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patch the tulip driver to accept a platform variant

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Isolate the PCI specific parts and group them under CONFIG_TULIP_PCI
CONFIG_TULIP_PLATFORM can be enabled for a platform style Tulip driver.

Signed-off-by: Florian Fainelli <florian@openwrt.org>

SVN-Revision: 34557
master
Florian Fainelli 12 years ago
parent b1f1381c27
commit 445e77fdb5
4 changed files with 869 additions and 1 deletions
Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL
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  1. 11
      target/linux/adm8668/config-3.3
  2. 1
      target/linux/adm8668/files/arch/mips/adm8668/Makefile
  3. 407
      target/linux/adm8668/patches-3.3/004-tulip_pci_split.patch
  4. 451
      target/linux/adm8668/patches-3.3/005-tulip_platform.patch

11
target/linux/adm8668/config-3.3
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@ -20,7 +20,10 @@ CONFIG_CPU_SUPPORTS_32BIT_KERNEL=y
CONFIG_CPU_SUPPORTS_HIGHMEM=y
CONFIG_CSRC_R4K=y
CONFIG_CSRC_R4K_LIB=y
# CONFIG_DE2104X is not set
# CONFIG_DE4X5 is not set
CONFIG_DECOMPRESS_LZMA=y
# CONFIG_DM9102 is not set
CONFIG_DMA_NONCOHERENT=y
CONFIG_EARLY_PRINTK=y
CONFIG_EEPROM_93CX6=m
@ -64,6 +67,7 @@ CONFIG_MTD_ADM8668_PARTS=y
CONFIG_MTD_PHYSMAP=y
CONFIG_NEED_DMA_MAP_STATE=y
CONFIG_NEED_PER_CPU_KM=y
CONFIG_NET_TULIP=y
CONFIG_NO_EXCEPT_FILL=y
CONFIG_NO_GENERIC_PCI_IOPORT_MAP=y
CONFIG_PAGEFLAGS_EXTENDED=y
@ -84,4 +88,11 @@ CONFIG_SYS_HAS_EARLY_PRINTK=y
CONFIG_SYS_SUPPORTS_32BIT_KERNEL=y
CONFIG_SYS_SUPPORTS_ARBIT_HZ=y
CONFIG_SYS_SUPPORTS_LITTLE_ENDIAN=y
CONFIG_TULIP=y
CONFIG_TULIP_NAPI=y
# CONFIG_TULIP_NAPI_HW_MITIGATION is not set
# CONFIG_TULIP_PCI is not set
CONFIG_TULIP_PLATFORM=y
# CONFIG_ULI526X is not set
# CONFIG_WINBOND_840 is not set
CONFIG_ZONE_DMA_FLAG=0

1
target/linux/adm8668/files/arch/mips/adm8668/Makefile
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@ -4,4 +4,3 @@
obj-y := irq.o prom.o platform.o proc.o \
setup.o clock.o time.o early_printk.o \
net_core.o net_intr.o

407
target/linux/adm8668/patches-3.3/004-tulip_pci_split.patch
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@ -0,0 +1,407 @@
--- a/drivers/net/ethernet/dec/tulip/tulip_core.c
+++ b/drivers/net/ethernet/dec/tulip/tulip_core.c
@@ -206,7 +206,7 @@ struct tulip_chip_table tulip_tbl[] = {
};
-
+#ifdef CONFIG_TULIP_PCI
static DEFINE_PCI_DEVICE_TABLE(tulip_pci_tbl) = {
{ 0x1011, 0x0009, PCI_ANY_ID, PCI_ANY_ID, 0, 0, DC21140 },
{ 0x1011, 0x0019, PCI_ANY_ID, PCI_ANY_ID, 0, 0, DC21143 },
@@ -250,7 +250,7 @@ static DEFINE_PCI_DEVICE_TABLE(tulip_pci
{ } /* terminate list */
};
MODULE_DEVICE_TABLE(pci, tulip_pci_tbl);
-
+#endif
/* A full-duplex map for media types. */
const char tulip_media_cap[32] =
@@ -268,11 +268,14 @@ static void tulip_down(struct net_device
static struct net_device_stats *tulip_get_stats(struct net_device *dev);
static int private_ioctl(struct net_device *dev, struct ifreq *rq, int cmd);
static void set_rx_mode(struct net_device *dev);
+#ifdef CONFIG_TULIP_PCI
static void tulip_set_wolopts(struct pci_dev *pdev, u32 wolopts);
+#endif
#ifdef CONFIG_NET_POLL_CONTROLLER
static void poll_tulip(struct net_device *dev);
#endif
+#ifdef CONFIG_TULIP_PCI
static void tulip_set_power_state (struct tulip_private *tp,
int sleep, int snooze)
{
@@ -289,7 +292,7 @@ static void tulip_set_power_state (struc
}
}
-
+#endif
static void tulip_up(struct net_device *dev)
{
@@ -303,6 +306,7 @@ static void tulip_up(struct net_device *
napi_enable(&tp->napi);
#endif
+#ifdef CONFIG_TULIP_PCI
/* Wake the chip from sleep/snooze mode. */
tulip_set_power_state (tp, 0, 0);
@@ -310,6 +314,7 @@ static void tulip_up(struct net_device *
pci_enable_wake(tp->pdev, PCI_D3hot, 0);
pci_enable_wake(tp->pdev, PCI_D3cold, 0);
tulip_set_wolopts(tp->pdev, 0);
+#endif
/* On some chip revs we must set the MII/SYM port before the reset!? */
if (tp->mii_cnt || (tp->mtable && tp->mtable->has_mii))
@@ -317,14 +322,18 @@ static void tulip_up(struct net_device *
/* Reset the chip, holding bit 0 set at least 50 PCI cycles. */
iowrite32(0x00000001, ioaddr + CSR0);
+#ifdef CONFIG_TULIP_PCI
pci_read_config_dword(tp->pdev, PCI_COMMAND, &reg); /* flush write */
+#endif
udelay(100);
/* Deassert reset.
