From 274c224062ff9545d8df2a6e4764a5fd660d792e Mon Sep 17 00:00:00 2001 From: Conley Lee Date: Tue, 11 Jan 2022 11:05:53 +0800 Subject: net: ethernet: sun4i-emac: replace magic number with macro This patch remove magic numbers in sun4i-emac.c and replace with macros defined in sun4i-emac.h Signed-off-by: Conley Lee Tested-by: Corentin Labbe Link: https://lore.kernel.org/r/tencent_71466C2135CD1780B19D7844BE3F167C940A@qq.com Signed-off-by: Jakub Kicinski --- drivers/net/ethernet/allwinner/sun4i-emac.c | 30 ++++++++++++++++------------- drivers/net/ethernet/allwinner/sun4i-emac.h | 18 +++++++++++++++++ 2 files changed, 35 insertions(+), 13 deletions(-) diff --git a/drivers/net/ethernet/allwinner/sun4i-emac.c b/drivers/net/ethernet/allwinner/sun4i-emac.c index 849de4564709..74635a6fa8ca 100644 --- a/drivers/net/ethernet/allwinner/sun4i-emac.c +++ b/drivers/net/ethernet/allwinner/sun4i-emac.c @@ -106,9 +106,9 @@ static void emac_update_speed(struct net_device *dev) /* set EMAC SPEED, depend on PHY */ reg_val = readl(db->membase + EMAC_MAC_SUPP_REG); - reg_val &= ~(0x1 << 8); + reg_val &= ~EMAC_MAC_SUPP_100M; if (db->speed == SPEED_100) - reg_val |= 1 << 8; + reg_val |= EMAC_MAC_SUPP_100M; writel(reg_val, db->membase + EMAC_MAC_SUPP_REG); } @@ -264,7 +264,7 @@ static void emac_dma_done_callback(void *arg) /* re enable interrupt */ reg_val = readl(db->membase + EMAC_INT_CTL_REG); - reg_val |= (0x01 << 8); + reg_val |= EMAC_INT_CTL_RX_EN; writel(reg_val, db->membase + EMAC_INT_CTL_REG); db->emacrx_completed_flag = 1; @@ -429,7 +429,7 @@ static unsigned int emac_powerup(struct net_device *ndev) /* initial EMAC */ /* flush RX FIFO */ reg_val = readl(db->membase + EMAC_RX_CTL_REG); - reg_val |= 0x8; + reg_val |= EMAC_RX_CTL_FLUSH_FIFO; writel(reg_val, db->membase + EMAC_RX_CTL_REG); udelay(1); @@ -441,8 +441,8 @@ static unsigned int emac_powerup(struct net_device *ndev) /* set MII clock */ reg_val = readl(db->membase + EMAC_MAC_MCFG_REG); - reg_val &= (~(0xf << 2)); - reg_val |= (0xD << 2); + reg_val &= ~EMAC_MAC_MCFG_MII_CLKD_MASK; + reg_val |= EMAC_MAC_MCFG_MII_CLKD_72; writel(reg_val, db->membase + EMAC_MAC_MCFG_REG); /* clear RX counter */ @@ -506,7 +506,7 @@ static void emac_init_device(struct net_device *dev) /* enable RX/TX0/RX Hlevel interrup */ reg_val = readl(db->membase + EMAC_INT_CTL_REG); - reg_val |= (0xf << 0) | (0x01 << 8); + reg_val |= (EMAC_INT_CTL_TX_EN | EMAC_INT_CTL_TX_ABRT_EN | EMAC_INT_CTL_RX_EN); writel(reg_val, db->membase + EMAC_INT_CTL_REG); spin_unlock_irqrestore(&db->lock, flags); @@ -637,7 +637,9 @@ static void emac_rx(struct net_device *dev) if (!rxcount) { db->emacrx_completed_flag = 1; reg_val = readl(db->membase + EMAC_INT_CTL_REG); - reg_val |= (0xf << 0) | (0x01 << 8); + reg_val |= (EMAC_INT_CTL_TX_EN | + EMAC_INT_CTL_TX_ABRT_EN | + EMAC_INT_CTL_RX_EN); writel(reg_val, db->membase + EMAC_INT_CTL_REG); /* had one stuck? */ @@ -669,7 +671,9 @@ static void emac_rx(struct net_device *dev) writel(reg_val | EMAC_CTL_RX_EN, db->membase + EMAC_CTL_REG); reg_val = readl(db->membase + EMAC_INT_CTL_REG); - reg_val |= (0xf << 0) | (0x01 << 8); + reg_val |= (EMAC_INT_CTL_TX_EN | + EMAC_INT_CTL_TX_ABRT_EN | + EMAC_INT_CTL_RX_EN); writel(reg_val, db->membase + EMAC_INT_CTL_REG); db->emacrx_completed_flag = 1; @@ -783,20 +787,20 @@ static irqreturn_t emac_interrupt(int irq, void *dev_id) } /* Transmit Interrupt check */ - if (int_status & (0x01 | 0x02)) + if (int_status & EMAC_INT_STA_TX_COMPLETE) emac_tx_done(dev, db, int_status); - if (int_status & (0x04 | 0x08)) + if (int_status & EMAC_INT_STA_TX_ABRT) netdev_info(dev, " ab : %x\n", int_status); /* Re-enable interrupt mask */ if (db->emacrx_completed_flag == 1) { reg_val = readl(db->membase + EMAC_INT_CTL_REG); - reg_val |= (0xf << 0) | (0x01 << 8); + reg_val |= (EMAC_INT_CTL_TX_EN | EMAC_INT_CTL_TX_ABRT_EN | EMAC_INT_CTL_RX_EN); writel(reg_val, db->membase + EMAC_INT_CTL_REG); } else { reg_val = readl(db->membase + EMAC_INT_CTL_REG); - reg_val |= (0xf << 0); + reg_val |= (EMAC_INT_CTL_TX_EN | EMAC_INT_CTL_TX_ABRT_EN); writel(reg_val, db->membase + EMAC_INT_CTL_REG); } diff --git a/drivers/net/ethernet/allwinner/sun4i-emac.h b/drivers/net/ethernet/allwinner/sun4i-emac.h index 38c72d9ec600..90bd9ad77607 100644 --- a/drivers/net/ethernet/allwinner/sun4i-emac.h +++ b/drivers/net/ethernet/allwinner/sun4i-emac.h @@ -38,6 +38,7 @@ #define EMAC_RX_CTL_REG (0x3c) #define EMAC_RX_CTL_AUTO_DRQ_EN (1 << 1) #define EMAC_RX_CTL_DMA_EN (1 << 2) +#define EMAC_RX_CTL_FLUSH_FIFO (1 << 3) #define EMAC_RX_CTL_PASS_ALL_EN (1 << 4) #define EMAC_RX_CTL_PASS_CTL_EN (1 << 5) #define EMAC_RX_CTL_PASS_CRC_ERR_EN (1 << 6) @@ -61,7 +62,21 @@ #define EMAC_RX_IO_DATA_STATUS_OK (1 << 7) #define EMAC_RX_FBC_REG (0x50) #define EMAC_INT_CTL_REG (0x54) +#define EMAC_INT_CTL_RX_EN (1 << 8) +#define EMAC_INT_CTL_TX0_EN (1) +#define EMAC_INT_CTL_TX1_EN (1 << 1) +#define EMAC_INT_CTL_TX_EN (EMAC_INT_CTL_TX0_EN | EMAC_INT_CTL_TX1_EN) +#define EMAC_INT_CTL_TX0_ABRT_EN (0x1 << 2) +#define EMAC_INT_CTL_TX1_ABRT_EN (0x1 << 3) +#define EMAC_INT_CTL_TX_ABRT_EN (EMAC_INT_CTL_TX0_ABRT_EN | EMAC_INT_CTL_TX1_ABRT_EN) #define EMAC_INT_STA_REG (0x58) +#define EMAC_INT_STA_TX0_COMPLETE (0x1) +#define EMAC_INT_STA_TX1_COMPLETE (0x1 << 1) +#define EMAC_INT_STA_TX_COMPLETE (EMAC_INT_STA_TX0_COMPLETE | EMAC_INT_STA_TX1_COMPLETE) +#define EMAC_INT_STA_TX0_ABRT (0x1 << 2) +#define EMAC_INT_STA_TX1_ABRT (0x1 << 3) +#define EMAC_INT_STA_TX_ABRT (EMAC_INT_STA_TX0_ABRT | EMAC_INT_STA_TX1_ABRT) +#define EMAC_INT_STA_RX_COMPLETE (0x1 << 8) #define EMAC_MAC_CTL0_REG (0x5c) #define EMAC_MAC_CTL0_RX_FLOW_CTL_EN (1 << 2) #define EMAC_MAC_CTL0_TX_FLOW_CTL_EN (1 << 3) @@ -87,8 +102,11 @@ #define EMAC_MAC_CLRT_RM (0x0f) #define EMAC_MAC_MAXF_REG (0x70) #define EMAC_MAC_SUPP_REG (0x74) +#define EMAC_MAC_SUPP_100M (0x1 << 8) #define EMAC_MAC_TEST_REG (0x78) #define EMAC_MAC_MCFG_REG (0x7c) +#define EMAC_MAC_MCFG_MII_CLKD_MASK (0xff << 2) +#define EMAC_MAC_MCFG_MII_CLKD_72 (0x0d << 2) #define EMAC_MAC_A0_REG (0x98) #define EMAC_MAC_A1_REG (0x9c) #define EMAC_MAC_A2_REG (0xa0) -- cgit v1.2.3