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-rw-r--r--drivers/net/smc91x.c94
-rw-r--r--drivers/net/smc91x.h76
2 files changed, 88 insertions, 82 deletions
diff --git a/drivers/net/smc91x.c b/drivers/net/smc91x.c
index f2051b209da2..2040965d7724 100644
--- a/drivers/net/smc91x.c
+++ b/drivers/net/smc91x.c
@@ -308,7 +308,7 @@ static void smc_reset(struct net_device *dev)
* can't handle it then there will be no recovery except for
* a hard reset or power cycle
*/
- if (nowait)
+ if (lp->cfg.flags & SMC91X_NOWAIT)
cfg |= CONFIG_NO_WAIT;
/*
@@ -1939,8 +1939,11 @@ static int __init smc_probe(struct net_device *dev, void __iomem *ioaddr,
if (retval)
goto err_out;
-#ifdef SMC_USE_PXA_DMA
- {
+#ifdef CONFIG_ARCH_PXA
+# ifdef SMC_USE_PXA_DMA
+ lp->cfg.flags |= SMC91X_USE_DMA;
+# endif
+ if (lp->cfg.flags & SMC91X_USE_DMA) {
int dma = pxa_request_dma(dev->name, DMA_PRIO_LOW,
smc_pxa_dma_irq, NULL);
if (dma >= 0)
@@ -1980,7 +1983,7 @@ static int __init smc_probe(struct net_device *dev, void __iomem *ioaddr,
}
err_out:
-#ifdef SMC_USE_PXA_DMA
+#ifdef CONFIG_ARCH_PXA
if (retval && dev->dma != (unsigned char)-1)
pxa_free_dma(dev->dma);
#endif
@@ -2050,9 +2053,11 @@ static int smc_enable_device(struct platform_device *pdev)
return 0;
}
-static int smc_request_attrib(struct platform_device *pdev)
+static int smc_request_attrib(struct platform_device *pdev,
+ struct net_device *ndev)
{
struct resource * res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "smc91x-attrib");
+ struct smc_local *lp = netdev_priv(ndev);
if (!res)
return 0;
@@ -2063,9 +2068,11 @@ static int smc_request_attrib(struct platform_device *pdev)
return 0;
}
-static void smc_release_attrib(struct platform_device *pdev)
+static void smc_release_attrib(struct platform_device *pdev,
+ struct net_device *ndev)
{
struct resource * res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "smc91x-attrib");
+ struct smc_local *lp = netdev_priv(ndev);
if (res)
release_mem_region(res->start, ATTRIB_SIZE);
@@ -2123,27 +2130,14 @@ static int smc_drv_probe(struct platform_device *pdev)
struct net_device *ndev;
struct resource *res, *ires;
unsigned int __iomem *addr;
+ unsigned long irq_flags = SMC_IRQ_FLAGS;
int ret;
- res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "smc91x-regs");
- if (!res)
- res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
- if (!res) {
- ret = -ENODEV;
- goto out;
- }
-
-
- if (!request_mem_region(res->start, SMC_IO_EXTENT, CARDNAME)) {
- ret = -EBUSY;
- goto out;
- }
-
ndev = alloc_etherdev(sizeof(struct smc_local));
if (!ndev) {
printk("%s: could not allocate device.\n", CARDNAME);
ret = -ENOMEM;
- goto out_release_io;
+ goto out;
}
SET_NETDEV_DEV(ndev, &pdev->dev);
@@ -2152,37 +2146,47 @@ static int smc_drv_probe(struct platform_device *pdev)
*/
lp = netdev_priv(ndev);
- lp->cfg.irq_flags = SMC_IRQ_FLAGS;
-#ifdef SMC_DYNAMIC_BUS_CONFIG
- if (pd)
+ if (pd) {
memcpy(&lp->cfg, pd, sizeof(lp->cfg));
- else {
- lp->cfg.flags = SMC91X_USE_8BIT;
- lp->cfg.flags |= SMC91X_USE_16BIT;
- lp->cfg.flags |= SMC91X_USE_32BIT;
+ lp->io_shift = SMC91X_IO_SHIFT(lp->cfg.flags);
+ } else {
+ lp->cfg.flags |= (SMC_CAN_USE_8BIT) ? SMC91X_USE_8BIT : 0;
+ lp->cfg.flags |= (SMC_CAN_USE_16BIT) ? SMC91X_USE_16BIT : 0;
+ lp->cfg.flags |= (SMC_CAN_USE_32BIT) ? SMC91X_USE_32BIT : 0;
+ lp->cfg.flags |= (nowait) ? SMC91X_NOWAIT : 0;
}
