Commit 123c1407 authored by Michal Simek's avatar Michal Simek Committed by David S. Miller

net: emaclite: Do not use microblaze and ppc IO functions

Emaclite can be used on ARM zynq where in_be32/out_be32 IO
functions are not present. Use standard __raw_readl/__raw_writel
IO functions instead.
Signed-off-by: default avatarMichal Simek <michal.simek@xilinx.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 3fb99fa7
...@@ -159,34 +159,32 @@ static void xemaclite_enable_interrupts(struct net_local *drvdata) ...@@ -159,34 +159,32 @@ static void xemaclite_enable_interrupts(struct net_local *drvdata)
u32 reg_data; u32 reg_data;
/* Enable the Tx interrupts for the first Buffer */ /* Enable the Tx interrupts for the first Buffer */
reg_data = in_be32(drvdata->base_addr + XEL_TSR_OFFSET); reg_data = __raw_readl(drvdata->base_addr + XEL_TSR_OFFSET);
out_be32(drvdata->base_addr + XEL_TSR_OFFSET, __raw_writel(reg_data | XEL_TSR_XMIT_IE_MASK,
reg_data | XEL_TSR_XMIT_IE_MASK); drvdata->base_addr + XEL_TSR_OFFSET);
/* Enable the Tx interrupts for the second Buffer if /* Enable the Tx interrupts for the second Buffer if
* configured in HW */ * configured in HW */
if (drvdata->tx_ping_pong != 0) { if (drvdata->tx_ping_pong != 0) {
reg_data = in_be32(drvdata->base_addr + reg_data = __raw_readl(drvdata->base_addr +
XEL_BUFFER_OFFSET + XEL_TSR_OFFSET); XEL_BUFFER_OFFSET + XEL_TSR_OFFSET);
out_be32(drvdata->base_addr + XEL_BUFFER_OFFSET + __raw_writel(reg_data | XEL_TSR_XMIT_IE_MASK,
XEL_TSR_OFFSET, drvdata->base_addr + XEL_BUFFER_OFFSET +
reg_data | XEL_TSR_XMIT_IE_MASK); XEL_TSR_OFFSET);
} }
/* Enable the Rx interrupts for the first buffer */ /* Enable the Rx interrupts for the first buffer */
out_be32(drvdata->base_addr + XEL_RSR_OFFSET, __raw_writel(XEL_RSR_RECV_IE_MASK, drvdata->base_addr + XEL_RSR_OFFSET);
XEL_RSR_RECV_IE_MASK);
/* Enable the Rx interrupts for the second Buffer if /* Enable the Rx interrupts for the second Buffer if
* configured in HW */ * configured in HW */
if (drvdata->rx_ping_pong != 0) { if (drvdata->rx_ping_pong != 0) {
out_be32(drvdata->base_addr + XEL_BUFFER_OFFSET + __raw_writel(XEL_RSR_RECV_IE_MASK, drvdata->base_addr +
XEL_RSR_OFFSET, XEL_BUFFER_OFFSET + XEL_RSR_OFFSET);
XEL_RSR_RECV_IE_MASK);
} }
/* Enable the Global Interrupt Enable */ /* Enable the Global Interrupt Enable */
out_be32(drvdata->base_addr + XEL_GIER_OFFSET, XEL_GIER_GIE_MASK); __raw_writel(XEL_GIER_GIE_MASK, drvdata->base_addr + XEL_GIER_OFFSET);
} }
/** /**
...@@ -201,37 +199,37 @@ static void xemaclite_disable_interrupts(struct net_local *drvdata) ...@@ -201,37 +199,37 @@ static void xemaclite_disable_interrupts(struct net_local *drvdata)
u32 reg_data; u32 reg_data;
/* Disable the Global Interrupt Enable */ /* Disable the Global Interrupt Enable */