Wait the specified 50 PCI cycles after a reset by initializing
Tx and Rx queues and the address filter list. */
iowrite32(tp->csr0, ioaddr + CSR0);
+#ifdef CONFIG_TULIP_PCI
pci_read_config_dword(tp->pdev, PCI_COMMAND, &reg); /* flush write */
+#endif
udelay(100);
if (tulip_debug > 1)
@@ -362,9 +371,11 @@ static void tulip_up(struct net_device *
*setup_frm++ = eaddrs[1]; *setup_frm++ = eaddrs[1];
*setup_frm++ = eaddrs[2]; *setup_frm++ = eaddrs[2];
+#ifdef CONFIG_TULIP_PCI
mapping = pci_map_single(tp->pdev, tp->setup_frame,
sizeof(tp->setup_frame),
PCI_DMA_TODEVICE);
+#endif
tp->tx_buffers[tp->cur_tx].skb = NULL;
tp->tx_buffers[tp->cur_tx].mapping = mapping;
@@ -642,8 +653,10 @@ static void tulip_init_ring(struct net_d
tp->rx_buffers[i].skb = skb;
if (skb == NULL)
break;
+#ifdef CONFIG_TULIP_PCI
mapping = pci_map_single(tp->pdev, skb->data,
PKT_BUF_SZ, PCI_DMA_FROMDEVICE);
+#endif
tp->rx_buffers[i].mapping = mapping;
skb->dev = dev; /* Mark as being used by this device. */
tp->rx_ring[i].status = cpu_to_le32(DescOwned); /* Owned by Tulip chip */
@@ -677,8 +690,10 @@ tulip_start_xmit(struct sk_buff *skb, st
entry = tp->cur_tx % TX_RING_SIZE;
tp->tx_buffers[entry].skb = skb;
+#ifdef CONFIG_TULIP_PCI
mapping = pci_map_single(tp->pdev, skb->data,
skb->len, PCI_DMA_TODEVICE);
+#endif
tp->tx_buffers[entry].mapping = mapping;
tp->tx_ring[entry].buffer1 = cpu_to_le32(mapping);
@@ -729,16 +744,19 @@ static void tulip_clean_tx_ring(struct t
if (tp->tx_buffers[entry].skb == NULL) {
/* test because dummy frames not mapped */
if (tp->tx_buffers[entry].mapping)
+#ifdef CONFIG_TULIP_PCI
pci_unmap_single(tp->pdev,
tp->tx_buffers[entry].mapping,
sizeof(tp->setup_frame),
PCI_DMA_TODEVICE);
+#endif
continue;
}
-
+#ifdef CONFIG_TULIP_PCI
pci_unmap_single(tp->pdev, tp->tx_buffers[entry].mapping,
tp->tx_buffers[entry].skb->len,
PCI_DMA_TODEVICE);
+#endif
/* Free the original skb. */
dev_kfree_skb_irq(tp->tx_buffers[entry].skb);
@@ -789,7 +807,9 @@ static void tulip_down (struct net_devic
dev->if_port = tp->saved_if_port;
/* Leave the driver in snooze, not sleep, mode. */
+#ifdef CONFIG_TULIP_PCI
tulip_set_power_state (tp, 0, 1);
+#endif
}
static void tulip_free_ring (struct net_device *dev)
@@ -810,8 +830,10 @@ static void tulip_free_ring (struct net_
/* An invalid address. */
tp->rx_ring[i].buffer1 = cpu_to_le32(0xBADF00D0);
if (skb) {
+#ifdef CONFIG_TULIP_PCI
pci_unmap_single(tp->pdev, mapping, PKT_BUF_SZ,
PCI_DMA_FROMDEVICE);
+#endif
dev_kfree_skb (skb);
}
}
@@ -820,8 +842,10 @@ static void tulip_free_ring (struct net_
struct sk_buff *skb = tp->tx_buffers[i].skb;
if (skb != NULL) {
+#ifdef CONFIG_TULIP_PCI
pci_unmap_single(tp->pdev, tp->tx_buffers[i].mapping,
skb->len, PCI_DMA_TODEVICE);
+#endif
dev_kfree_skb (skb);
}
tp->tx_buffers[i].skb = NULL;
@@ -873,7 +897,9 @@ static void tulip_get_drvinfo(struct net
struct tulip_private *np = netdev_priv(dev);
