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Date: Sat, 31 Jul 2010 17:05:51 +0200
From: Krzysztof Halasa <khc@...waw.pl>
To: David Miller <davem@...emloft.net>
Cc: <netdev@...r.kernel.org>
Subject: [PATCH 28/29] LMC: Simplify and fix CSR names and logic.
From: Krzysztof Hałasa <khc@...waw.pl>
Signed-off-by: Krzysztof Hałasa <khc@...waw.pl>
---
drivers/net/wan/lmc/main.c | 155 ++++++++++++++++++-------------------------
drivers/net/wan/lmc/media.c | 24 ++++----
drivers/net/wan/lmc/var.h | 93 ++++++++++++--------------
3 files changed, 118 insertions(+), 154 deletions(-)
diff --git a/drivers/net/wan/lmc/main.c b/drivers/net/wan/lmc/main.c
index 13383a5..6635afc 100644
--- a/drivers/net/wan/lmc/main.c
+++ b/drivers/net/wan/lmc/main.c
@@ -26,8 +26,7 @@
* arround.
*
* The initialization portion of this driver (the lmc_reset() and the
- * lmc_dec_reset() functions, as well as the led controls and the
- * lmc_initcsrs() functions.
+ * lmc_dec_reset() functions, as well as the led controls.
*
* The watchdog function runs every second and checks to see if
* we still have link, and that the timing source is what we expected
@@ -96,8 +95,6 @@ static int lmc_open(struct net_device *dev);
static int lmc_close(struct net_device *dev);
static struct net_device_stats *lmc_get_stats(struct net_device *dev);
static irqreturn_t lmc_interrupt(int irq, void *dev_instance);
-static void lmc_initcsrs(struct card * const sc, lmc_csrptr_t csr_base,
- size_t csr_size);
static void lmc_softreset(struct card * const);
static void lmc_running_reset(struct net_device *dev);
static int lmc_ifdown(struct net_device * const);
@@ -329,13 +326,13 @@ int lmc_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
to reset that later anyway. */
sc->gpio &= ~LMC_GEP_RESET;
- LMC_CSR_WRITE(sc, csr_gp, sc->gpio);
+ csr_write(sc, CSR_GPIO, sc->gpio);
/* hold for more than 10 microseconds */
udelay(50);
sc->gpio |= LMC_GEP_RESET;
- LMC_CSR_WRITE(sc, csr_gp, sc->gpio);
+ csr_write(sc, CSR_GPIO, sc->gpio);
/* stop driving Xilinx-related signals */
lmc_gpio_mkinput(sc, 0xff);
@@ -386,16 +383,16 @@ int lmc_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
to reset that later anyway. */
sc->gpio &= ~(LMC_GEP_RESET | LMC_GEP_DP);
- LMC_CSR_WRITE(sc, csr_gp, sc->gpio);
+ csr_write(sc, CSR_GPIO, sc->gpio);
/* hold for more than 10 microseconds */
udelay(50);
sc->gpio |= LMC_GEP_DP | LMC_GEP_RESET;
- LMC_CSR_WRITE(sc, csr_gp, sc->gpio);
+ csr_write(sc, CSR_GPIO, sc->gpio);
/* busy wait for the chip to reset */
- while ((LMC_CSR_READ(sc, csr_gp) & LMC_GEP_INIT) == 0 &&
+ while ((csr_read(sc, CSR_GPIO) & LMC_GEP_INIT) == 0 &&
(timeout-- > 0))
cpu_relax();
@@ -450,7 +447,7 @@ int lmc_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
sc->gpio &= ~LMC_GEP_DP;
sc->gpio &= ~LMC_GEP_RESET;
sc->gpio |= LMC_GEP_MODE;
- LMC_CSR_WRITE(sc, csr_gp, sc->gpio);
