Skip to content

cloud-kernel
cloud-kernel

openanolis / cloud-kernel
接近 2 年 前同步成功

通知 169
Star 36
Fork 7
cloud-kernel
cloud-kernel
提交 549b32af 编写于 作者: L Lendacky, Thomas 提交者： David S. Miller
浏览文件
操作

amd-xgbe: Simplify mailbox interface rate change code 

Simplify and centralize the mailbox command rate change interface by
having a single function perform the writes to the mailbox registers
to issue the request.
Signed-off-by: NTom Lendacky <thomas.lendacky@amd.com>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>
上级 e3ef6983
隐藏空白更改
内联 并排
Showing with 29 addition and 126 deletion
drivers/net/ethernet/amd/xgbe/xgbe-phy-v2.c
浏览文件 @ 549b32af
......@@ -1694,19 +1694,25 @@ static void xgbe_phy_set_redrv_mode(struct xgbe_prv_data *pdata)
xgbe_phy_put_comm_ownership(pdata);
}
static void xgbe_phy_start_ratechange(struct xgbe_prv_data *pdata)
static void xgbe_phy_perform_ratechange(struct xgbe_prv_data *pdata,
unsigned int cmd, unsigned int sub_cmd)
{
if (!XP_IOREAD_BITS(pdata, XP_DRIVER_INT_RO, STATUS))
return;
unsigned int s0 = 0;
unsigned int wait;
/* Log if a previous command did not complete */
netif_dbg(pdata, link, pdata->netdev,
"firmware mailbox not ready for command\n");
}
if (XP_IOREAD_BITS(pdata, XP_DRIVER_INT_RO, STATUS))
netif_dbg(pdata, link, pdata->netdev,
"firmware mailbox not ready for command\n");
static void xgbe_phy_complete_ratechange(struct xgbe_prv_data *pdata)
{
unsigned int wait;
/* Construct the command */
XP_SET_BITS(s0, XP_DRIVER_SCRATCH_0, COMMAND, cmd);
XP_SET_BITS(s0, XP_DRIVER_SCRATCH_0, SUB_COMMAND, sub_cmd);
/* Issue the command */
XP_IOWRITE(pdata, XP_DRIVER_SCRATCH_0, s0);
XP_IOWRITE(pdata, XP_DRIVER_SCRATCH_1, 0);
XP_IOWRITE_BITS(pdata, XP_DRIVER_INT_REQ, REQUEST, 1);
/* Wait for command to complete */
wait = XGBE_RATECHANGE_COUNT;
......@@ -1723,21 +1729,8 @@ static void xgbe_phy_complete_ratechange(struct xgbe_prv_data *pdata)
static void xgbe_phy_rrc(struct xgbe_prv_data *pdata)
{
unsigned int s0;
xgbe_phy_start_ratechange(pdata);
/* Receiver Reset Cycle */
s0 = 0;
XP_SET_BITS(s0, XP_DRIVER_SCRATCH_0, COMMAND, 5);
XP_SET_BITS(s0, XP_DRIVER_SCRATCH_0, SUB_COMMAND, 0);
/* Call FW to make the change */
XP_IOWRITE(pdata, XP_DRIVER_SCRATCH_0, s0);
XP_IOWRITE(pdata, XP_DRIVER_SCRATCH_1, 0);
XP_IOWRITE_BITS(pdata, XP_DRIVER_INT_REQ, REQUEST, 1);
xgbe_phy_complete_ratechange(pdata);
xgbe_phy_perform_ratechange(pdata, 5, 0);
netif_dbg(pdata, link, pdata->netdev, "receiver reset complete\n");
}
......@@ -1746,14 +1739,8 @@ static void xgbe_phy_power_off(struct xgbe_prv_data *pdata)
{
struct xgbe_phy_data *phy_data = pdata->phy_data;
xgbe_phy_start_ratechange(pdata);
/* Call FW to make the change */
XP_IOWRITE(pdata, XP_DRIVER_SCRATCH_0, 0);
XP_IOWRITE(pdata, XP_DRIVER_SCRATCH_1, 0);
XP_IOWRITE_BITS(pdata, XP_DRIVER_INT_REQ, REQUEST, 1);
xgbe_phy_complete_ratechange(pdata);