strlcpy(info->driver, DRV_NAME, sizeof(info->driver));
strlcpy(info->version, DRV_VERSION, sizeof(info->version));
+#ifdef CONFIG_TULIP_PCI
strlcpy(info->bus_info, pci_name(np->pdev), sizeof(info->bus_info));
+#endif
}
@@ -886,7 +912,9 @@ static int tulip_ethtool_set_wol(struct
return -EOPNOTSUPP;
tp->wolinfo.wolopts = wolinfo->wolopts;
+#ifdef CONFIG_TULIP_PCI
device_set_wakeup_enable(&tp->pdev->dev, tp->wolinfo.wolopts);
+#endif
return 0;
}
@@ -1167,9 +1195,11 @@ static void set_rx_mode(struct net_devic
tp->tx_buffers[entry].skb = NULL;
tp->tx_buffers[entry].mapping =
+#ifdef CONFIG_TULIP_PCI
pci_map_single(tp->pdev, tp->setup_frame,
sizeof(tp->setup_frame),
PCI_DMA_TODEVICE);
+#endif
/* Put the setup frame on the Tx list. */
if (entry == TX_RING_SIZE-1)
tx_flags |= DESC_RING_WRAP; /* Wrap ring. */
@@ -1267,19 +1297,22 @@ out:
netdev_dbg(dev, "MWI config cacheline=%d, csr0=%08x\n",
cache, csr0);
}
-#endif
/*
* Chips that have the MRM/reserved bit quirk and the burst quirk. That
* is the DM910X and the on chip ULi devices
*/
+#endif
+#ifdef CONFIG_TULIP_PCI
static int tulip_uli_dm_quirk(struct pci_dev *pdev)
{
if (pdev->vendor == 0x1282 && pdev->device == 0x9102)
return 1;
return 0;
}
+#endif
+
static const struct net_device_ops tulip_netdev_ops = {
.ndo_open = tulip_open,
@@ -1297,6 +1330,7 @@ static const struct net_device_ops tulip
#endif
};
+#ifdef CONFIG_TULIP_PCI
DEFINE_PCI_DEVICE_TABLE(early_486_chipsets) = {
{ PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82424) },
{ PCI_DEVICE(PCI_VENDOR_ID_SI, PCI_DEVICE_ID_SI_496) },
@@ -1814,6 +1848,7 @@ err_out_free_netdev:
}
+#ifdef CONFIG_TULIP_PCI
/* set the registers according to the given wolopts */
static void tulip_set_wolopts (struct pci_dev *pdev, u32 wolopts)
{
@@ -1842,6 +1877,7 @@ static void tulip_set_wolopts (struct pc
iowrite32(tmp, ioaddr + CSR13);
}
}
+#endif
#ifdef CONFIG_PM
@@ -1953,6 +1989,7 @@ static void __devexit tulip_remove_one (
/* pci_power_off (pdev, -1); */
}
+#endif /* CONFIG_TULIP_PCI */
#ifdef CONFIG_NET_POLL_CONTROLLER
/*
@@ -1971,7 +2008,8 @@ static void poll_tulip (struct net_devic
}
#endif
-static struct pci_driver tulip_driver = {
+#ifdef CONFIG_TULIP_PCI
+static struct pci_driver tulip_pci_driver = {
.name = DRV_NAME,
.id_table = tulip_pci_tbl,
.probe = tulip_init_one,
@@ -1981,10 +2019,12 @@ static struct pci_driver tulip_driver =
.resume = tulip_resume,
#endif /* CONFIG_PM */
};
+#endif
static int __init tulip_init (void)
{
+ int ret = 0;
#ifdef MODULE
pr_info("%s", version);
#endif
@@ -1994,13 +2034,18 @@ static int __init tulip_init (void)
tulip_max_interrupt_work = max_interrupt_work;
/* probe for and init boards */
- return pci_register_driver(&tulip_driver);
+#ifdef CONFIG_TULIP_PCI
+ ret = pci_register_driver(&tulip_pci_driver);
+#endif
+ return ret;
}
static void __exit tulip_cleanup (void)
{
- pci_unregister_driver (&tulip_driver);
+#ifdef CONFIG_TULIP_PCI