out_be32(drvdata->base_addr + XEL_GIER_OFFSET, XEL_GIER_GIE_MASK); __raw_writel(XEL_GIER_GIE_MASK, drvdata->base_addr + XEL_GIER_OFFSET);
/* Disable the Tx interrupts for the first buffer */ /* Disable the Tx interrupts for the first buffer */
reg_data = in_be32(drvdata->base_addr + XEL_TSR_OFFSET); reg_data = __raw_readl(drvdata->base_addr + XEL_TSR_OFFSET);
out_be32(drvdata->base_addr + XEL_TSR_OFFSET, __raw_writel(reg_data & (~XEL_TSR_XMIT_IE_MASK),
reg_data & (~XEL_TSR_XMIT_IE_MASK)); drvdata->base_addr + XEL_TSR_OFFSET);
/* Disable the Tx interrupts for the second Buffer /* Disable the Tx interrupts for the second Buffer
* if configured in HW */ * if configured in HW */
if (drvdata->tx_ping_pong != 0) { if (drvdata->tx_ping_pong != 0) {
reg_data = in_be32(drvdata->base_addr + XEL_BUFFER_OFFSET + reg_data = __raw_readl(drvdata->base_addr + XEL_BUFFER_OFFSET +
XEL_TSR_OFFSET); XEL_TSR_OFFSET);
out_be32(drvdata->base_addr + XEL_BUFFER_OFFSET + __raw_writel(reg_data & (~XEL_TSR_XMIT_IE_MASK),
XEL_TSR_OFFSET, drvdata->base_addr + XEL_BUFFER_OFFSET +
reg_data & (~XEL_TSR_XMIT_IE_MASK)); XEL_TSR_OFFSET);
} }
/* Disable the Rx interrupts for the first buffer */ /* Disable the Rx interrupts for the first buffer */
reg_data = in_be32(drvdata->base_addr + XEL_RSR_OFFSET); reg_data = __raw_readl(drvdata->base_addr + XEL_RSR_OFFSET);
out_be32(drvdata->base_addr + XEL_RSR_OFFSET, __raw_writel(reg_data & (~XEL_RSR_RECV_IE_MASK),
reg_data & (~XEL_RSR_RECV_IE_MASK)); drvdata->base_addr + XEL_RSR_OFFSET);
/* Disable the Rx interrupts for the second buffer /* Disable the Rx interrupts for the second buffer
* if configured in HW */ * if configured in HW */
if (drvdata->rx_ping_pong != 0) { if (drvdata->rx_ping_pong != 0) {
reg_data = in_be32(drvdata->base_addr + XEL_BUFFER_OFFSET + reg_data = __raw_readl(drvdata->base_addr + XEL_BUFFER_OFFSET +
XEL_RSR_OFFSET); XEL_RSR_OFFSET);
out_be32(drvdata->base_addr + XEL_BUFFER_OFFSET + __raw_writel(reg_data & (~XEL_RSR_RECV_IE_MASK),
XEL_RSR_OFFSET, drvdata->base_addr + XEL_BUFFER_OFFSET +
reg_data & (~XEL_RSR_RECV_IE_MASK)); XEL_RSR_OFFSET);
} }
} }
...@@ -351,7 +349,7 @@ static int xemaclite_send_data(struct net_local *drvdata, u8 *data, ...@@ -351,7 +349,7 @@ static int xemaclite_send_data(struct net_local *drvdata, u8 *data,
byte_count = ETH_FRAME_LEN; byte_count = ETH_FRAME_LEN;
/* Check if the expected buffer is available */ /* Check if the expected buffer is available */
reg_data = in_be32(addr + XEL_TSR_OFFSET); reg_data = __raw_readl(addr + XEL_TSR_OFFSET);
if ((reg_data & (XEL_TSR_XMIT_BUSY_MASK | if ((reg_data & (XEL_TSR_XMIT_BUSY_MASK |
XEL_TSR_XMIT_ACTIVE_MASK)) == 0) { XEL_TSR_XMIT_ACTIVE_MASK)) == 0) {
...@@ -364,7 +362,7 @@ static int xemaclite_send_data(struct net_local *drvdata, u8 *data, ...@@ -364,7 +362,7 @@ static int xemaclite_send_data(struct net_local *drvdata, u8 *data,
