&tp->intf->dev, "PHY firmware version %x\n", ver);
return ver;
}
static void rtl8152_fw_phy_fixup(struct r8152 *tp, struct fw_phy_fixup *fix)
{
u16 addr, data;
addr = __le16_to_cpu(fix->setting.addr);
data = ocp_reg_read(tp, addr);
switch (__le16_to_cpu(fix->bit_cmd)) {
case FW_FIXUP_AND:
data &= __le16_to_cpu(fix->setting.data);
break;
case FW_FIXUP_OR:
data |= __le16_to_cpu(fix->setting.data);
break;
case FW_FIXUP_NOT:
data &= ~__le16_to_cpu(fix->setting.data);
break;
case FW_FIXUP_XOR:
data ^= __le16_to_cpu(fix->setting.data);
break;
default:
return;
}
ocp_reg_write(tp, addr, data);
dev_dbg(&tp->intf->dev, "applied ocp %x %x\n", addr, data);
}
static void rtl8152_fw_phy_union_apply(struct r8152 *tp, struct fw_phy_union *phy)
{
__le16 *data;
u32 length;
int i, num;
num = phy->pre_num;
for (i = 0; i < num; i++)
sram_write(tp, __le16_to_cpu(phy->pre_set[i].addr),
__le16_to_cpu(phy->pre_set[i].data));
length = __le32_to_cpu(phy->blk_hdr.length);
length -= __le16_to_cpu(phy->fw_offset);
num = length / 2;
data = (__le16 *)((u8 *)phy + __le16_to_cpu(phy->fw_offset));
ocp_reg_write(tp, OCP_SRAM_ADDR, __le16_to_cpu(phy->fw_reg));
for (i = 0; i < num; i++)
ocp_reg_write(tp, OCP_SRAM_DATA, __le16_to_cpu(data[i]));
num = phy->bp_num;
for (i = 0; i < num; i++)
sram_write(tp, __le16_to_cpu(phy->bp[i].addr), __le16_to_cpu(phy->bp[i].data));
if (phy->bp_num && phy->bp_en.addr)
sram_write(tp, __le16_to_cpu(phy->bp_en.addr), __le16_to_cpu(phy->bp_en.data));
dev_dbg(&tp->intf->dev, "successfully applied %s\n", phy->info);
}
static void rtl8152_fw_phy_nc_apply(struct r8152 *tp, struct fw_phy_nc *phy)
{
u16 mode_reg, bp_index;
@ -4443,6 +4947,12 @@ static void rtl8152_fw_mac_apply(struct r8152 *tp, struct fw_mac *mac)
return;
}
fw_ver_reg = __le16_to_cpu(mac->fw_ver_reg);
if (fw_ver_reg && ocp_read_byte(tp, MCU_TYPE_USB, fw_ver_reg) >= mac->fw_ver_data) {
dev_dbg(&tp->intf->dev, "%s firmware has been the newest\n", type ? "PLA" : "USB");
return;
}
rtl_clear_bp(tp, type);
/* Enable backup/restore of MACDBG. This is required after clearing PLA
@ -4478,7 +4988,6 @@ static void rtl8152_fw_mac_apply(struct r8152 *tp, struct fw_mac *mac)
ocp_write_word(tp, type, bp_en_addr,
__le16_to_cpu(mac->bp_en_value));
fw_ver_reg = __le16_to_cpu(mac->fw_ver_reg);
if (fw_ver_reg)
ocp_write_byte(tp, MCU_TYPE_USB, fw_ver_reg,
mac->fw_ver_data);
@ -4493,7 +5002,7 @@ static void rtl8152_apply_firmware(struct r8152 *tp, bool power_cut)
struct fw_header *fw_hdr;
struct fw_phy_patch_key *key;
u16 key_addr = 0;
int i;
int i, patch_phy = 1;
if (IS_ERR_OR_NULL(rtl_fw->fw))
return;
@ -4515,17 +5024,40 @@ static void rtl8152_apply_firmware(struct r8152 *tp, bool power_cut)
