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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>
This commit is contained in:
Kuninori Morimoto 2012-04-01 18:40:14 -07:00 committed by Rafael J. Wysocki
parent c8241085e8
commit c650a1f45c
1 changed files with 6 additions and 2 deletions
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8
arch/arm/mach-shmobile/board-mackerel.c
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@ -908,6 +908,8 @@ static int fsi_b_set_rate(struct device *dev, int rate, int enable)
static struct sh_fsi_platform_info fsi_info = { static struct sh_fsi_platform_info fsi_info = {
.port_a = { .port_a = {
.flags = SH_FSI_BRS_INV, .flags = SH_FSI_BRS_INV,
.tx_id = SHDMA_SLAVE_FSIA_TX,
.rx_id = SHDMA_SLAVE_FSIA_RX,
}, },
.port_b = { .port_b = {
.flags = SH_FSI_BRS_INV | .flags = SH_FSI_BRS_INV |
@ -920,9 +922,11 @@ static struct sh_fsi_platform_info fsi_info = {
static struct resource fsi_resources[] = { static struct resource fsi_resources[] = {
[0] = { [0] = {
/* we need 0xFE1F0000 to access DMA
* instead of 0xFE3C0000 */
.name = "FSI", .name = "FSI",
.start = 0xFE3C0000, .start = 0xFE1F0000,
.end = 0xFE3C0400 - 1, .end = 0xFE1F0400 - 1,
.flags = IORESOURCE_MEM, .flags = IORESOURCE_MEM,
}, },
[1] = { [1] = {