[PATCH 1/1] davinci: changed SRAM allocator to shared ram.
From: Nori, Sekhar <hidden>
Date: 2011-02-23 15:30:49
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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
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Signed-off-by: Subhasish Ghosh <redacted> --- 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