X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=arch%2Fpowerpc%2Fplatforms%2Fcell%2Fspufs%2Fhw_ops.c;h=ae42e03b8c8687f1b7ff183bc371f33164280e09;hb=97bf2856c6014879bd04983a3e9dfcdac1e7fe85;hp=c8670f519734aab795e40d4fc8b10e247b9dccbb;hpb=16c70f8c1b54b61c3b951b6fb220df250fe09b32;p=linux-2.6.git

diff --git a/arch/powerpc/platforms/cell/spufs/hw_ops.c b/arch/powerpc/platforms/cell/spufs/hw_ops.c
index c8670f519..ae42e03b8 100644
--- a/arch/powerpc/platforms/cell/spufs/hw_ops.c
+++ b/arch/powerpc/platforms/cell/spufs/hw_ops.c
@@ -135,21 +135,11 @@ static int spu_hw_wbox_write(struct spu_context *ctx, u32 data)
 	return ret;
 }
 
-static u32 spu_hw_signal1_read(struct spu_context *ctx)
-{
-	return in_be32(&ctx->spu->problem->signal_notify1);
-}
-
 static void spu_hw_signal1_write(struct spu_context *ctx, u32 data)
 {
 	out_be32(&ctx->spu->problem->signal_notify1, data);
 }
 
-static u32 spu_hw_signal2_read(struct spu_context *ctx)
-{
-	return in_be32(&ctx->spu->problem->signal_notify1);
-}
-
 static void spu_hw_signal2_write(struct spu_context *ctx, u32 data)
 {
 	out_be32(&ctx->spu->problem->signal_notify2, data);
@@ -217,24 +207,45 @@ static char *spu_hw_get_ls(struct spu_context *ctx)
 	return ctx->spu->local_store;
 }
 
-static void spu_hw_runcntl_write(struct spu_context *ctx, u32 val)
+static u32 spu_hw_runcntl_read(struct spu_context *ctx)
 {
-	eieio();
-	out_be32(&ctx->spu->problem->spu_runcntl_RW, val);
+	return in_be32(&ctx->spu->problem->spu_runcntl_RW);
 }
 
-static void spu_hw_runcntl_stop(struct spu_context *ctx)
+static void spu_hw_runcntl_write(struct spu_context *ctx, u32 val)
 {
 	spin_lock_irq(&ctx->spu->register_lock);
-	out_be32(&ctx->spu->problem->spu_runcntl_RW, SPU_RUNCNTL_STOP);
-	while (in_be32(&ctx->spu->problem->spu_status_R) & SPU_STATUS_RUNNING)
-		cpu_relax();
+	if (val & SPU_RUNCNTL_ISOLATE)
+		out_be64(&ctx->spu->priv2->spu_privcntl_RW, 4LL);
+	out_be32(&ctx->spu->problem->spu_runcntl_RW, val);
 	spin_unlock_irq(&ctx->spu->register_lock);
 }
 
+static void spu_hw_master_start(struct spu_context *ctx)
+{
+	struct spu *spu = ctx->spu;
+	u64 sr1;
+
+	spin_lock_irq(&spu->register_lock);
+	sr1 = spu_mfc_sr1_get(spu) | MFC_STATE1_MASTER_RUN_CONTROL_MASK;
+	spu_mfc_sr1_set(spu, sr1);
+	spin_unlock_irq(&spu->register_lock);
+}
+
+static void spu_hw_master_stop(struct spu_context *ctx)
+{
+	struct spu *spu = ctx->spu;
+	u64 sr1;
+
+	spin_lock_irq(&spu->register_lock);
+	sr1 = spu_mfc_sr1_get(spu) & ~MFC_STATE1_MASTER_RUN_CONTROL_MASK;
+	spu_mfc_sr1_set(spu, sr1);
+	spin_unlock_irq(&spu->register_lock);
+}
+
 static int spu_hw_set_mfc_query(struct spu_context * ctx, u32 mask, u32 mode)
 {
-	struct spu_problem *prob = ctx->spu->problem;
+	struct spu_problem __iomem *prob = ctx->spu->problem;
 	int ret;
 
 	spin_lock_irq(&ctx->spu->register_lock);
@@ -263,7 +274,7 @@ static int spu_hw_send_mfc_command(struct spu_context *ctx,
 					struct mfc_dma_command *cmd)
 {
 	u32 status;
-	struct spu_problem *prob = ctx->spu->problem;
+	struct spu_problem __iomem *prob = ctx->spu->problem;
 
 	spin_lock_irq(&ctx->spu->register_lock);
 	out_be32(&prob->mfc_lsa_W, cmd->lsa);
@@ -291,9 +302,7 @@ struct spu_context_ops spu_hw_ops = {
 	.mbox_stat_poll = spu_hw_mbox_stat_poll,
 	.ibox_read = spu_hw_ibox_read,
 	.wbox_write = spu_hw_wbox_write,
-	.signal1_read = spu_hw_signal1_read,
 	.signal1_write = spu_hw_signal1_write,
-	.signal2_read = spu_hw_signal2_read,
 	.signal2_write = spu_hw_signal2_write,
 	.signal1_type_set = spu_hw_signal1_type_set,
 	.signal1_type_get = spu_hw_signal1_type_get,
@@ -303,8 +312,10 @@ struct spu_context_ops spu_hw_ops = {
 	.npc_write = spu_hw_npc_write,
 	.status_read = spu_hw_status_read,
 	.get_ls = spu_hw_get_ls,
+	.runcntl_read = spu_hw_runcntl_read,
 	.runcntl_write = spu_hw_runcntl_write,
-	.runcntl_stop = spu_hw_runcntl_stop,
+	.master_start = spu_hw_master_start,
+	.master_stop = spu_hw_master_stop,
 	.set_mfc_query = spu_hw_set_mfc_query,
 	.read_mfc_tagstatus = spu_hw_read_mfc_tagstatus,
 	.get_mfc_free_elements = spu_hw_get_mfc_free_elements,