+ csr_write(sc, CSR_GPIO, sc->gpio);
lmc_gpio_mkoutput(sc, LMC_GEP_MODE | LMC_GEP_DP |
LMC_GEP_RESET);
@@ -477,13 +474,13 @@ int lmc_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
sc->gpio |= LMC_GEP_MODE;
sc->gpio |= LMC_GEP_DATA;
sc->gpio |= LMC_GEP_CLK;
- LMC_CSR_WRITE(sc, csr_gp, sc->gpio);
+ csr_write(sc, CSR_GPIO, sc->gpio);
lmc_gpio_mkoutput(sc, LMC_GEP_DATA | LMC_GEP_CLK |
LMC_GEP_MODE);
/* busy wait for the chip to reset */
- while ((LMC_CSR_READ(sc, csr_gp) & LMC_GEP_INIT) == 0 &&
+ while ((csr_read(sc, CSR_GPIO) & LMC_GEP_INIT) == 0 &&
(timeout-- > 0))
cpu_relax();
@@ -511,24 +508,25 @@ int lmc_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
/* Clock to zero */
sc->gpio &= ~LMC_GEP_CLK;
sc->gpio |= LMC_GEP_MODE;
- LMC_CSR_WRITE(sc, csr_gp, sc->gpio);
+ csr_write(sc, CSR_GPIO, sc->gpio);
udelay(1);
/* Put the clack back to one */
sc->gpio |= LMC_GEP_CLK;
sc->gpio |= LMC_GEP_MODE;
- LMC_CSR_WRITE(sc, csr_gp, sc->gpio);
+ csr_write(sc, CSR_GPIO, sc->gpio);
udelay(1);
}
- if ((LMC_CSR_READ(sc, csr_gp) & LMC_GEP_INIT) == 0) {
+
+ if ((csr_read(sc, CSR_GPIO) & LMC_GEP_INIT) == 0)
printk(KERN_WARNING
"%s: Reprogramming FAILED. Needs to be reprogrammed. (corrupted data)\n",
dev->name);
- } else if ((LMC_CSR_READ(sc, csr_gp) &
- LMC_GEP_DP) == 0){
- printk(KERN_WARNING "%s: Reprogramming FAILED. Needs to be reprogrammed. (done)\n",
+ else if ((csr_read(sc, CSR_GPIO) & LMC_GEP_DP) == 0)
+ printk(KERN_WARNING
+ "%s: Reprogramming FAILED. Needs to be reprogrammed. (done)\n",
dev->name);
- } else
+ else
printk(KERN_DEBUG
"%s: Done reprogramming Xilinx, %d bits, good luck!\n",
dev->name, pos);
@@ -583,9 +581,9 @@ static void lmc_watchdog(unsigned long data)
* and the transmit and receive processes are running.
*/
- LMC_CSR_WRITE(sc, csr_15, 0x00000011);
+ csr_write(sc, CSR_WATCHDOG, 0x00000011);
sc->cmdmode |= TULIP_CMD_TXRUN | TULIP_CMD_RXRUN;
- LMC_CSR_WRITE(sc, csr_command, sc->cmdmode);
+ csr_write(sc, CSR_COMMAND, sc->cmdmode);
if (sc->ok == 0)
goto kick_timer;
@@ -657,7 +655,7 @@ static void lmc_watchdog(unsigned long data)
/* Poke the transmitter to make sure it never stops, even if we run
out of mem */
- LMC_CSR_WRITE(sc, csr_rxpoll, 0);
+ csr_write(sc, CSR_RXPOLL, 0);
/* Check for code that failed and try and fix it as appropriate */
if (sc->failed_ring == 1) {
@@ -678,8 +676,8 @@ static void lmc_watchdog(unsigned long data)
/* remember the timer value */
kick_timer:
- ticks = LMC_CSR_READ(sc, csr_gp_timer);
- LMC_CSR_WRITE(sc, csr_gp_timer, 0xffffffffUL);
+ ticks = csr_read(sc, CSR_GP_TIMER);
+ csr_write(sc, CSR_GP_TIMER, 0xffffffffUL);
sc->ictl.ticks = 0x0000ffff - (ticks & 0x0000ffff);
/* restart this timer. */
@@ -776,8 +774,6 @@ static int __devinit lmc_init_one(struct pci_dev *pdev,
dev_info(&pdev->dev, "%s = LMC %s\n", dev->name, sc->media->name);
- lmc_initcsrs(sc, dev->base_addr, 8);
-
