ARM: mach-shmobile: mackerel: Add FSI DMAEngine support
We need undocumented address to use DMA.
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Tested-by: Simon Horman <horms@verge.net.au>
Acked-by: Magnus Damm <damm@opensource.se>
Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
diff --git a/arch/arm/mach-shmobile/board-mackerel.c b/arch/arm/mach-shmobile/board-mackerel.c
index 8c6202b..75b2284 100644
--- a/arch/arm/mach-shmobile/board-mackerel.c
+++ b/arch/arm/mach-shmobile/board-mackerel.c
@@ -908,6 +908,8 @@
static struct sh_fsi_platform_info fsi_info = {
.port_a = {
.flags = SH_FSI_BRS_INV,
+ .tx_id = SHDMA_SLAVE_FSIA_TX,
+ .rx_id = SHDMA_SLAVE_FSIA_RX,
},
.port_b = {
.flags = SH_FSI_BRS_INV |
@@ -920,9 +922,11 @@
static struct resource fsi_resources[] = {
[0] = {
+ /* we need 0xFE1F0000 to access DMA
+ * instead of 0xFE3C0000 */
.name = "FSI",
- .start = 0xFE3C0000,
- .end = 0xFE3C0400 - 1,
+ .start = 0xFE1F0000,
+ .end = 0xFE1F0400 - 1,
.flags = IORESOURCE_MEM,
},
[1] = {