From: "Namburu, Chandu-babu" <chandu@amd.com>
To: "Sebastian, Selwin" <Selwin.Sebastian@amd.com>,
"dev@dpdk.org" <dev@dpdk.org>
Subject: RE: [PATCH v1 3/6] net/axgbe: simplify mailbox interface rate change code
Date: Mon, 24 Jan 2022 16:39:57 +0000 [thread overview]
Message-ID: <MW2PR12MB2538D96877324C5A3DEB5BADC85E9@MW2PR12MB2538.namprd12.prod.outlook.com> (raw)
In-Reply-To: <20220110113509.553184-4-ssebasti@amd.com>
[Public]
Acked-by: Chandubabu Namburu <chandu@amd.com>
-----Original Message-----
From: ssebasti@amd.com <ssebasti@amd.com>
Sent: Monday, January 10, 2022 5:05 PM
To: dev@dpdk.org
Subject: [PATCH v1 3/6] net/axgbe: simplify mailbox interface rate change code
From: Selwin Sebastian <selwin.sebastian@amd.com>
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: Selwin Sebastian <selwin.sebastian@amd.com>
---
drivers/net/axgbe/axgbe_phy_impl.c | 95 ++++++++----------------------
1 file changed, 23 insertions(+), 72 deletions(-)
diff --git a/drivers/net/axgbe/axgbe_phy_impl.c b/drivers/net/axgbe/axgbe_phy_impl.c
index dc9489f0aa..0894dbf74b 100644
--- a/drivers/net/axgbe/axgbe_phy_impl.c
+++ b/drivers/net/axgbe/axgbe_phy_impl.c
@@ -1207,21 +1207,26 @@ static void axgbe_phy_pll_ctrl(struct axgbe_port *pdata, bool enable)
rte_delay_us(150);
}
-static void axgbe_phy_start_ratechange(struct axgbe_port *pdata)
+static void axgbe_phy_perform_ratechange(struct axgbe_port *pdata,
+ unsigned int cmd, unsigned int sub_cmd)
{
+ unsigned int s0 = 0;
+ unsigned int wait;
/* Clear the PLL so that it helps in power down sequence */
axgbe_phy_pll_ctrl(pdata, false);
/* Log if a previous command did not complete */
if (XP_IOREAD_BITS(pdata, XP_DRIVER_INT_RO, STATUS))
PMD_DRV_LOG(NOTICE, "firmware mailbox not ready for command\n");
- else
- return;
-}
-static void axgbe_phy_complete_ratechange(struct axgbe_port *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 = AXGBE_RATECHANGE_COUNT;
@@ -1240,21 +1245,10 @@ static void axgbe_phy_complete_ratechange(struct axgbe_port *pdata)
static void axgbe_phy_rrc(struct axgbe_port *pdata) {
- unsigned int s0;
- axgbe_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);
-
- axgbe_phy_complete_ratechange(pdata);
+ axgbe_phy_perform_ratechange(pdata, 5, 0);
PMD_DRV_LOG(DEBUG, "receiver reset complete\n"); } @@ -1263,13 +1257,9 @@ static void axgbe_phy_power_off(struct axgbe_port *pdata) {
struct axgbe_phy_data *phy_data = pdata->phy_data;
- axgbe_phy_start_ratechange(pdata);
+ /* Power off */
+ axgbe_phy_perform_ratechange(pdata, 0, 0);
- /* 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);
- axgbe_phy_complete_ratechange(pdata);
phy_data->cur_mode = AXGBE_MODE_UNKNOWN;
PMD_DRV_LOG(DEBUG, "phy powered off\n"); @@ -1278,31 +1268,21 @@ static void axgbe_phy_power_off(struct axgbe_port *pdata) static void axgbe_phy_sfi_mode(struct axgbe_port *pdata) {
struct axgbe_phy_data *phy_data = pdata->phy_data;
- unsigned int s0;
axgbe_phy_set_redrv_mode(pdata);
- axgbe_phy_start_ratechange(pdata);
-
/* 10G/SFI */
- s0 = 0;
- XP_SET_BITS(s0, XP_DRIVER_SCRATCH_0, COMMAND, 3);
if (phy_data->sfp_cable != AXGBE_SFP_CABLE_PASSIVE) {
