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authorGrzegorz Bernacki <gjb@semihalf.com>2007-10-01 09:51:50 +0200
committerStefan Roese <sr@denx.de>2007-10-02 11:30:37 +0200
commit2db64784061bfc34f4ba70ef1d2fbe7133b55670 (patch)
tree52999ea19bebedc4e20b02c431fe759e391a0873 /board
parent636538c520ed118e5e50f592250232a5f943fb84 (diff)
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Program EPLD to force full duplex mode for PHY.
EPLD forces modes of PHY operation. By default full duplex is turned off. This fix turns it on. Signed-off-by: Grzegorz Bernacki <gjb@semihalf.com>
Diffstat (limited to 'board')
-rw-r--r--board/amcc/luan/luan.c17
1 files changed, 12 insertions, 5 deletions
diff --git a/board/amcc/luan/luan.c b/board/amcc/luan/luan.c
index 7b16f8a..1bd7efa 100644
--- a/board/amcc/luan/luan.c
+++ b/board/amcc/luan/luan.c
@@ -39,8 +39,6 @@ extern flash_info_t flash_info[CFG_MAX_FLASH_BANKS]; /* info for FLASH chips */
************************************************************************/
int board_early_init_f(void)
{
- volatile epld_t *x = (epld_t *) CFG_EPLD_BASE;
-
mtebc( pb0ap, 0x03800000 ); /* set chip selects */
mtebc( pb0cr, 0xffc58000 ); /* ebc0_b0cr, 4MB at 0xffc00000 CS0 */
mtebc( pb1ap, 0x03800000 );
@@ -66,8 +64,6 @@ int board_early_init_f(void)
mtdcr( uic0sr, 0x00000000 ); /* clear all interrupts */
mtdcr( uic0sr, 0xffffffff );
- x->ethuart &= ~EPLD2_RESET_ETH_N; /* put Ethernet+PHY in reset */
-
return 0;
}
@@ -79,7 +75,18 @@ int board_early_init_f(void)
int misc_init_r(void)
{
volatile epld_t *x = (epld_t *) CFG_EPLD_BASE;
- x->ethuart |= EPLD2_RESET_ETH_N; /* take Ethernet+PHY out of reset */
+
+ /* set modes of operation */
+ x->ethuart |= EPLD2_ETH_MODE_10 | EPLD2_ETH_MODE_100 |
+ EPLD2_ETH_MODE_1000 | EPLD2_ETH_DUPLEX_MODE;
+ /* clear ETHERNET_AUTO_NEGO bit to turn on autonegotiation */
+ x->ethuart &= ~EPLD2_ETH_AUTO_NEGO;
+
+ /* put Ethernet+PHY in reset */
+ x->ethuart &= ~EPLD2_RESET_ETH_N;
+ udelay(10000);
+ /* take Ethernet+PHY out of reset */
+ x->ethuart |= EPLD2_RESET_ETH_N;
return 0;
}