diff options
author | Andy Green <andy@warmcat.com> | 2009-12-29 14:40:43 +0000 |
---|---|---|
committer | Ben Dooks <ben-linux@fluff.org> | 2010-01-18 11:41:04 +0900 |
commit | a4e946947b966d018f3f712d5c7ca2932c2aadd2 (patch) | |
tree | f8d3559552eb4e86929a217619e74cd08d56bcab /arch/arm | |
parent | 810f613c03a1614c71a2b27859e91ae155bd659f (diff) |
ARM: SMDK6410: Add comments on ethernet connectivity
LAN9115 Ethernet only works on SMDK6410 if certain switches
are set in specific ways. Document the requirement.
Signed-off-by: Andy Green <andy@warmcat.com>
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
Diffstat (limited to 'arch/arm')
-rw-r--r-- | arch/arm/mach-s3c6410/mach-smdk6410.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/arch/arm/mach-s3c6410/mach-smdk6410.c b/arch/arm/mach-s3c6410/mach-smdk6410.c index e7bae539af4..eb5de981c09 100644 --- a/arch/arm/mach-s3c6410/mach-smdk6410.c +++ b/arch/arm/mach-s3c6410/mach-smdk6410.c @@ -155,6 +155,16 @@ static struct s3c_fb_platdata smdk6410_lcd_pdata __initdata = { .vidcon1 = VIDCON1_INV_HSYNC | VIDCON1_INV_VSYNC, }; +/* + * Configuring Ethernet on SMDK6410 + * + * Both CS8900A and LAN9115 chips share one chip select mediated by CFG6. + * The constant address below corresponds to nCS1 + * + * 1) Set CFGB2 p3 ON others off, no other CFGB selects "ethernet" + * 2) CFG6 needs to be switched to "LAN9115" side + */ + static struct resource smdk6410_smsc911x_resources[] = { [0] = { .start = S3C64XX_PA_XM0CSN1, |