addr = (void __iomem __force *)((u32 __force)addr ^ addr = (void __iomem __force *)((u32 __force)addr ^
XEL_BUFFER_OFFSET); XEL_BUFFER_OFFSET);
reg_data = in_be32(addr + XEL_TSR_OFFSET); reg_data = __raw_readl(addr + XEL_TSR_OFFSET);
if ((reg_data & (XEL_TSR_XMIT_BUSY_MASK | if ((reg_data & (XEL_TSR_XMIT_BUSY_MASK |
XEL_TSR_XMIT_ACTIVE_MASK)) != 0) XEL_TSR_XMIT_ACTIVE_MASK)) != 0)
...@@ -375,15 +373,16 @@ static int xemaclite_send_data(struct net_local *drvdata, u8 *data, ...@@ -375,15 +373,16 @@ static int xemaclite_send_data(struct net_local *drvdata, u8 *data,
/* Write the frame to the buffer */ /* Write the frame to the buffer */
xemaclite_aligned_write(data, (u32 __force *) addr, byte_count); xemaclite_aligned_write(data, (u32 __force *) addr, byte_count);
out_be32(addr + XEL_TPLR_OFFSET, (byte_count & XEL_TPLR_LENGTH_MASK)); __raw_writel((byte_count & XEL_TPLR_LENGTH_MASK),
addr + XEL_TPLR_OFFSET);
/* Update the Tx Status Register to indicate that there is a /* Update the Tx Status Register to indicate that there is a
* frame to send. Set the XEL_TSR_XMIT_ACTIVE_MASK flag which * frame to send. Set the XEL_TSR_XMIT_ACTIVE_MASK flag which
* is used by the interrupt handler to check whether a frame * is used by the interrupt handler to check whether a frame
* has been transmitted */ * has been transmitted */
reg_data = in_be32(addr + XEL_TSR_OFFSET); reg_data = __raw_readl(addr + XEL_TSR_OFFSET);
reg_data |= (XEL_TSR_XMIT_BUSY_MASK | XEL_TSR_XMIT_ACTIVE_MASK); reg_data |= (XEL_TSR_XMIT_BUSY_MASK | XEL_TSR_XMIT_ACTIVE_MASK);
out_be32(addr + XEL_TSR_OFFSET, reg_data); __raw_writel(reg_data, addr + XEL_TSR_OFFSET);
return 0; return 0;
} }
...@@ -408,7 +407,7 @@ static u16 xemaclite_recv_data(struct net_local *drvdata, u8 *data) ...@@ -408,7 +407,7 @@ static u16 xemaclite_recv_data(struct net_local *drvdata, u8 *data)
addr = (drvdata->base_addr + drvdata->next_rx_buf_to_use); addr = (drvdata->base_addr + drvdata->next_rx_buf_to_use);
/* Verify which buffer has valid data */ /* Verify which buffer has valid data */
reg_data = in_be32(addr + XEL_RSR_OFFSET); reg_data = __raw_readl(addr + XEL_RSR_OFFSET);
if ((reg_data & XEL_RSR_RECV_DONE_MASK) == XEL_RSR_RECV_DONE_MASK) { if ((reg_data & XEL_RSR_RECV_DONE_MASK) == XEL_RSR_RECV_DONE_MASK) {
if (drvdata->rx_ping_pong != 0) if (drvdata->rx_ping_pong != 0)
...@@ -425,14 +424,14 @@ static u16 xemaclite_recv_data(struct net_local *drvdata, u8 *data) ...@@ -425,14 +424,14 @@ static u16 xemaclite_recv_data(struct net_local *drvdata, u8 *data)
return 0; /* No data was available */ return 0; /* No data was available */
/* Verify that buffer has valid data */ /* Verify that buffer has valid data */
reg_data = in_be32(addr + XEL_RSR_OFFSET); reg_data = __raw_readl(addr + XEL_RSR_OFFSET);
if ((reg_data & XEL_RSR_RECV_DONE_MASK) != if ((reg_data & XEL_RSR_RECV_DONE_MASK) !=