lmc_gpio_mkinput(sc, 0xff);
sc->gpio = 0; /* drive no signals yet */
@@ -794,7 +790,7 @@ static int __devinit lmc_init_one(struct pci_dev *pdev,
dev_warn(&pdev->dev, "%s: Invalid model number (%d)",
dev->name, model);
- LMC_CSR_WRITE(sc, csr_gp_timer, 0xFFFFFFFFUL); /* reset clock */
+ csr_write(sc, CSR_GP_TIMER, 0xFFFFFFFFUL); /* reset clock */
sc->extra_stats.check = STATCHECK;
sc->extra_stats.version_size = (DRIVER_VERSION << 16) +
@@ -901,11 +897,11 @@ static int lmc_open(struct net_device *dev)
TULIP_STS_SYSERROR | TULIP_STS_TXSTOPPED |
TULIP_STS_TXUNDERFLOW | TULIP_STS_RXSTOPPED |
TULIP_STS_RXNOBUF);
- LMC_CSR_WRITE(sc, csr_intr, sc->intrmask);
+ csr_write(sc, CSR_INTR, sc->intrmask);
sc->cmdmode |= TULIP_CMD_TXRUN;
sc->cmdmode |= TULIP_CMD_RXRUN;
- LMC_CSR_WRITE(sc, csr_command, sc->cmdmode);
+ csr_write(sc, CSR_COMMAND, sc->cmdmode);
sc->ok = 1; /* Run watchdog */
@@ -935,7 +931,7 @@ static void lmc_running_reset(struct net_device *dev)
/* stop interrupts */
/* Clear the interrupt mask */
- LMC_CSR_WRITE(sc, csr_intr, 0x00000000);
+ csr_write(sc, CSR_INTR, 0x00000000);
lmc_dec_reset(sc);
lmc_reset(sc);
@@ -951,10 +947,10 @@ static void lmc_running_reset(struct net_device *dev)
sc->extra_stats.tx_tbusy0++;
sc->intrmask = TULIP_DEFAULT_INTR_MASK;
- LMC_CSR_WRITE(sc, csr_intr, sc->intrmask);
+ csr_write(sc, CSR_INTR, sc->intrmask);
sc->cmdmode |= (TULIP_CMD_TXRUN | TULIP_CMD_RXRUN);
- LMC_CSR_WRITE(sc, csr_command, sc->cmdmode);
+ csr_write(sc, CSR_COMMAND, sc->cmdmode);
lmc_trace(dev, "lmc_runnin_reset_out");
}
@@ -998,16 +994,16 @@ static int lmc_ifdown(struct net_device *dev)
/* stop interrupts */
/* Clear the interrupt mask */
- LMC_CSR_WRITE(sc, csr_intr, 0x00000000);
+ csr_write(sc, CSR_INTR, 0x00000000);
/* Stop Tx and Rx on the chip */
- csr6 = LMC_CSR_READ(sc, csr_command);
+ csr6 = csr_read(sc, CSR_COMMAND);
csr6 &= ~LMC_DEC_ST; /* Turn off the Transmission bit */
csr6 &= ~LMC_DEC_SR; /* Turn off the Receive bit */
- LMC_CSR_WRITE(sc, csr_command, csr6);
+ csr_write(sc, CSR_COMMAND, csr6);
sc->netdev->stats.rx_missed_errors +=
- LMC_CSR_READ(sc, csr_missed_frames) & 0xffff;
+ csr_read(sc, CSR_MISSED_FRAMES) & 0xFFFF;
/* release the interrupt */
if (sc->got_irq == 1) {
@@ -1062,7 +1058,7 @@ static irqreturn_t lmc_interrupt(int irq, void *dev_instance)
spin_lock(&sc->lock);
/* Read the csr to find what interrupts we have (if any) */
- csr = LMC_CSR_READ(sc, csr_status);
+ csr = csr_read(sc, CSR_STATUS);
/* Make sure this is our interrupt */
if (!(csr & sc->intrmask))
@@ -1075,7 +1071,7 @@ static irqreturn_t lmc_interrupt(int irq, void *dev_instance)
handled = 1;
/* Clear interrupt bits, we handle all case below */
- LMC_CSR_WRITE(sc, csr_status, csr);
+ csr_write(sc, CSR_STATUS, csr);
/*
* One of
@@ -1201,7 +1197,7 @@ static irqreturn_t lmc_interrupt(int irq, void *dev_instance)
/* Get current csr status to make sure we've cleared all
