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authorAngelos Mouzakitis <a.mouzakitis@virtualopensystems.com>2023-10-10 14:33:42 +0000
committerAngelos Mouzakitis <a.mouzakitis@virtualopensystems.com>2023-10-10 14:33:42 +0000
commitaf1a266670d040d2f4083ff309d732d648afba2a (patch)
tree2fc46203448ddcc6f81546d379abfaeb323575e9 /roms/u-boot/drivers/net/phy/natsemi.c
parente02cda008591317b1625707ff8e115a4841aa889 (diff)
Add submodule dependency filesHEADmaster
Change-Id: Iaf8d18082d3991dec7c0ebbea540f092188eb4ec
Diffstat (limited to 'roms/u-boot/drivers/net/phy/natsemi.c')
-rw-r--r--roms/u-boot/drivers/net/phy/natsemi.c166
1 files changed, 166 insertions, 0 deletions
diff --git a/roms/u-boot/drivers/net/phy/natsemi.c b/roms/u-boot/drivers/net/phy/natsemi.c
new file mode 100644
index 000000000..efde4574d
--- /dev/null
+++ b/roms/u-boot/drivers/net/phy/natsemi.c
@@ -0,0 +1,166 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * National Semiconductor PHY drivers
+ *
+ * Copyright 2010-2011 Freescale Semiconductor, Inc.
+ * author Andy Fleming
+ */
+#include <common.h>
+#include <phy.h>
+
+/* NatSemi DP83630 */
+
+#define DP83630_PHY_PAGESEL_REG 0x13
+#define DP83630_PHY_PTP_COC_REG 0x14
+#define DP83630_PHY_PTP_CLKOUT_EN (1<<15)
+#define DP83630_PHY_RBR_REG 0x17
+
+static int dp83630_config(struct phy_device *phydev)
+{
+ int ptp_coc_reg;
+
+ phy_write(phydev, MDIO_DEVAD_NONE, MII_BMCR, BMCR_RESET);
+ phy_write(phydev, MDIO_DEVAD_NONE, DP83630_PHY_PAGESEL_REG, 0x6);
+ ptp_coc_reg = phy_read(phydev, MDIO_DEVAD_NONE,
+ DP83630_PHY_PTP_COC_REG);
+ ptp_coc_reg &= ~DP83630_PHY_PTP_CLKOUT_EN;
+ phy_write(phydev, MDIO_DEVAD_NONE, DP83630_PHY_PTP_COC_REG,
+ ptp_coc_reg);
+ phy_write(phydev, MDIO_DEVAD_NONE, DP83630_PHY_PAGESEL_REG, 0);
+
+ genphy_config_aneg(phydev);
+
+ return 0;
+}
+
+static struct phy_driver DP83630_driver = {
+ .name = "NatSemi DP83630",
+ .uid = 0x20005ce1,
+ .mask = 0xfffffff0,
+ .features = PHY_BASIC_FEATURES,
+ .config = &dp83630_config,
+ .startup = &genphy_startup,
+ .shutdown = &genphy_shutdown,
+};
+
+
+/* DP83865 Link and Auto-Neg Status Register */
+#define MIIM_DP83865_LANR 0x11
+#define MIIM_DP83865_SPD_MASK 0x0018
+#define MIIM_DP83865_SPD_1000 0x0010
+#define MIIM_DP83865_SPD_100 0x0008
+#define MIIM_DP83865_DPX_FULL 0x0002
+
+
+/* NatSemi DP83865 */
+static int dp838xx_config(struct phy_device *phydev)
+{
+ phy_write(phydev, MDIO_DEVAD_NONE, MII_BMCR, BMCR_RESET);
+ genphy_config_aneg(phydev);
+
+ return 0;
+}
+
+static int dp83865_parse_status(struct phy_device *phydev)
+{
+ int mii_reg;
+
+ mii_reg = phy_read(phydev, MDIO_DEVAD_NONE, MIIM_DP83865_LANR);
+
+ switch (mii_reg & MIIM_DP83865_SPD_MASK) {
+
+ case MIIM_DP83865_SPD_1000:
+ phydev->speed = SPEED_1000;
+ break;
+
+ case MIIM_DP83865_SPD_100:
+ phydev->speed = SPEED_100;
+ break;
+
+ default:
+ phydev->speed = SPEED_10;
+ break;
+
+ }
+
+ if (mii_reg & MIIM_DP83865_DPX_FULL)
+ phydev->duplex = DUPLEX_FULL;
+ else
+ phydev->duplex = DUPLEX_HALF;
+
+ return 0;
+}
+
+static int dp83865_startup(struct phy_device *phydev)
+{
+ int ret;
+
+ ret = genphy_update_link(phydev);
+ if (ret)
+ return ret;
+
+ return dp83865_parse_status(phydev);
+}
+
+
+static struct phy_driver DP83865_driver = {
+ .name = "NatSemi DP83865",
+ .uid = 0x20005c70,
+ .mask = 0xfffffff0,
+ .features = PHY_GBIT_FEATURES,
+ .config = &dp838xx_config,
+ .startup = &dp83865_startup,
+ .shutdown = &genphy_shutdown,
+};
+
+/* NatSemi DP83848 */
+static int dp83848_parse_status(struct phy_device *phydev)
+{
+ int mii_reg;
+
+ mii_reg = phy_read(phydev, MDIO_DEVAD_NONE, MII_BMSR);
+
+ if(mii_reg & (BMSR_100FULL | BMSR_100HALF)) {
+ phydev->speed = SPEED_100;
+ } else {
+ phydev->speed = SPEED_10;
+ }
+
+ if (mii_reg & (BMSR_10FULL | BMSR_100FULL)) {
+ phydev->duplex = DUPLEX_FULL;
+ } else {
+ phydev->duplex = DUPLEX_HALF;
+ }
+
+ return 0;
+}
+
+static int dp83848_startup(struct phy_device *phydev)
+{
+ int ret;
+
+ ret = genphy_update_link(phydev);
+ if (ret)
+ return ret;
+
+ return dp83848_parse_status(phydev);
+}
+
+static struct phy_driver DP83848_driver = {
+ .name = "NatSemi DP83848",
+ .uid = 0x20005c90,
+ .mask = 0x2000ff90,
+ .features = PHY_BASIC_FEATURES,
+ .config = &dp838xx_config,
+ .startup = &dp83848_startup,
+ .shutdown = &genphy_shutdown,
+};
+
+int phy_natsemi_init(void)
+{
+ phy_register(&DP83630_driver);
+ phy_register(&DP83865_driver);
+ phy_register(&DP83848_driver);
+
+ return 0;
+}