net: smc91x: Add Atari EtherNAT support

Add Atari specific code to the smc91x Ethernet driver. This code is used
on the EtherNAT adapter card for the Atari Falcon extension port.

Signed-off-by: Michael Schmitz <schmitz@debian.org>
Tested-by: Christian Steigies <cts@debian.org>
[geert: Sort Kconfig entries, split in hard and soft dependencies]
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Acked-by: Nicolas Pitre <nico@fluxnic.net>
Signed-off-by: David S. Miller <davem@davemloft.net>

2 files changed, 27 insertions, 4 deletions

diff --git a/drivers/net/ethernet/smsc/Kconfig b/drivers/net/ethernet/smsc/Kconfig
index 9468e64e6007..3e97a8b43147 100644
--- a/drivers/net/ethernet/smsc/Kconfig
+++ b/drivers/net/ethernet/smsc/Kconfig
@@ -5,8 +5,9 @@
 config NET_VENDOR_SMSC
         bool "SMC (SMSC)/Western Digital devices"
         default y
-        depends on ARM || ISA || MAC || ARM64 || MIPS || M32R || SUPERH || \
-                BLACKFIN || MN10300 || COLDFIRE || XTENSA || NIOS2 || PCI || PCMCIA
+        depends on ARM || ARM64 || ATARI_ETHERNAT || BLACKFIN || COLDFIRE || \
+                   ISA || M32R || MAC || MIPS || MN10300 || NIOS2 || PCI || \
+                   PCMCIA || SUPERH || XTENSA
         ---help---
           If you have a network (Ethernet) card belonging to this class, say Y
           and read the Ethernet-HOWTO, available from
@@ -38,8 +39,9 @@ config SMC91X
         tristate "SMC 91C9x/91C1xxx support"
         select CRC32
         select MII
-        depends on (ARM || M32R || SUPERH || MIPS || BLACKFIN || \
-                    MN10300 || COLDFIRE || ARM64 || XTENSA || NIOS2) && (!OF || GPIOLIB)
+        depends on !OF || GPIOLIB
+        depends on ARM || ARM64 || ATARI_ETHERNAT || BLACKFIN || COLDFIRE || \
+                   M32R || MIPS || MN10300 || NIOS2 || SUPERH || XTENSA
         ---help---
           This is a driver for SMC's 91x series of Ethernet chipsets,
           including the SMC91C94 and the SMC91C111. Say Y if you want it
diff --git a/drivers/net/ethernet/smsc/smc91x.h b/drivers/net/ethernet/smsc/smc91x.h
index 2a38dacbbd27..be67baf5f677 100644
--- a/drivers/net/ethernet/smsc/smc91x.h
+++ b/drivers/net/ethernet/smsc/smc91x.h
@@ -216,6 +216,27 @@ SMC_outw(u16 val, void __iomem *ioaddr, int reg)
 
 #include <unit/smc91111.h>
 
+#elif defined(CONFIG_ATARI)
+
+#define SMC_CAN_USE_8BIT        1
+#define SMC_CAN_USE_16BIT       1
+#define SMC_CAN_USE_32BIT       1
+#define SMC_NOWAIT              1
+
+#define SMC_inb(a, r)           readb((a) + (r))
+#define SMC_inw(a, r)           readw((a) + (r))
+#define SMC_inl(a, r)           readl((a) + (r))
+#define SMC_outb(v, a, r)       writeb(v, (a) + (r))
+#define SMC_outw(v, a, r)       writew(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 RPC_LSA_DEFAULT         RPC_LED_100_10
+#define RPC_LSB_DEFAULT         RPC_LED_TX_RX
+
 #elif defined(CONFIG_ARCH_MSM)
 
 #define SMC_CAN_USE_8BIT        0