interrupts */
- csr = LMC_CSR_READ(sc, csr_status);
+ csr = csr_read(sc, CSR_STATUS);
} /* end interrupt loop */
lmc_int_fail_out:
@@ -1282,7 +1278,7 @@ static netdev_tx_t lmc_start_xmit(struct sk_buff *skb,
sc->txring[entry].status = 0x80000000;
/* send now! */
- LMC_CSR_WRITE(sc, csr_txpoll, 0);
+ csr_write(sc, CSR_TXPOLL, 0);
spin_unlock_irqrestore(&sc->lock, flags);
@@ -1486,7 +1482,7 @@ static struct net_device_stats *lmc_get_stats(struct net_device *dev)
spin_lock_irqsave(&sc->lock, flags);
sc->netdev->stats.rx_missed_errors +=
- LMC_CSR_READ(sc, csr_missed_frames) & 0xffff;
+ csr_read(sc, CSR_MISSED_FRAMES) & 0xFFFF;
spin_unlock_irqrestore(&sc->lock, flags);
@@ -1530,10 +1526,10 @@ unsigned lmc_mii_readreg(struct card * const sc, unsigned devaddr,
for (i = 15; i >= 0; i--) {
int dataval = (command & (1 << i)) ? 0x20000 : 0;
- LMC_CSR_WRITE(sc, csr_9, dataval);
+ csr_write(sc, CSR_SROM_MII, dataval);
lmc_delay();
/* __SLOW_DOWN_IO; */
- LMC_CSR_WRITE(sc, csr_9, dataval | 0x10000);
+ csr_write(sc, CSR_SROM_MII, dataval | 0x10000);
lmc_delay();
/* __SLOW_DOWN_IO; */
}
@@ -1541,12 +1537,12 @@ unsigned lmc_mii_readreg(struct card * const sc, unsigned devaddr,
lmc_trace(sc->netdev, "lmc_mii_readreg: done1");
for (i = 19; i > 0; i--) {
- LMC_CSR_WRITE(sc, csr_9, 0x40000);
+ csr_write(sc, CSR_SROM_MII, 0x40000);
lmc_delay();
/* __SLOW_DOWN_IO; */
- retval = (retval << 1) |
- ((LMC_CSR_READ(sc, csr_9) & 0x80000) ? 1 : 0);
- LMC_CSR_WRITE(sc, csr_9, 0x40000 | 0x10000);
+ retval <<= 1;
+ retval |= !!(csr_read(sc, CSR_SROM_MII) & 0x80000);
+ csr_write(sc, CSR_SROM_MII, 0x40000 | 0x10000);
lmc_delay();
/* __SLOW_DOWN_IO; */
}
@@ -1575,10 +1571,10 @@ void lmc_mii_writereg(struct card * const sc, unsigned devaddr, unsigned regno,
else
datav = 0x00000;
- LMC_CSR_WRITE(sc, csr_9, datav);
+ csr_write(sc, CSR_SROM_MII, datav);
lmc_delay();
/* __SLOW_DOWN_IO; */
- LMC_CSR_WRITE(sc, csr_9, (datav | 0x10000));
+ csr_write(sc, CSR_SROM_MII, (datav | 0x10000));
lmc_delay();
/* __SLOW_DOWN_IO; */
i--;
@@ -1586,10 +1582,10 @@ void lmc_mii_writereg(struct card * const sc, unsigned devaddr, unsigned regno,
i = 2;
while (i > 0) {
- LMC_CSR_WRITE(sc, csr_9, 0x40000);
+ csr_write(sc, CSR_SROM_MII, 0x40000);
lmc_delay();
/* __SLOW_DOWN_IO; */
- LMC_CSR_WRITE(sc, csr_9, 0x50000);
+ csr_write(sc, CSR_SROM_MII, 0x50000);
lmc_delay();
/* __SLOW_DOWN_IO; */
i--;
@@ -1658,7 +1654,7 @@ static void lmc_softreset(struct card * const sc)
sc->rxring[i - 1].buffer2 = virt_to_bus(&sc->rxring[0]);
}
/* write base address */
- LMC_CSR_WRITE(sc, csr_rxlist, virt_to_bus(sc->rxring));
+ csr_write(sc, CSR_RXLIST, virt_to_bus(sc->rxring));
/* Initialize the transmit rings and buffers */
for (i = 0; i < LMC_TXDESCS; i++) {
@@ -1672,7 +1668,7 @@ static void lmc_softreset(struct card * const sc)
sc->txring[i].buffer2 = virt_to_bus(&sc->txring[i + 1]);