+ pci_unregister_driver (&tulip_pci_driver);
+#endif
}
--- a/drivers/net/ethernet/dec/tulip/interrupt.c
+++ b/drivers/net/ethernet/dec/tulip/interrupt.c
@@ -72,9 +72,10 @@ int tulip_refill_rx(struct net_device *d
skb = tp->rx_buffers[entry].skb = dev_alloc_skb(PKT_BUF_SZ);
if (skb == NULL)
break;
-
+#ifdef CONFIG_TULIP_PCI
mapping = pci_map_single(tp->pdev, skb->data, PKT_BUF_SZ,
PCI_DMA_FROMDEVICE);
+#endif
tp->rx_buffers[entry].mapping = mapping;
skb->dev = dev; /* Mark as being used by this device. */
@@ -204,9 +205,11 @@ int tulip_poll(struct napi_struct *napi,
if (pkt_len < tulip_rx_copybreak &&
(skb = dev_alloc_skb(pkt_len + 2)) != NULL) {
skb_reserve(skb, 2); /* 16 byte align the IP header */
+#ifdef CONFIG_TULIP_PCI
pci_dma_sync_single_for_cpu(tp->pdev,
tp->rx_buffers[entry].mapping,
pkt_len, PCI_DMA_FROMDEVICE);
+#endif
#if ! defined(__alpha__)
skb_copy_to_linear_data(skb, tp->rx_buffers[entry].skb->data,
pkt_len);
@@ -216,9 +219,11 @@ int tulip_poll(struct napi_struct *napi,
tp->rx_buffers[entry].skb->data,
pkt_len);
#endif
+#ifdef CONFIG_TULIP_PCI
pci_dma_sync_single_for_device(tp->pdev,
tp->rx_buffers[entry].mapping,
pkt_len, PCI_DMA_FROMDEVICE);
+#endif
} else { /* Pass up the skb already on the Rx ring. */
char *temp = skb_put(skb = tp->rx_buffers[entry].skb,
pkt_len);
@@ -233,9 +238,10 @@ int tulip_poll(struct napi_struct *napi,
skb->head, temp);
}
#endif
-
+#ifdef CONFIG_TULIP_PCI
pci_unmap_single(tp->pdev, tp->rx_buffers[entry].mapping,
PKT_BUF_SZ, PCI_DMA_FROMDEVICE);
+#endif
tp->rx_buffers[entry].skb = NULL;
tp->rx_buffers[entry].mapping = 0;
@@ -591,10 +597,12 @@ irqreturn_t tulip_interrupt(int irq, voi
if (tp->tx_buffers[entry].skb == NULL) {
/* test because dummy frames not mapped */
if (tp->tx_buffers[entry].mapping)
+#ifdef CONFIG_TULIP_PCI
pci_unmap_single(tp->pdev,
tp->tx_buffers[entry].mapping,
sizeof(tp->setup_frame),
PCI_DMA_TODEVICE);
+#endif
continue;
}
@@ -622,10 +630,11 @@ irqreturn_t tulip_interrupt(int irq, voi
dev->stats.collisions += (status >> 3) & 15;
dev->stats.tx_packets++;
}
-
+#ifdef CONFIG_TULIP_PCI
pci_unmap_single(tp->pdev, tp->tx_buffers[entry].mapping,
tp->tx_buffers[entry].skb->len,
PCI_DMA_TODEVICE);
+#endif
/* Free the original skb. */
dev_kfree_skb_irq(tp->tx_buffers[entry].skb);
--- a/drivers/net/ethernet/dec/tulip/Kconfig
+++ b/drivers/net/ethernet/dec/tulip/Kconfig
@@ -40,8 +40,12 @@ config DE2104X_DSL
Default is 0, and range is 0 to 31.
config TULIP
+ tristate
+
+config TULIP_PCI
tristate "DECchip Tulip (dc2114x) PCI support"
depends on PCI
+ select TULIP
select CRC32
---help---
This driver is developed for the SMC EtherPower series Ethernet
@@ -58,7 +62,7 @@ config TULIP
config TULIP_MWI
bool "New bus configuration (EXPERIMENTAL)"
- depends on TULIP && EXPERIMENTAL
+ depends on TULIP_PCI && EXPERIMENTAL
---help---
This configures your Tulip card specifically for the card and
system cache line size type you are using.