- XP_SET_BITS(s0, XP_DRIVER_SCRATCH_0, SUB_COMMAND, 0);
+ axgbe_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);
+ axgbe_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);
+ axgbe_phy_perform_ratechange(pdata, 3, 2);
else
- XP_SET_BITS(s0, XP_DRIVER_SCRATCH_0, SUB_COMMAND, 3);
+ axgbe_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);
- axgbe_phy_complete_ratechange(pdata);
phy_data->cur_mode = AXGBE_MODE_SFI;
PMD_DRV_LOG(DEBUG, "10GbE SFI mode set\n"); @@ -1311,22 +1291,11 @@ static void axgbe_phy_sfi_mode(struct axgbe_port *pdata) static void axgbe_phy_kr_mode(struct axgbe_port *pdata) {
struct axgbe_phy_data *phy_data = pdata->phy_data;
- unsigned int s0;
axgbe_phy_set_redrv_mode(pdata);
- axgbe_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);
- axgbe_phy_complete_ratechange(pdata);
+ axgbe_phy_perform_ratechange(pdata, 4, 0);
phy_data->cur_mode = AXGBE_MODE_KR;
PMD_DRV_LOG(DEBUG, "10GbE KR mode set\n"); @@ -1335,40 +1304,22 @@ static void axgbe_phy_kr_mode(struct axgbe_port *pdata) static void axgbe_phy_kx_2500_mode(struct axgbe_port *pdata) {
struct axgbe_phy_data *phy_data = pdata->phy_data;
- unsigned int s0;
axgbe_phy_set_redrv_mode(pdata);
- /* 2.5G/KX */
- axgbe_phy_start_ratechange(pdata);
- s0 = 0;
- XP_SET_BITS(s0, XP_DRIVER_SCRATCH_0, COMMAND, 2);
- XP_SET_BITS(s0, XP_DRIVER_SCRATCH_0, SUB_COMMAND, 0);
-
- 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);
+ /* 2.5G/KX */
+ axgbe_phy_perform_ratechange(pdata, 2, 0);
phy_data->cur_mode = AXGBE_MODE_KX_2500; }
static void axgbe_phy_sgmii_1000_mode(struct axgbe_port *pdata) {
struct axgbe_phy_data *phy_data = pdata->phy_data;
- unsigned int s0;
axgbe_phy_set_redrv_mode(pdata);
/* 1G/SGMII */
- axgbe_phy_start_ratechange(pdata);
- s0 = 0;
- XP_SET_BITS(s0, XP_DRIVER_SCRATCH_0, COMMAND, 1);
- XP_SET_BITS(s0, XP_DRIVER_SCRATCH_0, SUB_COMMAND, 2);
-
- 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);
+ axgbe_phy_perform_ratechange(pdata, 1, 2);
phy_data->cur_mode = AXGBE_MODE_SGMII_1000; }
--
2.25.1
next prev parent reply other threads:[~2022-01-24 16:40 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-01-10 11:35 axgbe PMD fixes and updates ssebasti
2022-01-10 11:35 ` [PATCH v1 1/6] net/axgbe: always attempt link training in KR mode ssebasti
2022-01-10 11:35 ` [PATCH v1 2/6] net/axgbe: toggle PLL settings during rate change ssebasti
2022-01-19 9:26 ` Namburu, Chandu-babu
2022-01-10 11:35 ` [PATCH v1 3/6] net/axgbe: simplify mailbox interface rate change code ssebasti
2022-01-24 16:39 ` Namburu, Chandu-babu [this message]
2022-01-10 11:35 ` [PATCH v1 4/6] net/axgbe: reset PHY Rx when mailbox command timeout ssebasti
2022-01-24 16:40 ` Namburu, Chandu-babu
2022-01-10 11:35 ` [PATCH v1 5/6] net/axgbe: add support for new port mode ssebasti
2022-01-24 16:40 ` Namburu, Chandu-babu
2022-01-10 11:35 ` [PATCH v1 6/6] net/axgbe: alter the port speed bit range ssebasti
2022-01-24 16:40 ` Namburu, Chandu-babu
2022-01-25 10:23 ` axgbe PMD fixes and updates Ferruh Yigit
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