}
sc->txring[i - 1].buffer2 = virt_to_bus(&sc->txring[0]);
- LMC_CSR_WRITE(sc, csr_txlist, virt_to_bus(sc->txring));
+ csr_write(sc, CSR_TXLIST, virt_to_bus(sc->txring));
lmc_trace(sc->netdev, "lmc_softreset out");
}
@@ -1681,7 +1677,7 @@ void lmc_gpio_mkinput(struct card * const sc, u32 bits)
{
lmc_trace(sc->netdev, "lmc_gpio_mkinput in");
sc->gpio_io &= ~bits;
- LMC_CSR_WRITE(sc, csr_gp, TULIP_GP_PINSET | (sc->gpio_io));
+ csr_write(sc, CSR_GPIO, TULIP_GP_PINSET | (sc->gpio_io));
lmc_trace(sc->netdev, "lmc_gpio_mkinput out");
}
@@ -1689,7 +1685,7 @@ void lmc_gpio_mkoutput(struct card * const sc, u32 bits)
{
lmc_trace(sc->netdev, "lmc_gpio_mkoutput in");
sc->gpio_io |= bits;
- LMC_CSR_WRITE(sc, csr_gp, TULIP_GP_PINSET | (sc->gpio_io));
+ csr_write(sc, CSR_GPIO, TULIP_GP_PINSET | (sc->gpio_io));
lmc_trace(sc->netdev, "lmc_gpio_mkoutput out");
}
@@ -1734,7 +1730,7 @@ static void lmc_reset(struct card * const sc)
/* RESET low to force state reset. This also forces the transmitter
clock to be internal, but we expect to reset that later anyway. */
sc->gpio &= ~(LMC_GEP_RESET);
- LMC_CSR_WRITE(sc, csr_gp, sc->gpio);
+ csr_write(sc, CSR_GPIO, sc->gpio);
/* hold for more than 10 microseconds */
udelay(50);
@@ -1756,20 +1752,20 @@ static void lmc_dec_reset(struct card * const sc)
/* disable all interrupts */
sc->intrmask = 0;
- LMC_CSR_WRITE(sc, csr_intr, sc->intrmask);
+ csr_write(sc, CSR_INTR, sc->intrmask);
/* Reset the chip with a software reset command. Wait 10 microseconds
(actually 50 PCI cycles but at 33MHz that comes to two microseconds
but wait a bit longer anyways) */
- LMC_CSR_WRITE(sc, csr_busmode, TULIP_BUSMODE_SWRESET);
+ csr_write(sc, CSR_BUSMODE, TULIP_BUSMODE_SWRESET);
udelay(25);
#ifdef __sparc__
- sc->busmode = LMC_CSR_READ(sc, csr_busmode);
+ sc->busmode = csr_read(sc, CSR_BUSMODE);
sc->busmode = 0x00100000;
sc->busmode &= ~TULIP_BUSMODE_SWRESET;
- LMC_CSR_WRITE(sc, csr_busmode, sc->busmode);
+ csr_write(sc, CSR_BUSMODE, sc->busmode);
#endif
- sc->cmdmode = LMC_CSR_READ(sc, csr_command);
+ sc->cmdmode = csr_read(sc, CSR_COMMAND);
/*
* We want:
@@ -1788,39 +1784,16 @@ static void lmc_dec_reset(struct card * const sc)
sc->cmdmode &= ~(TULIP_CMD_OPERMODE | TULIP_CMD_THRESHOLDCTL |
TULIP_CMD_STOREFWD | TULIP_CMD_TXTHRSHLDCTL);
- LMC_CSR_WRITE(sc, csr_command, sc->cmdmode);
+ csr_write(sc, CSR_COMMAND, sc->cmdmode);
/* disable receiver watchdog and transmit jabber */
- val = LMC_CSR_READ(sc, csr_sia_general);
+ val = csr_read(sc, CSR_WATCHDOG);
val |= (TULIP_WATCHDOG_TXDISABLE | TULIP_WATCHDOG_RXDISABLE);
- LMC_CSR_WRITE(sc, csr_sia_general, val);
+ csr_write(sc, CSR_WATCHDOG, val);
lmc_trace(sc->netdev, "lmc_dec_reset out");
}
-static void lmc_initcsrs(struct card * const sc, lmc_csrptr_t csr_base,
- size_t csr_size)
-{
- lmc_trace(sc->netdev, "lmc_initcsrs in");
- sc->csrs.csr_busmode = csr_base + 0 * csr_size;
