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lan743x: Add power management support

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Implement power management
Supports suspend, resume, and Wake on LAN

Signed-off-by: Bryan Whitehead <Bryan.Whitehead@microchip.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Bryan Whitehead
2018-07-23 16:16:31 -04:00
committed by David S. Miller
parent 695846047a
commit 4d94282afd
3 changed files with 270 additions and 0 deletions
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47
drivers/net/ethernet/microchip/lan743x_main.h
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@@ -24,8 +24,18 @@
#define HW_CFG_LRST_ BIT(1)
#define PMT_CTL (0x014)
#define PMT_CTL_ETH_PHY_D3_COLD_OVR_ BIT(27)
#define PMT_CTL_MAC_D3_RX_CLK_OVR_ BIT(25)
#define PMT_CTL_ETH_PHY_EDPD_PLL_CTL_ BIT(24)
#define PMT_CTL_ETH_PHY_D3_OVR_ BIT(23)
#define PMT_CTL_RX_FCT_RFE_D3_CLK_OVR_ BIT(18)
#define PMT_CTL_GPIO_WAKEUP_EN_ BIT(15)
#define PMT_CTL_EEE_WAKEUP_EN_ BIT(13)
#define PMT_CTL_READY_ BIT(7)
#define PMT_CTL_ETH_PHY_RST_ BIT(4)
#define PMT_CTL_WOL_EN_ BIT(3)
#define PMT_CTL_ETH_PHY_WAKE_EN_ BIT(2)
#define PMT_CTL_WUPS_MASK_ (0x00000003)
#define DP_SEL (0x024)
#define DP_SEL_DPRDY_ BIT(31)
@@ -107,6 +117,38 @@
#define MAC_MII_DATA (0x124)
#define MAC_WUCSR (0x140)
#define MAC_WUCSR_RFE_WAKE_EN_ BIT(14)
#define MAC_WUCSR_PFDA_EN_ BIT(3)
#define MAC_WUCSR_WAKE_EN_ BIT(2)
#define MAC_WUCSR_MPEN_ BIT(1)
#define MAC_WUCSR_BCST_EN_ BIT(0)
#define MAC_WK_SRC (0x144)
#define MAC_WUF_CFG0 (0x150)
#define MAC_NUM_OF_WUF_CFG (32)
#define MAC_WUF_CFG_BEGIN (MAC_WUF_CFG0)
#define MAC_WUF_CFG(index) (MAC_WUF_CFG_BEGIN + (4 * (index)))
#define MAC_WUF_CFG_EN_ BIT(31)
#define MAC_WUF_CFG_TYPE_MCAST_ (0x02000000)
#define MAC_WUF_CFG_TYPE_ALL_ (0x01000000)
#define MAC_WUF_CFG_OFFSET_SHIFT_ (16)
#define MAC_WUF_CFG_CRC16_MASK_ (0x0000FFFF)
#define MAC_WUF_MASK0_0 (0x200)
#define MAC_WUF_MASK0_1 (0x204)
#define MAC_WUF_MASK0_2 (0x208)
#define MAC_WUF_MASK0_3 (0x20C)
#define MAC_WUF_MASK0_BEGIN (MAC_WUF_MASK0_0)
#define MAC_WUF_MASK1_BEGIN (MAC_WUF_MASK0_1)
#define MAC_WUF_MASK2_BEGIN (MAC_WUF_MASK0_2)
#define MAC_WUF_MASK3_BEGIN (MAC_WUF_MASK0_3)
#define MAC_WUF_MASK0(index) (MAC_WUF_MASK0_BEGIN + (0x10 * (index)))
#define MAC_WUF_MASK1(index) (MAC_WUF_MASK1_BEGIN + (0x10 * (index)))
#define MAC_WUF_MASK2(index) (MAC_WUF_MASK2_BEGIN + (0x10 * (index)))
#define MAC_WUF_MASK3(index) (MAC_WUF_MASK3_BEGIN + (0x10 * (index)))
/* offset 0x400 - 0x500, x may range from 0 to 32, for a total of 33 entries */
#define RFE_ADDR_FILT_HI(x) (0x400 + (8 * (x)))
#define RFE_ADDR_FILT_HI_VALID_ BIT(31)
@@ -121,6 +163,8 @@
#define RFE_CTL_MCAST_HASH_ BIT(3)
#define RFE_CTL_DA_PERFECT_ BIT(1)
#define MAC_WUCSR2 (0x600)
#define INT_STS (0x780)
#define INT_BIT_DMA_RX_(channel) BIT(24 + (channel))
#define INT_BIT_ALL_RX_ (0x0F000000)
@@ -534,6 +578,9 @@ struct lan743x_adapter {
struct net_device *netdev;
struct mii_bus *mdiobus;
int msg_enable;
#ifdef CONFIG_PM
u32 wolopts;
#endif
struct pci_dev *pdev;
struct lan743x_csr csr;
struct lan743x_intr intr;