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drivers/net/phy/m88e1512: Add interrupt enable 

INTn on Marvell PHY can be routed to LED[2] pin. This setting must be
made via LED Timer Control Register on page 3.

Change-Id: Ida1efbb604c382676b9d13ac8bf14de768f93637
Signed-off-by: Mario Scheithauer <mario.scheithauer@siemens.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/69433
Reviewed-by: Arthur Heymans <arthur@aheymans.xyz>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
This commit is contained in:
Mario Scheithauer 2022-11-10 09:34:57 +01:00 committed by Martin L Roth
parent 969531b6d8
commit 155cf5cd2e
3 changed files with 19 additions and 0 deletions
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1
src/drivers/net/phy/m88e1512/chip.h
View File

@ -7,4 +7,5 @@ struct drivers_net_phy_m88e1512_config {
unsigned char led_0_ctrl; /* LED[0] Control */ unsigned char led_0_ctrl; /* LED[0] Control */
unsigned char led_1_ctrl; /* LED[1] Control */ unsigned char led_1_ctrl; /* LED[1] Control */
unsigned char led_2_ctrl; /* LED[2] Control */ unsigned char led_2_ctrl; /* LED[2] Control */
bool enable_int; /* INTn can be routed to LED[2] pin */
}; };

16
src/drivers/net/phy/m88e1512/m88e1512.c
View File

@ -34,6 +34,22 @@ static void m88e1512_init(struct device *dev)
/* Switch back to page 0. */ /* Switch back to page 0. */
switch_page(dev, 0); switch_page(dev, 0);
} }
/* INTn can be routed to LED[2] pin. */
if (config->enable_int) {
printk(BIOS_DEBUG, "%s: INTn is routed to LED[2] pin %s.\n",
dev_path(dev->bus->dev), dev->chip_ops->name);
/* Select page 3 to access LED function control register. */
switch_page(dev, 3);
reg = mdio_read(dev, LED_TIMER_CTRL_REG);
setbits16(&reg, LED_IRQ_ENABLE);
mdio_write(dev, LED_TIMER_CTRL_REG, reg);
/* Switch back to page 0. */
switch_page(dev, 0);
}
} }
struct device_operations m88e1512_ops = { struct device_operations m88e1512_ops = {

2
src/drivers/net/phy/m88e1512/m88e1512.h
View File

@ -7,5 +7,7 @@
#define PAGE_REG 0x16 #define PAGE_REG 0x16
#define LED_FUNC_CTRL_REG 0x10 #define LED_FUNC_CTRL_REG 0x10
#define LED_FUNC_CTRL_MASK 0x0FFF #define LED_FUNC_CTRL_MASK 0x0FFF
#define LED_TIMER_CTRL_REG 0x12
#define LED_IRQ_ENABLE (1 << 7)
#endif /* _PHY_M88E1512_H_ */ #endif /* _PHY_M88E1512_H_ */