- sc->csrs.csr_txpoll = csr_base + 1 * csr_size;
- sc->csrs.csr_rxpoll = csr_base + 2 * csr_size;
- sc->csrs.csr_rxlist = csr_base + 3 * csr_size;
- sc->csrs.csr_txlist = csr_base + 4 * csr_size;
- sc->csrs.csr_status = csr_base + 5 * csr_size;
- sc->csrs.csr_command = csr_base + 6 * csr_size;
- sc->csrs.csr_intr = csr_base + 7 * csr_size;
- sc->csrs.csr_missed_frames = csr_base + 8 * csr_size;
- sc->csrs.csr_9 = csr_base + 9 * csr_size;
- sc->csrs.csr_10 = csr_base + 10 * csr_size;
- sc->csrs.csr_11 = csr_base + 11 * csr_size;
- sc->csrs.csr_12 = csr_base + 12 * csr_size;
- sc->csrs.csr_13 = csr_base + 13 * csr_size;
- sc->csrs.csr_14 = csr_base + 14 * csr_size;
- sc->csrs.csr_15 = csr_base + 15 * csr_size;
- lmc_trace(sc->netdev, "lmc_initcsrs out");
-}
-
static void lmc_driver_timeout(struct net_device *dev)
{
struct card *sc = dev_to_sc(dev);
@@ -1843,12 +1816,12 @@ static void lmc_driver_timeout(struct net_device *dev)
lmc_running_reset(dev);
/* restart the tx processes */
- csr6 = LMC_CSR_READ(sc, csr_command);
- LMC_CSR_WRITE(sc, csr_command, csr6 | 0x0002);
- LMC_CSR_WRITE(sc, csr_command, csr6 | 0x2002);
+ csr6 = csr_read(sc, CSR_COMMAND);
+ csr_write(sc, CSR_COMMAND, csr6 | 0x0002);
+ csr_write(sc, CSR_COMMAND, csr6 | 0x2002);
/* immediate transmit */
- LMC_CSR_WRITE(sc, csr_txpoll, 0);
+ csr_write(sc, CSR_TXPOLL, 0);
sc->netdev->stats.tx_errors++;
sc->extra_stats.tx_ProcTimeout++;
diff --git a/drivers/net/wan/lmc/media.c b/drivers/net/wan/lmc/media.c
index b9fadb4..cad17be 100644
--- a/drivers/net/wan/lmc/media.c
+++ b/drivers/net/wan/lmc/media.c
@@ -46,15 +46,15 @@ static inline void write_av9110_bit(struct card *sc, int c)
sc->gpio |= LMC_GEP_DATA;
else
sc->gpio &= ~(LMC_GEP_DATA);
- LMC_CSR_WRITE(sc, csr_gp, sc->gpio);
+ csr_write(sc, CSR_GPIO, sc->gpio);
/* set the clock to high */
sc->gpio |= LMC_GEP_CLK;
- LMC_CSR_WRITE(sc, csr_gp, sc->gpio);
+ csr_write(sc, CSR_GPIO, sc->gpio);
/* set the clock to low again. */
sc->gpio &= ~(LMC_GEP_CLK);
- LMC_CSR_WRITE(sc, csr_gp, sc->gpio);
+ csr_write(sc, CSR_GPIO, sc->gpio);
}
static void write_av9110(struct card *sc, u32 n, u32 m, u32 v, u32 x, u32 r)
@@ -68,14 +68,14 @@ static void write_av9110(struct card *sc, u32 n, u32 m, u32 v, u32 x, u32 r)
sc->gpio |= LMC_GEP_SSI_GENERATOR;
sc->gpio &= ~(LMC_GEP_DATA | LMC_GEP_CLK);
- LMC_CSR_WRITE(sc, csr_gp, sc->gpio);
+ csr_write(sc, CSR_GPIO, sc->gpio);
/* Set the TXCLOCK, GENERATOR, SERIAL, and SERIALCLK as outputs. */
lmc_gpio_mkoutput(sc, (LMC_GEP_DATA | LMC_GEP_CLK
| LMC_GEP_SSI_GENERATOR));
sc->gpio &= ~(LMC_GEP_SSI_GENERATOR);
- LMC_CSR_WRITE(sc, csr_gp, sc->gpio);
+ csr_write(sc, CSR_GPIO, sc->gpio);
/* a shifting we will go... */
for (i = 0; i < 7; i++)
@@ -118,14 +118,14 @@ static void lmc_ssi_set_clock(struct card * const sc, int ie)
old = ie;
if (ie == LMC_CTL_CLOCK_SOURCE_EXT) {