XEL_RSR_RECV_DONE_MASK) XEL_RSR_RECV_DONE_MASK)
return 0; /* No data was available */ return 0; /* No data was available */
} }
/* Get the protocol type of the ethernet frame that arrived */ /* Get the protocol type of the ethernet frame that arrived */
proto_type = ((ntohl(in_be32(addr + XEL_HEADER_OFFSET + proto_type = ((ntohl(__raw_readl(addr + XEL_HEADER_OFFSET +
XEL_RXBUFF_OFFSET)) >> XEL_HEADER_SHIFT) & XEL_RXBUFF_OFFSET)) >> XEL_HEADER_SHIFT) &
XEL_RPLR_LENGTH_MASK); XEL_RPLR_LENGTH_MASK);
...@@ -441,7 +440,7 @@ static u16 xemaclite_recv_data(struct net_local *drvdata, u8 *data) ...@@ -441,7 +440,7 @@ static u16 xemaclite_recv_data(struct net_local *drvdata, u8 *data)
if (proto_type > (ETH_FRAME_LEN + ETH_FCS_LEN)) { if (proto_type > (ETH_FRAME_LEN + ETH_FCS_LEN)) {
if (proto_type == ETH_P_IP) { if (proto_type == ETH_P_IP) {
length = ((ntohl(in_be32(addr + length = ((ntohl(__raw_readl(addr +
XEL_HEADER_IP_LENGTH_OFFSET + XEL_HEADER_IP_LENGTH_OFFSET +
XEL_RXBUFF_OFFSET)) >> XEL_RXBUFF_OFFSET)) >>
XEL_HEADER_SHIFT) & XEL_HEADER_SHIFT) &
...@@ -463,9 +462,9 @@ static u16 xemaclite_recv_data(struct net_local *drvdata, u8 *data) ...@@ -463,9 +462,9 @@ static u16 xemaclite_recv_data(struct net_local *drvdata, u8 *data)
data, length); data, length);
/* Acknowledge the frame */ /* Acknowledge the frame */
reg_data = in_be32(addr + XEL_RSR_OFFSET); reg_data = __raw_readl(addr + XEL_RSR_OFFSET);
reg_data &= ~XEL_RSR_RECV_DONE_MASK; reg_data &= ~XEL_RSR_RECV_DONE_MASK;
out_be32(addr + XEL_RSR_OFFSET, reg_data); __raw_writel(reg_data, addr + XEL_RSR_OFFSET);
return length; return length;
} }
...@@ -492,14 +491,14 @@ static void xemaclite_update_address(struct net_local *drvdata, ...@@ -492,14 +491,14 @@ static void xemaclite_update_address(struct net_local *drvdata,
xemaclite_aligned_write(address_ptr, (u32 __force *) addr, ETH_ALEN); xemaclite_aligned_write(address_ptr, (u32 __force *) addr, ETH_ALEN);
out_be32(addr + XEL_TPLR_OFFSET, ETH_ALEN); __raw_writel(ETH_ALEN, addr + XEL_TPLR_OFFSET);
/* Update the MAC address in the EmacLite */ /* Update the MAC address in the EmacLite */
reg_data = in_be32(addr + XEL_TSR_OFFSET); reg_data = __raw_readl(addr + XEL_TSR_OFFSET);
out_be32(addr + XEL_TSR_OFFSET, reg_data | XEL_TSR_PROG_MAC_ADDR); __raw_writel(reg_data | XEL_TSR_PROG_MAC_ADDR, addr + XEL_TSR_OFFSET);
/* Wait for EmacLite to finish with the MAC address update */ /* Wait for EmacLite to finish with the MAC address update */
while ((in_be32(addr + XEL_TSR_OFFSET) & while ((__raw_readl(addr + XEL_TSR_OFFSET) &
XEL_TSR_PROG_MAC_ADDR) != 0) XEL_TSR_PROG_MAC_ADDR) != 0)
; ;
} }
...@@ -669,31 +668,32 @@ static irqreturn_t xemaclite_interrupt(int irq, void *dev_id) ...@@ -669,31 +668,32 @@ static irqreturn_t xemaclite_interrupt(int irq, void *dev_id)
