mirror of
https://github.com/brain-hackers/u-boot-brain
synced 2024-08-27 04:18:51 +09:00
![Wolfgang Denk](/assets/img/avatar_default.png)
Signed-off-by: Wolfgang Denk <wd@denx.de> [trini: Fixup common/cmd_io.c] Signed-off-by: Tom Rini <trini@ti.com>
81 lines
2.0 KiB
C
81 lines
2.0 KiB
C
/*
|
|
* ICPlus PHY drivers
|
|
*
|
|
* SPDX-License-Identifier: GPL-2.0+
|
|
*
|
|
* Copyright (c) 2007 Freescale Semiconductor, Inc.
|
|
*/
|
|
#include <phy.h>
|
|
|
|
/* IP101A/G - IP1001 */
|
|
#define IP10XX_SPEC_CTRL_STATUS 16 /* Spec. Control Register */
|
|
#define IP1001_SPEC_CTRL_STATUS_2 20 /* IP1001 Spec. Control Reg 2 */
|
|
#define IP1001_PHASE_SEL_MASK 3 /* IP1001 RX/TXPHASE_SEL */
|
|
#define IP1001_APS_ON 11 /* IP1001 APS Mode bit */
|
|
#define IP101A_G_APS_ON 2 /* IP101A/G APS Mode bit */
|
|
#define IP101A_G_IRQ_CONF_STATUS 0x11 /* Conf Info IRQ & Status Reg */
|
|
#define IP101A_G_IRQ_PIN_USED (1<<15) /* INTR pin used */
|
|
#define IP101A_G_IRQ_DEFAULT IP101A_G_IRQ_PIN_USED
|
|
|
|
static int ip1001_config(struct phy_device *phydev)
|
|
{
|
|
int c;
|
|
|
|
/* Enable Auto Power Saving mode */
|
|
c = phy_read(phydev, MDIO_DEVAD_NONE, IP1001_SPEC_CTRL_STATUS_2);
|
|
if (c < 0)
|
|
return c;
|
|
c |= IP1001_APS_ON;
|
|
c = phy_write(phydev, MDIO_DEVAD_NONE, IP1001_SPEC_CTRL_STATUS_2, c);
|
|
if (c < 0)
|
|
return c;
|
|
|
|
/* INTR pin used: speed/link/duplex will cause an interrupt */
|
|
c = phy_write(phydev, MDIO_DEVAD_NONE, IP101A_G_IRQ_CONF_STATUS,
|
|
IP101A_G_IRQ_DEFAULT);
|
|
if (c < 0)
|
|
return c;
|
|
|
|
if (phydev->interface == PHY_INTERFACE_MODE_RGMII) {
|
|
/*
|
|
* Additional delay (2ns) used to adjust RX clock phase
|
|
* at RGMII interface
|
|
*/
|
|
c = phy_read(phydev, MDIO_DEVAD_NONE, IP10XX_SPEC_CTRL_STATUS);
|
|
if (c < 0)
|
|
return c;
|
|
|
|
c |= IP1001_PHASE_SEL_MASK;
|
|
c = phy_write(phydev, MDIO_DEVAD_NONE, IP10XX_SPEC_CTRL_STATUS,
|
|
c);
|
|
if (c < 0)
|
|
return c;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int ip1001_startup(struct phy_device *phydev)
|
|
{
|
|
genphy_update_link(phydev);
|
|
genphy_parse_link(phydev);
|
|
|
|
return 0;
|
|
}
|
|
static struct phy_driver IP1001_driver = {
|
|
.name = "ICPlus IP1001",
|
|
.uid = 0x02430d90,
|
|
.mask = 0x0ffffff0,
|
|
.features = PHY_GBIT_FEATURES,
|
|
.config = &ip1001_config,
|
|
.startup = &ip1001_startup,
|
|
.shutdown = &genphy_shutdown,
|
|
};
|
|
|
|
int phy_icplus_init(void)
|
|
{
|
|
phy_register(&IP1001_driver);
|
|
|
|
return 0;
|
|
}
|