- lp->cfg.flags &= ~(SMC_CAN_USE_8BIT ? 0 : SMC91X_USE_8BIT);
- lp->cfg.flags &= ~(SMC_CAN_USE_16BIT ? 0 : SMC91X_USE_16BIT);
- lp->cfg.flags &= ~(SMC_CAN_USE_32BIT ? 0 : SMC91X_USE_32BIT);
-#endif
-
ndev->dma = (unsigned char)-1;
+ res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "smc91x-regs");
+ if (!res)
+ res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+ if (!res) {
+ ret = -ENODEV;
+ goto out_free_netdev;
+ }
+
+
+ if (!request_mem_region(res->start, SMC_IO_EXTENT, CARDNAME)) {
+ ret = -EBUSY;
+ goto out_free_netdev;
+ }
+
ires = platform_get_resource(pdev, IORESOURCE_IRQ, 0);
if (!ires) {
ret = -ENODEV;
- goto out_free_netdev;
+ goto out_release_io;
}
ndev->irq = ires->start;
- if (SMC_IRQ_FLAGS == -1)
- lp->cfg.irq_flags = ires->flags & IRQF_TRIGGER_MASK;
- ret = smc_request_attrib(pdev);
+ if (ires->flags & IRQF_TRIGGER_MASK)
+ irq_flags = ires->flags & IRQF_TRIGGER_MASK;
+
+ ret = smc_request_attrib(pdev, ndev);
if (ret)
- goto out_free_netdev;
+ goto out_release_io;
#if defined(CONFIG_SA1100_ASSABET)
NCR_0 |= NCR_ENET_OSC_EN;
#endif
@@ -2197,7 +2201,7 @@ static int smc_drv_probe(struct platform_device *pdev)
goto out_release_attrib;
}
-#ifdef SMC_USE_PXA_DMA
+#ifdef CONFIG_ARCH_PXA
{
struct smc_local *lp = netdev_priv(ndev);
lp->device = &pdev->dev;
@@ -2205,7 +2209,7 @@ static int smc_drv_probe(struct platform_device *pdev)
}
#endif
- ret = smc_probe(ndev, addr, lp->cfg.irq_flags);
+ ret = smc_probe(ndev, addr, irq_flags);
if (ret != 0)
goto out_iounmap;
@@ -2217,11 +2221,11 @@ static int smc_drv_probe(struct platform_device *pdev)
platform_set_drvdata(pdev, NULL);
iounmap(addr);
out_release_attrib:
- smc_release_attrib(pdev);
- out_free_netdev:
- free_netdev(ndev);
+ smc_release_attrib(pdev, ndev);
out_release_io:
release_mem_region(res->start, SMC_IO_EXTENT);
+ out_free_netdev:
+ free_netdev(ndev);
out:
printk("%s: not found (%d).\n", CARDNAME, ret);
@@ -2240,14 +2244,14 @@ static int smc_drv_remove(struct platform_device *pdev)
free_irq(ndev->irq, ndev);
-#ifdef SMC_USE_PXA_DMA
+#ifdef CONFIG_ARCH_PXA
if (ndev->dma != (unsigned char)-1)
pxa_free_dma(ndev->dma);
#endif
iounmap(lp->base);
smc_release_datacs(pdev,ndev);
- smc_release_attrib(pdev);
+ smc_release_attrib(pdev,ndev);
res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "smc91x-regs");
if (!res)
diff --git a/drivers/net/smc91x.h b/drivers/net/smc91x.h
index 8606818653f8..22209b6f1405 100644
--- a/drivers/net/smc91x.h
+++ b/drivers/net/smc91x.h
@@ -40,23 +40,46 @@
* Define your architecture specific bus configuration parameters here.
*/
-#if defined(CONFIG_ARCH_LUBBOCK)
+#if defined(CONFIG_ARCH_LUBBOCK) ||\
+ defined(CONFIG_MACH_MAINSTONE) ||\
+ defined(CONFIG_MACH_ZYLONITE) ||\
+ defined(CONFIG_MACH_LITTLETON)
-/* We can only do 16-bit reads and writes in the static memory space. */
-#define SMC_CAN_USE_8BIT 0
+#include <asm/mach-types.h>
+
+/* Now the bus width is specified in the platform data
+ * pretend here to support all I/O access types
+ */
+#define SMC_CAN_USE_8BIT 1
#define SMC_CAN_USE_16BIT 1
-#define SMC_CAN_USE_32BIT 0
+#define SMC_CAN_USE_32BIT 1
#define SMC_NOWAIT 1
-/* The first two address lines aren't connected... */
-#define SMC_IO_SHIFT 2
+#define SMC_IO_SHIFT (lp->io_shift)
+#define SMC_inb(a, r) readb((a) + (r))
#define SMC_inw(a, r) readw((a) + (r))
-#define SMC_outw(v, a, r) writew(v, (a) + (r))