@@ -69,7 +73,7 @@ config TULIP_MWI
config TULIP_MMIO
bool "Use PCI shared mem for NIC registers"
- depends on TULIP
+ depends on TULIP_PCI
---help---
Use PCI shared memory for the NIC registers, rather than going through
the Tulip's PIO (programmed I/O ports). Faster, but could produce

451
target/linux/adm8668/patches-3.3/005-tulip_platform.patch
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@ -0,0 +1,451 @@
--- a/drivers/net/ethernet/dec/tulip/Kconfig
+++ b/drivers/net/ethernet/dec/tulip/Kconfig
@@ -60,6 +60,14 @@ config TULIP_PCI
To compile this driver as a module, choose M here. The module will
be called tulip.
+config TULIP_PLATFORM
+ tristate "DECchip Tulip (dc2114x) Platform support"
+ depends on HAS_IOMEM
+ select TULIP
+ select CRC32
+ ---help---
+ This driver is for the platform variant.
+
config TULIP_MWI
bool "New bus configuration (EXPERIMENTAL)"
depends on TULIP_PCI && EXPERIMENTAL
--- a/drivers/net/ethernet/dec/tulip/tulip_core.c
+++ b/drivers/net/ethernet/dec/tulip/tulip_core.c
@@ -27,6 +27,8 @@
#include <linux/init.h>
#include <linux/interrupt.h>
#include <linux/etherdevice.h>
+#include <linux/platform_device.h>
+#include <linux/platform_data/tulip.h>
#include <linux/delay.h>
#include <linux/mii.h>
#include <linux/crc32.h>
@@ -204,6 +206,9 @@ struct tulip_chip_table tulip_tbl[] = {
{ "Conexant LANfinity", 256, 0x0001ebef,
HAS_MII | HAS_ACPI, tulip_timer, tulip_media_task },
+ { "Infineon ADM8668", 256, 0x0001a451,
+ MC_HASH_ONLY | COMET_MAC_ADDR, tulip_timer, tulip_media_task, },
+
};
#ifdef CONFIG_TULIP_PCI
@@ -395,6 +400,7 @@ static void tulip_up(struct net_device *
i = 0;
if (tp->mtable == NULL)
goto media_picked;
+
if (dev->if_port) {
int looking_for = tulip_media_cap[dev->if_port] & MediaIsMII ? 11 :
(dev->if_port == 12 ? 0 : dev->if_port);
@@ -488,6 +494,10 @@ media_picked:
iowrite32(ioread32(ioaddr + 0x88) | 1, ioaddr + 0x88);
dev->if_port = tp->mii_cnt ? 11 : 0;
tp->csr6 = 0x00040000;
+ } else if (tp->chip_id == ADM8668) {
+ /* Enable automatic Tx underrun recovery. */
+ iowrite32(ioread32(ioaddr + 0x88) | 1, ioaddr + 0x88);
+ tp->csr6 = 0x00040000;
} else if (tp->chip_id == AX88140) {
tp->csr6 = tp->mii_cnt ? 0x00040100 : 0x00000100;
} else
@@ -657,6 +667,10 @@ static void tulip_init_ring(struct net_d
mapping = pci_map_single(tp->pdev, skb->data,
PKT_BUF_SZ, PCI_DMA_FROMDEVICE);
#endif
+#ifdef CONFIG_TULIP_PLATFORM
+ mapping = dma_map_single(&tp->pldev->dev, skb->data,
+ PKT_BUF_SZ, DMA_FROM_DEVICE);
+#endif
tp->rx_buffers[i].mapping = mapping;
skb->dev = dev; /* Mark as being used by this device. */
tp->rx_ring[i].status = cpu_to_le32(DescOwned); /* Owned by Tulip chip */
@@ -694,6 +708,11 @@ tulip_start_xmit(struct sk_buff *skb, st
mapping = pci_map_single(tp->pdev, skb->data,
skb->len, PCI_DMA_TODEVICE);
#endif
+#ifdef CONFIG_TULIP_PLATFORM
+ mapping = dma_map_single(&tp->pldev->dev, skb->data,
+ skb->len,
+ DMA_TO_DEVICE);
+#endif
tp->tx_buffers[entry].mapping = mapping;
tp->tx_ring[entry].buffer1 = cpu_to_le32(mapping);
@@ -757,6 +776,11 @@ static void tulip_clean_tx_ring(struct t
tp->tx_buffers[entry].skb->len,
