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net: dsa: microchip: remove KSZ9477 PHY errata handling

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The KSZ9477 PHY errata handling code has now been moved into the Micrel
PHY driver, so it is no longer needed inside the DSA switch driver.
Remove it.

Signed-off-by: Robert Hancock <robert.hancock@calian.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Reviewed-by: Florian Fainelli <florian.fainelli@broadcom.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Robert Hancock 2023-06-05 09:39:43 -06:00 committed by Jakub Kicinski
parent 26dd2974c5
commit 6068e6d7ba
3 changed files with 4 additions and 75 deletions
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74
drivers/net/dsa/microchip/ksz9477.c
View File

@ -889,62 +889,6 @@ static phy_interface_t ksz9477_get_interface(struct ksz_device *dev, int port)
return interface;
}
static void ksz9477_port_mmd_write(struct ksz_device *dev, int port,
u8 dev_addr, u16 reg_addr, u16 val)
{
ksz_pwrite16(dev, port, REG_PORT_PHY_MMD_SETUP,
MMD_SETUP(PORT_MMD_OP_INDEX, dev_addr));
ksz_pwrite16(dev, port, REG_PORT_PHY_MMD_INDEX_DATA, reg_addr);
ksz_pwrite16(dev, port, REG_PORT_PHY_MMD_SETUP,
MMD_SETUP(PORT_MMD_OP_DATA_NO_INCR, dev_addr));
ksz_pwrite16(dev, port, REG_PORT_PHY_MMD_INDEX_DATA, val);
}
static void ksz9477_phy_errata_setup(struct ksz_device *dev, int port)
{
/* Apply PHY settings to address errata listed in
* KSZ9477, KSZ9897, KSZ9896, KSZ9567, KSZ8565
* Silicon Errata and Data Sheet Clarification documents:
*
* Register settings are needed to improve PHY receive performance
*/
ksz9477_port_mmd_write(dev, port, 0x01, 0x6f, 0xdd0b);
ksz9477_port_mmd_write(dev, port, 0x01, 0x8f, 0x6032);
ksz9477_port_mmd_write(dev, port, 0x01, 0x9d, 0x248c);
ksz9477_port_mmd_write(dev, port, 0x01, 0x75, 0x0060);
ksz9477_port_mmd_write(dev, port, 0x01, 0xd3, 0x7777);
ksz9477_port_mmd_write(dev, port, 0x1c, 0x06, 0x3008);
ksz9477_port_mmd_write(dev, port, 0x1c, 0x08, 0x2001);
/* Transmit waveform amplitude can be improved
* (1000BASE-T, 100BASE-TX, 10BASE-Te)
*/
ksz9477_port_mmd_write(dev, port, 0x1c, 0x04, 0x00d0);
/* Energy Efficient Ethernet (EEE) feature select must
* be manually disabled (except on KSZ8565 which is 100Mbit)
*/
if (dev->info->gbit_capable[port])
ksz9477_port_mmd_write(dev, port, 0x07, 0x3c, 0x0000);
/* Register settings are required to meet data sheet
* supply current specifications
*/
ksz9477_port_mmd_write(dev, port, 0x1c, 0x13, 0x6eff);
ksz9477_port_mmd_write(dev, port, 0x1c, 0x14, 0xe6ff);
ksz9477_port_mmd_write(dev, port, 0x1c, 0x15, 0x6eff);
ksz9477_port_mmd_write(dev, port, 0x1c, 0x16, 0xe6ff);
ksz9477_port_mmd_write(dev, port, 0x1c, 0x17, 0x00ff);
ksz9477_port_mmd_write(dev, port, 0x1c, 0x18, 0x43ff);
ksz9477_port_mmd_write(dev, port, 0x1c, 0x19, 0xc3ff);
ksz9477_port_mmd_write(dev, port, 0x1c, 0x1a, 0x6fff);
ksz9477_port_mmd_write(dev, port, 0x1c, 0x1b, 0x07ff);
ksz9477_port_mmd_write(dev, port, 0x1c, 0x1c, 0x0fff);
ksz9477_port_mmd_write(dev, port, 0x1c, 0x1d, 0xe7ff);
ksz9477_port_mmd_write(dev, port, 0x1c, 0x1e, 0xefff);
ksz9477_port_mmd_write(dev, port, 0x1c, 0x20, 0xeeee);
}
void ksz9477_get_caps(struct ksz_device *dev, int port,
struct phylink_config *config)
{
@ -1029,20 +973,10 @@ void ksz9477_port_setup(struct ksz_device *dev, int port, bool cpu_port)
/* enable 802.1p priority */
ksz_port_cfg(dev, port, P_PRIO_CTRL, PORT_802_1P_PRIO_ENABLE, true);
if (dev->info->internal_phy[port]) {
/* do not force flow control */
ksz_port_cfg(dev, port, REG_PORT_CTRL_0,
PORT_FORCE_TX_FLOW_CTRL | PORT_FORCE_RX_FLOW_CTRL,
false);
if (dev->info->phy_errata_9477)
ksz9477_phy_errata_setup(dev, port);
} else {
/* force flow control */
ksz_port_cfg(dev, port, REG_PORT_CTRL_0,
PORT_FORCE_TX_FLOW_CTRL | PORT_FORCE_RX_FLOW_CTRL,
true);
}
/* force flow control for non-PHY ports only */
ksz_port_cfg(dev, port, REG_PORT_CTRL_0,
PORT_FORCE_TX_FLOW_CTRL | PORT_FORCE_RX_FLOW_CTRL,
!dev->info->internal_phy[port]);
if (cpu_port)
member = dsa_user_ports(ds);

