Messages in this thread | | | From | "Nori, Sekhar" <> | Date | Wed, 23 Feb 2011 21:00:29 +0530 | Subject | RE: [PATCH 1/1] davinci: changed SRAM allocator to shared ram. |
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Hi Subhasish,
On Fri, Feb 11, 2011 at 19:51:28, Subhasish Ghosh wrote: > This patch modifies the sram allocator to allocate memory > from the DA8XX shared RAM.
It will be nice to know if you tried suspend-to-RAM after this change and found it to be working.
Thanks, Sekhar
> > Signed-off-by: Subhasish Ghosh <subhasish@mistralsolutions.com> > --- > arch/arm/mach-davinci/da850.c | 6 +++--- > arch/arm/mach-davinci/include/mach/da8xx.h | 1 + > 2 files changed, 4 insertions(+), 3 deletions(-) > > diff --git a/arch/arm/mach-davinci/da850.c b/arch/arm/mach-davinci/da850.c > index 3443d97..8a4de97 100644 > --- a/arch/arm/mach-davinci/da850.c > +++ b/arch/arm/mach-davinci/da850.c > @@ -711,7 +711,7 @@ static struct map_desc da850_io_desc[] = { > }, > { > .virtual = SRAM_VIRT, > - .pfn = __phys_to_pfn(DA8XX_ARM_RAM_BASE), > + .pfn = __phys_to_pfn(DA8XX_SHARED_RAM_BASE), > .length = SZ_8K, > .type = MT_DEVICE > }, > @@ -1083,8 +1083,8 @@ static struct davinci_soc_info davinci_soc_info_da850 = { > .gpio_irq = IRQ_DA8XX_GPIO0, > .serial_dev = &da8xx_serial_device, > .emac_pdata = &da8xx_emac_pdata, > - .sram_dma = DA8XX_ARM_RAM_BASE, > - .sram_len = SZ_8K, > + .sram_dma = DA8XX_SHARED_RAM_BASE, > + .sram_len = SZ_128K, > .reset_device = &da8xx_wdt_device, > }; > > diff --git a/arch/arm/mach-davinci/include/mach/da8xx.h b/arch/arm/mach-davinci/include/mach/da8xx.h > index cfcb223..c3c3339 100644 > --- a/arch/arm/mach-davinci/include/mach/da8xx.h > +++ b/arch/arm/mach-davinci/include/mach/da8xx.h > @@ -70,6 +70,7 @@ extern unsigned int da850_max_speed; > #define DA8XX_AEMIF_CTL_BASE 0x68000000 > #define DA8XX_DDR2_CTL_BASE 0xb0000000 > #define DA8XX_ARM_RAM_BASE 0xffff0000 > +#define DA8XX_SHARED_RAM_BASE 0x80000000 > > void __init da830_init(void); > void __init da850_init(void); > -- > 1.7.2.3 > >
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