PCI_DMA_TODEVICE);
#endif
+#ifdef CONFIG_TULIP_PLATFORM
+ dma_unmap_single(&tp->pldev->dev, tp->tx_buffers[entry].mapping,
+ tp->tx_buffers[entry].skb->len,
+ DMA_TO_DEVICE);
+#endif
/* Free the original skb. */
dev_kfree_skb_irq(tp->tx_buffers[entry].skb);
@@ -834,6 +858,10 @@ static void tulip_free_ring (struct net_
pci_unmap_single(tp->pdev, mapping, PKT_BUF_SZ,
PCI_DMA_FROMDEVICE);
#endif
+#ifdef CONFIG_TULIP_PLATFORM
+ dma_unmap_single(&tp->pldev->dev, mapping, PKT_BUF_SZ,
+ DMA_FROM_DEVICE);
+#endif
dev_kfree_skb (skb);
}
}
@@ -846,6 +874,10 @@ static void tulip_free_ring (struct net_
pci_unmap_single(tp->pdev, tp->tx_buffers[i].mapping,
skb->len, PCI_DMA_TODEVICE);
#endif
+#ifdef CONFIG_TULIP_PLATFORM
+ dma_unmap_single(&tp->pldev->dev, tp->tx_buffers[i].mapping,
+ skb->len, DMA_TO_DEVICE);
+#endif
dev_kfree_skb (skb);
}
tp->tx_buffers[i].skb = NULL;
@@ -900,6 +932,9 @@ static void tulip_get_drvinfo(struct net
#ifdef CONFIG_TULIP_PCI
strlcpy(info->bus_info, pci_name(np->pdev), sizeof(info->bus_info));
#endif
+#ifdef CONFIG_TULIP_PLATFORM
+ strlcpy(info->bus_info, "platform", sizeof(info->bus_info));
+#endif
}
@@ -915,6 +950,9 @@ static int tulip_ethtool_set_wol(struct
#ifdef CONFIG_TULIP_PCI
device_set_wakeup_enable(&tp->pdev->dev, tp->wolinfo.wolopts);
#endif
+#ifdef CONFIG_TULIP_PLATFORM
+ device_set_wakeup_enable(&tp->pldev->dev, tp->wolinfo.wolopts);
+#endif
return 0;
}
@@ -1193,9 +1231,9 @@ static void set_rx_mode(struct net_devic
}
+#ifdef CONFIG_TULIP_PCI
tp->tx_buffers[entry].skb = NULL;
tp->tx_buffers[entry].mapping =
-#ifdef CONFIG_TULIP_PCI
pci_map_single(tp->pdev, tp->setup_frame,
sizeof(tp->setup_frame),
PCI_DMA_TODEVICE);
@@ -1219,6 +1257,9 @@ static void set_rx_mode(struct net_devic
spin_unlock_irqrestore(&tp->lock, flags);
}
+ if (tp->chip_id == ADM8668)
+ csr6 |= (1 << 9); /* force 100Mbps full duplex */
+
iowrite32(csr6, ioaddr + CSR6);
}
@@ -1991,6 +2032,124 @@ static void __devexit tulip_remove_one (
}
#endif /* CONFIG_TULIP_PCI */
+#ifdef CONFIG_TULIP_PLATFORM
+static int __devinit tulip_probe(struct platform_device *pdev)
+{
+ struct tulip_private *tp;
+ struct tulip_platform_data *pdata;
+ struct net_device *dev;
+ struct resource *res;
+ void __iomem *ioaddr;
+ int irq;
+
+ if (pdev->id < 0 || pdev->id >= MAX_UNITS)
+ return -EINVAL;
+
+ if (!(res = platform_get_resource(pdev, IORESOURCE_IRQ, 0)))
+ return -ENODEV;
+ irq = res->start;
+ if (!(res = platform_get_resource(pdev, IORESOURCE_MEM, 0)))
+ return -ENODEV;
+ if (!(ioaddr = ioremap(res->start, res->end - res->start)))
+ return -ENODEV;
+
+ pdata = pdev->dev.platform_data;
+ if (!pdata)
+ return -ENODEV;
+
+ if (!(dev = alloc_etherdev(sizeof (*tp))))
+ return -ENOMEM;
+
+ /* setup net dev */
+ dev->base_addr = (unsigned long)res->start;
+ dev->irq = irq;
+ SET_NETDEV_DEV(dev, &pdev->dev);
+
+ /* tulip private struct */
+ tp = netdev_priv(dev);
+ tp->dev = dev;
+ tp->base_addr = ioaddr;
+ tp->csr0 = 0;
+ tp->pldev = pdev;
+ tp->rx_ring = dma_alloc_coherent(&pdev->dev,
+ sizeof(struct tulip_rx_desc) * RX_RING_SIZE +
+ sizeof(struct tulip_tx_desc) * TX_RING_SIZE,
