mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-11-19 11:18:28 +00:00
d38826a3dc
The @gdsys.cc addresses are supposed to be used for mailing lists. Switch all occurrences of @gdsys.de mail addresses to their @gdsys.cc equivalent. Also, Dirk's address was wrong in one place; fix that as well. Signed-off-by: Mario Six <six@gdsys.cc>
280 lines
6.1 KiB
C
280 lines
6.1 KiB
C
/*
|
|
* (C) Copyright 2014
|
|
* Dirk Eibach, Guntermann & Drunck GmbH, dirk.eibach@gdsys.cc
|
|
*
|
|
* SPDX-License-Identifier: GPL-2.0+
|
|
*/
|
|
|
|
#include <common.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, 0x00fb },
|
|
{ MIICMD_SET, 7, 0xc00d },
|
|
{ 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;
|
|
}
|