/* Power off */
xgbe_phy_perform_ratechange(pdata, 0, 0);
phy_data->cur_mode = XGBE_MODE_UNKNOWN;
......@@ -1763,33 +1750,21 @@ static void xgbe_phy_power_off(struct xgbe_prv_data *pdata)
static void xgbe_phy_sfi_mode(struct xgbe_prv_data *pdata)
{
struct xgbe_phy_data *phy_data = pdata->phy_data;
unsigned int s0;
xgbe_phy_set_redrv_mode(pdata);
xgbe_phy_start_ratechange(pdata);
/* 10G/SFI */
s0 = 0;
XP_SET_BITS(s0, XP_DRIVER_SCRATCH_0, COMMAND, 3);
if (phy_data->sfp_cable != XGBE_SFP_CABLE_PASSIVE) {
XP_SET_BITS(s0, XP_DRIVER_SCRATCH_0, SUB_COMMAND, 0);
xgbe_phy_perform_ratechange(pdata, 3, 0);
} else {
if (phy_data->sfp_cable_len <= 1)
XP_SET_BITS(s0, XP_DRIVER_SCRATCH_0, SUB_COMMAND, 1);
xgbe_phy_perform_ratechange(pdata, 3, 1);
else if (phy_data->sfp_cable_len <= 3)
XP_SET_BITS(s0, XP_DRIVER_SCRATCH_0, SUB_COMMAND, 2);
xgbe_phy_perform_ratechange(pdata, 3, 2);
else
XP_SET_BITS(s0, XP_DRIVER_SCRATCH_0, SUB_COMMAND, 3);
xgbe_phy_perform_ratechange(pdata, 3, 3);
}
/* Call FW to make the change */
XP_IOWRITE(pdata, XP_DRIVER_SCRATCH_0, s0);
XP_IOWRITE(pdata, XP_DRIVER_SCRATCH_1, 0);
XP_IOWRITE_BITS(pdata, XP_DRIVER_INT_REQ, REQUEST, 1);
xgbe_phy_complete_ratechange(pdata);
phy_data->cur_mode = XGBE_MODE_SFI;
netif_dbg(pdata, link, pdata->netdev, "10GbE SFI mode set\n");
......@@ -1798,23 +1773,11 @@ static void xgbe_phy_sfi_mode(struct xgbe_prv_data *pdata)
static void xgbe_phy_x_mode(struct xgbe_prv_data *pdata)
{
struct xgbe_phy_data *phy_data = pdata->phy_data;
unsigned int s0;
xgbe_phy_set_redrv_mode(pdata);
xgbe_phy_start_ratechange(pdata);
/* 1G/X */
s0 = 0;
XP_SET_BITS(s0, XP_DRIVER_SCRATCH_0, COMMAND, 1);
XP_SET_BITS(s0, XP_DRIVER_SCRATCH_0, SUB_COMMAND, 3);
/* Call FW to make the change */
XP_IOWRITE(pdata, XP_DRIVER_SCRATCH_0, s0);
XP_IOWRITE(pdata, XP_DRIVER_SCRATCH_1, 0);
XP_IOWRITE_BITS(pdata, XP_DRIVER_INT_REQ, REQUEST, 1);
xgbe_phy_complete_ratechange(pdata);
xgbe_phy_perform_ratechange(pdata, 1, 3);
phy_data->cur_mode = XGBE_MODE_X;
......@@ -1824,23 +1787,11 @@ static void xgbe_phy_x_mode(struct xgbe_prv_data *pdata)
static void xgbe_phy_sgmii_1000_mode(struct xgbe_prv_data *pdata)
{
struct xgbe_phy_data *phy_data = pdata->phy_data;
unsigned int s0;
xgbe_phy_set_redrv_mode(pdata);
xgbe_phy_start_ratechange(pdata);
/* 1G/SGMII */
s0 = 0;
XP_SET_BITS(s0, XP_DRIVER_SCRATCH_0, COMMAND, 1);
XP_SET_BITS(s0, XP_DRIVER_SCRATCH_0, SUB_COMMAND, 2);
/* Call FW to make the change */
XP_IOWRITE(pdata, XP_DRIVER_SCRATCH_0, s0);
XP_IOWRITE(pdata, XP_DRIVER_SCRATCH_1, 0);
XP_IOWRITE_BITS(pdata, XP_DRIVER_INT_REQ, REQUEST, 1);
xgbe_phy_complete_ratechange(pdata);
xgbe_phy_perform_ratechange(pdata, 1, 2);
phy_data->cur_mode = XGBE_MODE_SGMII_1000;
......@@ -1850,23 +1801,11 @@ static void xgbe_phy_sgmii_1000_mode(struct xgbe_prv_data *pdata)
static void xgbe_phy_sgmii_100_mode(struct xgbe_prv_data *pdata)