+ &tp->rx_ring_dma, GFP_KERNEL);
+ if (!tp->rx_ring)
+ return -ENODEV;
+ tp->tx_ring = (struct tulip_tx_desc *)(tp->rx_ring + RX_RING_SIZE);
+ tp->tx_ring_dma = tp->rx_ring_dma + sizeof(struct tulip_rx_desc) * RX_RING_SIZE;
+
+ tp->chip_id = pdata->chip_id;
+ tp->flags = tulip_tbl[tp->chip_id].flags;
+
+ spin_lock_init(&tp->lock);
+ spin_lock_init(&tp->mii_lock);
+
+ init_timer(&tp->timer);
+ tp->timer.data = (unsigned long)dev;
+ tp->timer.function = tulip_tbl[tp->chip_id].media_timer;
+
+ INIT_WORK(&tp->media_work, tulip_tbl[tp->chip_id].media_task);
+
+ /* Stop the chip's Tx and Rx processes. */
+ tulip_stop_rxtx(tp);
+
+ /* Clear the missed-packet counter. */
+ ioread32(ioaddr + CSR8);
+
+ if (!is_valid_ether_addr(pdata->mac)) {
+ dev_info(&pdev->dev, "generating random ethernet MAC\n");
+ random_ether_addr(dev->dev_addr);
+ } else
+ memcpy(dev->dev_addr, pdata->mac, ETH_ALEN);
+
+ /* The Tulip-specific entries in the device structure. */
+ dev->netdev_ops = &tulip_netdev_ops;
+ dev->watchdog_timeo = TX_TIMEOUT;
+ netif_napi_add(dev, &tp->napi, tulip_poll, 16);
+ SET_ETHTOOL_OPS(dev, &ops);
+
+ if (register_netdev(dev))
+ goto err_out_free_ring;
+
+ dev_info(&dev->dev,
+ "tulip_platform (%s) at MMIO %#lx %pM, IRQ %d\n",
+ tulip_tbl[tp->chip_id].chip_name,
+ (unsigned long)dev->base_addr, dev->dev_addr, irq);
+
+ platform_set_drvdata(pdev, dev);
+ return 0;
+
+err_out_free_ring:
+ dma_free_coherent(&pdev->dev,
+ sizeof (struct tulip_rx_desc) * RX_RING_SIZE +
+ sizeof (struct tulip_tx_desc) * TX_RING_SIZE,
+ tp->rx_ring, tp->rx_ring_dma);
+ return -ENODEV;
+}
+
+static int __devexit tulip_remove(struct platform_device *pdev)
+{
+ struct net_device *dev = platform_get_drvdata (pdev);
+ struct tulip_private *tp;
+
+ if (!dev)
+ return -ENODEV;
+
+ tp = netdev_priv(dev);
+ unregister_netdev(dev);
+ dma_free_coherent(&pdev->dev,
+ sizeof (struct tulip_rx_desc) * RX_RING_SIZE +
+ sizeof (struct tulip_tx_desc) * TX_RING_SIZE,
+ tp->rx_ring, tp->rx_ring_dma);
+ iounmap(tp->base_addr);
+ free_netdev(dev);
+ platform_set_drvdata(pdev, NULL);
+ return 0;
+}
+#endif
+
#ifdef CONFIG_NET_POLL_CONTROLLER
/*
* Polling 'interrupt' - used by things like netconsole to send skbs
@@ -2021,6 +2180,17 @@ static struct pci_driver tulip_pci_drive
};
#endif
+#ifdef CONFIG_TULIP_PLATFORM
+static struct platform_driver tulip_platform_driver = {
+ .probe = tulip_probe,
+ .remove = __devexit_p(tulip_remove),
+ .driver = {
+ .owner = THIS_MODULE,
+ .name = DRV_NAME,
+ },
+};
+#endif
+
static int __init tulip_init (void)
{
@@ -2037,6 +2207,9 @@ static int __init tulip_init (void)
#ifdef CONFIG_TULIP_PCI
ret = pci_register_driver(&tulip_pci_driver);
#endif
+#ifdef CONFIG_TULIP_PLATFORM
+ ret = platform_driver_register(&tulip_platform_driver);
+#endif
return ret;
}
@@ -2046,6 +2219,9 @@ static void __exit tulip_cleanup (void)
#ifdef CONFIG_TULIP_PCI
pci_unregister_driver (&tulip_pci_driver);
#endif
+#ifdef CONFIG_TULIP_PLATFORM
+ platform_driver_unregister (&tulip_platform_driver);
+#endif
}
--- a/drivers/net/ethernet/dec/tulip/tulip.h
+++ b/drivers/net/ethernet/dec/tulip/tulip.h