u32 tx_status; u32 tx_status;
/* Check if there is Rx Data available */ /* Check if there is Rx Data available */
if ((in_be32(base_addr + XEL_RSR_OFFSET) & XEL_RSR_RECV_DONE_MASK) || if ((__raw_readl(base_addr + XEL_RSR_OFFSET) &
(in_be32(base_addr + XEL_BUFFER_OFFSET + XEL_RSR_OFFSET) XEL_RSR_RECV_DONE_MASK) ||
(__raw_readl(base_addr + XEL_BUFFER_OFFSET + XEL_RSR_OFFSET)
& XEL_RSR_RECV_DONE_MASK)) & XEL_RSR_RECV_DONE_MASK))
xemaclite_rx_handler(dev); xemaclite_rx_handler(dev);
/* Check if the Transmission for the first buffer is completed */ /* Check if the Transmission for the first buffer is completed */
tx_status = in_be32(base_addr + XEL_TSR_OFFSET); tx_status = __raw_readl(base_addr + XEL_TSR_OFFSET);
if (((tx_status & XEL_TSR_XMIT_BUSY_MASK) == 0) && if (((tx_status & XEL_TSR_XMIT_BUSY_MASK) == 0) &&
(tx_status & XEL_TSR_XMIT_ACTIVE_MASK) != 0) { (tx_status & XEL_TSR_XMIT_ACTIVE_MASK) != 0) {
tx_status &= ~XEL_TSR_XMIT_ACTIVE_MASK; tx_status &= ~XEL_TSR_XMIT_ACTIVE_MASK;
out_be32(base_addr + XEL_TSR_OFFSET, tx_status); __raw_writel(tx_status, base_addr + XEL_TSR_OFFSET);
tx_complete = true; tx_complete = true;
} }
/* Check if the Transmission for the second buffer is completed */ /* Check if the Transmission for the second buffer is completed */
tx_status = in_be32(base_addr + XEL_BUFFER_OFFSET + XEL_TSR_OFFSET); tx_status = __raw_readl(base_addr + XEL_BUFFER_OFFSET + XEL_TSR_OFFSET);
if (((tx_status & XEL_TSR_XMIT_BUSY_MASK) == 0) && if (((tx_status & XEL_TSR_XMIT_BUSY_MASK) == 0) &&
(tx_status & XEL_TSR_XMIT_ACTIVE_MASK) != 0) { (tx_status & XEL_TSR_XMIT_ACTIVE_MASK) != 0) {
tx_status &= ~XEL_TSR_XMIT_ACTIVE_MASK; tx_status &= ~XEL_TSR_XMIT_ACTIVE_MASK;
out_be32(base_addr + XEL_BUFFER_OFFSET + XEL_TSR_OFFSET, __raw_writel(tx_status, base_addr + XEL_BUFFER_OFFSET +
tx_status); XEL_TSR_OFFSET);
tx_complete = true; tx_complete = true;
} }
...@@ -726,7 +726,7 @@ static int xemaclite_mdio_wait(struct net_local *lp) ...@@ -726,7 +726,7 @@ static int xemaclite_mdio_wait(struct net_local *lp)
/* wait for the MDIO interface to not be busy or timeout /* wait for the MDIO interface to not be busy or timeout
after some time. after some time.
*/ */
while (in_be32(lp->base_addr + XEL_MDIOCTRL_OFFSET) & while (__raw_readl(lp->base_addr + XEL_MDIOCTRL_OFFSET) &
XEL_MDIOCTRL_MDIOSTS_MASK) { XEL_MDIOCTRL_MDIOSTS_MASK) {
if (end - jiffies <= 0) { if (end - jiffies <= 0) {
WARN_ON(1); WARN_ON(1);
...@@ -762,17 +762,17 @@ static int xemaclite_mdio_read(struct mii_bus *bus, int phy_id, int reg) ...@@ -762,17 +762,17 @@ static int xemaclite_mdio_read(struct mii_bus *bus, int phy_id, int reg)
* MDIO Address register. Set the Status bit in the MDIO Control * MDIO Address register. Set the Status bit in the MDIO Control
* register to start a MDIO read transaction. * register to start a MDIO read transaction.
