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Diffstat (limited to 'qemu/roms/u-boot/drivers/net/phy/broadcom.c')
-rw-r--r--qemu/roms/u-boot/drivers/net/phy/broadcom.c274
1 files changed, 0 insertions, 274 deletions
diff --git a/qemu/roms/u-boot/drivers/net/phy/broadcom.c b/qemu/roms/u-boot/drivers/net/phy/broadcom.c
deleted file mode 100644
index 4512763b5..000000000
--- a/qemu/roms/u-boot/drivers/net/phy/broadcom.c
+++ /dev/null
@@ -1,274 +0,0 @@
-/*
- * Broadcom PHY drivers
- *
- * SPDX-License-Identifier: GPL-2.0+
- *
- * Copyright 2010-2011 Freescale Semiconductor, Inc.
- * author Andy Fleming
- */
-#include <config.h>
-#include <common.h>
-#include <phy.h>
-
-/* Broadcom BCM54xx -- taken from linux sungem_phy */
-#define MIIM_BCM54xx_AUXCNTL 0x18
-#define MIIM_BCM54xx_AUXCNTL_ENCODE(val) (((val & 0x7) << 12)|(val & 0x7))
-#define MIIM_BCM54xx_AUXSTATUS 0x19
-#define MIIM_BCM54xx_AUXSTATUS_LINKMODE_MASK 0x0700
-#define MIIM_BCM54xx_AUXSTATUS_LINKMODE_SHIFT 8
-
-#define MIIM_BCM54XX_SHD 0x1c
-#define MIIM_BCM54XX_SHD_WRITE 0x8000
-#define MIIM_BCM54XX_SHD_VAL(x) ((x & 0x1f) << 10)
-#define MIIM_BCM54XX_SHD_DATA(x) ((x & 0x3ff) << 0)
-#define MIIM_BCM54XX_SHD_WR_ENCODE(val, data) \
- (MIIM_BCM54XX_SHD_WRITE | MIIM_BCM54XX_SHD_VAL(val) | \
- MIIM_BCM54XX_SHD_DATA(data))
-
-#define MIIM_BCM54XX_EXP_DATA 0x15 /* Expansion register data */
-#define MIIM_BCM54XX_EXP_SEL 0x17 /* Expansion register select */
-#define MIIM_BCM54XX_EXP_SEL_SSD 0x0e00 /* Secondary SerDes select */
-#define MIIM_BCM54XX_EXP_SEL_ER 0x0f00 /* Expansion register select */
-
-/* Broadcom BCM5461S */
-static int bcm5461_config(struct phy_device *phydev)
-{
- genphy_config_aneg(phydev);
-
- phy_reset(phydev);
-
- return 0;
-}
-
-static int bcm54xx_parse_status(struct phy_device *phydev)
-{
- unsigned int mii_reg;
-
- mii_reg = phy_read(phydev, MDIO_DEVAD_NONE, MIIM_BCM54xx_AUXSTATUS);
-
- switch ((mii_reg & MIIM_BCM54xx_AUXSTATUS_LINKMODE_MASK) >>
- MIIM_BCM54xx_AUXSTATUS_LINKMODE_SHIFT) {
- case 1:
- phydev->duplex = DUPLEX_HALF;
- phydev->speed = SPEED_10;
- break;
- case 2:
- phydev->duplex = DUPLEX_FULL;
- phydev->speed = SPEED_10;
- break;
- case 3:
- phydev->duplex = DUPLEX_HALF;
- phydev->speed = SPEED_100;
- break;
- case 5:
- phydev->duplex = DUPLEX_FULL;
- phydev->speed = SPEED_100;
- break;
- case 6:
- phydev->duplex = DUPLEX_HALF;
- phydev->speed = SPEED_1000;
- break;
- case 7:
- phydev->duplex = DUPLEX_FULL;
- phydev->speed = SPEED_1000;
- break;
- default:
- printf("Auto-neg error, defaulting to 10BT/HD\n");
- phydev->duplex = DUPLEX_HALF;
- phydev->speed = SPEED_10;
- break;
- }
-
- return 0;
-}
-
-static int bcm54xx_startup(struct phy_device *phydev)
-{
- /* Read the Status (2x to make sure link is right) */
- genphy_update_link(phydev);
- bcm54xx_parse_status(phydev);
-
- return 0;
-}
-
-/* Broadcom BCM5482S */
-/*
- * "Ethernet@Wirespeed" needs to be enabled to achieve link in certain
- * circumstances. eg a gigabit TSEC connected to a gigabit switch with
- * a 4-wire ethernet cable. Both ends advertise gigabit, but can't
- * link. "Ethernet@Wirespeed" reduces advertised speed until link
- * can be achieved.
