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u-boot: Fix CPU2 errata on MPC8548CDS board 

This patch apply workaround of CPU2 errata on MPC8548CDS board.

Signed-off-by:Ebony Zhu <ebony.zhu@freescale.com>
This commit is contained in:
Zang Roy-r61911 2006-12-15 14:43:31 +08:00 committed by Andrew Fleming-AFLEMING
parent 39b18c4f3e
commit 7337b237ff
1 changed files with 7 additions and 0 deletions
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7
board/cds/mpc8548cds/mpc8548cds.c
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@ -51,6 +51,7 @@ int checkboard (void)
{
volatile immap_t *immap = (immap_t *) CFG_CCSRBAR;
volatile ccsr_gur_t *gur = &immap->im_gur;
volatile ccsr_local_ecm_t *ecm = &immap->im_local_ecm;
/* PCI slot in USER bits CSR[6:7] by convention. */
uint pci_slot = get_pci_slot ();
@ -89,6 +90,12 @@ int checkboard (void)
*/
local_bus_init ();
/*
* Fix CPU2 errata: A core hang possible while executing a
* msync instruction and a snoopable transaction from an I/O
* master tagged to make quick forward progress is present.
*/
ecm->eebpcr |= (1 << 16);
/*
* Hack TSEC 3 and 4 IO voltages.