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author | Santosh Shilimkar <santosh.shilimkar@ti.com> | 2013-11-23 16:58:03 -0500 |
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committer | Santosh Shilimkar <santosh.shilimkar@ti.com> | 2013-12-16 16:03:36 -0500 |
commit | df595a9d70fc3d1f4435b4a643bfaab9913c0ebd (patch) | |
tree | 8f9570876b45f49553935f95dcb38a439b9f1094 /arch/arm/mach-keystone/keystone.c | |
parent | 89b3feefa2e0ca2ba09e637a8a23838e9561c3a2 (diff) |
ARM: keystone: enable DMA zone for LPAE
Keystone II peripheral devices support 32-bit DMA and hence can access only
first 2GB of the memory address space. So set the platform dma_zone_size
to handle that case.
Signed-off-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
Diffstat (limited to 'arch/arm/mach-keystone/keystone.c')
-rw-r--r-- | arch/arm/mach-keystone/keystone.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/arch/arm/mach-keystone/keystone.c b/arch/arm/mach-keystone/keystone.c index b661c5c2870a..2fe4dd04996c 100644 --- a/arch/arm/mach-keystone/keystone.c +++ b/arch/arm/mach-keystone/keystone.c | |||
@@ -68,6 +68,9 @@ void keystone_restart(enum reboot_mode mode, const char *cmd) | |||
68 | } | 68 | } |
69 | 69 | ||
70 | DT_MACHINE_START(KEYSTONE, "Keystone") | 70 | DT_MACHINE_START(KEYSTONE, "Keystone") |
71 | #if defined(CONFIG_ZONE_DMA) && defined(CONFIG_ARM_LPAE) | ||
72 | .dma_zone_size = SZ_2G, | ||
73 | #endif | ||
71 | .smp = smp_ops(keystone_smp_ops), | 74 | .smp = smp_ops(keystone_smp_ops), |
72 | .init_machine = keystone_init, | 75 | .init_machine = keystone_init, |
73 | .dt_compat = keystone_match, | 76 | .dt_compat = keystone_match, |