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bus: mvebu-mbus: Remove coherency attribute 

Marvell Armada 370 and XP have some coherency fabric. We are not
interested in using it, so remove checking for it in mbus driver.

Signed-off-by: Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
This commit is contained in:
Sebastian Hesselbarth 2015-04-20 22:11:17 +02:00 committed by Sascha Hauer
parent 301765846b
commit 40827c029f
1 changed files with 0 additions and 6 deletions
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6
drivers/bus/mvebu-mbus.c
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@ -109,7 +109,6 @@ struct mvebu_mbus_state {
struct resource pcie_mem_aperture;
struct resource pcie_io_aperture;
const struct mvebu_mbus_soc_data *soc;
int hw_io_coherency;
};
static struct mvebu_mbus_state mbus_state;
@ -361,8 +360,6 @@ static void mvebu_mbus_default_setup_cpu_target(struct mvebu_mbus_state *mbus)
w = &mbus_dram_info.cs[cs++];
w->cs_index = i;
w->mbus_attr = 0xf & ~(1 << i);
if (mbus->hw_io_coherency)
w->mbus_attr |= ATTR_HW_COHERENCY;
w->base = base & DDR_BASE_CS_LOW_MASK;
w->size = (size | ~DDR_SIZE_MASK) + 1;
}
@ -719,9 +716,6 @@ static int mvebu_mbus_probe(struct device_d *dev)
mvebu_mbus_get_pcie_resources(np, &mbus_state.pcie_mem_aperture,
&mbus_state.pcie_io_aperture);
if (of_find_compatible_node(NULL, NULL, "marvell,coherency-fabric"))
mbus_state.hw_io_coherency = 1;
for (win = 0; win < mbus_state.soc->num_wins; win++)
mvebu_mbus_disable_window(&mbus_state, win);