diff options
author | Linus Torvalds <torvalds@woody.osdl.org> | 2006-12-04 19:22:33 -0800 |
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committer | Linus Torvalds <torvalds@woody.osdl.org> | 2006-12-04 19:22:33 -0800 |
commit | 15a4cb9c25df05a5d4844e80a1aea83d66165868 (patch) | |
tree | bcb4f7c6e84f501ee6ce8c7a740cc7c4ec92447d /arch/powerpc/platforms/cell/spufs/hw_ops.c | |
parent | ff51a98799931256b555446b2f5675db08de6229 (diff) | |
parent | d8594d639135b500bf6010f981ea854092d54030 (diff) |
Merge master.kernel.org:/pub/scm/linux/kernel/git/paulus/powerpc
* master.kernel.org:/pub/scm/linux/kernel/git/paulus/powerpc: (194 commits)
[POWERPC] Add missing EXPORTS for mpc52xx support
[POWERPC] Remove obsolete PPC_52xx and update CLASSIC32 comment
[POWERPC] ps3: add a default zImage target
[POWERPC] Add of_platform_bus support to mpc52xx psc uart driver
[POWERPC] typo fix and whitespace cleanup on mpc52xx-uart driver
[POWERPC] Fix debug printks for 32-bit resources in the PCI code
[POWERPC] Replace kmalloc+memset with kzalloc
[POWERPC] Linkstation / kurobox support
[POWERPC] Add the e300c3 core to the CPU table.
[POWERPC] ppc: m48t35 add missing bracket
[POWERPC] iSeries: don't build head_64.o unnecessarily
[POWERPC] iSeries: stop dt_mod.o being rebuilt unnecessarily
[POWERPC] Fix cputable.h for combined build
[POWERPC] Allow CONFIG_BOOTX_TEXT on iSeries
[POWERPC] Allow xmon to build on legacy iSeries
[POWERPC] Change ppc64_defconfig to use AUTOFS_V4 not V3
[POWERPC] Tell firmware we can handle POWER6 compatible mode
[POWERPC] Clean images in arch/powerpc/boot
[POWERPC] Fix OF pci flags parsing
[POWERPC] defconfig for lite5200 board
...
Diffstat (limited to 'arch/powerpc/platforms/cell/spufs/hw_ops.c')
-rw-r--r-- | arch/powerpc/platforms/cell/spufs/hw_ops.c | 51 |
1 files changed, 31 insertions, 20 deletions
diff --git a/arch/powerpc/platforms/cell/spufs/hw_ops.c b/arch/powerpc/platforms/cell/spufs/hw_ops.c index d805ffed892..ae42e03b8c8 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_notify2); -} - static void spu_hw_signal2_write(struct spu_context *ctx, u32 data) { out_be32(&ctx->spu->problem->signal_notify2, data); @@ -217,21 +207,42 @@ 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 __iomem *prob = ctx->spu->problem; @@ -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, |