diff options
Diffstat (limited to 'drivers/memory/pl172.c')
| -rw-r--r-- | drivers/memory/pl172.c | 26 |
1 files changed, 23 insertions, 3 deletions
diff --git a/drivers/memory/pl172.c b/drivers/memory/pl172.c index b2ef6072fbf4..ff57195b4e37 100644 --- a/drivers/memory/pl172.c +++ b/drivers/memory/pl172.c @@ -118,7 +118,8 @@ static int pl172_setup_static(struct amba_device *adev, if (of_property_read_bool(np, "mpmc,extended-wait")) cfg |= MPMC_STATIC_CFG_EW; - if (of_property_read_bool(np, "mpmc,buffer-enable")) + if (amba_part(adev) == 0x172 && + of_property_read_bool(np, "mpmc,buffer-enable")) cfg |= MPMC_STATIC_CFG_B; if (of_property_read_bool(np, "mpmc,write-protect")) @@ -190,6 +191,8 @@ static int pl172_parse_cs_config(struct amba_device *adev, } static const char * const pl172_revisions[] = {"r1", "r2", "r2p3", "r2p4"}; +static const char * const pl175_revisions[] = {"r1"}; +static const char * const pl176_revisions[] = {"r0"}; static int pl172_probe(struct amba_device *adev, const struct amba_id *id) { @@ -202,6 +205,12 @@ static int pl172_probe(struct amba_device *adev, const struct amba_id *id) if (amba_part(adev) == 0x172) { if (amba_rev(adev) < ARRAY_SIZE(pl172_revisions)) rev = pl172_revisions[amba_rev(adev)]; + } else if (amba_part(adev) == 0x175) { + if (amba_rev(adev) < ARRAY_SIZE(pl175_revisions)) + rev = pl175_revisions[amba_rev(adev)]; + } else if (amba_part(adev) == 0x176) { + if (amba_rev(adev) < ARRAY_SIZE(pl176_revisions)) + rev = pl176_revisions[amba_rev(adev)]; } dev_info(dev, "ARM PL%x revision %s\n", amba_part(adev), rev); @@ -278,9 +287,20 @@ static int pl172_remove(struct amba_device *adev) } static const struct amba_id pl172_ids[] = { + /* PrimeCell MPMC PL172, EMC found on NXP LPC18xx and LPC43xx */ { - .id = 0x07341172, - .mask = 0xffffffff, + .id = 0x07041172, + .mask = 0x3f0fffff, + }, + /* PrimeCell MPMC PL175, EMC found on NXP LPC32xx */ + { + .id = 0x07041175, + .mask = 0x3f0fffff, + }, + /* PrimeCell MPMC PL176 */ + { + .id = 0x89041176, + .mask = 0xff0fffff, }, { 0, 0 }, }; |