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powerpc/44x: Fix L2-cache support for 460GT 

Also set L2C_CFG_RDBW on 460GT platforms and not only on 460EX.

Signed-off-by: Stefan Roese <sr@denx.de>
Cc: Josh Boyer <jwboyer@linux.vnet.ibm.com>
Signed-off-by: Josh Boyer <jwboyer@linux.vnet.ibm.com>
This commit is contained in:
Stefan Roese 2010-02-09 23:08:17 +00:00 committed by Josh Boyer
parent b919ee827e
commit 28ef35eb33
1 changed files with 2 additions and 1 deletions
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3
arch/powerpc/sysdev/ppc4xx_soc.c
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@ -174,7 +174,8 @@ static int __init ppc4xx_l2c_probe(void)
| L2C_CFG_CPIM | L2C_CFG_TPIM | L2C_CFG_LIM | L2C_CFG_SMCM;
/* Check for 460EX/GT special handling */
if (of_device_is_compatible(np, "ibm,l2-cache-460ex"))
if (of_device_is_compatible(np, "ibm,l2-cache-460ex") ||
of_device_is_compatible(np, "ibm,l2-cache-460gt"))
r |= L2C_CFG_RDBW;
mtdcr(dcrbase_l2c + DCRN_L2C0_CFG, r);