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authorMarkus Klotzbuecher <mk@denx.de>2008-07-10 10:26:07 +0200
committerMarkus Klotzbuecher <mk@denx.de>2008-07-10 10:26:07 +0200
commit794a5924972fc8073616e98a2668da4a5f9aea90 (patch)
treedd0db39b3e183b5bcb0300d5377d7a0d5ac5fd0c /drivers/net/smc911x.c
parentf2aeecc320f5b181b30effcaa67683aec8d5a843 (diff)
parent4188f0491886b3b486164e819c0a83fdb97efd7d (diff)
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Merge branch 'master' of git://www.denx.de/git/u-boot
Diffstat (limited to 'drivers/net/smc911x.c')
-rw-r--r--drivers/net/smc911x.c30
1 files changed, 21 insertions, 9 deletions
diff --git a/drivers/net/smc911x.c b/drivers/net/smc911x.c
index 5302cb5..1484b0b 100644
--- a/drivers/net/smc911x.c
+++ b/drivers/net/smc911x.c
@@ -23,14 +23,17 @@
*/
#include <common.h>
-
-#ifdef CONFIG_DRIVER_SMC911X
-
#include <command.h>
#include <net.h>
#include <miiphy.h>
-#ifdef CONFIG_DRIVER_SMC911X_32_BIT
+#if defined (CONFIG_DRIVER_SMC911X_32_BIT) && \
+ defined (CONFIG_DRIVER_SMC911X_16_BIT)
+#error "SMC911X: Only one of CONFIG_DRIVER_SMC911X_32_BIT and \
+ CONFIG_DRIVER_SMC911X_16_BIT shall be set"
+#endif
+
+#if defined (CONFIG_DRIVER_SMC911X_32_BIT)
static inline u32 reg_read(u32 addr)
{
return *(volatile u32*)addr;
@@ -39,9 +42,20 @@ static inline void reg_write(u32 addr, u32 val)
{
*(volatile u32*)addr = val;
}
+#elif defined (CONFIG_DRIVER_SMC911X_16_BIT)
+static inline u32 reg_read(u32 addr)
+{
+ volatile u16 *addr_16 = (u16 *)addr;
+ return ((*addr_16 & 0x0000ffff) | (*(addr_16 + 1) << 16));
+}
+static inline void reg_write(u32 addr, u32 val)
+{
+ *(volatile u16*)addr = (u16)val;
+ *(volatile u16*)(addr + 2) = (u16)(val >> 16);
+}
#else
-#error "SMC911X: Only 32-bit bus is supported"
-#endif
+#error "SMC911X: undefined bus width"
+#endif /* CONFIG_DRIVER_SMC911X_16_BIT */
#define mdelay(n) udelay((n)*1000)
@@ -583,7 +597,7 @@ int eth_init(bd_t *bd)
val = reg_read(BYTE_TEST);
if (val != 0x87654321) {
- printf(DRIVERNAME ": Invalid chip endian 0x08%x\n", val);
+ printf(DRIVERNAME ": Invalid chip endian 0x%08x\n", val);
goto err_out;
}
@@ -682,5 +696,3 @@ int eth_rx(void)
return 0;
}
-
-#endif /* CONFIG_DRIVER_SMC911X */