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authorGrzegorz Bernacki2007-10-01 09:51:50 +0200
committerStefan Roese2007-10-02 11:30:37 +0200
commit2db64784061bfc34f4ba70ef1d2fbe7133b55670 (patch)
tree52999ea19bebedc4e20b02c431fe759e391a0873 /board/amcc
parent636538c520ed118e5e50f592250232a5f943fb84 (diff)
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/amcc')
-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 7b16f8a39ac..1bd7efa0bae 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;
}