+#define SMC_inl(a, r) readl((a) + (r))
+#define SMC_outb(v, a, r) writeb(v, (a) + (r))
+#define SMC_outl(v, a, r) writel(v, (a) + (r))
#define SMC_insw(a, r, p, l) readsw((a) + (r), p, l)
#define SMC_outsw(a, r, p, l) writesw((a) + (r), p, l)
+#define SMC_insl(a, r, p, l) readsl((a) + (r), p, l)
+#define SMC_outsl(a, r, p, l) writesl((a) + (r), p, l)
#define SMC_IRQ_FLAGS (-1) /* from resource */
+/* We actually can't write halfwords properly if not word aligned */
+static inline void SMC_outw(u16 val, void __iomem *ioaddr, int reg)
+{
+ if (machine_is_mainstone() && reg & 2) {
+ unsigned int v = val << 16;
+ v |= readl(ioaddr + (reg & ~2)) & 0xffff;
+ writel(v, ioaddr + (reg & ~2));
+ } else {
+ writew(val, ioaddr + reg);
+ }
+}
+
#elif defined(CONFIG_BLACKFIN)
#define SMC_IRQ_FLAGS IRQF_TRIGGER_HIGH
@@ -195,7 +218,6 @@
#define SMC_outsw(a, r, p, l) writesw((a) + (r), p, l)
#elif defined(CONFIG_ARCH_INNOKOM) || \
- defined(CONFIG_MACH_MAINSTONE) || \
defined(CONFIG_ARCH_PXA_IDP) || \
defined(CONFIG_ARCH_RAMSES) || \
defined(CONFIG_ARCH_PCM027)
@@ -229,22 +251,6 @@ SMC_outw(u16 val, void __iomem *ioaddr, int reg)
}
}
-#elif defined(CONFIG_MACH_ZYLONITE)
-
-#define SMC_CAN_USE_8BIT 1
-#define SMC_CAN_USE_16BIT 1
-#define SMC_CAN_USE_32BIT 0
-#define SMC_IO_SHIFT 0
-#define SMC_NOWAIT 1
-#define SMC_USE_PXA_DMA 1
-#define SMC_inb(a, r) readb((a) + (r))
-#define SMC_inw(a, r) readw((a) + (r))
-#define SMC_insw(a, r, p, l) insw((a) + (r), p, l)
-#define SMC_outsw(a, r, p, l) outsw((a) + (r), p, l)
-#define SMC_outb(v, a, r) writeb(v, (a) + (r))
-#define SMC_outw(v, a, r) writew(v, (a) + (r))
-#define SMC_IRQ_FLAGS (-1) /* from resource */
-
#elif defined(CONFIG_ARCH_OMAP)
/* We can only do 16-bit reads and writes in the static memory space. */
@@ -454,7 +460,6 @@ static inline void LPD7_SMC_outsw (unsigned char* a, int r,
#define RPC_LSA_DEFAULT RPC_LED_100_10
#define RPC_LSB_DEFAULT RPC_LED_TX_RX
-#define SMC_DYNAMIC_BUS_CONFIG
#endif
@@ -493,7 +498,7 @@ struct smc_local {
spinlock_t lock;
-#ifdef SMC_USE_PXA_DMA
+#ifdef CONFIG_ARCH_PXA
/* DMA needs the physical address of the chip */
u_long physaddr;
struct device *device;
@@ -501,20 +506,17 @@ struct smc_local {
void __iomem *base;
void __iomem *datacs;
+ /* the low address lines on some platforms aren't connected... */
+ int io_shift;
+
struct smc91x_platdata cfg;
};
-#ifdef SMC_DYNAMIC_BUS_CONFIG
-#define SMC_8BIT(p) (((p)->cfg.flags & SMC91X_USE_8BIT) && SMC_CAN_USE_8BIT)
-#define SMC_16BIT(p) (((p)->cfg.flags & SMC91X_USE_16BIT) && SMC_CAN_USE_16BIT)
-#define SMC_32BIT(p) (((p)->cfg.flags & SMC91X_USE_32BIT) && SMC_CAN_USE_32BIT)
-#else
-#define SMC_8BIT(p) SMC_CAN_USE_8BIT
-#define SMC_16BIT(p) SMC_CAN_USE_16BIT
-#define SMC_32BIT(p) SMC_CAN_USE_32BIT
-#endif
+#define SMC_8BIT(p) ((p)->cfg.flags & SMC91X_USE_8BIT)
+#define SMC_16BIT(p) ((p)->cfg.flags & SMC91X_USE_16BIT)
+#define SMC_32BIT(p) ((p)->cfg.flags & SMC91X_USE_32BIT)
-#ifdef SMC_USE_PXA_DMA
+#ifdef CONFIG_ARCH_PXA
/*
* Let's use the DMA engine on the XScale PXA2xx for RX packets. This is
* always happening in irq context so no need to worry about races. TX is
@@ -608,7 +610,7 @@ smc_pxa_dma_irq(int dma, void *dummy)
{
DCSR(dma) = 0;
}
-#endif /* SMC_USE_PXA_DMA */
+#endif /* CONFIG_ARCH_PXA */
/*
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-28 15:55:34 +0100