leandrof/u-boot
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Assigned a static SMI address to all UECs TBIPA address.

Browse Source 
It is set to 0x1F by default and can be overwritten on the board
header file by defining CONFIG_UTBIPAR_INIT_TBIPA. This allows
the CPU to simply "reserve" one SMI address instead of using
a different one for each UEC.

Signed-off-by: Richard Retanubun <RichardRetanubun@RuggedCom.com>
Signed-off-by: Ben Warren <biggerbadderben@gmail.com>
This commit is contained in:
Richard Retanubun 2009-07-01 14:03:15 -04:00 committed by Ben Warren
parent 9fd38a01cb
commit 1a9519373b
1 changed files with 9 additions and 8 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

17
drivers/qe/uec.c
View File

@ -31,6 +31,11 @@
#include "uec_phy.h"
#include "miiphy.h"
/* Default UTBIPAR SMI address */
#ifndef CONFIG_UTBIPAR_INIT_TBIPA
#define CONFIG_UTBIPAR_INIT_TBIPA 0x1F
#endif
static uec_info_t uec_info[] = {
#ifdef CONFIG_UEC_ETH1
STD_UEC_INFO(1), /* UEC1 */
@ -1071,15 +1076,11 @@ static int uec_startup(uec_private_t *uec)
utbipar = in_be32(&uec_regs->utbipar);
utbipar &= ~UTBIPAR_PHY_ADDRESS_MASK;
enet_interface = uec->uec_info->enet_interface;
if (enet_interface == ENET_1000_TBI ||
enet_interface == ENET_1000_RTBI) {
utbipar |= (uec_info->phy_address + uec_info->uf_info.ucc_num)
<< UTBIPAR_PHY_ADDRESS_SHIFT;
} else {
utbipar |= (0x10 + uec_info->uf_info.ucc_num)
<< UTBIPAR_PHY_ADDRESS_SHIFT;
}
/* Initialize UTBIPAR address to CONFIG_UTBIPAR_INIT_TBIPA for ALL UEC.
* This frees up the remaining SMI addresses for use.
*/
utbipar |= CONFIG_UTBIPAR_INIT_TBIPA << UTBIPAR_PHY_ADDRESS_SHIFT;
out_be32(&uec_regs->utbipar, utbipar);
/* Configure the TBI for SGMII operation */