diff options
| author | Tero Kristo <tero.kristo@nokia.com> | 2008-10-13 12:15:00 +0200 |
|---|---|---|
| committer | Kevin Hilman <khilman@deeprootsystems.com> | 2009-11-11 23:42:25 +0100 |
| commit | 27d59a4a2def42307349079f2e3538d96934c379 (patch) | |
| tree | d581f0960d280dbe0f8c8ee03e111cadbfcf59db /arch/arm/mach-omap2/control.c | |
| parent | OMAP: PM: DMA context save/restore for off-mode support (diff) | |
| download | linux-27d59a4a2def42307349079f2e3538d96934c379.tar.xz linux-27d59a4a2def42307349079f2e3538d96934c379.zip | |
OMAP3 PM: off-mode support for HS/EMU devices
For HS/EMU devices, some additional resources need to be
saved/restored for off-mode support. Namely, saving the secure RAM
and a pointer to it in the scratchpad.
Signed-off-by: Tero Kristo <tero.kristo@nokia.com>
Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
Diffstat (limited to 'arch/arm/mach-omap2/control.c')
| -rw-r--r-- | arch/arm/mach-omap2/control.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/arch/arm/mach-omap2/control.c b/arch/arm/mach-omap2/control.c index 3ea417d7a1b5..b84cff7087b0 100644 --- a/arch/arm/mach-omap2/control.c +++ b/arch/arm/mach-omap2/control.c @@ -85,6 +85,8 @@ struct omap3_scratchpad_sdrc_block { u32 block_size; }; +void *omap3_secure_ram_storage; + /* * This is used to store ARM registers in SDRAM before attempting * an MPU OFF. The save and restore happens from the SRAM sleep code. @@ -209,7 +211,11 @@ void omap3_save_scratchpad_contents(void) scratchpad_contents.boot_config_ptr = 0x0; scratchpad_contents.public_restore_ptr = virt_to_phys(get_restore_pointer()); - scratchpad_contents.secure_ram_restore_ptr = 0x0; + if (omap_type() == OMAP2_DEVICE_TYPE_GP) + scratchpad_contents.secure_ram_restore_ptr = 0x0; + else + scratchpad_contents.secure_ram_restore_ptr = + (u32) __pa(omap3_secure_ram_storage); scratchpad_contents.sdrc_module_semaphore = 0x0; scratchpad_contents.prcm_block_offset = 0x2C; scratchpad_contents.sdrc_block_offset = 0x64; |