sc->gpio &= ~(LMC_GEP_SSI_TXCLOCK);
- LMC_CSR_WRITE(sc, csr_gp, sc->gpio);
+ csr_write(sc, CSR_GPIO, sc->gpio);
sc->ictl.clock_source = LMC_CTL_CLOCK_SOURCE_EXT;
if (ie != old)
printk(LMC_PRINTF_FMT ": clock external\n",
LMC_PRINTF_ARGS);
} else {
sc->gpio |= LMC_GEP_SSI_TXCLOCK;
- LMC_CSR_WRITE(sc, csr_gp, sc->gpio);
+ csr_write(sc, CSR_GPIO, sc->gpio);
sc->ictl.clock_source = LMC_CTL_CLOCK_SOURCE_INT;
if (ie != old)
printk(LMC_PRINTF_FMT ": clock internal\n",
@@ -217,7 +217,7 @@ static int lmc_ssi_get_link_status(struct card * const sc)
link_status = lmc_mii_readreg(sc, 0, 16);
/* Is the transmit clock still available */
- ticks = LMC_CSR_READ(sc, csr_gp_timer);
+ ticks = csr_read(sc, CSR_GP_TIMER);
ticks = 0x0000ffff - (ticks & 0x0000ffff);
lmc_led_on(sc, LMC_MII16_LED0);
@@ -347,14 +347,14 @@ static void lmc_hssi_set_clock(struct card * const sc, int ie)
old = sc->ictl.clock_source;
if (ie == LMC_CTL_CLOCK_SOURCE_EXT) {
sc->gpio |= LMC_GEP_HSSI_CLOCK;
- LMC_CSR_WRITE(sc, csr_gp, sc->gpio);
+ csr_write(sc, CSR_GPIO, sc->gpio);
sc->ictl.clock_source = LMC_CTL_CLOCK_SOURCE_EXT;
if (old != ie)
printk(LMC_PRINTF_FMT ": clock external\n",
LMC_PRINTF_ARGS);
} else {
sc->gpio &= ~LMC_GEP_HSSI_CLOCK;
- LMC_CSR_WRITE(sc, csr_gp, sc->gpio);
+ csr_write(sc, CSR_GPIO, sc->gpio);
sc->ictl.clock_source = LMC_CTL_CLOCK_SOURCE_INT;
if (old != ie)
printk(LMC_PRINTF_FMT ": clock internal\n",
@@ -864,14 +864,14 @@ static void lmc_t1_set_clock(struct card * const sc, int ie)
old = ie;
if (ie == LMC_CTL_CLOCK_SOURCE_EXT) {
sc->gpio &= ~(LMC_GEP_SSI_TXCLOCK);
- LMC_CSR_WRITE(sc, csr_gp, sc->gpio);
+ csr_write(sc, CSR_GPIO, sc->gpio);
sc->ictl.clock_source = LMC_CTL_CLOCK_SOURCE_EXT;
if (old != ie)
printk(LMC_PRINTF_FMT ": clock external\n",
LMC_PRINTF_ARGS);
} else {
sc->gpio |= LMC_GEP_SSI_TXCLOCK;
- LMC_CSR_WRITE(sc, csr_gp, sc->gpio);
+ csr_write(sc, CSR_GPIO, sc->gpio);
sc->ictl.clock_source = LMC_CTL_CLOCK_SOURCE_INT;
if (old != ie)
printk(LMC_PRINTF_FMT ": clock internal\n",
diff --git a/drivers/net/wan/lmc/var.h b/drivers/net/wan/lmc/var.h
index f62f9a1..582f00e 100644
--- a/drivers/net/wan/lmc/var.h
+++ b/drivers/net/wan/lmc/var.h
@@ -32,56 +32,36 @@
#define LMC_LINK_UP 1
#define LMC_LINK_DOWN 0
-/* These macros for generic read and write to and from the dec chip */
-#define LMC_CSR_READ(sc, csr) inl((sc)->csrs.csr)
-#define LMC_CSR_WRITE(sc, reg, val) outl((val), (sc)->csrs.reg)
-
-#define lmc_delay() inl(sc->csrs.csr_9)
-
/* This macro sync's up with the mii so that reads and writes can take place */
-#define LMC_MII_SYNC(sc) \
- do { \
- int n = 32; \
- while (n >= 0) { \
- LMC_CSR_WRITE((sc), csr_9, 0x20000); \
- lmc_delay(); \
- LMC_CSR_WRITE((sc), csr_9, 0x30000); \
- lmc_delay(); \
- n--; \
- } \
+#define LMC_MII_SYNC(sc) \
+ do { \
+ int n = 32; \
+ while (n >= 0) { \
+ csr_write((sc), CSR_SROM_MII, 0x20000); \
+ lmc_delay(); \
