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Only look for L2 cache controllers for mpc85xx_cache

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The L3 cache controller (Corenet Platform Cache) is listed with one of its
compatible strings as "cache", which this driver can't attach to.  Restrict
to a known list of primary cache controller strings, as found in the l2cache
devicetree binding.
This commit is contained in:
jhibbits 2018-02-04 20:07:08 +00:00
parent 0161253a5d
commit 8c1e98efd7
1 changed files with 43 additions and 1 deletions
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44
sys/powerpc/mpc85xx/mpc85xx_cache.c
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@ -56,11 +56,53 @@ struct mpc85xx_cache_softc {
struct resource *sc_mem;
};
static struct ofw_compat_data compats[] = {
{"fsl,8540-l2-cache-controller", 1},
{"fsl,8541-l2-cache-controller", 1},
{"fsl,8544-l2-cache-controller", 1},
{"fsl,8548-l2-cache-controller", 1},
{"fsl,8555-l2-cache-controller", 1},
{"fsl,8568-l2-cache-controller", 1},
{"fsl,b4420-l2-cache-controller", 1},
{"fsl,b4860-l2-cache-controller", 1},
{"fsl,bsc9131-l2-cache-controller", 1},
{"fsl,bsc9132-l2-cache-controller", 1},
{"fsl,c293-l2-cache-controller", 1},
{"fsl,mpc8536-l2-cache-controller", 1},
{"fsl,mpc8540-l2-cache-controller", 1},
{"fsl,mpc8541-l2-cache-controller", 1},
{"fsl,mpc8544-l2-cache-controller", 1},
{"fsl,mpc8548-l2-cache-controller", 1},
{"fsl,mpc8555-l2-cache-controller", 1},
{"fsl,mpc8560-l2-cache-controller", 1},
{"fsl,mpc8568-l2-cache-controller", 1},
{"fsl,mpc8569-l2-cache-controller", 1},
{"fsl,mpc8572-l2-cache-controller", 1},
{"fsl,p1010-l2-cache-controller", 1},
{"fsl,p1011-l2-cache-controller", 1},
{"fsl,p1012-l2-cache-controller", 1},
{"fsl,p1013-l2-cache-controller", 1},
{"fsl,p1014-l2-cache-controller", 1},
{"fsl,p1015-l2-cache-controller", 1},
{"fsl,p1016-l2-cache-controller", 1},
{"fsl,p1020-l2-cache-controller", 1},
{"fsl,p1021-l2-cache-controller", 1},
{"fsl,p1022-l2-cache-controller", 1},
{"fsl,p1023-l2-cache-controller", 1},
{"fsl,p1024-l2-cache-controller", 1},
{"fsl,p1025-l2-cache-controller", 1},
{"fsl,p2010-l2-cache-controller", 1},
{"fsl,p2020-l2-cache-controller", 1},
{"fsl,t2080-l2-cache-controller", 1},
{"fsl,t4240-l2-cache-controller", 1},
{0, 0}
};
static int
mpc85xx_cache_probe(device_t dev)
{
if (!ofw_bus_is_compatible(dev, "cache"))
if (ofw_bus_search_compatible(dev, compats)->ocd_str == NULL)
return (ENXIO);
device_set_desc(dev, "MPC85xx L2 cache");