openwrt/target/linux/ipq806x/patches-5.10/101-dwmac-ipq806x-qsgmii-pcs-all-ch-ctl.patch
Rui Salvaterra 6a57e1fbfc kernel: bump 5.10 to 5.10.36
Automatically refreshed:
apm821xx/patches-5.10/802-usb-xhci-force-msi-renesas-xhci.patch
ath79/patches-5.10/410-spi-ath79-Implement-the-spi_mem-interface.patch
bcm63xx/patches-5.10/143-gpio-fix-device-tree-gpio-hogs-on-dual-role-gpio-pin.patch
generic/pending-5.10/465-m25p80-mx-disable-software-protection.patch
ipq806x/patches-5.10/0069-arm-boot-add-dts-files.patch
ipq806x/patches-5.10/101-dwmac-ipq806x-qsgmii-pcs-all-ch-ctl.patch
ipq806x/patches-5.10/106-5.13-net-stmmac-Set-FIFO-sizes-for-ipq806x.patch

Deleted (empty or reverse-appliable):
ath79/patches-5.10/411-spi-ath79-add-SPI_MASTER_GPIO_SS-flag.patch
ath79/patches-5.10/0050-spi-ath79-remove-spi-master-setup-and-cleanup-assign.patch
ath79/patches-5.10/0054-spi-sync-up-initial-chipselect-state.patch

Manually refreshed:
ath79/patches-5.10/0033-spi-ath79-drop-pdata-support.patch

Signed-off-by: Rui Salvaterra <rsalvaterra@gmail.com>
2021-05-14 08:46:45 +01:00

84 lines
2.4 KiB
Diff

--- a/drivers/net/ethernet/stmicro/stmmac/dwmac-ipq806x.c
+++ b/drivers/net/ethernet/stmicro/stmmac/dwmac-ipq806x.c
@@ -64,6 +64,17 @@
#define NSS_COMMON_CLK_DIV_SGMII_100 4
#define NSS_COMMON_CLK_DIV_SGMII_10 49
+#define QSGMII_PCS_ALL_CH_CTL 0x80
+#define QSGMII_PCS_CH_SPEED_FORCE 0x2
+#define QSGMII_PCS_CH_SPEED_10 0x0
+#define QSGMII_PCS_CH_SPEED_100 0x4
+#define QSGMII_PCS_CH_SPEED_1000 0x8
+#define QSGMII_PCS_CH_SPEED_MASK (QSGMII_PCS_CH_SPEED_FORCE | \
+ QSGMII_PCS_CH_SPEED_10 | \
+ QSGMII_PCS_CH_SPEED_100 | \
+ QSGMII_PCS_CH_SPEED_1000)
+#define QSGMII_PCS_CH_SPEED_SHIFT(x) (x * 4)
+
#define QSGMII_PCS_CAL_LCKDT_CTL 0x120
#define QSGMII_PCS_CAL_LCKDT_CTL_RST BIT(19)
@@ -242,6 +253,36 @@ static void ipq806x_gmac_fix_mac_speed(v
ipq806x_gmac_set_speed(gmac, speed);
}
+static int
+ipq806x_gmac_get_qsgmii_pcs_speed_val(struct platform_device *pdev) {
+ struct device_node *fixed_link_node;
+ int rv;
+ int fixed_link_speed;
+
+ if (!of_phy_is_fixed_link(pdev->dev.of_node))
+ return 0;
+
+ fixed_link_node = of_get_child_by_name(pdev->dev.of_node, "fixed-link");
+ if (!fixed_link_node)
+ return -1;
+
+ rv = of_property_read_u32(fixed_link_node, "speed", &fixed_link_speed);
+ of_node_put(fixed_link_node);
+ if (rv)
+ return -1;
+
+ switch (fixed_link_speed) {
+ case SPEED_1000:
+ return QSGMII_PCS_CH_SPEED_FORCE | QSGMII_PCS_CH_SPEED_1000;
+ case SPEED_100:
+ return QSGMII_PCS_CH_SPEED_FORCE | QSGMII_PCS_CH_SPEED_100;
+ case SPEED_10:
+ return QSGMII_PCS_CH_SPEED_FORCE | QSGMII_PCS_CH_SPEED_10;
+ }
+
+ return -1;
+}
+
static int ipq806x_gmac_probe(struct platform_device *pdev)
{
struct plat_stmmacenet_data *plat_dat;
@@ -250,6 +291,7 @@ static int ipq806x_gmac_probe(struct pla
struct ipq806x_gmac *gmac;
int val;
int err;
+ int qsgmii_pcs_speed;
val = stmmac_get_platform_resources(pdev, &stmmac_res);
if (val)
@@ -346,6 +388,17 @@ static int ipq806x_gmac_probe(struct pla
0x1ul << QSGMII_PHY_RX_INPUT_EQU_OFFSET |
0x2ul << QSGMII_PHY_CDR_PI_SLEW_OFFSET |
0xCul << QSGMII_PHY_TX_DRV_AMP_OFFSET);
+
+ qsgmii_pcs_speed = ipq806x_gmac_get_qsgmii_pcs_speed_val(pdev);
+ if (qsgmii_pcs_speed != -1) {
+ regmap_update_bits(
+ gmac->qsgmii_csr,
+ QSGMII_PCS_ALL_CH_CTL,
+ QSGMII_PCS_CH_SPEED_MASK <<
+ QSGMII_PCS_CH_SPEED_SHIFT(gmac->id),
+ qsgmii_pcs_speed <<
+ QSGMII_PCS_CH_SPEED_SHIFT(gmac->id));
+ }
}
plat_dat->has_gmac = true;