diff options
Diffstat (limited to 'board/gdsys/common/phy.c')
| -rw-r--r-- | board/gdsys/common/phy.c | 278 |
1 files changed, 0 insertions, 278 deletions
diff --git a/board/gdsys/common/phy.c b/board/gdsys/common/phy.c deleted file mode 100644 index 516f4e8edc..0000000000 --- a/board/gdsys/common/phy.c +++ /dev/null @@ -1,278 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0+ -/* - * (C) Copyright 2014 - * Dirk Eibach, Guntermann & Drunck GmbH, dirk.eibach@gdsys.cc - */ - -#include <common.h> -#include <log.h> - -#include <miiphy.h> - -enum { - MIICMD_SET, - MIICMD_MODIFY, - MIICMD_VERIFY_VALUE, - MIICMD_WAIT_FOR_VALUE, -}; - -struct mii_setupcmd { - u8 token; - u8 reg; - u16 data; - u16 mask; - u32 timeout; -}; - -/* - * verify we are talking to a 88e1518 - */ -struct mii_setupcmd verify_88e1518[] = { - { MIICMD_SET, 22, 0x0000 }, - { MIICMD_VERIFY_VALUE, 2, 0x0141, 0xffff }, - { MIICMD_VERIFY_VALUE, 3, 0x0dd0, 0xfff0 }, -}; - -/* - * workaround for erratum mentioned in 88E1518 release notes - */ -struct mii_setupcmd fixup_88e1518[] = { - { MIICMD_SET, 22, 0x00ff }, - { MIICMD_SET, 17, 0x214b }, - { MIICMD_SET, 16, 0x2144 }, - { MIICMD_SET, 17, 0x0c28 }, - { MIICMD_SET, 16, 0x2146 }, - { MIICMD_SET, 17, 0xb233 }, - { MIICMD_SET, 16, 0x214d }, - { MIICMD_SET, 17, 0xcc0c }, - { MIICMD_SET, 16, 0x2159 }, - { MIICMD_SET, 22, 0x0000 }, -}; - -/* - * default initialization: - * - set RGMII receive timing to "receive clock transition when data stable" - * - set RGMII transmit timing to "transmit clock internally delayed" - * - set RGMII output impedance target to 78,8 Ohm - * - run output impedance calibration - * - set autonegotiation advertise to 1000FD only - */ -struct mii_setupcmd default_88e1518[] = { - { MIICMD_SET, 22, 0x0002 }, - { MIICMD_MODIFY, 21, 0x0030, 0x0030 }, - { MIICMD_MODIFY, 25, 0x0000, 0x0003 }, - { MIICMD_MODIFY, 24, 0x8000, 0x8000 }, - { MIICMD_WAIT_FOR_VALUE, 24, 0x4000, 0x4000, 2000 }, - { MIICMD_SET, 22, 0x0000 }, - { MIICMD_MODIFY, 4, 0x0000, 0x01e0 }, - { MIICMD_MODIFY, 9, 0x0200, 0x0300 }, -}; - -/* - * turn off CLK125 for PHY daughterboard - */ -struct mii_setupcmd ch1fix_88e1518[] = { - { MIICMD_SET, 22, 0x0002 }, - { MIICMD_MODIFY, 16, 0x0006, 0x0006 }, - { MIICMD_SET, 22, 0x0000 }, -}; - -/* - * perform copper software reset - */ -struct mii_setupcmd swreset_88e1518[] = { - { MIICMD_SET, 22, 0x0000 }, - { MIICMD_MODIFY, 0, 0x8000, 0x8000 }, - { MIICMD_WAIT_FOR_VALUE, 0, 0x0000, 0x8000, 2000 }, -}; - -/* - * special one for 88E1514: - * Force SGMII to Copper mode - */ -struct mii_setupcmd mii_to_copper_88e1514[] = { - { MIICMD_SET, 22, 0x0012 }, - { MIICMD_MODIFY, 20, 0x0001, 0x0007 }, - { MIICMD_MODIFY, 20, 0x8000, 0x8000 }, - { MIICMD_SET, 22, 0x0000 }, -}; - -/* - * turn off SGMII auto-negotiation - */ -struct mii_setupcmd sgmii_autoneg_off_88e1518[] = { - { MIICMD_SET, 22, 0x0001 }, - { MIICMD_MODIFY, 0, 0x0000, 0x1000 }, - { MIICMD_MODIFY, 0, 0x8000, 0x8000 }, - { MIICMD_SET, 22, 0x0000 }, -}; - -/* - * invert LED2 polarity - */ -struct mii_setupcmd invert_led2_88e1514[] = { - { MIICMD_SET, 22, 0x0003 }, - { MIICMD_MODIFY, 17, 0x0030, 0x0010 }, - { MIICMD_SET, 22, 0x0000 }, -}; - -static int process_setupcmd(const char *bus, unsigned char addr, - struct mii_setupcmd *setupcmd) -{ - int res; - u8 reg = setupcmd->reg; - u16 data = setupcmd->data; - u16 mask = setupcmd->mask; - u32 timeout = setupcmd->timeout; - u16 orig_data; - unsigned long start; - - debug("mii %s:%u reg %2u ", bus, addr, reg); - - switch (setupcmd->token) { - case MIICMD_MODIFY: - res = miiphy_read(bus, addr, reg, &orig_data); - if (res) - break; - debug("is %04x. (value %04x mask %04x) ", orig_data, data, - mask); - data = (orig_data & ~mask) | (data & mask); - /* fallthrough */ - case MIICMD_SET: - debug("=> %04x\n", data); - res = miiphy_write(bus, addr, reg, data); - break; - case MIICMD_VERIFY_VALUE: - res = miiphy_read(bus, addr, reg, &orig_data); - if (res) - break; - if ((orig_data & mask) != (data & mask)) - res = -1; - debug("(value %04x mask %04x) == %04x? %s\n", data, mask, - orig_data, res ? "FAIL" : "PASS"); - break; - case MIICMD_WAIT_FOR_VALUE: - res = -1; - start = get_timer(0); - while ((res != 0) && (get_timer(start) < timeout)) { - res = miiphy_read(bus, addr, reg, &orig_data); - if (res) - continue; - if ((orig_data & mask) != (data & mask)) - res = -1; - } - debug("(value %04x mask %04x) == %04x? %s after %lu ms\n", data, - mask, orig_data, res ? "FAIL" : "PASS", - get_timer(start)); - break; - default: - res = -1; - break; - } - - return res; -} - -static int process_setup(const char *bus, unsigned char addr, - struct mii_setupcmd *setupcmd, unsigned int count) -{ - int res = 0; - unsigned int k; - - for (k = 0; k < count; ++k) { - res = process_setupcmd(bus, addr, &setupcmd[k]); - if (res) { - printf("mii cmd %u on bus %s addr %u failed, aborting setup\n", - setupcmd[k].token, bus, addr); - break; - } - } - - return res; -} - -int setup_88e1518(const char *bus, unsigned char addr) -{ - int res; - - res = process_setup(bus, addr, - verify_88e1518, ARRAY_SIZE(verify_88e1518)); - if (res) - return res; - - res = process_setup(bus, addr, - fixup_88e1518, ARRAY_SIZE(fixup_88e1518)); - if (res) - return res; - - res = process_setup(bus, addr, - default_88e1518, ARRAY_SIZE(default_88e1518)); - if (res) - return res; - - if (addr) { - res = process_setup(bus, addr, - ch1fix_88e1518, ARRAY_SIZE(ch1fix_88e1518)); - if (res) - return res; - } - - res = process_setup(bus, addr, - swreset_88e1518, ARRAY_SIZE(swreset_88e1518)); - if (res) - return res; - - return 0; -} - -int setup_88e1514(const char *bus, unsigned char addr) -{ - int res; - - res = process_setup(bus, addr, - verify_88e1518, ARRAY_SIZE(verify_88e1518)); - if (res) - return res; - - res = process_setup(bus, addr, - fixup_88e1518, ARRAY_SIZE(fixup_88e1518)); - if (res) - return res; - - res = process_setup(bus, addr, - mii_to_copper_88e1514, - ARRAY_SIZE(mii_to_copper_88e1514)); - if (res) - return res; - - res = process_setup(bus, addr, - sgmii_autoneg_off_88e1518, - ARRAY_SIZE(sgmii_autoneg_off_88e1518)); - if (res) - return res; - - res = process_setup(bus, addr, - invert_led2_88e1514, - ARRAY_SIZE(invert_led2_88e1514)); - if (res) - return res; - - res = process_setup(bus, addr, - default_88e1518, ARRAY_SIZE(default_88e1518)); - if (res) - return res; - - if (addr) { - res = process_setup(bus, addr, - ch1fix_88e1518, ARRAY_SIZE(ch1fix_88e1518)); - if (res) - return res; - } - - res = process_setup(bus, addr, - swreset_88e1518, ARRAY_SIZE(swreset_88e1518)); - if (res) - return res; - - return 0; -} |