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authorKuninori Morimoto <kuninori.morimoto.gx@renesas.com>2012-06-25 03:37:00 -0700
committerRafael J. Wysocki <rjw@sisk.pl>2012-06-30 15:07:30 +0200
commitcb76eb812ee03187da3b46e190895b55019d2133 (patch)
tree411d09a625141822a6bca34e753a88a3d03132e9 /arch/arm/mach-shmobile/setup-r8a7740.c
parent643c3307bbbe7e80c6693376137971fbdcbe1c82 (diff)
ARM: shmobile: r8a7740: add DMAEngine support for SDHI
Current shdmac can support SDHI DMAC on r8a7740. This support reduce CPU duty when SDHI access. Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> Acked-by: Magnus Damm <damm@opensource.se> Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
Diffstat (limited to 'arch/arm/mach-shmobile/setup-r8a7740.c')
-rw-r--r--arch/arm/mach-shmobile/setup-r8a7740.c30
1 files changed, 30 insertions, 0 deletions
diff --git a/arch/arm/mach-shmobile/setup-r8a7740.c b/arch/arm/mach-shmobile/setup-r8a7740.c
index 516a7ec5562..320c43af861 100644
--- a/arch/arm/mach-shmobile/setup-r8a7740.c
+++ b/arch/arm/mach-shmobile/setup-r8a7740.c
@@ -306,6 +306,36 @@ enum {
static const struct sh_dmae_slave_config r8a7740_dmae_slaves[] = {
{
+ .slave_id = SHDMA_SLAVE_SDHI0_TX,
+ .addr = 0xe6850030,
+ .chcr = CHCR_TX(XMIT_SZ_16BIT),
+ .mid_rid = 0xc1,
+ }, {
+ .slave_id = SHDMA_SLAVE_SDHI0_RX,
+ .addr = 0xe6850030,
+ .chcr = CHCR_RX(XMIT_SZ_16BIT),
+ .mid_rid = 0xc2,
+ }, {
+ .slave_id = SHDMA_SLAVE_SDHI1_TX,
+ .addr = 0xe6860030,
+ .chcr = CHCR_TX(XMIT_SZ_16BIT),
+ .mid_rid = 0xc9,
+ }, {
+ .slave_id = SHDMA_SLAVE_SDHI1_RX,
+ .addr = 0xe6860030,
+ .chcr = CHCR_RX(XMIT_SZ_16BIT),
+ .mid_rid = 0xca,
+ }, {
+ .slave_id = SHDMA_SLAVE_SDHI2_TX,
+ .addr = 0xe6870030,
+ .chcr = CHCR_TX(XMIT_SZ_16BIT),
+ .mid_rid = 0xcd,
+ }, {
+ .slave_id = SHDMA_SLAVE_SDHI2_RX,
+ .addr = 0xe6870030,
+ .chcr = CHCR_RX(XMIT_SZ_16BIT),
+ .mid_rid = 0xce,
+ }, {
.slave_id = SHDMA_SLAVE_FSIA_TX,
.addr = 0xfe1f0024,
.chcr = CHCR_TX(XMIT_SZ_32BIT),