From 2db64784061bfc34f4ba70ef1d2fbe7133b55670 Mon Sep 17 00:00:00 2001 From: Grzegorz Bernacki Date: Mon, 1 Oct 2007 09:51:50 +0200 Subject: 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 --- board/amcc/luan/luan.c | 17 ++++++++++++----- 1 file changed, 12 insertions(+), 5 deletions(-) (limited to 'board/amcc') diff --git a/board/amcc/luan/luan.c b/board/amcc/luan/luan.c index 7b16f8a39a..1bd7efa0ba 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; } -- cgit v1.2.1