diff options
| author | Moran Raviv <moranr@marvell.com> | 2012-07-15 13:37:02 +0300 |
|---|---|---|
| committer | Lubomir Rintel <lkundrak@v3.sk> | 2019-07-22 19:39:59 +0200 |
| commit | 1cccc9340b6b517f098068783d9621a274758ecd (patch) | |
| tree | 6bb64334a79c040fae49698b4bc482dcd9e16e4c | |
| parent | 90d58294022bd9692bd341fd94db1cf0c398c325 (diff) | |
| download | linux-mmp3-dell-ariel-1cccc9340b6b517f098068783d9621a274758ecd.tar.gz | |
ARM: pxa978: set HF DDR to 800MTPS
When COMM side request HF DDR, disable PP1,2,3
so PP will be PP4 and up, to allow DDR=800MTPS.
This is according to PP table 5.1
Change-Id: I5a422e1a3b8763d1912a1850cd85295d642f2212
Signed-off-by: Moran Raviv <moranr@marvell.com>
| -rw-r--r-- | drivers/char/pxa9xx_acipc.c | 44 |
1 files changed, 22 insertions, 22 deletions
diff --git a/drivers/char/pxa9xx_acipc.c b/drivers/char/pxa9xx_acipc.c index 4686c4a03c7218..84fae050086f7b 100644 --- a/drivers/char/pxa9xx_acipc.c +++ b/drivers/char/pxa9xx_acipc.c @@ -484,17 +484,18 @@ struct work_struct acipc_ddr_hi_freq_acquire, acipc_ddr_hi_freq_release; static void acipc_ddr_hi_freq_acquire_handler(struct work_struct *work) { unsigned long flags; - if (cpu_is_pxa95x()) { - dvfm_enable_op_name("156M_HF", \ - acipc_lock.dev_idx); - /* 208MHz and 208+HF should be - reconsidered by System eng */ - /*dvfm_enable_op_name("208M_HF",\ - acipc_lock.dev_idx);*/ - /*dvfm_disable_op_name("208M", \ - acipc_lock.dev_idx);*/ - } - dvfm_disable_op_name("156M", acipc_lock.dev_idx); + + if (cpu_is_pxa955() || cpu_is_pxa968()) { + dvfm_enable_op_name("156M_HF", acipc_lock.dev_idx); + dvfm_disable_op_name("156M", acipc_lock.dev_idx); + } else if (cpu_is_pxa978()) { + /* allowing 728M and up for DDR = 800MTPS */ + dvfm_disable_op_name("416M", acipc_lock.dev_idx); + dvfm_disable_op_name("312M", acipc_lock.dev_idx); + dvfm_disable_op_name("156M", acipc_lock.dev_idx); + } else + BUG_ON(1); + /* MIPSRAM and ACIPC event should be atomic*/ local_irq_save(flags); acipc_event_set(ACIPC_DDR_260_READY_ACK); @@ -510,17 +511,16 @@ static void acipc_ddr_hi_freq_acquire_handler(struct work_struct *work) static void acipc_ddr_hi_freq_release_handler(struct work_struct *work) { - dvfm_enable_op_name("156M", acipc_lock.dev_idx); - if (cpu_is_pxa95x()) { - /* 208MHz and 208+HF should be - reconsidered by System eng */ - /*dvfm_enable_op_name("208M", \ - acipc_lock.dev_idx); - dvfm_disable_op_name("208M_HF", \ - acipc_lock.dev_idx);*/ - dvfm_disable_op_name("156M_HF", \ - acipc_lock.dev_idx); - } + if (cpu_is_pxa955() || cpu_is_pxa968()) { + dvfm_enable_op_name("156M", acipc_lock.dev_idx); + dvfm_disable_op_name("156M_HF", acipc_lock.dev_idx); + } else if (cpu_is_pxa978()) { + dvfm_enable_op_name("156M", acipc_lock.dev_idx); + dvfm_enable_op_name("312M", acipc_lock.dev_idx); + dvfm_enable_op_name("416M", acipc_lock.dev_idx); + } else + BUG_ON(1); + MIPS_RAM_ADD_PM_TRACE(ACIPC_HF_DDR_REL_HANDHELD_MIPS_RAM); } |