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| author | Peter Tyser <ptyser@xes-inc.com> | 2008-11-11 10:17:10 -0600 |
|---|---|---|
| committer | Andrew Fleming-AFLEMING <afleming@freescale.com> | 2008-12-03 22:46:42 -0600 |
| commit | a2cd50ed6ef0ac6b127b3d6db756979a8336718d (patch) | |
| tree | a8064eb08a501fdecadfb50af56f646c90be0f3a /board | |
| parent | e57f0fa1333cdf3ca36110aac2900712a5f82976 (diff) | |
| download | u-boot-imx-a2cd50ed6ef0ac6b127b3d6db756979a8336718d.zip u-boot-imx-a2cd50ed6ef0ac6b127b3d6db756979a8336718d.tar.gz u-boot-imx-a2cd50ed6ef0ac6b127b3d6db756979a8336718d.tar.bz2 | |
85xx: Add CPU 2 errata workaround to all 8548 boards
All mpc8548-based boards should implement the suggested workaround
to CPU 2 errata. Without the workaround, its possible for the
8548's core to hang while executing a msync or mbar 0 instruction
and a snoopable transaction from an I/O master tagged to make
quick forward progress is present.
Signed-off-by: Peter Tyser <ptyser@xes-inc.com>
Acked-by: Andy Fleming <afleming@freescale.com>
Diffstat (limited to 'board')
| -rw-r--r-- | board/freescale/mpc8548cds/mpc8548cds.c | 12 | ||||
| -rw-r--r-- | board/sbc8548/sbc8548.c | 7 |
2 files changed, 0 insertions, 19 deletions
diff --git a/board/freescale/mpc8548cds/mpc8548cds.c b/board/freescale/mpc8548cds/mpc8548cds.c index 8698605..ba6bff5 100644 --- a/board/freescale/mpc8548cds/mpc8548cds.c +++ b/board/freescale/mpc8548cds/mpc8548cds.c @@ -52,7 +52,6 @@ int checkboard (void) uint pci_slot = get_pci_slot (); uint cpu_board_rev = get_cpu_board_revision (); - uint svr; printf ("Board: CDS Version 0x%02x, PCI Slot %d\n", get_board_version (), pci_slot); @@ -65,17 +64,6 @@ int checkboard (void) */ local_bus_init (); - svr = get_svr(); - - /* - * 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. - * Fixed in Silicon Rev.2.1 - */ - if (!(SVR_MAJ(svr) >= 2 && SVR_MIN(svr) >= 1)) - ecm->eebpcr |= (1 << 16); - /* * Hack TSEC 3 and 4 IO voltages. */ diff --git a/board/sbc8548/sbc8548.c b/board/sbc8548/sbc8548.c index cfb9ce5..017f6b3 100644 --- a/board/sbc8548/sbc8548.c +++ b/board/sbc8548/sbc8548.c @@ -62,13 +62,6 @@ 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. */ gur->tsec34ioovcr = 0xe7e0; /* 1110 0111 1110 0xxx */ |