4
drivers/net/dsa/microchip/ksz_common.c
View File

@ -1270,7 +1270,6 @@ const struct ksz_chip_data ksz_switch_chips[] = {
.tc_cbs_supported = true,
.tc_ets_supported = true,
.ops = &ksz9477_dev_ops,
.phy_errata_9477 = true,
.mib_names = ksz9477_mib_names,
.mib_cnt = ARRAY_SIZE(ksz9477_mib_names),
.reg_mib_cnt = MIB_COUNTER_NUM,
@ -1303,7 +1302,6 @@ const struct ksz_chip_data ksz_switch_chips[] = {
.port_nirqs = 2,
.num_tx_queues = 4,
.ops = &ksz9477_dev_ops,
.phy_errata_9477 = true,
.mib_names = ksz9477_mib_names,
.mib_cnt = ARRAY_SIZE(ksz9477_mib_names),
.reg_mib_cnt = MIB_COUNTER_NUM,
@ -1336,7 +1334,6 @@ const struct ksz_chip_data ksz_switch_chips[] = {
.port_nirqs = 2,
.num_tx_queues = 4,
.ops = &ksz9477_dev_ops,
.phy_errata_9477 = true,
.mib_names = ksz9477_mib_names,
.mib_cnt = ARRAY_SIZE(ksz9477_mib_names),
.reg_mib_cnt = MIB_COUNTER_NUM,
@ -1423,7 +1420,6 @@ const struct ksz_chip_data ksz_switch_chips[] = {
.tc_cbs_supported = true,
.tc_ets_supported = true,
.ops = &ksz9477_dev_ops,
.phy_errata_9477 = true,
.mib_names = ksz9477_mib_names,
.mib_cnt = ARRAY_SIZE(ksz9477_mib_names),
.reg_mib_cnt = MIB_COUNTER_NUM,

1
drivers/net/dsa/microchip/ksz_common.h
View File

@ -60,7 +60,6 @@ struct ksz_chip_data {
bool tc_cbs_supported;
bool tc_ets_supported;
const struct ksz_dev_ops *ops;
bool phy_errata_9477;
bool ksz87xx_eee_link_erratum;
const struct ksz_mib_names *mib_names;
int mib_cnt;