+ csr_write((sc), CSR_SROM_MII, 0x30000); \
+ lmc_delay(); \
+ n--; \
+ } \
} while (0)
-struct lmc_regfile_t {
- lmc_csrptr_t csr_busmode; /* CSR0 */
- lmc_csrptr_t csr_txpoll; /* CSR1 */
- lmc_csrptr_t csr_rxpoll; /* CSR2 */
- lmc_csrptr_t csr_rxlist; /* CSR3 */
- lmc_csrptr_t csr_txlist; /* CSR4 */
- lmc_csrptr_t csr_status; /* CSR5 */
- lmc_csrptr_t csr_command; /* CSR6 */
- lmc_csrptr_t csr_intr; /* CSR7 */
- lmc_csrptr_t csr_missed_frames; /* CSR8 */
- lmc_csrptr_t csr_9; /* CSR9 */
- lmc_csrptr_t csr_10; /* CSR10 */
- lmc_csrptr_t csr_11; /* CSR11 */
- lmc_csrptr_t csr_12; /* CSR12 */
- lmc_csrptr_t csr_13; /* CSR13 */
- lmc_csrptr_t csr_14; /* CSR14 */
- lmc_csrptr_t csr_15; /* CSR15 */
-};
-
-#define csr_enetrom csr_9 /* 21040 */
-#define csr_reserved csr_10 /* 21040 */
-#define csr_full_duplex csr_11 /* 21040 */
-#define csr_bootrom csr_10 /* 21041/21140A/?? */
-#define csr_gp csr_12 /* 21140* */
-#define csr_watchdog csr_15 /* 21140* */
-#define csr_gp_timer csr_11 /* 21041/21140* */
-#define csr_srom_mii csr_9 /* 21041/21140* */
-#define csr_sia_status csr_12 /* 2104x */
-#define csr_sia_connectivity csr_13 /* 2104x */
-#define csr_sia_tx_rx csr_14 /* 2104x */
-#define csr_sia_general csr_15 /* 2104x */
+/* DC21140 CSRs */
+#define CSR_BUSMODE 0
+#define CSR_TXPOLL 1
+#define CSR_RXPOLL 2
+#define CSR_RXLIST 3
+#define CSR_TXLIST 4
+#define CSR_STATUS 5
+#define CSR_COMMAND 6 /* operation mode */
+#define CSR_INTR 7
+#define CSR_MISSED_FRAMES 8
+#define CSR_SROM_MII 9
+/* #define CSR_RESERVED 10 */
+#define CSR_GP_TIMER 11
+#define CSR_GPIO 12
+/* #define CSR_RESERVED 13 */
+/* #define CSR_RESERVED 14 */
+#define CSR_WATCHDOG 15
/* tulip length/control transmit descriptor definitions used to define bits
in the second tulip_desc_t field (length) for the transmit descriptor */
@@ -270,10 +250,8 @@ typedef struct lmc_xinfo {
struct card {
struct lmc_extra_statistics extra_stats;
struct net_device *netdev;
-
- struct lmc_regfile_t csrs;
- u32 intrmask; /* our copy of csr_intr */
- u32 cmdmode; /* our copy of csr_cmdmode */
+ u32 intrmask; /* our copy of CSR_INTR */
+ u32 cmdmode; /* our copy of CSR_COMMAND */
u32 gpio_io; /* state of in/out settings */
u32 gpio; /* state of outputs */
struct sk_buff *txq[LMC_TXDESCS];
@@ -421,6 +399,19 @@ static inline void lmc_trace(struct net_device *dev, char *msg)
#endif
}
+/* These macros for generic read and write to and from the dec chip */
+static inline u32 csr_read(struct card *sc, int csr)
+{
+ return inl(sc->netdev->base_addr + 8 * csr);
+}
+
+static inline void csr_write(struct card *sc, int csr, u32 val)
+{
+ outl(val, sc->netdev->base_addr + 8 * csr);
+}
+
+#define lmc_delay() csr_read(sc, CSR_SROM_MII);
+
void lmc_led_on(struct card * const, u32);
void lmc_led_off(struct card * const, u32);
--
1.7.1.1
--
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