{
struct xgbe_phy_data *phy_data = pdata->phy_data;
unsigned int s0;
xgbe_phy_set_redrv_mode(pdata);
xgbe_phy_start_ratechange(pdata);
/* 1G/SGMII */
s0 = 0;
XP_SET_BITS(s0, XP_DRIVER_SCRATCH_0, COMMAND, 1);
XP_SET_BITS(s0, XP_DRIVER_SCRATCH_0, SUB_COMMAND, 1);
/* Call FW to make the change */
XP_IOWRITE(pdata, XP_DRIVER_SCRATCH_0, s0);
XP_IOWRITE(pdata, XP_DRIVER_SCRATCH_1, 0);
XP_IOWRITE_BITS(pdata, XP_DRIVER_INT_REQ, REQUEST, 1);
xgbe_phy_complete_ratechange(pdata);
/* 100M/SGMII */
xgbe_phy_perform_ratechange(pdata, 1, 1);
phy_data->cur_mode = XGBE_MODE_SGMII_100;
......@@ -1876,23 +1815,11 @@ static void xgbe_phy_sgmii_100_mode(struct xgbe_prv_data *pdata)
static void xgbe_phy_kr_mode(struct xgbe_prv_data *pdata)
{
struct xgbe_phy_data *phy_data = pdata->phy_data;
unsigned int s0;
xgbe_phy_set_redrv_mode(pdata);
xgbe_phy_start_ratechange(pdata);
/* 10G/KR */
s0 = 0;
XP_SET_BITS(s0, XP_DRIVER_SCRATCH_0, COMMAND, 4);
XP_SET_BITS(s0, XP_DRIVER_SCRATCH_0, SUB_COMMAND, 0);
/* Call FW to make the change */
XP_IOWRITE(pdata, XP_DRIVER_SCRATCH_0, s0);
XP_IOWRITE(pdata, XP_DRIVER_SCRATCH_1, 0);
XP_IOWRITE_BITS(pdata, XP_DRIVER_INT_REQ, REQUEST, 1);
xgbe_phy_complete_ratechange(pdata);
xgbe_phy_perform_ratechange(pdata, 4, 0);
phy_data->cur_mode = XGBE_MODE_KR;
......@@ -1902,23 +1829,11 @@ static void xgbe_phy_kr_mode(struct xgbe_prv_data *pdata)
static void xgbe_phy_kx_2500_mode(struct xgbe_prv_data *pdata)
{
struct xgbe_phy_data *phy_data = pdata->phy_data;
unsigned int s0;
xgbe_phy_set_redrv_mode(pdata);
xgbe_phy_start_ratechange(pdata);
/* 2.5G/KX */
s0 = 0;
XP_SET_BITS(s0, XP_DRIVER_SCRATCH_0, COMMAND, 2);
XP_SET_BITS(s0, XP_DRIVER_SCRATCH_0, SUB_COMMAND, 0);
/* Call FW to make the change */
XP_IOWRITE(pdata, XP_DRIVER_SCRATCH_0, s0);
XP_IOWRITE(pdata, XP_DRIVER_SCRATCH_1, 0);
XP_IOWRITE_BITS(pdata, XP_DRIVER_INT_REQ, REQUEST, 1);
xgbe_phy_complete_ratechange(pdata);
xgbe_phy_perform_ratechange(pdata, 2, 0);
phy_data->cur_mode = XGBE_MODE_KX_2500;
......@@ -1928,23 +1843,11 @@ static void xgbe_phy_kx_2500_mode(struct xgbe_prv_data *pdata)
static void xgbe_phy_kx_1000_mode(struct xgbe_prv_data *pdata)
{
struct xgbe_phy_data *phy_data = pdata->phy_data;
unsigned int s0;
xgbe_phy_set_redrv_mode(pdata);
xgbe_phy_start_ratechange(pdata);
/* 1G/KX */
s0 = 0;
XP_SET_BITS(s0, XP_DRIVER_SCRATCH_0, COMMAND, 1);
XP_SET_BITS(s0, XP_DRIVER_SCRATCH_0, SUB_COMMAND, 3);
/* Call FW to make the change */
XP_IOWRITE(pdata, XP_DRIVER_SCRATCH_0, s0);
XP_IOWRITE(pdata, XP_DRIVER_SCRATCH_1, 0);
XP_IOWRITE_BITS(pdata, XP_DRIVER_INT_REQ, REQUEST, 1);
xgbe_phy_complete_ratechange(pdata);
xgbe_phy_perform_ratechange(pdata, 1, 3);
phy_data->cur_mode = XGBE_MODE_KX_1000;
......
Markdown is supported
0% 或 .
You are about to add 0 people to the discussion. Proceed with caution.
先完成此消息的编辑！
想要评论请 注册 或