- */
-static u32 bcm5482_read_wirespeed(struct phy_device *phydev, u32 reg)
-{
- return (phy_read(phydev, MDIO_DEVAD_NONE, reg) & 0x8FFF) | 0x8010;
-}
-
-static int bcm5482_config(struct phy_device *phydev)
-{
- unsigned int reg;
-
- /* reset the PHY */
- reg = phy_read(phydev, MDIO_DEVAD_NONE, MII_BMCR);
- reg |= BMCR_RESET;
- phy_write(phydev, MDIO_DEVAD_NONE, MII_BMCR, reg);
-
- /* Setup read from auxilary control shadow register 7 */
- phy_write(phydev, MDIO_DEVAD_NONE, MIIM_BCM54xx_AUXCNTL,
- MIIM_BCM54xx_AUXCNTL_ENCODE(7));
- /* Read Misc Control register and or in Ethernet@Wirespeed */
- reg = bcm5482_read_wirespeed(phydev, MIIM_BCM54xx_AUXCNTL);
- phy_write(phydev, MDIO_DEVAD_NONE, MIIM_BCM54xx_AUXCNTL, reg);
-
- /* Initial config/enable of secondary SerDes interface */
- phy_write(phydev, MDIO_DEVAD_NONE, MIIM_BCM54XX_SHD,
- MIIM_BCM54XX_SHD_WR_ENCODE(0x14, 0xf));
- /* Write intial value to secondary SerDes Contol */
- phy_write(phydev, MDIO_DEVAD_NONE, MIIM_BCM54XX_EXP_SEL,
- MIIM_BCM54XX_EXP_SEL_SSD | 0);
- phy_write(phydev, MDIO_DEVAD_NONE, MIIM_BCM54XX_EXP_DATA,
- BMCR_ANRESTART);
- /* Enable copper/fiber auto-detect */
- phy_write(phydev, MDIO_DEVAD_NONE, MIIM_BCM54XX_SHD,
- MIIM_BCM54XX_SHD_WR_ENCODE(0x1e, 0x201));
-
- genphy_config_aneg(phydev);
-
- return 0;
-}
-
-/*
- * Find out if PHY is in copper or serdes mode by looking at Expansion Reg
- * 0x42 - "Operating Mode Status Register"
- */
-static int bcm5482_is_serdes(struct phy_device *phydev)
-{
- u16 val;
- int serdes = 0;
-
- phy_write(phydev, MDIO_DEVAD_NONE, MIIM_BCM54XX_EXP_SEL,
- MIIM_BCM54XX_EXP_SEL_ER | 0x42);
- val = phy_read(phydev, MDIO_DEVAD_NONE, MIIM_BCM54XX_EXP_DATA);
-
- switch (val & 0x1f) {
- case 0x0d: /* RGMII-to-100Base-FX */
- case 0x0e: /* RGMII-to-SGMII */
- case 0x0f: /* RGMII-to-SerDes */
- case 0x12: /* SGMII-to-SerDes */
- case 0x13: /* SGMII-to-100Base-FX */
- case 0x16: /* SerDes-to-Serdes */
- serdes = 1;
- break;
- case 0x6: /* RGMII-to-Copper */
- case 0x14: /* SGMII-to-Copper */
- case 0x17: /* SerDes-to-Copper */
- break;
- default:
- printf("ERROR, invalid PHY mode (0x%x\n)", val);
- break;
- }
-
- return serdes;
-}
-
-/*
- * Determine SerDes link speed and duplex from Expansion reg 0x42 "Operating
- * Mode Status Register"
- */
-static u32 bcm5482_parse_serdes_sr(struct phy_device *phydev)
-{
- u16 val;
- int i = 0;
-
- /* Wait 1s for link - Clause 37 autonegotiation happens very fast */
- while (1) {
- phy_write(phydev, MDIO_DEVAD_NONE, MIIM_BCM54XX_EXP_SEL,
- MIIM_BCM54XX_EXP_SEL_ER | 0x42);
- val = phy_read(phydev, MDIO_DEVAD_NONE, MIIM_BCM54XX_EXP_DATA);
-
- if (val & 0x8000)
- break;
-
- if (i++ > 1000) {
- phydev->link = 0;
- return 1;
- }
-
- udelay(1000); /* 1 ms */
- }
-
- phydev->link = 1;
- switch ((val >> 13) & 0x3) {
- case (0x00):
- phydev->speed = 10;
- break;
- case (0x01):
- phydev->speed = 100;
- break;
- case (0x02):
- phydev->speed = 1000;
- break;
- }
-
- phydev->duplex = (val & 0x1000) == 0x1000;
-
- return 0;
-}
-
-/*
- * Figure out if BCM5482 is in serdes or copper mode and determine link
- * configuration accordingly
- */
-static int bcm5482_startup(struct phy_device *phydev)
-{
- if (bcm5482_is_serdes(phydev)) {
- bcm5482_parse_serdes_sr(phydev);
- phydev->port = PORT_FIBRE;
- } else {
- /* Wait for auto-negotiation to complete or fail */
- genphy_update_link(phydev);
- /* Parse BCM54xx copper aux status register */
- bcm54xx_parse_status(phydev);
- }
-
- return 0;
-}
-
-static struct phy_driver BCM5461S_driver = {
- .name = "Broadcom BCM5461S",
- .uid = 0x2060c0,
- .mask = 0xfffff0,
- .features = PHY_GBIT_FEATURES,
- .config = &bcm5461_config,
- .startup = &bcm54xx_startup,
- .shutdown = &genphy_shutdown,
-};
-
-static struct phy_driver BCM5464S_driver = {
- .name = "Broadcom BCM5464S",
- .uid = 0x2060b0,
- .mask = 0xfffff0,
- .features = PHY_GBIT_FEATURES,
- .config = &bcm5461_config,
- .startup = &bcm54xx_startup,
- .shutdown = &genphy_shutdown,
-};
-
-static struct phy_driver BCM5482S_driver = {
- .name = "Broadcom BCM5482S",
- .uid = 0x143bcb0,
- .mask = 0xffffff0,
- .features = PHY_GBIT_FEATURES,
- .config = &bcm5482_config,
- .startup = &bcm5482_startup,
- .shutdown = &genphy_shutdown,
-};
-
-int phy_broadcom_init(void)
-{
- phy_register(&BCM5482S_driver);
- phy_register(&BCM5464S_driver);
- phy_register(&BCM5461S_driver);
-
- return 0;
-}