*/ */
ctrl_reg = in_be32(lp->base_addr + XEL_MDIOCTRL_OFFSET); ctrl_reg = __raw_readl(lp->base_addr + XEL_MDIOCTRL_OFFSET);
out_be32(lp->base_addr + XEL_MDIOADDR_OFFSET, __raw_writel(XEL_MDIOADDR_OP_MASK |
XEL_MDIOADDR_OP_MASK | ((phy_id << XEL_MDIOADDR_PHYADR_SHIFT) | reg),
((phy_id << XEL_MDIOADDR_PHYADR_SHIFT) | reg)); lp->base_addr + XEL_MDIOADDR_OFFSET);
out_be32(lp->base_addr + XEL_MDIOCTRL_OFFSET, __raw_writel(ctrl_reg | XEL_MDIOCTRL_MDIOSTS_MASK,
ctrl_reg | XEL_MDIOCTRL_MDIOSTS_MASK); lp->base_addr + XEL_MDIOCTRL_OFFSET);
if (xemaclite_mdio_wait(lp)) if (xemaclite_mdio_wait(lp))
return -ETIMEDOUT; return -ETIMEDOUT;
rc = in_be32(lp->base_addr + XEL_MDIORD_OFFSET); rc = __raw_readl(lp->base_addr + XEL_MDIORD_OFFSET);
dev_dbg(&lp->ndev->dev, dev_dbg(&lp->ndev->dev,
"xemaclite_mdio_read(phy_id=%i, reg=%x) == %x\n", "xemaclite_mdio_read(phy_id=%i, reg=%x) == %x\n",
...@@ -809,13 +809,13 @@ static int xemaclite_mdio_write(struct mii_bus *bus, int phy_id, int reg, ...@@ -809,13 +809,13 @@ static int xemaclite_mdio_write(struct mii_bus *bus, int phy_id, int reg,
* Data register. Finally, set the Status bit in the MDIO Control * Data register. Finally, set the Status bit in the MDIO Control
* register to start a MDIO write transaction. * register to start a MDIO write transaction.
*/ */
ctrl_reg = in_be32(lp->base_addr + XEL_MDIOCTRL_OFFSET); ctrl_reg = __raw_readl(lp->base_addr + XEL_MDIOCTRL_OFFSET);
out_be32(lp->base_addr + XEL_MDIOADDR_OFFSET, __raw_writel(~XEL_MDIOADDR_OP_MASK &
~XEL_MDIOADDR_OP_MASK & ((phy_id << XEL_MDIOADDR_PHYADR_SHIFT) | reg),
((phy_id << XEL_MDIOADDR_PHYADR_SHIFT) | reg)); lp->base_addr + XEL_MDIOADDR_OFFSET);
out_be32(lp->base_addr + XEL_MDIOWR_OFFSET, val); __raw_writel(val, lp->base_addr + XEL_MDIOWR_OFFSET);
out_be32(lp->base_addr + XEL_MDIOCTRL_OFFSET, __raw_writel(ctrl_reg | XEL_MDIOCTRL_MDIOSTS_MASK,
ctrl_reg | XEL_MDIOCTRL_MDIOSTS_MASK); lp->base_addr + XEL_MDIOCTRL_OFFSET);
return 0; return 0;
} }
...@@ -872,8 +872,8 @@ static int xemaclite_mdio_setup(struct net_local *lp, struct device *dev) ...@@ -872,8 +872,8 @@ static int xemaclite_mdio_setup(struct net_local *lp, struct device *dev)
/* Enable the MDIO bus by asserting the enable bit in MDIO Control /* Enable the MDIO bus by asserting the enable bit in MDIO Control
* register. * register.
*/ */
out_be32(lp->base_addr + XEL_MDIOCTRL_OFFSET, __raw_writel(XEL_MDIOCTRL_MDIOEN_MASK,
XEL_MDIOCTRL_MDIOEN_MASK); lp->base_addr + XEL_MDIOCTRL_OFFSET);
bus = mdiobus_alloc(); bus = mdiobus_alloc();
if (!bus) { if (!bus) {
...@@ -1197,8 +1197,8 @@ static int xemaclite_of_probe(struct platform_device *ofdev) ...@@ -1197,8 +1197,8 @@ static int xemaclite_of_probe(struct platform_device *ofdev)
dev_warn(dev, "No MAC address found\n"); dev_warn(dev, "No MAC address found\n");
/* Clear the Tx CSR's in case this is a restart */ /* Clear the Tx CSR's in case this is a restart */
out_be32(lp->base_addr + XEL_TSR_OFFSET, 0); __raw_writel(0, lp->base_addr + XEL_TSR_OFFSET);
out_be32(lp->base_addr + XEL_BUFFER_OFFSET + XEL_TSR_OFFSET, 0); __raw_writel(0, lp->base_addr + XEL_BUFFER_OFFSET + XEL_TSR_OFFSET);
/* Set the MAC address in the EmacLite device */ /* Set the MAC address in the EmacLite device */
xemaclite_update_address(lp, ndev->dev_addr); xemaclite_update_address(lp, ndev->dev_addr);
......
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