[PATCH] cs89x0.c: support for Philips' pnx0105 network adapter

This patch is to provide support for cs89x0-based network device on
Philips' pnx0105 board.

Signed-off-by: dmitry pervushin <dpervushin@ru.mvista.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>

3 files changed, 39 insertions, 5 deletions

diff --git a/drivers/net/Kconfig b/drivers/net/Kconfig
index 47e158fa5aac..2b55687f6ee9 100644
--- a/drivers/net/Kconfig
+++ b/drivers/net/Kconfig
@@ -1320,7 +1320,7 @@ config FORCEDETH
 
 config CS89x0
         tristate "CS89x0 support"
-        depends on NET_PCI && (ISA || ARCH_IXDP2X01)
+        depends on (NET_PCI && (ISA || ARCH_IXDP2X01)) || ARCH_PNX0105
         ---help---
           Support for CS89x0 chipset based Ethernet cards. If you have a
           network (Ethernet) card of this type, say Y and read the
diff --git a/drivers/net/cs89x0.c b/drivers/net/cs89x0.c
index 25e4495de79e..b96d6fb1929e 100644
--- a/drivers/net/cs89x0.c
+++ b/drivers/net/cs89x0.c
@@ -174,6 +174,13 @@ static unsigned int cs8900_irq_map[] = {1,0,0,0};
 #include <asm/irq.h>
 static unsigned int netcard_portlist[] __initdata = {IXDP2X01_CS8900_VIRT_BASE, 0};
 static unsigned int cs8900_irq_map[] = {IRQ_IXDP2X01_CS8900, 0, 0, 0};
+#elif defined(CONFIG_ARCH_PNX0105)
+#include <asm/irq.h>
+#include <asm/arch/gpio.h>
+#define CIRRUS_DEFAULT_BASE     IO_ADDRESS(EXT_STATIC2_s0_BASE + 0x200000)      /* = Physical address 0x48200000 */
+#define CIRRUS_DEFAULT_IRQ      VH_INTC_INT_NUM_CASCADED_INTERRUPT_1 /* Event inputs bank 1 - ID 35/bit 3 */
+static unsigned int netcard_portlist[] __initdata = {CIRRUS_DEFAULT_BASE, 0};
+static unsigned int cs8900_irq_map[] = {CIRRUS_DEFAULT_IRQ, 0, 0, 0};
 #else
 static unsigned int netcard_portlist[] __initdata =
    { 0x300, 0x320, 0x340, 0x360, 0x200, 0x220, 0x240, 0x260, 0x280, 0x2a0, 0x2c0, 0x2e0, 0};
@@ -431,6 +438,30 @@ cs89x0_probe1(struct net_device *dev, int ioaddr, int modular)
 #endif
         }
 
+#ifdef CONFIG_ARCH_PNX0105
+        initialize_ebi();
+
+        /* Map GPIO registers for the pins connected to the CS8900a. */
+        if (map_cirrus_gpio() < 0)
+                return -ENODEV;
+
+        reset_cirrus();
+
+        /* Map event-router registers. */
+        if (map_event_router() < 0)
+                return -ENODEV;
+
+        enable_cirrus_irq();
+
+        unmap_cirrus_gpio();
+        unmap_event_router();
+
+        dev->base_addr = ioaddr;
+
+        for (i = 0 ; i < 3 ; i++)
+                readreg(dev, 0);
+#endif
+
         /* Grab the region so we can find another board if autoIRQ fails. */
         /* WTF is going on here? */
         if (!request_region(ioaddr & ~3, NETCARD_IO_EXTENT, DRV_NAME)) {
@@ -672,7 +703,7 @@ printk("PP_addr=0x%x\n", inw(ioaddr + ADD_PORT));
         } else {
                 i = lp->isa_config & INT_NO_MASK;
                 if (lp->chip_type == CS8900) {
-#ifdef CONFIG_ARCH_IXDP2X01
+#if defined(CONFIG_ARCH_IXDP2X01) || defined(CONFIG_ARCH_PNX0105)
                         i = cs8900_irq_map[0];
 #else
                         /* Translate the IRQ using the IRQ mapping table. */
@@ -1145,7 +1176,7 @@ net_open(struct net_device *dev)
         int i;
         int ret;
 
-#ifndef CONFIG_SH_HICOSH4 /* uses irq#1, so this won't work */
+#if !defined(CONFIG_SH_HICOSH4) && !defined(CONFIG_ARCH_PNX0105) /* uses irq#1, so this won't work */
         if (dev->irq < 2) {
                 /* Allow interrupts to be generated by the chip */
 /* Cirrus' release had this: */
@@ -1176,7 +1207,7 @@ net_open(struct net_device *dev)
         else
 #endif
         {
-#ifndef CONFIG_ARCH_IXDP2X01
+#if !defined(CONFIG_ARCH_IXDP2X01) && !defined(CONFIG_ARCH_PNX0105)
                 if (((1 << dev->irq) & lp->irq_map) == 0) {
                         printk(KERN_ERR "%s: IRQ %d is not in our map of allowable IRQs, which is %x\n",
                                dev->name, dev->irq, lp->irq_map);
@@ -1261,6 +1292,9 @@ net_open(struct net_device *dev)
         case A_CNF_MEDIA_10B_2: result = lp->adapter_cnf & A_CNF_10B_2; break;
         default: result = lp->adapter_cnf & (A_CNF_10B_T | A_CNF_AUI | A_CNF_10B_2);
         }
+#ifdef CONFIG_ARCH_PNX0105
+        result = A_CNF_10B_T;
+#endif
         if (!result) {
                 printk(KERN_ERR "%s: EEPROM is configured for unavailable media\n", dev->name);
         release_irq:
diff --git a/drivers/net/cs89x0.h b/drivers/net/cs89x0.h
index b0ef7ad2baad..bd3ad8e6cce9 100644
--- a/drivers/net/cs89x0.h
+++ b/drivers/net/cs89x0.h
@@ -16,7 +16,7 @@
 
 #include <linux/config.h>
 
-#ifdef CONFIG_ARCH_IXDP2X01
+#if defined(CONFIG_ARCH_IXDP2X01) || defined(CONFIG_ARCH_PNX0105)
 /* IXDP2401/IXDP2801 uses dword-aligned register addressing */
 #define CS89x0_PORT(reg) ((reg) * 2)
 #else