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| author | Zang Roy-r61911 <tie-fei.zang@freescale.com> | 2006-12-15 14:43:31 +0800 |
|---|---|---|
| committer | Andrew Fleming-AFLEMING <afleming@freescale.com> | 2007-04-23 19:58:27 -0500 |
| commit | 7337b237ffc4aaf1b9467024fe472a880d852598 (patch) | |
| tree | fbeba62cd0ed89c61ae661d2e9ca09c80a71eeea | |
| parent | 39b18c4f3e0b6d0dc00f4e68bad2da3766c85f09 (diff) | |
| download | u-boot-imx-7337b237ffc4aaf1b9467024fe472a880d852598.zip u-boot-imx-7337b237ffc4aaf1b9467024fe472a880d852598.tar.gz u-boot-imx-7337b237ffc4aaf1b9467024fe472a880d852598.tar.bz2 | |
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>
| -rw-r--r-- | board/cds/mpc8548cds/mpc8548cds.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/board/cds/mpc8548cds/mpc8548cds.c b/board/cds/mpc8548cds/mpc8548cds.c index 7433ebf..0d3fceb 100644 --- a/board/cds/mpc8548cds/mpc8548cds.c +++ b/board/cds/mpc8548cds/mpc8548cds.c @@ -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. |