ARM: davinci: da850: changed SRAM allocator to shared ram.

This patch modifies the sram allocator to allocate memory
from the DA8XX shared RAM.

Regression tested suspend/resume on AM180x EVM.

Signed-off-by: Subhasish Ghosh <subhasish@mistralsolutions.com>
[rebased onto consolidated SRAM patches]
Signed-off-by: Ben Gardiner <bengardiner@nanometrics.ca>
[rebased to mainline as consolidated SRAM patches were dropped]
Signed-off-by: Matt Porter <mporter@ti.com>
Signed-off-by: Sekhar Nori <nsekhar@ti.com>

diff --git a/arch/arm/mach-davinci/da850.c b/arch/arm/mach-davinci/da850.c
index ffc84f5..41d2cab 100644 (file)
--- a/arch/arm/mach-davinci/da850.c
+++ b/arch/arm/mach-davinci/da850.c
@@ -1233,8 +1233,8 @@ 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,
 };
 
 void __init da850_init(void)

diff --git a/arch/arm/mach-davinci/include/mach/da8xx.h b/arch/arm/mach-davinci/include/mach/da8xx.h
index aaccdc4..97bc700 100644 (file)
--- a/arch/arm/mach-davinci/include/mach/da8xx.h
+++ b/arch/arm/mach-davinci/include/mach/da8xx.h
@@ -72,6 +72,7 @@ extern unsigned int da850_max_speed;
 #define DA8XX_AEMIF_CS2_BASE   0x60000000
 #define DA8XX_AEMIF_CS3_BASE   0x62000000
 #define DA8XX_AEMIF_CTL_BASE   0x68000000
+#define DA8XX_SHARED_RAM_BASE  0x80000000
 #define DA8XX_ARM_RAM_BASE     0xffff0000
 
 void __init da830_init(void);