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i40e: Fix LED blinking flow for X710T*L devices 

Add X710T*L device specific operations (in port LED detection and
handling of GLGEN_GPIO_CTL.PIN_FUNC field) to enable LED blinking.

Signed-off-by: Damian Milosek <damian.milosek@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
This commit is contained in:
Damian Milosek 2019-09-20 02:17:23 -07:00 committed by Jeff Kirsher
parent cdb89f15bd
commit d80a476f4a
2 changed files with 28 additions and 3 deletions
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29
drivers/net/ethernet/intel/i40e/i40e_common.c
View File

@ -1437,9 +1437,9 @@ static u32 i40e_led_is_mine(struct i40e_hw *hw, int idx)
u32 gpio_val = 0;
u32 port;
if (!hw->func_caps.led[idx])
if (!I40E_IS_X710TL_DEVICE(hw->device_id) &&
!hw->func_caps.led[idx])
return 0;
gpio_val = rd32(hw, I40E_GLGEN_GPIO_CTL(idx));
port = (gpio_val & I40E_GLGEN_GPIO_CTL_PRT_NUM_MASK) >>
I40E_GLGEN_GPIO_CTL_PRT_NUM_SHIFT;
@ -1458,8 +1458,15 @@ static u32 i40e_led_is_mine(struct i40e_hw *hw, int idx)
#define I40E_FILTER_ACTIVITY 0xE
#define I40E_LINK_ACTIVITY 0xC
#define I40E_MAC_ACTIVITY 0xD
#define I40E_FW_LED BIT(4)
#define I40E_LED_MODE_VALID (I40E_GLGEN_GPIO_CTL_LED_MODE_MASK >> \
I40E_GLGEN_GPIO_CTL_LED_MODE_SHIFT)
#define I40E_LED0 22
#define I40E_PIN_FUNC_SDP 0x0
#define I40E_PIN_FUNC_LED 0x1
/**
* i40e_led_get - return current on/off mode
* @hw: pointer to the hw struct
@ -1504,8 +1511,10 @@ void i40e_led_set(struct i40e_hw *hw, u32 mode, bool blink)
{
int i;
if (mode & 0xfffffff0)
if (mode & ~I40E_LED_MODE_VALID) {
hw_dbg(hw, "invalid mode passed in %X\n", mode);
return;
}
/* as per the documentation GPIO 22-29 are the LED
* GPIO pins named LED0..LED7
@ -1515,6 +1524,20 @@ void i40e_led_set(struct i40e_hw *hw, u32 mode, bool blink)
if (!gpio_val)
continue;
if (I40E_IS_X710TL_DEVICE(hw->device_id)) {
u32 pin_func = 0;
if (mode & I40E_FW_LED)
pin_func = I40E_PIN_FUNC_SDP;
else
pin_func = I40E_PIN_FUNC_LED;
gpio_val &= ~I40E_GLGEN_GPIO_CTL_PIN_FUNC_MASK;
gpio_val |= ((pin_func <<
I40E_GLGEN_GPIO_CTL_PIN_FUNC_SHIFT) &
I40E_GLGEN_GPIO_CTL_PIN_FUNC_MASK);
}
gpio_val &= ~I40E_GLGEN_GPIO_CTL_LED_MODE_MASK;
/* this & is a bit of paranoia, but serves as a range check */
gpio_val |= ((mode << I40E_GLGEN_GPIO_CTL_LED_MODE_SHIFT) &

2
drivers/net/ethernet/intel/i40e/i40e_devids.h
View File

@ -23,6 +23,8 @@
#define I40E_DEV_ID_10G_BASE_T_BC 0x15FF
#define I40E_DEV_ID_10G_B 0x104F
#define I40E_DEV_ID_10G_SFP 0x104E
#define I40E_IS_X710TL_DEVICE(d) \
((d) == I40E_DEV_ID_10G_BASE_T_BC)
#define I40E_DEV_ID_KX_X722 0x37CE
#define I40E_DEV_ID_QSFP_X722 0x37CF
#define I40E_DEV_ID_SFP_X722 0x37D0