rtl8152_fw_mac_apply(tp, (struct fw_mac *)block);
break;
case RTL_FW_PHY_START:
if (!patch_phy)
break;
key = (struct fw_phy_patch_key *)block;
key_addr = __le16_to_cpu(key->key_reg);
rtl_pre_ram_code(tp, key_addr, __le16_to_cpu(key->key_data), !power_cut);
break;
case RTL_FW_PHY_STOP:
if (!patch_phy)
break;
WARN_ON(!key_addr);
rtl_post_ram_code(tp, key_addr, !power_cut);
break;
case RTL_FW_PHY_NC:
rtl8152_fw_phy_nc_apply(tp, (struct fw_phy_nc *)block);
break;
case RTL_FW_PHY_VER:
patch_phy = rtl8152_fw_phy_ver(tp, (struct fw_phy_ver *)block);
break;
case RTL_FW_PHY_UNION_NC:
case RTL_FW_PHY_UNION_NC1:
case RTL_FW_PHY_UNION_NC2:
case RTL_FW_PHY_UNION_UC2:
case RTL_FW_PHY_UNION_UC:
case RTL_FW_PHY_UNION_MISC:
if (patch_phy)
rtl8152_fw_phy_union_apply(tp, (struct fw_phy_union *)block);
break;
case RTL_FW_PHY_FIXUP:
if (patch_phy)
rtl8152_fw_phy_fixup(tp, (struct fw_phy_fixup *)block);
break;
case RTL_FW_PHY_SPEED_UP:
rtl_ram_code_speed_up(tp, (struct fw_phy_speed_up *)block, !power_cut);
break;
default:
break;
}
@ -5033,6 +5565,21 @@ static int r8153c_post_firmware_1(struct r8152 *tp)
return 0;
}
static int r8156a_post_firmware_1(struct r8152 *tp)
{
u32 ocp_data;
ocp_data = ocp_read_word(tp, MCU_TYPE_USB, USB_FW_FIX_EN1);
ocp_data |= FW_IP_RESET_EN;
ocp_write_word(tp, MCU_TYPE_USB, USB_FW_FIX_EN1, ocp_data);
/* Modify U3PHY parameter for compatibility issue */
ocp_write_dword(tp, MCU_TYPE_USB, USB_UPHY3_MDCMDIO, 0x4026840e);
ocp_write_dword(tp, MCU_TYPE_USB, USB_UPHY3_MDCMDIO, 0x4001acc9);
return 0;
}
static void r8153_aldps_en(struct r8152 *tp, bool enable)
{
u16 data;
@ -8650,12 +9197,16 @@ static int rtl_ops_init(struct r8152 *tp)
#define FIRMWARE_8153A_4 "rtl_nic/rtl8153a-4.fw"
#define FIRMWARE_8153B_2 "rtl_nic/rtl8153b-2.fw"
#define FIRMWARE_8153C_1 "rtl_nic/rtl8153c-1.fw"
#define FIRMWARE_8156A_2 "rtl_nic/rtl8156a-2.fw"
#define FIRMWARE_8156B_2 "rtl_nic/rtl8156b-2.fw"
MODULE_FIRMWARE(FIRMWARE_8153A_2);
MODULE_FIRMWARE(FIRMWARE_8153A_3);
MODULE_FIRMWARE(FIRMWARE_8153A_4);
MODULE_FIRMWARE(FIRMWARE_8153B_2);
MODULE_FIRMWARE(FIRMWARE_8153C_1);
MODULE_FIRMWARE(FIRMWARE_8156A_2);
MODULE_FIRMWARE(FIRMWARE_8156B_2);
static int rtl_fw_init(struct r8152 *tp)
{
@ -8681,6 +9232,14 @@ static int rtl_fw_init(struct r8152 *tp)
rtl_fw->pre_fw = r8153b_pre_firmware_1;
rtl_fw->post_fw = r8153b_post_firmware_1;
break;
case RTL_VER_11:
rtl_fw->fw_name = FIRMWARE_8156A_2;
rtl_fw->post_fw = r8156a_post_firmware_1;
break;
case RTL_VER_13:
case RTL_VER_15:
rtl_fw->fw_name = FIRMWARE_8156B_2;
break;
case RTL_VER_14:
rtl_fw->fw_name = FIRMWARE_8153C_1;
rtl_fw->pre_fw = r8153b_pre_firmware_1;