@@ -21,6 +21,8 @@
#include <linux/timer.h>
#include <linux/delay.h>
#include <linux/pci.h>
+#include <linux/platform_device.h>
+#include <linux/platform_data/tulip.h>
#include <asm/io.h>
#include <asm/irq.h>
#include <asm/unaligned.h>
@@ -69,28 +71,6 @@ enum tbl_flag {
};
-/* chip types. careful! order is VERY IMPORTANT here, as these
- * are used throughout the driver as indices into arrays */
-/* Note 21142 == 21143. */
-enum chips {
- DC21040 = 0,
- DC21041 = 1,
- DC21140 = 2,
- DC21142 = 3, DC21143 = 3,
- LC82C168,
- MX98713,
- MX98715,
- MX98725,
- AX88140,
- PNIC2,
- COMET,
- COMPEX9881,
- I21145,
- DM910X,
- CONEXANT,
-};
-
-
enum MediaIs {
MediaIsFD = 1,
MediaAlwaysFD = 2,
@@ -446,7 +426,12 @@ struct tulip_private {
struct mediatable *mtable;
int cur_index; /* Current media index. */
int saved_if_port;
+#ifdef CONFIG_TULIP_PCI
struct pci_dev *pdev;
+#endif
+#ifdef CONFIG_TULIP_PLATFORM
+ struct platform_device *pldev;
+#endif
int ttimer;
int susp_rx;
unsigned long nir;
--- a/drivers/net/ethernet/dec/tulip/interrupt.c
+++ b/drivers/net/ethernet/dec/tulip/interrupt.c
@@ -76,6 +76,10 @@ int tulip_refill_rx(struct net_device *d
mapping = pci_map_single(tp->pdev, skb->data, PKT_BUF_SZ,
PCI_DMA_FROMDEVICE);
#endif
+#ifdef CONFIG_TULIP_PLATFORM
+ mapping = dma_map_single(&tp->pldev->dev, skb->data, PKT_BUF_SZ,
+ DMA_FROM_DEVICE);
+#endif
tp->rx_buffers[entry].mapping = mapping;
skb->dev = dev; /* Mark as being used by this device. */
@@ -198,8 +202,7 @@ int tulip_poll(struct napi_struct *napi,
dev->stats.rx_fifo_errors++;
}
} else {
- struct sk_buff *skb;
-
+ struct sk_buff *skb;
/* Check if the packet is long enough to accept without copying
to a minimally-sized skbuff. */
if (pkt_len < tulip_rx_copybreak &&
@@ -242,6 +245,10 @@ int tulip_poll(struct napi_struct *napi,
pci_unmap_single(tp->pdev, tp->rx_buffers[entry].mapping,
PKT_BUF_SZ, PCI_DMA_FROMDEVICE);
#endif
+#ifdef CONFIG_TULIP_PLATFORM
+ dma_unmap_single(&tp->pldev->dev, tp->rx_buffers[entry].mapping,
+ PKT_BUF_SZ, DMA_FROM_DEVICE);
+#endif
tp->rx_buffers[entry].skb = NULL;
tp->rx_buffers[entry].mapping = 0;
@@ -635,6 +642,11 @@ irqreturn_t tulip_interrupt(int irq, voi
tp->tx_buffers[entry].skb->len,
PCI_DMA_TODEVICE);
#endif
+#ifdef CONFIG_TULIP_PLATFORM
+ dma_unmap_single(&tp->pldev->dev, tp->tx_buffers[entry].mapping,
+ tp->tx_buffers[entry].skb->len,
+ DMA_TO_DEVICE);
+#endif
/* Free the original skb. */
dev_kfree_skb_irq(tp->tx_buffers[entry].skb);
--- /dev/null
+++ b/include/linux/platform_data/tulip.h
@@ -0,0 +1,31 @@
+#ifndef _LINUX_TULIP_PDATA_H
+#define _LINUX_TULIP_PDATA_H
+
+/* chip types. careful! order is VERY IMPORTANT here, as these
+ * are used throughout the driver as indices into arrays */
+/* Note 21142 == 21143. */
+enum chips {
+ DC21040 = 0,
+ DC21041 = 1,
+ DC21140 = 2,
+ DC21142 = 3, DC21143 = 3,
+ LC82C168,
+ MX98713,
+ MX98715,
+ MX98725,
+ AX88140,
+ PNIC2,
+ COMET,
+ COMPEX9881,
+ I21145,
+ DM910X,
+ CONEXANT,
+ ADM8668,
+};
+
+struct tulip_platform_data {
+ u8 mac[6];
+ enum chips chip_id;
+};
+
+#endif
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