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arm/km: Fix LED configuration for 88E1118R PHY (PIGGY3) 

Configure PHY LED register for Marvell 88E1118R PHY used on PIGGY3 to
match with printed descriptions on PCB

Signed-off-by: Tobias Müller <Tobias.Mueller@keymile.com>
Signed-off-by: Valentin Longchamp <valentin.longchamp@keymile.com>
[trini: Fix typo, CRTL_PAGE -> CTRL_PAGE]
Signed-off-by: Tom Rini <trini@konsulko.com>
This commit is contained in:
Tobias Müller 2015-11-13 15:01:15 +01:00 committed by Tom Rini
parent 716e4ffe99
commit 9ff739e422
1 changed files with 55 additions and 0 deletions
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55
board/keymile/km_arm/km_arm.c
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@ -37,6 +37,24 @@ DECLARE_GLOBAL_DATA_PTR;
#define REG_IRQ_CIRQ2 0x2d
#define MASK_RBI_DEFECT_16 0x01
/*
* PHY registers definitions
*/
#define PHY_MARVELL_OUI 0x5043
#define PHY_MARVELL_88E1118_MODEL 0x0022
#define PHY_MARVELL_88E1118R_MODEL 0x0024
#define PHY_MARVELL_PAGE_REG 0x0016
#define PHY_MARVELL_DEFAULT_PAGE 0x0000
#define PHY_MARVELL_88E1118R_LED_CTRL_PAGE 0x0003
#define PHY_MARVELL_88E1118R_LED_CTRL_REG 0x0010
#define PHY_MARVELL_88E1118R_LED_CTRL_RESERVED 0x1000
#define PHY_MARVELL_88E1118R_LED_CTRL_LED0_1000MB (0x7<<0)
#define PHY_MARVELL_88E1118R_LED_CTRL_LED1_ACT (0x3<<4)
#define PHY_MARVELL_88E1118R_LED_CTRL_LED2_LINK (0x0<<8)
/* Multi-Purpose Pins Functionality configuration */
static const u32 kwmpp_config[] = {
MPP0_NF_IO2,
@ -409,6 +427,9 @@ void reset_phy(void)
/* Configure and enable MV88E1118 PHY on the piggy*/
void reset_phy(void)
{
unsigned int oui;
unsigned char model, rev;
char *name = "egiga0";
if (miiphy_set_current_dev(name))
@ -416,6 +437,40 @@ void reset_phy(void)
/* reset the phy */
miiphy_reset(name, CONFIG_PHY_BASE_ADR);
/* get PHY model */
if (miiphy_info(name, CONFIG_PHY_BASE_ADR, &oui, &model, &rev))
return;
/* check for Marvell 88E1118R Gigabit PHY (PIGGY3) */
if ((oui == PHY_MARVELL_OUI) &&
(model == PHY_MARVELL_88E1118R_MODEL)) {
/* set page register to 3 */
if (miiphy_write(name, CONFIG_PHY_BASE_ADR,
PHY_MARVELL_PAGE_REG,
PHY_MARVELL_88E1118R_LED_CTRL_PAGE))
printf("Error writing PHY page reg\n");
/*
* leds setup as printed on PCB:
* LED2 (Link): 0x0 (On Link, Off No Link)
* LED1 (Activity): 0x3 (On Activity, Off No Activity)
* LED0 (Speed): 0x7 (On 1000 MBits, Off Else)
*/
if (miiphy_write(name, CONFIG_PHY_BASE_ADR,
PHY_MARVELL_88E1118R_LED_CTRL_REG,
PHY_MARVELL_88E1118R_LED_CTRL_RESERVED |
PHY_MARVELL_88E1118R_LED_CTRL_LED0_1000MB |
PHY_MARVELL_88E1118R_LED_CTRL_LED1_ACT |
PHY_MARVELL_88E1118R_LED_CTRL_LED2_LINK))
printf("Error writing PHY LED reg\n");
/* set page register back to 0 */
if (miiphy_write(name, CONFIG_PHY_BASE_ADR,
PHY_MARVELL_PAGE_REG,
PHY_MARVELL_DEFAULT_PAGE))
printf("Error writing PHY page reg\n");
}
}
#endif